node-red-contrib-polymer
Version:
Polymer based dashboard UI for Node-RED
27,733 lines • 878 kB
HTML
<!DOCTYPE html><html lang="en"><head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, minimum-scale=1, initial-scale=1, user-scalable=yes">
<title>Node-RED Polymer</title>
<meta name="description" content="Node-RED Polymer">
<!--<link rel="icon" href="/images/favicon.ico">-->
<!-- See https://goo.gl/OOhYW5
<link rel="manifest" href="/manifest.json">
<meta name="theme-color" content="#3f51b5">
-->
<!-- Add to homescreen for Chrome on Android. Fallback for manifest.json -->
<meta name="mobile-web-app-capable" content="yes">
<meta name="application-name" content="Node-RED Polymer">
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<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
<meta name="apple-mobile-web-app-title" content="Node-RED Polymer">
<!-- Homescreen icons
<link rel="apple-touch-icon" href="/images/manifest/icon-48x48.png">
<link rel="apple-touch-icon" sizes="72x72" href="/images/manifest/icon-72x72.png">
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<link rel="apple-touch-icon" sizes="192x192" href="/images/manifest/icon-192x192.png">
-->
<style>
body {
margin: 0;
font-family: sans-serif;
background-color: #f1f1f1;
}
div.loader {
width: 100%;
height: 100%;
position: absolute;
left: 0;
top: 0;
z-index: 10000;
background-color: grey;
}
paper-card {
width: calc(100% - 6px);
padding: 3px;
margin: 3px;
}
.card-content {
width: calc(100% - 52px);
}
i.menu-icon {
width: 21px;
padding-right: 5px;
}
node-red-polymer app-toolbar {
background-color: #3f51b5;
color: #ddd;
}
.node-red-widget {
padding: 5px;
}
</style>
<link rel="stylesheet" href="bower_components/components-font-awesome/css/font-awesome.min.css">
<script src="socket.io/socket.io.js"></script>
<script src="bower_components/async/dist/async.min.js"></script>
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<body><div hidden="" by-vulcanize=""><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
@license
Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
@license
Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
@license
Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
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if (info && !info.readOnly) {
var v = this.getAttribute(attribute);
model[property] = this.deserialize(v, info.type);
}
}
},
_serializing: false,
reflectPropertyToAttribute: function (property, attribute, value) {
this._serializing = true;
value = value === undefined ? this[property] : value;
this.serializeValueToAttribute(value, attribute || Polymer.CaseMap.camelToDashCase(property));
this._serializing = false;
},
serializeValueToAttribute: function (value, attribute, node) {
var str = this.serialize(value);
node = node || this;
if (str === undefined) {
node.removeAttribute(attribute);
} else {
node.setAttribute(attribute, str);
}
},
deserialize: function (value, type) {
switch (type) {
case Number:
value = Number(value);
break;
case Boolean:
value = value != null;
break;
case Object:
try {
value = JSON.parse(value);
} catch (x) {
}
break;
case Array:
try {
value = JSON.parse(value);
} catch (x) {
value = null;
console.warn('Polymer::Attributes: couldn`t decode Array as JSON');
}
break;
case Date:
value = new Date(value);
break;
case String:
default:
break;
}
return value;
},
serialize: function (value) {
switch (typeof value) {
case 'boolean':
return value ? '' : undefined;
case 'object':
if (value instanceof Date) {
return value.toString();
} else if (value) {
try {
return JSON.stringify(value);
} catch (x) {
return '';
}
}
default:
return value != null ? value : undefined;
}
}
});Polymer.version = "1.8.0";Polymer.Base._addFeature({
_registerFeatures: function () {
this._prepIs();
this._prepBehaviors();
this._prepConstructor();
this._prepPropertyInfo();
},
_prepBehavior: function (b) {
this._addHostAttributes(b.hostAttributes);
},
_marshalBehavior: function (b) {
},
_initFeatures: function () {
this._marshalHostAttributes();
this._marshalBehaviors();
}
});</script>
<script>Polymer.Base._addFeature({
_prepTemplate: function () {
if (this._template === undefined) {
this._template = Polymer.DomModule.import(this.is, 'template');
}
if (this._template && this._template.hasAttribute('is')) {
this._warn(this._logf('_prepTemplate', 'top-level Polymer template ' + 'must not be a type-extension, found', this._template, 'Move inside simple <template>.'));
}
if (this._template && !this._template.content && window.HTMLTemplateElement && HTMLTemplateElement.decorate) {
HTMLTemplateElement.decorate(this._template);
}
},
_stampTemplate: function () {
if (this._template) {
this.root = this.instanceTemplate(this._template);
}
},
instanceTemplate: function (template) {
var dom = document.importNode(template._content || template.content, true);
return dom;
}
});(function () {
var baseAttachedCallback = Polymer.Base.attachedCallback;
Polymer.Base._addFeature({
_hostStack: [],
ready: function () {
},
_registerHost: function (host) {
this.dataHost = host = host || Polymer.Base._hostStack[Polymer.Base._hostStack.length - 1];
if (host && host._clients) {
host._clients.push(this);
}
this._clients = null;
this._clientsReadied = false;
},
_beginHosting: function () {
Polymer.Base._hostStack.push(this);
if (!this._clients) {
this._clients = [];
}
},
_endHosting: function () {
Polymer.Base._hostStack.pop();
},
_tryReady: function () {
this._readied = false;
if (this._canReady()) {
this._ready();
}
},
_canReady: function () {
return !this.dataHost || this.dataHost._clientsReadied;
},
_ready: function () {
this._beforeClientsReady();
if (this._template) {
this._setupRoot();
this._readyClients();
}
this._clientsReadied = true;
this._clients = null;
this._afterClientsReady();
this._readySelf();
},
_readyClients: function () {
this._beginDistribute();
var c$ = this._clients;
if (c$) {
for (var i = 0, l = c$.length, c; i < l && (c = c$[i]); i++) {
c._ready();
}
}
this._finishDistribute();
},
_readySelf: function () {
for (var i = 0, b; i < this.behaviors.length; i++) {
b = this.behaviors[i];
if (b.ready) {
b.ready.call(this);
}
}
if (this.ready) {
this.ready();
}
this._readied = true;
if (this._attachedPending) {
this._attachedPending = false;
this.attachedCallback();
}
},
_beforeClientsReady: function () {
},
_afterClientsReady: function () {
},
_beforeAttached: function () {
},
attachedCallback: function () {
if (this._readied) {
this._beforeAttached();
baseAttachedCallback.call(this);
} else {
this._attachedPending = true;
}
}
});
}());Polymer.ArraySplice = function () {
function newSplice(index, removed, addedCount) {
return {
index: index,
removed: removed,
addedCount: addedCount
};
}
var EDIT_LEAVE = 0;
var EDIT_UPDATE = 1;
var EDIT_ADD = 2;
var EDIT_DELETE = 3;
function ArraySplice() {
}
ArraySplice.prototype = {
calcEditDistances: function (current, currentStart, currentEnd, old, oldStart, oldEnd) {
var rowCount = oldEnd - oldStart + 1;
var columnCount = currentEnd - currentStart + 1;
var distances = new Array(rowCount);
for (var i = 0; i < rowCount; i++) {
distances[i] = new Array(columnCount);
distances[i][0] = i;
}
for (var j = 0; j < columnCount; j++)
distances[0][j] = j;
for (i = 1; i < rowCount; i++) {
for (j = 1; j < columnCount; j++) {
if (this.equals(current[currentStart + j - 1], old[oldStart + i - 1]))
distances[i][j] = distances[i - 1][j - 1];
else {
var north = distances[i - 1][j] + 1;
var west = distances[i][j - 1] + 1;
distances[i][j] = north < west ? north : west;
}
}
}
return distances;
},
spliceOperationsFromEditDistances: function (distances) {
var i = distances.length - 1;
var j = distances[0].length - 1;
var current = distances[i][j];
var edits = [];
while (i > 0 || j > 0) {
if (i == 0) {
edits.push(EDIT_ADD);
j--;
continue;
}
if (j == 0) {
edits.push(EDIT_DELETE);
i--;
continue;
}
var northWest = distances[i - 1][j - 1];
var west = distances[i - 1][j];
var north = distances[i][j - 1];
var min;
if (west < north)
min = west < northWest ? west : northWest;
else
min = north < northWest ? north : northWest;
if (min == northWest) {
if (northWest == current) {
edits.push(EDIT_LEAVE);
} else {
edits.push(EDIT_UPDATE);
current = northWest;
}
i--;
j--;
} else if (min == west) {
edits.push(EDIT_DELETE);
i--;
current = west;
} else {
edits.push(EDIT_ADD);
j--;
current = north;
}
}
edits.reverse();
return edits;
},
calcSplices: function (current, currentStart, currentEnd, old, oldStart, oldEnd) {
var prefixCount = 0;
var suffixCount = 0;
var minLength = Math.min(currentEnd - currentStart, oldEnd - oldStart);
if (currentStart == 0 && oldStart == 0)
prefixCount = this.sharedPrefix(current, old, minLength);
if (currentEnd == current.length && oldEnd == old.length)
suffixCount = this.sharedSuffix(current, old, minLength - prefixCount);
currentStart += prefixCount;
oldStart += prefixCount;
currentEnd -= suffixCount;
oldEnd -= suffixCount;
if (currentEnd - currentStart == 0 && oldEnd - oldStart == 0)
return [];
if (currentStart == currentEnd) {
var splice = newSplice(currentStart, [], 0);
while (oldStart < oldEnd)
splice.removed.push(old[oldStart++]);
return [splice];
} else if (oldStart == oldEnd)
return [newSplice(currentStart, [], currentEnd - currentStart)];
var ops = this.spliceOperationsFromEditDistances(this.calcEditDistances(current, currentStart, currentEnd, old, oldStart, oldEnd));
splice = undefined;
var splices = [];
var index = currentStart;
var oldIndex = oldStart;
for (var i = 0; i < ops.length; i++) {
switch (ops[i]) {
case EDIT_LEAVE:
if (splice) {
splices.push(splice);
splice = undefined;
}
index++;
oldIndex++;
break;
case EDIT_UPDATE:
if (!splice)
splice = newSplice(index, [], 0);
splice.addedCount++;
index++;
splice.removed.push(old[oldIndex]);
oldIndex++;
break;
case EDIT_ADD:
if (!splice)
splice = newSplice(index, [], 0);
splice.addedCount++;
index++;
break;
case EDIT_DELETE:
if (!splice)
splice = newSplice(index, [], 0);
splice.removed.push(old[oldIndex]);
oldIndex++;
break;
}
}
if (splice) {
splices.push(splice);
}
return splices;
},
sharedPrefix: function (current, old, searchLength) {
for (var i = 0; i < searchLength; i++)
if (!this.equals(current[i], old[i]))
return i;
return searchLength;
},
sharedSuffix: function (current, old, searchLength) {
var index1 = current.length;
var index2 = old.length;
var count = 0;
while (count < searchLength && this.equals(current[--index1], old[--index2]))
count++;
return count;
},
calculateSplices: function (current, previous) {
return this.calcSplices(current, 0, current.length, previous, 0, previous.length);
},
equals: function (currentValue, previousValue) {
return currentValue === previousValue;
}
};
return new ArraySplice();
}();Polymer.domInnerHTML = function () {
var escapeAttrRegExp = /[&\u00A0"]/g;
var escapeDataRegExp = /[&\u00A0<>]/g;
function escapeReplace(c) {
switch (c) {
case '&':
return '&';
case '<':
return '<';
case '>':
return '>';
case '"':
return '"';
case '\xA0':
return ' ';
}
}
function escapeAttr(s) {
return s.replace(escapeAttrRegExp, escapeReplace);
}
function escapeData(s) {
return s.replace(escapeDataRegExp, escapeReplace);
}
function makeSet(arr) {
var set = {};
for (var i = 0; i < arr.length; i++) {
set[arr[i]] = true;
}
return set;
}
var voidElements = makeSet([
'area',
'base',
'br',
'col',
'command',
'embed',
'hr',
'img',
'input',
'keygen',
'link',
'meta',
'param',
'source',
'track',
'wbr'
]);
var plaintextParents = makeSet([
'style',
'script',
'xmp',
'iframe',
'noembed',
'noframes',
'plaintext',
'noscript'
]);
function getOuterHTML(node, parentNode, composed) {
switch (node.nodeType) {
case Node.ELEMENT_NODE:
var tagName = node.localName;
var s = '<' + tagName;
var attrs = node.attributes;
for (var i = 0, attr; attr = attrs[i]; i++) {
s += ' ' + attr.name + '="' + escapeAttr(attr.value) + '"';
}
s += '>';
if (voidElements[tagName]) {
return s;
}
return s + getInnerHTML(node, composed) + '</' + tagName + '>';
case Node.TEXT_NODE:
var data = node.data;
if (parentNode && plaintextParents[parentNode.localName]) {
return data;
}
return escapeData(data);
case Node.COMMENT_NODE:
return '<!--' + node.data + '-->';
default:
console.error(node);
throw new Error('not implemented');
}
}
function getInnerHTML(node, composed) {
if (node instanceof HTMLTemplateElement)
node = node.content;
var s = '';
var c$ = Polymer.dom(node).childNodes;
for (var i = 0, l = c$.length, child; i < l && (child = c$[i]); i++) {
s += getOuterHTML(child, node, composed);
}
return s;
}
return { getInnerHTML: getInnerHTML };
}();(function () {
'use strict';
var nativeInsertBefore = Element.prototype.insertBefore;
var nativeAppendChild = Element.prototype.appendChild;
var nativeRemoveChild = Element.prototype.removeChild;
Polymer.TreeApi = {
arrayCopyChildNodes: function (parent) {
var copy = [], i = 0;
for (var n = parent.firstChild; n; n = n.nextSibling) {
copy[i++] = n;
}
return copy;
},
arrayCopyChildren: function (parent) {
var copy = [], i = 0;
for (var n = parent.firstElementChild; n; n = n.nextElementSibling) {
copy[i++] = n;
}
return copy;
},
arrayCopy: function (a$) {
var l = a$.length;
var copy = new Array(l);
for (var i = 0; i < l; i++) {
copy[i] = a$[i];
}
return copy;
}
};
Polymer.TreeApi.Logical = {
hasParentNode: function (node) {
return Boolean(node.__dom && node.__dom.parentNode);
},
hasChildNodes: function (node) {
return Boolean(node.__dom && node.__dom.childNodes !== undefined);
},
getChildNodes: function (node) {
return this.hasChildNodes(node) ? this._getChildNodes(node) : node.childNodes;
},
_getChildNodes: function (node) {
if (!node.__dom.childNodes) {
node.__dom.childNodes = [];
for (var n = node.__dom.firstChild; n; n = n.__dom.nextSibling) {
node.__dom.childNodes.push(n);
}
}
return node.__dom.childNodes;
},
getParentNode: function (node) {
return node.__dom && node.__dom.parentNode !== undefined ? node.__dom.parentNode : node.parentNode;
},
getFirstChild: function (node) {
return node.__dom && node.__dom.firstChild !== undefined ? node.__dom.firstChild : node.firstChild;
},
getLastChild: function (node) {
return node.__dom && node.__dom.lastChild !== undefined ? node.__dom.lastChild : node.lastChild;
},
getNextSibling: function (node) {
return node.__dom && node.__dom.nextSibling !== undefined ? node.__dom.nextSibling : node.nextSibling;
},
getPreviousSibling: function (node) {
return node.__dom && node.__dom.previousSibling !== undefined ? node.__dom.previousSibling : node.previousSibling;
},
getFirstElementChild: function (node) {
return node.__dom && node.__dom.firstChild !== undefined ? this._getFirstElementChild(node) : node.firstElementChild;
},
_getFirstElementChild: function (node) {
var n = node.__dom.firstChild;
while (n && n.nodeType !== Node.ELEMENT_NODE) {
n = n.__dom.nextSibling;
}
return n;
},
getLastElementChild: function (node) {
return node.__dom && node.__dom.lastChild !== undefined ? this._getLastElementChild(node) : node.lastElementChild;
},
_getLastElementChild: function (node) {
var n = node.__dom.lastChild;
while (n && n.nodeType !== Node.ELEMENT_NODE) {
n = n.__dom.previousSibling;
}
return n;
},
getNextElementSibling: function (node) {
return node.__dom && node.__dom.nextSibling !== undefined ? this._getNextElementSibling(node) : node.nextElementSibling;
},
_getNextElementSibling: function (node) {
var n = node.__dom.nextSibling;
while (n && n.nodeType !== Node.ELEMENT_NODE) {
n = n.__dom.nextSibling;
}
return n;
},
getPreviousElementSibling: function (node) {
return node.__dom && node.__dom.previousSibling !== undefined ? this._getPreviousElementSibling(node) : node.previousElementSibling;
},
_getPreviousElementSibling: function (node) {
var n = node.__dom.previousSibling;
while (n && n.nodeType !== Node.ELEMENT_NODE) {
n = n.__dom.previousSibling;
}
return n;
},
saveChildNodes: function (node) {
if (!this.hasChildNodes(node)) {
node.__dom = node.__dom || {};
node.__dom.firstChild = node.firstChild;
node.__dom.lastChild = node.lastChild;
node.__dom.childNodes = [];
for (var n = node.firstChild; n; n = n.nextSibling) {
n.__dom = n.__dom || {};
n.__dom.parentNode = node;
node.__dom.childNodes.push(n);
n.__dom.nextSibling = n.nextSibling;
n.__dom.previousSibling = n.previousSibling;
}
}
},
recordInsertBefore: function (node, container, ref_node) {
container.__dom.childNodes = null;
if (node.nodeType === Node.DOCUMENT_FRAGMENT_NODE) {
for (var n = node.firstChild; n; n = n.nextSibling) {
this._linkNode(n, container, ref_node);
}
} else {
this._linkNode(node, container, ref_node);
}
},
_linkNode: function (node, container, ref_node) {
node.__dom = node.__dom || {};
container.__dom = container.__dom || {};
if (ref_node) {
ref_node.__dom = ref_node.__dom || {};
}
node.__dom.previousSibling = ref_node ? ref_node.__dom.previousSibling : container.__dom.lastChild;
if (node.__dom.previousSibling) {
node.__dom.previousSibling.__dom.nextSibling = node;
}
node.__dom.nextSibling = ref_node || null;
if (node.__dom.nextSibling) {
node.__dom.nextSibling.__dom.previousSibling = node;
}
node.__dom.parentNode = container;
if (ref_node) {
if (ref_node === container.__dom.firstChild) {
container.__dom.firstChild = node;
}
} else {
container.__dom.lastChild = node;
if (!container.__dom.firstChild) {
container.__dom.firstChild = node;
}
}
container.__dom.childNodes = null;
},
recordRemoveChild: function (node, container) {
node.__dom = node.__dom || {};
container.__dom = container.__dom || {};
if (node === container.__dom.firstChild) {
container.__dom.firstChild = node.__dom.nextSibling;
}
if (node === container.__dom.lastChild) {
container.__dom.lastChild = node.__dom.previousSibling;
}
var p = node.__dom.previousSibling;
var n = node.__dom.nextSibling;
if (p) {
p.__dom.nextSibling = n;
}
if (n) {
n.__dom.previousSibling = p;
}
node.__dom.parentNode = node.__dom.previousSibling = node.__dom.nextSibling = undefined;
container.__dom.childNodes = null;
}
};
Polymer.TreeApi.Composed = {
getChildNodes: function (node) {
return Polymer.TreeApi.arrayCopyChildNodes(node);
},
getParentNode: function (node) {
return node.parentNode;
},
clearChildNodes: function (node) {
node.textContent = '';
},
insertBefore: function (parentNode, newChild, refChild) {
return nativeInsertBefore.call(parentNode, newChild, refChild || null);
},
appendChild: function (parentNode, newChild) {
return nativeAppendChild.call(parentNode, newChild);
},
removeChild: function (parentNode, node) {
return nativeRemoveChild.call(parentNode, node);
}
};
}());Polymer.DomApi = function () {
'use strict';
var Settings = Polymer.Settings;
var TreeApi = Polymer.TreeApi;
var DomApi = function (node) {
this.node = needsToWrap ? DomApi.wrap(node) : node;
};
var needsToWrap = Settings.hasShadow && !Settings.nativeShadow;
DomApi.wrap = window.wrap ? window.wrap : function (node) {
return node;
};
DomApi.prototype = {
flush: function () {
Polymer.dom.flush();
},
deepContains: function (node) {
if (this.node.contains(node)) {
return true;
}
var n = node;
var doc = node.ownerDocument;
while (n && n !== doc && n !== this.node) {
n = Polymer.dom(n).parentNode || n.host;
}
return n === this.node;
},
queryDistributedElements: function (selector) {
var c$ = this.getEffectiveChildNodes();
var list = [];
for (var i = 0, l = c$.length, c; i < l && (c = c$[i]); i++) {
if (c.nodeType === Node.ELEMENT_NODE && DomApi.matchesSelector.call(c, selector)) {
list.push(c);
}
}
return list;
},
getEffectiveChildNodes: function () {
var list = [];
var c$ = this.childNodes;
for (var i = 0, l = c$.length, c; i < l && (c = c$[i]); i++) {
if (c.localName === CONTENT) {
var d$ = dom(c).getDistributedNodes();
for (var j = 0; j < d$.length; j++) {
list.push(d$[j]);
}
} else {
list.push(c);
}
}
return list;
},
observeNodes: function (callback) {
if (callback) {
if (!this.observer) {
this.observer = this.node.localName === CONTENT ? new DomApi.DistributedNodesObserver(this) : new DomApi.EffectiveNodesObserver(this);
}
return this.observer.addListener(callback);
}
},
unobserveNodes: function (handle) {
if (this.observer) {
this.observer.removeListener(handle);
}
},
notifyObserver: function () {
if (this.observer) {
this.observer.notify();
}
},
_query: function (matcher, node, halter) {
node = node || this.node;
var list = [];
this._queryElements(TreeApi.Logical.getChildNodes(node), matcher, halter, list);
return list;
},
_queryElements: function (elements, matcher, halter, list) {
for (var i = 0, l = elements.length, c; i < l && (c = elements[i]); i++) {
if (c.nodeType === Node.ELEMENT_NODE) {
if (this._queryElement(c, matcher, halter, list)) {
return true;
}
}
}
},
_queryElement: function (node, matcher, halter, list) {
var result = matcher(node);
if (result) {
list.push(node);
}
if (halter && halter(result)) {
return result;
}
this._queryElements(TreeApi.Logical.getChildNodes(node), matcher, halter, list);
}
};
var CONTENT = DomApi.CONTENT = 'content';
var dom = DomApi.factory = function (node) {
node = node || document;
if (!node.__domApi) {
node.__domApi = new DomApi.ctor(node);
}
return node.__domApi;
};
DomApi.hasApi = function (node) {
return Boolean(node.__domApi);
};
DomApi.ctor = DomApi;
Polymer.dom = function (obj, patch) {
if (obj instanceof Event) {
return Polymer.EventApi.factory(obj);
} else {
return DomApi.factory(obj, patch);
}
};
var p = Element.prototype;
DomApi.matchesSelector = p.matches || p.matchesSelector || p.mozMatchesSelector || p.msMatchesSelector || p.oMatchesSelector || p.webkitMatchesSelector;
return DomApi;
}();(function () {
'use strict';
var Settings = Polymer.Settings;
var DomApi = Polymer.DomApi;
var dom = DomApi.factory;
var TreeApi = Polymer.TreeApi;
var getInnerHTML = Polymer.domInnerHTML.getInnerHTML;
var CONTENT = DomApi.CONTENT;
if (Settings.useShadow) {
return;
}
var nativeCloneNode = Element.prototype.cloneNode;
var nativeImportNode = Document.prototype.importNode;
Polymer.Base.mixin(DomApi.prototype, {
_lazyDistribute: function (host) {
if (host.shadyRoot && host.shadyRoot._distributionClean) {
host.shadyRoot._distributionClean = false;
Polymer.dom.addDebouncer(host.debounce('_distribute', host._distributeContent));
}
},
appendChild: function (node) {
return this.insertBefore(node);
},
insertBefore: function (node, ref_node) {
if (ref_node && TreeApi.Logical.getParentNode(ref_node) !== this.node) {
throw Error('The ref_node to be inserted before is not a child ' + 'of this node');
}
if (node.nodeType !== Node.DOCUMENT_FRAGMENT_NODE) {
var parent = TreeApi.Logical.getParentNode(node);
if (parent) {
if (DomApi.hasApi(parent)) {
dom(parent).notifyObserver();
}
this._removeNode(node);
} else {
this._removeOwnerShadyRoot(node);
}
}
if (!this._addNode(node, ref_node)) {
if (ref_node) {
ref_node = ref_node.localName === CONTENT ? this._firstComposedNode(ref_node) : ref_node;
}
var container = this.node._isShadyRoot ? this.node.host : this.node;
if (ref_node) {
TreeApi.Composed.insertBefore(container, node, ref_node);
} else {
TreeApi.Composed.appendChild(container, node);
}
}
this.notifyObserver();
return node;
},
_addNode: function (node, ref_node) {
var root = this.getOwnerRoot();
if (root) {
var ipAdded = this._maybeAddInsertionPoint(node, this.node);
if (!root._invalidInsertionPoints) {
root._invalidInsertionPoints = ipAdded;
}
this._addNodeToHost(root.host, node);
}
if (TreeApi.Logical.hasChildNodes(this.node)) {
TreeApi.Logical.recordInsertBefore(node, this.node, ref_node);
}
var handled = this._maybeDistribute(node) || this.node.shadyRoot;
if (handled) {
if (node.nodeType === Node.DOCUMENT_FRAGMENT_NODE) {
while (node.firstChild) {
TreeApi.Composed.removeChild(node, node.firstChild);
}
} else {
var parent = TreeApi.Composed.getParentNode(node);
if (parent) {
TreeApi.Composed.removeChild(parent, node);
}
}
}
return handled;
},
removeChild: function (node) {
if (TreeApi.Logical.getParentNode(node) !== this.node) {
throw Error('The node to be removed is not a child of this node: ' + node);
}
if (!this._removeNode(node)) {
var container = this.node._isShadyRoot ? this.node.host : this.node;
var parent = TreeApi.Composed.getParentNode(node);
if (container === parent) {
TreeApi.Composed.removeChild(container, node);
}
}
this.notifyObserver();
return node;
},
_removeNode: function (node) {
var logicalParent = TreeApi.Logical.hasParentNode(node) && TreeApi.Logical.getParentNode(node);
var distributed;
var root = this._ownerShadyRootForNode(node);
if (logicalParent) {
distributed = dom(node)._maybeDistributeParent();
TreeApi.Logical.recordRemoveChild(node, logicalParent);
if (root && this._removeDistributedChildren(root, node)) {
root._invalidInsertionPoints = true;
this._lazyDistribute(root.host);
}
}
this._removeOwnerShadyRoot(node);
if (root) {
this._removeNodeFromHost(root.host, node);
}
return distributed;
},
replaceChild: function (node, ref_node) {
this.insertBefore(node, ref_node);
this.removeChild(ref_node);
return node;
},
_hasCachedOwnerRoot: function (node) {
return Boolean(node._ownerShadyRoot !== undefined);
},
getOwnerRoot: function () {
return this._ownerShadyRootForNode(this.node);
},
_ownerShadyRootForNode: function (node) {
if (!node) {
return;
}
var root = node._ownerShadyRoot;
if (root === undefined) {
if (node._isShadyRoot) {
root = node;
} else {
var parent = TreeApi.Logical.getParentNode(node);
if (parent) {
root = parent._isShadyRoot ? parent : this._ownerShadyRootForNode(parent);
} else {
root = null;
}
}
if (root || document.documentElement.contains(node)) {
node._ownerShadyRoot = root;
}
}
return root;
},
_maybeDistribute: function (node) {
var fragContent = node.nodeType === Node.DOCUMENT_FRAGMENT_NODE && !node.__noContent && dom(node).querySelector(CONTENT);
var wrappedContent = fragContent && TreeApi.Logical.getParentNode(fragContent).nodeType !== Node.DOCUMENT_FRAGMENT_NODE;
var hasContent = fragContent || node.localName === CONTENT;
if (hasContent) {
var root = this.getOwnerRoot();
if (root) {
this._lazyDistribute(root.host);
}
}
var needsDist = this._nodeNeedsDistribution(this.node);
if (needsDist) {
this._lazyDistribute(this.node);
}
return needsDist || hasContent && !wrappedContent;
},
_maybeAddInsertionPoint: function (node, parent) {
var added;
if (node.nodeType === Node.DOCUMENT_FRAGMENT_NODE && !node.__noContent) {
var c$ = dom(node).querySelectorAll(CONTENT);
for (var i = 0, n, np, na; i < c$.length && (n = c$[i]); i++) {
np = TreeApi.Logical.getParentNode(n);
if (np === node) {
np = parent;
}
na = this._maybeAddInsertionPoint(n, np);
added = added || na;
}
} else if (node.localName === CONTENT) {
TreeApi.Logical.saveChildNodes(parent);
TreeApi.Logical.saveChildNodes(node);
added = true;
}
return added;
},
_updateInsertionPoints: function (host) {
var i$ = host.shadyRoot._insertionPoints = dom(host.shadyRoot).querySelectorAll(CONTENT);
for (var i = 0, c; i < i$.length; i++) {
c = i$[i];
TreeApi.Logical.saveChildNodes(c);
TreeApi.Logical.saveChildNodes(TreeApi.Logical.getParentNode(c));
}
},
_nodeNeedsDistribution: function (node) {
return node && node.shadyRoot && DomApi.hasInsertionPoint(node.shadyRoot);
},
_addNodeToHost: function (host, node) {
if (host._elementAdd) {
host._elementAdd(node);
}
},
_removeNodeFromHost: function (host, node) {
if (host._elementRemove) {
host._elementRemove(node);
}
},
_removeDistributedChildren: function (root, container) {
var hostNeedsDist;
var ip$ = root._insertionPoints;
for (var i = 0; i < ip$.length; i++) {
var content = ip$[i];
if (this._contains(container, content)) {
var dc$ = dom(content).getDistributedNodes();
for (var j = 0; j < dc$.length; j++) {
hostNeedsDist = true;
var node = dc$[j];
var parent = TreeApi.Composed.getParentNode(node);
if (parent) {
TreeApi.Composed.removeChild(parent, node);
}
}
}
}
return hostNeedsDist;
},
_contains: function (container, node) {
while (node) {
if (node == container) {
return true;
}
node = TreeApi.Logical.getParentNode(node);
}
},
_removeOwnerShadyRoot: function (node) {
if (this._hasCachedOwnerRoot(node)) {
var c$ = TreeApi.Logical.getChildNodes(node);
for (var i = 0, l = c$.length, n; i < l && (n = c$[i]); i++) {
this._removeOwnerShadyRoot(n);
}
}
node._ownerShadyRoot = undefined;
},
_firstComposedNode: function (content) {
var n$ = dom(content).getDistributedNodes();
for (var i = 0, l = n$.length, n, p$; i < l && (n = n$[i]); i++) {
p$ = dom(n).getDestinationInsertionPoints();
if (p$[p$.length - 1] === content) {
return n;
}
}
},
querySelector: function (selector) {
var result = this._query(function (n) {
return DomApi.matchesSelector.call(n, selector);
}, this.node, function (n) {
return Boolean(n);
})[0];
return result || null;
},
querySelectorAll: function (selector) {
return this._query(function (n) {
return DomApi.matchesSelector.call(n, selector);
}, this.node);
},
getDestinationInsertionPoints: function () {
return this.node._destinationInsertionPoints || [];
},
getDistributedNodes: function () {
return this.node._distributedNodes || [];
},
_clear: function () {
while (this.childNodes.length) {
this.removeChild(this.childNodes[0]);
}
},
setAttribute: function (name, value) {
this.node.setAttribute(name, value);
this._maybeDistributeParent();
},
removeAttribute: function (name) {
this.node.removeAttribute(name);
this._maybeDistributeParent();
},
_maybeDistributeParent: function () {
if (this._nodeNeedsDistribution(this.parentNode)) {
this._lazyDistribute(this.parentNode);
return true;
}
},
cloneNode: function (deep) {
var n = nativeCloneNode.call(this.node, false);
if (deep) {
var c$ = this.childNodes;
var d = dom(n);
for (var i = 0, nc; i < c$.length; i++) {
nc = dom(c$[i]).cloneNode(true);
d.appendChild(nc);
}
}
return n;
},
importNode: function (externalNode, deep) {
var doc = this.node instanceof Document ? this.node : this.node.ownerDocument;
var n = nativeImportNode.call(doc, externalNode, false);
if (deep) {
var c$ = TreeApi.Logical.getChildNodes(externalNode);
var d = dom(n);
for (var i = 0, nc; i < c$.length; i++) {
nc = dom(doc).importNode(c$[i], true);
d.appendChild(nc);
}
}
return n;
},
_getComposedInnerHTML: function () {
return getInnerHTML(this.node, true);
}
});
Object.defineProperties(DomApi.prototype, {
activeElement: {
get: function () {
var active = document.activeElement;
if (!active) {
return null;
}
var isShadyRoot = !!this.node._isShadyRoot;
if (this.node !== document) {
if (!isShadyRoot) {
return null;
}
if (this.node.host === active || !this.node.host.contains(active)) {
return null;
}
}
var activeRoot = dom(active).getOwnerRoot();
while (activeRoot && activeRoot !== this.node) {
active = activeRoot.host;
activeRoot = dom(active).getOwnerRoot();
}
if (this.node === document) {
return activeRoot ? null : active;
} else {
return activeRoot === this.node ? active : null;
}
},
configurable: true
},
childNodes: {
get: function () {
var c$ = TreeApi.Logical.getChildNodes(this.node);
return Array.isArray(c$) ? c$ : TreeApi.arrayCopyChildNodes(this.node);
},
configurable: true
},
children: {
get: function () {
if (TreeApi.Logical.hasChildNodes(this.node)) {
return Array.prototype.filter.call(this.childNodes, function (n) {
return n.nodeType === Node.ELEMENT_NODE;
});
} else {
return TreeApi.arrayCopyChildren(this.node);
}
},
configurable: true
},
parentNode: {
get: function () {
return TreeApi.Logical.getParentNode(this.node);
},
configurable: true
},
firstChild: {
get: function () {
return TreeApi.Logical.getFirstChild(this.node);
},
configurable: true
},
lastChild: {
get: function () {
return TreeApi.Logical.getLastChild(this.node);
},
configurable: true
},
nextSibling: {
get: function () {
return TreeApi.Logical.getNextSibling(this.node);
},
configurable: true
},
previousSibling: {
get: function () {
return TreeApi.Logical.getPreviousSibling(this.node);
},
configurable: true
},
firstElementChild: {
get: function () {
return TreeApi.Logical.getFirstElementChild(this.node);
},
configurable: true
},
lastElementChild: {
get: function () {
return TreeApi.Logical.getLastElementChild(this.node);
},
configurable: true
},
nextElementSibling: {
get: function () {
return TreeApi.Logical.getNextElementSibling(this.node);
},
configurable: true
},
previousElementSibling: {
get: function () {
return TreeApi.Logical.getPreviousElementSibling(this.node);
},
configurable: true
},
textContent: {
get: function () {
var nt = this.node.nodeType;
if (nt === Node.TEXT_NODE || nt === Node.COMMENT_NODE) {
return this.node.textContent;
} else {
var tc = [];
for (var i = 0, cn = this.childNodes, c; c = cn[i]; i++) {
if (c.nodeType !== Node.COMMENT_NODE) {
tc.push(c.textContent);
}
}
return tc.join('');
}
},
set: function (text) {
var nt = this.node.nodeType;
if (nt === Node.TEXT_NODE || nt === Node.COMMENT_NODE) {
this.node.textContent = text;
} else {
this._clear();
if (text) {
this.appendChild(document.createTextNode(text));
}
}
},
configurable: true
},
innerHTML: {
get: function () {
var nt = this.node.nodeType;
if (nt === Node.TEXT_NODE || nt === Node.COMMENT_NODE) {
return null;
} else {
return getInnerHTML(this.node);
}
},
set: function (text) {
var nt = this.node.nodeType;
if (nt !== Node.TEXT_NODE || nt !== Node.COMMENT_NODE) {
this._clear();
var d = document.createElement('div');
d.innerHTML = text;
var c$ = TreeApi.arrayCopyChildNodes(d);
for (var i = 0; i < c$.length; i++) {
this.appendChild(c$[i]);
}
}
},
configurable: true
}
});
DomApi.hasInsertionPoint = function (root) {
return Boolean(root && root._insertionPoints.length);
};
}());(function () {
'use strict';
var Settings = Polymer.Settings;
var TreeApi = Polymer.TreeApi;
var DomApi = Polymer.DomApi;
if (!Settings.useShadow) {
return;
}
Polymer.Base.mixin(DomApi.prototype, {
querySelectorAll: function (selector) {
return TreeApi.arrayCopy(this.node.querySelectorAll(selector));
},
getOwnerRoot: function () {
var n = this.node;
while (n) {
if (n.nodeType === Node.DOCUMENT_FRAGMENT_NODE && n.host) {
return n;
}
n = n.parentNode;
}
},
importNode: function (externalNode, deep) {
var doc = this.node instanceof Document ? this.node : this.node.ownerDocument;
return doc.importNode(externalNode, deep);
},
getDestinationInsertionPoints: function () {
var n$ = this.node.getDestinationInsertionPoints && this.node.getDestinationInsertionPoints();
return n$ ? TreeApi.arrayCopy(n$) : [];
},
getDistributedNodes: function () {
var n$ = this.node.getDistributedNodes && this.node.getDistributedNodes();
return n$ ? TreeApi.arrayCopy(n$) : [];
}
});
Object.defineProperties(DomApi.prototype, {
activeElement: {
get: function () {
var node = DomApi.wrap(this.node);
var activeElement = node.activeElement;
return node.contains(activeElement) ? activeElement : null;
},
configurable: true
},
childNodes: {
get: function () {
return TreeApi.arrayCopyChildNodes(this.node);
},
configurable: true
},
children: {
get: function () {
return TreeApi.arrayCopyChildren(this.node);
},
configurable: true
},
textContent: {
get: function () {
return this.node.textContent;
},
set: function (value) {
return this.node.textContent = value;
},
configurable: true
},
innerHTML: {
get: function () {
return this.node.innerHTML;
},
set: function (value) {
return this.node.innerHTML = value;
},
configurable: true
}
});
var forwardMethods = function (m$) {
for (var i = 0; i < m$.length; i++) {
forwardMethod(m$[i]);
}
};
var forwardMethod = function (method) {
DomApi.prototype[method] = function () {
return this.node[method].apply(this.node, arguments);
};
};
forwardMethods([
'cloneNode',
'appendChild',
'insertBefore',
'removeChild',
'replaceChild',
'setAttribute',
'removeAttribute',
'querySelector'
]);
var forwardProperties = function (f$) {
for (var i = 0; i < f$.length; i++) {
forwardProperty(f$[i]);
}
};
var forwardProperty = function (name) {
Object.defineProperty(DomApi.prototype, name, {
get: function () {
return this.node[name];
},
configurable: true
});
};
forwardProperties([
'parentNode',
'firstChild',
'lastChild',
'nextSibling',
'previousSibling',
'firstElementChild',
'lastElementChild',
'nextElementSibling',
'previousElementSibling'
]);
}());Polymer.Base.mixin(Polymer.dom, {
_flushGuard: 0,
_FLUSH_MAX: 100,
_needsTakeRecords: !Polymer.Settings.useNativeCustomElements,
_debouncers: [],
_staticFlushList: [],
_finishDebouncer: null,
flush: function () {
this._flushGuard = 0;
this._prepareFlush();
while (this._debouncers.length && this._flushGuard < this._FLUSH_MAX) {
while (this._debouncers.length) {
this._debouncers.shift().complete();
}
if (this._finishDebouncer) {
this._finishDebouncer.complete();
}
this._prepareFlush();
this._flushGuard++;
}
if (this._flushGuard >= this._FLUSH_MAX) {
console.warn('Polymer.dom.flush aborted. Flush may not be complete.');
}
},
_prepareFlush: function () {
if (this._needsTakeRecords) {
CustomElements.takeRecords();
}
for (var i = 0; i < this._staticFlushList.length; i++) {
this._staticFlushList[i]();
}
},
addStaticFlush: function (fn) {
this._staticFlushList.push(fn);
},
removeStaticFlush: function (fn) {
var i = this._staticFlushList.indexOf(fn);
if (i >= 0) {
this._staticFlushList.splice(i, 1);
}
},
addDebouncer: function (debouncer) {
this._debouncers.push(debouncer);
this._finishDebouncer = Polymer.Debounce(this._finishDebouncer, this._finishFlush);
},
_finishFlush: function () {
Polymer.dom._debouncers = [];
}
});Polymer.EventApi = function () {
'use strict';
var DomApi = Polymer.DomApi.ctor;
var Settings = Polymer.Settings;
DomApi.Event = function (event) {
this.event = event;
};
if (Settings.useShadow) {
DomApi.Event.prototype = {
get rootTarget() {
return this.event.path[0];
},
get localTarget() {
return this.event.target;
},
get path() {
var path = this.event.path;
if (!Array.isArray(path)) {
path = Array.prototype.slice.call(path);
}
return path;
}
};
} else {
DomApi.Event.prototype = {
get rootTarget() {
return this.event.target;
},
get localTarget() {
var current = this.event.currentTarget;
var currentRoot = current && Polymer.dom(current).getOwnerRoot();
var p$ = this.path;
for (var i = 0; i < p$.length; i++) {
if (Polymer.dom(p$[i]).getOwnerRoot() === currentRoot) {
return p$[i];
}
}
},
get path() {
if (!this.event._path) {
var path = [];
var current = this.rootTarget;
while (current) {
path.push(current);
var insertionPoints = Polymer.dom(current).getDestinationInsertionPoints();
if (insertionPoints.length) {
for (var i = 0; i < insertionPoints.length - 1; i++) {
path.push(insertionPoints[i]);
}
current = insertionPoints[insertionPoints.length - 1];
} else {
current = Polymer.dom(current).parentNode || current.host;
}
}
path.push(window);
this.event._path = path;
}
return this.event._path;
}
};
}
var factory = function (event) {
if (!event.__eventApi) {
event.__eventApi = new DomApi.Event(event);
}
return event.__eventApi;
};
return { factory: factory };
}();(function () {
'use strict';
var DomApi = Polymer.DomApi.ctor;
var useShadow = Polymer.Settings.useShadow;
Object.defineProperty(DomApi.prototype, 'classList', {
get: function () {
if (!this._classList) {
this._classList = new DomApi.ClassList(this);
}
return this._classList;
},
configurable: true
});
DomApi.ClassList = function (host) {
this.domApi = host;
this.node = host.node;
};
DomApi.ClassList.prototype = {
add: function () {
this.node.classList.add.apply(this.node.classList, arguments);
this._distributeParent();
},
remove: function () {
this.node.classList.remove.apply(this.node.classList, arguments);
this._distributeParent();
},
toggle: function () {
this.node.classList.toggle.apply(this.node.classList, arguments);
this._distributeParent();
},
_distributeParent: function () {
if (!useShadow) {
this.domApi._maybeDistributeParent();
}
},
contains: function () {
return this.node.classList.contains.apply(this.node.classList, arguments);
}
};
}());(function () {
'use strict';
var DomApi = Polymer.DomApi.ctor;
var Settings = Polymer.Settings;
DomApi.EffectiveNodesObserver = function (domApi) {
this.domApi = domApi;
this.node = this.domApi.node;
this._listeners = [];
};
DomApi.EffectiveNodesObserver.prototype = {
addListener: function (callback) {
if (!this._isSetup) {
this._setup();
this._isSetup = true;
}
var listener = {
fn: callback,
_nodes: []
};
this._listeners.push(listener);
this._scheduleNotify();
return listener;
},
removeListener: function (handle) {
var i = this._listeners.indexOf(handle);
if (i >= 0) {
this._listeners.splice(i, 1);
handle._nodes = [];
}
if (!this._hasListeners()) {
this._cleanup();
this._isSetup = false;
}
},
_setup: function () {
this._observeContentElements(this.domApi.childNodes);
},
_cleanup: function () {
this._unobserveContentElements(this.domApi.childNodes);
},
_hasListeners: function () {
return Boolean(this._listeners.length);
},
_scheduleNotify: function () {
if (this._debouncer) {
this._debouncer.stop();
}
this._debouncer = Polymer.Debounce(this._debouncer, this._notify);
this._debouncer.context = this;
Polymer.dom.addDebouncer(this._debouncer);
},
notify: function () {
if (this._hasListeners()) {
this._scheduleNotify();
}
},
_notify: function () {
this._beforeCallListeners();
this._callListeners();
},
_beforeCallListeners: function () {
this._updateContentElements();
},
_updateContentElements: function () {
this._observeContentElements(this.domApi.childNodes);
},
_observeContentElements: function (elements) {
for (var i = 0, n; i < elements.length && (n = elements[i]); i++) {
if (this._isContent(n)) {
n.__observeNodesMap = n.__observeNodesMap || new WeakMap();
if (!n.__observeNodesMap.has(this)) {
n.__observeNodesMap.set(this, this._observeContent(n));
}
}
}
},
_observeContent: function (content) {
var self = this;
var h = Polymer.dom(content).observeNodes(function () {
self._scheduleNotify();
});
h._avoidChangeCalculation = true;
return h;
},
_unobserveContentElements: function (elements) {
for (var i = 0, n, h; i < elements.length && (n = elements[i]); i++) {
if (this._isContent(n)) {
h = n.__observeNodesMap.get(this);
if (h) {
Polymer.dom(n).unobserveNodes(h);
n.__observeNodesMap.delete(this);
}
}
}
},
_isContent: function (node) {
return node.localName === 'content';
},
_callListeners: function () {
var o$ = this._listeners;
var nodes = this._getEffectiveNodes();
for (var i = 0, o; i < o$.length && (o = o$[i]); i++) {
var info = this._generateListenerInfo(o, nodes);
if (info || o._alwaysNotify) {
this._callListener(o, info);
}
}
},
_getEffectiveNodes: function () {
return this.domApi.getEffectiveChildNodes();
},
_generateListenerInfo: function (listener, newNodes) {
if (listener._avoidChangeCalculation) {
return true;
}
var oldNodes = listener._nodes;
var info = {
target: this.node,
addedNodes: [],
removedNodes: []
};
var splices = Polymer.ArraySplice.calculateSplices(newNodes, oldNodes);
for (var i = 0, s; i < splices.length && (s = splices[i]); i++) {
for (var j = 0, n; j < s.removed.length && (n = s.removed[j]); j++) {
info.removedNodes.push(n);
}
}
for (i = 0, s; i < splices.length && (s = splices[i]); i++) {
for (j = s.index; j < s.index + s.addedCount; j++) {
info.addedNodes.push(newNodes[j]);
}
}
listener._nodes = newNodes;
if (info.addedNodes.length || info.removedNodes.length) {
return info;
}
},
_callListener: function (listener, info) {
return listener.fn.call(this.node, info);
},
enableShadowAttributeTracking: function () {
}
};
if (Settings.useShadow) {
var baseSetup = DomApi.EffectiveNodesObserver.prototype._setup;
var baseCleanup = DomApi.EffectiveNodesObserver.prototype._cleanup;
Polymer.Base.mixin(DomApi.EffectiveNodesObserver.prototype, {
_setup: function () {
if (!this._observer) {
var self = this;
this._mutationHandler = function (mxns) {
if (mxns && mxns.length) {
self._scheduleNotify();
}
};
this._observer = new MutationObserver(this._mutationHandler);
this._boundFlush = function () {
self._flush();
};
Polymer.dom.addStaticFlush(this._boundFlush);
this._observer.observe(this.node, { childList: true });
}
baseSetup.call(this);
},
_cleanup: function () {
this._observer.disconnect();
this._observer = null;
this._mutationHandler = null;
Polymer.dom.removeStaticFlush(this._boundFlush);
baseCleanup.call(this);
},
_flush: function () {
if (this._observer) {
this._mutationHandler(this._observer.takeRecords());
}
},
enableShadowAttributeTracking: function () {
if (this._observer) {
this._makeContentListenersAlwaysNotify();
this._observer.disconnect();
this._observer.observe(this.node, {
childList: true,
attributes: true,
subtree: true
});
var root = this.domApi.getOwnerRoot();
var host = root && root.host;
if (host && Polymer.dom(host).observer) {
Polymer.dom(host).observer.enableShadowAttributeTracking();
}
}
},
_makeContentListenersAlwaysNotify: function () {
for (var i = 0, h; i < this._listeners.length; i++) {
h = this._listeners[i];
h._alwaysNotify = h._isContentListener;
}
}
});
}
}());(function () {
'use strict';
var DomApi = Polymer.DomApi.ctor;
var Settings = Polymer.Settings;
DomApi.DistributedNodesObserver = function (domApi) {
DomApi.EffectiveNodesObserver.call(this, domApi);
};
DomApi.DistributedNodesObserver.prototype = Object.create(DomApi.EffectiveNodesObserver.prototype);
Polymer.Base.mixin(DomApi.DistributedNodesObserver.prototype, {
_setup: function () {
},
_cleanup: function () {
},
_beforeCallListeners: function () {
},
_getEffectiveNodes: function () {
return this.domApi.getDistributedNodes();
}
});
if (Settings.useShadow) {
Polymer.Base.mixin(DomApi.DistributedNodesObserver.prototype, {
_setup: function () {
if (!this._observer) {
var root = this.domApi.getOwnerRoot();
var host = root && root.host;
if (host) {
var self = this;
this._observer = Polymer.dom(host).observeNodes(function () {
self._scheduleNotify();
});
this._observer._isContentListener = true;
if (this._hasAttrSelect()) {
Polymer.dom(host).observer.enableShadowAttributeTracking();
}
}
}
},
_hasAttrSelect: function () {
var select = this.node.getAttribute('select');
return select && select.match(/[[.]+/);
},
_cleanup: function () {
var root = this.domApi.getOwnerRoot();
var host = root && root.host;
if (host) {
Polymer.dom(host).unobserveNodes(this._observer);
}
this._observer = null;
}
});
}
}());(function () {
var DomApi = Polymer.DomApi;
var TreeApi = Polymer.TreeApi;
Polymer.Base._addFeature({
_prepShady: function () {
this._useContent = this._useContent || Boolean(this._template);
},
_setupShady: function () {
this.shadyRoot = null;
if (!this.__domApi) {
this.__domApi = null;
}
if (!this.__dom) {
this.__dom = null;
}
if (!this._ownerShadyRoot) {
this._ownerShadyRoot = undefined;
}
},
_poolContent: function () {
if (this._useContent) {
TreeApi.Logical.saveChildNodes(this);
}
},
_setupRoot: function () {
if (this._useContent) {
this._createLocalRoot();
if (!this.dataHost) {
upgradeLogicalChildren(TreeApi.Logical.getChildNodes(this));
}
}
},
_createLocalRoot: function () {
this.shadyRoot = this.root;
this.shadyRoot._distributionClean = false;
this.shadyRoot._hasDistributed = false;
this.shadyRoot._isShadyRoot = true;
this.shadyRoot._dirtyRoots = [];
var i$ = this.shadyRoot._insertionPoints = !this._notes || this._notes._hasContent ? this.shadyRoot.querySelectorAll('content') : [];
TreeApi.Logical.saveChildNodes(this.shadyRoot);
for (var i = 0, c; i < i$.length; i++) {
c = i$[i];
TreeApi.Logical.saveChildNodes(c);
TreeApi.Logical.saveChildNodes(c.parentNode);
}
this.shadyRoot.host = this;
},
distributeContent: function (updateInsertionPoints) {
if (this.shadyRoot) {
this.shadyRoot._invalidInsertionPoints = this.shadyRoot._invalidInsertionPoints || updateInsertionPoints;
var host = getTopDistributingHost(this);
Polymer.dom(this)._lazyDistribute(host);
}
},
_distributeContent: function () {
if (this._useContent && !this.shadyRoot._distributionClean) {
if (this.shadyRoot._invalidInsertionPoints) {
Polymer.dom(this)._updateInsertionPoints(this);
this.shadyRoot._invalidInsertionPoints = false;
}
this._beginDistribute();
this._distributeDirtyRoots();
this._finishDistribute();
}
},
_beginDistribute: function () {
if (this._useContent && DomApi.hasInsertionPoint(this.shadyRoot)) {
this._resetDistribution();
this._distributePool(this.shadyRoot, this._collectPool());
}
},
_distributeDirtyRoots: function () {
var c$ = this.shadyRoot._dirtyRoots;
for (var i = 0, l = c$.length, c; i < l && (c = c$[i]); i++) {
c._distributeContent();
}
this.shadyRoot._dirtyRoots = [];
},
_finishDistribute: function () {
if (this._useContent) {
this.shadyRoot._distributionClean = true;
if (DomApi.hasInsertionPoint(this.shadyRoot)) {
this._composeTree();
notifyContentObservers(this.shadyRoot);
} else {
if (!this.shadyRoot._hasDistributed) {
TreeApi.Composed.clearChildNodes(this);
this.appendChild(this.shadyRoot);
} else {
var children = this._composeNode(this);
this._updateChildNodes(this, children);
}
}
if (!this.shadyRoot._hasDistributed) {
notifyInitialDistribution(this);
}
this.shadyRoot._hasDistributed = true;
}
},
elementMatches: function (selector, node) {
node = node || this;
return DomApi.matchesSelector.call(node, selector);
},
_resetDistribution: function () {
var children = TreeApi.Logical.getChildNodes(this);
for (var i = 0; i < children.length; i++) {
var child = children[i];
if (child._destinationInsertionPoints) {
child._destinationInsertionPoints = undefined;
}
if (isInsertionPoint(child)) {
clearDistributedDestinationInsertionPoints(child);
}
}
var root = this.shadyRoot;
var p$ = root._insertionPoints;
for (var j = 0; j < p$.length; j++) {
p$[j]._distributedNodes = [];
}
},
_collectPool: function () {
var pool = [];
var children = TreeApi.Logical.getChildNodes(this);
for (var i = 0; i < children.length; i++) {
var child = children[i];
if (isInsertionPoint(child)) {
pool.push.apply(pool, child._distributedNodes);
} else {
pool.push(child);
}
}
return pool;
},
_distributePool: function (node, pool) {
var p$ = node._insertionPoints;
for (var i = 0, l = p$.length, p; i < l && (p = p$[i]); i++) {
this._distributeInsertionPoint(p, pool);
maybeRedistributeParent(p, this);
}
},
_distributeInsertionPoint: function (content, pool) {
var anyDistributed = false;
for (var i = 0, l = pool.length, node; i < l; i++) {
node = pool[i];
if (!node) {
continue;
}
if (this._matchesContentSelect(node, content)) {
distributeNodeInto(node, content);
pool[i] = undefined;
anyDistributed = true;
}
}
if (!anyDistributed) {
var children = TreeApi.Logical.getChildNodes(content);
for (var j = 0; j < children.length; j++) {
distributeNodeInto(children[j], content);
}
}
},
_composeTree: function () {
this._updateChildNodes(this, this._composeNode(this));
var p$ = this.shadyRoot._insertionPoints;
for (var i = 0, l = p$.length, p, parent; i < l && (p = p$[i]); i++) {
parent = TreeApi.Logical.getParentNode(p);
if (!parent._useContent && parent !== this && parent !== this.shadyRoot) {
this._updateChildNodes(parent, this._composeNode(parent));
}
}
},
_composeNode: function (node) {
var children = [];
var c$ = TreeApi.Logical.getChildNodes(node.shadyRoot || node);
for (var i = 0; i < c$.length; i++) {
var child = c$[i];
if (isInsertionPoint(child)) {
var distributedNodes = child._distributedNodes;
for (var j = 0; j < distributedNodes.length; j++) {
var distributedNode = distributedNodes[j];
if (isFinalDestination(child, distributedNode)) {
children.push(distributedNode);
}
}
} else {
children.push(child);
}
}
return children;
},
_updateChildNodes: function (container, children) {
var composed = TreeApi.Composed.getChildNodes(container);
var splices = Polymer.ArraySplice.calculateSplices(children, composed);
for (var i = 0, d = 0, s; i < splices.length && (s = splices[i]); i++) {
for (var j = 0, n; j < s.removed.length && (n = s.removed[j]); j++) {
if (TreeApi.Composed.getParentNode(n) === container) {
TreeApi.Composed.removeChild(container, n);
}
composed.splice(s.index + d, 1);
}
d -= s.addedCount;
}
for (var i = 0, s, next; i < splices.length && (s = splices[i]); i++) {
next = composed[s.index];
for (j = s.index, n; j < s.index + s.addedCount; j++) {
n = children[j];
TreeApi.Composed.insertBefore(container, n, next);
composed.splice(j, 0, n);
}
}
},
_matchesContentSelect: function (node, contentElement) {
var select = contentElement.getAttribute('select');
if (!select) {
return true;
}
select = select.trim();
if (!select) {
return true;
}
if (!(node instanceof Element)) {
return false;
}
var validSelectors = /^(:not\()?[*.#[a-zA-Z_|]/;
if (!validSelectors.test(select)) {
return false;
}
return this.elementMatches(select, node);
},
_elementAdd: function () {
},
_elementRemove: function () {
}
});
var domHostDesc = {
get: function () {
var root = Polymer.dom(this).getOwnerRoot();
return root && root.host;
},
configurable: true
};
Object.defineProperty(Polymer.Base, 'domHost', domHostDesc);
Polymer.BaseDescriptors.domHost = domHostDesc;
function distributeNodeInto(child, insertionPoint) {
insertionPoint._distributedNodes.push(child);
var points = child._destinationInsertionPoints;
if (!points) {
child._destinationInsertionPoints = [insertionPoint];
} else {
points.push(insertionPoint);
}
}
function clearDistributedDestinationInsertionPoints(content) {
var e$ = content._distributedNodes;
if (e$) {
for (var i = 0; i < e$.length; i++) {
var d = e$[i]._destinationInsertionPoints;
if (d) {
d.splice(d.indexOf(content) + 1, d.length);
}
}
}
}
function maybeRedistributeParent(content, host) {
var parent = TreeApi.Logical.getParentNode(content);
if (parent && parent.shadyRoot && DomApi.hasInsertionPoint(parent.shadyRoot) && parent.shadyRoot._distributionClean) {
parent.shadyRoot._distributionClean = false;
host.shadyRoot._dirtyRoots.push(parent);
}
}
function isFinalDestination(insertionPoint, node) {
var points = node._destinationInsertionPoints;
return points && points[points.length - 1] === insertionPoint;
}
function isInsertionPoint(node) {
return node.localName == 'content';
}
function getTopDistributingHost(host) {
while (host && hostNeedsRedistribution(host)) {
host = host.domHost;
}
return host;
}
function hostNeedsRedistribution(host) {
var c$ = TreeApi.Logical.getChildNodes(host);
for (var i = 0, c; i < c$.length; i++) {
c = c$[i];
if (c.localName && c.localName === 'content') {
return host.domHost;
}
}
}
function notifyContentObservers(root) {
for (var i = 0, c; i < root._insertionPoints.length; i++) {
c = root._insertionPoints[i];
if (DomApi.hasApi(c)) {
Polymer.dom(c).notifyObserver();
}
}
}
function notifyInitialDistribution(host) {
if (DomApi.hasApi(host)) {
Polymer.dom(host).notifyObserver();
}
}
var needsUpgrade = window.CustomElements && !CustomElements.useNative;
function upgradeLogicalChildren(children) {
if (needsUpgrade && children) {
for (var i = 0; i < children.length; i++) {
CustomElements.upgrade(children[i]);
}
}
}
}());if (Polymer.Settings.useShadow) {
Polymer.Base._addFeature({
_poolContent: function () {
},
_beginDistribute: function () {
},
distributeContent: function () {
},
_distributeContent: function () {
},
_finishDistribute: function () {
},
_createLocalRoot: function () {
this.createShadowRoot();
this.shadowRoot.appendChild(this.root);
this.root = this.shadowRoot;
}
});
}Polymer.Async = {
_currVal: 0,
_lastVal: 0,
_callbacks: [],
_twiddleContent: 0,
_twiddle: document.createTextNode(''),
run: function (callback, waitTime) {
if (waitTime > 0) {
return ~setTimeout(callback, waitTime);
} else {
this._twiddle.textContent = this._twiddleContent++;
this._callbacks.push(callback);
return this._currVal++;
}
},
cancel: function (handle) {
if (handle < 0) {
clearTimeout(~handle);
} else {
var idx = handle - this._lastVal;
if (idx >= 0) {
if (!this._callbacks[idx]) {
throw 'invalid async handle: ' + handle;
}
this._callbacks[idx] = null;
}
}
},
_atEndOfMicrotask: function () {
var len = this._callbacks.length;
for (var i = 0; i < len; i++) {
var cb = this._callbacks[i];
if (cb) {
try {
cb();
} catch (e) {
i++;
this._callbacks.splice(0, i);
this._lastVal += i;
this._twiddle.textContent = this._twiddleContent++;
throw e;
}
}
}
this._callbacks.splice(0, len);
this._lastVal += len;
}
};
new window.MutationObserver(function () {
Polymer.Async._atEndOfMicrotask();
}).observe(Polymer.Async._twiddle, { characterData: true });Polymer.Debounce = function () {
var Async = Polymer.Async;
var Debouncer = function (context) {
this.context = context;
var self = this;
this.boundComplete = function () {
self.complete();
};
};
Debouncer.prototype = {
go: function (callback, wait) {
var h;
this.finish = function () {
Async.cancel(h);
};
h = Async.run(this.boundComplete, wait);
this.callback = callback;
},
stop: function () {
if (this.finish) {
this.finish();
this.finish = null;
this.callback = null;
}
},
complete: function () {
if (this.finish) {
var callback = this.callback;
this.stop();
callback.call(this.context);
}
}
};
function debounce(debouncer, callback, wait) {
if (debouncer) {
debouncer.stop();
} else {
debouncer = new Debouncer(this);
}
debouncer.go(callback, wait);
return debouncer;
}
return debounce;
}();Polymer.Base._addFeature({
_setupDebouncers: function () {
this._debouncers = {};
},
debounce: function (jobName, callback, wait) {
return this._debouncers[jobName] = Polymer.Debounce.call(this, this._debouncers[jobName], callback, wait);
},
isDebouncerActive: function (jobName) {
var debouncer = this._debouncers[jobName];
return !!(debouncer && debouncer.finish);
},
flushDebouncer: function (jobName) {
var debouncer = this._debouncers[jobName];
if (debouncer) {
debouncer.complete();
}
},
cancelDebouncer: function (jobName) {
var debouncer = this._debouncers[jobName];
if (debouncer) {
debouncer.stop();
}
}
});Polymer.DomModule = document.createElement('dom-module');
Polymer.Base._addFeature({
_registerFeatures: function () {
this._prepIs();
this._prepBehaviors();
this._prepConstructor();
this._prepTemplate();
this._prepShady();
this._prepPropertyInfo();
},
_prepBehavior: function (b) {
this._addHostAttributes(b.hostAttributes);
},
_initFeatures: function () {
this._registerHost();
if (this._template) {
this._poolContent();
this._beginHosting();
this._stampTemplate();
this._endHosting();
}
this._marshalHostAttributes();
this._setupDebouncers();
this._marshalBehaviors();
this._tryReady();
},
_marshalBehavior: function (b) {
}
});</script><script>(function () {
Polymer.nar = [];
var disableUpgradeEnabled = Polymer.Settings.disableUpgradeEnabled;
Polymer.Annotations = {
parseAnnotations: function (template, stripWhiteSpace) {
var list = [];
var content = template._content || template.content;
this._parseNodeAnnotations(content, list, stripWhiteSpace || template.hasAttribute('strip-whitespace'));
return list;
},
_parseNodeAnnotations: function (node, list, stripWhiteSpace) {
return node.nodeType === Node.TEXT_NODE ? this._parseTextNodeAnnotation(node, list) : this._parseElementAnnotations(node, list, stripWhiteSpace);
},
_bindingRegex: function () {
var IDENT = '(?:' + '[a-zA-Z_$][\\w.:$\\-*]*' + ')';
var NUMBER = '(?:' + '[-+]?[0-9]*\\.?[0-9]+(?:[eE][-+]?[0-9]+)?' + ')';
var SQUOTE_STRING = '(?:' + '\'(?:[^\'\\\\]|\\\\.)*\'' + ')';
var DQUOTE_STRING = '(?:' + '"(?:[^"\\\\]|\\\\.)*"' + ')';
var STRING = '(?:' + SQUOTE_STRING + '|' + DQUOTE_STRING + ')';
var ARGUMENT = '(?:' + IDENT + '|' + NUMBER + '|' + STRING + '\\s*' + ')';
var ARGUMENTS = '(?:' + ARGUMENT + '(?:,\\s*' + ARGUMENT + ')*' + ')';
var ARGUMENT_LIST = '(?:' + '\\(\\s*' + '(?:' + ARGUMENTS + '?' + ')' + '\\)\\s*' + ')';
var BINDING = '(' + IDENT + '\\s*' + ARGUMENT_LIST + '?' + ')';
var OPEN_BRACKET = '(\\[\\[|{{)' + '\\s*';
var CLOSE_BRACKET = '(?:]]|}})';
var NEGATE = '(?:(!)\\s*)?';
var EXPRESSION = OPEN_BRACKET + NEGATE + BINDING + CLOSE_BRACKET;
return new RegExp(EXPRESSION, 'g');
}(),
_parseBindings: function (text) {
var re = this._bindingRegex;
var parts = [];
var lastIndex = 0;
var m;
while ((m = re.exec(text)) !== null) {
if (m.index > lastIndex) {
parts.push({ literal: text.slice(lastIndex, m.index) });
}
var mode = m[1][0];
var negate = Boolean(m[2]);
var value = m[3].trim();
var customEvent, notifyEvent, colon;
if (mode == '{' && (colon = value.indexOf('::')) > 0) {
notifyEvent = value.substring(colon + 2);
value = value.substring(0, colon);
customEvent = true;
}
parts.push({
compoundIndex: parts.length,
value: value,
mode: mode,
negate: negate,
event: notifyEvent,
customEvent: customEvent
});
lastIndex = re.lastIndex;
}
if (lastIndex && lastIndex < text.length) {
var literal = text.substring(lastIndex);
if (literal) {
parts.push({ literal: literal });
}
}
if (parts.length) {
return parts;
}
},
_literalFromParts: function (parts) {
var s = '';
for (var i = 0; i < parts.length; i++) {
var literal = parts[i].literal;
s += literal || '';
}
return s;
},
_parseTextNodeAnnotation: function (node, list) {
var parts = this._parseBindings(node.textContent);
if (parts) {
node.textContent = this._literalFromParts(parts) || ' ';
var annote = {
bindings: [{
kind: 'text',
name: 'textContent',
parts: parts,
isCompound: parts.length !== 1
}]
};
list.push(annote);
return annote;
}
},
_parseElementAnnotations: function (element, list, stripWhiteSpace) {
var annote = {
bindings: [],
events: []
};
if (element.localName === 'content') {
list._hasContent = true;
}
this._parseChildNodesAnnotations(element, annote, list, stripWhiteSpace);
if (element.attributes) {
this._parseNodeAttributeAnnotations(element, annote, list);
if (this.prepElement) {
this.prepElement(element);
}
}
if (annote.bindings.length || annote.events.length || annote.id) {
list.push(annote);
}
return annote;
},
_parseChildNodesAnnotations: function (root, annote, list, stripWhiteSpace) {
if (root.firstChild) {
var node = root.firstChild;
var i = 0;
while (node) {
var next = node.nextSibling;
if (node.localName === 'template' && !node.hasAttribute('preserve-content')) {
this._parseTemplate(node, i, list, annote, stripWhiteSpace);
}
if (node.localName == 'slot') {
node = this._replaceSlotWithContent(node);
}
if (node.nodeType === Node.TEXT_NODE) {
var n = next;
while (n && n.nodeType === Node.TEXT_NODE) {
node.textContent += n.textContent;
next = n.nextSibling;
root.removeChild(n);
n = next;
}
if (stripWhiteSpace && !node.textContent.trim()) {
root.removeChild(node);
i--;
}
}
if (node.parentNode) {
var childAnnotation = this._parseNodeAnnotations(node, list, stripWhiteSpace);
if (childAnnotation) {
childAnnotation.parent = annote;
childAnnotation.index = i;
}
}
node = next;
i++;
}
}
},
_replaceSlotWithContent: function (slot) {
var content = slot.ownerDocument.createElement('content');
while (slot.firstChild) {
content.appendChild(slot.firstChild);
}
var attrs = slot.attributes;
for (var i = 0; i < attrs.length; i++) {
var attr = attrs[i];
content.setAttribute(attr.name, attr.value);
}
var name = slot.getAttribute('name');
if (name) {
content.setAttribute('select', '[slot=\'' + name + '\']');
}
slot.parentNode.replaceChild(content, slot);
return content;
},
_parseTemplate: function (node, index, list, parent, stripWhiteSpace) {
var content = document.createDocumentFragment();
content._notes = this.parseAnnotations(node, stripWhiteSpace);
content.appendChild(node.content);
list.push({
bindings: Polymer.nar,
events: Polymer.nar,
templateContent: content,
parent: parent,
index: index
});
},
_parseNodeAttributeAnnotations: function (node, annotation) {
var attrs = Array.prototype.slice.call(node.attributes);
for (var i = attrs.length - 1, a; a = attrs[i]; i--) {
var n = a.name;
var v = a.value;
var b;
if (n.slice(0, 3) === 'on-') {
node.removeAttribute(n);
annotation.events.push({
name: n.slice(3),
value: v
});
} else if (b = this._parseNodeAttributeAnnotation(node, n, v)) {
annotation.bindings.push(b);
} else if (n === 'id') {
annotation.id = v;
}
}
},
_parseNodeAttributeAnnotation: function (node, name, value) {
var parts = this._parseBindings(value);
if (parts) {
var origName = name;
var kind = 'property';
if (name[name.length - 1] == '$') {
name = name.slice(0, -1);
kind = 'attribute';
}
var literal = this._literalFromParts(parts);
if (literal && kind == 'attribute') {
node.setAttribute(name, literal);
}
if (node.localName === 'input' && origName === 'value') {
node.setAttribute(origName, '');
}
if (disableUpgradeEnabled && origName === 'disable-upgrade$') {
node.setAttribute(name, '');
}
node.removeAttribute(origName);
var propertyName = Polymer.CaseMap.dashToCamelCase(name);
if (kind === 'property') {
name = propertyName;
}
return {
kind: kind,
name: name,
propertyName: propertyName,
parts: parts,
literal: literal,
isCompound: parts.length !== 1
};
}
},
findAnnotatedNode: function (root, annote) {
var parent = annote.parent && Polymer.Annotations.findAnnotatedNode(root, annote.parent);
if (parent) {
for (var n = parent.firstChild, i = 0; n; n = n.nextSibling) {
if (annote.index === i++) {
return n;
}
}
} else {
return root;
}
}
};
}());(function () {
function resolveCss(cssText, ownerDocument) {
return cssText.replace(CSS_URL_RX, function (m, pre, url, post) {
return pre + '\'' + resolve(url.replace(/["']/g, ''), ownerDocument) + '\'' + post;
});
}
function resolveAttrs(element, ownerDocument) {
for (var name in URL_ATTRS) {
var a$ = URL_ATTRS[name];
for (var i = 0, l = a$.length, a, at, v; i < l && (a = a$[i]); i++) {
if (name === '*' || element.localName === name) {
at = element.attributes[a];
v = at && at.value;
if (v && v.search(BINDING_RX) < 0) {
at.value = a === 'style' ? resolveCss(v, ownerDocument) : resolve(v, ownerDocument);
}
}
}
}
}
function resolve(url, ownerDocument) {
if (url && ABS_URL.test(url)) {
return url;
}
var resolver = getUrlResolver(ownerDocument);
resolver.href = url;
return resolver.href || url;
}
var tempDoc;
var tempDocBase;
function resolveUrl(url, baseUri) {
if (!tempDoc) {
tempDoc = document.implementation.createHTMLDocument('temp');
tempDocBase = tempDoc.createElement('base');
tempDoc.head.appendChild(tempDocBase);
}
tempDocBase.href = baseUri;
return resolve(url, tempDoc);
}
function getUrlResolver(ownerDocument) {
return ownerDocument.body.__urlResolver || (ownerDocument.body.__urlResolver = ownerDocument.createElement('a'));
}
var CSS_URL_RX = /(url\()([^)]*)(\))/g;
var URL_ATTRS = {
'*': [
'href',
'src',
'style',
'url'
],
form: ['action']
};
var ABS_URL = /(^\/)|(^#)|(^[\w-\d]*:)/;
var BINDING_RX = /\{\{|\[\[/;
Polymer.ResolveUrl = {
resolveCss: resolveCss,
resolveAttrs: resolveAttrs,
resolveUrl: resolveUrl
};
}());Polymer.Path = {
root: function (path) {
var dotIndex = path.indexOf('.');
if (dotIndex === -1) {
return path;
}
return path.slice(0, dotIndex);
},
isDeep: function (path) {
return path.indexOf('.') !== -1;
},
isAncestor: function (base, path) {
return base.indexOf(path + '.') === 0;
},
isDescendant: function (base, path) {
return path.indexOf(base + '.') === 0;
},
translate: function (base, newBase, path) {
return newBase + path.slice(base.length);
},
matches: function (base, wildcard, path) {
return base === path || this.isAncestor(base, path) || Boolean(wildcard) && this.isDescendant(base, path);
}
};Polymer.Base._addFeature({
_prepAnnotations: function () {
if (!this._template) {
this._notes = [];
} else {
var self = this;
Polymer.Annotations.prepElement = function (element) {
self._prepElement(element);
};
if (this._template._content && this._template._content._notes) {
this._notes = this._template._content._notes;
} else {
this._notes = Polymer.Annotations.parseAnnotations(this._template);
this._processAnnotations(this._notes);
}
Polymer.Annotations.prepElement = null;
}
},
_processAnnotations: function (notes) {
for (var i = 0; i < notes.length; i++) {
var note = notes[i];
for (var j = 0; j < note.bindings.length; j++) {
var b = note.bindings[j];
for (var k = 0; k < b.parts.length; k++) {
var p = b.parts[k];
if (!p.literal) {
var signature = this._parseMethod(p.value);
if (signature) {
p.signature = signature;
} else {
p.model = Polymer.Path.root(p.value);
}
}
}
}
if (note.templateContent) {
this._processAnnotations(note.templateContent._notes);
var pp = note.templateContent._parentProps = this._discoverTemplateParentProps(note.templateContent._notes);
var bindings = [];
for (var prop in pp) {
var name = '_parent_' + prop;
bindings.push({
index: note.index,
kind: 'property',
name: name,
propertyName: name,
parts: [{
mode: '{',
model: prop,
value: prop
}]
});
}
note.bindings = note.bindings.concat(bindings);
}
}
},
_discoverTemplateParentProps: function (notes) {
var pp = {};
for (var i = 0, n; i < notes.length && (n = notes[i]); i++) {
for (var j = 0, b$ = n.bindings, b; j < b$.length && (b = b$[j]); j++) {
for (var k = 0, p$ = b.parts, p; k < p$.length && (p = p$[k]); k++) {
if (p.signature) {
var args = p.signature.args;
for (var kk = 0; kk < args.length; kk++) {
var model = args[kk].model;
if (model) {
pp[model] = true;
}
}
if (p.signature.dynamicFn) {
pp[p.signature.method] = true;
}
} else {
if (p.model) {
pp[p.model] = true;
}
}
}
}
if (n.templateContent) {
var tpp = n.templateContent._parentProps;
Polymer.Base.mixin(pp, tpp);
}
}
return pp;
},
_prepElement: function (element) {
Polymer.ResolveUrl.resolveAttrs(element, this._template.ownerDocument);
},
_findAnnotatedNode: Polymer.Annotations.findAnnotatedNode,
_marshalAnnotationReferences: function () {
if (this._template) {
this._marshalIdNodes();
this._marshalAnnotatedNodes();
this._marshalAnnotatedListeners();
}
},
_configureAnnotationReferences: function () {
var notes = this._notes;
var nodes = this._nodes;
for (var i = 0; i < notes.length; i++) {
var note = notes[i];
var node = nodes[i];
this._configureTemplateContent(note, node);
this._configureCompoundBindings(note, node);
}
},
_configureTemplateContent: function (note, node) {
if (note.templateContent) {
node._content = note.templateContent;
}
},
_configureCompoundBindings: function (note, node) {
var bindings = note.bindings;
for (var i = 0; i < bindings.length; i++) {
var binding = bindings[i];
if (binding.isCompound) {
var storage = node.__compoundStorage__ || (node.__compoundStorage__ = {});
var parts = binding.parts;
var literals = new Array(parts.length);
for (var j = 0; j < parts.length; j++) {
literals[j] = parts[j].literal;
}
var name = binding.name;
storage[name] = literals;
if (binding.literal && binding.kind == 'property') {
if (node._configValue) {
node._configValue(name, binding.literal);
} else {
node[name] = binding.literal;
}
}
}
}
},
_marshalIdNodes: function () {
this.$ = {};
for (var i = 0, l = this._notes.length, a; i < l && (a = this._notes[i]); i++) {
if (a.id) {
this.$[a.id] = this._findAnnotatedNode(this.root, a);
}
}
},
_marshalAnnotatedNodes: function () {
if (this._notes && this._notes.length) {
var r = new Array(this._notes.length);
for (var i = 0; i < this._notes.length; i++) {
r[i] = this._findAnnotatedNode(this.root, this._notes[i]);
}
this._nodes = r;
}
},
_marshalAnnotatedListeners: function () {
for (var i = 0, l = this._notes.length, a; i < l && (a = this._notes[i]); i++) {
if (a.events && a.events.length) {
var node = this._findAnnotatedNode(this.root, a);
for (var j = 0, e$ = a.events, e; j < e$.length && (e = e$[j]); j++) {
this.listen(node, e.name, e.value);
}
}
}
}
});Polymer.Base._addFeature({
listeners: {},
_listenListeners: function (listeners) {
var node, name, eventName;
for (eventName in listeners) {
if (eventName.indexOf('.') < 0) {
node = this;
name = eventName;
} else {
name = eventName.split('.');
node = this.$[name[0]];
name = name[1];
}
this.listen(node, name, listeners[eventName]);
}
},
listen: function (node, eventName, methodName) {
var handler = this._recallEventHandler(this, eventName, node, methodName);
if (!handler) {
handler = this._createEventHandler(node, eventName, methodName);
}
if (handler._listening) {
return;
}
this._listen(node, eventName, handler);
handler._listening = true;
},
_boundListenerKey: function (eventName, methodName) {
return eventName + ':' + methodName;
},
_recordEventHandler: function (host, eventName, target, methodName, handler) {
var hbl = host.__boundListeners;
if (!hbl) {
hbl = host.__boundListeners = new WeakMap();
}
var bl = hbl.get(target);
if (!bl) {
bl = {};
if (!Polymer.Settings.isIE || target != window) {
hbl.set(target, bl);
}
}
var key = this._boundListenerKey(eventName, methodName);
bl[key] = handler;
},
_recallEventHandler: function (host, eventName, target, methodName) {
var hbl = host.__boundListeners;
if (!hbl) {
return;
}
var bl = hbl.get(target);
if (!bl) {
return;
}
var key = this._boundListenerKey(eventName, methodName);
return bl[key];
},
_createEventHandler: function (node, eventName, methodName) {
var host = this;
var handler = function (e) {
if (host[methodName]) {
host[methodName](e, e.detail);
} else {
host._warn(host._logf('_createEventHandler', 'listener method `' + methodName + '` not defined'));
}
};
handler._listening = false;
this._recordEventHandler(host, eventName, node, methodName, handler);
return handler;
},
unlisten: function (node, eventName, methodName) {
var handler = this._recallEventHandler(this, eventName, node, methodName);
if (handler) {
this._unlisten(node, eventName, handler);
handler._listening = false;
}
},
_listen: function (node, eventName, handler) {
node.addEventListener(eventName, handler);
},
_unlisten: function (node, eventName, handler) {
node.removeEventListener(eventName, handler);
}
});(function () {
'use strict';
var wrap = Polymer.DomApi.wrap;
var HAS_NATIVE_TA = typeof document.head.style.touchAction === 'string';
var GESTURE_KEY = '__polymerGestures';
var HANDLED_OBJ = '__polymerGesturesHandled';
var TOUCH_ACTION = '__polymerGesturesTouchAction';
var TAP_DISTANCE = 25;
var TRACK_DISTANCE = 5;
var TRACK_LENGTH = 2;
var MOUSE_TIMEOUT = 2500;
var MOUSE_EVENTS = [
'mousedown',
'mousemove',
'mouseup',
'click'
];
var MOUSE_WHICH_TO_BUTTONS = [
0,
1,
4,
2
];
var MOUSE_HAS_BUTTONS = function () {
try {
return new MouseEvent('test', { buttons: 1 }).buttons === 1;
} catch (e) {
return false;
}
}();
var SUPPORTS_PASSIVE = false;
(function () {
try {
var opts = Object.defineProperty({}, 'passive', {
get: function () {
SUPPORTS_PASSIVE = true;
}
});
window.addEventListener('test', null, opts);
window.removeEventListener('test', null, opts);
} catch (e) {
}
}());
var IS_TOUCH_ONLY = navigator.userAgent.match(/iP(?:[oa]d|hone)|Android/);
var mouseCanceller = function (mouseEvent) {
var sc = mouseEvent.sourceCapabilities;
if (sc && !sc.firesTouchEvents) {
return;
}
mouseEvent[HANDLED_OBJ] = { skip: true };
if (mouseEvent.type === 'click') {
var path = Polymer.dom(mouseEvent).path;
for (var i = 0; i < path.length; i++) {
if (path[i] === POINTERSTATE.mouse.target) {
return;
}
}
mouseEvent.preventDefault();
mouseEvent.stopPropagation();
}
};
function setupTeardownMouseCanceller(setup) {
var events = IS_TOUCH_ONLY ? ['click'] : MOUSE_EVENTS;
for (var i = 0, en; i < events.length; i++) {
en = events[i];
if (setup) {
document.addEventListener(en, mouseCanceller, true);
} else {
document.removeEventListener(en, mouseCanceller, true);
}
}
}
function ignoreMouse(ev) {
if (!POINTERSTATE.mouse.mouseIgnoreJob) {
setupTeardownMouseCanceller(true);
}
var unset = function () {
setupTeardownMouseCanceller();
POINTERSTATE.mouse.target = null;
POINTERSTATE.mouse.mouseIgnoreJob = null;
};
POINTERSTATE.mouse.target = Polymer.dom(ev).rootTarget;
POINTERSTATE.mouse.mouseIgnoreJob = Polymer.Debounce(POINTERSTATE.mouse.mouseIgnoreJob, unset, MOUSE_TIMEOUT);
}
function hasLeftMouseButton(ev) {
var type = ev.type;
if (MOUSE_EVENTS.indexOf(type) === -1) {
return false;
}
if (type === 'mousemove') {
var buttons = ev.buttons === undefined ? 1 : ev.buttons;
if (ev instanceof window.MouseEvent && !MOUSE_HAS_BUTTONS) {
buttons = MOUSE_WHICH_TO_BUTTONS[ev.which] || 0;
}
return Boolean(buttons & 1);
} else {
var button = ev.button === undefined ? 0 : ev.button;
return button === 0;
}
}
function isSyntheticClick(ev) {
if (ev.type === 'click') {
if (ev.detail === 0) {
return true;
}
var t = Gestures.findOriginalTarget(ev);
var bcr = t.getBoundingClientRect();
var x = ev.pageX, y = ev.pageY;
return !(x >= bcr.left && x <= bcr.right && (y >= bcr.top && y <= bcr.bottom));
}
return false;
}
var POINTERSTATE = {
mouse: {
target: null,
mouseIgnoreJob: null
},
touch: {
x: 0,
y: 0,
id: -1,
scrollDecided: false
}
};
function firstTouchAction(ev) {
var path = Polymer.dom(ev).path;
var ta = 'auto';
for (var i = 0, n; i < path.length; i++) {
n = path[i];
if (n[TOUCH_ACTION]) {
ta = n[TOUCH_ACTION];
break;
}
}
return ta;
}
function trackDocument(stateObj, movefn, upfn) {
stateObj.movefn = movefn;
stateObj.upfn = upfn;
document.addEventListener('mousemove', movefn);
document.addEventListener('mouseup', upfn);
}
function untrackDocument(stateObj) {
document.removeEventListener('mousemove', stateObj.movefn);
document.removeEventListener('mouseup', stateObj.upfn);
stateObj.movefn = null;
stateObj.upfn = null;
}
document.addEventListener('touchend', ignoreMouse, SUPPORTS_PASSIVE ? { passive: true } : false);
var Gestures = {
gestures: {},
recognizers: [],
deepTargetFind: function (x, y) {
var node = document.elementFromPoint(x, y);
var next = node;
while (next && next.shadowRoot) {
next = next.shadowRoot.elementFromPoint(x, y);
if (next) {
node = next;
}
}
return node;
},
findOriginalTarget: function (ev) {
if (ev.path) {
return ev.path[0];
}
return ev.target;
},
handleNative: function (ev) {
var handled;
var type = ev.type;
var node = wrap(ev.currentTarget);
var gobj = node[GESTURE_KEY];
if (!gobj) {
return;
}
var gs = gobj[type];
if (!gs) {
return;
}
if (!ev[HANDLED_OBJ]) {
ev[HANDLED_OBJ] = {};
if (type.slice(0, 5) === 'touch') {
var t = ev.changedTouches[0];
if (type === 'touchstart') {
if (ev.touches.length === 1) {
POINTERSTATE.touch.id = t.identifier;
}
}
if (POINTERSTATE.touch.id !== t.identifier) {
return;
}
if (!HAS_NATIVE_TA) {
if (type === 'touchstart' || type === 'touchmove') {
Gestures.handleTouchAction(ev);
}
}
}
}
handled = ev[HANDLED_OBJ];
if (handled.skip) {
return;
}
var recognizers = Gestures.recognizers;
for (var i = 0, r; i < recognizers.length; i++) {
r = recognizers[i];
if (gs[r.name] && !handled[r.name]) {
if (r.flow && r.flow.start.indexOf(ev.type) > -1 && r.reset) {
r.reset();
}
}
}
for (i = 0, r; i < recognizers.length; i++) {
r = recognizers[i];
if (gs[r.name] && !handled[r.name]) {
handled[r.name] = true;
r[type](ev);
}
}
},
handleTouchAction: function (ev) {
var t = ev.changedTouches[0];
var type = ev.type;
if (type === 'touchstart') {
POINTERSTATE.touch.x = t.clientX;
POINTERSTATE.touch.y = t.clientY;
POINTERSTATE.touch.scrollDecided = false;
} else if (type === 'touchmove') {
if (POINTERSTATE.touch.scrollDecided) {
return;
}
POINTERSTATE.touch.scrollDecided = true;
var ta = firstTouchAction(ev);
var prevent = false;
var dx = Math.abs(POINTERSTATE.touch.x - t.clientX);
var dy = Math.abs(POINTERSTATE.touch.y - t.clientY);
if (!ev.cancelable) {
} else if (ta === 'none') {
prevent = true;
} else if (ta === 'pan-x') {
prevent = dy > dx;
} else if (ta === 'pan-y') {
prevent = dx > dy;
}
if (prevent) {
ev.preventDefault();
} else {
Gestures.prevent('track');
}
}
},
add: function (node, evType, handler) {
node = wrap(node);
var recognizer = this.gestures[evType];
var deps = recognizer.deps;
var name = recognizer.name;
var gobj = node[GESTURE_KEY];
if (!gobj) {
node[GESTURE_KEY] = gobj = {};
}
for (var i = 0, dep, gd; i < deps.length; i++) {
dep = deps[i];
if (IS_TOUCH_ONLY && MOUSE_EVENTS.indexOf(dep) > -1 && dep !== 'click') {
continue;
}
gd = gobj[dep];
if (!gd) {
gobj[dep] = gd = { _count: 0 };
}
if (gd._count === 0) {
node.addEventListener(dep, this.handleNative);
}
gd[name] = (gd[name] || 0) + 1;
gd._count = (gd._count || 0) + 1;
}
node.addEventListener(evType, handler);
if (recognizer.touchAction) {
this.setTouchAction(node, recognizer.touchAction);
}
},
remove: function (node, evType, handler) {
node = wrap(node);
var recognizer = this.gestures[evType];
var deps = recognizer.deps;
var name = recognizer.name;
var gobj = node[GESTURE_KEY];
if (gobj) {
for (var i = 0, dep, gd; i < deps.length; i++) {
dep = deps[i];
gd = gobj[dep];
if (gd && gd[name]) {
gd[name] = (gd[name] || 1) - 1;
gd._count = (gd._count || 1) - 1;
if (gd._count === 0) {
node.removeEventListener(dep, this.handleNative);
}
}
}
}
node.removeEventListener(evType, handler);
},
register: function (recog) {
this.recognizers.push(recog);
for (var i = 0; i < recog.emits.length; i++) {
this.gestures[recog.emits[i]] = recog;
}
},
findRecognizerByEvent: function (evName) {
for (var i = 0, r; i < this.recognizers.length; i++) {
r = this.recognizers[i];
for (var j = 0, n; j < r.emits.length; j++) {
n = r.emits[j];
if (n === evName) {
return r;
}
}
}
return null;
},
setTouchAction: function (node, value) {
if (HAS_NATIVE_TA) {
node.style.touchAction = value;
}
node[TOUCH_ACTION] = value;
},
fire: function (target, type, detail) {
var ev = Polymer.Base.fire(type, detail, {
node: target,
bubbles: true,
cancelable: true
});
if (ev.defaultPrevented) {
var preventer = detail.preventer || detail.sourceEvent;
if (preventer && preventer.preventDefault) {
preventer.preventDefault();
}
}
},
prevent: function (evName) {
var recognizer = this.findRecognizerByEvent(evName);
if (recognizer.info) {
recognizer.info.prevent = true;
}
},
resetMouseCanceller: function () {
if (POINTERSTATE.mouse.mouseIgnoreJob) {
POINTERSTATE.mouse.mouseIgnoreJob.complete();
}
}
};
Gestures.register({
name: 'downup',
deps: [
'mousedown',
'touchstart',
'touchend'
],
flow: {
start: [
'mousedown',
'touchstart'
],
end: [
'mouseup',
'touchend'
]
},
emits: [
'down',
'up'
],
info: {
movefn: null,
upfn: null
},
reset: function () {
untrackDocument(this.info);
},
mousedown: function (e) {
if (!hasLeftMouseButton(e)) {
return;
}
var t = Gestures.findOriginalTarget(e);
var self = this;
var movefn = function movefn(e) {
if (!hasLeftMouseButton(e)) {
self.fire('up', t, e);
untrackDocument(self.info);
}
};
var upfn = function upfn(e) {
if (hasLeftMouseButton(e)) {
self.fire('up', t, e);
}
untrackDocument(self.info);
};
trackDocument(this.info, movefn, upfn);
this.fire('down', t, e);
},
touchstart: function (e) {
this.fire('down', Gestures.findOriginalTarget(e), e.changedTouches[0], e);
},
touchend: function (e) {
this.fire('up', Gestures.findOriginalTarget(e), e.changedTouches[0], e);
},
fire: function (type, target, event, preventer) {
Gestures.fire(target, type, {
x: event.clientX,
y: event.clientY,
sourceEvent: event,
preventer: preventer,
prevent: function (e) {
return Gestures.prevent(e);
}
});
}
});
Gestures.register({
name: 'track',
touchAction: 'none',
deps: [
'mousedown',
'touchstart',
'touchmove',
'touchend'
],
flow: {
start: [
'mousedown',
'touchstart'
],
end: [
'mouseup',
'touchend'
]
},
emits: ['track'],
info: {
x: 0,
y: 0,
state: 'start',
started: false,
moves: [],
addMove: function (move) {
if (this.moves.length > TRACK_LENGTH) {
this.moves.shift();
}
this.moves.push(move);
},
movefn: null,
upfn: null,
prevent: false
},
reset: function () {
this.info.state = 'start';
this.info.started = false;
this.info.moves = [];
this.info.x = 0;
this.info.y = 0;
this.info.prevent = false;
untrackDocument(this.info);
},
hasMovedEnough: function (x, y) {
if (this.info.prevent) {
return false;
}
if (this.info.started) {
return true;
}
var dx = Math.abs(this.info.x - x);
var dy = Math.abs(this.info.y - y);
return dx >= TRACK_DISTANCE || dy >= TRACK_DISTANCE;
},
mousedown: function (e) {
if (!hasLeftMouseButton(e)) {
return;
}
var t = Gestures.findOriginalTarget(e);
var self = this;
var movefn = function movefn(e) {
var x = e.clientX, y = e.clientY;
if (self.hasMovedEnough(x, y)) {
self.info.state = self.info.started ? e.type === 'mouseup' ? 'end' : 'track' : 'start';
if (self.info.state === 'start') {
Gestures.prevent('tap');
}
self.info.addMove({
x: x,
y: y
});
if (!hasLeftMouseButton(e)) {
self.info.state = 'end';
untrackDocument(self.info);
}
self.fire(t, e);
self.info.started = true;
}
};
var upfn = function upfn(e) {
if (self.info.started) {
movefn(e);
}
untrackDocument(self.info);
};
trackDocument(this.info, movefn, upfn);
this.info.x = e.clientX;
this.info.y = e.clientY;
},
touchstart: function (e) {
var ct = e.changedTouches[0];
this.info.x = ct.clientX;
this.info.y = ct.clientY;
},
touchmove: function (e) {
var t = Gestures.findOriginalTarget(e);
var ct = e.changedTouches[0];
var x = ct.clientX, y = ct.clientY;
if (this.hasMovedEnough(x, y)) {
if (this.info.state === 'start') {
Gestures.prevent('tap');
}
this.info.addMove({
x: x,
y: y
});
this.fire(t, ct);
this.info.state = 'track';
this.info.started = true;
}
},
touchend: function (e) {
var t = Gestures.findOriginalTarget(e);
var ct = e.changedTouches[0];
if (this.info.started) {
this.info.state = 'end';
this.info.addMove({
x: ct.clientX,
y: ct.clientY
});
this.fire(t, ct, e);
}
},
fire: function (target, touch, preventer) {
var secondlast = this.info.moves[this.info.moves.length - 2];
var lastmove = this.info.moves[this.info.moves.length - 1];
var dx = lastmove.x - this.info.x;
var dy = lastmove.y - this.info.y;
var ddx, ddy = 0;
if (secondlast) {
ddx = lastmove.x - secondlast.x;
ddy = lastmove.y - secondlast.y;
}
return Gestures.fire(target, 'track', {
state: this.info.state,
x: touch.clientX,
y: touch.clientY,
dx: dx,
dy: dy,
ddx: ddx,
ddy: ddy,
sourceEvent: touch,
preventer: preventer,
hover: function () {
return Gestures.deepTargetFind(touch.clientX, touch.clientY);
}
});
}
});
Gestures.register({
name: 'tap',
deps: [
'mousedown',
'click',
'touchstart',
'touchend'
],
flow: {
start: [
'mousedown',
'touchstart'
],
end: [
'click',
'touchend'
]
},
emits: ['tap'],
info: {
x: NaN,
y: NaN,
prevent: false
},
reset: function () {
this.info.x = NaN;
this.info.y = NaN;
this.info.prevent = false;
},
save: function (e) {
this.info.x = e.clientX;
this.info.y = e.clientY;
},
mousedown: function (e) {
if (hasLeftMouseButton(e)) {
this.save(e);
}
},
click: function (e) {
if (hasLeftMouseButton(e)) {
this.forward(e);
}
},
touchstart: function (e) {
this.save(e.changedTouches[0], e);
},
touchend: function (e) {
this.forward(e.changedTouches[0], e);
},
forward: function (e, preventer) {
var dx = Math.abs(e.clientX - this.info.x);
var dy = Math.abs(e.clientY - this.info.y);
var t = Gestures.findOriginalTarget(e);
if (isNaN(dx) || isNaN(dy) || dx <= TAP_DISTANCE && dy <= TAP_DISTANCE || isSyntheticClick(e)) {
if (!this.info.prevent) {
Gestures.fire(t, 'tap', {
x: e.clientX,
y: e.clientY,
sourceEvent: e,
preventer: preventer
});
}
}
}
});
var DIRECTION_MAP = {
x: 'pan-x',
y: 'pan-y',
none: 'none',
all: 'auto'
};
Polymer.Base._addFeature({
_setupGestures: function () {
this.__polymerGestures = null;
},
_listen: function (node, eventName, handler) {
if (Gestures.gestures[eventName]) {
Gestures.add(node, eventName, handler);
} else {
node.addEventListener(eventName, handler);
}
},
_unlisten: function (node, eventName, handler) {
if (Gestures.gestures[eventName]) {
Gestures.remove(node, eventName, handler);
} else {
node.removeEventListener(eventName, handler);
}
},
setScrollDirection: function (direction, node) {
node = node || this;
Gestures.setTouchAction(node, DIRECTION_MAP[direction] || 'auto');
}
});
Polymer.Gestures = Gestures;
}());(function () {
'use strict';
Polymer.Base._addFeature({
$$: function (slctr) {
return Polymer.dom(this.root).querySelector(slctr);
},
toggleClass: function (name, bool, node) {
node = node || this;
if (arguments.length == 1) {
bool = !node.classList.contains(name);
}
if (bool) {
Polymer.dom(node).classList.add(name);
} else {
Polymer.dom(node).classList.remove(name);
}
},
toggleAttribute: function (name, bool, node) {
node = node || this;
if (arguments.length == 1) {
bool = !node.hasAttribute(name);
}
if (bool) {
Polymer.dom(node).setAttribute(name, '');
} else {
Polymer.dom(node).removeAttribute(name);
}
},
classFollows: function (name, toElement, fromElement) {
if (fromElement) {
Polymer.dom(fromElement).classList.remove(name);
}
if (toElement) {
Polymer.dom(toElement).classList.add(name);
}
},
attributeFollows: function (name, toElement, fromElement) {
if (fromElement) {
Polymer.dom(fromElement).removeAttribute(name);
}
if (toElement) {
Polymer.dom(toElement).setAttribute(name, '');
}
},
getEffectiveChildNodes: function () {
return Polymer.dom(this).getEffectiveChildNodes();
},
getEffectiveChildren: function () {
var list = Polymer.dom(this).getEffectiveChildNodes();
return list.filter(function (n) {
return n.nodeType === Node.ELEMENT_NODE;
});
},
getEffectiveTextContent: function () {
var cn = this.getEffectiveChildNodes();
var tc = [];
for (var i = 0, c; c = cn[i]; i++) {
if (c.nodeType !== Node.COMMENT_NODE) {
tc.push(Polymer.dom(c).textContent);
}
}
return tc.join('');
},
queryEffectiveChildren: function (slctr) {
var e$ = Polymer.dom(this).queryDistributedElements(slctr);
return e$ && e$[0];
},
queryAllEffectiveChildren: function (slctr) {
return Polymer.dom(this).queryDistributedElements(slctr);
},
getContentChildNodes: function (slctr) {
var content = Polymer.dom(this.root).querySelector(slctr || 'content');
return content ? Polymer.dom(content).getDistributedNodes() : [];
},
getContentChildren: function (slctr) {
return this.getContentChildNodes(slctr).filter(function (n) {
return n.nodeType === Node.ELEMENT_NODE;
});
},
fire: function (type, detail, options) {
options = options || Polymer.nob;
var node = options.node || this;
detail = detail === null || detail === undefined ? {} : detail;
var bubbles = options.bubbles === undefined ? true : options.bubbles;
var cancelable = Boolean(options.cancelable);
var useCache = options._useCache;
var event = this._getEvent(type, bubbles, cancelable, useCache);
event.detail = detail;
if (useCache) {
this.__eventCache[type] = null;
}
node.dispatchEvent(event);
if (useCache) {
this.__eventCache[type] = event;
}
return event;
},
__eventCache: {},
_getEvent: function (type, bubbles, cancelable, useCache) {
var event = useCache && this.__eventCache[type];
if (!event || (event.bubbles != bubbles || event.cancelable != cancelable)) {
event = new Event(type, {
bubbles: Boolean(bubbles),
cancelable: cancelable
});
}
return event;
},
async: function (callback, waitTime) {
var self = this;
return Polymer.Async.run(function () {
callback.call(self);
}, waitTime);
},
cancelAsync: function (handle) {
Polymer.Async.cancel(handle);
},
arrayDelete: function (path, item) {
var index;
if (Array.isArray(path)) {
index = path.indexOf(item);
if (index >= 0) {
return path.splice(index, 1);
}
} else {
var arr = this._get(path);
index = arr.indexOf(item);
if (index >= 0) {
return this.splice(path, index, 1);
}
}
},
transform: function (transform, node) {
node = node || this;
node.style.webkitTransform = transform;
node.style.transform = transform;
},
translate3d: function (x, y, z, node) {
node = node || this;
this.transform('translate3d(' + x + ',' + y + ',' + z + ')', node);
},
importHref: function (href, onload, onerror, optAsync) {
var link = document.createElement('link');
link.rel = 'import';
link.href = href;
var list = Polymer.Base.importHref.imported = Polymer.Base.importHref.imported || {};
var cached = list[link.href];
var imprt = cached || link;
var self = this;
var loadListener = function (e) {
e.target.__firedLoad = true;
e.target.removeEventListener('load', loadListener);
e.target.removeEventListener('error', errorListener);
return onload.call(self, e);
};
var errorListener = function (e) {
e.target.__firedError = true;
e.target.removeEventListener('load', loadListener);
e.target.removeEventListener('error', errorListener);
return onerror.call(self, e);
};
if (onload) {
imprt.addEventListener('load', loadListener);
}
if (onerror) {
imprt.addEventListener('error', errorListener);
}
if (cached) {
if (cached.__firedLoad) {
cached.dispatchEvent(new Event('load'));
}
if (cached.__firedError) {
cached.dispatchEvent(new Event('error'));
}
} else {
list[link.href] = link;
optAsync = Boolean(optAsync);
if (optAsync) {
link.setAttribute('async', '');
}
document.head.appendChild(link);
}
return imprt;
},
create: function (tag, props) {
var elt = document.createElement(tag);
if (props) {
for (var n in props) {
elt[n] = props[n];
}
}
return elt;
},
isLightDescendant: function (node) {
return this !== node && this.contains(node) && Polymer.dom(this).getOwnerRoot() === Polymer.dom(node).getOwnerRoot();
},
isLocalDescendant: function (node) {
return this.root === Polymer.dom(node).getOwnerRoot();
}
});
if (!Polymer.Settings.useNativeCustomElements) {
var importHref = Polymer.Base.importHref;
Polymer.Base.importHref = function (href, onload, onerror, optAsync) {
CustomElements.ready = false;
var loadFn = function (e) {
CustomElements.upgradeDocumentTree(document);
CustomElements.ready = true;
if (onload) {
return onload.call(this, e);
}
};
return importHref.call(this, href, loadFn, onerror, optAsync);
};
}
}());Polymer.Bind = {
prepareModel: function (model) {
Polymer.Base.mixin(model, this._modelApi);
},
_modelApi: {
_notifyChange: function (source, event, value) {
value = value === undefined ? this[source] : value;
event = event || Polymer.CaseMap.camelToDashCase(source) + '-changed';
this.fire(event, { value: value }, {
bubbles: false,
cancelable: false,
_useCache: Polymer.Settings.eventDataCache || !Polymer.Settings.isIE
});
},
_propertySetter: function (property, value, effects, fromAbove) {
var old = this.__data__[property];
if (old !== value && (old === old || value === value)) {
this.__data__[property] = value;
if (typeof value == 'object') {
this._clearPath(property);
}
if (this._propertyChanged) {
this._propertyChanged(property, value, old);
}
if (effects) {
this._effectEffects(property, value, effects, old, fromAbove);
}
}
return old;
},
__setProperty: function (property, value, quiet, node) {
node = node || this;
var effects = node._propertyEffects && node._propertyEffects[property];
if (effects) {
node._propertySetter(property, value, effects, quiet);
} else if (node[property] !== value) {
node[property] = value;
}
},
_effectEffects: function (property, value, effects, old, fromAbove) {
for (var i = 0, l = effects.length, fx; i < l && (fx = effects[i]); i++) {
fx.fn.call(this, property, this[property], fx.effect, old, fromAbove);
}
},
_clearPath: function (path) {
for (var prop in this.__data__) {
if (Polymer.Path.isDescendant(path, prop)) {
this.__data__[prop] = undefined;
}
}
}
},
ensurePropertyEffects: function (model, property) {
if (!model._propertyEffects) {
model._propertyEffects = {};
}
var fx = model._propertyEffects[property];
if (!fx) {
fx = model._propertyEffects[property] = [];
}
return fx;
},
addPropertyEffect: function (model, property, kind, effect) {
var fx = this.ensurePropertyEffects(model, property);
var propEffect = {
kind: kind,
effect: effect,
fn: Polymer.Bind['_' + kind + 'Effect']
};
fx.push(propEffect);
return propEffect;
},
createBindings: function (model) {
var fx$ = model._propertyEffects;
if (fx$) {
for (var n in fx$) {
var fx = fx$[n];
fx.sort(this._sortPropertyEffects);
this._createAccessors(model, n, fx);
}
}
},
_sortPropertyEffects: function () {
var EFFECT_ORDER = {
'compute': 0,
'annotation': 1,
'annotatedComputation': 2,
'reflect': 3,
'notify': 4,
'observer': 5,
'complexObserver': 6,
'function': 7
};
return function (a, b) {
return EFFECT_ORDER[a.kind] - EFFECT_ORDER[b.kind];
};
}(),
_createAccessors: function (model, property, effects) {
var defun = {
get: function () {
return this.__data__[property];
}
};
var setter = function (value) {
this._propertySetter(property, value, effects);
};
var info = model.getPropertyInfo && model.getPropertyInfo(property);
if (info && info.readOnly) {
if (!info.computed) {
model['_set' + this.upper(property)] = setter;
}
} else {
defun.set = setter;
}
Object.defineProperty(model, property, defun);
},
upper: function (name) {
return name[0].toUpperCase() + name.substring(1);
},
_addAnnotatedListener: function (model, index, property, path, event, negated) {
if (!model._bindListeners) {
model._bindListeners = [];
}
var fn = this._notedListenerFactory(property, path, Polymer.Path.isDeep(path), negated);
var eventName = event || Polymer.CaseMap.camelToDashCase(property) + '-changed';
model._bindListeners.push({
index: index,
property: property,
path: path,
changedFn: fn,
event: eventName
});
},
_isEventBogus: function (e, target) {
return e.path && e.path[0] !== target;
},
_notedListenerFactory: function (property, path, isStructured, negated) {
return function (target, value, targetPath) {
if (targetPath) {
var newPath = Polymer.Path.translate(property, path, targetPath);
this._notifyPath(newPath, value);
} else {
value = target[property];
if (negated) {
value = !value;
}
if (!isStructured) {
this[path] = value;
} else {
if (this.__data__[path] != value) {
this.set(path, value);
}
}
}
};
},
prepareInstance: function (inst) {
inst.__data__ = Object.create(null);
},
setupBindListeners: function (inst) {
var b$ = inst._bindListeners;
for (var i = 0, l = b$.length, info; i < l && (info = b$[i]); i++) {
var node = inst._nodes[info.index];
this._addNotifyListener(node, inst, info.event, info.changedFn);
}
},
_addNotifyListener: function (element, context, event, changedFn) {
element.addEventListener(event, function (e) {
return context._notifyListener(changedFn, e);
});
}
};Polymer.Base.mixin(Polymer.Bind, {
_shouldAddListener: function (effect) {
return effect.name && effect.kind != 'attribute' && effect.kind != 'text' && !effect.isCompound && effect.parts[0].mode === '{';
},
_annotationEffect: function (source, value, effect) {
if (source != effect.value) {
value = this._get(effect.value);
this.__data__[effect.value] = value;
}
this._applyEffectValue(effect, value);
},
_reflectEffect: function (source, value, effect) {
this.reflectPropertyToAttribute(source, effect.attribute, value);
},
_notifyEffect: function (source, value, effect, old, fromAbove) {
if (!fromAbove) {
this._notifyChange(source, effect.event, value);
}
},
_functionEffect: function (source, value, fn, old, fromAbove) {
fn.call(this, source, value, old, fromAbove);
},
_observerEffect: function (source, value, effect, old) {
var fn = this[effect.method];
if (fn) {
fn.call(this, value, old);
} else {
this._warn(this._logf('_observerEffect', 'observer method `' + effect.method + '` not defined'));
}
},
_complexObserverEffect: function (source, value, effect) {
var fn = this[effect.method];
if (fn) {
var args = Polymer.Bind._marshalArgs(this.__data__, effect, source, value);
if (args) {
fn.apply(this, args);
}
} else if (effect.dynamicFn) {
} else {
this._warn(this._logf('_complexObserverEffect', 'observer method `' + effect.method + '` not defined'));
}
},
_computeEffect: function (source, value, effect) {
var fn = this[effect.method];
if (fn) {
var args = Polymer.Bind._marshalArgs(this.__data__, effect, source, value);
if (args) {
var computedvalue = fn.apply(this, args);
this.__setProperty(effect.name, computedvalue);
}
} else if (effect.dynamicFn) {
} else {
this._warn(this._logf('_computeEffect', 'compute method `' + effect.method + '` not defined'));
}
},
_annotatedComputationEffect: function (source, value, effect) {
var computedHost = this._rootDataHost || this;
var fn = computedHost[effect.method];
if (fn) {
var args = Polymer.Bind._marshalArgs(this.__data__, effect, source, value);
if (args) {
var computedvalue = fn.apply(computedHost, args);
this._applyEffectValue(effect, computedvalue);
}
} else if (effect.dynamicFn) {
} else {
computedHost._warn(computedHost._logf('_annotatedComputationEffect', 'compute method `' + effect.method + '` not defined'));
}
},
_marshalArgs: function (model, effect, path, value) {
var values = [];
var args = effect.args;
var bailoutEarly = args.length > 1 || effect.dynamicFn;
for (var i = 0, l = args.length; i < l; i++) {
var arg = args[i];
var name = arg.name;
var v;
if (arg.literal) {
v = arg.value;
} else if (path === name) {
v = value;
} else {
v = model[name];
if (v === undefined && arg.structured) {
v = Polymer.Base._get(name, model);
}
}
if (bailoutEarly && v === undefined) {
return;
}
if (arg.wildcard) {
var matches = Polymer.Path.isAncestor(path, name);
values[i] = {
path: matches ? path : name,
value: matches ? value : v,
base: v
};
} else {
values[i] = v;
}
}
return values;
}
});Polymer.Base._addFeature({
_addPropertyEffect: function (property, kind, effect) {
var prop = Polymer.Bind.addPropertyEffect(this, property, kind, effect);
prop.pathFn = this['_' + prop.kind + 'PathEffect'];
},
_prepEffects: function () {
Polymer.Bind.prepareModel(this);
this._addAnnotationEffects(this._notes);
},
_prepBindings: function () {
Polymer.Bind.createBindings(this);
},
_addPropertyEffects: function (properties) {
if (properties) {
for (var p in properties) {
var prop = properties[p];
if (prop.observer) {
this._addObserverEffect(p, prop.observer);
}
if (prop.computed) {
prop.readOnly = true;
this._addComputedEffect(p, prop.computed);
}
if (prop.notify) {
this._addPropertyEffect(p, 'notify', { event: Polymer.CaseMap.camelToDashCase(p) + '-changed' });
}
if (prop.reflectToAttribute) {
var attr = Polymer.CaseMap.camelToDashCase(p);
if (attr[0] === '-') {
this._warn(this._logf('_addPropertyEffects', 'Property ' + p + ' cannot be reflected to attribute ' + attr + ' because "-" is not a valid starting attribute name. Use a lowercase first letter for the property instead.'));
} else {
this._addPropertyEffect(p, 'reflect', { attribute: attr });
}
}
if (prop.readOnly) {
Polymer.Bind.ensurePropertyEffects(this, p);
}
}
}
},
_addComputedEffect: function (name, expression) {
var sig = this._parseMethod(expression);
var dynamicFn = sig.dynamicFn;
for (var i = 0, arg; i < sig.args.length && (arg = sig.args[i]); i++) {
this._addPropertyEffect(arg.model, 'compute', {
method: sig.method,
args: sig.args,
trigger: arg,
name: name,
dynamicFn: dynamicFn
});
}
if (dynamicFn) {
this._addPropertyEffect(sig.method, 'compute', {
method: sig.method,
args: sig.args,
trigger: null,
name: name,
dynamicFn: dynamicFn
});
}
},
_addObserverEffect: function (property, observer) {
this._addPropertyEffect(property, 'observer', {
method: observer,
property: property
});
},
_addComplexObserverEffects: function (observers) {
if (observers) {
for (var i = 0, o; i < observers.length && (o = observers[i]); i++) {
this._addComplexObserverEffect(o);
}
}
},
_addComplexObserverEffect: function (observer) {
var sig = this._parseMethod(observer);
if (!sig) {
throw new Error('Malformed observer expression \'' + observer + '\'');
}
var dynamicFn = sig.dynamicFn;
for (var i = 0, arg; i < sig.args.length && (arg = sig.args[i]); i++) {
this._addPropertyEffect(arg.model, 'complexObserver', {
method: sig.method,
args: sig.args,
trigger: arg,
dynamicFn: dynamicFn
});
}
if (dynamicFn) {
this._addPropertyEffect(sig.method, 'complexObserver', {
method: sig.method,
args: sig.args,
trigger: null,
dynamicFn: dynamicFn
});
}
},
_addAnnotationEffects: function (notes) {
for (var i = 0, note; i < notes.length && (note = notes[i]); i++) {
var b$ = note.bindings;
for (var j = 0, binding; j < b$.length && (binding = b$[j]); j++) {
this._addAnnotationEffect(binding, i);
}
}
},
_addAnnotationEffect: function (note, index) {
if (Polymer.Bind._shouldAddListener(note)) {
Polymer.Bind._addAnnotatedListener(this, index, note.name, note.parts[0].value, note.parts[0].event, note.parts[0].negate);
}
for (var i = 0; i < note.parts.length; i++) {
var part = note.parts[i];
if (part.signature) {
this._addAnnotatedComputationEffect(note, part, index);
} else if (!part.literal) {
if (note.kind === 'attribute' && note.name[0] === '-') {
this._warn(this._logf('_addAnnotationEffect', 'Cannot set attribute ' + note.name + ' because "-" is not a valid attribute starting character'));
} else {
this._addPropertyEffect(part.model, 'annotation', {
kind: note.kind,
index: index,
name: note.name,
propertyName: note.propertyName,
value: part.value,
isCompound: note.isCompound,
compoundIndex: part.compoundIndex,
event: part.event,
customEvent: part.customEvent,
negate: part.negate
});
}
}
}
},
_addAnnotatedComputationEffect: function (note, part, index) {
var sig = part.signature;
if (sig.static) {
this.__addAnnotatedComputationEffect('__static__', index, note, part, null);
} else {
for (var i = 0, arg; i < sig.args.length && (arg = sig.args[i]); i++) {
if (!arg.literal) {
this.__addAnnotatedComputationEffect(arg.model, index, note, part, arg);
}
}
if (sig.dynamicFn) {
this.__addAnnotatedComputationEffect(sig.method, index, note, part, null);
}
}
},
__addAnnotatedComputationEffect: function (property, index, note, part, trigger) {
this._addPropertyEffect(property, 'annotatedComputation', {
index: index,
isCompound: note.isCompound,
compoundIndex: part.compoundIndex,
kind: note.kind,
name: note.name,
negate: part.negate,
method: part.signature.method,
args: part.signature.args,
trigger: trigger,
dynamicFn: part.signature.dynamicFn
});
},
_parseMethod: function (expression) {
var m = expression.match(/([^\s]+?)\(([\s\S]*)\)/);
if (m) {
var sig = {
method: m[1],
static: true
};
if (this.getPropertyInfo(sig.method) !== Polymer.nob) {
sig.static = false;
sig.dynamicFn = true;
}
if (m[2].trim()) {
var args = m[2].replace(/\\,/g, ',').split(',');
return this._parseArgs(args, sig);
} else {
sig.args = Polymer.nar;
return sig;
}
}
},
_parseArgs: function (argList, sig) {
sig.args = argList.map(function (rawArg) {
var arg = this._parseArg(rawArg);
if (!arg.literal) {
sig.static = false;
}
return arg;
}, this);
return sig;
},
_parseArg: function (rawArg) {
var arg = rawArg.trim().replace(/,/g, ',').replace(/\\(.)/g, '$1');
var a = { name: arg };
var fc = arg[0];
if (fc === '-') {
fc = arg[1];
}
if (fc >= '0' && fc <= '9') {
fc = '#';
}
switch (fc) {
case '\'':
case '"':
a.value = arg.slice(1, -1);
a.literal = true;
break;
case '#':
a.value = Number(arg);
a.literal = true;
break;
}
if (!a.literal) {
a.model = Polymer.Path.root(arg);
a.structured = Polymer.Path.isDeep(arg);
if (a.structured) {
a.wildcard = arg.slice(-2) == '.*';
if (a.wildcard) {
a.name = arg.slice(0, -2);
}
}
}
return a;
},
_marshalInstanceEffects: function () {
Polymer.Bind.prepareInstance(this);
if (this._bindListeners) {
Polymer.Bind.setupBindListeners(this);
}
},
_applyEffectValue: function (info, value) {
var node = this._nodes[info.index];
var property = info.name;
value = this._computeFinalAnnotationValue(node, property, value, info);
if (info.kind == 'attribute') {
this.serializeValueToAttribute(value, property, node);
} else {
var pinfo = node._propertyInfo && node._propertyInfo[property];
if (pinfo && pinfo.readOnly) {
return;
}
this.__setProperty(property, value, Polymer.Settings.suppressBindingNotifications, node);
}
},
_computeFinalAnnotationValue: function (node, property, value, info) {
if (info.negate) {
value = !value;
}
if (info.isCompound) {
var storage = node.__compoundStorage__[property];
storage[info.compoundIndex] = value;
value = storage.join('');
}
if (info.kind !== 'attribute') {
if (property === 'className') {
value = this._scopeElementClass(node, value);
}
if (property === 'textContent' || node.localName == 'input' && property == 'value') {
value = value == undefined ? '' : value;
}
}
return value;
},
_executeStaticEffects: function () {
if (this._propertyEffects && this._propertyEffects.__static__) {
this._effectEffects('__static__', null, this._propertyEffects.__static__);
}
}
});(function () {
var usePolyfillProto = Polymer.Settings.usePolyfillProto;
Polymer.Base._addFeature({
_setupConfigure: function (initialConfig) {
this._config = {};
this._handlers = [];
this._aboveConfig = null;
if (initialConfig) {
for (var i in initialConfig) {
if (initialConfig[i] !== undefined) {
this._config[i] = initialConfig[i];
}
}
}
},
_marshalAttributes: function () {
this._takeAttributesToModel(this._config);
},
_attributeChangedImpl: function (name) {
var model = this._clientsReadied ? this : this._config;
this._setAttributeToProperty(model, name);
},
_configValue: function (name, value) {
var info = this._propertyInfo[name];
if (!info || !info.readOnly) {
this._config[name] = value;
}
},
_beforeClientsReady: function () {
this._configure();
},
_configure: function () {
this._configureAnnotationReferences();
this._configureInstanceProperties();
this._aboveConfig = this.mixin({}, this._config);
var config = {};
for (var i = 0; i < this.behaviors.length; i++) {
this._configureProperties(this.behaviors[i].properties, config);
}
this._configureProperties(this.properties, config);
this.mixin(config, this._aboveConfig);
this._config = config;
if (this._clients && this._clients.length) {
this._distributeConfig(this._config);
}
},
_configureInstanceProperties: function () {
for (var i in this._propertyEffects) {
if (!usePolyfillProto && this.hasOwnProperty(i)) {
this._configValue(i, this[i]);
delete this[i];
}
}
},
_configureProperties: function (properties, config) {
for (var i in properties) {
var c = properties[i];
if (c.value !== undefined) {
var value = c.value;
if (typeof value == 'function') {
value = value.call(this, this._config);
}
config[i] = value;
}
}
},
_distributeConfig: function (config) {
var fx$ = this._propertyEffects;
if (fx$) {
for (var p in config) {
var fx = fx$[p];
if (fx) {
for (var i = 0, l = fx.length, x; i < l && (x = fx[i]); i++) {
if (x.kind === 'annotation') {
var node = this._nodes[x.effect.index];
var name = x.effect.propertyName;
var isAttr = x.effect.kind == 'attribute';
var hasEffect = node._propertyEffects && node._propertyEffects[name];
if (node._configValue && (hasEffect || !isAttr)) {
var value = p === x.effect.value ? config[p] : this._get(x.effect.value, config);
value = this._computeFinalAnnotationValue(node, name, value, x.effect);
if (isAttr) {
value = node.deserialize(this.serialize(value), node._propertyInfo[name].type);
}
node._configValue(name, value);
}
}
}
}
}
}
},
_afterClientsReady: function () {
this._executeStaticEffects();
this._applyConfig(this._config, this._aboveConfig);
this._flushHandlers();
},
_applyConfig: function (config, aboveConfig) {
for (var n in config) {
if (this[n] === undefined) {
this.__setProperty(n, config[n], n in aboveConfig);
}
}
},
_notifyListener: function (fn, e) {
if (!Polymer.Bind._isEventBogus(e, e.target)) {
var value, path;
if (e.detail) {
value = e.detail.value;
path = e.detail.path;
}
if (!this._clientsReadied) {
this._queueHandler([
fn,
e.target,
value,
path
]);
} else {
return fn.call(this, e.target, value, path);
}
}
},
_queueHandler: function (args) {
this._handlers.push(args);
},
_flushHandlers: function () {
var h$ = this._handlers;
for (var i = 0, l = h$.length, h; i < l && (h = h$[i]); i++) {
h[0].call(this, h[1], h[2], h[3]);
}
this._handlers = [];
}
});
}());(function () {
'use strict';
var Path = Polymer.Path;
Polymer.Base._addFeature({
notifyPath: function (path, value, fromAbove) {
var info = {};
var v = this._get(path, this, info);
if (arguments.length === 1) {
value = v;
}
if (info.path) {
this._notifyPath(info.path, value, fromAbove);
}
},
_notifyPath: function (path, value, fromAbove) {
var old = this._propertySetter(path, value);
if (old !== value && (old === old || value === value)) {
this._pathEffector(path, value);
if (!fromAbove) {
this._notifyPathUp(path, value);
}
return true;
}
},
_getPathParts: function (path) {
if (Array.isArray(path)) {
var parts = [];
for (var i = 0; i < path.length; i++) {
var args = path[i].toString().split('.');
for (var j = 0; j < args.length; j++) {
parts.push(args[j]);
}
}
return parts;
} else {
return path.toString().split('.');
}
},
set: function (path, value, root) {
var prop = root || this;
var parts = this._getPathParts(path);
var array;
var last = parts[parts.length - 1];
if (parts.length > 1) {
for (var i = 0; i < parts.length - 1; i++) {
var part = parts[i];
if (array && part[0] == '#') {
prop = Polymer.Collection.get(array).getItem(part);
} else {
prop = prop[part];
if (array && parseInt(part, 10) == part) {
parts[i] = Polymer.Collection.get(array).getKey(prop);
}
}
if (!prop) {
return;
}
array = Array.isArray(prop) ? prop : null;
}
if (array) {
var coll = Polymer.Collection.get(array);
var old, key;
if (last[0] == '#') {
key = last;
old = coll.getItem(key);
last = array.indexOf(old);
coll.setItem(key, value);
} else if (parseInt(last, 10) == last) {
old = prop[last];
key = coll.getKey(old);
parts[i] = key;
coll.setItem(key, value);
}
}
prop[last] = value;
if (!root) {
this._notifyPath(parts.join('.'), value);
}
} else {
prop[path] = value;
}
},
get: function (path, root) {
return this._get(path, root);
},
_get: function (path, root, info) {
var prop = root || this;
var parts = this._getPathParts(path);
var array;
for (var i = 0; i < parts.length; i++) {
if (!prop) {
return;
}
var part = parts[i];
if (array && part[0] == '#') {
prop = Polymer.Collection.get(array).getItem(part);
} else {
prop = prop[part];
if (info && array && parseInt(part, 10) == part) {
parts[i] = Polymer.Collection.get(array).getKey(prop);
}
}
array = Array.isArray(prop) ? prop : null;
}
if (info) {
info.path = parts.join('.');
}
return prop;
},
_pathEffector: function (path, value) {
var model = Path.root(path);
var fx$ = this._propertyEffects && this._propertyEffects[model];
if (fx$) {
for (var i = 0, fx; i < fx$.length && (fx = fx$[i]); i++) {
var fxFn = fx.pathFn;
if (fxFn) {
fxFn.call(this, path, value, fx.effect);
}
}
}
if (this._boundPaths) {
this._notifyBoundPaths(path, value);
}
},
_annotationPathEffect: function (path, value, effect) {
if (Path.matches(effect.value, false, path)) {
Polymer.Bind._annotationEffect.call(this, path, value, effect);
} else if (!effect.negate && Path.isDescendant(effect.value, path)) {
var node = this._nodes[effect.index];
if (node && node._notifyPath) {
var newPath = Path.translate(effect.value, effect.name, path);
node._notifyPath(newPath, value, true);
}
}
},
_complexObserverPathEffect: function (path, value, effect) {
if (Path.matches(effect.trigger.name, effect.trigger.wildcard, path)) {
Polymer.Bind._complexObserverEffect.call(this, path, value, effect);
}
},
_computePathEffect: function (path, value, effect) {
if (Path.matches(effect.trigger.name, effect.trigger.wildcard, path)) {
Polymer.Bind._computeEffect.call(this, path, value, effect);
}
},
_annotatedComputationPathEffect: function (path, value, effect) {
if (Path.matches(effect.trigger.name, effect.trigger.wildcard, path)) {
Polymer.Bind._annotatedComputationEffect.call(this, path, value, effect);
}
},
linkPaths: function (to, from) {
this._boundPaths = this._boundPaths || {};
if (from) {
this._boundPaths[to] = from;
} else {
this.unlinkPaths(to);
}
},
unlinkPaths: function (path) {
if (this._boundPaths) {
delete this._boundPaths[path];
}
},
_notifyBoundPaths: function (path, value) {
for (var a in this._boundPaths) {
var b = this._boundPaths[a];
if (Path.isDescendant(a, path)) {
this._notifyPath(Path.translate(a, b, path), value);
} else if (Path.isDescendant(b, path)) {
this._notifyPath(Path.translate(b, a, path), value);
}
}
},
_notifyPathUp: function (path, value) {
var rootName = Path.root(path);
var dashCaseName = Polymer.CaseMap.camelToDashCase(rootName);
var eventName = dashCaseName + this._EVENT_CHANGED;
this.fire(eventName, {
path: path,
value: value
}, {
bubbles: false,
_useCache: Polymer.Settings.eventDataCache || !Polymer.Settings.isIE
});
},
_EVENT_CHANGED: '-changed',
notifySplices: function (path, splices) {
var info = {};
var array = this._get(path, this, info);
this._notifySplices(array, info.path, splices);
},
_notifySplices: function (array, path, splices) {
var change = {
keySplices: Polymer.Collection.applySplices(array, splices),
indexSplices: splices
};
var splicesPath = path + '.splices';
this._notifyPath(splicesPath, change);
this._notifyPath(path + '.length', array.length);
this.__data__[splicesPath] = {
keySplices: null,
indexSplices: null
};
},
_notifySplice: function (array, path, index, added, removed) {
this._notifySplices(array, path, [{
index: index,
addedCount: added,
removed: removed,
object: array,
type: 'splice'
}]);
},
push: function (path) {
var info = {};
var array = this._get(path, this, info);
var args = Array.prototype.slice.call(arguments, 1);
var len = array.length;
var ret = array.push.apply(array, args);
if (args.length) {
this._notifySplice(array, info.path, len, args.length, []);
}
return ret;
},
pop: function (path) {
var info = {};
var array = this._get(path, this, info);
var hadLength = Boolean(array.length);
var args = Array.prototype.slice.call(arguments, 1);
var ret = array.pop.apply(array, args);
if (hadLength) {
this._notifySplice(array, info.path, array.length, 0, [ret]);
}
return ret;
},
splice: function (path, start) {
var info = {};
var array = this._get(path, this, info);
if (start < 0) {
start = array.length - Math.floor(-start);
} else {
start = Math.floor(start);
}
if (!start) {
start = 0;
}
var args = Array.prototype.slice.call(arguments, 1);
var ret = array.splice.apply(array, args);
var addedCount = Math.max(args.length - 2, 0);
if (addedCount || ret.length) {
this._notifySplice(array, info.path, start, addedCount, ret);
}
return ret;
},
shift: function (path) {
var info = {};
var array = this._get(path, this, info);
var hadLength = Boolean(array.length);
var args = Array.prototype.slice.call(arguments, 1);
var ret = array.shift.apply(array, args);
if (hadLength) {
this._notifySplice(array, info.path, 0, 0, [ret]);
}
return ret;
},
unshift: function (path) {
var info = {};
var array = this._get(path, this, info);
var args = Array.prototype.slice.call(arguments, 1);
var ret = array.unshift.apply(array, args);
if (args.length) {
this._notifySplice(array, info.path, 0, args.length, []);
}
return ret;
},
prepareModelNotifyPath: function (model) {
this.mixin(model, {
fire: Polymer.Base.fire,
_getEvent: Polymer.Base._getEvent,
__eventCache: Polymer.Base.__eventCache,
notifyPath: Polymer.Base.notifyPath,
_get: Polymer.Base._get,
_EVENT_CHANGED: Polymer.Base._EVENT_CHANGED,
_notifyPath: Polymer.Base._notifyPath,
_notifyPathUp: Polymer.Base._notifyPathUp,
_pathEffector: Polymer.Base._pathEffector,
_annotationPathEffect: Polymer.Base._annotationPathEffect,
_complexObserverPathEffect: Polymer.Base._complexObserverPathEffect,
_annotatedComputationPathEffect: Polymer.Base._annotatedComputationPathEffect,
_computePathEffect: Polymer.Base._computePathEffect,
_notifyBoundPaths: Polymer.Base._notifyBoundPaths,
_getPathParts: Polymer.Base._getPathParts
});
}
});
}());Polymer.Base._addFeature({
resolveUrl: function (url) {
var module = Polymer.DomModule.import(this.is);
var root = '';
if (module) {
var assetPath = module.getAttribute('assetpath') || '';
root = Polymer.ResolveUrl.resolveUrl(assetPath, module.ownerDocument.baseURI);
}
return Polymer.ResolveUrl.resolveUrl(url, root);
}
});Polymer.CssParse = function () {
return {
parse: function (text) {
text = this._clean(text);
return this._parseCss(this._lex(text), text);
},
_clean: function (cssText) {
return cssText.replace(this._rx.comments, '').replace(this._rx.port, '');
},
_lex: function (text) {
var root = {
start: 0,
end: text.length
};
var n = root;
for (var i = 0, l = text.length; i < l; i++) {
switch (text[i]) {
case this.OPEN_BRACE:
if (!n.rules) {
n.rules = [];
}
var p = n;
var previous = p.rules[p.rules.length - 1];
n = {
start: i + 1,
parent: p,
previous: previous
};
p.rules.push(n);
break;
case this.CLOSE_BRACE:
n.end = i + 1;
n = n.parent || root;
break;
}
}
return root;
},
_parseCss: function (node, text) {
var t = text.substring(node.start, node.end - 1);
node.parsedCssText = node.cssText = t.trim();
if (node.parent) {
var ss = node.previous ? node.previous.end : node.parent.start;
t = text.substring(ss, node.start - 1);
t = this._expandUnicodeEscapes(t);
t = t.replace(this._rx.multipleSpaces, ' ');
t = t.substring(t.lastIndexOf(';') + 1);
var s = node.parsedSelector = node.selector = t.trim();
node.atRule = s.indexOf(this.AT_START) === 0;
if (node.atRule) {
if (s.indexOf(this.MEDIA_START) === 0) {
node.type = this.types.MEDIA_RULE;
} else if (s.match(this._rx.keyframesRule)) {
node.type = this.types.KEYFRAMES_RULE;
node.keyframesName = node.selector.split(this._rx.multipleSpaces).pop();
}
} else {
if (s.indexOf(this.VAR_START) === 0) {
node.type = this.types.MIXIN_RULE;
} else {
node.type = this.types.STYLE_RULE;
}
}
}
var r$ = node.rules;
if (r$) {
for (var i = 0, l = r$.length, r; i < l && (r = r$[i]); i++) {
this._parseCss(r, text);
}
}
return node;
},
_expandUnicodeEscapes: function (s) {
return s.replace(/\\([0-9a-f]{1,6})\s/gi, function () {
var code = arguments[1], repeat = 6 - code.length;
while (repeat--) {
code = '0' + code;
}
return '\\' + code;
});
},
stringify: function (node, preserveProperties, text) {
text = text || '';
var cssText = '';
if (node.cssText || node.rules) {
var r$ = node.rules;
if (r$ && !this._hasMixinRules(r$)) {
for (var i = 0, l = r$.length, r; i < l && (r = r$[i]); i++) {
cssText = this.stringify(r, preserveProperties, cssText);
}
} else {
cssText = preserveProperties ? node.cssText : this.removeCustomProps(node.cssText);
cssText = cssText.trim();
if (cssText) {
cssText = ' ' + cssText + '\n';
}
}
}
if (cssText) {
if (node.selector) {
text += node.selector + ' ' + this.OPEN_BRACE + '\n';
}
text += cssText;
if (node.selector) {
text += this.CLOSE_BRACE + '\n\n';
}
}
return text;
},
_hasMixinRules: function (rules) {
return rules[0].selector.indexOf(this.VAR_START) === 0;
},
removeCustomProps: function (cssText) {
cssText = this.removeCustomPropAssignment(cssText);
return this.removeCustomPropApply(cssText);
},
removeCustomPropAssignment: function (cssText) {
return cssText.replace(this._rx.customProp, '').replace(this._rx.mixinProp, '');
},
removeCustomPropApply: function (cssText) {
return cssText.replace(this._rx.mixinApply, '').replace(this._rx.varApply, '');
},
types: {
STYLE_RULE: 1,
KEYFRAMES_RULE: 7,
MEDIA_RULE: 4,
MIXIN_RULE: 1000
},
OPEN_BRACE: '{',
CLOSE_BRACE: '}',
_rx: {
comments: /\/\*[^*]*\*+([^\/*][^*]*\*+)*\//gim,
port: /@import[^;]*;/gim,
customProp: /(?:^[^;\-\s}]+)?--[^;{}]*?:[^{};]*?(?:[;\n]|$)/gim,
mixinProp: /(?:^[^;\-\s}]+)?--[^;{}]*?:[^{};]*?{[^}]*?}(?:[;\n]|$)?/gim,
mixinApply: /@apply\s*\(?[^);]*\)?\s*(?:[;\n]|$)?/gim,
varApply: /[^;:]*?:[^;]*?var\([^;]*\)(?:[;\n]|$)?/gim,
keyframesRule: /^@[^\s]*keyframes/,
multipleSpaces: /\s+/g
},
VAR_START: '--',
MEDIA_START: '@media',
AT_START: '@'
};
}();Polymer.StyleUtil = function () {
var settings = Polymer.Settings;
return {
NATIVE_VARIABLES: Polymer.Settings.useNativeCSSProperties,
MODULE_STYLES_SELECTOR: 'style, link[rel=import][type~=css], template',
INCLUDE_ATTR: 'include',
toCssText: function (rules, callback) {
if (typeof rules === 'string') {
rules = this.parser.parse(rules);
}
if (callback) {
this.forEachRule(rules, callback);
}
return this.parser.stringify(rules, this.NATIVE_VARIABLES);
},
forRulesInStyles: function (styles, styleRuleCallback, keyframesRuleCallback) {
if (styles) {
for (var i = 0, l = styles.length, s; i < l && (s = styles[i]); i++) {
this.forEachRuleInStyle(s, styleRuleCallback, keyframesRuleCallback);
}
}
},
forActiveRulesInStyles: function (styles, styleRuleCallback, keyframesRuleCallback) {
if (styles) {
for (var i = 0, l = styles.length, s; i < l && (s = styles[i]); i++) {
this.forEachRuleInStyle(s, styleRuleCallback, keyframesRuleCallback, true);
}
}
},
rulesForStyle: function (style) {
if (!style.__cssRules && style.textContent) {
style.__cssRules = this.parser.parse(style.textContent);
}
return style.__cssRules;
},
isKeyframesSelector: function (rule) {
return rule.parent && rule.parent.type === this.ruleTypes.KEYFRAMES_RULE;
},
forEachRuleInStyle: function (style, styleRuleCallback, keyframesRuleCallback, onlyActiveRules) {
var rules = this.rulesForStyle(style);
var styleCallback, keyframeCallback;
if (styleRuleCallback) {
styleCallback = function (rule) {
styleRuleCallback(rule, style);
};
}
if (keyframesRuleCallback) {
keyframeCallback = function (rule) {
keyframesRuleCallback(rule, style);
};
}
this.forEachRule(rules, styleCallback, keyframeCallback, onlyActiveRules);
},
forEachRule: function (node, styleRuleCallback, keyframesRuleCallback, onlyActiveRules) {
if (!node) {
return;
}
var skipRules = false;
if (onlyActiveRules) {
if (node.type === this.ruleTypes.MEDIA_RULE) {
var matchMedia = node.selector.match(this.rx.MEDIA_MATCH);
if (matchMedia) {
if (!window.matchMedia(matchMedia[1]).matches) {
skipRules = true;
}
}
}
}
if (node.type === this.ruleTypes.STYLE_RULE) {
styleRuleCallback(node);
} else if (keyframesRuleCallback && node.type === this.ruleTypes.KEYFRAMES_RULE) {
keyframesRuleCallback(node);
} else if (node.type === this.ruleTypes.MIXIN_RULE) {
skipRules = true;
}
var r$ = node.rules;
if (r$ && !skipRules) {
for (var i = 0, l = r$.length, r; i < l && (r = r$[i]); i++) {
this.forEachRule(r, styleRuleCallback, keyframesRuleCallback, onlyActiveRules);
}
}
},
applyCss: function (cssText, moniker, target, contextNode) {
var style = this.createScopeStyle(cssText, moniker);
return this.applyStyle(style, target, contextNode);
},
applyStyle: function (style, target, contextNode) {
target = target || document.head;
var after = contextNode && contextNode.nextSibling || target.firstChild;
this.__lastHeadApplyNode = style;
return target.insertBefore(style, after);
},
createScopeStyle: function (cssText, moniker) {
var style = document.createElement('style');
if (moniker) {
style.setAttribute('scope', moniker);
}
style.textContent = cssText;
return style;
},
__lastHeadApplyNode: null,
applyStylePlaceHolder: function (moniker) {
var placeHolder = document.createComment(' Shady DOM styles for ' + moniker + ' ');
var after = this.__lastHeadApplyNode ? this.__lastHeadApplyNode.nextSibling : null;
var scope = document.head;
scope.insertBefore(placeHolder, after || scope.firstChild);
this.__lastHeadApplyNode = placeHolder;
return placeHolder;
},
cssFromModules: function (moduleIds, warnIfNotFound) {
var modules = moduleIds.trim().split(' ');
var cssText = '';
for (var i = 0; i < modules.length; i++) {
cssText += this.cssFromModule(modules[i], warnIfNotFound);
}
return cssText;
},
cssFromModule: function (moduleId, warnIfNotFound) {
var m = Polymer.DomModule.import(moduleId);
if (m && !m._cssText) {
m._cssText = this.cssFromElement(m);
}
if (!m && warnIfNotFound) {
console.warn('Could not find style data in module named', moduleId);
}
return m && m._cssText || '';
},
cssFromElement: function (element) {
var cssText = '';
var content = element.content || element;
var e$ = Polymer.TreeApi.arrayCopy(content.querySelectorAll(this.MODULE_STYLES_SELECTOR));
for (var i = 0, e; i < e$.length; i++) {
e = e$[i];
if (e.localName === 'template') {
if (!e.hasAttribute('preserve-content')) {
cssText += this.cssFromElement(e);
}
} else {
if (e.localName === 'style') {
var include = e.getAttribute(this.INCLUDE_ATTR);
if (include) {
cssText += this.cssFromModules(include, true);
}
e = e.__appliedElement || e;
e.parentNode.removeChild(e);
cssText += this.resolveCss(e.textContent, element.ownerDocument);
} else if (e.import && e.import.body) {
cssText += this.resolveCss(e.import.body.textContent, e.import);
}
}
}
return cssText;
},
isTargetedBuild: function (buildType) {
return settings.useNativeShadow ? buildType === 'shadow' : buildType === 'shady';
},
cssBuildTypeForModule: function (module) {
var dm = Polymer.DomModule.import(module);
if (dm) {
return this.getCssBuildType(dm);
}
},
getCssBuildType: function (element) {
return element.getAttribute('css-build');
},
_findMatchingParen: function (text, start) {
var level = 0;
for (var i = start, l = text.length; i < l; i++) {
switch (text[i]) {
case '(':
level++;
break;
case ')':
if (--level === 0) {
return i;
}
break;
}
}
return -1;
},
processVariableAndFallback: function (str, callback) {
var start = str.indexOf('var(');
if (start === -1) {
return callback(str, '', '', '');
}
var end = this._findMatchingParen(str, start + 3);
var inner = str.substring(start + 4, end);
var prefix = str.substring(0, start);
var suffix = this.processVariableAndFallback(str.substring(end + 1), callback);
var comma = inner.indexOf(',');
if (comma === -1) {
return callback(prefix, inner.trim(), '', suffix);
}
var value = inner.substring(0, comma).trim();
var fallback = inner.substring(comma + 1).trim();
return callback(prefix, value, fallback, suffix);
},
rx: {
VAR_ASSIGN: /(?:^|[;\s{]\s*)(--[\w-]*?)\s*:\s*(?:([^;{]*)|{([^}]*)})(?:(?=[;\s}])|$)/gi,
MIXIN_MATCH: /(?:^|\W+)@apply\s*\(?([^);\n]*)\)?/gi,
VAR_CONSUMED: /(--[\w-]+)\s*([:,;)]|$)/gi,
ANIMATION_MATCH: /(animation\s*:)|(animation-name\s*:)/,
MEDIA_MATCH: /@media[^(]*(\([^)]*\))/,
IS_VAR: /^--/,
BRACKETED: /\{[^}]*\}/g,
HOST_PREFIX: '(?:^|[^.#[:])',
HOST_SUFFIX: '($|[.:[\\s>+~])'
},
resolveCss: Polymer.ResolveUrl.resolveCss,
parser: Polymer.CssParse,
ruleTypes: Polymer.CssParse.types
};
}();Polymer.StyleTransformer = function () {
var styleUtil = Polymer.StyleUtil;
var settings = Polymer.Settings;
var api = {
dom: function (node, scope, useAttr, shouldRemoveScope) {
this._transformDom(node, scope || '', useAttr, shouldRemoveScope);
},
_transformDom: function (node, selector, useAttr, shouldRemoveScope) {
if (node.setAttribute) {
this.element(node, selector, useAttr, shouldRemoveScope);
}
var c$ = Polymer.dom(node).childNodes;
for (var i = 0; i < c$.length; i++) {
this._transformDom(c$[i], selector, useAttr, shouldRemoveScope);
}
},
element: function (element, scope, useAttr, shouldRemoveScope) {
if (useAttr) {
if (shouldRemoveScope) {
element.removeAttribute(SCOPE_NAME);
} else {
element.setAttribute(SCOPE_NAME, scope);
}
} else {
if (scope) {
if (element.classList) {
if (shouldRemoveScope) {
element.classList.remove(SCOPE_NAME);
element.classList.remove(scope);
} else {
element.classList.add(SCOPE_NAME);
element.classList.add(scope);
}
} else if (element.getAttribute) {
var c = element.getAttribute(CLASS);
if (shouldRemoveScope) {
if (c) {
element.setAttribute(CLASS, c.replace(SCOPE_NAME, '').replace(scope, ''));
}
} else {
element.setAttribute(CLASS, (c ? c + ' ' : '') + SCOPE_NAME + ' ' + scope);
}
}
}
}
},
elementStyles: function (element, callback) {
var styles = element._styles;
var cssText = '';
var cssBuildType = element.__cssBuild;
var passthrough = settings.useNativeShadow || cssBuildType === 'shady';
var cb;
if (passthrough) {
var self = this;
cb = function (rule) {
rule.selector = self._slottedToContent(rule.selector);
rule.selector = rule.selector.replace(ROOT, ':host > *');
if (callback) {
callback(rule);
}
};
}
for (var i = 0, l = styles.length, s; i < l && (s = styles[i]); i++) {
var rules = styleUtil.rulesForStyle(s);
cssText += passthrough ? styleUtil.toCssText(rules, cb) : this.css(rules, element.is, element.extends, callback, element._scopeCssViaAttr) + '\n\n';
}
return cssText.trim();
},
css: function (rules, scope, ext, callback, useAttr) {
var hostScope = this._calcHostScope(scope, ext);
scope = this._calcElementScope(scope, useAttr);
var self = this;
return styleUtil.toCssText(rules, function (rule) {
if (!rule.isScoped) {
self.rule(rule, scope, hostScope);
rule.isScoped = true;
}
if (callback) {
callback(rule, scope, hostScope);
}
});
},
_calcElementScope: function (scope, useAttr) {
if (scope) {
return useAttr ? CSS_ATTR_PREFIX + scope + CSS_ATTR_SUFFIX : CSS_CLASS_PREFIX + scope;
} else {
return '';
}
},
_calcHostScope: function (scope, ext) {
return ext ? '[is=' + scope + ']' : scope;
},
rule: function (rule, scope, hostScope) {
this._transformRule(rule, this._transformComplexSelector, scope, hostScope);
},
_transformRule: function (rule, transformer, scope, hostScope) {
rule.selector = rule.transformedSelector = this._transformRuleCss(rule, transformer, scope, hostScope);
},
_transformRuleCss: function (rule, transformer, scope, hostScope) {
var p$ = rule.selector.split(COMPLEX_SELECTOR_SEP);
if (!styleUtil.isKeyframesSelector(rule)) {
for (var i = 0, l = p$.length, p; i < l && (p = p$[i]); i++) {
p$[i] = transformer.call(this, p, scope, hostScope);
}
}
return p$.join(COMPLEX_SELECTOR_SEP);
},
_transformComplexSelector: function (selector, scope, hostScope) {
var stop = false;
var hostContext = false;
var self = this;
selector = selector.trim();
selector = this._slottedToContent(selector);
selector = selector.replace(ROOT, ':host > *');
selector = selector.replace(CONTENT_START, HOST + ' $1');
selector = selector.replace(SIMPLE_SELECTOR_SEP, function (m, c, s) {
if (!stop) {
var info = self._transformCompoundSelector(s, c, scope, hostScope);
stop = stop || info.stop;
hostContext = hostContext || info.hostContext;
c = info.combinator;
s = info.value;
} else {
s = s.replace(SCOPE_JUMP, ' ');
}
return c + s;
});
if (hostContext) {
selector = selector.replace(HOST_CONTEXT_PAREN, function (m, pre, paren, post) {
return pre + paren + ' ' + hostScope + post + COMPLEX_SELECTOR_SEP + ' ' + pre + hostScope + paren + post;
});
}
return selector;
},
_transformCompoundSelector: function (selector, combinator, scope, hostScope) {
var jumpIndex = selector.search(SCOPE_JUMP);
var hostContext = false;
if (selector.indexOf(HOST_CONTEXT) >= 0) {
hostContext = true;
} else if (selector.indexOf(HOST) >= 0) {
selector = this._transformHostSelector(selector, hostScope);
} else if (jumpIndex !== 0) {
selector = scope ? this._transformSimpleSelector(selector, scope) : selector;
}
if (selector.indexOf(CONTENT) >= 0) {
combinator = '';
}
var stop;
if (jumpIndex >= 0) {
selector = selector.replace(SCOPE_JUMP, ' ');
stop = true;
}
return {
value: selector,
combinator: combinator,
stop: stop,
hostContext: hostContext
};
},
_transformSimpleSelector: function (selector, scope) {
var p$ = selector.split(PSEUDO_PREFIX);
p$[0] += scope;
return p$.join(PSEUDO_PREFIX);
},
_transformHostSelector: function (selector, hostScope) {
var m = selector.match(HOST_PAREN);
var paren = m && m[2].trim() || '';
if (paren) {
if (!paren[0].match(SIMPLE_SELECTOR_PREFIX)) {
var typeSelector = paren.split(SIMPLE_SELECTOR_PREFIX)[0];
if (typeSelector === hostScope) {
return paren;
} else {
return SELECTOR_NO_MATCH;
}
} else {
return selector.replace(HOST_PAREN, function (m, host, paren) {
return hostScope + paren;
});
}
} else {
return selector.replace(HOST, hostScope);
}
},
documentRule: function (rule) {
rule.selector = rule.parsedSelector;
this.normalizeRootSelector(rule);
if (!settings.useNativeShadow) {
this._transformRule(rule, this._transformDocumentSelector);
}
},
normalizeRootSelector: function (rule) {
rule.selector = rule.selector.replace(ROOT, 'html');
},
_transformDocumentSelector: function (selector) {
return selector.match(SCOPE_JUMP) ? this._transformComplexSelector(selector, SCOPE_DOC_SELECTOR) : this._transformSimpleSelector(selector.trim(), SCOPE_DOC_SELECTOR);
},
_slottedToContent: function (cssText) {
return cssText.replace(SLOTTED_PAREN, CONTENT + '> $1');
},
SCOPE_NAME: 'style-scope'
};
var SCOPE_NAME = api.SCOPE_NAME;
var SCOPE_DOC_SELECTOR = ':not([' + SCOPE_NAME + '])' + ':not(.' + SCOPE_NAME + ')';
var COMPLEX_SELECTOR_SEP = ',';
var SIMPLE_SELECTOR_SEP = /(^|[\s>+~]+)((?:\[.+?\]|[^\s>+~=\[])+)/g;
var SIMPLE_SELECTOR_PREFIX = /[[.:#*]/;
var HOST = ':host';
var ROOT = ':root';
var HOST_PAREN = /(:host)(?:\(((?:\([^)(]*\)|[^)(]*)+?)\))/;
var HOST_CONTEXT = ':host-context';
var HOST_CONTEXT_PAREN = /(.*)(?::host-context)(?:\(((?:\([^)(]*\)|[^)(]*)+?)\))(.*)/;
var CONTENT = '::content';
var SCOPE_JUMP = /::content|::shadow|\/deep\//;
var CSS_CLASS_PREFIX = '.';
var CSS_ATTR_PREFIX = '[' + SCOPE_NAME + '~=';
var CSS_ATTR_SUFFIX = ']';
var PSEUDO_PREFIX = ':';
var CLASS = 'class';
var CONTENT_START = new RegExp('^(' + CONTENT + ')');
var SELECTOR_NO_MATCH = 'should_not_match';
var SLOTTED_PAREN = /(?:::slotted)(?:\(((?:\([^)(]*\)|[^)(]*)+?)\))/g;
return api;
}();Polymer.StyleExtends = function () {
var styleUtil = Polymer.StyleUtil;
return {
hasExtends: function (cssText) {
return Boolean(cssText.match(this.rx.EXTEND));
},
transform: function (style) {
var rules = styleUtil.rulesForStyle(style);
var self = this;
styleUtil.forEachRule(rules, function (rule) {
self._mapRuleOntoParent(rule);
if (rule.parent) {
var m;
while (m = self.rx.EXTEND.exec(rule.cssText)) {
var extend = m[1];
var extendor = self._findExtendor(extend, rule);
if (extendor) {
self._extendRule(rule, extendor);
}
}
}
rule.cssText = rule.cssText.replace(self.rx.EXTEND, '');
});
return styleUtil.toCssText(rules, function (rule) {
if (rule.selector.match(self.rx.STRIP)) {
rule.cssText = '';
}
}, true);
},
_mapRuleOntoParent: function (rule) {
if (rule.parent) {
var map = rule.parent.map || (rule.parent.map = {});
var parts = rule.selector.split(',');
for (var i = 0, p; i < parts.length; i++) {
p = parts[i];
map[p.trim()] = rule;
}
return map;
}
},
_findExtendor: function (extend, rule) {
return rule.parent && rule.parent.map && rule.parent.map[extend] || this._findExtendor(extend, rule.parent);
},
_extendRule: function (target, source) {
if (target.parent !== source.parent) {
this._cloneAndAddRuleToParent(source, target.parent);
}
target.extends = target.extends || [];
target.extends.push(source);
source.selector = source.selector.replace(this.rx.STRIP, '');
source.selector = (source.selector && source.selector + ',\n') + target.selector;
if (source.extends) {
source.extends.forEach(function (e) {
this._extendRule(target, e);
}, this);
}
},
_cloneAndAddRuleToParent: function (rule, parent) {
rule = Object.create(rule);
rule.parent = parent;
if (rule.extends) {
rule.extends = rule.extends.slice();
}
parent.rules.push(rule);
},
rx: {
EXTEND: /@extends\(([^)]*)\)\s*?;/gim,
STRIP: /%[^,]*$/
}
};
}();Polymer.ApplyShim = function () {
'use strict';
var styleUtil = Polymer.StyleUtil;
var MIXIN_MATCH = styleUtil.rx.MIXIN_MATCH;
var VAR_ASSIGN = styleUtil.rx.VAR_ASSIGN;
var BAD_VAR = /var\(\s*(--[^,]*),\s*(--[^)]*)\)/g;
var APPLY_NAME_CLEAN = /;\s*/m;
var INITIAL_INHERIT = /^\s*(initial)|(inherit)\s*$/;
var MIXIN_VAR_SEP = '_-_';
var mixinMap = {};
function mapSet(name, props) {
name = name.trim();
mixinMap[name] = {
properties: props,
dependants: {}
};
}
function mapGet(name) {
name = name.trim();
return mixinMap[name];
}
function replaceInitialOrInherit(property, value) {
var match = INITIAL_INHERIT.exec(value);
if (match) {
if (match[1]) {
value = ApplyShim._getInitialValueForProperty(property);
} else {
value = 'apply-shim-inherit';
}
}
return value;
}
function cssTextToMap(text) {
var props = text.split(';');
var property, value;
var out = {};
for (var i = 0, p, sp; i < props.length; i++) {
p = props[i];
if (p) {
sp = p.split(':');
if (sp.length > 1) {
property = sp[0].trim();
value = replaceInitialOrInherit(property, sp.slice(1).join(':'));
out[property] = value;
}
}
}
return out;
}
function invalidateMixinEntry(mixinEntry) {
var currentProto = ApplyShim.__currentElementProto;
var currentElementName = currentProto && currentProto.is;
for (var elementName in mixinEntry.dependants) {
if (elementName !== currentElementName) {
mixinEntry.dependants[elementName].__applyShimInvalid = true;
}
}
}
function produceCssProperties(matchText, propertyName, valueProperty, valueMixin) {
if (valueProperty) {
styleUtil.processVariableAndFallback(valueProperty, function (prefix, value) {
if (value && mapGet(value)) {
valueMixin = '@apply ' + value + ';';
}
});
}
if (!valueMixin) {
return matchText;
}
var mixinAsProperties = consumeCssProperties(valueMixin);
var prefix = matchText.slice(0, matchText.indexOf('--'));
var mixinValues = cssTextToMap(mixinAsProperties);
var combinedProps = mixinValues;
var mixinEntry = mapGet(propertyName);
var oldProps = mixinEntry && mixinEntry.properties;
if (oldProps) {
combinedProps = Object.create(oldProps);
combinedProps = Polymer.Base.mixin(combinedProps, mixinValues);
} else {
mapSet(propertyName, combinedProps);
}
var out = [];
var p, v;
var needToInvalidate = false;
for (p in combinedProps) {
v = mixinValues[p];
if (v === undefined) {
v = 'initial';
}
if (oldProps && !(p in oldProps)) {
needToInvalidate = true;
}
out.push(propertyName + MIXIN_VAR_SEP + p + ': ' + v);
}
if (needToInvalidate) {
invalidateMixinEntry(mixinEntry);
}
if (mixinEntry) {
mixinEntry.properties = combinedProps;
}
if (valueProperty) {
prefix = matchText + ';' + prefix;
}
return prefix + out.join('; ') + ';';
}
function fixVars(matchText, varA, varB) {
return 'var(' + varA + ',' + 'var(' + varB + '))';
}
function atApplyToCssProperties(mixinName, fallbacks) {
mixinName = mixinName.replace(APPLY_NAME_CLEAN, '');
var vars = [];
var mixinEntry = mapGet(mixinName);
if (!mixinEntry) {
mapSet(mixinName, {});
mixinEntry = mapGet(mixinName);
}
if (mixinEntry) {
var currentProto = ApplyShim.__currentElementProto;
if (currentProto) {
mixinEntry.dependants[currentProto.is] = currentProto;
}
var p, parts, f;
for (p in mixinEntry.properties) {
f = fallbacks && fallbacks[p];
parts = [
p,
': var(',
mixinName,
MIXIN_VAR_SEP,
p
];
if (f) {
parts.push(',', f);
}
parts.push(')');
vars.push(parts.join(''));
}
}
return vars.join('; ');
}
function consumeCssProperties(text) {
var m;
while (m = MIXIN_MATCH.exec(text)) {
var matchText = m[0];
var mixinName = m[1];
var idx = m.index;
var applyPos = idx + matchText.indexOf('@apply');
var afterApplyPos = idx + matchText.length;
var textBeforeApply = text.slice(0, applyPos);
var textAfterApply = text.slice(afterApplyPos);
var defaults = cssTextToMap(textBeforeApply);
var replacement = atApplyToCssProperties(mixinName, defaults);
text = [
textBeforeApply,
replacement,
textAfterApply
].join('');
MIXIN_MATCH.lastIndex = idx + replacement.length;
}
return text;
}
var ApplyShim = {
_measureElement: null,
_map: mixinMap,
_separator: MIXIN_VAR_SEP,
transform: function (styles, elementProto) {
this.__currentElementProto = elementProto;
styleUtil.forRulesInStyles(styles, this._boundFindDefinitions);
styleUtil.forRulesInStyles(styles, this._boundFindApplications);
if (elementProto) {
elementProto.__applyShimInvalid = false;
}
this.__currentElementProto = null;
},
_findDefinitions: function (rule) {
var cssText = rule.parsedCssText;
cssText = cssText.replace(BAD_VAR, fixVars);
cssText = cssText.replace(VAR_ASSIGN, produceCssProperties);
rule.cssText = cssText;
if (rule.selector === ':root') {
rule.selector = ':host > *';
}
},
_findApplications: function (rule) {
rule.cssText = consumeCssProperties(rule.cssText);
},
transformRule: function (rule) {
this._findDefinitions(rule);
this._findApplications(rule);
},
_getInitialValueForProperty: function (property) {
if (!this._measureElement) {
this._measureElement = document.createElement('meta');
this._measureElement.style.all = 'initial';
document.head.appendChild(this._measureElement);
}
return window.getComputedStyle(this._measureElement).getPropertyValue(property);
}
};
ApplyShim._boundTransformRule = ApplyShim.transformRule.bind(ApplyShim);
ApplyShim._boundFindDefinitions = ApplyShim._findDefinitions.bind(ApplyShim);
ApplyShim._boundFindApplications = ApplyShim._findApplications.bind(ApplyShim);
return ApplyShim;
}();(function () {
var prepElement = Polymer.Base._prepElement;
var nativeShadow = Polymer.Settings.useNativeShadow;
var styleUtil = Polymer.StyleUtil;
var styleTransformer = Polymer.StyleTransformer;
var styleExtends = Polymer.StyleExtends;
var applyShim = Polymer.ApplyShim;
var settings = Polymer.Settings;
Polymer.Base._addFeature({
_prepElement: function (element) {
if (this._encapsulateStyle && this.__cssBuild !== 'shady') {
styleTransformer.element(element, this.is, this._scopeCssViaAttr);
}
prepElement.call(this, element);
},
_prepStyles: function () {
if (this._encapsulateStyle === undefined) {
this._encapsulateStyle = !nativeShadow;
}
if (!nativeShadow) {
this._scopeStyle = styleUtil.applyStylePlaceHolder(this.is);
}
this.__cssBuild = styleUtil.cssBuildTypeForModule(this.is);
},
_prepShimStyles: function () {
if (this._template) {
var hasTargetedCssBuild = styleUtil.isTargetedBuild(this.__cssBuild);
if (settings.useNativeCSSProperties && this.__cssBuild === 'shadow' && hasTargetedCssBuild) {
return;
}
this._styles = this._styles || this._collectStyles();
if (settings.useNativeCSSProperties && !this.__cssBuild) {
applyShim.transform(this._styles, this);
}
var cssText = settings.useNativeCSSProperties && hasTargetedCssBuild ? this._styles.length && this._styles[0].textContent.trim() : styleTransformer.elementStyles(this);
this._prepStyleProperties();
if (!this._needsStyleProperties() && cssText) {
styleUtil.applyCss(cssText, this.is, nativeShadow ? this._template.content : null, this._scopeStyle);
}
} else {
this._styles = [];
}
},
_collectStyles: function () {
var styles = [];
var cssText = '', m$ = this.styleModules;
if (m$) {
for (var i = 0, l = m$.length, m; i < l && (m = m$[i]); i++) {
cssText += styleUtil.cssFromModule(m);
}
}
cssText += styleUtil.cssFromModule(this.is);
var p = this._template && this._template.parentNode;
if (this._template && (!p || p.id.toLowerCase() !== this.is)) {
cssText += styleUtil.cssFromElement(this._template);
}
if (cssText) {
var style = document.createElement('style');
style.textContent = cssText;
if (styleExtends.hasExtends(style.textContent)) {
cssText = styleExtends.transform(style);
}
styles.push(style);
}
return styles;
},
_elementAdd: function (node) {
if (this._encapsulateStyle) {
if (node.__styleScoped) {
node.__styleScoped = false;
} else {
styleTransformer.dom(node, this.is, this._scopeCssViaAttr);
}
}
},
_elementRemove: function (node) {
if (this._encapsulateStyle) {
styleTransformer.dom(node, this.is, this._scopeCssViaAttr, true);
}
},
scopeSubtree: function (container, shouldObserve) {
if (nativeShadow) {
return;
}
var self = this;
var scopify = function (node) {
if (node.nodeType === Node.ELEMENT_NODE) {
var className = node.getAttribute('class');
node.setAttribute('class', self._scopeElementClass(node, className));
var n$ = node.querySelectorAll('*');
for (var i = 0, n; i < n$.length && (n = n$[i]); i++) {
className = n.getAttribute('class');
n.setAttribute('class', self._scopeElementClass(n, className));
}
}
};
scopify(container);
if (shouldObserve) {
var mo = new MutationObserver(function (mxns) {
for (var i = 0, m; i < mxns.length && (m = mxns[i]); i++) {
if (m.addedNodes) {
for (var j = 0; j < m.addedNodes.length; j++) {
scopify(m.addedNodes[j]);
}
}
}
});
mo.observe(container, {
childList: true,
subtree: true
});
return mo;
}
}
});
}());Polymer.StyleProperties = function () {
'use strict';
var matchesSelector = Polymer.DomApi.matchesSelector;
var styleUtil = Polymer.StyleUtil;
var styleTransformer = Polymer.StyleTransformer;
var IS_IE = navigator.userAgent.match('Trident');
var settings = Polymer.Settings;
return {
decorateStyles: function (styles, scope) {
var self = this, props = {}, keyframes = [], ruleIndex = 0;
var scopeSelector = styleTransformer._calcHostScope(scope.is, scope.extends);
styleUtil.forRulesInStyles(styles, function (rule, style) {
self.decorateRule(rule);
rule.index = ruleIndex++;
self.whenHostOrRootRule(scope, rule, style, function (info) {
if (rule.parent.type === styleUtil.ruleTypes.MEDIA_RULE) {
scope.__notStyleScopeCacheable = true;
}
if (info.isHost) {
var hostContextOrFunction = info.selector.split(' ').some(function (s) {
return s.indexOf(scopeSelector) === 0 && s.length !== scopeSelector.length;
});
scope.__notStyleScopeCacheable = scope.__notStyleScopeCacheable || hostContextOrFunction;
}
});
self.collectPropertiesInCssText(rule.propertyInfo.cssText, props);
}, function onKeyframesRule(rule) {
keyframes.push(rule);
});
styles._keyframes = keyframes;
var names = [];
for (var i in props) {
names.push(i);
}
return names;
},
decorateRule: function (rule) {
if (rule.propertyInfo) {
return rule.propertyInfo;
}
var info = {}, properties = {};
var hasProperties = this.collectProperties(rule, properties);
if (hasProperties) {
info.properties = properties;
rule.rules = null;
}
info.cssText = this.collectCssText(rule);
rule.propertyInfo = info;
return info;
},
collectProperties: function (rule, properties) {
var info = rule.propertyInfo;
if (info) {
if (info.properties) {
Polymer.Base.mixin(properties, info.properties);
return true;
}
} else {
var m, rx = this.rx.VAR_ASSIGN;
var cssText = rule.parsedCssText;
var value;
var any;
while (m = rx.exec(cssText)) {
value = (m[2] || m[3]).trim();
if (value !== 'inherit') {
properties[m[1].trim()] = value;
}
any = true;
}
return any;
}
},
collectCssText: function (rule) {
return this.collectConsumingCssText(rule.parsedCssText);
},
collectConsumingCssText: function (cssText) {
return cssText.replace(this.rx.BRACKETED, '').replace(this.rx.VAR_ASSIGN, '');
},
collectPropertiesInCssText: function (cssText, props) {
var m;
while (m = this.rx.VAR_CONSUMED.exec(cssText)) {
var name = m[1];
if (m[2] !== ':') {
props[name] = true;
}
}
},
reify: function (props) {
var names = Object.getOwnPropertyNames(props);
for (var i = 0, n; i < names.length; i++) {
n = names[i];
props[n] = this.valueForProperty(props[n], props);
}
},
valueForProperty: function (property, props) {
if (property) {
if (property.indexOf(';') >= 0) {
property = this.valueForProperties(property, props);
} else {
var self = this;
var fn = function (prefix, value, fallback, suffix) {
var propertyValue = self.valueForProperty(props[value], props);
if (!propertyValue || propertyValue === 'initial') {
propertyValue = self.valueForProperty(props[fallback] || fallback, props) || fallback;
} else if (propertyValue === 'apply-shim-inherit') {
propertyValue = 'inherit';
}
return prefix + (propertyValue || '') + suffix;
};
property = styleUtil.processVariableAndFallback(property, fn);
}
}
return property && property.trim() || '';
},
valueForProperties: function (property, props) {
var parts = property.split(';');
for (var i = 0, p, m; i < parts.length; i++) {
if (p = parts[i]) {
this.rx.MIXIN_MATCH.lastIndex = 0;
m = this.rx.MIXIN_MATCH.exec(p);
if (m) {
p = this.valueForProperty(props[m[1]], props);
} else {
var colon = p.indexOf(':');
if (colon !== -1) {
var pp = p.substring(colon);
pp = pp.trim();
pp = this.valueForProperty(pp, props) || pp;
p = p.substring(0, colon) + pp;
}
}
parts[i] = p && p.lastIndexOf(';') === p.length - 1 ? p.slice(0, -1) : p || '';
}
}
return parts.join(';');
},
applyProperties: function (rule, props) {
var output = '';
if (!rule.propertyInfo) {
this.decorateRule(rule);
}
if (rule.propertyInfo.cssText) {
output = this.valueForProperties(rule.propertyInfo.cssText, props);
}
rule.cssText = output;
},
applyKeyframeTransforms: function (rule, keyframeTransforms) {
var input = rule.cssText;
var output = rule.cssText;
if (rule.hasAnimations == null) {
rule.hasAnimations = this.rx.ANIMATION_MATCH.test(input);
}
if (rule.hasAnimations) {
var transform;
if (rule.keyframeNamesToTransform == null) {
rule.keyframeNamesToTransform = [];
for (var keyframe in keyframeTransforms) {
transform = keyframeTransforms[keyframe];
output = transform(input);
if (input !== output) {
input = output;
rule.keyframeNamesToTransform.push(keyframe);
}
}
} else {
for (var i = 0; i < rule.keyframeNamesToTransform.length; ++i) {
transform = keyframeTransforms[rule.keyframeNamesToTransform[i]];
input = transform(input);
}
output = input;
}
}
rule.cssText = output;
},
propertyDataFromStyles: function (styles, element) {
var props = {}, self = this;
var o = [];
styleUtil.forActiveRulesInStyles(styles, function (rule) {
if (!rule.propertyInfo) {
self.decorateRule(rule);
}
var selectorToMatch = rule.transformedSelector || rule.parsedSelector;
if (element && rule.propertyInfo.properties && selectorToMatch) {
if (matchesSelector.call(element, selectorToMatch)) {
self.collectProperties(rule, props);
addToBitMask(rule.index, o);
}
}
});
return {
properties: props,
key: o
};
},
_rootSelector: /:root|:host\s*>\s*\*/,
_checkRoot: function (hostScope, selector) {
return Boolean(selector.match(this._rootSelector)) || hostScope === 'html' && selector.indexOf('html') > -1;
},
whenHostOrRootRule: function (scope, rule, style, callback) {
if (!rule.propertyInfo) {
self.decorateRule(rule);
}
if (!rule.propertyInfo.properties) {
return;
}
var hostScope = scope.is ? styleTransformer._calcHostScope(scope.is, scope.extends) : 'html';
var parsedSelector = rule.parsedSelector;
var isRoot = this._checkRoot(hostScope, parsedSelector);
var isHost = !isRoot && parsedSelector.indexOf(':host') === 0;
var cssBuild = scope.__cssBuild || style.__cssBuild;
if (cssBuild === 'shady') {
isRoot = parsedSelector === hostScope + ' > *.' + hostScope || parsedSelector.indexOf('html') > -1;
isHost = !isRoot && parsedSelector.indexOf(hostScope) === 0;
}
if (!isRoot && !isHost) {
return;
}
var selectorToMatch = hostScope;
if (isHost) {
if (settings.useNativeShadow && !rule.transformedSelector) {
rule.transformedSelector = styleTransformer._transformRuleCss(rule, styleTransformer._transformComplexSelector, scope.is, hostScope);
}
selectorToMatch = rule.transformedSelector || rule.parsedSelector;
}
if (isRoot && hostScope === 'html') {
selectorToMatch = rule.transformedSelector || rule.parsedSelector;
}
callback({
selector: selectorToMatch,
isHost: isHost,
isRoot: isRoot
});
},
hostAndRootPropertiesForScope: function (scope) {
var hostProps = {}, rootProps = {}, self = this;
styleUtil.forActiveRulesInStyles(scope._styles, function (rule, style) {
self.whenHostOrRootRule(scope, rule, style, function (info) {
var element = scope._element || scope;
if (matchesSelector.call(element, info.selector)) {
if (info.isHost) {
self.collectProperties(rule, hostProps);
} else {
self.collectProperties(rule, rootProps);
}
}
});
});
return {
rootProps: rootProps,
hostProps: hostProps
};
},
transformStyles: function (element, properties, scopeSelector) {
var self = this;
var hostSelector = styleTransformer._calcHostScope(element.is, element.extends);
var rxHostSelector = element.extends ? '\\' + hostSelector.slice(0, -1) + '\\]' : hostSelector;
var hostRx = new RegExp(this.rx.HOST_PREFIX + rxHostSelector + this.rx.HOST_SUFFIX);
var keyframeTransforms = this._elementKeyframeTransforms(element, scopeSelector);
return styleTransformer.elementStyles(element, function (rule) {
self.applyProperties(rule, properties);
if (!settings.useNativeShadow && !Polymer.StyleUtil.isKeyframesSelector(rule) && rule.cssText) {
self.applyKeyframeTransforms(rule, keyframeTransforms);
self._scopeSelector(rule, hostRx, hostSelector, element._scopeCssViaAttr, scopeSelector);
}
});
},
_elementKeyframeTransforms: function (element, scopeSelector) {
var keyframesRules = element._styles._keyframes;
var keyframeTransforms = {};
if (!settings.useNativeShadow && keyframesRules) {
for (var i = 0, keyframesRule = keyframesRules[i]; i < keyframesRules.length; keyframesRule = keyframesRules[++i]) {
this._scopeKeyframes(keyframesRule, scopeSelector);
keyframeTransforms[keyframesRule.keyframesName] = this._keyframesRuleTransformer(keyframesRule);
}
}
return keyframeTransforms;
},
_keyframesRuleTransformer: function (keyframesRule) {
return function (cssText) {
return cssText.replace(keyframesRule.keyframesNameRx, keyframesRule.transformedKeyframesName);
};
},
_scopeKeyframes: function (rule, scopeId) {
rule.keyframesNameRx = new RegExp(rule.keyframesName, 'g');
rule.transformedKeyframesName = rule.keyframesName + '-' + scopeId;
rule.transformedSelector = rule.transformedSelector || rule.selector;
rule.selector = rule.transformedSelector.replace(rule.keyframesName, rule.transformedKeyframesName);
},
_scopeSelector: function (rule, hostRx, hostSelector, viaAttr, scopeId) {
rule.transformedSelector = rule.transformedSelector || rule.selector;
var selector = rule.transformedSelector;
var scope = viaAttr ? '[' + styleTransformer.SCOPE_NAME + '~=' + scopeId + ']' : '.' + scopeId;
var parts = selector.split(',');
for (var i = 0, l = parts.length, p; i < l && (p = parts[i]); i++) {
parts[i] = p.match(hostRx) ? p.replace(hostSelector, scope) : scope + ' ' + p;
}
rule.selector = parts.join(',');
},
applyElementScopeSelector: function (element, selector, old, viaAttr) {
var c = viaAttr ? element.getAttribute(styleTransformer.SCOPE_NAME) : element.getAttribute('class') || '';
var v = old ? c.replace(old, selector) : (c ? c + ' ' : '') + this.XSCOPE_NAME + ' ' + selector;
if (c !== v) {
if (viaAttr) {
element.setAttribute(styleTransformer.SCOPE_NAME, v);
} else {
element.setAttribute('class', v);
}
}
},
applyElementStyle: function (element, properties, selector, style) {
var cssText = style ? style.textContent || '' : this.transformStyles(element, properties, selector);
var s = element._customStyle;
if (s && !settings.useNativeShadow && s !== style) {
s._useCount--;
if (s._useCount <= 0 && s.parentNode) {
s.parentNode.removeChild(s);
}
}
if (settings.useNativeShadow) {
if (element._customStyle) {
element._customStyle.textContent = cssText;
style = element._customStyle;
} else if (cssText) {
style = styleUtil.applyCss(cssText, selector, element.root, element._scopeStyle);
}
} else {
if (!style) {
if (cssText) {
style = styleUtil.applyCss(cssText, selector, null, element._scopeStyle);
}
} else if (!style.parentNode) {
if (IS_IE && cssText.indexOf('@media') > -1) {
style.textContent = cssText;
}
styleUtil.applyStyle(style, null, element._scopeStyle);
}
}
if (style) {
style._useCount = style._useCount || 0;
if (element._customStyle != style) {
style._useCount++;
}
element._customStyle = style;
}
return style;
},
mixinCustomStyle: function (props, customStyle) {
var v;
for (var i in customStyle) {
v = customStyle[i];
if (v || v === 0) {
props[i] = v;
}
}
},
updateNativeStyleProperties: function (element, properties) {
var oldPropertyNames = element.__customStyleProperties;
if (oldPropertyNames) {
for (var i = 0; i < oldPropertyNames.length; i++) {
element.style.removeProperty(oldPropertyNames[i]);
}
}
var propertyNames = [];
for (var p in properties) {
if (properties[p] !== null) {
element.style.setProperty(p, properties[p]);
propertyNames.push(p);
}
}
element.__customStyleProperties = propertyNames;
},
rx: styleUtil.rx,
XSCOPE_NAME: 'x-scope'
};
function addToBitMask(n, bits) {
var o = parseInt(n / 32);
var v = 1 << n % 32;
bits[o] = (bits[o] || 0) | v;
}
}();(function () {
Polymer.StyleCache = function () {
this.cache = {};
};
Polymer.StyleCache.prototype = {
MAX: 100,
store: function (is, data, keyValues, keyStyles) {
data.keyValues = keyValues;
data.styles = keyStyles;
var s$ = this.cache[is] = this.cache[is] || [];
s$.push(data);
if (s$.length > this.MAX) {
s$.shift();
}
},
retrieve: function (is, keyValues, keyStyles) {
var cache = this.cache[is];
if (cache) {
for (var i = cache.length - 1, data; i >= 0; i--) {
data = cache[i];
if (keyStyles === data.styles && this._objectsEqual(keyValues, data.keyValues)) {
return data;
}
}
}
},
clear: function () {
this.cache = {};
},
_objectsEqual: function (target, source) {
var t, s;
for (var i in target) {
t = target[i], s = source[i];
if (!(typeof t === 'object' && t ? this._objectsStrictlyEqual(t, s) : t === s)) {
return false;
}
}
if (Array.isArray(target)) {
return target.length === source.length;
}
return true;
},
_objectsStrictlyEqual: function (target, source) {
return this._objectsEqual(target, source) && this._objectsEqual(source, target);
}
};
}());Polymer.StyleDefaults = function () {
var styleProperties = Polymer.StyleProperties;
var StyleCache = Polymer.StyleCache;
var nativeVariables = Polymer.Settings.useNativeCSSProperties;
var api = {
_styles: [],
_properties: null,
customStyle: {},
_styleCache: new StyleCache(),
_element: Polymer.DomApi.wrap(document.documentElement),
addStyle: function (style) {
this._styles.push(style);
this._properties = null;
},
get _styleProperties() {
if (!this._properties) {
styleProperties.decorateStyles(this._styles, this);
this._styles._scopeStyleProperties = null;
this._properties = styleProperties.hostAndRootPropertiesForScope(this).rootProps;
styleProperties.mixinCustomStyle(this._properties, this.customStyle);
styleProperties.reify(this._properties);
}
return this._properties;
},
hasStyleProperties: function () {
return Boolean(this._properties);
},
_needsStyleProperties: function () {
},
_computeStyleProperties: function () {
return this._styleProperties;
},
updateStyles: function (properties) {
this._properties = null;
if (properties) {
Polymer.Base.mixin(this.customStyle, properties);
}
this._styleCache.clear();
for (var i = 0, s; i < this._styles.length; i++) {
s = this._styles[i];
s = s.__importElement || s;
s._apply();
}
if (nativeVariables) {
styleProperties.updateNativeStyleProperties(document.documentElement, this.customStyle);
}
}
};
return api;
}();(function () {
'use strict';
var serializeValueToAttribute = Polymer.Base.serializeValueToAttribute;
var propertyUtils = Polymer.StyleProperties;
var styleTransformer = Polymer.StyleTransformer;
var styleDefaults = Polymer.StyleDefaults;
var nativeShadow = Polymer.Settings.useNativeShadow;
var nativeVariables = Polymer.Settings.useNativeCSSProperties;
Polymer.Base._addFeature({
_prepStyleProperties: function () {
if (!nativeVariables) {
this._ownStylePropertyNames = this._styles && this._styles.length ? propertyUtils.decorateStyles(this._styles, this) : null;
}
},
customStyle: null,
getComputedStyleValue: function (property) {
if (!nativeVariables && !this._styleProperties) {
this._computeStyleProperties();
}
return !nativeVariables && this._styleProperties && this._styleProperties[property] || getComputedStyle(this).getPropertyValue(property);
},
_setupStyleProperties: function () {
this.customStyle = {};
this._styleCache = null;
this._styleProperties = null;
this._scopeSelector = null;
this._ownStyleProperties = null;
this._customStyle = null;
},
_needsStyleProperties: function () {
return Boolean(!nativeVariables && this._ownStylePropertyNames && this._ownStylePropertyNames.length);
},
_validateApplyShim: function () {
if (this.__applyShimInvalid) {
Polymer.ApplyShim.transform(this._styles, this.__proto__);
var cssText = styleTransformer.elementStyles(this);
if (nativeShadow) {
var templateStyle = this._template.content.querySelector('style');
if (templateStyle) {
templateStyle.textContent = cssText;
}
} else {
var shadyStyle = this._scopeStyle && this._scopeStyle.nextSibling;
if (shadyStyle) {
shadyStyle.textContent = cssText;
}
}
}
},
_beforeAttached: function () {
if ((!this._scopeSelector || this.__stylePropertiesInvalid) && this._needsStyleProperties()) {
this.__stylePropertiesInvalid = false;
this._updateStyleProperties();
}
},
_findStyleHost: function () {
var e = this, root;
while (root = Polymer.dom(e).getOwnerRoot()) {
if (Polymer.isInstance(root.host)) {
return root.host;
}
e = root.host;
}
return styleDefaults;
},
_updateStyleProperties: function () {
var info, scope = this._findStyleHost();
if (!scope._styleProperties) {
scope._computeStyleProperties();
}
if (!scope._styleCache) {
scope._styleCache = new Polymer.StyleCache();
}
var scopeData = propertyUtils.propertyDataFromStyles(scope._styles, this);
var scopeCacheable = !this.__notStyleScopeCacheable;
if (scopeCacheable) {
scopeData.key.customStyle = this.customStyle;
info = scope._styleCache.retrieve(this.is, scopeData.key, this._styles);
}
var scopeCached = Boolean(info);
if (scopeCached) {
this._styleProperties = info._styleProperties;
} else {
this._computeStyleProperties(scopeData.properties);
}
this._computeOwnStyleProperties();
if (!scopeCached) {
info = styleCache.retrieve(this.is, this._ownStyleProperties, this._styles);
}
var globalCached = Boolean(info) && !scopeCached;
var style = this._applyStyleProperties(info);
if (!scopeCached) {
style = style && nativeShadow ? style.cloneNode(true) : style;
info = {
style: style,
_scopeSelector: this._scopeSelector,
_styleProperties: this._styleProperties
};
if (scopeCacheable) {
scopeData.key.customStyle = {};
this.mixin(scopeData.key.customStyle, this.customStyle);
scope._styleCache.store(this.is, info, scopeData.key, this._styles);
}
if (!globalCached) {
styleCache.store(this.is, Object.create(info), this._ownStyleProperties, this._styles);
}
}
},
_computeStyleProperties: function (scopeProps) {
var scope = this._findStyleHost();
if (!scope._styleProperties) {
scope._computeStyleProperties();
}
var props = Object.create(scope._styleProperties);
var hostAndRootProps = propertyUtils.hostAndRootPropertiesForScope(this);
this.mixin(props, hostAndRootProps.hostProps);
scopeProps = scopeProps || propertyUtils.propertyDataFromStyles(scope._styles, this).properties;
this.mixin(props, scopeProps);
this.mixin(props, hostAndRootProps.rootProps);
propertyUtils.mixinCustomStyle(props, this.customStyle);
propertyUtils.reify(props);
this._styleProperties = props;
},
_computeOwnStyleProperties: function () {
var props = {};
for (var i = 0, n; i < this._ownStylePropertyNames.length; i++) {
n = this._ownStylePropertyNames[i];
props[n] = this._styleProperties[n];
}
this._ownStyleProperties = props;
},
_scopeCount: 0,
_applyStyleProperties: function (info) {
var oldScopeSelector = this._scopeSelector;
this._scopeSelector = info ? info._scopeSelector : this.is + '-' + this.__proto__._scopeCount++;
var style = propertyUtils.applyElementStyle(this, this._styleProperties, this._scopeSelector, info && info.style);
if (!nativeShadow) {
propertyUtils.applyElementScopeSelector(this, this._scopeSelector, oldScopeSelector, this._scopeCssViaAttr);
}
return style;
},
serializeValueToAttribute: function (value, attribute, node) {
node = node || this;
if (attribute === 'class' && !nativeShadow) {
var host = node === this ? this.domHost || this.dataHost : this;
if (host) {
value = host._scopeElementClass(node, value);
}
}
node = this.shadyRoot && this.shadyRoot._hasDistributed ? Polymer.dom(node) : node;
serializeValueToAttribute.call(this, value, attribute, node);
},
_scopeElementClass: function (element, selector) {
if (!nativeShadow && !this._scopeCssViaAttr) {
selector = (selector ? selector + ' ' : '') + SCOPE_NAME + ' ' + this.is + (element._scopeSelector ? ' ' + XSCOPE_NAME + ' ' + element._scopeSelector : '');
}
return selector;
},
updateStyles: function (properties) {
if (properties) {
this.mixin(this.customStyle, properties);
}
if (nativeVariables) {
propertyUtils.updateNativeStyleProperties(this, this.customStyle);
} else {
if (this.isAttached) {
if (this._needsStyleProperties()) {
this._updateStyleProperties();
} else {
this._styleProperties = null;
}
} else {
this.__stylePropertiesInvalid = true;
}
if (this._styleCache) {
this._styleCache.clear();
}
this._updateRootStyles();
}
},
_updateRootStyles: function (root) {
root = root || this.root;
var c$ = Polymer.dom(root)._query(function (e) {
return e.shadyRoot || e.shadowRoot;
});
for (var i = 0, l = c$.length, c; i < l && (c = c$[i]); i++) {
if (c.updateStyles) {
c.updateStyles();
}
}
}
});
Polymer.updateStyles = function (properties) {
styleDefaults.updateStyles(properties);
Polymer.Base._updateRootStyles(document);
};
var styleCache = new Polymer.StyleCache();
Polymer.customStyleCache = styleCache;
var SCOPE_NAME = styleTransformer.SCOPE_NAME;
var XSCOPE_NAME = propertyUtils.XSCOPE_NAME;
}());Polymer.Base._addFeature({
_registerFeatures: function () {
this._prepIs();
if (this.factoryImpl) {
this._prepConstructor();
}
this._prepStyles();
},
_finishRegisterFeatures: function () {
this._prepTemplate();
this._prepShimStyles();
this._prepAnnotations();
this._prepEffects();
this._prepBehaviors();
this._prepPropertyInfo();
this._prepBindings();
this._prepShady();
},
_prepBehavior: function (b) {
this._addPropertyEffects(b.properties);
this._addComplexObserverEffects(b.observers);
this._addHostAttributes(b.hostAttributes);
},
_initFeatures: function () {
this._setupGestures();
this._setupConfigure(this.__data__);
this._setupStyleProperties();
this._setupDebouncers();
this._setupShady();
this._registerHost();
if (this._template) {
this._validateApplyShim();
this._poolContent();
this._beginHosting();
this._stampTemplate();
this._endHosting();
this._marshalAnnotationReferences();
}
this._marshalInstanceEffects();
this._marshalBehaviors();
this._marshalHostAttributes();
this._marshalAttributes();
this._tryReady();
},
_marshalBehavior: function (b) {
if (b.listeners) {
this._listenListeners(b.listeners);
}
}
});(function () {
var propertyUtils = Polymer.StyleProperties;
var styleUtil = Polymer.StyleUtil;
var cssParse = Polymer.CssParse;
var styleDefaults = Polymer.StyleDefaults;
var styleTransformer = Polymer.StyleTransformer;
var applyShim = Polymer.ApplyShim;
var debounce = Polymer.Debounce;
var settings = Polymer.Settings;
var updateDebouncer;
Polymer({
is: 'custom-style',
extends: 'style',
_template: null,
properties: { include: String },
ready: function () {
this.__appliedElement = this.__appliedElement || this;
this.__cssBuild = styleUtil.getCssBuildType(this);
if (this.__appliedElement !== this) {
this.__appliedElement.__cssBuild = this.__cssBuild;
}
this._tryApply();
},
attached: function () {
this._tryApply();
},
_tryApply: function () {
if (!this._appliesToDocument) {
if (this.parentNode && this.parentNode.localName !== 'dom-module') {
this._appliesToDocument = true;
var e = this.__appliedElement;
if (!settings.useNativeCSSProperties) {
this.__needsUpdateStyles = styleDefaults.hasStyleProperties();
styleDefaults.addStyle(e);
}
if (e.textContent || this.include) {
this._apply(true);
} else {
var self = this;
var observer = new MutationObserver(function () {
observer.disconnect();
self._apply(true);
});
observer.observe(e, { childList: true });
}
}
}
},
_updateStyles: function () {
Polymer.updateStyles();
},
_apply: function (initialApply) {
var e = this.__appliedElement;
if (this.include) {
e.textContent = styleUtil.cssFromModules(this.include, true) + e.textContent;
}
if (!e.textContent) {
return;
}
var buildType = this.__cssBuild;
var targetedBuild = styleUtil.isTargetedBuild(buildType);
if (settings.useNativeCSSProperties && targetedBuild) {
return;
}
var styleRules = styleUtil.rulesForStyle(e);
if (!targetedBuild) {
styleUtil.forEachRule(styleRules, function (rule) {
styleTransformer.documentRule(rule);
});
if (settings.useNativeCSSProperties && !buildType) {
applyShim.transform([e]);
}
}
if (settings.useNativeCSSProperties) {
e.textContent = styleUtil.toCssText(styleRules);
} else {
var self = this;
var fn = function fn() {
self._flushCustomProperties();
};
if (initialApply) {
Polymer.RenderStatus.whenReady(fn);
} else {
fn();
}
}
},
_flushCustomProperties: function () {
if (this.__needsUpdateStyles) {
this.__needsUpdateStyles = false;
updateDebouncer = debounce(updateDebouncer, this._updateStyles);
} else {
this._applyCustomProperties();
}
},
_applyCustomProperties: function () {
var element = this.__appliedElement;
this._computeStyleProperties();
var props = this._styleProperties;
var rules = styleUtil.rulesForStyle(element);
if (!rules) {
return;
}
element.textContent = styleUtil.toCssText(rules, function (rule) {
var css = rule.cssText = rule.parsedCssText;
if (rule.propertyInfo && rule.propertyInfo.cssText) {
css = cssParse.removeCustomPropAssignment(css);
rule.cssText = propertyUtils.valueForProperties(css, props);
}
});
}
});
}());Polymer.Templatizer = {
properties: { __hideTemplateChildren__: { observer: '_showHideChildren' } },
_instanceProps: Polymer.nob,
_parentPropPrefix: '_parent_',
templatize: function (template) {
this._templatized = template;
if (!template._content) {
template._content = template.content;
}
if (template._content._ctor) {
this.ctor = template._content._ctor;
this._prepParentProperties(this.ctor.prototype, template);
return;
}
var archetype = Object.create(Polymer.Base);
this._customPrepAnnotations(archetype, template);
this._prepParentProperties(archetype, template);
archetype._prepEffects();
this._customPrepEffects(archetype);
archetype._prepBehaviors();
archetype._prepPropertyInfo();
archetype._prepBindings();
archetype._notifyPathUp = this._notifyPathUpImpl;
archetype._scopeElementClass = this._scopeElementClassImpl;
archetype.listen = this._listenImpl;
archetype._showHideChildren = this._showHideChildrenImpl;
archetype.__setPropertyOrig = this.__setProperty;
archetype.__setProperty = this.__setPropertyImpl;
var _constructor = this._constructorImpl;
var ctor = function TemplateInstance(model, host) {
_constructor.call(this, model, host);
};
ctor.prototype = archetype;
archetype.constructor = ctor;
template._content._ctor = ctor;
this.ctor = ctor;
},
_getRootDataHost: function () {
return this.dataHost && this.dataHost._rootDataHost || this.dataHost;
},
_showHideChildrenImpl: function (hide) {
var c = this._children;
for (var i = 0; i < c.length; i++) {
var n = c[i];
if (Boolean(hide) != Boolean(n.__hideTemplateChildren__)) {
if (n.nodeType === Node.TEXT_NODE) {
if (hide) {
n.__polymerTextContent__ = n.textContent;
n.textContent = '';
} else {
n.textContent = n.__polymerTextContent__;
}
} else if (n.style) {
if (hide) {
n.__polymerDisplay__ = n.style.display;
n.style.display = 'none';
} else {
n.style.display = n.__polymerDisplay__;
}
}
}
n.__hideTemplateChildren__ = hide;
}
},
__setPropertyImpl: function (property, value, fromAbove, node) {
if (node && node.__hideTemplateChildren__ && property == 'textContent') {
property = '__polymerTextContent__';
}
this.__setPropertyOrig(property, value, fromAbove, node);
},
_debounceTemplate: function (fn) {
Polymer.dom.addDebouncer(this.debounce('_debounceTemplate', fn));
},
_flushTemplates: function () {
Polymer.dom.flush();
},
_customPrepEffects: function (archetype) {
var parentProps = archetype._parentProps;
for (var prop in parentProps) {
archetype._addPropertyEffect(prop, 'function', this._createHostPropEffector(prop));
}
for (prop in this._instanceProps) {
archetype._addPropertyEffect(prop, 'function', this._createInstancePropEffector(prop));
}
},
_customPrepAnnotations: function (archetype, template) {
archetype._template = template;
var c = template._content;
if (!c._notes) {
var rootDataHost = archetype._rootDataHost;
if (rootDataHost) {
Polymer.Annotations.prepElement = function () {
rootDataHost._prepElement();
};
}
c._notes = Polymer.Annotations.parseAnnotations(template);
Polymer.Annotations.prepElement = null;
this._processAnnotations(c._notes);
}
archetype._notes = c._notes;
archetype._parentProps = c._parentProps;
},
_prepParentProperties: function (archetype, template) {
var parentProps = this._parentProps = archetype._parentProps;
if (this._forwardParentProp && parentProps) {
var proto = archetype._parentPropProto;
var prop;
if (!proto) {
for (prop in this._instanceProps) {
delete parentProps[prop];
}
proto = archetype._parentPropProto = Object.create(null);
if (template != this) {
Polymer.Bind.prepareModel(proto);
Polymer.Base.prepareModelNotifyPath(proto);
}
for (prop in parentProps) {
var parentProp = this._parentPropPrefix + prop;
var effects = [
{
kind: 'function',
effect: this._createForwardPropEffector(prop),
fn: Polymer.Bind._functionEffect
},
{
kind: 'notify',
fn: Polymer.Bind._notifyEffect,
effect: { event: Polymer.CaseMap.camelToDashCase(parentProp) + '-changed' }
}
];
proto._propertyEffects = proto._propertyEffects || {};
proto._propertyEffects[parentProp] = effects;
Polymer.Bind._createAccessors(proto, parentProp, effects);
}
}
var self = this;
if (template != this) {
Polymer.Bind.prepareInstance(template);
template._forwardParentProp = function (source, value) {
self._forwardParentProp(source, value);
};
}
this._extendTemplate(template, proto);
template._pathEffector = function (path, value, fromAbove) {
return self._pathEffectorImpl(path, value, fromAbove);
};
}
},
_createForwardPropEffector: function (prop) {
return function (source, value) {
this._forwardParentProp(prop, value);
};
},
_createHostPropEffector: function (prop) {
var prefix = this._parentPropPrefix;
return function (source, value) {
this.dataHost._templatized[prefix + prop] = value;
};
},
_createInstancePropEffector: function (prop) {
return function (source, value, old, fromAbove) {
if (!fromAbove) {
this.dataHost._forwardInstanceProp(this, prop, value);
}
};
},
_extendTemplate: function (template, proto) {
var n$ = Object.getOwnPropertyNames(proto);
if (proto._propertySetter) {
template._propertySetter = proto._propertySetter;
}
for (var i = 0, n; i < n$.length && (n = n$[i]); i++) {
var val = template[n];
if (val && n == '_propertyEffects') {
var pe = Polymer.Base.mixin({}, val);
template._propertyEffects = Polymer.Base.mixin(pe, proto._propertyEffects);
} else {
var pd = Object.getOwnPropertyDescriptor(proto, n);
Object.defineProperty(template, n, pd);
if (val !== undefined) {
template._propertySetter(n, val);
}
}
}
},
_showHideChildren: function (hidden) {
},
_forwardInstancePath: function (inst, path, value) {
},
_forwardInstanceProp: function (inst, prop, value) {
},
_notifyPathUpImpl: function (path, value) {
var dataHost = this.dataHost;
var root = Polymer.Path.root(path);
dataHost._forwardInstancePath.call(dataHost, this, path, value);
if (root in dataHost._parentProps) {
dataHost._templatized._notifyPath(dataHost._parentPropPrefix + path, value);
}
},
_pathEffectorImpl: function (path, value, fromAbove) {
if (this._forwardParentPath) {
if (path.indexOf(this._parentPropPrefix) === 0) {
var subPath = path.substring(this._parentPropPrefix.length);
var model = Polymer.Path.root(subPath);
if (model in this._parentProps) {
this._forwardParentPath(subPath, value);
}
}
}
Polymer.Base._pathEffector.call(this._templatized, path, value, fromAbove);
},
_constructorImpl: function (model, host) {
this._rootDataHost = host._getRootDataHost();
this._setupConfigure(model);
this._registerHost(host);
this._beginHosting();
this.root = this.instanceTemplate(this._template);
this.root.__noContent = !this._notes._hasContent;
this.root.__styleScoped = true;
this._endHosting();
this._marshalAnnotatedNodes();
this._marshalInstanceEffects();
this._marshalAnnotatedListeners();
var children = [];
for (var n = this.root.firstChild; n; n = n.nextSibling) {
children.push(n);
n._templateInstance = this;
}
this._children = children;
if (host.__hideTemplateChildren__) {
this._showHideChildren(true);
}
this._tryReady();
},
_listenImpl: function (node, eventName, methodName) {
var model = this;
var host = this._rootDataHost;
var handler = host._createEventHandler(node, eventName, methodName);
var decorated = function (e) {
e.model = model;
handler(e);
};
host._listen(node, eventName, decorated);
},
_scopeElementClassImpl: function (node, value) {
var host = this._rootDataHost;
if (host) {
return host._scopeElementClass(node, value);
}
return value;
},
stamp: function (model) {
model = model || {};
if (this._parentProps) {
var templatized = this._templatized;
for (var prop in this._parentProps) {
if (model[prop] === undefined) {
model[prop] = templatized[this._parentPropPrefix + prop];
}
}
}
return new this.ctor(model, this);
},
modelForElement: function (el) {
var model;
while (el) {
if (model = el._templateInstance) {
if (model.dataHost != this) {
el = model.dataHost;
} else {
return model;
}
} else {
el = el.parentNode;
}
}
}
};Polymer({
is: 'dom-template',
extends: 'template',
_template: null,
behaviors: [Polymer.Templatizer],
ready: function () {
this.templatize(this);
}
});Polymer._collections = new WeakMap();
Polymer.Collection = function (userArray) {
Polymer._collections.set(userArray, this);
this.userArray = userArray;
this.store = userArray.slice();
this.initMap();
};
Polymer.Collection.prototype = {
constructor: Polymer.Collection,
initMap: function () {
var omap = this.omap = new WeakMap();
var pmap = this.pmap = {};
var s = this.store;
for (var i = 0; i < s.length; i++) {
var item = s[i];
if (item && typeof item == 'object') {
omap.set(item, i);
} else {
pmap[item] = i;
}
}
},
add: function (item) {
var key = this.store.push(item) - 1;
if (item && typeof item == 'object') {
this.omap.set(item, key);
} else {
this.pmap[item] = key;
}
return '#' + key;
},
removeKey: function (key) {
if (key = this._parseKey(key)) {
this._removeFromMap(this.store[key]);
delete this.store[key];
}
},
_removeFromMap: function (item) {
if (item && typeof item == 'object') {
this.omap.delete(item);
} else {
delete this.pmap[item];
}
},
remove: function (item) {
var key = this.getKey(item);
this.removeKey(key);
return key;
},
getKey: function (item) {
var key;
if (item && typeof item == 'object') {
key = this.omap.get(item);
} else {
key = this.pmap[item];
}
if (key != undefined) {
return '#' + key;
}
},
getKeys: function () {
return Object.keys(this.store).map(function (key) {
return '#' + key;
});
},
_parseKey: function (key) {
if (key && key[0] == '#') {
return key.slice(1);
}
},
setItem: function (key, item) {
if (key = this._parseKey(key)) {
var old = this.store[key];
if (old) {
this._removeFromMap(old);
}
if (item && typeof item == 'object') {
this.omap.set(item, key);
} else {
this.pmap[item] = key;
}
this.store[key] = item;
}
},
getItem: function (key) {
if (key = this._parseKey(key)) {
return this.store[key];
}
},
getItems: function () {
var items = [], store = this.store;
for (var key in store) {
items.push(store[key]);
}
return items;
},
_applySplices: function (splices) {
var keyMap = {}, key;
for (var i = 0, s; i < splices.length && (s = splices[i]); i++) {
s.addedKeys = [];
for (var j = 0; j < s.removed.length; j++) {
key = this.getKey(s.removed[j]);
keyMap[key] = keyMap[key] ? null : -1;
}
for (j = 0; j < s.addedCount; j++) {
var item = this.userArray[s.index + j];
key = this.getKey(item);
key = key === undefined ? this.add(item) : key;
keyMap[key] = keyMap[key] ? null : 1;
s.addedKeys.push(key);
}
}
var removed = [];
var added = [];
for (key in keyMap) {
if (keyMap[key] < 0) {
this.removeKey(key);
removed.push(key);
}
if (keyMap[key] > 0) {
added.push(key);
}
}
return [{
removed: removed,
added: added
}];
}
};
Polymer.Collection.get = function (userArray) {
return Polymer._collections.get(userArray) || new Polymer.Collection(userArray);
};
Polymer.Collection.applySplices = function (userArray, splices) {
var coll = Polymer._collections.get(userArray);
return coll ? coll._applySplices(splices) : null;
};Polymer({
is: 'dom-repeat',
extends: 'template',
_template: null,
properties: {
items: { type: Array },
as: {
type: String,
value: 'item'
},
indexAs: {
type: String,
value: 'index'
},
sort: {
type: Function,
observer: '_sortChanged'
},
filter: {
type: Function,
observer: '_filterChanged'
},
observe: {
type: String,
observer: '_observeChanged'
},
delay: Number,
renderedItemCount: {
type: Number,
notify: !Polymer.Settings.suppressTemplateNotifications,
readOnly: true
},
initialCount: {
type: Number,
observer: '_initializeChunking'
},
targetFramerate: {
type: Number,
value: 20
},
notifyDomChange: { type: Boolean },
_targetFrameTime: {
type: Number,
computed: '_computeFrameTime(targetFramerate)'
}
},
behaviors: [Polymer.Templatizer],
observers: ['_itemsChanged(items.*)'],
created: function () {
this._instances = [];
this._pool = [];
this._limit = Infinity;
var self = this;
this._boundRenderChunk = function () {
self._renderChunk();
};
},
detached: function () {
this.__isDetached = true;
for (var i = 0; i < this._instances.length; i++) {
this._detachInstance(i);
}
},
attached: function () {
if (this.__isDetached) {
this.__isDetached = false;
var parent = Polymer.dom(Polymer.dom(this).parentNode);
for (var i = 0; i < this._instances.length; i++) {
this._attachInstance(i, parent);
}
}
},
ready: function () {
this._instanceProps = { __key__: true };
this._instanceProps[this.as] = true;
this._instanceProps[this.indexAs] = true;
if (!this.ctor) {
this.templatize(this);
}
},
_sortChanged: function (sort) {
var dataHost = this._getRootDataHost();
this._sortFn = sort && (typeof sort == 'function' ? sort : function () {
return dataHost[sort].apply(dataHost, arguments);
});
this._needFullRefresh = true;
if (this.items) {
this._debounceTemplate(this._render);
}
},
_filterChanged: function (filter) {
var dataHost = this._getRootDataHost();
this._filterFn = filter && (typeof filter == 'function' ? filter : function () {
return dataHost[filter].apply(dataHost, arguments);
});
this._needFullRefresh = true;
if (this.items) {
this._debounceTemplate(this._render);
}
},
_computeFrameTime: function (rate) {
return Math.ceil(1000 / rate);
},
_initializeChunking: function () {
if (this.initialCount) {
this._limit = this.initialCount;
this._chunkCount = this.initialCount;
this._lastChunkTime = performance.now();
}
},
_tryRenderChunk: function () {
if (this.items && this._limit < this.items.length) {
this.debounce('renderChunk', this._requestRenderChunk);
}
},
_requestRenderChunk: function () {
requestAnimationFrame(this._boundRenderChunk);
},
_renderChunk: function () {
var currChunkTime = performance.now();
var ratio = this._targetFrameTime / (currChunkTime - this._lastChunkTime);
this._chunkCount = Math.round(this._chunkCount * ratio) || 1;
this._limit += this._chunkCount;
this._lastChunkTime = currChunkTime;
this._debounceTemplate(this._render);
},
_observeChanged: function () {
this._observePaths = this.observe && this.observe.replace('.*', '.').split(' ');
},
_itemsChanged: function (change) {
if (change.path == 'items') {
if (Array.isArray(this.items)) {
this.collection = Polymer.Collection.get(this.items);
} else if (!this.items) {
this.collection = null;
} else {
this._error(this._logf('dom-repeat', 'expected array for `items`,' + ' found', this.items));
}
this._keySplices = [];
this._indexSplices = [];
this._needFullRefresh = true;
this._initializeChunking();
this._debounceTemplate(this._render);
} else if (change.path == 'items.splices') {
this._keySplices = this._keySplices.concat(change.value.keySplices);
this._indexSplices = this._indexSplices.concat(change.value.indexSplices);
this._debounceTemplate(this._render);
} else {
var subpath = change.path.slice(6);
this._forwardItemPath(subpath, change.value);
this._checkObservedPaths(subpath);
}
},
_checkObservedPaths: function (path) {
if (this._observePaths) {
path = path.substring(path.indexOf('.') + 1);
var paths = this._observePaths;
for (var i = 0; i < paths.length; i++) {
if (path.indexOf(paths[i]) === 0) {
this._needFullRefresh = true;
if (this.delay) {
this.debounce('render', this._render, this.delay);
} else {
this._debounceTemplate(this._render);
}
return;
}
}
}
},
render: function () {
this._needFullRefresh = true;
this._debounceTemplate(this._render);
this._flushTemplates();
},
_render: function () {
if (this._needFullRefresh) {
this._applyFullRefresh();
this._needFullRefresh = false;
} else if (this._keySplices.length) {
if (this._sortFn) {
this._applySplicesUserSort(this._keySplices);
} else {
if (this._filterFn) {
this._applyFullRefresh();
} else {
this._applySplicesArrayOrder(this._indexSplices);
}
}
} else {
}
this._keySplices = [];
this._indexSplices = [];
var keyToIdx = this._keyToInstIdx = {};
for (var i = this._instances.length - 1; i >= 0; i--) {
var inst = this._instances[i];
if (inst.isPlaceholder && i < this._limit) {
inst = this._insertInstance(i, inst.__key__);
} else if (!inst.isPlaceholder && i >= this._limit) {
inst = this._downgradeInstance(i, inst.__key__);
}
keyToIdx[inst.__key__] = i;
if (!inst.isPlaceholder) {
inst.__setProperty(this.indexAs, i, true);
}
}
this._pool.length = 0;
this._setRenderedItemCount(this._instances.length);
if (!Polymer.Settings.suppressTemplateNotifications || this.notifyDomChange) {
this.fire('dom-change');
}
this._tryRenderChunk();
},
_applyFullRefresh: function () {
var c = this.collection;
var keys;
if (this._sortFn) {
keys = c ? c.getKeys() : [];
} else {
keys = [];
var items = this.items;
if (items) {
for (var i = 0; i < items.length; i++) {
keys.push(c.getKey(items[i]));
}
}
}
var self = this;
if (this._filterFn) {
keys = keys.filter(function (a) {
return self._filterFn(c.getItem(a));
});
}
if (this._sortFn) {
keys.sort(function (a, b) {
return self._sortFn(c.getItem(a), c.getItem(b));
});
}
for (i = 0; i < keys.length; i++) {
var key = keys[i];
var inst = this._instances[i];
if (inst) {
inst.__key__ = key;
if (!inst.isPlaceholder && i < this._limit) {
inst.__setProperty(this.as, c.getItem(key), true);
}
} else if (i < this._limit) {
this._insertInstance(i, key);
} else {
this._insertPlaceholder(i, key);
}
}
for (var j = this._instances.length - 1; j >= i; j--) {
this._detachAndRemoveInstance(j);
}
},
_numericSort: function (a, b) {
return a - b;
},
_applySplicesUserSort: function (splices) {
var c = this.collection;
var keyMap = {};
var key;
for (var i = 0, s; i < splices.length && (s = splices[i]); i++) {
for (var j = 0; j < s.removed.length; j++) {
key = s.removed[j];
keyMap[key] = keyMap[key] ? null : -1;
}
for (j = 0; j < s.added.length; j++) {
key = s.added[j];
keyMap[key] = keyMap[key] ? null : 1;
}
}
var removedIdxs = [];
var addedKeys = [];
for (key in keyMap) {
if (keyMap[key] === -1) {
removedIdxs.push(this._keyToInstIdx[key]);
}
if (keyMap[key] === 1) {
addedKeys.push(key);
}
}
if (removedIdxs.length) {
removedIdxs.sort(this._numericSort);
for (i = removedIdxs.length - 1; i >= 0; i--) {
var idx = removedIdxs[i];
if (idx !== undefined) {
this._detachAndRemoveInstance(idx);
}
}
}
var self = this;
if (addedKeys.length) {
if (this._filterFn) {
addedKeys = addedKeys.filter(function (a) {
return self._filterFn(c.getItem(a));
});
}
addedKeys.sort(function (a, b) {
return self._sortFn(c.getItem(a), c.getItem(b));
});
var start = 0;
for (i = 0; i < addedKeys.length; i++) {
start = this._insertRowUserSort(start, addedKeys[i]);
}
}
},
_insertRowUserSort: function (start, key) {
var c = this.collection;
var item = c.getItem(key);
var end = this._instances.length - 1;
var idx = -1;
while (start <= end) {
var mid = start + end >> 1;
var midKey = this._instances[mid].__key__;
var cmp = this._sortFn(c.getItem(midKey), item);
if (cmp < 0) {
start = mid + 1;
} else if (cmp > 0) {
end = mid - 1;
} else {
idx = mid;
break;
}
}
if (idx < 0) {
idx = end + 1;
}
this._insertPlaceholder(idx, key);
return idx;
},
_applySplicesArrayOrder: function (splices) {
for (var i = 0, s; i < splices.length && (s = splices[i]); i++) {
for (var j = 0; j < s.removed.length; j++) {
this._detachAndRemoveInstance(s.index);
}
for (j = 0; j < s.addedKeys.length; j++) {
this._insertPlaceholder(s.index + j, s.addedKeys[j]);
}
}
},
_detachInstance: function (idx) {
var inst = this._instances[idx];
if (!inst.isPlaceholder) {
for (var i = 0; i < inst._children.length; i++) {
var el = inst._children[i];
Polymer.dom(inst.root).appendChild(el);
}
return inst;
}
},
_attachInstance: function (idx, parent) {
var inst = this._instances[idx];
if (!inst.isPlaceholder) {
parent.insertBefore(inst.root, this);
}
},
_detachAndRemoveInstance: function (idx) {
var inst = this._detachInstance(idx);
if (inst) {
this._pool.push(inst);
}
this._instances.splice(idx, 1);
},
_insertPlaceholder: function (idx, key) {
this._instances.splice(idx, 0, {
isPlaceholder: true,
__key__: key
});
},
_stampInstance: function (idx, key) {
var model = { __key__: key };
model[this.as] = this.collection.getItem(key);
model[this.indexAs] = idx;
return this.stamp(model);
},
_insertInstance: function (idx, key) {
var inst = this._pool.pop();
if (inst) {
inst.__setProperty(this.as, this.collection.getItem(key), true);
inst.__setProperty('__key__', key, true);
} else {
inst = this._stampInstance(idx, key);
}
var beforeRow = this._instances[idx + 1];
var beforeNode = beforeRow && !beforeRow.isPlaceholder ? beforeRow._children[0] : this;
var parentNode = Polymer.dom(this).parentNode;
Polymer.dom(parentNode).insertBefore(inst.root, beforeNode);
this._instances[idx] = inst;
return inst;
},
_downgradeInstance: function (idx, key) {
var inst = this._detachInstance(idx);
if (inst) {
this._pool.push(inst);
}
inst = {
isPlaceholder: true,
__key__: key
};
this._instances[idx] = inst;
return inst;
},
_showHideChildren: function (hidden) {
for (var i = 0; i < this._instances.length; i++) {
if (!this._instances[i].isPlaceholder)
this._instances[i]._showHideChildren(hidden);
}
},
_forwardInstanceProp: function (inst, prop, value) {
if (prop == this.as) {
var idx;
if (this._sortFn || this._filterFn) {
idx = this.items.indexOf(this.collection.getItem(inst.__key__));
} else {
idx = inst[this.indexAs];
}
this.set('items.' + idx, value);
}
},
_forwardInstancePath: function (inst, path, value) {
if (path.indexOf(this.as + '.') === 0) {
this._notifyPath('items.' + inst.__key__ + '.' + path.slice(this.as.length + 1), value);
}
},
_forwardParentProp: function (prop, value) {
var i$ = this._instances;
for (var i = 0, inst; i < i$.length && (inst = i$[i]); i++) {
if (!inst.isPlaceholder) {
inst.__setProperty(prop, value, true);
}
}
},
_forwardParentPath: function (path, value) {
var i$ = this._instances;
for (var i = 0, inst; i < i$.length && (inst = i$[i]); i++) {
if (!inst.isPlaceholder) {
inst._notifyPath(path, value, true);
}
}
},
_forwardItemPath: function (path, value) {
if (this._keyToInstIdx) {
var dot = path.indexOf('.');
var key = path.substring(0, dot < 0 ? path.length : dot);
var idx = this._keyToInstIdx[key];
var inst = this._instances[idx];
if (inst && !inst.isPlaceholder) {
if (dot >= 0) {
path = this.as + '.' + path.substring(dot + 1);
inst._notifyPath(path, value, true);
} else {
inst.__setProperty(this.as, value, true);
}
}
}
},
itemForElement: function (el) {
var instance = this.modelForElement(el);
return instance && instance[this.as];
},
keyForElement: function (el) {
var instance = this.modelForElement(el);
return instance && instance.__key__;
},
indexForElement: function (el) {
var instance = this.modelForElement(el);
return instance && instance[this.indexAs];
}
});Polymer({
is: 'array-selector',
_template: null,
properties: {
items: {
type: Array,
observer: 'clearSelection'
},
multi: {
type: Boolean,
value: false,
observer: 'clearSelection'
},
selected: {
type: Object,
notify: true
},
selectedItem: {
type: Object,
notify: true
},
toggle: {
type: Boolean,
value: false
}
},
clearSelection: function () {
if (Array.isArray(this.selected)) {
for (var i = 0; i < this.selected.length; i++) {
this.unlinkPaths('selected.' + i);
}
} else {
this.unlinkPaths('selected');
this.unlinkPaths('selectedItem');
}
if (this.multi) {
if (!this.selected || this.selected.length) {
this.selected = [];
this._selectedColl = Polymer.Collection.get(this.selected);
}
} else {
this.selected = null;
this._selectedColl = null;
}
this.selectedItem = null;
},
isSelected: function (item) {
if (this.multi) {
return this._selectedColl.getKey(item) !== undefined;
} else {
return this.selected == item;
}
},
deselect: function (item) {
if (this.multi) {
if (this.isSelected(item)) {
var skey = this._selectedColl.getKey(item);
this.arrayDelete('selected', item);
this.unlinkPaths('selected.' + skey);
}
} else {
this.selected = null;
this.selectedItem = null;
this.unlinkPaths('selected');
this.unlinkPaths('selectedItem');
}
},
select: function (item) {
var icol = Polymer.Collection.get(this.items);
var key = icol.getKey(item);
if (this.multi) {
if (this.isSelected(item)) {
if (this.toggle) {
this.deselect(item);
}
} else {
this.push('selected', item);
var skey = this._selectedColl.getKey(item);
this.linkPaths('selected.' + skey, 'items.' + key);
}
} else {
if (this.toggle && item == this.selected) {
this.deselect();
} else {
this.selected = item;
this.selectedItem = item;
this.linkPaths('selected', 'items.' + key);
this.linkPaths('selectedItem', 'items.' + key);
}
}
}
});Polymer({
is: 'dom-if',
extends: 'template',
_template: null,
properties: {
'if': {
type: Boolean,
value: false,
observer: '_queueRender'
},
restamp: {
type: Boolean,
value: false,
observer: '_queueRender'
},
notifyDomChange: { type: Boolean }
},
behaviors: [Polymer.Templatizer],
_queueRender: function () {
this._debounceTemplate(this._render);
},
detached: function () {
if (!this.parentNode || this.parentNode.nodeType == Node.DOCUMENT_FRAGMENT_NODE && (!Polymer.Settings.hasShadow || !(this.parentNode instanceof ShadowRoot))) {
this._teardownInstance();
}
},
attached: function () {
if (this.if && this.ctor) {
this.async(this._ensureInstance);
}
},
render: function () {
this._flushTemplates();
},
_render: function () {
if (this.if) {
if (!this.ctor) {
this.templatize(this);
}
this._ensureInstance();
this._showHideChildren();
} else if (this.restamp) {
this._teardownInstance();
}
if (!this.restamp && this._instance) {
this._showHideChildren();
}
if (this.if != this._lastIf) {
if (!Polymer.Settings.suppressTemplateNotifications || this.notifyDomChange) {
this.fire('dom-change');
}
this._lastIf = this.if;
}
},
_ensureInstance: function () {
var parentNode = Polymer.dom(this).parentNode;
if (parentNode) {
var parent = Polymer.dom(parentNode);
if (!this._instance) {
this._instance = this.stamp();
var root = this._instance.root;
parent.insertBefore(root, this);
} else {
var c$ = this._instance._children;
if (c$ && c$.length) {
var lastChild = Polymer.dom(this).previousSibling;
if (lastChild !== c$[c$.length - 1]) {
for (var i = 0, n; i < c$.length && (n = c$[i]); i++) {
parent.insertBefore(n, this);
}
}
}
}
}
},
_teardownInstance: function () {
if (this._instance) {
var c$ = this._instance._children;
if (c$ && c$.length) {
var parent = Polymer.dom(Polymer.dom(c$[0]).parentNode);
for (var i = 0, n; i < c$.length && (n = c$[i]); i++) {
parent.removeChild(n);
}
}
this._instance = null;
}
},
_showHideChildren: function () {
var hidden = this.__hideTemplateChildren__ || !this.if;
if (this._instance) {
this._instance._showHideChildren(hidden);
}
},
_forwardParentProp: function (prop, value) {
if (this._instance) {
this._instance.__setProperty(prop, value, true);
}
},
_forwardParentPath: function (path, value) {
if (this._instance) {
this._instance._notifyPath(path, value, true);
}
}
});Polymer({
is: 'dom-bind',
properties: { notifyDomChange: { type: Boolean } },
extends: 'template',
_template: null,
created: function () {
var self = this;
Polymer.RenderStatus.whenReady(function () {
if (document.readyState == 'loading') {
document.addEventListener('DOMContentLoaded', function () {
self._markImportsReady();
});
} else {
self._markImportsReady();
}
});
},
_ensureReady: function () {
if (!this._readied) {
this._readySelf();
}
},
_markImportsReady: function () {
this._importsReady = true;
this._ensureReady();
},
_registerFeatures: function () {
this._prepConstructor();
},
_insertChildren: function () {
var parentDom = Polymer.dom(Polymer.dom(this).parentNode);
parentDom.insertBefore(this.root, this);
},
_removeChildren: function () {
if (this._children) {
for (var i = 0; i < this._children.length; i++) {
this.root.appendChild(this._children[i]);
}
}
},
_initFeatures: function () {
},
_scopeElementClass: function (element, selector) {
if (this.dataHost) {
return this.dataHost._scopeElementClass(element, selector);
} else {
return selector;
}
},
_configureInstanceProperties: function () {
},
_prepConfigure: function () {
var config = {};
for (var prop in this._propertyEffects) {
config[prop] = this[prop];
}
var setupConfigure = this._setupConfigure;
this._setupConfigure = function () {
setupConfigure.call(this, config);
};
},
attached: function () {
if (this._importsReady) {
this.render();
}
},
detached: function () {
this._removeChildren();
},
render: function () {
this._ensureReady();
if (!this._children) {
this._template = this;
this._prepAnnotations();
this._prepEffects();
this._prepBehaviors();
this._prepConfigure();
this._prepBindings();
this._prepPropertyInfo();
Polymer.Base._initFeatures.call(this);
this._children = Polymer.TreeApi.arrayCopyChildNodes(this.root);
}
this._insertChildren();
if (!Polymer.Settings.suppressTemplateNotifications || this.notifyDomChange) {
this.fire('dom-change');
}
}
});</script><!--
@license
Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
The `iron-icon` element displays an icon. By default an icon renders as a 24px square.
Example using src:
<iron-icon src="star.png"></iron-icon>
Example setting size to 32px x 32px:
<iron-icon class="big" src="big_star.png"></iron-icon>
<style is="custom-style">
.big {
--iron-icon-height: 32px;
--iron-icon-width: 32px;
}
</style>
The iron elements include several sets of icons.
To use the default set of icons, import `iron-icons.html` and use the `icon` attribute to specify an icon:
<link rel="import" href="/components/iron-icons/iron-icons.html">
<iron-icon icon="menu"></iron-icon>
To use a different built-in set of icons, import the specific `iron-icons/<iconset>-icons.html`, and
specify the icon as `<iconset>:<icon>`. For example, to use a communication icon, you would
use:
<link rel="import" href="/components/iron-icons/communication-icons.html">
<iron-icon icon="communication:email"></iron-icon>
You can also create custom icon sets of bitmap or SVG icons.
Example of using an icon named `cherry` from a custom iconset with the ID `fruit`:
<iron-icon icon="fruit:cherry"></iron-icon>
See [iron-iconset](iron-iconset) and [iron-iconset-svg](iron-iconset-svg) for more information about
how to create a custom iconset.
See the [iron-icons demo](iron-icons?view=demo:demo/index.html) to see the icons available
in the various iconsets.
To load a subset of icons from one of the default `iron-icons` sets, you can
use the [poly-icon](https://poly-icon.appspot.com/) tool. It allows you
to select individual icons, and creates an iconset from them that you can
use directly in your elements.
### Styling
The following custom properties are available for styling:
Custom property | Description | Default
----------------|-------------|----------
`--iron-icon` | Mixin applied to the icon | {}
`--iron-icon-width` | Width of the icon | `24px`
`--iron-icon-height` | Height of the icon | `24px`
`--iron-icon-fill-color` | Fill color of the svg icon | `currentcolor`
`--iron-icon-stroke-color` | Stroke color of the svg icon | none
@group Iron Elements
@element iron-icon
@demo demo/index.html
@hero hero.svg
@homepage polymer.github.io
-->
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
`iron-meta` is a generic element you can use for sharing information across the DOM tree.
It uses [monostate pattern](http://c2.com/cgi/wiki?MonostatePattern) such that any
instance of iron-meta has access to the shared
information. You can use `iron-meta` to share whatever you want (or create an extension
[like x-meta] for enhancements).
The `iron-meta` instances containing your actual data can be loaded in an import,
or constructed in any way you see fit. The only requirement is that you create them
before you try to access them.
Examples:
If I create an instance like this:
<iron-meta key="info" value="foo/bar"></iron-meta>
Note that value="foo/bar" is the metadata I've defined. I could define more
attributes or use child nodes to define additional metadata.
Now I can access that element (and it's metadata) from any iron-meta instance
via the byKey method, e.g.
meta.byKey('info');
Pure imperative form would be like:
document.createElement('iron-meta').byKey('info');
Or, in a Polymer element, you can include a meta in your template:
<iron-meta id="meta"></iron-meta>
...
this.$.meta.byKey('info');
@group Iron Elements
@demo demo/index.html
@hero hero.svg
@element iron-meta
-->
<script>
(function() {
// monostate data
var metaDatas = {};
var metaArrays = {};
var singleton = null;
Polymer.IronMeta = Polymer({
is: 'iron-meta',
properties: {
/**
* The type of meta-data. All meta-data of the same type is stored
* together.
*/
type: {
type: String,
value: 'default',
observer: '_typeChanged'
},
/**
* The key used to store `value` under the `type` namespace.
*/
key: {
type: String,
observer: '_keyChanged'
},
/**
* The meta-data to store or retrieve.
*/
value: {
type: Object,
notify: true,
observer: '_valueChanged'
},
/**
* If true, `value` is set to the iron-meta instance itself.
*/
self: {
type: Boolean,
observer: '_selfChanged'
},
/**
* Array of all meta-data values for the given type.
*/
list: {
type: Array,
notify: true
}
},
hostAttributes: {
hidden: true
},
/**
* Only runs if someone invokes the factory/constructor directly
* e.g. `new Polymer.IronMeta()`
*
* @param {{type: (string|undefined), key: (string|undefined), value}=} config
*/
factoryImpl: function(config) {
if (config) {
for (var n in config) {
switch(n) {
case 'type':
case 'key':
case 'value':
this[n] = config[n];
break;
}
}
}
},
created: function() {
// TODO(sjmiles): good for debugging?
this._metaDatas = metaDatas;
this._metaArrays = metaArrays;
},
_keyChanged: function(key, old) {
this._resetRegistration(old);
},
_valueChanged: function(value) {
this._resetRegistration(this.key);
},
_selfChanged: function(self) {
if (self) {
this.value = this;
}
},
_typeChanged: function(type) {
this._unregisterKey(this.key);
if (!metaDatas[type]) {
metaDatas[type] = {};
}
this._metaData = metaDatas[type];
if (!metaArrays[type]) {
metaArrays[type] = [];
}
this.list = metaArrays[type];
this._registerKeyValue(this.key, this.value);
},
/**
* Retrieves meta data value by key.
*
* @method byKey
* @param {string} key The key of the meta-data to be returned.
* @return {*}
*/
byKey: function(key) {
return this._metaData && this._metaData[key];
},
_resetRegistration: function(oldKey) {
this._unregisterKey(oldKey);
this._registerKeyValue(this.key, this.value);
},
_unregisterKey: function(key) {
this._unregister(key, this._metaData, this.list);
},
_registerKeyValue: function(key, value) {
this._register(key, value, this._metaData, this.list);
},
_register: function(key, value, data, list) {
if (key && data && value !== undefined) {
data[key] = value;
list.push(value);
}
},
_unregister: function(key, data, list) {
if (key && data) {
if (key in data) {
var value = data[key];
delete data[key];
this.arrayDelete(list, value);
}
}
}
});
Polymer.IronMeta.getIronMeta = function getIronMeta() {
if (singleton === null) {
singleton = new Polymer.IronMeta();
}
return singleton;
};
/**
`iron-meta-query` can be used to access infomation stored in `iron-meta`.
Examples:
If I create an instance like this:
<iron-meta key="info" value="foo/bar"></iron-meta>
Note that value="foo/bar" is the metadata I've defined. I could define more
attributes or use child nodes to define additional metadata.
Now I can access that element (and it's metadata) from any `iron-meta-query` instance:
var value = new Polymer.IronMetaQuery({key: 'info'}).value;
@group Polymer Iron Elements
@element iron-meta-query
*/
Polymer.IronMetaQuery = Polymer({
is: 'iron-meta-query',
properties: {
/**
* The type of meta-data. All meta-data of the same type is stored
* together.
*/
type: {
type: String,
value: 'default',
observer: '_typeChanged'
},
/**
* Specifies a key to use for retrieving `value` from the `type`
* namespace.
*/
key: {
type: String,
observer: '_keyChanged'
},
/**
* The meta-data to store or retrieve.
*/
value: {
type: Object,
notify: true,
readOnly: true
},
/**
* Array of all meta-data values for the given type.
*/
list: {
type: Array,
notify: true
}
},
/**
* Actually a factory method, not a true constructor. Only runs if
* someone invokes it directly (via `new Polymer.IronMeta()`);
*
* @param {{type: (string|undefined), key: (string|undefined)}=} config
*/
factoryImpl: function(config) {
if (config) {
for (var n in config) {
switch(n) {
case 'type':
case 'key':
this[n] = config[n];
break;
}
}
}
},
created: function() {
// TODO(sjmiles): good for debugging?
this._metaDatas = metaDatas;
this._metaArrays = metaArrays;
},
_keyChanged: function(key) {
this._setValue(this._metaData && this._metaData[key]);
},
_typeChanged: function(type) {
this._metaData = metaDatas[type];
this.list = metaArrays[type];
if (this.key) {
this._keyChanged(this.key);
}
},
/**
* Retrieves meta data value by key.
* @param {string} key The key of the meta-data to be returned.
* @return {*}
*/
byKey: function(key) {
return this._metaData && this._metaData[key];
}
});
})();
</script><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
The `<iron-flex-layout>` component provides simple ways to use
[CSS flexible box layout](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Flexible_boxes),
also known as flexbox. This component provides two different ways to use flexbox:
1. [Layout classes](https://github.com/PolymerElements/iron-flex-layout/tree/master/iron-flex-layout-classes.html).
The layout class stylesheet provides a simple set of class-based flexbox rules, that
let you specify layout properties directly in markup. You must include this file
in every element that needs to use them.
Sample use:
<link rel="import" href="../iron-flex-layout/iron-flex-layout-classes.html">
<style is="custom-style" include="iron-flex iron-flex-alignment"></style>
<div class="layout horizontal layout-start">
<div>cross axis start alignment</div>
</div>
2. [Custom CSS mixins](https://github.com/PolymerElements/iron-flex-layout/blob/master/iron-flex-layout.html).
The mixin stylesheet includes custom CSS mixins that can be applied inside a CSS rule using the `@apply` function.
Please note that the old [/deep/ layout classes](https://github.com/PolymerElements/iron-flex-layout/tree/master/classes)
are deprecated, and should not be used. To continue using layout properties
directly in markup, please switch to using the new `dom-module`-based
[layout classes](https://github.com/PolymerElements/iron-flex-layout/tree/master/iron-flex-layout-classes.html).
Please note that the new version does not use `/deep/`, and therefore requires you
to import the `dom-modules` in every element that needs to use them.
A complete [guide](https://elements.polymer-project.org/guides/flex-layout) to `<iron-flex-layout>` is available.
@group Iron Elements
@pseudoElement iron-flex-layout
@demo demo/index.html
-->
<style>
/* IE 10 support for HTML5 hidden attr */
[hidden] {
display: none !important;
}
</style><style is="custom-style">
:root {
--layout: {
display: -ms-flexbox;
display: -webkit-flex;
display: flex;
};
--layout-inline: {
display: -ms-inline-flexbox;
display: -webkit-inline-flex;
display: inline-flex;
};
--layout-horizontal: {
@apply(--layout);
-ms-flex-direction: row;
-webkit-flex-direction: row;
flex-direction: row;
};
--layout-horizontal-reverse: {
@apply(--layout);
-ms-flex-direction: row-reverse;
-webkit-flex-direction: row-reverse;
flex-direction: row-reverse;
};
--layout-vertical: {
@apply(--layout);
-ms-flex-direction: column;
-webkit-flex-direction: column;
flex-direction: column;
};
--layout-vertical-reverse: {
@apply(--layout);
-ms-flex-direction: column-reverse;
-webkit-flex-direction: column-reverse;
flex-direction: column-reverse;
};
--layout-wrap: {
-ms-flex-wrap: wrap;
-webkit-flex-wrap: wrap;
flex-wrap: wrap;
};
--layout-no-wrap: {
-ms-flex-wrap: nowrap;
-webkit-flex-wrap: nowrap;
flex-wrap: nowrap;
};
--layout-wrap-reverse: {
-ms-flex-wrap: wrap-reverse;
-webkit-flex-wrap: wrap-reverse;
flex-wrap: wrap-reverse;
};
--layout-flex-auto: {
-ms-flex: 1 1 auto;
-webkit-flex: 1 1 auto;
flex: 1 1 auto;
};
--layout-flex-none: {
-ms-flex: none;
-webkit-flex: none;
flex: none;
};
--layout-flex: {
-ms-flex: 1 1 0.000000001px;
-webkit-flex: 1;
flex: 1;
-webkit-flex-basis: 0.000000001px;
flex-basis: 0.000000001px;
};
--layout-flex-2: {
-ms-flex: 2;
-webkit-flex: 2;
flex: 2;
};
--layout-flex-3: {
-ms-flex: 3;
-webkit-flex: 3;
flex: 3;
};
--layout-flex-4: {
-ms-flex: 4;
-webkit-flex: 4;
flex: 4;
};
--layout-flex-5: {
-ms-flex: 5;
-webkit-flex: 5;
flex: 5;
};
--layout-flex-6: {
-ms-flex: 6;
-webkit-flex: 6;
flex: 6;
};
--layout-flex-7: {
-ms-flex: 7;
-webkit-flex: 7;
flex: 7;
};
--layout-flex-8: {
-ms-flex: 8;
-webkit-flex: 8;
flex: 8;
};
--layout-flex-9: {
-ms-flex: 9;
-webkit-flex: 9;
flex: 9;
};
--layout-flex-10: {
-ms-flex: 10;
-webkit-flex: 10;
flex: 10;
};
--layout-flex-11: {
-ms-flex: 11;
-webkit-flex: 11;
flex: 11;
};
--layout-flex-12: {
-ms-flex: 12;
-webkit-flex: 12;
flex: 12;
};
/* alignment in cross axis */
--layout-start: {
-ms-flex-align: start;
-webkit-align-items: flex-start;
align-items: flex-start;
};
--layout-center: {
-ms-flex-align: center;
-webkit-align-items: center;
align-items: center;
};
--layout-end: {
-ms-flex-align: end;
-webkit-align-items: flex-end;
align-items: flex-end;
};
--layout-baseline: {
-ms-flex-align: baseline;
-webkit-align-items: baseline;
align-items: baseline;
};
/* alignment in main axis */
--layout-start-justified: {
-ms-flex-pack: start;
-webkit-justify-content: flex-start;
justify-content: flex-start;
};
--layout-center-justified: {
-ms-flex-pack: center;
-webkit-justify-content: center;
justify-content: center;
};
--layout-end-justified: {
-ms-flex-pack: end;
-webkit-justify-content: flex-end;
justify-content: flex-end;
};
--layout-around-justified: {
-ms-flex-pack: distribute;
-webkit-justify-content: space-around;
justify-content: space-around;
};
--layout-justified: {
-ms-flex-pack: justify;
-webkit-justify-content: space-between;
justify-content: space-between;
};
--layout-center-center: {
@apply(--layout-center);
@apply(--layout-center-justified);
};
/* self alignment */
--layout-self-start: {
-ms-align-self: flex-start;
-webkit-align-self: flex-start;
align-self: flex-start;
};
--layout-self-center: {
-ms-align-self: center;
-webkit-align-self: center;
align-self: center;
};
--layout-self-end: {
-ms-align-self: flex-end;
-webkit-align-self: flex-end;
align-self: flex-end;
};
--layout-self-stretch: {
-ms-align-self: stretch;
-webkit-align-self: stretch;
align-self: stretch;
};
--layout-self-baseline: {
-ms-align-self: baseline;
-webkit-align-self: baseline;
align-self: baseline;
};
/* multi-line alignment in main axis */
--layout-start-aligned: {
-ms-flex-line-pack: start; /* IE10 */
-ms-align-content: flex-start;
-webkit-align-content: flex-start;
align-content: flex-start;
};
--layout-end-aligned: {
-ms-flex-line-pack: end; /* IE10 */
-ms-align-content: flex-end;
-webkit-align-content: flex-end;
align-content: flex-end;
};
--layout-center-aligned: {
-ms-flex-line-pack: center; /* IE10 */
-ms-align-content: center;
-webkit-align-content: center;
align-content: center;
};
--layout-between-aligned: {
-ms-flex-line-pack: justify; /* IE10 */
-ms-align-content: space-between;
-webkit-align-content: space-between;
align-content: space-between;
};
--layout-around-aligned: {
-ms-flex-line-pack: distribute; /* IE10 */
-ms-align-content: space-around;
-webkit-align-content: space-around;
align-content: space-around;
};
/*******************************
Other Layout
*******************************/
--layout-block: {
display: block;
};
--layout-invisible: {
visibility: hidden !important;
};
--layout-relative: {
position: relative;
};
--layout-fit: {
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
};
--layout-scroll: {
-webkit-overflow-scrolling: touch;
overflow: auto;
};
--layout-fullbleed: {
margin: 0;
height: 100vh;
};
/* fixed position */
--layout-fixed-top: {
position: fixed;
top: 0;
left: 0;
right: 0;
};
--layout-fixed-right: {
position: fixed;
top: 0;
right: 0;
bottom: 0;
};
--layout-fixed-bottom: {
position: fixed;
right: 0;
bottom: 0;
left: 0;
};
--layout-fixed-left: {
position: fixed;
top: 0;
bottom: 0;
left: 0;
};
}
</style><dom-module id="iron-icon" assetpath="bower_components/iron-icon/">
<template>
<style>
:host {
@apply(--layout-inline);
@apply(--layout-center-center);
position: relative;
vertical-align: middle;
fill: var(--iron-icon-fill-color, currentcolor);
stroke: var(--iron-icon-stroke-color, none);
width: var(--iron-icon-width, 24px);
height: var(--iron-icon-height, 24px);
@apply(--iron-icon);
}
</style>
</template>
<script>
Polymer({
is: 'iron-icon',
properties: {
/**
* The name of the icon to use. The name should be of the form:
* `iconset_name:icon_name`.
*/
icon: {
type: String
},
/**
* The name of the theme to used, if one is specified by the
* iconset.
*/
theme: {
type: String
},
/**
* If using iron-icon without an iconset, you can set the src to be
* the URL of an individual icon image file. Note that this will take
* precedence over a given icon attribute.
*/
src: {
type: String
},
/**
* @type {!Polymer.IronMeta}
*/
_meta: {
value: Polymer.Base.create('iron-meta', {type: 'iconset'})
}
},
observers: [
'_updateIcon(_meta, isAttached)',
'_updateIcon(theme, isAttached)',
'_srcChanged(src, isAttached)',
'_iconChanged(icon, isAttached)'
],
_DEFAULT_ICONSET: 'icons',
_iconChanged: function(icon) {
var parts = (icon || '').split(':');
this._iconName = parts.pop();
this._iconsetName = parts.pop() || this._DEFAULT_ICONSET;
this._updateIcon();
},
_srcChanged: function(src) {
this._updateIcon();
},
_usesIconset: function() {
return this.icon || !this.src;
},
/** @suppress {visibility} */
_updateIcon: function() {
if (this._usesIconset()) {
if (this._img && this._img.parentNode) {
Polymer.dom(this.root).removeChild(this._img);
}
if (this._iconName === "") {
if (this._iconset) {
this._iconset.removeIcon(this);
}
} else if (this._iconsetName && this._meta) {
this._iconset = /** @type {?Polymer.Iconset} */ (
this._meta.byKey(this._iconsetName));
if (this._iconset) {
this._iconset.applyIcon(this, this._iconName, this.theme);
this.unlisten(window, 'iron-iconset-added', '_updateIcon');
} else {
this.listen(window, 'iron-iconset-added', '_updateIcon');
}
}
} else {
if (this._iconset) {
this._iconset.removeIcon(this);
}
if (!this._img) {
this._img = document.createElement('img');
this._img.style.width = '100%';
this._img.style.height = '100%';
this._img.draggable = false;
}
this._img.src = this.src;
Polymer.dom(this.root).appendChild(this._img);
}
}
});
</script>
</dom-module>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
/**
* The `iron-iconset-svg` element allows users to define their own icon sets
* that contain svg icons. The svg icon elements should be children of the
* `iron-iconset-svg` element. Multiple icons should be given distinct id's.
*
* Using svg elements to create icons has a few advantages over traditional
* bitmap graphics like jpg or png. Icons that use svg are vector based so
* they are resolution independent and should look good on any device. They
* are stylable via css. Icons can be themed, colorized, and even animated.
*
* Example:
*
* <iron-iconset-svg name="my-svg-icons" size="24">
* <svg>
* <defs>
* <g id="shape">
* <rect x="12" y="0" width="12" height="24" />
* <circle cx="12" cy="12" r="12" />
* </g>
* </defs>
* </svg>
* </iron-iconset-svg>
*
* This will automatically register the icon set "my-svg-icons" to the iconset
* database. To use these icons from within another element, make a
* `iron-iconset` element and call the `byId` method
* to retrieve a given iconset. To apply a particular icon inside an
* element use the `applyIcon` method. For example:
*
* iconset.applyIcon(iconNode, 'car');
*
* @element iron-iconset-svg
* @demo demo/index.html
* @implements {Polymer.Iconset}
*/
Polymer({
is: 'iron-iconset-svg',
properties: {
/**
* The name of the iconset.
*/
name: {
type: String,
observer: '_nameChanged'
},
/**
* The size of an individual icon. Note that icons must be square.
*/
size: {
type: Number,
value: 24
},
/**
* Set to true to enable mirroring of icons where specified when they are
* stamped. Icons that should be mirrored should be decorated with a
* `mirror-in-rtl` attribute.
*
* NOTE: For performance reasons, direction will be resolved once per
* document per iconset, so moving icons in and out of RTL subtrees will
* not cause their mirrored state to change.
*/
rtlMirroring: {
type: Boolean,
value: false
}
},
attached: function() {
this.style.display = 'none';
},
/**
* Construct an array of all icon names in this iconset.
*
* @return {!Array} Array of icon names.
*/
getIconNames: function() {
this._icons = this._createIconMap();
return Object.keys(this._icons).map(function(n) {
return this.name + ':' + n;
}, this);
},
/**
* Applies an icon to the given element.
*
* An svg icon is prepended to the element's shadowRoot if it exists,
* otherwise to the element itself.
*
* If RTL mirroring is enabled, and the icon is marked to be mirrored in
* RTL, the element will be tested (once and only once ever for each
* iconset) to determine the direction of the subtree the element is in.
* This direction will apply to all future icon applications, although only
* icons marked to be mirrored will be affected.
*
* @method applyIcon
* @param {Element} element Element to which the icon is applied.
* @param {string} iconName Name of the icon to apply.
* @return {?Element} The svg element which renders the icon.
*/
applyIcon: function(element, iconName) {
// insert svg element into shadow root, if it exists
element = element.root || element;
// Remove old svg element
this.removeIcon(element);
// install new svg element
var svg = this._cloneIcon(iconName,
this.rtlMirroring && this._targetIsRTL(element));
if (svg) {
var pde = Polymer.dom(element);
pde.insertBefore(svg, pde.childNodes[0]);
return element._svgIcon = svg;
}
return null;
},
/**
* Remove an icon from the given element by undoing the changes effected
* by `applyIcon`.
*
* @param {Element} element The element from which the icon is removed.
*/
removeIcon: function(element) {
// Remove old svg element
element = element.root || element;
if (element._svgIcon) {
Polymer.dom(element).removeChild(element._svgIcon);
element._svgIcon = null;
}
},
/**
* Measures and memoizes the direction of the element. Note that this
* measurement is only done once and the result is memoized for future
* invocations.
*/
_targetIsRTL: function(target) {
if (this.__targetIsRTL == null) {
if (target && target.nodeType !== Node.ELEMENT_NODE) {
target = target.host;
}
this.__targetIsRTL = target &&
window.getComputedStyle(target)['direction'] === 'rtl';
}
return this.__targetIsRTL;
},
/**
*
* When name is changed, register iconset metadata
*
*/
_nameChanged: function() {
new Polymer.IronMeta({type: 'iconset', key: this.name, value: this});
this.async(function() {
this.fire('iron-iconset-added', this, {node: window});
});
},
/**
* Create a map of child SVG elements by id.
*
* @return {!Object} Map of id's to SVG elements.
*/
_createIconMap: function() {
// Objects chained to Object.prototype (`{}`) have members. Specifically,
// on FF there is a `watch` method that confuses the icon map, so we
// need to use a null-based object here.
var icons = Object.create(null);
Polymer.dom(this).querySelectorAll('[id]')
.forEach(function(icon) {
icons[icon.id] = icon;
});
return icons;
},
/**
* Produce installable clone of the SVG element matching `id` in this
* iconset, or `undefined` if there is no matching element.
*
* @return {Element} Returns an installable clone of the SVG element
* matching `id`.
*/
_cloneIcon: function(id, mirrorAllowed) {
// create the icon map on-demand, since the iconset itself has no discrete
// signal to know when it's children are fully parsed
this._icons = this._icons || this._createIconMap();
return this._prepareSvgClone(this._icons[id], this.size, mirrorAllowed);
},
/**
* @param {Element} sourceSvg
* @param {number} size
* @param {Boolean} mirrorAllowed
* @return {Element}
*/
_prepareSvgClone: function(sourceSvg, size, mirrorAllowed) {
if (sourceSvg) {
var content = sourceSvg.cloneNode(true),
svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg'),
viewBox = content.getAttribute('viewBox') || '0 0 ' + size + ' ' + size,
cssText = 'pointer-events: none; display: block; width: 100%; height: 100%;';
if (mirrorAllowed && content.hasAttribute('mirror-in-rtl')) {
cssText += '-webkit-transform:scale(-1,1);transform:scale(-1,1);';
}
svg.setAttribute('viewBox', viewBox);
svg.setAttribute('preserveAspectRatio', 'xMidYMid meet');
// TODO(dfreedm): `pointer-events: none` works around https://crbug.com/370136
// TODO(sjmiles): inline style may not be ideal, but avoids requiring a shadow-root
svg.style.cssText = cssText;
svg.appendChild(content).removeAttribute('id');
return svg;
}
return null;
}
});
</script><iron-iconset-svg name="icons" size="24">
<svg><defs>
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</defs></svg>
</iron-iconset-svg>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
Material design: [Icon toggles](https://www.google.com/design/spec/components/buttons.html#buttons-toggle-buttons)
`paper-icon-button` is a button with an image placed at the center. When the user touches
the button, a ripple effect emanates from the center of the button.
`paper-icon-button` includes a default icon set. Use `icon` to specify which icon
from the icon set to use.
<paper-icon-button icon="menu"></paper-icon-button>
See [`iron-iconset`](iron-iconset) for more information about
how to use a custom icon set.
Example:
<link href="path/to/iron-icons/iron-icons.html" rel="import">
<paper-icon-button icon="favorite"></paper-icon-button>
<paper-icon-button src="star.png"></paper-icon-button>
To use `paper-icon-button` as a link, wrap it in an anchor tag. Since `paper-icon-button`
will already receive focus, you may want to prevent the anchor tag from receiving focus
as well by setting its tabindex to -1.
<a href="https://www.polymer-project.org" tabindex="-1">
<paper-icon-button icon="polymer"></paper-icon-button>
</a>
### Styling
Style the button with CSS as you would a normal DOM element. If you are using the icons
provided by `iron-icons`, they will inherit the foreground color of the button.
/* make a red "favorite" button */
<paper-icon-button icon="favorite" style="color: red;"></paper-icon-button>
By default, the ripple is the same color as the foreground at 25% opacity. You may
customize the color using the `--paper-icon-button-ink-color` custom property.
The following custom properties and mixins are available for styling:
Custom property | Description | Default
----------------|-------------|----------
`--paper-icon-button-disabled-text` | The color of the disabled button | `--disabled-text-color`
`--paper-icon-button-ink-color` | Selected/focus ripple color | `--primary-text-color`
`--paper-icon-button` | Mixin for a button | `{}`
`--paper-icon-button-disabled` | Mixin for a disabled button | `{}`
`--paper-icon-button-hover` | Mixin for button on hover | `{}`
@group Paper Elements
@element paper-icon-button
@demo demo/index.html
-->
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
(function() {
'use strict';
/**
* Chrome uses an older version of DOM Level 3 Keyboard Events
*
* Most keys are labeled as text, but some are Unicode codepoints.
* Values taken from: http://www.w3.org/TR/2007/WD-DOM-Level-3-Events-20071221/keyset.html#KeySet-Set
*/
var KEY_IDENTIFIER = {
'U+0008': 'backspace',
'U+0009': 'tab',
'U+001B': 'esc',
'U+0020': 'space',
'U+007F': 'del'
};
/**
* Special table for KeyboardEvent.keyCode.
* KeyboardEvent.keyIdentifier is better, and KeyBoardEvent.key is even better
* than that.
*
* Values from: https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent.keyCode#Value_of_keyCode
*/
var KEY_CODE = {
8: 'backspace',
9: 'tab',
13: 'enter',
27: 'esc',
33: 'pageup',
34: 'pagedown',
35: 'end',
36: 'home',
32: 'space',
37: 'left',
38: 'up',
39: 'right',
40: 'down',
46: 'del',
106: '*'
};
/**
* MODIFIER_KEYS maps the short name for modifier keys used in a key
* combo string to the property name that references those same keys
* in a KeyboardEvent instance.
*/
var MODIFIER_KEYS = {
'shift': 'shiftKey',
'ctrl': 'ctrlKey',
'alt': 'altKey',
'meta': 'metaKey'
};
/**
* KeyboardEvent.key is mostly represented by printable character made by
* the keyboard, with unprintable keys labeled nicely.
*
* However, on OS X, Alt+char can make a Unicode character that follows an
* Apple-specific mapping. In this case, we fall back to .keyCode.
*/
var KEY_CHAR = /[a-z0-9*]/;
/**
* Matches a keyIdentifier string.
*/
var IDENT_CHAR = /U\+/;
/**
* Matches arrow keys in Gecko 27.0+
*/
var ARROW_KEY = /^arrow/;
/**
* Matches space keys everywhere (notably including IE10's exceptional name
* `spacebar`).
*/
var SPACE_KEY = /^space(bar)?/;
/**
* Matches ESC key.
*
* Value from: http://w3c.github.io/uievents-key/#key-Escape
*/
var ESC_KEY = /^escape$/;
/**
* Transforms the key.
* @param {string} key The KeyBoardEvent.key
* @param {Boolean} [noSpecialChars] Limits the transformation to
* alpha-numeric characters.
*/
function transformKey(key, noSpecialChars) {
var validKey = '';
if (key) {
var lKey = key.toLowerCase();
if (lKey === ' ' || SPACE_KEY.test(lKey)) {
validKey = 'space';
} else if (ESC_KEY.test(lKey)) {
validKey = 'esc';
} else if (lKey.length == 1) {
if (!noSpecialChars || KEY_CHAR.test(lKey)) {
validKey = lKey;
}
} else if (ARROW_KEY.test(lKey)) {
validKey = lKey.replace('arrow', '');
} else if (lKey == 'multiply') {
// numpad '*' can map to Multiply on IE/Windows
validKey = '*';
} else {
validKey = lKey;
}
}
return validKey;
}
function transformKeyIdentifier(keyIdent) {
var validKey = '';
if (keyIdent) {
if (keyIdent in KEY_IDENTIFIER) {
validKey = KEY_IDENTIFIER[keyIdent];
} else if (IDENT_CHAR.test(keyIdent)) {
keyIdent = parseInt(keyIdent.replace('U+', '0x'), 16);
validKey = String.fromCharCode(keyIdent).toLowerCase();
} else {
validKey = keyIdent.toLowerCase();
}
}
return validKey;
}
function transformKeyCode(keyCode) {
var validKey = '';
if (Number(keyCode)) {
if (keyCode >= 65 && keyCode <= 90) {
// ascii a-z
// lowercase is 32 offset from uppercase
validKey = String.fromCharCode(32 + keyCode);
} else if (keyCode >= 112 && keyCode <= 123) {
// function keys f1-f12
validKey = 'f' + (keyCode - 112);
} else if (keyCode >= 48 && keyCode <= 57) {
// top 0-9 keys
validKey = String(keyCode - 48);
} else if (keyCode >= 96 && keyCode <= 105) {
// num pad 0-9
validKey = String(keyCode - 96);
} else {
validKey = KEY_CODE[keyCode];
}
}
return validKey;
}
/**
* Calculates the normalized key for a KeyboardEvent.
* @param {KeyboardEvent} keyEvent
* @param {Boolean} [noSpecialChars] Set to true to limit keyEvent.key
* transformation to alpha-numeric chars. This is useful with key
* combinations like shift + 2, which on FF for MacOS produces
* keyEvent.key = @
* To get 2 returned, set noSpecialChars = true
* To get @ returned, set noSpecialChars = false
*/
function normalizedKeyForEvent(keyEvent, noSpecialChars) {
// Fall back from .key, to .detail.key for artifical keyboard events,
// and then to deprecated .keyIdentifier and .keyCode.
if (keyEvent.key) {
return transformKey(keyEvent.key, noSpecialChars);
}
if (keyEvent.detail && keyEvent.detail.key) {
return transformKey(keyEvent.detail.key, noSpecialChars);
}
return transformKeyIdentifier(keyEvent.keyIdentifier) ||
transformKeyCode(keyEvent.keyCode) || '';
}
function keyComboMatchesEvent(keyCombo, event) {
// For combos with modifiers we support only alpha-numeric keys
var keyEvent = normalizedKeyForEvent(event, keyCombo.hasModifiers);
return keyEvent === keyCombo.key &&
(!keyCombo.hasModifiers || (
!!event.shiftKey === !!keyCombo.shiftKey &&
!!event.ctrlKey === !!keyCombo.ctrlKey &&
!!event.altKey === !!keyCombo.altKey &&
!!event.metaKey === !!keyCombo.metaKey)
);
}
function parseKeyComboString(keyComboString) {
if (keyComboString.length === 1) {
return {
combo: keyComboString,
key: keyComboString,
event: 'keydown'
};
}
return keyComboString.split('+').reduce(function(parsedKeyCombo, keyComboPart) {
var eventParts = keyComboPart.split(':');
var keyName = eventParts[0];
var event = eventParts[1];
if (keyName in MODIFIER_KEYS) {
parsedKeyCombo[MODIFIER_KEYS[keyName]] = true;
parsedKeyCombo.hasModifiers = true;
} else {
parsedKeyCombo.key = keyName;
parsedKeyCombo.event = event || 'keydown';
}
return parsedKeyCombo;
}, {
combo: keyComboString.split(':').shift()
});
}
function parseEventString(eventString) {
return eventString.trim().split(' ').map(function(keyComboString) {
return parseKeyComboString(keyComboString);
});
}
/**
* `Polymer.IronA11yKeysBehavior` provides a normalized interface for processing
* keyboard commands that pertain to [WAI-ARIA best practices](http://www.w3.org/TR/wai-aria-practices/#kbd_general_binding).
* The element takes care of browser differences with respect to Keyboard events
* and uses an expressive syntax to filter key presses.
*
* Use the `keyBindings` prototype property to express what combination of keys
* will trigger the callback. A key binding has the format
* `"KEY+MODIFIER:EVENT": "callback"` (`"KEY": "callback"` or
* `"KEY:EVENT": "callback"` are valid as well). Some examples:
*
* keyBindings: {
* 'space': '_onKeydown', // same as 'space:keydown'
* 'shift+tab': '_onKeydown',
* 'enter:keypress': '_onKeypress',
* 'esc:keyup': '_onKeyup'
* }
*
* The callback will receive with an event containing the following information in `event.detail`:
*
* _onKeydown: function(event) {
* console.log(event.detail.combo); // KEY+MODIFIER, e.g. "shift+tab"
* console.log(event.detail.key); // KEY only, e.g. "tab"
* console.log(event.detail.event); // EVENT, e.g. "keydown"
* console.log(event.detail.keyboardEvent); // the original KeyboardEvent
* }
*
* Use the `keyEventTarget` attribute to set up event handlers on a specific
* node.
*
* See the [demo source code](https://github.com/PolymerElements/iron-a11y-keys-behavior/blob/master/demo/x-key-aware.html)
* for an example.
*
* @demo demo/index.html
* @polymerBehavior
*/
Polymer.IronA11yKeysBehavior = {
properties: {
/**
* The EventTarget that will be firing relevant KeyboardEvents. Set it to
* `null` to disable the listeners.
* @type {?EventTarget}
*/
keyEventTarget: {
type: Object,
value: function() {
return this;
}
},
/**
* If true, this property will cause the implementing element to
* automatically stop propagation on any handled KeyboardEvents.
*/
stopKeyboardEventPropagation: {
type: Boolean,
value: false
},
_boundKeyHandlers: {
type: Array,
value: function() {
return [];
}
},
// We use this due to a limitation in IE10 where instances will have
// own properties of everything on the "prototype".
_imperativeKeyBindings: {
type: Object,
value: function() {
return {};
}
}
},
observers: [
'_resetKeyEventListeners(keyEventTarget, _boundKeyHandlers)'
],
/**
* To be used to express what combination of keys will trigger the relative
* callback. e.g. `keyBindings: { 'esc': '_onEscPressed'}`
* @type {!Object}
*/
keyBindings: {},
registered: function() {
this._prepKeyBindings();
},
attached: function() {
this._listenKeyEventListeners();
},
detached: function() {
this._unlistenKeyEventListeners();
},
/**
* Can be used to imperatively add a key binding to the implementing
* element. This is the imperative equivalent of declaring a keybinding
* in the `keyBindings` prototype property.
*/
addOwnKeyBinding: function(eventString, handlerName) {
this._imperativeKeyBindings[eventString] = handlerName;
this._prepKeyBindings();
this._resetKeyEventListeners();
},
/**
* When called, will remove all imperatively-added key bindings.
*/
removeOwnKeyBindings: function() {
this._imperativeKeyBindings = {};
this._prepKeyBindings();
this._resetKeyEventListeners();
},
/**
* Returns true if a keyboard event matches `eventString`.
*
* @param {KeyboardEvent} event
* @param {string} eventString
* @return {boolean}
*/
keyboardEventMatchesKeys: function(event, eventString) {
var keyCombos = parseEventString(eventString);
for (var i = 0; i < keyCombos.length; ++i) {
if (keyComboMatchesEvent(keyCombos[i], event)) {
return true;
}
}
return false;
},
_collectKeyBindings: function() {
var keyBindings = this.behaviors.map(function(behavior) {
return behavior.keyBindings;
});
if (keyBindings.indexOf(this.keyBindings) === -1) {
keyBindings.push(this.keyBindings);
}
return keyBindings;
},
_prepKeyBindings: function() {
this._keyBindings = {};
this._collectKeyBindings().forEach(function(keyBindings) {
for (var eventString in keyBindings) {
this._addKeyBinding(eventString, keyBindings[eventString]);
}
}, this);
for (var eventString in this._imperativeKeyBindings) {
this._addKeyBinding(eventString, this._imperativeKeyBindings[eventString]);
}
// Give precedence to combos with modifiers to be checked first.
for (var eventName in this._keyBindings) {
this._keyBindings[eventName].sort(function (kb1, kb2) {
var b1 = kb1[0].hasModifiers;
var b2 = kb2[0].hasModifiers;
return (b1 === b2) ? 0 : b1 ? -1 : 1;
})
}
},
_addKeyBinding: function(eventString, handlerName) {
parseEventString(eventString).forEach(function(keyCombo) {
this._keyBindings[keyCombo.event] =
this._keyBindings[keyCombo.event] || [];
this._keyBindings[keyCombo.event].push([
keyCombo,
handlerName
]);
}, this);
},
_resetKeyEventListeners: function() {
this._unlistenKeyEventListeners();
if (this.isAttached) {
this._listenKeyEventListeners();
}
},
_listenKeyEventListeners: function() {
if (!this.keyEventTarget) {
return;
}
Object.keys(this._keyBindings).forEach(function(eventName) {
var keyBindings = this._keyBindings[eventName];
var boundKeyHandler = this._onKeyBindingEvent.bind(this, keyBindings);
this._boundKeyHandlers.push([this.keyEventTarget, eventName, boundKeyHandler]);
this.keyEventTarget.addEventListener(eventName, boundKeyHandler);
}, this);
},
_unlistenKeyEventListeners: function() {
var keyHandlerTuple;
var keyEventTarget;
var eventName;
var boundKeyHandler;
while (this._boundKeyHandlers.length) {
// My kingdom for block-scope binding and destructuring assignment..
keyHandlerTuple = this._boundKeyHandlers.pop();
keyEventTarget = keyHandlerTuple[0];
eventName = keyHandlerTuple[1];
boundKeyHandler = keyHandlerTuple[2];
keyEventTarget.removeEventListener(eventName, boundKeyHandler);
}
},
_onKeyBindingEvent: function(keyBindings, event) {
if (this.stopKeyboardEventPropagation) {
event.stopPropagation();
}
// if event has been already prevented, don't do anything
if (event.defaultPrevented) {
return;
}
for (var i = 0; i < keyBindings.length; i++) {
var keyCombo = keyBindings[i][0];
var handlerName = keyBindings[i][1];
if (keyComboMatchesEvent(keyCombo, event)) {
this._triggerKeyHandler(keyCombo, handlerName, event);
// exit the loop if eventDefault was prevented
if (event.defaultPrevented) {
return;
}
}
}
},
_triggerKeyHandler: function(keyCombo, handlerName, keyboardEvent) {
var detail = Object.create(keyCombo);
detail.keyboardEvent = keyboardEvent;
var event = new CustomEvent(keyCombo.event, {
detail: detail,
cancelable: true
});
this[handlerName].call(this, event);
if (event.defaultPrevented) {
keyboardEvent.preventDefault();
}
}
};
})();
</script><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
/**
* @demo demo/index.html
* @polymerBehavior
*/
Polymer.IronControlState = {
properties: {
/**
* If true, the element currently has focus.
*/
focused: {
type: Boolean,
value: false,
notify: true,
readOnly: true,
reflectToAttribute: true
},
/**
* If true, the user cannot interact with this element.
*/
disabled: {
type: Boolean,
value: false,
notify: true,
observer: '_disabledChanged',
reflectToAttribute: true
},
_oldTabIndex: {
type: Number
},
_boundFocusBlurHandler: {
type: Function,
value: function() {
return this._focusBlurHandler.bind(this);
}
}
},
observers: [
'_changedControlState(focused, disabled)'
],
ready: function() {
this.addEventListener('focus', this._boundFocusBlurHandler, true);
this.addEventListener('blur', this._boundFocusBlurHandler, true);
},
_focusBlurHandler: function(event) {
// NOTE(cdata): if we are in ShadowDOM land, `event.target` will
// eventually become `this` due to retargeting; if we are not in
// ShadowDOM land, `event.target` will eventually become `this` due
// to the second conditional which fires a synthetic event (that is also
// handled). In either case, we can disregard `event.path`.
if (event.target === this) {
this._setFocused(event.type === 'focus');
} else if (!this.shadowRoot) {
var target = /** @type {Node} */(Polymer.dom(event).localTarget);
if (!this.isLightDescendant(target)) {
this.fire(event.type, {sourceEvent: event}, {
node: this,
bubbles: event.bubbles,
cancelable: event.cancelable
});
}
}
},
_disabledChanged: function(disabled, old) {
this.setAttribute('aria-disabled', disabled ? 'true' : 'false');
this.style.pointerEvents = disabled ? 'none' : '';
if (disabled) {
this._oldTabIndex = this.tabIndex;
this._setFocused(false);
this.tabIndex = -1;
this.blur();
} else if (this._oldTabIndex !== undefined) {
this.tabIndex = this._oldTabIndex;
}
},
_changedControlState: function() {
// _controlStateChanged is abstract, follow-on behaviors may implement it
if (this._controlStateChanged) {
this._controlStateChanged();
}
}
};
</script><script>
/**
* @demo demo/index.html
* @polymerBehavior Polymer.IronButtonState
*/
Polymer.IronButtonStateImpl = {
properties: {
/**
* If true, the user is currently holding down the button.
*/
pressed: {
type: Boolean,
readOnly: true,
value: false,
reflectToAttribute: true,
observer: '_pressedChanged'
},
/**
* If true, the button toggles the active state with each tap or press
* of the spacebar.
*/
toggles: {
type: Boolean,
value: false,
reflectToAttribute: true
},
/**
* If true, the button is a toggle and is currently in the active state.
*/
active: {
type: Boolean,
value: false,
notify: true,
reflectToAttribute: true
},
/**
* True if the element is currently being pressed by a "pointer," which
* is loosely defined as mouse or touch input (but specifically excluding
* keyboard input).
*/
pointerDown: {
type: Boolean,
readOnly: true,
value: false
},
/**
* True if the input device that caused the element to receive focus
* was a keyboard.
*/
receivedFocusFromKeyboard: {
type: Boolean,
readOnly: true
},
/**
* The aria attribute to be set if the button is a toggle and in the
* active state.
*/
ariaActiveAttribute: {
type: String,
value: 'aria-pressed',
observer: '_ariaActiveAttributeChanged'
}
},
listeners: {
down: '_downHandler',
up: '_upHandler',
tap: '_tapHandler'
},
observers: [
'_detectKeyboardFocus(focused)',
'_activeChanged(active, ariaActiveAttribute)'
],
keyBindings: {
'enter:keydown': '_asyncClick',
'space:keydown': '_spaceKeyDownHandler',
'space:keyup': '_spaceKeyUpHandler',
},
_mouseEventRe: /^mouse/,
_tapHandler: function() {
if (this.toggles) {
// a tap is needed to toggle the active state
this._userActivate(!this.active);
} else {
this.active = false;
}
},
_detectKeyboardFocus: function(focused) {
this._setReceivedFocusFromKeyboard(!this.pointerDown && focused);
},
// to emulate native checkbox, (de-)activations from a user interaction fire
// 'change' events
_userActivate: function(active) {
if (this.active !== active) {
this.active = active;
this.fire('change');
}
},
_downHandler: function(event) {
this._setPointerDown(true);
this._setPressed(true);
this._setReceivedFocusFromKeyboard(false);
},
_upHandler: function() {
this._setPointerDown(false);
this._setPressed(false);
},
/**
* @param {!KeyboardEvent} event .
*/
_spaceKeyDownHandler: function(event) {
var keyboardEvent = event.detail.keyboardEvent;
var target = Polymer.dom(keyboardEvent).localTarget;
// Ignore the event if this is coming from a focused light child, since that
// element will deal with it.
if (this.isLightDescendant(/** @type {Node} */(target)))
return;
keyboardEvent.preventDefault();
keyboardEvent.stopImmediatePropagation();
this._setPressed(true);
},
/**
* @param {!KeyboardEvent} event .
*/
_spaceKeyUpHandler: function(event) {
var keyboardEvent = event.detail.keyboardEvent;
var target = Polymer.dom(keyboardEvent).localTarget;
// Ignore the event if this is coming from a focused light child, since that
// element will deal with it.
if (this.isLightDescendant(/** @type {Node} */(target)))
return;
if (this.pressed) {
this._asyncClick();
}
this._setPressed(false);
},
// trigger click asynchronously, the asynchrony is useful to allow one
// event handler to unwind before triggering another event
_asyncClick: function() {
this.async(function() {
this.click();
}, 1);
},
// any of these changes are considered a change to button state
_pressedChanged: function(pressed) {
this._changedButtonState();
},
_ariaActiveAttributeChanged: function(value, oldValue) {
if (oldValue && oldValue != value && this.hasAttribute(oldValue)) {
this.removeAttribute(oldValue);
}
},
_activeChanged: function(active, ariaActiveAttribute) {
if (this.toggles) {
this.setAttribute(this.ariaActiveAttribute,
active ? 'true' : 'false');
} else {
this.removeAttribute(this.ariaActiveAttribute);
}
this._changedButtonState();
},
_controlStateChanged: function() {
if (this.disabled) {
this._setPressed(false);
} else {
this._changedButtonState();
}
},
// provide hook for follow-on behaviors to react to button-state
_changedButtonState: function() {
if (this._buttonStateChanged) {
this._buttonStateChanged(); // abstract
}
}
};
/** @polymerBehavior */
Polymer.IronButtonState = [
Polymer.IronA11yKeysBehavior,
Polymer.IronButtonStateImpl
];
</script><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
@license
Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
Material design: [Surface reaction](https://www.google.com/design/spec/animation/responsive-interaction.html#responsive-interaction-surface-reaction)
`paper-ripple` provides a visual effect that other paper elements can
use to simulate a rippling effect emanating from the point of contact. The
effect can be visualized as a concentric circle with motion.
Example:
<div style="position:relative">
<paper-ripple></paper-ripple>
</div>
Note, it's important that the parent container of the ripple be relative position, otherwise
the ripple will emanate outside of the desired container.
`paper-ripple` listens to "mousedown" and "mouseup" events so it would display ripple
effect when touches on it. You can also defeat the default behavior and
manually route the down and up actions to the ripple element. Note that it is
important if you call `downAction()` you will have to make sure to call
`upAction()` so that `paper-ripple` would end the animation loop.
Example:
<paper-ripple id="ripple" style="pointer-events: none;"></paper-ripple>
...
downAction: function(e) {
this.$.ripple.downAction({detail: {x: e.x, y: e.y}});
},
upAction: function(e) {
this.$.ripple.upAction();
}
Styling ripple effect:
Use CSS color property to style the ripple:
paper-ripple {
color: #4285f4;
}
Note that CSS color property is inherited so it is not required to set it on
the `paper-ripple` element directly.
By default, the ripple is centered on the point of contact. Apply the `recenters`
attribute to have the ripple grow toward the center of its container.
<paper-ripple recenters></paper-ripple>
You can also center the ripple inside its container from the start.
<paper-ripple center></paper-ripple>
Apply `circle` class to make the rippling effect within a circle.
<paper-ripple class="circle"></paper-ripple>
@group Paper Elements
@element paper-ripple
@hero hero.svg
@demo demo/index.html
-->
<dom-module id="paper-ripple" assetpath="bower_components/paper-ripple/">
<template>
<style>
:host {
display: block;
position: absolute;
border-radius: inherit;
overflow: hidden;
top: 0;
left: 0;
right: 0;
bottom: 0;
/* See PolymerElements/paper-behaviors/issues/34. On non-Chrome browsers,
* creating a node (with a position:absolute) in the middle of an event
* handler "interrupts" that event handler (which happens when the
* ripple is created on demand) */
pointer-events: none;
}
:host([animating]) {
/* This resolves a rendering issue in Chrome (as of 40) where the
ripple is not properly clipped by its parent (which may have
rounded corners). See: http://jsbin.com/temexa/4
Note: We only apply this style conditionally. Otherwise, the browser
will create a new compositing layer for every ripple element on the
page, and that would be bad. */
-webkit-transform: translate(0, 0);
transform: translate3d(0, 0, 0);
}
#background,
#waves,
.wave-container,
.wave {
pointer-events: none;
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}
#background,
.wave {
opacity: 0;
}
#waves,
.wave {
overflow: hidden;
}
.wave-container,
.wave {
border-radius: 50%;
}
:host(.circle) #background,
:host(.circle) #waves {
border-radius: 50%;
}
:host(.circle) .wave-container {
overflow: hidden;
}
</style>
<div id="background"></div>
<div id="waves"></div>
</template>
</dom-module>
<script>
(function() {
var Utility = {
distance: function(x1, y1, x2, y2) {
var xDelta = (x1 - x2);
var yDelta = (y1 - y2);
return Math.sqrt(xDelta * xDelta + yDelta * yDelta);
},
now: window.performance && window.performance.now ?
window.performance.now.bind(window.performance) : Date.now
};
/**
* @param {HTMLElement} element
* @constructor
*/
function ElementMetrics(element) {
this.element = element;
this.width = this.boundingRect.width;
this.height = this.boundingRect.height;
this.size = Math.max(this.width, this.height);
}
ElementMetrics.prototype = {
get boundingRect () {
return this.element.getBoundingClientRect();
},
furthestCornerDistanceFrom: function(x, y) {
var topLeft = Utility.distance(x, y, 0, 0);
var topRight = Utility.distance(x, y, this.width, 0);
var bottomLeft = Utility.distance(x, y, 0, this.height);
var bottomRight = Utility.distance(x, y, this.width, this.height);
return Math.max(topLeft, topRight, bottomLeft, bottomRight);
}
};
/**
* @param {HTMLElement} element
* @constructor
*/
function Ripple(element) {
this.element = element;
this.color = window.getComputedStyle(element).color;
this.wave = document.createElement('div');
this.waveContainer = document.createElement('div');
this.wave.style.backgroundColor = this.color;
this.wave.classList.add('wave');
this.waveContainer.classList.add('wave-container');
Polymer.dom(this.waveContainer).appendChild(this.wave);
this.resetInteractionState();
}
Ripple.MAX_RADIUS = 300;
Ripple.prototype = {
get recenters() {
return this.element.recenters;
},
get center() {
return this.element.center;
},
get mouseDownElapsed() {
var elapsed;
if (!this.mouseDownStart) {
return 0;
}
elapsed = Utility.now() - this.mouseDownStart;
if (this.mouseUpStart) {
elapsed -= this.mouseUpElapsed;
}
return elapsed;
},
get mouseUpElapsed() {
return this.mouseUpStart ?
Utility.now () - this.mouseUpStart : 0;
},
get mouseDownElapsedSeconds() {
return this.mouseDownElapsed / 1000;
},
get mouseUpElapsedSeconds() {
return this.mouseUpElapsed / 1000;
},
get mouseInteractionSeconds() {
return this.mouseDownElapsedSeconds + this.mouseUpElapsedSeconds;
},
get initialOpacity() {
return this.element.initialOpacity;
},
get opacityDecayVelocity() {
return this.element.opacityDecayVelocity;
},
get radius() {
var width2 = this.containerMetrics.width * this.containerMetrics.width;
var height2 = this.containerMetrics.height * this.containerMetrics.height;
var waveRadius = Math.min(
Math.sqrt(width2 + height2),
Ripple.MAX_RADIUS
) * 1.1 + 5;
var duration = 1.1 - 0.2 * (waveRadius / Ripple.MAX_RADIUS);
var timeNow = this.mouseInteractionSeconds / duration;
var size = waveRadius * (1 - Math.pow(80, -timeNow));
return Math.abs(size);
},
get opacity() {
if (!this.mouseUpStart) {
return this.initialOpacity;
}
return Math.max(
0,
this.initialOpacity - this.mouseUpElapsedSeconds * this.opacityDecayVelocity
);
},
get outerOpacity() {
// Linear increase in background opacity, capped at the opacity
// of the wavefront (waveOpacity).
var outerOpacity = this.mouseUpElapsedSeconds * 0.3;
var waveOpacity = this.opacity;
return Math.max(
0,
Math.min(outerOpacity, waveOpacity)
);
},
get isOpacityFullyDecayed() {
return this.opacity < 0.01 &&
this.radius >= Math.min(this.maxRadius, Ripple.MAX_RADIUS);
},
get isRestingAtMaxRadius() {
return this.opacity >= this.initialOpacity &&
this.radius >= Math.min(this.maxRadius, Ripple.MAX_RADIUS);
},
get isAnimationComplete() {
return this.mouseUpStart ?
this.isOpacityFullyDecayed : this.isRestingAtMaxRadius;
},
get translationFraction() {
return Math.min(
1,
this.radius / this.containerMetrics.size * 2 / Math.sqrt(2)
);
},
get xNow() {
if (this.xEnd) {
return this.xStart + this.translationFraction * (this.xEnd - this.xStart);
}
return this.xStart;
},
get yNow() {
if (this.yEnd) {
return this.yStart + this.translationFraction * (this.yEnd - this.yStart);
}
return this.yStart;
},
get isMouseDown() {
return this.mouseDownStart && !this.mouseUpStart;
},
resetInteractionState: function() {
this.maxRadius = 0;
this.mouseDownStart = 0;
this.mouseUpStart = 0;
this.xStart = 0;
this.yStart = 0;
this.xEnd = 0;
this.yEnd = 0;
this.slideDistance = 0;
this.containerMetrics = new ElementMetrics(this.element);
},
draw: function() {
var scale;
var translateString;
var dx;
var dy;
this.wave.style.opacity = this.opacity;
scale = this.radius / (this.containerMetrics.size / 2);
dx = this.xNow - (this.containerMetrics.width / 2);
dy = this.yNow - (this.containerMetrics.height / 2);
// 2d transform for safari because of border-radius and overflow:hidden clipping bug.
// https://bugs.webkit.org/show_bug.cgi?id=98538
this.waveContainer.style.webkitTransform = 'translate(' + dx + 'px, ' + dy + 'px)';
this.waveContainer.style.transform = 'translate3d(' + dx + 'px, ' + dy + 'px, 0)';
this.wave.style.webkitTransform = 'scale(' + scale + ',' + scale + ')';
this.wave.style.transform = 'scale3d(' + scale + ',' + scale + ',1)';
},
/** @param {Event=} event */
downAction: function(event) {
var xCenter = this.containerMetrics.width / 2;
var yCenter = this.containerMetrics.height / 2;
this.resetInteractionState();
this.mouseDownStart = Utility.now();
if (this.center) {
this.xStart = xCenter;
this.yStart = yCenter;
this.slideDistance = Utility.distance(
this.xStart, this.yStart, this.xEnd, this.yEnd
);
} else {
this.xStart = event ?
event.detail.x - this.containerMetrics.boundingRect.left :
this.containerMetrics.width / 2;
this.yStart = event ?
event.detail.y - this.containerMetrics.boundingRect.top :
this.containerMetrics.height / 2;
}
if (this.recenters) {
this.xEnd = xCenter;
this.yEnd = yCenter;
this.slideDistance = Utility.distance(
this.xStart, this.yStart, this.xEnd, this.yEnd
);
}
this.maxRadius = this.containerMetrics.furthestCornerDistanceFrom(
this.xStart,
this.yStart
);
this.waveContainer.style.top =
(this.containerMetrics.height - this.containerMetrics.size) / 2 + 'px';
this.waveContainer.style.left =
(this.containerMetrics.width - this.containerMetrics.size) / 2 + 'px';
this.waveContainer.style.width = this.containerMetrics.size + 'px';
this.waveContainer.style.height = this.containerMetrics.size + 'px';
},
/** @param {Event=} event */
upAction: function(event) {
if (!this.isMouseDown) {
return;
}
this.mouseUpStart = Utility.now();
},
remove: function() {
Polymer.dom(this.waveContainer.parentNode).removeChild(
this.waveContainer
);
}
};
Polymer({
is: 'paper-ripple',
behaviors: [
Polymer.IronA11yKeysBehavior
],
properties: {
/**
* The initial opacity set on the wave.
*
* @attribute initialOpacity
* @type number
* @default 0.25
*/
initialOpacity: {
type: Number,
value: 0.25
},
/**
* How fast (opacity per second) the wave fades out.
*
* @attribute opacityDecayVelocity
* @type number
* @default 0.8
*/
opacityDecayVelocity: {
type: Number,
value: 0.8
},
/**
* If true, ripples will exhibit a gravitational pull towards
* the center of their container as they fade away.
*
* @attribute recenters
* @type boolean
* @default false
*/
recenters: {
type: Boolean,
value: false
},
/**
* If true, ripples will center inside its container
*
* @attribute recenters
* @type boolean
* @default false
*/
center: {
type: Boolean,
value: false
},
/**
* A list of the visual ripples.
*
* @attribute ripples
* @type Array
* @default []
*/
ripples: {
type: Array,
value: function() {
return [];
}
},
/**
* True when there are visible ripples animating within the
* element.
*/
animating: {
type: Boolean,
readOnly: true,
reflectToAttribute: true,
value: false
},
/**
* If true, the ripple will remain in the "down" state until `holdDown`
* is set to false again.
*/
holdDown: {
type: Boolean,
value: false,
observer: '_holdDownChanged'
},
/**
* If true, the ripple will not generate a ripple effect
* via pointer interaction.
* Calling ripple's imperative api like `simulatedRipple` will
* still generate the ripple effect.
*/
noink: {
type: Boolean,
value: false
},
_animating: {
type: Boolean
},
_boundAnimate: {
type: Function,
value: function() {
return this.animate.bind(this);
}
}
},
get target () {
return this.keyEventTarget;
},
keyBindings: {
'enter:keydown': '_onEnterKeydown',
'space:keydown': '_onSpaceKeydown',
'space:keyup': '_onSpaceKeyup'
},
attached: function() {
// Set up a11yKeysBehavior to listen to key events on the target,
// so that space and enter activate the ripple even if the target doesn't
// handle key events. The key handlers deal with `noink` themselves.
if (this.parentNode.nodeType == 11) { // DOCUMENT_FRAGMENT_NODE
this.keyEventTarget = Polymer.dom(this).getOwnerRoot().host;
} else {
this.keyEventTarget = this.parentNode;
}
var keyEventTarget = /** @type {!EventTarget} */ (this.keyEventTarget);
this.listen(keyEventTarget, 'up', 'uiUpAction');
this.listen(keyEventTarget, 'down', 'uiDownAction');
},
detached: function() {
this.unlisten(this.keyEventTarget, 'up', 'uiUpAction');
this.unlisten(this.keyEventTarget, 'down', 'uiDownAction');
this.keyEventTarget = null;
},
get shouldKeepAnimating () {
for (var index = 0; index < this.ripples.length; ++index) {
if (!this.ripples[index].isAnimationComplete) {
return true;
}
}
return false;
},
simulatedRipple: function() {
this.downAction(null);
// Please see polymer/polymer#1305
this.async(function() {
this.upAction();
}, 1);
},
/**
* Provokes a ripple down effect via a UI event,
* respecting the `noink` property.
* @param {Event=} event
*/
uiDownAction: function(event) {
if (!this.noink) {
this.downAction(event);
}
},
/**
* Provokes a ripple down effect via a UI event,
* *not* respecting the `noink` property.
* @param {Event=} event
*/
downAction: function(event) {
if (this.holdDown && this.ripples.length > 0) {
return;
}
var ripple = this.addRipple();
ripple.downAction(event);
if (!this._animating) {
this._animating = true;
this.animate();
}
},
/**
* Provokes a ripple up effect via a UI event,
* respecting the `noink` property.
* @param {Event=} event
*/
uiUpAction: function(event) {
if (!this.noink) {
this.upAction(event);
}
},
/**
* Provokes a ripple up effect via a UI event,
* *not* respecting the `noink` property.
* @param {Event=} event
*/
upAction: function(event) {
if (this.holdDown) {
return;
}
this.ripples.forEach(function(ripple) {
ripple.upAction(event);
});
this._animating = true;
this.animate();
},
onAnimationComplete: function() {
this._animating = false;
this.$.background.style.backgroundColor = null;
this.fire('transitionend');
},
addRipple: function() {
var ripple = new Ripple(this);
Polymer.dom(this.$.waves).appendChild(ripple.waveContainer);
this.$.background.style.backgroundColor = ripple.color;
this.ripples.push(ripple);
this._setAnimating(true);
return ripple;
},
removeRipple: function(ripple) {
var rippleIndex = this.ripples.indexOf(ripple);
if (rippleIndex < 0) {
return;
}
this.ripples.splice(rippleIndex, 1);
ripple.remove();
if (!this.ripples.length) {
this._setAnimating(false);
}
},
/**
* This conflicts with Element#antimate().
* https://developer.mozilla.org/en-US/docs/Web/API/Element/animate
* @suppress {checkTypes}
*/
animate: function() {
if (!this._animating) {
return;
}
var index;
var ripple;
for (index = 0; index < this.ripples.length; ++index) {
ripple = this.ripples[index];
ripple.draw();
this.$.background.style.opacity = ripple.outerOpacity;
if (ripple.isOpacityFullyDecayed && !ripple.isRestingAtMaxRadius) {
this.removeRipple(ripple);
}
}
if (!this.shouldKeepAnimating && this.ripples.length === 0) {
this.onAnimationComplete();
} else {
window.requestAnimationFrame(this._boundAnimate);
}
},
_onEnterKeydown: function() {
this.uiDownAction();
this.async(this.uiUpAction, 1);
},
_onSpaceKeydown: function() {
this.uiDownAction();
},
_onSpaceKeyup: function() {
this.uiUpAction();
},
// note: holdDown does not respect noink since it can be a focus based
// effect.
_holdDownChanged: function(newVal, oldVal) {
if (oldVal === undefined) {
return;
}
if (newVal) {
this.downAction();
} else {
this.upAction();
}
}
/**
Fired when the animation finishes.
This is useful if you want to wait until
the ripple animation finishes to perform some action.
@event transitionend
@param {{node: Object}} detail Contains the animated node.
*/
});
})();
</script>
<script>
/**
* `Polymer.PaperRippleBehavior` dynamically implements a ripple
* when the element has focus via pointer or keyboard.
*
* NOTE: This behavior is intended to be used in conjunction with and after
* `Polymer.IronButtonState` and `Polymer.IronControlState`.
*
* @polymerBehavior Polymer.PaperRippleBehavior
*/
Polymer.PaperRippleBehavior = {
properties: {
/**
* If true, the element will not produce a ripple effect when interacted
* with via the pointer.
*/
noink: {
type: Boolean,
observer: '_noinkChanged'
},
/**
* @type {Element|undefined}
*/
_rippleContainer: {
type: Object,
}
},
/**
* Ensures a `<paper-ripple>` element is available when the element is
* focused.
*/
_buttonStateChanged: function() {
if (this.focused) {
this.ensureRipple();
}
},
/**
* In addition to the functionality provided in `IronButtonState`, ensures
* a ripple effect is created when the element is in a `pressed` state.
*/
_downHandler: function(event) {
Polymer.IronButtonStateImpl._downHandler.call(this, event);
if (this.pressed) {
this.ensureRipple(event);
}
},
/**
* Ensures this element contains a ripple effect. For startup efficiency
* the ripple effect is dynamically on demand when needed.
* @param {!Event=} optTriggeringEvent (optional) event that triggered the
* ripple.
*/
ensureRipple: function(optTriggeringEvent) {
if (!this.hasRipple()) {
this._ripple = this._createRipple();
this._ripple.noink = this.noink;
var rippleContainer = this._rippleContainer || this.root;
if (rippleContainer) {
Polymer.dom(rippleContainer).appendChild(this._ripple);
}
if (optTriggeringEvent) {
// Check if the event happened inside of the ripple container
// Fall back to host instead of the root because distributed text
// nodes are not valid event targets
var domContainer = Polymer.dom(this._rippleContainer || this);
var target = Polymer.dom(optTriggeringEvent).rootTarget;
if (domContainer.deepContains( /** @type {Node} */(target))) {
this._ripple.uiDownAction(optTriggeringEvent);
}
}
}
},
/**
* Returns the `<paper-ripple>` element used by this element to create
* ripple effects. The element's ripple is created on demand, when
* necessary, and calling this method will force the
* ripple to be created.
*/
getRipple: function() {
this.ensureRipple();
return this._ripple;
},
/**
* Returns true if this element currently contains a ripple effect.
* @return {boolean}
*/
hasRipple: function() {
return Boolean(this._ripple);
},
/**
* Create the element's ripple effect via creating a `<paper-ripple>`.
* Override this method to customize the ripple element.
* @return {!PaperRippleElement} Returns a `<paper-ripple>` element.
*/
_createRipple: function() {
return /** @type {!PaperRippleElement} */ (
document.createElement('paper-ripple'));
},
_noinkChanged: function(noink) {
if (this.hasRipple()) {
this._ripple.noink = noink;
}
}
};
</script><script>
/**
* `Polymer.PaperInkyFocusBehavior` implements a ripple when the element has keyboard focus.
*
* @polymerBehavior Polymer.PaperInkyFocusBehavior
*/
Polymer.PaperInkyFocusBehaviorImpl = {
observers: [
'_focusedChanged(receivedFocusFromKeyboard)'
],
_focusedChanged: function(receivedFocusFromKeyboard) {
if (receivedFocusFromKeyboard) {
this.ensureRipple();
}
if (this.hasRipple()) {
this._ripple.holdDown = receivedFocusFromKeyboard;
}
},
_createRipple: function() {
var ripple = Polymer.PaperRippleBehavior._createRipple();
ripple.id = 'ink';
ripple.setAttribute('center', '');
ripple.classList.add('circle');
return ripple;
}
};
/** @polymerBehavior Polymer.PaperInkyFocusBehavior */
Polymer.PaperInkyFocusBehavior = [
Polymer.IronButtonState,
Polymer.IronControlState,
Polymer.PaperRippleBehavior,
Polymer.PaperInkyFocusBehaviorImpl
];
</script><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!-- Taken from https://www.google.com/design/spec/style/color.html#color-ui-color-application -->
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><style is="custom-style">
:root {
/* Material Design color palette for Google products */
--google-red-100: #f4c7c3;
--google-red-300: #e67c73;
--google-red-500: #db4437;
--google-red-700: #c53929;
--google-blue-100: #c6dafc;
--google-blue-300: #7baaf7;
--google-blue-500: #4285f4;
--google-blue-700: #3367d6;
--google-green-100: #b7e1cd;
--google-green-300: #57bb8a;
--google-green-500: #0f9d58;
--google-green-700: #0b8043;
--google-yellow-100: #fce8b2;
--google-yellow-300: #f7cb4d;
--google-yellow-500: #f4b400;
--google-yellow-700: #f09300;
--google-grey-100: #f5f5f5;
--google-grey-300: #e0e0e0;
--google-grey-500: #9e9e9e;
--google-grey-700: #616161;
/* Material Design color palette from online spec document */
--paper-red-50: #ffebee;
--paper-red-100: #ffcdd2;
--paper-red-200: #ef9a9a;
--paper-red-300: #e57373;
--paper-red-400: #ef5350;
--paper-red-500: #f44336;
--paper-red-600: #e53935;
--paper-red-700: #d32f2f;
--paper-red-800: #c62828;
--paper-red-900: #b71c1c;
--paper-red-a100: #ff8a80;
--paper-red-a200: #ff5252;
--paper-red-a400: #ff1744;
--paper-red-a700: #d50000;
--paper-pink-50: #fce4ec;
--paper-pink-100: #f8bbd0;
--paper-pink-200: #f48fb1;
--paper-pink-300: #f06292;
--paper-pink-400: #ec407a;
--paper-pink-500: #e91e63;
--paper-pink-600: #d81b60;
--paper-pink-700: #c2185b;
--paper-pink-800: #ad1457;
--paper-pink-900: #880e4f;
--paper-pink-a100: #ff80ab;
--paper-pink-a200: #ff4081;
--paper-pink-a400: #f50057;
--paper-pink-a700: #c51162;
--paper-purple-50: #f3e5f5;
--paper-purple-100: #e1bee7;
--paper-purple-200: #ce93d8;
--paper-purple-300: #ba68c8;
--paper-purple-400: #ab47bc;
--paper-purple-500: #9c27b0;
--paper-purple-600: #8e24aa;
--paper-purple-700: #7b1fa2;
--paper-purple-800: #6a1b9a;
--paper-purple-900: #4a148c;
--paper-purple-a100: #ea80fc;
--paper-purple-a200: #e040fb;
--paper-purple-a400: #d500f9;
--paper-purple-a700: #aa00ff;
--paper-deep-purple-50: #ede7f6;
--paper-deep-purple-100: #d1c4e9;
--paper-deep-purple-200: #b39ddb;
--paper-deep-purple-300: #9575cd;
--paper-deep-purple-400: #7e57c2;
--paper-deep-purple-500: #673ab7;
--paper-deep-purple-600: #5e35b1;
--paper-deep-purple-700: #512da8;
--paper-deep-purple-800: #4527a0;
--paper-deep-purple-900: #311b92;
--paper-deep-purple-a100: #b388ff;
--paper-deep-purple-a200: #7c4dff;
--paper-deep-purple-a400: #651fff;
--paper-deep-purple-a700: #6200ea;
--paper-indigo-50: #e8eaf6;
--paper-indigo-100: #c5cae9;
--paper-indigo-200: #9fa8da;
--paper-indigo-300: #7986cb;
--paper-indigo-400: #5c6bc0;
--paper-indigo-500: #3f51b5;
--paper-indigo-600: #3949ab;
--paper-indigo-700: #303f9f;
--paper-indigo-800: #283593;
--paper-indigo-900: #1a237e;
--paper-indigo-a100: #8c9eff;
--paper-indigo-a200: #536dfe;
--paper-indigo-a400: #3d5afe;
--paper-indigo-a700: #304ffe;
--paper-blue-50: #e3f2fd;
--paper-blue-100: #bbdefb;
--paper-blue-200: #90caf9;
--paper-blue-300: #64b5f6;
--paper-blue-400: #42a5f5;
--paper-blue-500: #2196f3;
--paper-blue-600: #1e88e5;
--paper-blue-700: #1976d2;
--paper-blue-800: #1565c0;
--paper-blue-900: #0d47a1;
--paper-blue-a100: #82b1ff;
--paper-blue-a200: #448aff;
--paper-blue-a400: #2979ff;
--paper-blue-a700: #2962ff;
--paper-light-blue-50: #e1f5fe;
--paper-light-blue-100: #b3e5fc;
--paper-light-blue-200: #81d4fa;
--paper-light-blue-300: #4fc3f7;
--paper-light-blue-400: #29b6f6;
--paper-light-blue-500: #03a9f4;
--paper-light-blue-600: #039be5;
--paper-light-blue-700: #0288d1;
--paper-light-blue-800: #0277bd;
--paper-light-blue-900: #01579b;
--paper-light-blue-a100: #80d8ff;
--paper-light-blue-a200: #40c4ff;
--paper-light-blue-a400: #00b0ff;
--paper-light-blue-a700: #0091ea;
--paper-cyan-50: #e0f7fa;
--paper-cyan-100: #b2ebf2;
--paper-cyan-200: #80deea;
--paper-cyan-300: #4dd0e1;
--paper-cyan-400: #26c6da;
--paper-cyan-500: #00bcd4;
--paper-cyan-600: #00acc1;
--paper-cyan-700: #0097a7;
--paper-cyan-800: #00838f;
--paper-cyan-900: #006064;
--paper-cyan-a100: #84ffff;
--paper-cyan-a200: #18ffff;
--paper-cyan-a400: #00e5ff;
--paper-cyan-a700: #00b8d4;
--paper-teal-50: #e0f2f1;
--paper-teal-100: #b2dfdb;
--paper-teal-200: #80cbc4;
--paper-teal-300: #4db6ac;
--paper-teal-400: #26a69a;
--paper-teal-500: #009688;
--paper-teal-600: #00897b;
--paper-teal-700: #00796b;
--paper-teal-800: #00695c;
--paper-teal-900: #004d40;
--paper-teal-a100: #a7ffeb;
--paper-teal-a200: #64ffda;
--paper-teal-a400: #1de9b6;
--paper-teal-a700: #00bfa5;
--paper-green-50: #e8f5e9;
--paper-green-100: #c8e6c9;
--paper-green-200: #a5d6a7;
--paper-green-300: #81c784;
--paper-green-400: #66bb6a;
--paper-green-500: #4caf50;
--paper-green-600: #43a047;
--paper-green-700: #388e3c;
--paper-green-800: #2e7d32;
--paper-green-900: #1b5e20;
--paper-green-a100: #b9f6ca;
--paper-green-a200: #69f0ae;
--paper-green-a400: #00e676;
--paper-green-a700: #00c853;
--paper-light-green-50: #f1f8e9;
--paper-light-green-100: #dcedc8;
--paper-light-green-200: #c5e1a5;
--paper-light-green-300: #aed581;
--paper-light-green-400: #9ccc65;
--paper-light-green-500: #8bc34a;
--paper-light-green-600: #7cb342;
--paper-light-green-700: #689f38;
--paper-light-green-800: #558b2f;
--paper-light-green-900: #33691e;
--paper-light-green-a100: #ccff90;
--paper-light-green-a200: #b2ff59;
--paper-light-green-a400: #76ff03;
--paper-light-green-a700: #64dd17;
--paper-lime-50: #f9fbe7;
--paper-lime-100: #f0f4c3;
--paper-lime-200: #e6ee9c;
--paper-lime-300: #dce775;
--paper-lime-400: #d4e157;
--paper-lime-500: #cddc39;
--paper-lime-600: #c0ca33;
--paper-lime-700: #afb42b;
--paper-lime-800: #9e9d24;
--paper-lime-900: #827717;
--paper-lime-a100: #f4ff81;
--paper-lime-a200: #eeff41;
--paper-lime-a400: #c6ff00;
--paper-lime-a700: #aeea00;
--paper-yellow-50: #fffde7;
--paper-yellow-100: #fff9c4;
--paper-yellow-200: #fff59d;
--paper-yellow-300: #fff176;
--paper-yellow-400: #ffee58;
--paper-yellow-500: #ffeb3b;
--paper-yellow-600: #fdd835;
--paper-yellow-700: #fbc02d;
--paper-yellow-800: #f9a825;
--paper-yellow-900: #f57f17;
--paper-yellow-a100: #ffff8d;
--paper-yellow-a200: #ffff00;
--paper-yellow-a400: #ffea00;
--paper-yellow-a700: #ffd600;
--paper-amber-50: #fff8e1;
--paper-amber-100: #ffecb3;
--paper-amber-200: #ffe082;
--paper-amber-300: #ffd54f;
--paper-amber-400: #ffca28;
--paper-amber-500: #ffc107;
--paper-amber-600: #ffb300;
--paper-amber-700: #ffa000;
--paper-amber-800: #ff8f00;
--paper-amber-900: #ff6f00;
--paper-amber-a100: #ffe57f;
--paper-amber-a200: #ffd740;
--paper-amber-a400: #ffc400;
--paper-amber-a700: #ffab00;
--paper-orange-50: #fff3e0;
--paper-orange-100: #ffe0b2;
--paper-orange-200: #ffcc80;
--paper-orange-300: #ffb74d;
--paper-orange-400: #ffa726;
--paper-orange-500: #ff9800;
--paper-orange-600: #fb8c00;
--paper-orange-700: #f57c00;
--paper-orange-800: #ef6c00;
--paper-orange-900: #e65100;
--paper-orange-a100: #ffd180;
--paper-orange-a200: #ffab40;
--paper-orange-a400: #ff9100;
--paper-orange-a700: #ff6500;
--paper-deep-orange-50: #fbe9e7;
--paper-deep-orange-100: #ffccbc;
--paper-deep-orange-200: #ffab91;
--paper-deep-orange-300: #ff8a65;
--paper-deep-orange-400: #ff7043;
--paper-deep-orange-500: #ff5722;
--paper-deep-orange-600: #f4511e;
--paper-deep-orange-700: #e64a19;
--paper-deep-orange-800: #d84315;
--paper-deep-orange-900: #bf360c;
--paper-deep-orange-a100: #ff9e80;
--paper-deep-orange-a200: #ff6e40;
--paper-deep-orange-a400: #ff3d00;
--paper-deep-orange-a700: #dd2c00;
--paper-brown-50: #efebe9;
--paper-brown-100: #d7ccc8;
--paper-brown-200: #bcaaa4;
--paper-brown-300: #a1887f;
--paper-brown-400: #8d6e63;
--paper-brown-500: #795548;
--paper-brown-600: #6d4c41;
--paper-brown-700: #5d4037;
--paper-brown-800: #4e342e;
--paper-brown-900: #3e2723;
--paper-grey-50: #fafafa;
--paper-grey-100: #f5f5f5;
--paper-grey-200: #eeeeee;
--paper-grey-300: #e0e0e0;
--paper-grey-400: #bdbdbd;
--paper-grey-500: #9e9e9e;
--paper-grey-600: #757575;
--paper-grey-700: #616161;
--paper-grey-800: #424242;
--paper-grey-900: #212121;
--paper-blue-grey-50: #eceff1;
--paper-blue-grey-100: #cfd8dc;
--paper-blue-grey-200: #b0bec5;
--paper-blue-grey-300: #90a4ae;
--paper-blue-grey-400: #78909c;
--paper-blue-grey-500: #607d8b;
--paper-blue-grey-600: #546e7a;
--paper-blue-grey-700: #455a64;
--paper-blue-grey-800: #37474f;
--paper-blue-grey-900: #263238;
/* opacity for dark text on a light background */
--dark-divider-opacity: 0.12;
--dark-disabled-opacity: 0.38; /* or hint text or icon */
--dark-secondary-opacity: 0.54;
--dark-primary-opacity: 0.87;
/* opacity for light text on a dark background */
--light-divider-opacity: 0.12;
--light-disabled-opacity: 0.3; /* or hint text or icon */
--light-secondary-opacity: 0.7;
--light-primary-opacity: 1.0;
}
</style><style is="custom-style">
:root {
/*
* You can use these generic variables in your elements for easy theming.
* For example, if all your elements use `--primary-text-color` as its main
* color, then switching from a light to a dark theme is just a matter of
* changing the value of `--primary-text-color` in your application.
*/
--primary-text-color: var(--light-theme-text-color);
--primary-background-color: var(--light-theme-background-color);
--secondary-text-color: var(--light-theme-secondary-color);
--disabled-text-color: var(--light-theme-disabled-color);
--divider-color: var(--light-theme-divider-color);
--error-color: var(--paper-deep-orange-a700);
/*
* Primary and accent colors. Also see color.html for more colors.
*/
--primary-color: var(--paper-indigo-500);
--light-primary-color: var(--paper-indigo-100);
--dark-primary-color: var(--paper-indigo-700);
--accent-color: var(--paper-pink-a200);
--light-accent-color: var(--paper-pink-a100);
--dark-accent-color: var(--paper-pink-a400);
/*
* Material Design Light background theme
*/
--light-theme-background-color: #ffffff;
--light-theme-base-color: #000000;
--light-theme-text-color: var(--paper-grey-900);
--light-theme-secondary-color: #737373; /* for secondary text and icons */
--light-theme-disabled-color: #9b9b9b; /* disabled/hint text */
--light-theme-divider-color: #dbdbdb;
/*
* Material Design Dark background theme
*/
--dark-theme-background-color: var(--paper-grey-900);
--dark-theme-base-color: #ffffff;
--dark-theme-text-color: #ffffff;
--dark-theme-secondary-color: #bcbcbc; /* for secondary text and icons */
--dark-theme-disabled-color: #646464; /* disabled/hint text */
--dark-theme-divider-color: #3c3c3c;
/*
* Deprecated values because of their confusing names.
*/
--text-primary-color: var(--dark-theme-text-color);
--default-primary-color: var(--primary-color);
}
</style><dom-module id="paper-icon-button" assetpath="bower_components/paper-icon-button/">
<template strip-whitespace="">
<style>
:host {
display: inline-block;
position: relative;
padding: 8px;
outline: none;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
cursor: pointer;
z-index: 0;
line-height: 1;
width: 40px;
height: 40px;
/* NOTE: Both values are needed, since some phones require the value to be `transparent`. */
-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
-webkit-tap-highlight-color: transparent;
/* Because of polymer/2558, this style has lower specificity than * */
box-sizing: border-box !important;
@apply(--paper-icon-button);
}
:host #ink {
color: var(--paper-icon-button-ink-color, --primary-text-color);
opacity: 0.6;
}
:host([disabled]) {
color: var(--paper-icon-button-disabled-text, --disabled-text-color);
pointer-events: none;
cursor: auto;
@apply(--paper-icon-button-disabled);
}
:host(:hover) {
@apply(--paper-icon-button-hover);
}
iron-icon {
--iron-icon-width: 100%;
--iron-icon-height: 100%;
}
</style>
<iron-icon id="icon" src="[[src]]" icon="[[icon]]" alt$="[[alt]]"></iron-icon>
</template>
<script>
Polymer({
is: 'paper-icon-button',
hostAttributes: {
role: 'button',
tabindex: '0'
},
behaviors: [
Polymer.PaperInkyFocusBehavior
],
properties: {
/**
* The URL of an image for the icon. If the src property is specified,
* the icon property should not be.
*/
src: {
type: String
},
/**
* Specifies the icon name or index in the set of icons available in
* the icon's icon set. If the icon property is specified,
* the src property should not be.
*/
icon: {
type: String
},
/**
* Specifies the alternate text for the button, for accessibility.
*/
alt: {
type: String,
observer: "_altChanged"
}
},
_altChanged: function(newValue, oldValue) {
var label = this.getAttribute('aria-label');
// Don't stomp over a user-set aria-label.
if (!label || oldValue == label) {
this.setAttribute('aria-label', newValue);
}
}
});
</script>
</dom-module>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
app-drawer-layout is a wrapper element that positions an app-drawer and other content. When
the viewport width is smaller than `responsiveWidth`, this element changes to narrow layout.
In narrow layout, the drawer will be stacked on top of the main content. The drawer will slide
in/out to hide/reveal the main content.
By default the drawer is aligned to the start, which is left in LTR layouts:
```html
<app-drawer-layout>
<app-drawer>
drawer content
</app-drawer>
<div>
main content
</div>
</app-drawer-layout>
```
Align the drawer at the end:
```html
<app-drawer-layout>
<app-drawer align="end">
drawer content
</app-drawer>
<div>
main content
</div>
</app-drawer-layout>
```
With an app-header-layout:
```html
<app-drawer-layout>
<app-drawer>
drawer-content
</app-drawer>
<app-header-layout>
<app-header>
<app-toolbar>
<div main-title>App name</div>
</app-toolbar>
</app-header>
main content
</app-header-layout>
</app-drawer-layout>
```
Add the `drawer-toggle` attribute to elements inside `app-drawer-layout` that toggle the drawer on tap events:
```html
<app-drawer-layout>
<app-drawer>
drawer-content
</app-drawer>
<app-header-layout>
<app-header>
<app-toolbar>
<paper-icon-button icon="menu" drawer-toggle></paper-icon-button>
<div main-title>App name</div>
</app-toolbar>
</app-header>
main content
</app-header-layout>
</app-drawer-layout>
```
Add the `fullbleed` attribute to app-drawer-layout to make it fit the size of its container:
```html
<app-drawer-layout fullbleed>
<app-drawer>
drawer content
</app-drawer>
<div>
main content
</div>
</app-drawer-layout>
```
### Styling
Custom property | Description | Default
-----------------------------------------|--------------------------------------|---------
`--app-drawer-layout-content-transition` | Transition for the content container | none
@group App Elements
@element app-drawer-layout
@demo app-drawer-layout/demo/simple-drawer.html Simple Demo
@demo app-drawer-layout/demo/two-drawers.html Two drawers
-->
<!--
`iron-media-query` can be used to data bind to a CSS media query.
The `query` property is a bare CSS media query.
The `query-matches` property is a boolean representing whether the page matches that media query.
Example:
<iron-media-query query="(min-width: 600px)" query-matches="{{queryMatches}}"></iron-media-query>
@group Iron Elements
@demo demo/index.html
@hero hero.svg
@element iron-media-query
-->
<script>
Polymer({
is: 'iron-media-query',
properties: {
/**
* The Boolean return value of the media query.
*/
queryMatches: {
type: Boolean,
value: false,
readOnly: true,
notify: true
},
/**
* The CSS media query to evaluate.
*/
query: {
type: String,
observer: 'queryChanged'
},
/**
* If true, the query attribute is assumed to be a complete media query
* string rather than a single media feature.
*/
full: {
type: Boolean,
value: false
},
/**
* @type {function(MediaQueryList)}
*/
_boundMQHandler: {
value: function() {
return this.queryHandler.bind(this);
}
},
/**
* @type {MediaQueryList}
*/
_mq: {
value: null
}
},
attached: function() {
this.style.display = 'none';
this.queryChanged();
},
detached: function() {
this._remove();
},
_add: function() {
if (this._mq) {
this._mq.addListener(this._boundMQHandler);
}
},
_remove: function() {
if (this._mq) {
this._mq.removeListener(this._boundMQHandler);
}
this._mq = null;
},
queryChanged: function() {
this._remove();
var query = this.query;
if (!query) {
return;
}
if (!this.full && query[0] !== '(') {
query = '(' + query + ')';
}
this._mq = window.matchMedia(query);
this._add();
this.queryHandler(this._mq);
},
queryHandler: function(mq) {
this._setQueryMatches(mq.matches);
}
});
</script><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
/**
* `IronResizableBehavior` is a behavior that can be used in Polymer elements to
* coordinate the flow of resize events between "resizers" (elements that control the
* size or hidden state of their children) and "resizables" (elements that need to be
* notified when they are resized or un-hidden by their parents in order to take
* action on their new measurements).
*
* Elements that perform measurement should add the `IronResizableBehavior` behavior to
* their element definition and listen for the `iron-resize` event on themselves.
* This event will be fired when they become showing after having been hidden,
* when they are resized explicitly by another resizable, or when the window has been
* resized.
*
* Note, the `iron-resize` event is non-bubbling.
*
* @polymerBehavior Polymer.IronResizableBehavior
* @demo demo/index.html
**/
Polymer.IronResizableBehavior = {
properties: {
/**
* The closest ancestor element that implements `IronResizableBehavior`.
*/
_parentResizable: {
type: Object,
observer: '_parentResizableChanged'
},
/**
* True if this element is currently notifying its descedant elements of
* resize.
*/
_notifyingDescendant: {
type: Boolean,
value: false
}
},
listeners: {
'iron-request-resize-notifications': '_onIronRequestResizeNotifications'
},
created: function() {
// We don't really need property effects on these, and also we want them
// to be created before the `_parentResizable` observer fires:
this._interestedResizables = [];
this._boundNotifyResize = this.notifyResize.bind(this);
},
attached: function() {
this.fire('iron-request-resize-notifications', null, {
node: this,
bubbles: true,
cancelable: true
});
if (!this._parentResizable) {
window.addEventListener('resize', this._boundNotifyResize);
this.notifyResize();
}
},
detached: function() {
if (this._parentResizable) {
this._parentResizable.stopResizeNotificationsFor(this);
} else {
window.removeEventListener('resize', this._boundNotifyResize);
}
this._parentResizable = null;
},
/**
* Can be called to manually notify a resizable and its descendant
* resizables of a resize change.
*/
notifyResize: function() {
if (!this.isAttached) {
return;
}
this._interestedResizables.forEach(function(resizable) {
if (this.resizerShouldNotify(resizable)) {
this._notifyDescendant(resizable);
}
}, this);
this._fireResize();
},
/**
* Used to assign the closest resizable ancestor to this resizable
* if the ancestor detects a request for notifications.
*/
assignParentResizable: function(parentResizable) {
this._parentResizable = parentResizable;
},
/**
* Used to remove a resizable descendant from the list of descendants
* that should be notified of a resize change.
*/
stopResizeNotificationsFor: function(target) {
var index = this._interestedResizables.indexOf(target);
if (index > -1) {
this._interestedResizables.splice(index, 1);
this.unlisten(target, 'iron-resize', '_onDescendantIronResize');
}
},
/**
* This method can be overridden to filter nested elements that should or
* should not be notified by the current element. Return true if an element
* should be notified, or false if it should not be notified.
*
* @param {HTMLElement} element A candidate descendant element that
* implements `IronResizableBehavior`.
* @return {boolean} True if the `element` should be notified of resize.
*/
resizerShouldNotify: function(element) { return true; },
_onDescendantIronResize: function(event) {
if (this._notifyingDescendant) {
event.stopPropagation();
return;
}
// NOTE(cdata): In ShadowDOM, event retargetting makes echoing of the
// otherwise non-bubbling event "just work." We do it manually here for
// the case where Polymer is not using shadow roots for whatever reason:
if (!Polymer.Settings.useShadow) {
this._fireResize();
}
},
_fireResize: function() {
this.fire('iron-resize', null, {
node: this,
bubbles: false
});
},
_onIronRequestResizeNotifications: function(event) {
var target = event.path ? event.path[0] : event.target;
if (target === this) {
return;
}
if (this._interestedResizables.indexOf(target) === -1) {
this._interestedResizables.push(target);
this.listen(target, 'iron-resize', '_onDescendantIronResize');
}
target.assignParentResizable(this);
this._notifyDescendant(target);
event.stopPropagation();
},
_parentResizableChanged: function(parentResizable) {
if (parentResizable) {
window.removeEventListener('resize', this._boundNotifyResize);
}
},
_notifyDescendant: function(descendant) {
// NOTE(cdata): In IE10, attached is fired on children first, so it's
// important not to notify them if the parent is not attached yet (or
// else they will get redundantly notified when the parent attaches).
if (!this.isAttached) {
return;
}
this._notifyingDescendant = true;
descendant.notifyResize();
this._notifyingDescendant = false;
}
};
</script><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
app-drawer is a navigation drawer that can slide in from the left or right.
Example:
Align the drawer at the start, which is left in LTR layouts (default):
```html
<app-drawer opened></app-drawer>
```
Align the drawer at the end:
```html
<app-drawer align="end" opened></app-drawer>
```
To make the contents of the drawer scrollable, create a wrapper for the scroll
content, and apply height and overflow styles to it.
```html
<app-drawer>
<div style="height: 100%; overflow: auto;"></div>
</app-drawer>
```
### Styling
Custom property | Description | Default
---------------------------------|----------------------------------------|--------------------
`--app-drawer-width` | Width of the drawer | 256px
`--app-drawer-content-container` | Mixin for the drawer content container | {}
`--app-drawer-scrim-background` | Background for the scrim | rgba(0, 0, 0, 0.5)
@group App Elements
@element app-drawer
@demo app-drawer/demo/left-drawer.html Simple Left Drawer
@demo app-drawer/demo/right-drawer.html Right Drawer with Icons
-->
<dom-module id="app-drawer" assetpath="bower_components/app-layout/app-drawer/">
<template>
<style>
:host {
position: fixed;
top: -120px;
right: 0;
bottom: -120px;
left: 0;
visibility: hidden;
transition-property: visibility;
}
:host([opened]) {
visibility: visible;
}
:host([persistent]) {
width: var(--app-drawer-width, 256px);
}
:host([persistent][position=left]) {
right: auto;
}
:host([persistent][position=right]) {
left: auto;
}
#contentContainer {
position: absolute;
top: 0;
bottom: 0;
left: 0;
width: var(--app-drawer-width, 256px);
padding: 120px 0;
transition-property: -webkit-transform;
transition-property: transform;
-webkit-transform: translate3d(-100%, 0, 0);
transform: translate3d(-100%, 0, 0);
background-color: #FFF;
@apply(--app-drawer-content-container);
}
:host([position=right]) > #contentContainer {
right: 0;
left: auto;
-webkit-transform: translate3d(100%, 0, 0);
transform: translate3d(100%, 0, 0);
}
:host([swipe-open]) > #contentContainer::after {
position: fixed;
top: 0;
bottom: 0;
left: 100%;
visibility: visible;
width: 20px;
content: '';
}
:host([swipe-open][position=right]) > #contentContainer::after {
right: 100%;
left: auto;
}
:host([opened]) > #contentContainer {
-webkit-transform: translate3d(0, 0, 0);
transform: translate3d(0, 0, 0);
}
#scrim {
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
transition-property: opacity;
-webkit-transform: translateZ(0);
transform: translateZ(0);
opacity: 0;
background: var(--app-drawer-scrim-background, rgba(0, 0, 0, 0.5));
}
:host([opened]) > #scrim {
opacity: 1;
}
:host([opened][persistent]) > #scrim {
visibility: hidden;
/**
* NOTE(keanulee): Keep both opacity: 0 and visibility: hidden to prevent the
* scrim from showing when toggling between closed and opened/persistent.
*/
opacity: 0;
}
</style>
<div id="scrim" on-tap="close"></div>
<div id="contentContainer">
<content></content>
</div>
</template>
<script>
Polymer({
is: 'app-drawer',
properties: {
/**
* The opened state of the drawer.
*/
opened: {
type: Boolean,
value: false,
notify: true,
reflectToAttribute: true
},
/**
* The drawer does not have a scrim and cannot be swiped close.
*/
persistent: {
type: Boolean,
value: false,
reflectToAttribute: true
},
/**
* The transition duration of the drawer in milliseconds.
*/
transitionDuration: {
type: Number,
value: 200
},
/**
* The alignment of the drawer on the screen ('left', 'right', 'start' or 'end').
* 'start' computes to left and 'end' to right in LTR layout and vice versa in RTL
* layout.
*/
align: {
type: String,
value: 'left'
},
/**
* The computed, read-only position of the drawer on the screen ('left' or 'right').
*/
position: {
type: String,
readOnly: true,
reflectToAttribute: true
},
/**
* Create an area at the edge of the screen to swipe open the drawer.
*/
swipeOpen: {
type: Boolean,
value: false,
reflectToAttribute: true
},
/**
* Trap keyboard focus when the drawer is opened and not persistent.
*/
noFocusTrap: {
type: Boolean,
value: false
},
/**
* Disables swiping on the drawer.
*/
disableSwipe: {
type: Boolean,
value: false
}
},
observers: [
'resetLayout(position, isAttached)',
'_resetPosition(align, isAttached)',
'_styleTransitionDuration(transitionDuration)',
'_openedPersistentChanged(opened, persistent)'
],
_translateOffset: 0,
_trackDetails: null,
_drawerState: 0,
_boundEscKeydownHandler: null,
_firstTabStop: null,
_lastTabStop: null,
attached: function() {
// Only transition the drawer after its first render (e.g. app-drawer-layout
// may need to set the initial opened state which should not be transitioned).
this._styleTransitionDuration(0);
Polymer.RenderStatus.afterNextRender(this, function() {
this._styleTransitionDuration(this.transitionDuration);
this._boundEscKeydownHandler = this._escKeydownHandler.bind(this);
this.addEventListener('keydown', this._tabKeydownHandler.bind(this))
// Only listen for horizontal track so you can vertically scroll inside the drawer.
this.listen(this, 'track', '_track');
this.setScrollDirection('y');
});
this.fire('app-drawer-attached');
},
detached: function() {
document.removeEventListener('keydown', this._boundEscKeydownHandler);
},
/**
* Opens the drawer.
*/
open: function() {
this.opened = true;
},
/**
* Closes the drawer.
*/
close: function() {
this.opened = false;
},
/**
* Toggles the drawer open and close.
*/
toggle: function() {
this.opened = !this.opened;
},
/**
* Gets the width of the drawer.
*
* @return {number} The width of the drawer in pixels.
*/
getWidth: function() {
return this.$.contentContainer.offsetWidth;
},
/**
* Resets the layout. The event fired is used by app-drawer-layout to position the
* content.
*
* @method resetLayout
*/
resetLayout: function() {
this.fire('app-drawer-reset-layout');
},
_isRTL: function() {
return window.getComputedStyle(this).direction === 'rtl';
},
_resetPosition: function() {
switch (this.align) {
case 'start':
this._setPosition(this._isRTL() ? 'right' : 'left');
return;
case 'end':
this._setPosition(this._isRTL() ? 'left' : 'right');
return;
}
this._setPosition(this.align);
},
_escKeydownHandler: function(event) {
var ESC_KEYCODE = 27;
if (event.keyCode === ESC_KEYCODE) {
// Prevent any side effects if app-drawer closes.
event.preventDefault();
this.close();
}
},
_track: function(event) {
if (this.persistent || this.disableSwipe) {
return;
}
// Disable user selection on desktop.
event.preventDefault();
switch (event.detail.state) {
case 'start':
this._trackStart(event);
break;
case 'track':
this._trackMove(event);
break;
case 'end':
this._trackEnd(event);
break;
}
},
_trackStart: function(event) {
this._drawerState = this._DRAWER_STATE.TRACKING;
// Disable transitions since style attributes will reflect user track events.
this._styleTransitionDuration(0);
this.style.visibility = 'visible';
var rect = this.$.contentContainer.getBoundingClientRect();
if (this.position === 'left') {
this._translateOffset = rect.left;
} else {
this._translateOffset = rect.right - window.innerWidth;
}
this._trackDetails = [];
},
_trackMove: function(event) {
this._translateDrawer(event.detail.dx + this._translateOffset);
// Use Date.now() since event.timeStamp is inconsistent across browsers (e.g. most
// browsers use milliseconds but FF 44 uses microseconds).
this._trackDetails.push({
dx: event.detail.dx,
timeStamp: Date.now()
});
},
_trackEnd: function(event) {
var x = event.detail.dx + this._translateOffset;
var drawerWidth = this.getWidth();
var isPositionLeft = this.position === 'left';
var isInEndState = isPositionLeft ? (x >= 0 || x <= -drawerWidth) :
(x <= 0 || x >= drawerWidth);
if (!isInEndState) {
// No longer need the track events after this method returns - allow them to be GC'd.
var trackDetails = this._trackDetails;
this._trackDetails = null;
this._flingDrawer(event, trackDetails);
if (this._drawerState === this._DRAWER_STATE.FLINGING) {
return;
}
}
// If the drawer is not flinging, toggle the opened state based on the position of
// the drawer.
var halfWidth = drawerWidth / 2;
if (event.detail.dx < -halfWidth) {
this.opened = this.position === 'right';
} else if (event.detail.dx > halfWidth) {
this.opened = this.position === 'left';
}
if (isInEndState) {
this.debounce('_resetDrawerState', this._resetDrawerState);
} else {
this.debounce('_resetDrawerState', this._resetDrawerState, this.transitionDuration);
}
this._styleTransitionDuration(this.transitionDuration);
this._resetDrawerTranslate();
this.style.visibility = '';
},
_calculateVelocity: function(event, trackDetails) {
// Find the oldest track event that is within 100ms using binary search.
var now = Date.now();
var timeLowerBound = now - 100;
var trackDetail;
var min = 0;
var max = trackDetails.length - 1;
while (min <= max) {
// Floor of average of min and max.
var mid = (min + max) >> 1;
var d = trackDetails[mid];
if (d.timeStamp >= timeLowerBound) {
trackDetail = d;
max = mid - 1;
} else {
min = mid + 1;
}
}
if (trackDetail) {
var dx = event.detail.dx - trackDetail.dx;
var dt = (now - trackDetail.timeStamp) || 1;
return dx / dt;
}
return 0;
},
_flingDrawer: function(event, trackDetails) {
var velocity = this._calculateVelocity(event, trackDetails);
// Do not fling if velocity is not above a threshold.
if (Math.abs(velocity) < this._MIN_FLING_THRESHOLD) {
return;
}
this._drawerState = this._DRAWER_STATE.FLINGING;
var x = event.detail.dx + this._translateOffset;
var drawerWidth = this.getWidth();
var isPositionLeft = this.position === 'left';
var isVelocityPositive = velocity > 0;
var isClosingLeft = !isVelocityPositive && isPositionLeft;
var isClosingRight = isVelocityPositive && !isPositionLeft;
var dx;
if (isClosingLeft) {
dx = -(x + drawerWidth);
} else if (isClosingRight) {
dx = (drawerWidth - x);
} else {
dx = -x;
}
// Enforce a minimum transition velocity to make the drawer feel snappy.
if (isVelocityPositive) {
velocity = Math.max(velocity, this._MIN_TRANSITION_VELOCITY);
this.opened = this.position === 'left';
} else {
velocity = Math.min(velocity, -this._MIN_TRANSITION_VELOCITY);
this.opened = this.position === 'right';
}
// Calculate the amount of time needed to finish the transition based on the
// initial slope of the timing function.
var t = this._FLING_INITIAL_SLOPE * dx / velocity
this._styleTransitionDuration(t);
this._styleTransitionTimingFunction(this._FLING_TIMING_FUNCTION);
this._resetDrawerTranslate();
this.debounce('_resetDrawerState', this._resetDrawerState, t);
},
_styleTransitionDuration: function(duration) {
this.style.transitionDuration = duration + 'ms';
this.$.contentContainer.style.transitionDuration = duration + 'ms';
this.$.scrim.style.transitionDuration = duration + 'ms';
},
_styleTransitionTimingFunction: function(timingFunction) {
this.$.contentContainer.style.transitionTimingFunction = timingFunction;
this.$.scrim.style.transitionTimingFunction = timingFunction;
},
_translateDrawer: function(x) {
var drawerWidth = this.getWidth();
if (this.position === 'left') {
x = Math.max(-drawerWidth, Math.min(x, 0));
this.$.scrim.style.opacity = 1 + x / drawerWidth;
} else {
x = Math.max(0, Math.min(x, drawerWidth));
this.$.scrim.style.opacity = 1 - x / drawerWidth;
}
this.translate3d(x + 'px', '0', '0', this.$.contentContainer);
},
_resetDrawerTranslate: function() {
this.$.scrim.style.opacity = '';
this.transform('', this.$.contentContainer);
},
_resetDrawerState: function() {
var oldState = this._drawerState;
// If the drawer was flinging, we need to reset the style attributes.
if (oldState === this._DRAWER_STATE.FLINGING) {
this._styleTransitionDuration(this.transitionDuration);
this._styleTransitionTimingFunction('');
this.style.visibility = '';
}
if (this.opened) {
this._drawerState = this.persistent ?
this._DRAWER_STATE.OPENED_PERSISTENT : this._DRAWER_STATE.OPENED;
} else {
this._drawerState = this._DRAWER_STATE.CLOSED;
}
if (oldState !== this._drawerState) {
if (this._drawerState === this._DRAWER_STATE.OPENED) {
this._setKeyboardFocusTrap();
document.addEventListener('keydown', this._boundEscKeydownHandler);
document.body.style.overflow = 'hidden';
} else {
document.removeEventListener('keydown', this._boundEscKeydownHandler);
document.body.style.overflow = '';
}
// Don't fire the event on initial load.
if (oldState !== this._DRAWER_STATE.INIT) {
this.fire('app-drawer-transitioned');
}
}
},
_setKeyboardFocusTrap: function() {
if (this.noFocusTrap) {
return;
}
// NOTE: Unless we use /deep/ (which we shouldn't since it's deprecated), this will
// not select focusable elements inside shadow roots.
var focusableElementsSelector = [
'a[href]:not([tabindex="-1"])',
'area[href]:not([tabindex="-1"])',
'input:not([disabled]):not([tabindex="-1"])',
'select:not([disabled]):not([tabindex="-1"])',
'textarea:not([disabled]):not([tabindex="-1"])',
'button:not([disabled]):not([tabindex="-1"])',
'iframe:not([tabindex="-1"])',
'[tabindex]:not([tabindex="-1"])',
'[contentEditable=true]:not([tabindex="-1"])'
].join(',');
var focusableElements = Polymer.dom(this).querySelectorAll(focusableElementsSelector);
if (focusableElements.length > 0) {
this._firstTabStop = focusableElements[0];
this._lastTabStop = focusableElements[focusableElements.length - 1];
} else {
// Reset saved tab stops when there are no focusable elements in the drawer.
this._firstTabStop = null;
this._lastTabStop = null;
}
// Focus on app-drawer if it has non-zero tabindex. Otherwise, focus the first focusable
// element in the drawer, if it exists. Use the tabindex attribute since the this.tabIndex
// property in IE/Edge returns 0 (instead of -1) when the attribute is not set.
var tabindex = this.getAttribute('tabindex');
if (tabindex && parseInt(tabindex, 10) > -1) {
this.focus();
} else if (this._firstTabStop) {
this._firstTabStop.focus();
}
},
_tabKeydownHandler: function(event) {
if (this.noFocusTrap) {
return;
}
var TAB_KEYCODE = 9;
if (this._drawerState === this._DRAWER_STATE.OPENED && event.keyCode === TAB_KEYCODE) {
if (event.shiftKey) {
if (this._firstTabStop && Polymer.dom(event).localTarget === this._firstTabStop) {
event.preventDefault();
this._lastTabStop.focus();
}
} else {
if (this._lastTabStop && Polymer.dom(event).localTarget === this._lastTabStop) {
event.preventDefault();
this._firstTabStop.focus();
}
}
}
},
_openedPersistentChanged: function() {
// Use a debounce timer instead of transitionend since transitionend won't fire when
// app-drawer is display: none.
this.debounce('_resetDrawerState', this._resetDrawerState, this.transitionDuration);
},
_MIN_FLING_THRESHOLD: 0.2,
_MIN_TRANSITION_VELOCITY: 1.2,
_FLING_TIMING_FUNCTION: 'cubic-bezier(0.667, 1, 0.667, 1)',
_FLING_INITIAL_SLOPE: 1.5,
_DRAWER_STATE: {
INIT: 0,
OPENED: 1,
OPENED_PERSISTENT: 2,
CLOSED: 3,
TRACKING: 4,
FLINGING: 5
}
/**
* Fired when the layout of app-drawer is attached.
*
* @event app-drawer-attached
*/
/**
* Fired when the layout of app-drawer has changed.
*
* @event app-drawer-reset-layout
*/
/**
* Fired when app-drawer has finished transitioning.
*
* @event app-drawer-transitioned
*/
});
</script>
</dom-module>
<dom-module id="app-drawer-layout" assetpath="bower_components/app-layout/app-drawer-layout/">
<template>
<style>
:host {
display: block;
}
:host([fullbleed]) {
@apply(--layout-fit);
}
#contentContainer {
position: relative;
height: 100%;
transition: var(--app-drawer-layout-content-transition, none);
}
#contentContainer:not(.narrow) > ::content [drawer-toggle] {
display: none;
}
</style>
<div id="contentContainer">
<content select=":not(app-drawer)"></content>
</div>
<content id="drawerContent" select="app-drawer"></content>
<iron-media-query query="[[_computeMediaQuery(forceNarrow, responsiveWidth)]]" on-query-matches-changed="_onQueryMatchesChanged"></iron-media-query>
</template>
<script>
Polymer({
is: 'app-drawer-layout',
behaviors: [
Polymer.IronResizableBehavior
],
properties: {
/**
* If true, ignore `responsiveWidth` setting and force the narrow layout.
*/
forceNarrow: {
type: Boolean,
value: false
},
/**
* If the viewport's width is smaller than this value, the panel will change to narrow
* layout. In the mode the drawer will be closed.
*/
responsiveWidth: {
type: String,
value: '640px'
},
/**
* Returns true if it is in narrow layout. This is useful if you need to show/hide
* elements based on the layout.
*/
narrow: {
type: Boolean,
readOnly: true,
notify: true
},
/**
* If true, the drawer will initially be opened when in narrow layout mode.
*/
openedWhenNarrow: {
type: Boolean,
value: false
}
},
listeners: {
'tap': '_tapHandler',
'app-drawer-attached': '_resetDrawerState',
'app-drawer-reset-layout': 'resetLayout',
'iron-resize': 'resetLayout'
},
observers: [
'resetLayout(narrow, isAttached)',
'_narrowChanged(narrow, isAttached)'
],
/**
* A reference to the app-drawer element.
*
* @property drawer
*/
get drawer() {
return Polymer.dom(this.$.drawerContent).getDistributedNodes()[0];
},
_tapHandler: function(e) {
var target = Polymer.dom(e).localTarget;
if (target && target.hasAttribute('drawer-toggle')) {
var drawer = this.drawer;
if (drawer && !drawer.persistent) {
drawer.toggle();
}
}
},
resetLayout: function() {
this.debounce('_resetLayout', function() {
var drawer = this.drawer;
var contentContainer = this.$.contentContainer;
if (this.narrow || !drawer) {
contentContainer.style.marginLeft = '';
contentContainer.style.marginRight = '';
} else {
var drawerWidth = drawer.getWidth();
if (drawer.position == 'right') {
contentContainer.style.marginLeft = '';
contentContainer.style.marginRight = drawerWidth + 'px';
} else {
contentContainer.style.marginLeft = drawerWidth + 'px';
contentContainer.style.marginRight = '';
}
}
});
},
_resetDrawerState: function() {
this.debounce('_resetDrawerState', function() {
var drawer = this.drawer;
if (!drawer) {
return;
}
if (this.narrow) {
drawer.opened = this.openedWhenNarrow;
drawer.persistent = false;
} else {
drawer.opened = drawer.persistent = true;
}
});
},
_narrowChanged: function(narrow) {
this.toggleClass('narrow', narrow, this.$.contentContainer);
this._resetDrawerState();
this.notifyResize();
},
_onQueryMatchesChanged: function(event) {
this._setNarrow(event.detail.value);
},
_computeMediaQuery: function(forceNarrow, responsiveWidth) {
return forceNarrow ? '(min-width: 0px)' : '(max-width: ' + responsiveWidth + ')';
}
});
</script>
</dom-module>
<!--
@license
Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
@license
Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
@license
Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
@license
Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
/**
* `Polymer.IronScrollTargetBehavior` allows an element to respond to scroll events from a
* designated scroll target.
*
* Elements that consume this behavior can override the `_scrollHandler`
* method to add logic on the scroll event.
*
* @demo demo/scrolling-region.html Scrolling Region
* @demo demo/document.html Document Element
* @polymerBehavior
*/
Polymer.IronScrollTargetBehavior = {
properties: {
/**
* Specifies the element that will handle the scroll event
* on the behalf of the current element. This is typically a reference to an element,
* but there are a few more posibilities:
*
* ### Elements id
*
*```html
* <div id="scrollable-element" style="overflow: auto;">
* <x-element scroll-target="scrollable-element">
* <!-- Content-->
* </x-element>
* </div>
*```
* In this case, the `scrollTarget` will point to the outer div element.
*
* ### Document scrolling
*
* For document scrolling, you can use the reserved word `document`:
*
*```html
* <x-element scroll-target="document">
* <!-- Content -->
* </x-element>
*```
*
* ### Elements reference
*
*```js
* appHeader.scrollTarget = document.querySelector('#scrollable-element');
*```
*
* @type {Element}
*/
scrollTarget: {
type: Object,
value: function() {
return this._defaultScrollTarget;
}
}
},
observers: [
'_scrollTargetChanged(scrollTarget, isAttached)'
],
/**
* True if the event listener should be installed.
*/
_shouldHaveListener: true,
_scrollTargetChanged: function(scrollTarget, isAttached) {
var eventTarget;
if (this._oldScrollTarget) {
this._toggleScrollListener(false, this._oldScrollTarget);
this._oldScrollTarget = null;
}
if (!isAttached) {
return;
}
// Support element id references
if (scrollTarget === 'document') {
this.scrollTarget = this._doc;
} else if (typeof scrollTarget === 'string') {
this.scrollTarget = this.domHost ? this.domHost.$[scrollTarget] :
Polymer.dom(this.ownerDocument).querySelector('#' + scrollTarget);
} else if (this._isValidScrollTarget()) {
this._boundScrollHandler = this._boundScrollHandler || this._scrollHandler.bind(this);
this._oldScrollTarget = scrollTarget;
this._toggleScrollListener(this._shouldHaveListener, scrollTarget);
}
},
/**
* Runs on every scroll event. Consumer of this behavior may override this method.
*
* @protected
*/
_scrollHandler: function scrollHandler() {},
/**
* The default scroll target. Consumers of this behavior may want to customize
* the default scroll target.
*
* @type {Element}
*/
get _defaultScrollTarget() {
return this._doc;
},
/**
* Shortcut for the document element
*
* @type {Element}
*/
get _doc() {
return this.ownerDocument.documentElement;
},
/**
* Gets the number of pixels that the content of an element is scrolled upward.
*
* @type {number}
*/
get _scrollTop() {
if (this._isValidScrollTarget()) {
return this.scrollTarget === this._doc ? window.pageYOffset : this.scrollTarget.scrollTop;
}
return 0;
},
/**
* Gets the number of pixels that the content of an element is scrolled to the left.
*
* @type {number}
*/
get _scrollLeft() {
if (this._isValidScrollTarget()) {
return this.scrollTarget === this._doc ? window.pageXOffset : this.scrollTarget.scrollLeft;
}
return 0;
},
/**
* Sets the number of pixels that the content of an element is scrolled upward.
*
* @type {number}
*/
set _scrollTop(top) {
if (this.scrollTarget === this._doc) {
window.scrollTo(window.pageXOffset, top);
} else if (this._isValidScrollTarget()) {
this.scrollTarget.scrollTop = top;
}
},
/**
* Sets the number of pixels that the content of an element is scrolled to the left.
*
* @type {number}
*/
set _scrollLeft(left) {
if (this.scrollTarget === this._doc) {
window.scrollTo(left, window.pageYOffset);
} else if (this._isValidScrollTarget()) {
this.scrollTarget.scrollLeft = left;
}
},
/**
* Scrolls the content to a particular place.
*
* @method scroll
* @param {number} left The left position
* @param {number} top The top position
*/
scroll: function(left, top) {
if (this.scrollTarget === this._doc) {
window.scrollTo(left, top);
} else if (this._isValidScrollTarget()) {
this.scrollTarget.scrollLeft = left;
this.scrollTarget.scrollTop = top;
}
},
/**
* Gets the width of the scroll target.
*
* @type {number}
*/
get _scrollTargetWidth() {
if (this._isValidScrollTarget()) {
return this.scrollTarget === this._doc ? window.innerWidth : this.scrollTarget.offsetWidth;
}
return 0;
},
/**
* Gets the height of the scroll target.
*
* @type {number}
*/
get _scrollTargetHeight() {
if (this._isValidScrollTarget()) {
return this.scrollTarget === this._doc ? window.innerHeight : this.scrollTarget.offsetHeight;
}
return 0;
},
/**
* Returns true if the scroll target is a valid HTMLElement.
*
* @return {boolean}
*/
_isValidScrollTarget: function() {
return this.scrollTarget instanceof HTMLElement;
},
_toggleScrollListener: function(yes, scrollTarget) {
if (!this._boundScrollHandler) {
return;
}
var eventTarget = scrollTarget === this._doc ? window : scrollTarget;
if (yes) {
eventTarget.addEventListener('scroll', this._boundScrollHandler);
} else {
eventTarget.removeEventListener('scroll', this._boundScrollHandler);
}
},
/**
* Enables or disables the scroll event listener.
*
* @param {boolean} yes True to add the event, False to remove it.
*/
toggleScrollListener: function(yes) {
this._shouldHaveListener = yes;
this._toggleScrollListener(yes, this.scrollTarget);
}
};
</script><!--
@license
Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
Polymer.AppLayout = Polymer.AppLayout || {};
Polymer.AppLayout._scrollEffects = Polymer.AppLayout._scrollEffects || {};
Polymer.AppLayout.scrollTimingFunction = function easeOutQuad(t, b, c, d) {
t /= d;
return -c * t*(t-2) + b;
};
/**
* Registers a scroll effect to be used in elements that implement the
* `Polymer.AppScrollEffectsBehavior` behavior.
*
* @param {string} effectName The effect name.
* @param {Object} effectDef The effect definition.
*/
Polymer.AppLayout.registerEffect = function registerEffect(effectName, effectDef) {
if (Polymer.AppLayout._scrollEffects[effectName] != null) {
throw new Error('effect `'+ effectName + '` is already registered.');
}
Polymer.AppLayout._scrollEffects[effectName] = effectDef;
};
/**
* Scrolls to a particular set of coordinates in a scroll target.
* If the scroll target is not defined, then it would use the main document as the target.
*
* To scroll in a smooth fashion, you can set the option `behavior: 'smooth'`. e.g.
*
* ```js
* Polymer.AppLayout.scroll({top: 0, behavior: 'smooth'});
* ```
*
* To scroll in a silent mode, without notifying scroll changes to any app-layout elements,
* you can set the option `behavior: 'silent'`. This is particularly useful we you are using
* `app-header` and you desire to scroll to the top of a scrolling region without running
* scroll effects. e.g.
*
* ```js
* Polymer.AppLayout.scroll({top: 0, behavior: 'silent'});
* ```
*
* @param {Object} options {top: Number, left: Number, behavior: String(smooth | silent)}
*/
Polymer.AppLayout.scroll = function scroll(options) {
options = options || {};
var docEl = document.documentElement;
var target = options.target || docEl;
var hasNativeScrollBehavior = 'scrollBehavior' in target.style && target.scroll;
var scrollClassName = 'app-layout-silent-scroll';
var scrollTop = options.top || 0;
var scrollLeft = options.left || 0;
var scrollTo = target === docEl ? window.scrollTo :
function scrollTo(scrollLeft, scrollTop) {
target.scrollLeft = scrollLeft;
target.scrollTop = scrollTop;
};
if (options.behavior === 'smooth') {
if (hasNativeScrollBehavior) {
target.scroll(options);
} else {
var timingFn = Polymer.AppLayout.scrollTimingFunction;
var startTime = Date.now();
var currentScrollTop = target === docEl ? window.pageYOffset : target.scrollTop;
var currentScrollLeft = target === docEl ? window.pageXOffset : target.scrollLeft;
var deltaScrollTop = scrollTop - currentScrollTop;
var deltaScrollLeft = scrollLeft - currentScrollLeft;
var duration = 300;
var updateFrame = (function updateFrame() {
var now = Date.now();
var elapsedTime = now - startTime;
if (elapsedTime < duration) {
scrollTo(timingFn(elapsedTime, currentScrollLeft, deltaScrollLeft, duration),
timingFn(elapsedTime, currentScrollTop, deltaScrollTop, duration));
requestAnimationFrame(updateFrame);
} else {
scrollTo(scrollLeft, scrollTop);
}
}).bind(this);
updateFrame();
}
} else if (options.behavior === 'silent') {
docEl.classList.add(scrollClassName);
// Browsers keep the scroll momentum even if the bottom of the scrolling content
// was reached. This means that calling scroll({top: 0, behavior: 'silent'}) when
// the momentum is still going will result in more scroll events and thus scroll effects.
// This seems to only apply when using document scrolling.
// Therefore, when should we remove the class from the document element?
clearInterval(Polymer.AppLayout._scrollTimer);
Polymer.AppLayout._scrollTimer = setTimeout(function() {
docEl.classList.remove(scrollClassName);
Polymer.AppLayout._scrollTimer = null;
}, 100);
scrollTo(scrollLeft, scrollTop);
} else {
scrollTo(scrollLeft, scrollTop);
}
};
</script><script>
/**
* `Polymer.AppScrollEffectsBehavior` provides an interface that allows an element to use scrolls effects.
*
* ### Importing the app-layout effects
*
* app-layout provides a set of scroll effects that can be used by explicitly importing
* `app-scroll-effects.html`:
*
* ```html
* <link rel="import" href="/bower_components/app-layout/app-scroll-effects/app-scroll-effects.html">
* ```
*
* The scroll effects can also be used by individually importing
* `app-layout/app-scroll-effects/effects/[effectName].html`. For example:
*
* ```html
* <link rel="import" href="/bower_components/app-layout/app-scroll-effects/effects/waterfall.html">
* ```
*
* ### Consuming effects
*
* Effects can be consumed via the `effects` property. For example:
*
* ```html
* <app-header effects="waterfall"></app-header>
* ```
*
* ### Creating scroll effects
*
* You may want to create a custom scroll effect if you need to modify the CSS of an element
* based on the scroll position.
*
* A scroll effect definition is an object with `setUp()`, `tearDown()` and `run()` functions.
*
* To register the effect, you can use `Polymer.AppLayout.registerEffect(effectName, effectDef)`
* For example, let's define an effect that resizes the header's logo:
*
* ```js
* Polymer.AppLayout.registerEffect('resizable-logo', {
* setUp: function(config) {
* // the effect's config is passed to the setUp.
* this._fxResizeLogo = { logo: Polymer.dom(this).querySelector('[logo]') };
* },
*
* run: function(progress) {
* // the progress of the effect
* this.transform('scale3d(' + progress + ', '+ progress +', 1)', this._fxResizeLogo.logo);
* },
*
* tearDown: function() {
* // clean up and reset of states
* delete this._fxResizeLogo;
* }
* });
* ```
* Now, you can consume the effect:
*
* ```html
* <app-header id="appHeader" effects="resizable-logo">
* <img logo src="logo.svg">
* </app-header>
* ```
*
* ### Imperative API
*
* ```js
* var logoEffect = appHeader.createEffect('resizable-logo', effectConfig);
* // run the effect: logoEffect.run(progress);
* // tear down the effect: logoEffect.tearDown();
* ```
*
* ### Configuring effects
*
* For effects installed via the `effects` property, their configuration can be set
* via the `effectsConfig` property. For example:
*
* ```html
* <app-header effects="waterfall"
* effects-config='{"waterfall": {"startsAt": 0, "endsAt": 0.5}}'>
* </app-header>
* ```
*
* All effects have a `startsAt` and `endsAt` config property. They specify at what
* point the effect should start and end. This value goes from 0 to 1 inclusive.
*
* @polymerBehavior
*/
Polymer.AppScrollEffectsBehavior = [
Polymer.IronScrollTargetBehavior,
{
properties: {
/**
* A space-separated list of the effects names that will be triggered when the user scrolls.
* e.g. `waterfall parallax-background` installs the `waterfall` and `parallax-background`.
*/
effects: {
type: String
},
/**
* An object that configurates the effects installed via the `effects` property. e.g.
* ```js
* element.effectsConfig = {
* "blend-background": {
* "startsAt": 0.5
* }
* };
* ```
* Every effect has at least two config properties: `startsAt` and `endsAt`.
* These properties indicate when the event should start and end respectively
* and relative to the overall element progress. So for example, if `blend-background`
* starts at `0.5`, the effect will only start once the current element reaches 0.5
* of its progress. In this context, the progress is a value in the range of `[0, 1]`
* that indicates where this element is on the screen relative to the viewport.
*/
effectsConfig: {
type: Object,
value: function() {
return {};
}
},
/**
* Disables CSS transitions and scroll effects on the element.
*/
disabled: {
type: Boolean,
reflectToAttribute: true,
value: false
},
/**
* Allows to set a `scrollTop` threshold. When greater than 0, `thresholdTriggered`
* is true only when the scroll target's `scrollTop` has reached this value.
*
* For example, if `threshold = 100`, `thresholdTriggered` is true when the `scrollTop`
* is at least `100`.
*/
threshold: {
type: Number,
value: 0
},
/**
* True if the `scrollTop` threshold (set in `scrollTopThreshold`) has
* been reached.
*/
thresholdTriggered: {
type: Boolean,
notify: true,
readOnly: true,
reflectToAttribute: true
}
},
observers: [
'_effectsChanged(effects, effectsConfig, isAttached)'
],
/**
* Updates the scroll state. This method should be overridden
* by the consumer of this behavior.
*
* @method _updateScrollState
*/
_updateScrollState: function() {},
/**
* Returns true if the current element is on the screen.
* That is, visible in the current viewport. This method should be
* overridden by the consumer of this behavior.
*
* @method isOnScreen
* @return {boolean}
*/
isOnScreen: function() {
return false;
},
/**
* Returns true if there's content below the current element. This method
* should be overridden by the consumer of this behavior.
*
* @method isContentBelow
* @return {boolean}
*/
isContentBelow: function() {
return false;
},
/**
* List of effects handlers that will take place during scroll.
*
* @type {Array<Function>}
*/
_effectsRunFn: null,
/**
* List of the effects definitions installed via the `effects` property.
*
* @type {Array<Object>}
*/
_effects: null,
/**
* The clamped value of `_scrollTop`.
* @type number
*/
get _clampedScrollTop() {
return Math.max(0, this._scrollTop);
},
detached: function() {
this._tearDownEffects();
},
/**
* Creates an effect object from an effect's name that can be used to run
* effects programmatically.
*
* @method createEffect
* @param {string} effectName The effect's name registered via `Polymer.AppLayout.registerEffect`.
* @param {Object=} effectConfig The effect config object. (Optional)
* @return {Object} An effect object with the following functions:
*
* * `effect.setUp()`, Sets up the requirements for the effect.
* This function is called automatically before the `effect` function returns.
* * `effect.run(progress, y)`, Runs the effect given a `progress`.
* * `effect.tearDown()`, Cleans up any DOM nodes or element references used by the effect.
*
* Example:
* ```js
* var parallax = element.createEffect('parallax-background');
* // runs the effect
* parallax.run(0.5, 0);
* ```
*/
createEffect: function(effectName, effectConfig) {
var effectDef = Polymer.AppLayout._scrollEffects[effectName];
if (!effectDef) {
throw new ReferenceError(this._getUndefinedMsg(effectName));
}
var prop = this._boundEffect(effectDef, effectConfig || {});
prop.setUp();
return prop;
},
/**
* Called when `effects` or `effectsConfig` changes.
*/
_effectsChanged: function(effects, effectsConfig, isAttached) {
this._tearDownEffects();
if (effects === '' || !isAttached) {
return;
}
effects.split(' ').forEach(function(effectName) {
var effectDef;
if (effectName !== '') {
if ((effectDef = Polymer.AppLayout._scrollEffects[effectName])) {
this._effects.push(this._boundEffect(effectDef, effectsConfig[effectName]));
} else {
console.warn(this._getUndefinedMsg(effectName));
}
}
}, this);
this._setUpEffect();
},
/**
* Forces layout
*/
_layoutIfDirty: function() {
return this.offsetWidth;
},
/**
* Returns an effect object bound to the current context.
*
* @param {Object} effectDef
* @param {Object=} effectsConfig The effect config object if the effect accepts config values. (Optional)
*/
_boundEffect: function(effectDef, effectsConfig) {
effectsConfig = effectsConfig || {};
var startsAt = parseFloat(effectsConfig.startsAt || 0);
var endsAt = parseFloat(effectsConfig.endsAt || 1);
var deltaS = endsAt - startsAt;
var noop = function() {};
// fast path if possible
var runFn = (startsAt === 0 && endsAt === 1) ? effectDef.run :
function(progress, y) {
effectDef.run.call(this,
Math.max(0, (progress - startsAt) / deltaS), y);
};
return {
setUp: effectDef.setUp ? effectDef.setUp.bind(this, effectsConfig) : noop,
run: effectDef.run ? runFn.bind(this) : noop,
tearDown: effectDef.tearDown ? effectDef.tearDown.bind(this) : noop
};
},
/**
* Sets up the effects.
*/
_setUpEffect: function() {
if (this.isAttached && this._effects) {
this._effectsRunFn = [];
this._effects.forEach(function(effectDef) {
// install the effect only if no error was reported
if (effectDef.setUp() !== false) {
this._effectsRunFn.push(effectDef.run);
}
}, this);
}
},
/**
* Tears down the effects.
*/
_tearDownEffects: function() {
if (this._effects) {
this._effects.forEach(function(effectDef) {
effectDef.tearDown();
});
}
this._effectsRunFn = [];
this._effects = [];
},
/**
* Runs the effects.
*
* @param {number} p The progress
* @param {number} y The top position of the current element relative to the viewport.
*/
_runEffects: function(p, y) {
if (this._effectsRunFn) {
this._effectsRunFn.forEach(function(run) {
run(p, y);
});
}
},
/**
* Overrides the `_scrollHandler`.
*/
_scrollHandler: function() {
if (!this.disabled) {
var scrollTop = this._clampedScrollTop;
this._updateScrollState(scrollTop);
if (this.threshold > 0) {
this._setThresholdTriggered(scrollTop >= this.threshold);
}
}
},
/**
* Override this method to return a reference to a node in the local DOM.
* The node is consumed by a scroll effect.
*
* @param {string} id The id for the node.
*/
_getDOMRef: function(id) {
console.warn('_getDOMRef', '`'+ id +'` is undefined');
},
_getUndefinedMsg: function(effectName) {
return 'Scroll effect `' + effectName + '` is undefined. ' +
'Did you forget to import app-layout/app-scroll-effects/effects/' + effectName + '.html ?';
}
}];
</script><script>
/**
* While scrolling down, fade in the rear background layer and fade out the front background
* layer (opacity interpolated based on scroll position).
*/
Polymer.AppLayout.registerEffect('blend-background', {
/** @this Polymer.AppLayout.ElementWithBackground */
setUp: function setUp() {
var fx = {};
fx.backgroundFrontLayer = this._getDOMRef('backgroundFrontLayer');
fx.backgroundRearLayer = this._getDOMRef('backgroundRearLayer');
fx.backgroundFrontLayer.style.willChange = 'opacity';
fx.backgroundFrontLayer.style.transform = 'translateZ(0)';
fx.backgroundRearLayer.style.willChange = 'opacity';
fx.backgroundRearLayer.style.transform = 'translateZ(0)';
fx.backgroundRearLayer.style.opacity = 0;
this._fxBlendBackground = fx;
},
/** @this Polymer.AppLayout.ElementWithBackground */
run: function run(p, y) {
var fx = this._fxBlendBackground;
fx.backgroundFrontLayer.style.opacity = 1 - p;
fx.backgroundRearLayer.style.opacity = p;
},
/** @this Polymer.AppLayout.ElementWithBackground */
tearDown: function tearDown() {
delete this._fxBlendBackground;
}
});
</script><!--
@license
Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
/**
* Upon scrolling past a threshold, fade in the rear background layer and fade out the front
* background layer (opacity CSS transitioned over time).
*
*
*/
Polymer.AppLayout.registerEffect('fade-background', {
/** @this Polymer.AppLayout.ElementWithBackground */
setUp: function setUp(config) {
var fx = {};
var duration = config.duration || '0.5s';
fx.backgroundFrontLayer = this._getDOMRef('backgroundFrontLayer');
fx.backgroundRearLayer = this._getDOMRef('backgroundRearLayer');
fx.backgroundFrontLayer.style.willChange = 'opacity';
fx.backgroundFrontLayer.style.webkitTransform = 'translateZ(0)';
fx.backgroundFrontLayer.style.transitionProperty = 'opacity';
fx.backgroundFrontLayer.style.transitionDuration = duration;
fx.backgroundRearLayer.style.willChange = 'opacity';
fx.backgroundRearLayer.style.webkitTransform = 'translateZ(0)';
fx.backgroundRearLayer.style.transitionProperty = 'opacity';
fx.backgroundRearLayer.style.transitionDuration = duration;
this._fxFadeBackground = fx;
},
/** @this Polymer.AppLayout.ElementWithBackground */
run: function run(p, y) {
var fx = this._fxFadeBackground;
if (p >= 1) {
fx.backgroundFrontLayer.style.opacity = 0;
fx.backgroundRearLayer.style.opacity = 1;
} else {
fx.backgroundFrontLayer.style.opacity = 1;
fx.backgroundRearLayer.style.opacity = 0;
}
},
/** @this Polymer.AppLayout.ElementWithBackground */
tearDown: function tearDown() {
delete this._fxFadeBackground;
}
});
</script><!--
@license
Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
@license
Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
/**
* Toggles the shadow property in app-header when content is scrolled to create a sense of depth
* between the element and the content underneath.
*/
Polymer.AppLayout.registerEffect('waterfall', {
/**
* @this Polymer.AppLayout.ElementWithBackground
*/
run: function run() {
this.shadow = this.isOnScreen() && this.isContentBelow();
}
});
</script><!--
@license
Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
(function() {
function interpolate(progress, points, fn, ctx) {
fn.apply(ctx, points.map(function(point) {
return point[0] + (point[1] - point[0]) * progress;
}));
}
/**
* Transform the font size of a designated title element between two values based on the scroll
* position.
*/
Polymer.AppLayout.registerEffect('resize-title', {
/** @this Polymer.AppLayout.ElementWithBackground */
setUp: function setUp() {
var title = this._getDOMRef('mainTitle');
var condensedTitle = this._getDOMRef('condensedTitle');
if (!condensedTitle) {
console.warn('Scroll effect `resize-title`: undefined `condensed-title`');
return false;
}
if (!title) {
console.warn('Scroll effect `resize-title`: undefined `main-title`');
return false;
}
condensedTitle.style.willChange = 'opacity';
title.style.willChange = 'opacity';
condensedTitle.style.webkitTransform = 'translateZ(0)';
title.style.webkitTransform = 'translateZ(0)';
condensedTitle.style.transform = 'translateZ(0)';
title.style.transform = 'translateZ(0)';
var titleClientRect = title.getBoundingClientRect();
var condensedTitleClientRect = condensedTitle.getBoundingClientRect();
var fx = {};
fx.scale = parseInt(window.getComputedStyle(condensedTitle)['font-size'], 10) /
parseInt(window.getComputedStyle(title)['font-size'], 10);
fx.titleDX = titleClientRect.left - condensedTitleClientRect.left;
fx.titleDY = titleClientRect.top - condensedTitleClientRect.top;
fx.condensedTitle = condensedTitle;
fx.title = title;
this._fxResizeTitle = fx;
},
/** @this PolymerElement */
run: function run(p, y) {
var fx = this._fxResizeTitle;
if (!this.condenses) {
y = 0;
}
if (p >= 1) {
fx.title.style.opacity = 0;
fx.condensedTitle.style.opacity = 1;
} else {
fx.title.style.opacity = 1;
fx.condensedTitle.style.opacity = 0;
}
interpolate(Math.min(1, p), [ [1, fx.scale], [0, -fx.titleDX], [y, y-fx.titleDY] ],
function(scale, translateX, translateY) {
this.transform('translate(' + translateX + 'px, ' + translateY + 'px) ' +
'scale3d(' + scale + ', ' + scale + ', 1)', fx.title);
}, this);
},
/** @this Polymer.AppLayout.ElementWithBackground */
tearDown: function tearDown() {
delete this._fxResizeTitle;
}
});
})();
</script><!--
@license
Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
/**
* Vertically translate the background based on a factor of the scroll position.
*/
Polymer.AppLayout.registerEffect('parallax-background', {
/**
* @param {{scalar: string}} config
* @this Polymer.AppLayout.ElementWithBackground
*/
setUp: function setUp(config) {
var fx = {};
var scalar = parseFloat(config.scalar);
fx.background = this._getDOMRef('background');
fx.backgroundFrontLayer = this._getDOMRef('backgroundFrontLayer');
fx.backgroundRearLayer = this._getDOMRef('backgroundRearLayer');
fx.deltaBg = fx.backgroundFrontLayer.offsetHeight - fx.background.offsetHeight;
if (fx.deltaBg === 0) {
if (isNaN(scalar)) {
scalar = 0.8;
}
fx.deltaBg = this._dHeight * scalar;
} else {
if (isNaN(scalar)) {
scalar = 1;
}
fx.deltaBg = fx.deltaBg * scalar;
}
this._fxParallaxBackground = fx;
},
/** @this Polymer.AppLayout.ElementWithBackground */
run: function run(p, y) {
var fx = this._fxParallaxBackground;
this.transform('translate3d(0px, ' + (fx.deltaBg * Math.min(1, p)) + 'px, 0px)', fx.backgroundFrontLayer);
if (fx.backgroundRearLayer) {
this.transform('translate3d(0px, ' + (fx.deltaBg * Math.min(1, p)) + 'px, 0px)', fx.backgroundRearLayer);
}
},
/** @this Polymer.AppLayout.ElementWithBackground */
tearDown: function tearDown() {
delete this._fxParallaxBackground;
}
});
</script><script>
/**
* Shorthand for the waterfall, resize-title, blend-background, and parallax-background effects.
*/
Polymer.AppLayout.registerEffect('material', {
/**
* @this Polymer.AppLayout.ElementWithBackground
*/
setUp: function setUp() {
this.effects = 'waterfall resize-title blend-background parallax-background';
return false;
}
});
</script><!--
@license
Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
/**
* Upon scrolling past a threshold, CSS transition the font size of a designated title element
* between two values.
*/
Polymer.AppLayout.registerEffect('resize-snapped-title', {
/**
* @this Polymer.AppLayout.ElementWithBackground
*/
setUp: function setUp(config) {
var title = this._getDOMRef('mainTitle');
var condensedTitle = this._getDOMRef('condensedTitle');
var duration = config.duration || '0.2s';
var fx = {};
if (!condensedTitle) {
console.warn('Scroll effect `resize-snapped-title`: undefined `condensed-title`');
return false;
}
if (!title) {
console.warn('Scroll effect `resize-snapped-title`: undefined `main-title`');
return false;
}
title.style.transitionProperty = 'opacity';
title.style.transitionDuration = duration;
condensedTitle.style.transitionProperty = 'opacity';
condensedTitle.style.transitionDuration = duration;
fx.condensedTitle = condensedTitle;
fx.title = title;
this._fxResizeSnappedTitle = fx;
},
/** @this Polymer.AppLayout.ElementWithBackground */
run: function run(p, y) {
var fx = this._fxResizeSnappedTitle;
if (p > 0) {
fx.title.style.opacity = 0;
fx.condensedTitle.style.opacity = 1;
} else {
fx.title.style.opacity = 1;
fx.condensedTitle.style.opacity = 0;
}
},
/** @this Polymer.AppLayout.ElementWithBackground */
tearDown: function tearDown() {
var fx = this._fxResizeSnappedTitle;
fx.title.style.transition = '';
fx.condensedTitle.style.transition = '';
delete this._fxResizeSnappedTitle;
}
});
</script><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
app-header is container element for app-toolbars at the top of the screen that can have scroll
effects. By default, an app-header moves away from the viewport when scrolling down and
if using `reveals`, the header slides back when scrolling back up. For example:
```html
<app-header reveals>
<app-toolbar>
<div main-title>App name</div>
</app-toolbar>
</app-header>
```
app-header can also condense when scrolling down. To achieve this behavior, the header
must have a larger height than the `sticky` element in the light DOM. For example:
```html
<app-header style="height: 96px;" condenses fixed>
<app-toolbar style="height: 64px;">
<div main-title>App name</div>
</app-toolbar>
</app-header>
```
In this case the header is initially `96px` tall, and it shrinks to `64px` when scrolling down.
That is what is meant by "condensing".
### Sticky element
The element that is positioned fixed to top of the header's `scrollTarget` when a threshold
is reached, similar to `position: sticky` in CSS. This element **must** be an immediate
child of app-header. By default, the `sticky` element is the first `app-toolbar that
is an immediate child of app-header.
```html
<app-header condenses>
<app-toolbar> Sticky element </app-toolbar>
</app-header>
```
#### Customizing the sticky element
```html
<app-header condenses>
<app-toolbar></app-toolbar>
<app-toolbar sticky> Sticky element </app-toolbar>
</app-header>
```
### Scroll target
The app-header's `scrollTarget` property allows to customize the scrollable element to which
the header responds when the user scrolls. By default, app-header uses the document as
the scroll target, but you can customize this property by setting the id of the element, e.g.
```html
<div id="scrollingRegion" style="overflow-y: auto;">
<app-header scroll-target="scrollingRegion">
</app-header>
</div>
```
In this case, the `scrollTarget` property points to the outer div element. Alternatively,
you can set this property programmatically:
```js
appHeader.scrollTarget = document.querySelector("#scrollingRegion");
```
## Backgrounds
app-header has two background layers that can be used for styling when the header is condensed
or when the scrollable element is scrolled to the top.
## Scroll effects
Scroll effects are _optional_ visual effects applied in app-header based on scroll position. For example,
The [Material Design scrolling techniques](https://www.google.com/design/spec/patterns/scrolling-techniques.html)
recommends effects that can be installed via the `effects` property. e.g.
```html
<app-header effects="waterfall">
<app-toolbar>App name</app-toolbar>
</app-header>
```
#### Importing the effects
To use the scroll effects, you must explicitly import them in addition to `app-header`:
```html
<link rel="import" href="/bower_components/app-layout/app-scroll-effects/app-scroll-effects.html">
```
#### List of effects
* **blend-background**
Fades in/out two background elements by applying CSS opacity based on scroll position.
You can use this effect to smoothly change the background color or image of the header.
For example, using the mixin `--app-header-background-rear-layer` lets you assign a different
background when the header is condensed:
```css
app-header {
background-color: red;
--app-header-background-rear-layer: {
/* The header is blue when condensed */
background-color: blue;
};
}
```
* **fade-background**
Upon scrolling past a threshold, this effect will trigger an opacity transition to
fade in/out the backgrounds. Compared to the `blend-background` effect,
this effect doesn't interpolate the opacity based on scroll position.
* **parallax-background**
A simple parallax effect that vertically translates the backgrounds based on a fraction
of the scroll position. For example:
```css
app-header {
--app-header-background-front-layer: {
background-image: url(...);
};
}
```
```html
<app-header style="height: 300px;" effects="parallax-background">
<app-toolbar>App name</app-toolbar>
</app-header>
```
The fraction determines how far the background moves relative to the scroll position.
This value can be assigned via the `scalar` config value and it is typically a value
between 0 and 1 inclusive. If `scalar=0`, the background doesn't move away from the header.
* **resize-title**
Progressively interpolates the size of the title from the element with the `main-title` attribute
to the element with the `condensed-title` attribute as the header condenses. For example:
```html
<app-header condenses reveals effects="resize-title">
<app-toolbar>
<h4 condensed-title>App name</h4>
</app-toolbar>
<app-toolbar>
<h1 main-title>App name</h1>
</app-toolbar>
</app-header>
```
* **resize-snapped-title**
Upon scrolling past a threshold, this effect fades in/out the titles using opacity transitions.
Similarly to `resize-title`, the `main-title` and `condensed-title` elements must be placed in the
light DOM.
* **waterfall**
Toggles the shadow property in app-header to create a sense of depth (as recommended in the
MD spec) between the header and the underneath content. You can change the shadow by
customizing the `--app-header-shadow` mixin. For example:
```css
app-header {
--app-header-shadow: {
box-shadow: inset 0px 5px 2px -3px rgba(0, 0, 0, 0.2);
};
}
```
```html
<app-header condenses reveals effects="waterfall">
<app-toolbar>
<h1 main-title>App name</h1>
</app-toolbar>
</app-header>
```
* **material**
Installs the waterfall, resize-title, blend-background and parallax-background effects.
### Content attributes
Attribute | Description | Default
----------|---------------------|----------------------------------------
`sticky` | Element that remains at the top when the header condenses. | The first app-toolbar in the light DOM.
## Styling
Mixin | Description | Default
------|-------------|----------
`--app-header-background-front-layer` | Applies to the front layer of the background. | {}
`--app-header-background-rear-layer` | Applies to the rear layer of the background. | {}
`--app-header-shadow` | Applies to the shadow. | {}
@group App Elements
@element app-header
@demo app-header/demo/blend-background-1.html Blend Background Image
@demo app-header/demo/blend-background-2.html Blend 2 Background Images
@demo app-header/demo/blend-background-3.html Blend Background Colors
@demo app-header/demo/contacts.html Contacts Demo
@demo app-header/demo/give.html Resize Snapped Title Demo
@demo app-header/demo/music.html Reveals Demo
@demo app-header/demo/no-effects.html Condenses and Reveals Demo
@demo app-header/demo/notes.html Fixed with Dynamic Shadow Demo
@demo app-header/demo/custom-sticky-element-1.html Custom Sticky Element Demo 1
@demo app-header/demo/custom-sticky-element-2.html Custom Sticky Element Demo 2
-->
<dom-module id="app-header" assetpath="bower_components/app-layout/app-header/">
<template>
<style>
:host {
position: relative;
display: block;
transition-timing-function: linear;
transition-property: -webkit-transform;
transition-property: transform;
}
:host::before {
position: absolute;
right: 0px;
bottom: -5px;
left: 0px;
width: 100%;
height: 5px;
content: "";
transition: opacity 0.4s;
pointer-events: none;
opacity: 0;
box-shadow: inset 0px 5px 6px -3px rgba(0, 0, 0, 0.4);
will-change: opacity;
@apply(--app-header-shadow);
}
:host([shadow])::before {
opacity: 1;
}
::content [main-title],
::content [condensed-title] {
-webkit-transform-origin: left top;
transform-origin: left top;
white-space: nowrap;
}
::content [condensed-title] {
opacity: 0;
}
#background {
@apply(--layout-fit);
overflow: hidden;
}
#backgroundFrontLayer,
#backgroundRearLayer {
@apply(--layout-fit);
height: 100%;
pointer-events: none;
background-size: cover;
}
#backgroundFrontLayer {
@apply(--app-header-background-front-layer);
}
#backgroundRearLayer {
opacity: 0;
@apply(--app-header-background-rear-layer);
}
#contentContainer {
position: relative;
width: 100%;
height: 100%;
}
:host([disabled]),
:host([disabled])::after,
:host([disabled]) #backgroundFrontLayer,
:host([disabled]) #backgroundRearLayer,
:host([disabled]) ::content > app-toolbar:first-of-type,
:host([disabled]) ::content > [sticky],
/* Silent scrolling should not run CSS transitions */
:host-context(.app-layout-silent-scroll),
:host-context(.app-layout-silent-scroll)::after,
:host-context(.app-layout-silent-scroll) #backgroundFrontLayer,
:host-context(.app-layout-silent-scroll) #backgroundRearLayer,
:host-context(.app-layout-silent-scroll) ::content > app-toolbar:first-of-type,
:host-context(.app-layout-silent-scroll) ::content > [sticky] {
transition: none !important;
}
</style>
<div id="contentContainer">
<content id="content"></content>
</div>
</template>
<script>
Polymer({
is: 'app-header',
behaviors: [
Polymer.AppScrollEffectsBehavior,
Polymer.IronResizableBehavior
],
properties: {
/**
* If true, the header will automatically collapse when scrolling down.
* That is, the `sticky` element remains visible when the header is fully condensed
* whereas the rest of the elements will collapse below `sticky` element.
*
* By default, the `sticky` element is the first toolbar in the light DOM:
*
*```html
* <app-header condenses>
* <app-toolbar>This toolbar remains on top</app-toolbar>
* <app-toolbar></app-toolbar>
* <app-toolbar></app-toolbar>
* </app-header>
* ```
*
* Additionally, you can specify which toolbar or element remains visible in condensed mode
* by adding the `sticky` attribute to that element. For example: if we want the last
* toolbar to remain visible, we can add the `sticky` attribute to it.
*
*```html
* <app-header condenses>
* <app-toolbar></app-toolbar>
* <app-toolbar></app-toolbar>
* <app-toolbar sticky>This toolbar remains on top</app-toolbar>
* </app-header>
* ```
*
* Note the `sticky` element must be a direct child of `app-header`.
*/
condenses: {
type: Boolean,
value: false
},
/**
* Mantains the header fixed at the top so it never moves away.
*/
fixed: {
type: Boolean,
value: false
},
/**
* Slides back the header when scrolling back up.
*/
reveals: {
type: Boolean,
value: false
},
/**
* Displays a shadow below the header.
*/
shadow: {
type: Boolean,
reflectToAttribute: true,
value: false
}
},
observers: [
'resetLayout(isAttached, condenses, fixed)'
],
listeners: {
'iron-resize': '_resizeHandler'
},
/**
* A cached offsetHeight of the current element.
*
* @type {number}
*/
_height: 0,
/**
* The distance in pixels the header will be translated to when scrolling.
*
* @type {number}
*/
_dHeight: 0,
/**
* The offsetTop of `_stickyEl`
*
* @type {number}
*/
_stickyElTop: 0,
/**
* The element that remains visible when the header condenses.
*
* @type {HTMLElement}
*/
_stickyEl: null,
/**
* The header's top value used for the `transformY`
*
* @type {number}
*/
_top: 0,
/**
* The current scroll progress.
*
* @type {number}
*/
_progress: 0,
_wasScrollingDown: false,
_initScrollTop: 0,
_initTimestamp: 0,
_lastTimestamp: 0,
_lastScrollTop: 0,
/**
* The distance the header is allowed to move away.
*
* @type {number}
*/
get _maxHeaderTop() {
return this.fixed ? this._dHeight : this._height + 5;
},
/**
* Returns a reference to the sticky element.
*
* @return {HTMLElement}?
*/
_getStickyEl: function() {
/** @type {HTMLElement} */
var stickyEl;
var nodes = Polymer.dom(this.$.content).getDistributedNodes();
for (var i = 0; i < nodes.length; i++) {
if (nodes[i].nodeType === Node.ELEMENT_NODE) {
var node = /** @type {HTMLElement} */ (nodes[i]);
if (node.hasAttribute('sticky')) {
stickyEl = node;
break;
} else if (!stickyEl) {
stickyEl = node;
}
}
}
return stickyEl;
},
/**
* Resets the layout. If you changed the size of app-header via CSS
* you can notify the changes by either firing the `iron-resize` event
* or calling `resetLayout` directly.
*
* @method resetLayout
*/
resetLayout: function() {
this.debounce('_resetLayout', function() {
// noop if the header isn't visible
if (this.offsetWidth === 0 && this.offsetHeight === 0) {
return;
}
var scrollTop = this._clampedScrollTop;
var firstSetup = this._height === 0 || scrollTop === 0;
var currentDisabled = this.disabled;
this._height = this.offsetHeight;
this._stickyEl = this._getStickyEl();
this.disabled = true;
// prepare for measurement
if (!firstSetup) {
this._updateScrollState(0, true);
}
if (this._mayMove()) {
this._dHeight = this._stickyEl ? this._height - this._stickyEl.offsetHeight : 0;
} else {
this._dHeight = 0;
}
this._stickyElTop = this._stickyEl ? this._stickyEl.offsetTop : 0;
this._setUpEffect();
if (firstSetup) {
this._updateScrollState(scrollTop, true);
} else {
this._updateScrollState(this._lastScrollTop, true);
this._layoutIfDirty();
}
// restore no transition
this.disabled = currentDisabled;
this.fire('app-header-reset-layout');
});
},
/**
* Updates the scroll state.
*
* @param {number} scrollTop
* @param {boolean=} forceUpdate (default: false)
*/
_updateScrollState: function(scrollTop, forceUpdate) {
if (this._height === 0) {
return;
}
var progress = 0;
var top = 0;
var lastTop = this._top;
var lastScrollTop = this._lastScrollTop;
var maxHeaderTop = this._maxHeaderTop;
var dScrollTop = scrollTop - this._lastScrollTop;
var absDScrollTop = Math.abs(dScrollTop);
var isScrollingDown = scrollTop > this._lastScrollTop;
var now = performance.now();
if (this._mayMove()) {
top = this._clamp(this.reveals ? lastTop + dScrollTop : scrollTop, 0, maxHeaderTop);
}
if (scrollTop >= this._dHeight) {
top = this.condenses && !this.fixed ? Math.max(this._dHeight, top) : top;
this.style.transitionDuration = '0ms';
}
if (this.reveals && !this.disabled && absDScrollTop < 100) {
// set the initial scroll position
if (now - this._initTimestamp > 300 || this._wasScrollingDown !== isScrollingDown) {
this._initScrollTop = scrollTop;
this._initTimestamp = now;
}
if (scrollTop >= maxHeaderTop) {
// check if the header is allowed to snap
if (Math.abs(this._initScrollTop - scrollTop) > 30 || absDScrollTop > 10) {
if (isScrollingDown && scrollTop >= maxHeaderTop) {
top = maxHeaderTop;
} else if (!isScrollingDown && scrollTop >= this._dHeight) {
top = this.condenses && !this.fixed ? this._dHeight : 0;
}
var scrollVelocity = dScrollTop / (now - this._lastTimestamp);
this.style.transitionDuration = this._clamp((top - lastTop) / scrollVelocity, 0, 300) + 'ms';
} else {
top = this._top;
}
}
}
if (this._dHeight === 0) {
progress = scrollTop > 0 ? 1 : 0;
} else {
progress = top / this._dHeight;
}
if (!forceUpdate) {
this._lastScrollTop = scrollTop;
this._top = top;
this._wasScrollingDown = isScrollingDown;
this._lastTimestamp = now;
}
if (forceUpdate || progress !== this._progress || lastTop !== top || scrollTop === 0) {
this._progress = progress;
this._runEffects(progress, top);
this._transformHeader(top);
}
},
/**
* Returns true if the current header is allowed to move as the user scrolls.
*
* @return {boolean}
*/
_mayMove: function() {
return this.condenses || !this.fixed;
},
/**
* Returns true if the current header will condense based on the size of the header
* and the `consenses` property.
*
* @return {boolean}
*/
willCondense: function() {
return this._dHeight > 0 && this.condenses;
},
/**
* Returns true if the current element is on the screen.
* That is, visible in the current viewport.
*
* @method isOnScreen
* @return {boolean}
*/
isOnScreen: function() {
return this._height !== 0 && this._top < this._height;
},
/**
* Returns true if there's content below the current element.
*
* @method isContentBelow
* @return {boolean}
*/
isContentBelow: function() {
if (this._top === 0) {
return this._clampedScrollTop > 0;
}
return this._clampedScrollTop - this._maxHeaderTop >= 0;
},
/**
* Transforms the header.
*
* @param {number} y
*/
_transformHeader: function(y) {
this.translate3d(0, (-y) + 'px', 0);
if (this._stickyEl) {
this.translate3d(0, this.condenses && y >= this._stickyElTop ?
(Math.min(y, this._dHeight) - this._stickyElTop) + 'px' : 0, 0, this._stickyEl);
}
},
_resizeHandler: function() {
this.resetLayout();
},
_clamp: function(v, min, max) {
return Math.min(max, Math.max(min, v));
},
_ensureBgContainers: function() {
if (!this._bgContainer) {
this._bgContainer = document.createElement('div');
this._bgContainer.id = 'background';
this._bgRear = document.createElement('div');
this._bgRear.id = 'backgroundRearLayer';
this._bgContainer.appendChild(this._bgRear);
this._bgFront = document.createElement('div');
this._bgFront.id = 'backgroundFrontLayer';
this._bgContainer.appendChild(this._bgFront);
Polymer.dom(this.root).insertBefore(this._bgContainer, this.$.contentContainer);
}
},
_getDOMRef: function(id) {
switch (id) {
case 'backgroundFrontLayer':
this._ensureBgContainers();
return this._bgFront;
case 'backgroundRearLayer':
this._ensureBgContainers();
return this._bgRear;
case 'background':
this._ensureBgContainers();
return this._bgContainer;
case 'mainTitle':
return Polymer.dom(this).querySelector('[main-title]');
case 'condensedTitle':
return Polymer.dom(this).querySelector('[condensed-title]');
}
return null;
},
/**
* Returns an object containing the progress value of the scroll effects
* and the top position of the header.
*
* @method getScrollState
* @return {Object}
*/
getScrollState: function() {
return { progress: this._progress, top: this._top };
}
/**
* Fires when the layout of `app-header` changed.
*
* @event app-header-reset-layout
*/
});
</script>
</dom-module>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
app-header-layout is a wrapper element that positions an app-header and other content. This
element uses the document scroll by default, but it can also define its own scrolling region.
Using the document scroll:
```html
<app-header-layout>
<app-header fixed condenses effects="waterfall">
<app-toolbar>
<div main-title>App name</div>
</app-toolbar>
</app-header>
<div>
main content
</div>
</app-header-layout>
```
Using an own scrolling region:
```html
<app-header-layout has-scrolling-region style="width: 300px; height: 400px;">
<app-header fixed condenses effects="waterfall">
<app-toolbar>
<div main-title>App name</div>
</app-toolbar>
</app-header>
<div>
main content
</div>
</app-header-layout>
```
Add the `fullbleed` attribute to app-header-layout to make it fit the size of its container:
```html
<app-header-layout fullbleed>
...
</app-header-layout>
```
@group App Elements
@element app-header-layout
@demo app-header-layout/demo/simple.html Simple Demo
@demo app-header-layout/demo/scrolling-region.html Scrolling Region
@demo app-header-layout/demo/music.html Music Demo
@demo app-header-layout/demo/footer.html Footer Demo
-->
<dom-module id="app-header-layout" assetpath="bower_components/app-layout/app-header-layout/">
<template>
<style>
:host {
display: block;
/**
* Force app-header-layout to have its own stacking context so that its parent can
* control the stacking of it relative to other elements (e.g. app-drawer-layout).
* This could be done using `isolation: isolate`, but that's not well supported
* across browsers.
*/
position: relative;
z-index: 0;
}
:host > ::content > app-header {
@apply(--layout-fixed-top);
z-index: 1;
}
:host([has-scrolling-region]) {
height: 100%;
}
:host([has-scrolling-region]) > ::content > app-header {
position: absolute;
}
:host([has-scrolling-region]) > #contentContainer {
@apply(--layout-fit);
overflow-y: auto;
-webkit-overflow-scrolling: touch;
}
:host([fullbleed]) {
@apply(--layout-vertical);
@apply(--layout-fit);
}
:host([fullbleed]) > #contentContainer {
@apply(--layout-vertical);
@apply(--layout-flex);
}
#contentContainer {
/* Create a stacking context here so that all children appear below the header. */
position: relative;
z-index: 0;
}
</style>
<content id="header" select="app-header"></content>
<div id="contentContainer">
<content></content>
</div>
</template>
<script>
Polymer({
is: 'app-header-layout',
behaviors: [
Polymer.IronResizableBehavior
],
properties: {
/**
* If true, the current element will have its own scrolling region.
* Otherwise, it will use the document scroll to control the header.
*/
hasScrollingRegion: {
type: Boolean,
value: false,
reflectToAttribute: true
}
},
listeners: {
'iron-resize': '_resizeHandler',
'app-header-reset-layout': '_resetLayoutHandler'
},
observers: [
'resetLayout(isAttached, hasScrollingRegion)'
],
/**
* A reference to the app-header element.
*
* @property header
*/
get header() {
return Polymer.dom(this.$.header).getDistributedNodes()[0];
},
/**
* Resets the layout. This method is automatically called when the element is attached
* to the DOM.
*
* @method resetLayout
*/
resetLayout: function() {
this._updateScroller();
this.debounce('_resetLayout', this._updateContentPosition);
},
_updateContentPosition: function() {
var header = this.header;
if (!this.isAttached || !header) {
return;
}
// Get header height here so that style reads are batched together before style writes
// (i.e. getBoundingClientRect() below).
var headerHeight = header.offsetHeight;
// Update the header position.
if (!this.hasScrollingRegion) {
var rect = this.getBoundingClientRect();
var rightOffset = document.documentElement.clientWidth - rect.right;
header.style.left = rect.left + 'px';
header.style.right = rightOffset + 'px';
} else {
header.style.left = '';
header.style.right = '';
}
// Update the content container position.
var containerStyle = this.$.contentContainer.style;
if (header.fixed && !header.willCondense() && this.hasScrollingRegion) {
// If the header size does not change and we're using a scrolling region, exclude
// the header area from the scrolling region so that the header doesn't overlap
// the scrollbar.
containerStyle.marginTop = headerHeight + 'px';
containerStyle.paddingTop = '';
} else {
containerStyle.paddingTop = headerHeight + 'px';
containerStyle.marginTop = '';
}
},
_updateScroller: function() {
if (!this.isAttached) {
return;
}
var header = this.header;
if (header) {
header.scrollTarget = this.hasScrollingRegion ?
this.$.contentContainer : this.ownerDocument.documentElement;
}
},
_resizeHandler: function() {
this.resetLayout();
},
_resetLayoutHandler: function(e) {
this.resetLayout();
e.stopPropagation();
}
});
</script>
</dom-module>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
app-toolbar is a horizontal toolbar containing items that can be used for
label, navigation, search and actions.
### Example
Add a title to the toolbar.
```html
<app-toolbar>
<div main-title>App name</div>
</app-toolbar>
```
Add a button to the left and right side of the toolbar.
```html
<app-toolbar>
<paper-icon-button icon="menu"></paper-icon-button>
<div main-title>App name</div>
<paper-icon-button icon="search"></paper-icon-button>
</app-toolbar>
```
You can use the attributes `top-item` or `bottom-item` to completely fit an element
to the top or bottom of the toolbar respectively.
### Content attributes
Attribute | Description
---------------------|---------------------------------------------------------
`main-title` | The main title element.
`condensed-title` | The title element if used inside a condensed app-header.
`spacer` | Adds a left margin of `64px`.
`bottom-item` | Sticks the element to the bottom of the toolbar.
`top-item` | Sticks the element to the top of the toolbar.
### Styling
Custom property | Description | Default
-----------------------------|------------------------------|-----------------------
`--app-toolbar-font-size` | Toolbar font size | 20px
@group App Elements
@element app-toolbar
@demo app-toolbar/demo/index.html
-->
<dom-module id="app-toolbar" assetpath="bower_components/app-layout/app-toolbar/">
<template>
<style>
:host {
@apply(--layout-horizontal);
@apply(--layout-center);
position: relative;
height: 64px;
padding: 0 16px;
pointer-events: none;
font-size: var(--app-toolbar-font-size, 20px);
}
::content > * {
pointer-events: auto;
}
::content > paper-icon-button {
/* paper-icon-button/issues/33 */
font-size: 0;
}
::content > [main-title],
::content > [condensed-title] {
pointer-events: none;
@apply(--layout-flex);
}
::content > [bottom-item] {
position: absolute;
right: 0;
bottom: 0;
left: 0;
}
::content > [top-item] {
position: absolute;
top: 0;
right: 0;
left: 0;
}
::content > [spacer] {
margin-left: 64px;
}
</style>
<content></content>
</template>
<script>
Polymer({
is: 'app-toolbar'
});
</script>
</dom-module>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
`iron-pages` is used to select one of its children to show. One use is to cycle through a list of
children "pages".
Example:
<iron-pages selected="0">
<div>One</div>
<div>Two</div>
<div>Three</div>
</iron-pages>
<script>
document.addEventListener('click', function(e) {
var pages = document.querySelector('iron-pages');
pages.selectNext();
});
</script>
@group Iron Elements
@hero hero.svg
@demo demo/index.html
-->
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
/**
* @param {!Function} selectCallback
* @constructor
*/
Polymer.IronSelection = function(selectCallback) {
this.selection = [];
this.selectCallback = selectCallback;
};
Polymer.IronSelection.prototype = {
/**
* Retrieves the selected item(s).
*
* @method get
* @returns Returns the selected item(s). If the multi property is true,
* `get` will return an array, otherwise it will return
* the selected item or undefined if there is no selection.
*/
get: function() {
return this.multi ? this.selection.slice() : this.selection[0];
},
/**
* Clears all the selection except the ones indicated.
*
* @method clear
* @param {Array} excludes items to be excluded.
*/
clear: function(excludes) {
this.selection.slice().forEach(function(item) {
if (!excludes || excludes.indexOf(item) < 0) {
this.setItemSelected(item, false);
}
}, this);
},
/**
* Indicates if a given item is selected.
*
* @method isSelected
* @param {*} item The item whose selection state should be checked.
* @returns Returns true if `item` is selected.
*/
isSelected: function(item) {
return this.selection.indexOf(item) >= 0;
},
/**
* Sets the selection state for a given item to either selected or deselected.
*
* @method setItemSelected
* @param {*} item The item to select.
* @param {boolean} isSelected True for selected, false for deselected.
*/
setItemSelected: function(item, isSelected) {
if (item != null) {
if (isSelected !== this.isSelected(item)) {
// proceed to update selection only if requested state differs from current
if (isSelected) {
this.selection.push(item);
} else {
var i = this.selection.indexOf(item);
if (i >= 0) {
this.selection.splice(i, 1);
}
}
if (this.selectCallback) {
this.selectCallback(item, isSelected);
}
}
}
},
/**
* Sets the selection state for a given item. If the `multi` property
* is true, then the selected state of `item` will be toggled; otherwise
* the `item` will be selected.
*
* @method select
* @param {*} item The item to select.
*/
select: function(item) {
if (this.multi) {
this.toggle(item);
} else if (this.get() !== item) {
this.setItemSelected(this.get(), false);
this.setItemSelected(item, true);
}
},
/**
* Toggles the selection state for `item`.
*
* @method toggle
* @param {*} item The item to toggle.
*/
toggle: function(item) {
this.setItemSelected(item, !this.isSelected(item));
}
};
</script><script>
/** @polymerBehavior */
Polymer.IronSelectableBehavior = {
/**
* Fired when iron-selector is activated (selected or deselected).
* It is fired before the selected items are changed.
* Cancel the event to abort selection.
*
* @event iron-activate
*/
/**
* Fired when an item is selected
*
* @event iron-select
*/
/**
* Fired when an item is deselected
*
* @event iron-deselect
*/
/**
* Fired when the list of selectable items changes (e.g., items are
* added or removed). The detail of the event is a mutation record that
* describes what changed.
*
* @event iron-items-changed
*/
properties: {
/**
* If you want to use an attribute value or property of an element for
* `selected` instead of the index, set this to the name of the attribute
* or property. Hyphenated values are converted to camel case when used to
* look up the property of a selectable element. Camel cased values are
* *not* converted to hyphenated values for attribute lookup. It's
* recommended that you provide the hyphenated form of the name so that
* selection works in both cases. (Use `attr-or-property-name` instead of
* `attrOrPropertyName`.)
*/
attrForSelected: {
type: String,
value: null
},
/**
* Gets or sets the selected element. The default is to use the index of the item.
* @type {string|number}
*/
selected: {
type: String,
notify: true
},
/**
* Returns the currently selected item.
*
* @type {?Object}
*/
selectedItem: {
type: Object,
readOnly: true,
notify: true
},
/**
* The event that fires from items when they are selected. Selectable
* will listen for this event from items and update the selection state.
* Set to empty string to listen to no events.
*/
activateEvent: {
type: String,
value: 'tap',
observer: '_activateEventChanged'
},
/**
* This is a CSS selector string. If this is set, only items that match the CSS selector
* are selectable.
*/
selectable: String,
/**
* The class to set on elements when selected.
*/
selectedClass: {
type: String,
value: 'iron-selected'
},
/**
* The attribute to set on elements when selected.
*/
selectedAttribute: {
type: String,
value: null
},
/**
* Default fallback if the selection based on selected with `attrForSelected`
* is not found.
*/
fallbackSelection: {
type: String,
value: null
},
/**
* The list of items from which a selection can be made.
*/
items: {
type: Array,
readOnly: true,
notify: true,
value: function() {
return [];
}
},
/**
* The set of excluded elements where the key is the `localName`
* of the element that will be ignored from the item list.
*
* @default {template: 1}
*/
_excludedLocalNames: {
type: Object,
value: function() {
return {
'template': 1
};
}
}
},
observers: [
'_updateAttrForSelected(attrForSelected)',
'_updateSelected(selected)',
'_checkFallback(fallbackSelection)'
],
created: function() {
this._bindFilterItem = this._filterItem.bind(this);
this._selection = new Polymer.IronSelection(this._applySelection.bind(this));
},
attached: function() {
this._observer = this._observeItems(this);
this._updateItems();
if (!this._shouldUpdateSelection) {
this._updateSelected();
}
this._addListener(this.activateEvent);
},
detached: function() {
if (this._observer) {
Polymer.dom(this).unobserveNodes(this._observer);
}
this._removeListener(this.activateEvent);
},
/**
* Returns the index of the given item.
*
* @method indexOf
* @param {Object} item
* @returns Returns the index of the item
*/
indexOf: function(item) {
return this.items.indexOf(item);
},
/**
* Selects the given value.
*
* @method select
* @param {string|number} value the value to select.
*/
select: function(value) {
this.selected = value;
},
/**
* Selects the previous item.
*
* @method selectPrevious
*/
selectPrevious: function() {
var length = this.items.length;
var index = (Number(this._valueToIndex(this.selected)) - 1 + length) % length;
this.selected = this._indexToValue(index);
},
/**
* Selects the next item.
*
* @method selectNext
*/
selectNext: function() {
var index = (Number(this._valueToIndex(this.selected)) + 1) % this.items.length;
this.selected = this._indexToValue(index);
},
/**
* Selects the item at the given index.
*
* @method selectIndex
*/
selectIndex: function(index) {
this.select(this._indexToValue(index));
},
/**
* Force a synchronous update of the `items` property.
*
* NOTE: Consider listening for the `iron-items-changed` event to respond to
* updates to the set of selectable items after updates to the DOM list and
* selection state have been made.
*
* WARNING: If you are using this method, you should probably consider an
* alternate approach. Synchronously querying for items is potentially
* slow for many use cases. The `items` property will update asynchronously
* on its own to reflect selectable items in the DOM.
*/
forceSynchronousItemUpdate: function() {
this._updateItems();
},
get _shouldUpdateSelection() {
return this.selected != null;
},
_checkFallback: function() {
if (this._shouldUpdateSelection) {
this._updateSelected();
}
},
_addListener: function(eventName) {
this.listen(this, eventName, '_activateHandler');
},
_removeListener: function(eventName) {
this.unlisten(this, eventName, '_activateHandler');
},
_activateEventChanged: function(eventName, old) {
this._removeListener(old);
this._addListener(eventName);
},
_updateItems: function() {
var nodes = Polymer.dom(this).queryDistributedElements(this.selectable || '*');
nodes = Array.prototype.filter.call(nodes, this._bindFilterItem);
this._setItems(nodes);
},
_updateAttrForSelected: function() {
if (this._shouldUpdateSelection) {
this.selected = this._indexToValue(this.indexOf(this.selectedItem));
}
},
_updateSelected: function() {
this._selectSelected(this.selected);
},
_selectSelected: function(selected) {
this._selection.select(this._valueToItem(this.selected));
// Check for items, since this array is populated only when attached
// Since Number(0) is falsy, explicitly check for undefined
if (this.fallbackSelection && this.items.length && (this._selection.get() === undefined)) {
this.selected = this.fallbackSelection;
}
},
_filterItem: function(node) {
return !this._excludedLocalNames[node.localName];
},
_valueToItem: function(value) {
return (value == null) ? null : this.items[this._valueToIndex(value)];
},
_valueToIndex: function(value) {
if (this.attrForSelected) {
for (var i = 0, item; item = this.items[i]; i++) {
if (this._valueForItem(item) == value) {
return i;
}
}
} else {
return Number(value);
}
},
_indexToValue: function(index) {
if (this.attrForSelected) {
var item = this.items[index];
if (item) {
return this._valueForItem(item);
}
} else {
return index;
}
},
_valueForItem: function(item) {
var propValue = item[Polymer.CaseMap.dashToCamelCase(this.attrForSelected)];
return propValue != undefined ? propValue : item.getAttribute(this.attrForSelected);
},
_applySelection: function(item, isSelected) {
if (this.selectedClass) {
this.toggleClass(this.selectedClass, isSelected, item);
}
if (this.selectedAttribute) {
this.toggleAttribute(this.selectedAttribute, isSelected, item);
}
this._selectionChange();
this.fire('iron-' + (isSelected ? 'select' : 'deselect'), {item: item});
},
_selectionChange: function() {
this._setSelectedItem(this._selection.get());
},
// observe items change under the given node.
_observeItems: function(node) {
return Polymer.dom(node).observeNodes(function(mutation) {
this._updateItems();
if (this._shouldUpdateSelection) {
this._updateSelected();
}
// Let other interested parties know about the change so that
// we don't have to recreate mutation observers everywhere.
this.fire('iron-items-changed', mutation, {
bubbles: false,
cancelable: false
});
});
},
_activateHandler: function(e) {
var t = e.target;
var items = this.items;
while (t && t != this) {
var i = items.indexOf(t);
if (i >= 0) {
var value = this._indexToValue(i);
this._itemActivate(value, t);
return;
}
t = t.parentNode;
}
},
_itemActivate: function(value, item) {
if (!this.fire('iron-activate',
{selected: value, item: item}, {cancelable: true}).defaultPrevented) {
this.select(value);
}
}
};
</script><dom-module id="iron-pages" assetpath="bower_components/iron-pages/">
<template>
<style>
:host {
display: block;
}
:host > ::content > :not(.iron-selected) {
display: none !important;
}
</style>
<content></content>
</template>
<script>
Polymer({
is: 'iron-pages',
behaviors: [
Polymer.IronResizableBehavior,
Polymer.IronSelectableBehavior
],
properties: {
// as the selected page is the only one visible, activateEvent
// is both non-sensical and problematic; e.g. in cases where a user
// handler attempts to change the page and the activateEvent
// handler immediately changes it back
activateEvent: {
type: String,
value: null
}
},
observers: [
'_selectedPageChanged(selected)'
],
_selectedPageChanged: function(selected, old) {
this.async(this.notifyResize);
}
});
</script>
</dom-module>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
Material design: [Menus](https://www.google.com/design/spec/components/menus.html)
`<paper-menu>` implements an accessible menu control with Material Design styling. The focused item
is highlighted, and the selected item has bolded text.
<paper-menu>
<paper-item>Item 1</paper-item>
<paper-item>Item 2</paper-item>
</paper-menu>
An initial selection can be specified with the `selected` attribute.
<paper-menu selected="0">
<paper-item>Item 1</paper-item>
<paper-item>Item 2</paper-item>
</paper-menu>
Make a multi-select menu with the `multi` attribute. Items in a multi-select menu can be deselected,
and multiple items can be selected.
<paper-menu multi>
<paper-item>Item 1</paper-item>
<paper-item>Item 2</paper-item>
</paper-menu>
### Styling
The following custom properties and mixins are available for styling:
Custom property | Description | Default
----------------|-------------|----------
`--paper-menu-background-color` | Menu background color | `--primary-background-color`
`--paper-menu-color` | Menu foreground color | `--primary-text-color`
`--paper-menu-disabled-color` | Foreground color for a disabled item | `--disabled-text-color`
`--paper-menu` | Mixin applied to the menu | `{}`
`--paper-menu-selected-item` | Mixin applied to the selected item | `{}`
`--paper-menu-focused-item` | Mixin applied to the focused item | `{}`
`--paper-menu-focused-item-after` | Mixin applied to the ::after pseudo-element for the focused item | `{}`
### Accessibility
`<paper-menu>` has `role="menu"` by default. A multi-select menu will also have
`aria-multiselectable` set. It implements key bindings to navigate through the menu with the up and
down arrow keys, esc to exit the menu, and enter to activate a menu item. Typing the first letter
of a menu item will also focus it.
@group Paper Elements
@element paper-menu
@hero hero.svg
@demo demo/index.html
-->
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
/** @polymerBehavior Polymer.IronMultiSelectableBehavior */
Polymer.IronMultiSelectableBehaviorImpl = {
properties: {
/**
* If true, multiple selections are allowed.
*/
multi: {
type: Boolean,
value: false,
observer: 'multiChanged'
},
/**
* Gets or sets the selected elements. This is used instead of `selected` when `multi`
* is true.
*/
selectedValues: {
type: Array,
notify: true
},
/**
* Returns an array of currently selected items.
*/
selectedItems: {
type: Array,
readOnly: true,
notify: true
},
},
observers: [
'_updateSelected(selectedValues.splices)'
],
/**
* Selects the given value. If the `multi` property is true, then the selected state of the
* `value` will be toggled; otherwise the `value` will be selected.
*
* @method select
* @param {string|number} value the value to select.
*/
select: function(value) {
if (this.multi) {
if (this.selectedValues) {
this._toggleSelected(value);
} else {
this.selectedValues = [value];
}
} else {
this.selected = value;
}
},
multiChanged: function(multi) {
this._selection.multi = multi;
},
get _shouldUpdateSelection() {
return this.selected != null ||
(this.selectedValues != null && this.selectedValues.length);
},
_updateAttrForSelected: function() {
if (!this.multi) {
Polymer.IronSelectableBehavior._updateAttrForSelected.apply(this);
} else if (this._shouldUpdateSelection) {
this.selectedValues = this.selectedItems.map(function(selectedItem) {
return this._indexToValue(this.indexOf(selectedItem));
}, this).filter(function(unfilteredValue) {
return unfilteredValue != null;
}, this);
}
},
_updateSelected: function() {
if (this.multi) {
this._selectMulti(this.selectedValues);
} else {
this._selectSelected(this.selected);
}
},
_selectMulti: function(values) {
if (values) {
var selectedItems = this._valuesToItems(values);
// clear all but the current selected items
this._selection.clear(selectedItems);
// select only those not selected yet
for (var i = 0; i < selectedItems.length; i++) {
this._selection.setItemSelected(selectedItems[i], true);
}
// Check for items, since this array is populated only when attached
if (this.fallbackSelection && this.items.length && !this._selection.get().length) {
var fallback = this._valueToItem(this.fallbackSelection);
if (fallback) {
this.selectedValues = [this.fallbackSelection];
}
}
} else {
this._selection.clear();
}
},
_selectionChange: function() {
var s = this._selection.get();
if (this.multi) {
this._setSelectedItems(s);
} else {
this._setSelectedItems([s]);
this._setSelectedItem(s);
}
},
_toggleSelected: function(value) {
var i = this.selectedValues.indexOf(value);
var unselected = i < 0;
if (unselected) {
this.push('selectedValues',value);
} else {
this.splice('selectedValues',i,1);
}
},
_valuesToItems: function(values) {
return (values == null) ? null : values.map(function(value) {
return this._valueToItem(value);
}, this);
}
};
/** @polymerBehavior */
Polymer.IronMultiSelectableBehavior = [
Polymer.IronSelectableBehavior,
Polymer.IronMultiSelectableBehaviorImpl
];
</script><script>
/**
* `Polymer.IronMenuBehavior` implements accessible menu behavior.
*
* @demo demo/index.html
* @polymerBehavior Polymer.IronMenuBehavior
*/
Polymer.IronMenuBehaviorImpl = {
properties: {
/**
* Returns the currently focused item.
* @type {?Object}
*/
focusedItem: {
observer: '_focusedItemChanged',
readOnly: true,
type: Object
},
/**
* The attribute to use on menu items to look up the item title. Typing the first
* letter of an item when the menu is open focuses that item. If unset, `textContent`
* will be used.
*/
attrForItemTitle: {
type: String
}
},
_SEARCH_RESET_TIMEOUT_MS: 1000,
hostAttributes: {
'role': 'menu',
'tabindex': '0'
},
observers: [
'_updateMultiselectable(multi)'
],
listeners: {
'focus': '_onFocus',
'keydown': '_onKeydown',
'iron-items-changed': '_onIronItemsChanged'
},
keyBindings: {
'up': '_onUpKey',
'down': '_onDownKey',
'esc': '_onEscKey',
'shift+tab:keydown': '_onShiftTabDown'
},
attached: function() {
this._resetTabindices();
},
/**
* Selects the given value. If the `multi` property is true, then the selected state of the
* `value` will be toggled; otherwise the `value` will be selected.
*
* @param {string|number} value the value to select.
*/
select: function(value) {
// Cancel automatically focusing a default item if the menu received focus
// through a user action selecting a particular item.
if (this._defaultFocusAsync) {
this.cancelAsync(this._defaultFocusAsync);
this._defaultFocusAsync = null;
}
var item = this._valueToItem(value);
if (item && item.hasAttribute('disabled')) return;
this._setFocusedItem(item);
Polymer.IronMultiSelectableBehaviorImpl.select.apply(this, arguments);
},
/**
* Resets all tabindex attributes to the appropriate value based on the
* current selection state. The appropriate value is `0` (focusable) for
* the default selected item, and `-1` (not keyboard focusable) for all
* other items.
*/
_resetTabindices: function() {
var selectedItem = this.multi ? (this.selectedItems && this.selectedItems[0]) : this.selectedItem;
this.items.forEach(function(item) {
item.setAttribute('tabindex', item === selectedItem ? '0' : '-1');
}, this);
},
/**
* Sets appropriate ARIA based on whether or not the menu is meant to be
* multi-selectable.
*
* @param {boolean} multi True if the menu should be multi-selectable.
*/
_updateMultiselectable: function(multi) {
if (multi) {
this.setAttribute('aria-multiselectable', 'true');
} else {
this.removeAttribute('aria-multiselectable');
}
},
/**
* Given a KeyboardEvent, this method will focus the appropriate item in the
* menu (if there is a relevant item, and it is possible to focus it).
*
* @param {KeyboardEvent} event A KeyboardEvent.
*/
_focusWithKeyboardEvent: function(event) {
this.cancelDebouncer('_clearSearchText');
var searchText = this._searchText || '';
var key = event.key && event.key.length == 1 ? event.key :
String.fromCharCode(event.keyCode);
searchText += key.toLocaleLowerCase();
var searchLength = searchText.length;
for (var i = 0, item; item = this.items[i]; i++) {
if (item.hasAttribute('disabled')) {
continue;
}
var attr = this.attrForItemTitle || 'textContent';
var title = (item[attr] || item.getAttribute(attr) || '').trim();
if (title.length < searchLength) {
continue;
}
if (title.slice(0, searchLength).toLocaleLowerCase() == searchText) {
this._setFocusedItem(item);
break;
}
}
this._searchText = searchText;
this.debounce('_clearSearchText', this._clearSearchText,
this._SEARCH_RESET_TIMEOUT_MS);
},
_clearSearchText: function() {
this._searchText = '';
},
/**
* Focuses the previous item (relative to the currently focused item) in the
* menu, disabled items will be skipped.
* Loop until length + 1 to handle case of single item in menu.
*/
_focusPrevious: function() {
var length = this.items.length;
var curFocusIndex = Number(this.indexOf(this.focusedItem));
for (var i = 1; i < length + 1; i++) {
var item = this.items[(curFocusIndex - i + length) % length];
if (!item.hasAttribute('disabled')) {
var owner = Polymer.dom(item).getOwnerRoot() || document;
this._setFocusedItem(item);
// Focus might not have worked, if the element was hidden or not
// focusable. In that case, try again.
if (Polymer.dom(owner).activeElement == item) {
return;
}
}
}
},
/**
* Focuses the next item (relative to the currently focused item) in the
* menu, disabled items will be skipped.
* Loop until length + 1 to handle case of single item in menu.
*/
_focusNext: function() {
var length = this.items.length;
var curFocusIndex = Number(this.indexOf(this.focusedItem));
for (var i = 1; i < length + 1; i++) {
var item = this.items[(curFocusIndex + i) % length];
if (!item.hasAttribute('disabled')) {
var owner = Polymer.dom(item).getOwnerRoot() || document;
this._setFocusedItem(item);
// Focus might not have worked, if the element was hidden or not
// focusable. In that case, try again.
if (Polymer.dom(owner).activeElement == item) {
return;
}
}
}
},
/**
* Mutates items in the menu based on provided selection details, so that
* all items correctly reflect selection state.
*
* @param {Element} item An item in the menu.
* @param {boolean} isSelected True if the item should be shown in a
* selected state, otherwise false.
*/
_applySelection: function(item, isSelected) {
if (isSelected) {
item.setAttribute('aria-selected', 'true');
} else {
item.removeAttribute('aria-selected');
}
Polymer.IronSelectableBehavior._applySelection.apply(this, arguments);
},
/**
* Discretely updates tabindex values among menu items as the focused item
* changes.
*
* @param {Element} focusedItem The element that is currently focused.
* @param {?Element} old The last element that was considered focused, if
* applicable.
*/
_focusedItemChanged: function(focusedItem, old) {
old && old.setAttribute('tabindex', '-1');
if (focusedItem) {
focusedItem.setAttribute('tabindex', '0');
focusedItem.focus();
}
},
/**
* A handler that responds to mutation changes related to the list of items
* in the menu.
*
* @param {CustomEvent} event An event containing mutation records as its
* detail.
*/
_onIronItemsChanged: function(event) {
if (event.detail.addedNodes.length) {
this._resetTabindices();
}
},
/**
* Handler that is called when a shift+tab keypress is detected by the menu.
*
* @param {CustomEvent} event A key combination event.
*/
_onShiftTabDown: function(event) {
var oldTabIndex = this.getAttribute('tabindex');
Polymer.IronMenuBehaviorImpl._shiftTabPressed = true;
this._setFocusedItem(null);
this.setAttribute('tabindex', '-1');
this.async(function() {
this.setAttribute('tabindex', oldTabIndex);
Polymer.IronMenuBehaviorImpl._shiftTabPressed = false;
// NOTE(cdata): polymer/polymer#1305
}, 1);
},
/**
* Handler that is called when the menu receives focus.
*
* @param {FocusEvent} event A focus event.
*/
_onFocus: function(event) {
if (Polymer.IronMenuBehaviorImpl._shiftTabPressed) {
// do not focus the menu itself
return;
}
// Do not focus the selected tab if the deepest target is part of the
// menu element's local DOM and is focusable.
var rootTarget = /** @type {?HTMLElement} */(
Polymer.dom(event).rootTarget);
if (rootTarget !== this && typeof rootTarget.tabIndex !== "undefined" && !this.isLightDescendant(rootTarget)) {
return;
}
// clear the cached focus item
this._defaultFocusAsync = this.async(function() {
// focus the selected item when the menu receives focus, or the first item
// if no item is selected
var selectedItem = this.multi ? (this.selectedItems && this.selectedItems[0]) : this.selectedItem;
this._setFocusedItem(null);
if (selectedItem) {
this._setFocusedItem(selectedItem);
} else if (this.items[0]) {
// We find the first none-disabled item (if one exists)
this._focusNext();
}
});
},
/**
* Handler that is called when the up key is pressed.
*
* @param {CustomEvent} event A key combination event.
*/
_onUpKey: function(event) {
// up and down arrows moves the focus
this._focusPrevious();
event.detail.keyboardEvent.preventDefault();
},
/**
* Handler that is called when the down key is pressed.
*
* @param {CustomEvent} event A key combination event.
*/
_onDownKey: function(event) {
this._focusNext();
event.detail.keyboardEvent.preventDefault();
},
/**
* Handler that is called when the esc key is pressed.
*
* @param {CustomEvent} event A key combination event.
*/
_onEscKey: function(event) {
// esc blurs the control
this.focusedItem.blur();
},
/**
* Handler that is called when a keydown event is detected.
*
* @param {KeyboardEvent} event A keyboard event.
*/
_onKeydown: function(event) {
if (!this.keyboardEventMatchesKeys(event, 'up down esc')) {
// all other keys focus the menu item starting with that character
this._focusWithKeyboardEvent(event);
}
event.stopPropagation();
},
// override _activateHandler
_activateHandler: function(event) {
Polymer.IronSelectableBehavior._activateHandler.call(this, event);
event.stopPropagation();
}
};
Polymer.IronMenuBehaviorImpl._shiftTabPressed = false;
/** @polymerBehavior Polymer.IronMenuBehavior */
Polymer.IronMenuBehavior = [
Polymer.IronMultiSelectableBehavior,
Polymer.IronA11yKeysBehavior,
Polymer.IronMenuBehaviorImpl
];
</script><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><dom-module id="paper-menu-shared-styles" assetpath="bower_components/paper-menu/">
<template>
<style>
/* need a wrapper element to make this higher specificity than the :host rule in paper-item */
.selectable-content > ::content > .iron-selected {
font-weight: bold;
@apply(--paper-menu-selected-item);
}
.selectable-content > ::content > [disabled] {
color: var(--paper-menu-disabled-color, --disabled-text-color);
}
.selectable-content > ::content > *:focus {
position: relative;
outline: 0;
@apply(--paper-menu-focused-item);
}
.selectable-content > ::content > *:focus:after {
@apply(--layout-fit);
background: currentColor;
opacity: var(--dark-divider-opacity);
content: '';
pointer-events: none;
@apply(--paper-menu-focused-item-after);
}
.selectable-content > ::content > *[colored]:focus:after {
opacity: 0.26;
}
</style>
</template>
</dom-module>
<dom-module id="paper-menu" assetpath="bower_components/paper-menu/">
<template>
<style include="paper-menu-shared-styles"></style>
<style>
:host {
display: block;
padding: 8px 0;
background: var(--paper-menu-background-color, --primary-background-color);
color: var(--paper-menu-color, --primary-text-color);
@apply(--paper-menu);
}
</style>
<div class="selectable-content">
<content></content>
</div>
</template>
<script>
(function() {
Polymer({
is: 'paper-menu',
behaviors: [
Polymer.IronMenuBehavior
]
});
})();
</script>
</dom-module>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
Material design: [Lists](https://www.google.com/design/spec/components/lists.html)
`<paper-item>` is an interactive list item. By default, it is a horizontal flexbox.
<paper-item>Item</paper-item>
Use this element with `<paper-item-body>` to make Material Design styled two-line and three-line
items.
<paper-item>
<paper-item-body two-line>
<div>Show your status</div>
<div secondary>Your status is visible to everyone</div>
</paper-item-body>
<iron-icon icon="warning"></iron-icon>
</paper-item>
To use `paper-item` as a link, wrap it in an anchor tag. Since `paper-item` will
already receive focus, you may want to prevent the anchor tag from receiving
focus as well by setting its tabindex to -1.
<a href="https://www.polymer-project.org/" tabindex="-1">
<paper-item raised>Polymer Project</paper-item>
</a>
If you are concerned about performance and want to use `paper-item` in a `paper-listbox`
with many items, you can just use a native `button` with the `paper-item` class
applied (provided you have correctly included the shared styles):
<style is="custom-style" include="paper-item-shared-styles"></style>
<paper-listbox>
<button class="paper-item" role="option">Inbox</button>
<button class="paper-item" role="option">Starred</button>
<button class="paper-item" role="option">Sent mail</button>
</paper-listbox>
### Styling
The following custom properties and mixins are available for styling:
Custom property | Description | Default
------------------------------|----------------------------------------------|----------
`--paper-item-min-height` | Minimum height of the item | `48px`
`--paper-item` | Mixin applied to the item | `{}`
`--paper-item-selected-weight`| The font weight of a selected item | `bold`
`--paper-item-selected` | Mixin applied to selected paper-items | `{}`
`--paper-item-disabled-color` | The color for disabled paper-items | `--disabled-text-color`
`--paper-item-disabled` | Mixin applied to disabled paper-items | `{}`
`--paper-item-focused` | Mixin applied to focused paper-items | `{}`
`--paper-item-focused-before` | Mixin applied to :before focused paper-items | `{}`
### Accessibility
This element has `role="listitem"` by default. Depending on usage, it may be more appropriate to set
`role="menuitem"`, `role="menuitemcheckbox"` or `role="menuitemradio"`.
<paper-item role="menuitemcheckbox">
<paper-item-body>
Show your status
</paper-item-body>
<paper-checkbox></paper-checkbox>
</paper-item>
@group Paper Elements
@element paper-item
@demo demo/index.html
-->
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
`PaperItemBehavior` is a convenience behavior shared by <paper-item> and
<paper-icon-item> that manages the shared control states and attributes of
the items.
-->
<script>
/** @polymerBehavior Polymer.PaperItemBehavior */
Polymer.PaperItemBehaviorImpl = {
hostAttributes: {
role: 'option',
tabindex: '0'
}
};
/** @polymerBehavior */
Polymer.PaperItemBehavior = [
Polymer.IronButtonState,
Polymer.IronControlState,
Polymer.PaperItemBehaviorImpl
];
</script><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:400,300,300italic,400italic,500,500italic,700,700italic">
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto+Mono:400,700">
<style is="custom-style">
:root {
/* Shared Styles */
--paper-font-common-base: {
font-family: 'Roboto', 'Noto', sans-serif;
-webkit-font-smoothing: antialiased;
};
--paper-font-common-code: {
font-family: 'Roboto Mono', 'Consolas', 'Menlo', monospace;
-webkit-font-smoothing: antialiased;
};
--paper-font-common-expensive-kerning: {
text-rendering: optimizeLegibility;
};
--paper-font-common-nowrap: {
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
};
/* Material Font Styles */
--paper-font-display4: {
@apply(--paper-font-common-base);
@apply(--paper-font-common-nowrap);
font-size: 112px;
font-weight: 300;
letter-spacing: -.044em;
line-height: 120px;
};
--paper-font-display3: {
@apply(--paper-font-common-base);
@apply(--paper-font-common-nowrap);
font-size: 56px;
font-weight: 400;
letter-spacing: -.026em;
line-height: 60px;
};
--paper-font-display2: {
@apply(--paper-font-common-base);
font-size: 45px;
font-weight: 400;
letter-spacing: -.018em;
line-height: 48px;
};
--paper-font-display1: {
@apply(--paper-font-common-base);
font-size: 34px;
font-weight: 400;
letter-spacing: -.01em;
line-height: 40px;
};
--paper-font-headline: {
@apply(--paper-font-common-base);
font-size: 24px;
font-weight: 400;
letter-spacing: -.012em;
line-height: 32px;
};
--paper-font-title: {
@apply(--paper-font-common-base);
@apply(--paper-font-common-nowrap);
font-size: 20px;
font-weight: 500;
line-height: 28px;
};
--paper-font-subhead: {
@apply(--paper-font-common-base);
font-size: 16px;
font-weight: 400;
line-height: 24px;
};
--paper-font-body2: {
@apply(--paper-font-common-base);
font-size: 14px;
font-weight: 500;
line-height: 24px;
};
--paper-font-body1: {
@apply(--paper-font-common-base);
font-size: 14px;
font-weight: 400;
line-height: 20px;
};
--paper-font-caption: {
@apply(--paper-font-common-base);
@apply(--paper-font-common-nowrap);
font-size: 12px;
font-weight: 400;
letter-spacing: 0.011em;
line-height: 20px;
};
--paper-font-menu: {
@apply(--paper-font-common-base);
@apply(--paper-font-common-nowrap);
font-size: 13px;
font-weight: 500;
line-height: 24px;
};
--paper-font-button: {
@apply(--paper-font-common-base);
@apply(--paper-font-common-nowrap);
font-size: 14px;
font-weight: 500;
letter-spacing: 0.018em;
line-height: 24px;
text-transform: uppercase;
};
--paper-font-code2: {
@apply(--paper-font-common-code);
font-size: 14px;
font-weight: 700;
line-height: 20px;
};
--paper-font-code1: {
@apply(--paper-font-common-code);
font-size: 14px;
font-weight: 500;
line-height: 20px;
};
}
</style><dom-module id="paper-item-shared-styles" assetpath="bower_components/paper-item/">
<template>
<style>
:host, .paper-item {
display: block;
position: relative;
min-height: var(--paper-item-min-height, 48px);
padding: 0px 16px;
}
.paper-item {
@apply(--paper-font-subhead);
border:none;
outline: none;
background: white;
width: 100%;
text-align: left;
}
:host([hidden]), .paper-item[hidden] {
display: none !important;
}
:host(.iron-selected), .paper-item.iron-selected {
font-weight: var(--paper-item-selected-weight, bold);
@apply(--paper-item-selected);
}
:host([disabled]), .paper-item[disabled] {
color: var(--paper-item-disabled-color, --disabled-text-color);
@apply(--paper-item-disabled);
}
:host(:focus), .paper-item:focus {
position: relative;
outline: 0;
@apply(--paper-item-focused);
}
:host(:focus):before, .paper-item:focus:before {
@apply(--layout-fit);
background: currentColor;
content: '';
opacity: var(--dark-divider-opacity);
pointer-events: none;
@apply(--paper-item-focused-before);
}
</style>
</template>
</dom-module>
<dom-module id="paper-item" assetpath="bower_components/paper-item/">
<template>
<style include="paper-item-shared-styles"></style>
<style>
:host {
@apply(--layout-horizontal);
@apply(--layout-center);
@apply(--paper-font-subhead);
@apply(--paper-item);
}
</style>
<content></content>
</template>
<script>
Polymer({
is: 'paper-item',
behaviors: [
Polymer.PaperItemBehavior
]
});
</script>
</dom-module>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
Material design: [Cards](https://www.google.com/design/spec/components/cards.html)
`paper-card` is a container with a drop shadow.
Example:
<paper-card heading="Card Title">
<div class="card-content">Some content</div>
<div class="card-actions">
<paper-button>Some action</paper-button>
</div>
</paper-card>
Example - top card image:
<paper-card heading="Card Title" image="/path/to/image.png" alt="image">
...
</paper-card>
### Accessibility
By default, the `aria-label` will be set to the value of the `heading` attribute.
### Styling
The following custom properties and mixins are available for styling:
Custom property | Description | Default
----------------|-------------|----------
`--paper-card-background-color` | The background color of the card | `--primary-background-color`
`--paper-card-header-color` | The color of the header text | `#000`
`--paper-card-header` | Mixin applied to the card header section | `{}`
`--paper-card-header-text` | Mixin applied to the title in the card header section | `{}`
`--paper-card-header-image` | Mixin applied to the image in the card header section | `{}`
`--paper-card-header-image-text` | Mixin applied to the text overlapping the image in the card header section | `{}`
`--paper-card-content` | Mixin applied to the card content section| `{}`
`--paper-card-actions` | Mixin applied to the card action section | `{}`
`--paper-card` | Mixin applied to the card | `{}`
@group Paper Elements
@element paper-card
@demo demo/index.html
-->
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
`iron-image` is an element for displaying an image that provides useful sizing and
preloading options not found on the standard `<img>` tag.
The `sizing` option allows the image to be either cropped (`cover`) or
letterboxed (`contain`) to fill a fixed user-size placed on the element.
The `preload` option prevents the browser from rendering the image until the
image is fully loaded. In the interim, either the element's CSS `background-color`
can be be used as the placeholder, or the `placeholder` property can be
set to a URL (preferably a data-URI, for instant rendering) for an
placeholder image.
The `fade` option (only valid when `preload` is set) will cause the placeholder
image/color to be faded out once the image is rendered.
Examples:
Basically identical to `<img src="...">` tag:
<iron-image src="http://lorempixel.com/400/400"></iron-image>
Will letterbox the image to fit:
<iron-image style="width:400px; height:400px;" sizing="contain"
src="http://lorempixel.com/600/400"></iron-image>
Will crop the image to fit:
<iron-image style="width:400px; height:400px;" sizing="cover"
src="http://lorempixel.com/600/400"></iron-image>
Will show light-gray background until the image loads:
<iron-image style="width:400px; height:400px; background-color: lightgray;"
sizing="cover" preload src="http://lorempixel.com/600/400"></iron-image>
Will show a base-64 encoded placeholder image until the image loads:
<iron-image style="width:400px; height:400px;" placeholder="data:image/gif;base64,..."
sizing="cover" preload src="http://lorempixel.com/600/400"></iron-image>
Will fade the light-gray background out once the image is loaded:
<iron-image style="width:400px; height:400px; background-color: lightgray;"
sizing="cover" preload fade src="http://lorempixel.com/600/400"></iron-image>
Custom property | Description | Default
----------------|-------------|----------
`--iron-image-placeholder` | Mixin applied to #placeholder | `{}`
`--iron-image-width` | Sets the width of the wrapped image | `auto`
`--iron-image-height` | Sets the height of the wrapped image | `auto`
@group Iron Elements
@element iron-image
@demo demo/index.html
-->
<dom-module id="iron-image" assetpath="bower_components/iron-image/">
<template>
<style>
:host {
display: inline-block;
overflow: hidden;
position: relative;
}
#sizedImgDiv {
@apply(--layout-fit);
display: none;
}
#img {
display: block;
width: var(--iron-image-width, auto);
height: var(--iron-image-height, auto);
}
:host([sizing]) #sizedImgDiv {
display: block;
}
:host([sizing]) #img {
display: none;
}
#placeholder {
@apply(--layout-fit);
background-color: inherit;
opacity: 1;
@apply(--iron-image-placeholder);
}
#placeholder.faded-out {
transition: opacity 0.5s linear;
opacity: 0;
}
</style>
<div id="sizedImgDiv" role="img" hidden$="[[_computeImgDivHidden(sizing)]]" aria-hidden$="[[_computeImgDivARIAHidden(alt)]]" aria-label$="[[_computeImgDivARIALabel(alt, src)]]"></div>
<img id="img" alt$="[[alt]]" hidden$="[[_computeImgHidden(sizing)]]">
<div id="placeholder" hidden$="[[_computePlaceholderHidden(preload, fade, loading, loaded)]]" class$="[[_computePlaceholderClassName(preload, fade, loading, loaded)]]"></div>
</template>
<script>
Polymer({
is: 'iron-image',
properties: {
/**
* The URL of an image.
*/
src: {
observer: '_srcChanged',
type: String,
value: ''
},
/**
* A short text alternative for the image.
*/
alt: {
type: String,
value: null
},
/**
* When true, the image is prevented from loading and any placeholder is
* shown. This may be useful when a binding to the src property is known to
* be invalid, to prevent 404 requests.
*/
preventLoad: {
type: Boolean,
value: false,
observer: '_preventLoadChanged'
},
/**
* Sets a sizing option for the image. Valid values are `contain` (full
* aspect ratio of the image is contained within the element and
* letterboxed) or `cover` (image is cropped in order to fully cover the
* bounds of the element), or `null` (default: image takes natural size).
*/
sizing: {
type: String,
value: null,
reflectToAttribute: true
},
/**
* When a sizing option is used (`cover` or `contain`), this determines
* how the image is aligned within the element bounds.
*/
position: {
type: String,
value: 'center'
},
/**
* When `true`, any change to the `src` property will cause the `placeholder`
* image to be shown until the new image has loaded.
*/
preload: {
type: Boolean,
value: false
},
/**
* This image will be used as a background/placeholder until the src image has
* loaded. Use of a data-URI for placeholder is encouraged for instant rendering.
*/
placeholder: {
type: String,
value: null,
observer: '_placeholderChanged'
},
/**
* When `preload` is true, setting `fade` to true will cause the image to
* fade into place.
*/
fade: {
type: Boolean,
value: false
},
/**
* Read-only value that is true when the image is loaded.
*/
loaded: {
notify: true,
readOnly: true,
type: Boolean,
value: false
},
/**
* Read-only value that tracks the loading state of the image when the `preload`
* option is used.
*/
loading: {
notify: true,
readOnly: true,
type: Boolean,
value: false
},
/**
* Read-only value that indicates that the last set `src` failed to load.
*/
error: {
notify: true,
readOnly: true,
type: Boolean,
value: false
},
/**
* Can be used to set the width of image (e.g. via binding); size may also be
* set via CSS.
*/
width: {
observer: '_widthChanged',
type: Number,
value: null
},
/**
* Can be used to set the height of image (e.g. via binding); size may also be
* set via CSS.
*
* @attribute height
* @type number
* @default null
*/
height: {
observer: '_heightChanged',
type: Number,
value: null
},
},
observers: [
'_transformChanged(sizing, position)'
],
ready: function() {
var img = this.$.img;
img.onload = function() {
if (this.$.img.src !== this._resolveSrc(this.src)) return;
this._setLoading(false);
this._setLoaded(true);
this._setError(false);
}.bind(this);
img.onerror = function() {
if (this.$.img.src !== this._resolveSrc(this.src)) return;
this._reset();
this._setLoading(false);
this._setLoaded(false);
this._setError(true);
}.bind(this);
this._resolvedSrc = '';
},
_load: function(src) {
if (src) {
this.$.img.src = src;
} else {
this.$.img.removeAttribute('src');
}
this.$.sizedImgDiv.style.backgroundImage = src ? 'url("' + src + '")' : '';
this._setLoading(!!src);
this._setLoaded(false);
this._setError(false);
},
_reset: function() {
this.$.img.removeAttribute('src');
this.$.sizedImgDiv.style.backgroundImage = '';
this._setLoading(false);
this._setLoaded(false);
this._setError(false);
},
_computePlaceholderHidden: function() {
return !this.preload || (!this.fade && !this.loading && this.loaded);
},
_computePlaceholderClassName: function() {
return (this.preload && this.fade && !this.loading && this.loaded) ? 'faded-out' : '';
},
_computeImgDivHidden: function() {
return !this.sizing;
},
_computeImgDivARIAHidden: function() {
return this.alt === '' ? 'true' : undefined;
},
_computeImgDivARIALabel: function() {
if (this.alt !== null) {
return this.alt;
}
// Polymer.ResolveUrl.resolveUrl will resolve '' relative to a URL x to
// that URL x, but '' is the default for src.
if (this.src === '') {
return '';
}
var pathComponents = (new URL(this._resolveSrc(this.src))).pathname.split("/");
return pathComponents[pathComponents.length - 1];
},
_computeImgHidden: function() {
return !!this.sizing;
},
_widthChanged: function() {
this.style.width = isNaN(this.width) ? this.width : this.width + 'px';
},
_heightChanged: function() {
this.style.height = isNaN(this.height) ? this.height : this.height + 'px';
},
_preventLoadChanged: function() {
if (this.preventLoad || this.loaded) return;
this._reset();
this._load(this.src);
},
_srcChanged: function(newSrc, oldSrc) {
var newResolvedSrc = this._resolveSrc(newSrc);
if (newResolvedSrc === this._resolvedSrc) return;
this._resolvedSrc = newResolvedSrc;
this._reset();
if (!this.preventLoad) {
this._load(newSrc);
}
},
_placeholderChanged: function() {
this.$.placeholder.style.backgroundImage =
this.placeholder ? 'url("' + this.placeholder + '")' : '';
},
_transformChanged: function() {
var sizedImgDivStyle = this.$.sizedImgDiv.style;
var placeholderStyle = this.$.placeholder.style;
sizedImgDivStyle.backgroundSize =
placeholderStyle.backgroundSize =
this.sizing;
sizedImgDivStyle.backgroundPosition =
placeholderStyle.backgroundPosition =
this.sizing ? this.position : '';
sizedImgDivStyle.backgroundRepeat =
placeholderStyle.backgroundRepeat =
this.sizing ? 'no-repeat' : '';
},
_resolveSrc: function(testSrc) {
var baseURI = /** @type {string} */(this.ownerDocument.baseURI);
return (new URL(Polymer.ResolveUrl.resolveUrl(testSrc, baseURI), baseURI)).href;
}
});
</script>
</dom-module>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
Material design: [Cards](https://www.google.com/design/spec/components/cards.html)
`paper-material` is a container that renders two shadows on top of each other to
create the effect of a lifted piece of paper.
Example:
<paper-material elevation="1">
... content ...
</paper-material>
@group Paper Elements
@demo demo/index.html
-->
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><style is="custom-style">
:root {
--shadow-transition: {
transition: box-shadow 0.28s cubic-bezier(0.4, 0, 0.2, 1);
};
--shadow-none: {
box-shadow: none;
};
/* from http://codepen.io/shyndman/pen/c5394ddf2e8b2a5c9185904b57421cdb */
--shadow-elevation-2dp: {
box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14),
0 1px 5px 0 rgba(0, 0, 0, 0.12),
0 3px 1px -2px rgba(0, 0, 0, 0.2);
};
--shadow-elevation-3dp: {
box-shadow: 0 3px 4px 0 rgba(0, 0, 0, 0.14),
0 1px 8px 0 rgba(0, 0, 0, 0.12),
0 3px 3px -2px rgba(0, 0, 0, 0.4);
};
--shadow-elevation-4dp: {
box-shadow: 0 4px 5px 0 rgba(0, 0, 0, 0.14),
0 1px 10px 0 rgba(0, 0, 0, 0.12),
0 2px 4px -1px rgba(0, 0, 0, 0.4);
};
--shadow-elevation-6dp: {
box-shadow: 0 6px 10px 0 rgba(0, 0, 0, 0.14),
0 1px 18px 0 rgba(0, 0, 0, 0.12),
0 3px 5px -1px rgba(0, 0, 0, 0.4);
};
--shadow-elevation-8dp: {
box-shadow: 0 8px 10px 1px rgba(0, 0, 0, 0.14),
0 3px 14px 2px rgba(0, 0, 0, 0.12),
0 5px 5px -3px rgba(0, 0, 0, 0.4);
};
--shadow-elevation-12dp: {
box-shadow: 0 12px 16px 1px rgba(0, 0, 0, 0.14),
0 4px 22px 3px rgba(0, 0, 0, 0.12),
0 6px 7px -4px rgba(0, 0, 0, 0.4);
};
--shadow-elevation-16dp: {
box-shadow: 0 16px 24px 2px rgba(0, 0, 0, 0.14),
0 6px 30px 5px rgba(0, 0, 0, 0.12),
0 8px 10px -5px rgba(0, 0, 0, 0.4);
};
--shadow-elevation-24dp: {
box-shadow: 0 24px 38px 3px rgba(0, 0, 0, 0.14),
0 9px 46px 8px rgba(0, 0, 0, 0.12),
0 11px 15px -7px rgba(0, 0, 0, 0.4);
};
}
</style><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><dom-module id="paper-material-shared-styles" assetpath="bower_components/paper-material/">
<template>
<style>
:host {
display: block;
position: relative;
}
:host([elevation="1"]) {
@apply(--shadow-elevation-2dp);
}
:host([elevation="2"]) {
@apply(--shadow-elevation-4dp);
}
:host([elevation="3"]) {
@apply(--shadow-elevation-6dp);
}
:host([elevation="4"]) {
@apply(--shadow-elevation-8dp);
}
:host([elevation="5"]) {
@apply(--shadow-elevation-16dp);
}
</style>
</template>
</dom-module>
<dom-module id="paper-material" assetpath="bower_components/paper-material/">
<template>
<style include="paper-material-shared-styles"></style>
<style>
:host([animated]) {
@apply(--shadow-transition);
}
</style>
<content></content>
</template>
</dom-module>
<script>
Polymer({
is: 'paper-material',
properties: {
/**
* The z-depth of this element, from 0-5. Setting to 0 will remove the
* shadow, and each increasing number greater than 0 will be "deeper"
* than the last.
*
* @attribute elevation
* @type number
* @default 1
*/
elevation: {
type: Number,
reflectToAttribute: true,
value: 1
},
/**
* Set this to true to animate the shadow when setting a new
* `elevation` value.
*
* @attribute animated
* @type boolean
* @default false
*/
animated: {
type: Boolean,
reflectToAttribute: true,
value: false
}
}
});
</script>
<dom-module id="paper-card" assetpath="bower_components/paper-card/">
<template>
<style include="paper-material">
:host {
display: inline-block;
position: relative;
box-sizing: border-box;
background-color: var(--paper-card-background-color, --primary-background-color);
border-radius: 2px;
@apply(--paper-font-common-base);
@apply(--paper-card);
}
/* IE 10 support for HTML5 hidden attr */
[hidden] {
display: none !important;
}
.header {
position: relative;
border-top-left-radius: inherit;
border-top-right-radius: inherit;
overflow: hidden;
@apply(--paper-card-header);
}
.header iron-image {
display: block;
width: 100%;
--iron-image-width: 100%;
pointer-events: none;
@apply(--paper-card-header-image);
}
.header .title-text {
padding: 16px;
font-size: 24px;
font-weight: 400;
color: var(--paper-card-header-color, #000);
@apply(--paper-card-header-text);
}
.header .title-text.over-image {
position: absolute;
bottom: 0px;
@apply(--paper-card-header-image-text);
}
:host ::content .card-content {
padding: 16px;
position:relative;
@apply(--paper-card-content);
}
:host ::content .card-actions {
border-top: 1px solid #e8e8e8;
padding: 5px 16px;
position:relative;
@apply(--paper-card-actions);
}
</style>
<div class="header">
<iron-image hidden$="[[!image]]" aria-hidden$="[[_isHidden(image)]]" src="[[image]]" alt="[[alt]]" placeholder="[[placeholderImage]]" preload="[[preloadImage]]" fade="[[fadeImage]]"></iron-image>
<div hidden$="[[!heading]]" class$="title-text [[_computeHeadingClass(image)]]">[[heading]]</div>
</div>
<content></content>
</template>
<script>
Polymer({
is: 'paper-card',
properties: {
/**
* The title of the card.
*/
heading: {
type: String,
value: '',
observer: '_headingChanged'
},
/**
* The url of the title image of the card.
*/
image: {
type: String,
value: ''
},
/**
* The text alternative of the card's title image.
*/
alt: {
type: String
},
/**
* When `true`, any change to the image url property will cause the
* `placeholder` image to be shown until the image is fully rendered.
*/
preloadImage: {
type: Boolean,
value: false
},
/**
* When `preloadImage` is true, setting `fadeImage` to true will cause the
* image to fade into place.
*/
fadeImage: {
type: Boolean,
value: false
},
/**
* This image will be used as a background/placeholder until the src image has
* loaded. Use of a data-URI for placeholder is encouraged for instant rendering.
*/
placeholderImage: {
type: String,
value: null
},
/**
* The z-depth of the card, from 0-5.
*/
elevation: {
type: Number,
value: 1,
reflectToAttribute: true
},
/**
* Set this to true to animate the card shadow when setting a new
* `z` value.
*/
animatedShadow: {
type: Boolean,
value: false
},
/**
* Read-only property used to pass down the `animatedShadow` value to
* the underlying paper-material style (since they have different names).
*/
animated: {
type: Boolean,
reflectToAttribute: true,
readOnly: true,
computed: '_computeAnimated(animatedShadow)'
}
},
/**
* Format function for aria-hidden. Use the ! operator results in the
* empty string when given a falsy value.
*/
_isHidden: function(image) {
return image ? 'false' : 'true';
},
_headingChanged: function(heading) {
var label = this.getAttribute('aria-label');
this.setAttribute('aria-label', heading);
},
_computeHeadingClass: function(image) {
return image ? ' over-image' : '';
},
_computeAnimated: function(animatedShadow) {
return animatedShadow;
}
});
</script>
</dom-module>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
Material design: [Buttons](https://www.google.com/design/spec/components/buttons.html)
`paper-button` is a button. When the user touches the button, a ripple effect emanates
from the point of contact. It may be flat or raised. A raised button is styled with a
shadow.
Example:
<paper-button>Flat button</paper-button>
<paper-button raised>Raised button</paper-button>
<paper-button noink>No ripple effect</paper-button>
<paper-button toggles>Toggle-able button</paper-button>
A button that has `toggles` true will remain `active` after being clicked (and
will have an `active` attribute set). For more information, see the `Polymer.IronButtonState`
behavior.
You may use custom DOM in the button body to create a variety of buttons. For example, to
create a button with an icon and some text:
<paper-button>
<iron-icon icon="favorite"></iron-icon>
custom button content
</paper-button>
To use `paper-button` as a link, wrap it in an anchor tag. Since `paper-button` will already
receive focus, you may want to prevent the anchor tag from receiving focus as well by setting
its tabindex to -1.
<a href="https://www.polymer-project.org/" tabindex="-1">
<paper-button raised>Polymer Project</paper-button>
</a>
### Styling
Style the button with CSS as you would a normal DOM element.
paper-button.fancy {
background: green;
color: yellow;
}
paper-button.fancy:hover {
background: lime;
}
paper-button[disabled],
paper-button[toggles][active] {
background: red;
}
By default, the ripple is the same color as the foreground at 25% opacity. You may
customize the color using the `--paper-button-ink-color` custom property.
The following custom properties and mixins are also available for styling:
Custom property | Description | Default
----------------|-------------|----------
`--paper-button-ink-color` | Background color of the ripple | `Based on the button's color`
`--paper-button` | Mixin applied to the button | `{}`
`--paper-button-disabled` | Mixin applied to the disabled button. Note that you can also use the `paper-button[disabled]` selector | `{}`
`--paper-button-flat-keyboard-focus` | Mixin applied to a flat button after it's been focused using the keyboard | `{}`
`--paper-button-raised-keyboard-focus` | Mixin applied to a raised button after it's been focused using the keyboard | `{}`
@demo demo/index.html
-->
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
/** @polymerBehavior Polymer.PaperButtonBehavior */
Polymer.PaperButtonBehaviorImpl = {
properties: {
/**
* The z-depth of this element, from 0-5. Setting to 0 will remove the
* shadow, and each increasing number greater than 0 will be "deeper"
* than the last.
*
* @attribute elevation
* @type number
* @default 1
*/
elevation: {
type: Number,
reflectToAttribute: true,
readOnly: true
}
},
observers: [
'_calculateElevation(focused, disabled, active, pressed, receivedFocusFromKeyboard)',
'_computeKeyboardClass(receivedFocusFromKeyboard)'
],
hostAttributes: {
role: 'button',
tabindex: '0',
animated: true
},
_calculateElevation: function() {
var e = 1;
if (this.disabled) {
e = 0;
} else if (this.active || this.pressed) {
e = 4;
} else if (this.receivedFocusFromKeyboard) {
e = 3;
}
this._setElevation(e);
},
_computeKeyboardClass: function(receivedFocusFromKeyboard) {
this.toggleClass('keyboard-focus', receivedFocusFromKeyboard);
},
/**
* In addition to `IronButtonState` behavior, when space key goes down,
* create a ripple down effect.
*
* @param {!KeyboardEvent} event .
*/
_spaceKeyDownHandler: function(event) {
Polymer.IronButtonStateImpl._spaceKeyDownHandler.call(this, event);
// Ensure that there is at most one ripple when the space key is held down.
if (this.hasRipple() && this.getRipple().ripples.length < 1) {
this._ripple.uiDownAction();
}
},
/**
* In addition to `IronButtonState` behavior, when space key goes up,
* create a ripple up effect.
*
* @param {!KeyboardEvent} event .
*/
_spaceKeyUpHandler: function(event) {
Polymer.IronButtonStateImpl._spaceKeyUpHandler.call(this, event);
if (this.hasRipple()) {
this._ripple.uiUpAction();
}
}
};
/** @polymerBehavior */
Polymer.PaperButtonBehavior = [
Polymer.IronButtonState,
Polymer.IronControlState,
Polymer.PaperRippleBehavior,
Polymer.PaperButtonBehaviorImpl
];
</script><dom-module id="paper-button" assetpath="bower_components/paper-button/">
<template strip-whitespace="">
<style include="paper-material-shared-styles">
:host {
@apply(--layout-inline);
@apply(--layout-center-center);
position: relative;
box-sizing: border-box;
min-width: 5.14em;
margin: 0 0.29em;
background: transparent;
-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
-webkit-tap-highlight-color: transparent;
font: inherit;
text-transform: uppercase;
outline-width: 0;
border-radius: 3px;
-moz-user-select: none;
-ms-user-select: none;
-webkit-user-select: none;
user-select: none;
cursor: pointer;
z-index: 0;
padding: 0.7em 0.57em;
@apply(--paper-font-common-base);
@apply(--paper-button);
}
:host([hidden]) {
display: none !important;
}
:host([raised].keyboard-focus) {
font-weight: bold;
@apply(--paper-button-raised-keyboard-focus);
}
:host(:not([raised]).keyboard-focus) {
font-weight: bold;
@apply(--paper-button-flat-keyboard-focus);
}
:host([disabled]) {
background: #eaeaea;
color: #a8a8a8;
cursor: auto;
pointer-events: none;
@apply(--paper-button-disabled);
}
:host([animated]) {
@apply(--shadow-transition);
}
paper-ripple {
color: var(--paper-button-ink-color);
}
</style>
<content></content>
</template>
<script>
Polymer({
is: 'paper-button',
behaviors: [
Polymer.PaperButtonBehavior
],
properties: {
/**
* If true, the button should be styled with a shadow.
*/
raised: {
type: Boolean,
reflectToAttribute: true,
value: false,
observer: '_calculateElevation'
}
},
_calculateElevation: function() {
if (!this.raised) {
this._setElevation(0);
} else {
Polymer.PaperButtonBehaviorImpl._calculateElevation.apply(this);
}
}
/**
Fired when the animation finishes.
This is useful if you want to wait until
the ripple animation finishes to perform some action.
@event transitionend
Event param: {{node: Object}} detail Contains the animated node.
*/
});
</script>
</dom-module>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
Material design: [Sliders](https://www.google.com/design/spec/components/sliders.html)
`paper-slider` allows user to select a value from a range of values by
moving the slider thumb. The interactive nature of the slider makes it a
great choice for settings that reflect intensity levels, such as volume,
brightness, or color saturation.
Example:
<paper-slider></paper-slider>
Use `min` and `max` to specify the slider range. Default is 0 to 100.
Example:
<paper-slider min="10" max="200" value="110"></paper-slider>
### Styling
The following custom properties and mixins are available for styling:
Custom property | Description | Default
----------------|-------------|----------
`--paper-slider-container-color` | The background color of the bar | `--paper-grey-400`
`--paper-slider-bar-color` | The background color of the slider | `transparent`
`--paper-slider-active-color` | The progress bar color | `--google-blue-700`
`--paper-slider-secondary-color` | The secondary progress bar color | `--google-blue-300`
`--paper-slider-knob-color` | The knob color | `--google-blue-700`
`--paper-slider-disabled-knob-color` | The disabled knob color | `--paper-grey-400`
`--paper-slider-pin-color` | The pin color | `--google-blue-700`
`--paper-slider-font-color` | The pin's text color | `#fff`
`--paper-slider-markers-color` | The snaps markers color | `#000`
`--paper-slider-disabled-active-color` | The disabled progress bar color | `--paper-grey-400`
`--paper-slider-disabled-secondary-color` | The disabled secondary progress bar color | `--paper-grey-400`
`--paper-slider-knob-start-color` | The fill color of the knob at the far left | `transparent`
`--paper-slider-knob-start-border-color` | The border color of the knob at the far left | `--paper-grey-400`
`--paper-slider-pin-start-color` | The color of the pin at the far left | `--paper-grey-400`
`--paper-slider-height` | Height of the progress bar | `2px`
`--paper-slider-input` | Mixin applied to the input in editable mode | `{}`
@group Paper Elements
@element paper-slider
@demo demo/index.html
@hero hero.svg
-->
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
/**
Polymer.IronFormElementBehavior enables a custom element to be included
in an `iron-form`.
@demo demo/index.html
@polymerBehavior
*/
Polymer.IronFormElementBehavior = {
properties: {
/**
* Fired when the element is added to an `iron-form`.
*
* @event iron-form-element-register
*/
/**
* Fired when the element is removed from an `iron-form`.
*
* @event iron-form-element-unregister
*/
/**
* The name of this element.
*/
name: {
type: String
},
/**
* The value for this element.
*/
value: {
notify: true,
type: String
},
/**
* Set to true to mark the input as required. If used in a form, a
* custom element that uses this behavior should also use
* Polymer.IronValidatableBehavior and define a custom validation method.
* Otherwise, a `required` element will always be considered valid.
* It's also strongly recommended to provide a visual style for the element
* when its value is invalid.
*/
required: {
type: Boolean,
value: false
},
/**
* The form that the element is registered to.
*/
_parentForm: {
type: Object
}
},
attached: function() {
// Note: the iron-form that this element belongs to will set this
// element's _parentForm property when handling this event.
this.fire('iron-form-element-register');
},
detached: function() {
if (this._parentForm) {
this._parentForm.fire('iron-form-element-unregister', {target: this});
}
}
};
</script><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
/**
* `iron-range-behavior` provides the behavior for something with a minimum to maximum range.
*
* @demo demo/index.html
* @polymerBehavior
*/
Polymer.IronRangeBehavior = {
properties: {
/**
* The number that represents the current value.
*/
value: {
type: Number,
value: 0,
notify: true,
reflectToAttribute: true
},
/**
* The number that indicates the minimum value of the range.
*/
min: {
type: Number,
value: 0,
notify: true
},
/**
* The number that indicates the maximum value of the range.
*/
max: {
type: Number,
value: 100,
notify: true
},
/**
* Specifies the value granularity of the range's value.
*/
step: {
type: Number,
value: 1,
notify: true
},
/**
* Returns the ratio of the value.
*/
ratio: {
type: Number,
value: 0,
readOnly: true,
notify: true
},
},
observers: [
'_update(value, min, max, step)'
],
_calcRatio: function(value) {
return (this._clampValue(value) - this.min) / (this.max - this.min);
},
_clampValue: function(value) {
return Math.min(this.max, Math.max(this.min, this._calcStep(value)));
},
_calcStep: function(value) {
// polymer/issues/2493
value = parseFloat(value);
if (!this.step) {
return value;
}
var numSteps = Math.round((value - this.min) / this.step);
if (this.step < 1) {
/**
* For small values of this.step, if we calculate the step using
* `Math.round(value / step) * step` we may hit a precision point issue
* eg. 0.1 * 0.2 = 0.020000000000000004
* http://docs.oracle.com/cd/E19957-01/806-3568/ncg_goldberg.html
*
* as a work around we can divide by the reciprocal of `step`
*/
return numSteps / (1 / this.step) + this.min;
} else {
return numSteps * this.step + this.min;
}
},
_validateValue: function() {
var v = this._clampValue(this.value);
this.value = this.oldValue = isNaN(v) ? this.oldValue : v;
return this.value !== v;
},
_update: function() {
this._validateValue();
this._setRatio(this._calcRatio(this.value) * 100);
}
};
</script><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
Material design: [Text fields](https://www.google.com/design/spec/components/text-fields.html)
`<paper-input>` is a single-line text field with Material Design styling.
<paper-input label="Input label"></paper-input>
It may include an optional error message or character counter.
<paper-input error-message="Invalid input!" label="Input label"></paper-input>
<paper-input char-counter label="Input label"></paper-input>
It can also include custom prefix or suffix elements, which are displayed
before or after the text input itself. In order for an element to be
considered as a prefix, it must have the `prefix` attribute (and similarly
for `suffix`).
<paper-input label="total">
<div prefix>$</div>
<paper-icon-button suffix icon="clear"></paper-icon-button>
</paper-input>
A `paper-input` can use the native `type=search` or `type=file` features.
However, since we can't control the native styling of the input (search icon,
file button, date placeholder, etc.), in these cases the label will be
automatically floated. The `placeholder` attribute can still be used for
additional informational text.
<paper-input label="search!" type="search"
placeholder="search for cats" autosave="test" results="5">
</paper-input>
See `Polymer.PaperInputBehavior` for more API docs.
### Focus
To focus a paper-input, you can call the native `focus()` method as long as the
paper input has a tab index.
### Styling
See `Polymer.PaperInputContainer` for a list of custom properties used to
style this element.
@group Paper Elements
@element paper-input
@hero hero.svg
@demo demo/index.html
-->
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
`iron-a11y-announcer` is a singleton element that is intended to add a11y
to features that require on-demand announcement from screen readers. In
order to make use of the announcer, it is best to request its availability
in the announcing element.
Example:
Polymer({
is: 'x-chatty',
attached: function() {
// This will create the singleton element if it has not
// been created yet:
Polymer.IronA11yAnnouncer.requestAvailability();
}
});
After the `iron-a11y-announcer` has been made available, elements can
make announces by firing bubbling `iron-announce` events.
Example:
this.fire('iron-announce', {
text: 'This is an announcement!'
}, { bubbles: true });
Note: announcements are only audible if you have a screen reader enabled.
@group Iron Elements
@demo demo/index.html
-->
<dom-module id="iron-a11y-announcer" assetpath="bower_components/iron-a11y-announcer/">
<template>
<style>
:host {
display: inline-block;
position: fixed;
clip: rect(0px,0px,0px,0px);
}
</style>
<div aria-live$="[[mode]]">[[_text]]</div>
</template>
<script>
(function() {
'use strict';
Polymer.IronA11yAnnouncer = Polymer({
is: 'iron-a11y-announcer',
properties: {
/**
* The value of mode is used to set the `aria-live` attribute
* for the element that will be announced. Valid values are: `off`,
* `polite` and `assertive`.
*/
mode: {
type: String,
value: 'polite'
},
_text: {
type: String,
value: ''
}
},
created: function() {
if (!Polymer.IronA11yAnnouncer.instance) {
Polymer.IronA11yAnnouncer.instance = this;
}
document.body.addEventListener('iron-announce', this._onIronAnnounce.bind(this));
},
/**
* Cause a text string to be announced by screen readers.
*
* @param {string} text The text that should be announced.
*/
announce: function(text) {
this._text = '';
this.async(function() {
this._text = text;
}, 100);
},
_onIronAnnounce: function(event) {
if (event.detail && event.detail.text) {
this.announce(event.detail.text);
}
}
});
Polymer.IronA11yAnnouncer.instance = null;
Polymer.IronA11yAnnouncer.requestAvailability = function() {
if (!Polymer.IronA11yAnnouncer.instance) {
Polymer.IronA11yAnnouncer.instance = document.createElement('iron-a11y-announcer');
}
document.body.appendChild(Polymer.IronA11yAnnouncer.instance);
};
})();
</script>
</dom-module>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
/**
* Singleton IronMeta instance.
*/
Polymer.IronValidatableBehaviorMeta = null;
/**
* `Use Polymer.IronValidatableBehavior` to implement an element that validates user input.
* Use the related `Polymer.IronValidatorBehavior` to add custom validation logic to an iron-input.
*
* By default, an `<iron-form>` element validates its fields when the user presses the submit button.
* To validate a form imperatively, call the form's `validate()` method, which in turn will
* call `validate()` on all its children. By using `Polymer.IronValidatableBehavior`, your
* custom element will get a public `validate()`, which
* will return the validity of the element, and a corresponding `invalid` attribute,
* which can be used for styling.
*
* To implement the custom validation logic of your element, you must override
* the protected `_getValidity()` method of this behaviour, rather than `validate()`.
* See [this](https://github.com/PolymerElements/iron-form/blob/master/demo/simple-element.html)
* for an example.
*
* ### Accessibility
*
* Changing the `invalid` property, either manually or by calling `validate()` will update the
* `aria-invalid` attribute.
*
* @demo demo/index.html
* @polymerBehavior
*/
Polymer.IronValidatableBehavior = {
properties: {
/**
* Name of the validator to use.
*/
validator: {
type: String
},
/**
* True if the last call to `validate` is invalid.
*/
invalid: {
notify: true,
reflectToAttribute: true,
type: Boolean,
value: false
},
/**
* This property is deprecated and should not be used. Use the global
* validator meta singleton, `Polymer.IronValidatableBehaviorMeta` instead.
*/
_validatorMeta: {
type: Object
},
/**
* Namespace for this validator. This property is deprecated and should
* not be used. For all intents and purposes, please consider it a
* read-only, config-time property.
*/
validatorType: {
type: String,
value: 'validator'
},
_validator: {
type: Object,
computed: '__computeValidator(validator)'
}
},
observers: [
'_invalidChanged(invalid)'
],
registered: function() {
Polymer.IronValidatableBehaviorMeta = new Polymer.IronMeta({type: 'validator'});
},
_invalidChanged: function() {
if (this.invalid) {
this.setAttribute('aria-invalid', 'true');
} else {
this.removeAttribute('aria-invalid');
}
},
/**
* @return {boolean} True if the validator `validator` exists.
*/
hasValidator: function() {
return this._validator != null;
},
/**
* Returns true if the `value` is valid, and updates `invalid`. If you want
* your element to have custom validation logic, do not override this method;
* override `_getValidity(value)` instead.
* @param {Object} value The value to be validated. By default, it is passed
* to the validator's `validate()` function, if a validator is set.
* @return {boolean} True if `value` is valid.
*/
validate: function(value) {
this.invalid = !this._getValidity(value);
return !this.invalid;
},
/**
* Returns true if `value` is valid. By default, it is passed
* to the validator's `validate()` function, if a validator is set. You
* should override this method if you want to implement custom validity
* logic for your element.
*
* @param {Object} value The value to be validated.
* @return {boolean} True if `value` is valid.
*/
_getValidity: function(value) {
if (this.hasValidator()) {
return this._validator.validate(value);
}
return true;
},
__computeValidator: function() {
return Polymer.IronValidatableBehaviorMeta &&
Polymer.IronValidatableBehaviorMeta.byKey(this.validator);
}
};
</script><script>
/*
`<iron-input>` adds two-way binding and custom validators using `Polymer.IronValidatorBehavior`
to `<input>`.
### Two-way binding
By default you can only get notified of changes to an `input`'s `value` due to user input:
<input value="{{myValue::input}}">
`iron-input` adds the `bind-value` property that mirrors the `value` property, and can be used
for two-way data binding. `bind-value` will notify if it is changed either by user input or by script.
<input is="iron-input" bind-value="{{myValue}}">
### Custom validators
You can use custom validators that implement `Polymer.IronValidatorBehavior` with `<iron-input>`.
<input is="iron-input" validator="my-custom-validator">
### Stopping invalid input
It may be desirable to only allow users to enter certain characters. You can use the
`prevent-invalid-input` and `allowed-pattern` attributes together to accomplish this. This feature
is separate from validation, and `allowed-pattern` does not affect how the input is validated.
<!-- only allow characters that match [0-9] -->
<input is="iron-input" prevent-invalid-input allowed-pattern="[0-9]">
@hero hero.svg
@demo demo/index.html
*/
Polymer({
is: 'iron-input',
extends: 'input',
behaviors: [
Polymer.IronValidatableBehavior
],
properties: {
/**
* Use this property instead of `value` for two-way data binding.
*/
bindValue: {
observer: '_bindValueChanged',
type: String
},
/**
* Set to true to prevent the user from entering invalid input. If `allowedPattern` is set,
* any character typed by the user will be matched against that pattern, and rejected if it's not a match.
* Pasted input will have each character checked individually; if any character
* doesn't match `allowedPattern`, the entire pasted string will be rejected.
* If `allowedPattern` is not set, it will use the `type` attribute (only supported for `type=number`).
*/
preventInvalidInput: {
type: Boolean
},
/**
* Regular expression that list the characters allowed as input.
* This pattern represents the allowed characters for the field; as the user inputs text,
* each individual character will be checked against the pattern (rather than checking
* the entire value as a whole). The recommended format should be a list of allowed characters;
* for example, `[a-zA-Z0-9.+-!;:]`
*/
allowedPattern: {
type: String,
observer: "_allowedPatternChanged"
},
_previousValidInput: {
type: String,
value: ''
},
_patternAlreadyChecked: {
type: Boolean,
value: false
}
},
listeners: {
'input': '_onInput',
'keypress': '_onKeypress'
},
/** @suppress {checkTypes} */
registered: function() {
// Feature detect whether we need to patch dispatchEvent (i.e. on FF and IE).
if (!this._canDispatchEventOnDisabled()) {
this._origDispatchEvent = this.dispatchEvent;
this.dispatchEvent = this._dispatchEventFirefoxIE;
}
},
created: function() {
Polymer.IronA11yAnnouncer.requestAvailability();
},
_canDispatchEventOnDisabled: function() {
var input = document.createElement('input');
var canDispatch = false;
input.disabled = true;
input.addEventListener('feature-check-dispatch-event', function() {
canDispatch = true;
});
try {
input.dispatchEvent(new Event('feature-check-dispatch-event'));
} catch(e) {}
return canDispatch;
},
_dispatchEventFirefoxIE: function() {
// Due to Firefox bug, events fired on disabled form controls can throw
// errors; furthermore, neither IE nor Firefox will actually dispatch
// events from disabled form controls; as such, we toggle disable around
// the dispatch to allow notifying properties to notify
// See issue #47 for details
var disabled = this.disabled;
this.disabled = false;
this._origDispatchEvent.apply(this, arguments);
this.disabled = disabled;
},
get _patternRegExp() {
var pattern;
if (this.allowedPattern) {
pattern = new RegExp(this.allowedPattern);
} else {
switch (this.type) {
case 'number':
pattern = /[0-9.,e-]/;
break;
}
}
return pattern;
},
ready: function() {
this.bindValue = this.value;
},
/**
* @suppress {checkTypes}
*/
_bindValueChanged: function() {
if (this.value !== this.bindValue) {
this.value = !(this.bindValue || this.bindValue === 0 || this.bindValue === false) ? '' : this.bindValue;
}
// manually notify because we don't want to notify until after setting value
this.fire('bind-value-changed', {value: this.bindValue});
},
_allowedPatternChanged: function() {
// Force to prevent invalid input when an `allowed-pattern` is set
this.preventInvalidInput = this.allowedPattern ? true : false;
},
_onInput: function() {
// Need to validate each of the characters pasted if they haven't
// been validated inside `_onKeypress` already.
if (this.preventInvalidInput && !this._patternAlreadyChecked) {
var valid = this._checkPatternValidity();
if (!valid) {
this._announceInvalidCharacter('Invalid string of characters not entered.');
this.value = this._previousValidInput;
}
}
this.bindValue = this.value;
this._previousValidInput = this.value;
this._patternAlreadyChecked = false;
},
_isPrintable: function(event) {
// What a control/printable character is varies wildly based on the browser.
// - most control characters (arrows, backspace) do not send a `keypress` event
// in Chrome, but the *do* on Firefox
// - in Firefox, when they do send a `keypress` event, control chars have
// a charCode = 0, keyCode = xx (for ex. 40 for down arrow)
// - printable characters always send a keypress event.
// - in Firefox, printable chars always have a keyCode = 0. In Chrome, the keyCode
// always matches the charCode.
// None of this makes any sense.
// For these keys, ASCII code == browser keycode.
var anyNonPrintable =
(event.keyCode == 8) || // backspace
(event.keyCode == 9) || // tab
(event.keyCode == 13) || // enter
(event.keyCode == 27); // escape
// For these keys, make sure it's a browser keycode and not an ASCII code.
var mozNonPrintable =
(event.keyCode == 19) || // pause
(event.keyCode == 20) || // caps lock
(event.keyCode == 45) || // insert
(event.keyCode == 46) || // delete
(event.keyCode == 144) || // num lock
(event.keyCode == 145) || // scroll lock
(event.keyCode > 32 && event.keyCode < 41) || // page up/down, end, home, arrows
(event.keyCode > 111 && event.keyCode < 124); // fn keys
return !anyNonPrintable && !(event.charCode == 0 && mozNonPrintable);
},
_onKeypress: function(event) {
if (!this.preventInvalidInput && this.type !== 'number') {
return;
}
var regexp = this._patternRegExp;
if (!regexp) {
return;
}
// Handle special keys and backspace
if (event.metaKey || event.ctrlKey || event.altKey)
return;
// Check the pattern either here or in `_onInput`, but not in both.
this._patternAlreadyChecked = true;
var thisChar = String.fromCharCode(event.charCode);
if (this._isPrintable(event) && !regexp.test(thisChar)) {
event.preventDefault();
this._announceInvalidCharacter('Invalid character ' + thisChar + ' not entered.');
}
},
_checkPatternValidity: function() {
var regexp = this._patternRegExp;
if (!regexp) {
return true;
}
for (var i = 0; i < this.value.length; i++) {
if (!regexp.test(this.value[i])) {
return false;
}
}
return true;
},
/**
* Returns true if `value` is valid. The validator provided in `validator` will be used first,
* then any constraints.
* @return {boolean} True if the value is valid.
*/
validate: function() {
// First, check what the browser thinks. Some inputs (like type=number)
// behave weirdly and will set the value to "" if something invalid is
// entered, but will set the validity correctly.
var valid = this.checkValidity();
// Only do extra checking if the browser thought this was valid.
if (valid) {
// Empty, required input is invalid
if (this.required && this.value === '') {
valid = false;
} else if (this.hasValidator()) {
valid = Polymer.IronValidatableBehavior.validate.call(this, this.value);
}
}
this.invalid = !valid;
this.fire('iron-input-validate');
return valid;
},
_announceInvalidCharacter: function(message) {
this.fire('iron-announce', { text: message });
}
});
/*
The `iron-input-validate` event is fired whenever `validate()` is called.
@event iron-input-validate
*/
</script><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
// Generate unique, monotonically increasing IDs for labels (needed by
// aria-labelledby) and add-ons.
Polymer.PaperInputHelper = {};
Polymer.PaperInputHelper.NextLabelID = 1;
Polymer.PaperInputHelper.NextAddonID = 1;
/**
* Use `Polymer.PaperInputBehavior` to implement inputs with `<paper-input-container>`. This
* behavior is implemented by `<paper-input>`. It exposes a number of properties from
* `<paper-input-container>` and `<input is="iron-input">` and they should be bound in your
* template.
*
* The input element can be accessed by the `inputElement` property if you need to access
* properties or methods that are not exposed.
* @polymerBehavior Polymer.PaperInputBehavior
*/
Polymer.PaperInputBehaviorImpl = {
properties: {
/**
* Fired when the input changes due to user interaction.
*
* @event change
*/
/**
* The label for this input. If you're using PaperInputBehavior to
* implement your own paper-input-like element, bind this to
* `<label>`'s content and `hidden` property, e.g.
* `<label hidden$="[[!label]]">[[label]]</label>` in your `template`
*/
label: {
type: String
},
/**
* The value for this input. If you're using PaperInputBehavior to
* implement your own paper-input-like element, bind this to
* the `<input is="iron-input">`'s `bindValue`
* property, or the value property of your input that is `notify:true`.
*/
value: {
notify: true,
type: String
},
/**
* Set to true to disable this input. If you're using PaperInputBehavior to
* implement your own paper-input-like element, bind this to
* both the `<paper-input-container>`'s and the input's `disabled` property.
*/
disabled: {
type: Boolean,
value: false
},
/**
* Returns true if the value is invalid. If you're using PaperInputBehavior to
* implement your own paper-input-like element, bind this to both the
* `<paper-input-container>`'s and the input's `invalid` property.
*
* If `autoValidate` is true, the `invalid` attribute is managed automatically,
* which can clobber attempts to manage it manually.
*/
invalid: {
type: Boolean,
value: false,
notify: true
},
/**
* Set to true to prevent the user from entering invalid input. If you're
* using PaperInputBehavior to implement your own paper-input-like element,
* bind this to `<input is="iron-input">`'s `preventInvalidInput` property.
*/
preventInvalidInput: {
type: Boolean
},
/**
* Set this to specify the pattern allowed by `preventInvalidInput`. If
* you're using PaperInputBehavior to implement your own paper-input-like
* element, bind this to the `<input is="iron-input">`'s `allowedPattern`
* property.
*/
allowedPattern: {
type: String
},
/**
* The type of the input. The supported types are `text`, `number` and `password`.
* If you're using PaperInputBehavior to implement your own paper-input-like element,
* bind this to the `<input is="iron-input">`'s `type` property.
*/
type: {
type: String
},
/**
* The datalist of the input (if any). This should match the id of an existing `<datalist>`.
* If you're using PaperInputBehavior to implement your own paper-input-like
* element, bind this to the `<input is="iron-input">`'s `list` property.
*/
list: {
type: String
},
/**
* A pattern to validate the `input` with. If you're using PaperInputBehavior to
* implement your own paper-input-like element, bind this to
* the `<input is="iron-input">`'s `pattern` property.
*/
pattern: {
type: String
},
/**
* Set to true to mark the input as required. If you're using PaperInputBehavior to
* implement your own paper-input-like element, bind this to
* the `<input is="iron-input">`'s `required` property.
*/
required: {
type: Boolean,
value: false
},
/**
* The error message to display when the input is invalid. If you're using
* PaperInputBehavior to implement your own paper-input-like element,
* bind this to the `<paper-input-error>`'s content, if using.
*/
errorMessage: {
type: String
},
/**
* Set to true to show a character counter.
*/
charCounter: {
type: Boolean,
value: false
},
/**
* Set to true to disable the floating label. If you're using PaperInputBehavior to
* implement your own paper-input-like element, bind this to
* the `<paper-input-container>`'s `noLabelFloat` property.
*/
noLabelFloat: {
type: Boolean,
value: false
},
/**
* Set to true to always float the label. If you're using PaperInputBehavior to
* implement your own paper-input-like element, bind this to
* the `<paper-input-container>`'s `alwaysFloatLabel` property.
*/
alwaysFloatLabel: {
type: Boolean,
value: false
},
/**
* Set to true to auto-validate the input value. If you're using PaperInputBehavior to
* implement your own paper-input-like element, bind this to
* the `<paper-input-container>`'s `autoValidate` property.
*/
autoValidate: {
type: Boolean,
value: false
},
/**
* Name of the validator to use. If you're using PaperInputBehavior to
* implement your own paper-input-like element, bind this to
* the `<input is="iron-input">`'s `validator` property.
*/
validator: {
type: String
},
// HTMLInputElement attributes for binding if needed
/**
* If you're using PaperInputBehavior to implement your own paper-input-like
* element, bind this to the `<input is="iron-input">`'s `autocomplete` property.
*/
autocomplete: {
type: String,
value: 'off'
},
/**
* If you're using PaperInputBehavior to implement your own paper-input-like
* element, bind this to the `<input is="iron-input">`'s `autofocus` property.
*/
autofocus: {
type: Boolean,
observer: '_autofocusChanged'
},
/**
* If you're using PaperInputBehavior to implement your own paper-input-like
* element, bind this to the `<input is="iron-input">`'s `inputmode` property.
*/
inputmode: {
type: String
},
/**
* The minimum length of the input value.
* If you're using PaperInputBehavior to implement your own paper-input-like
* element, bind this to the `<input is="iron-input">`'s `minlength` property.
*/
minlength: {
type: Number
},
/**
* The maximum length of the input value.
* If you're using PaperInputBehavior to implement your own paper-input-like
* element, bind this to the `<input is="iron-input">`'s `maxlength` property.
*/
maxlength: {
type: Number
},
/**
* The minimum (numeric or date-time) input value.
* If you're using PaperInputBehavior to implement your own paper-input-like
* element, bind this to the `<input is="iron-input">`'s `min` property.
*/
min: {
type: String
},
/**
* The maximum (numeric or date-time) input value.
* Can be a String (e.g. `"2000-01-01"`) or a Number (e.g. `2`).
* If you're using PaperInputBehavior to implement your own paper-input-like
* element, bind this to the `<input is="iron-input">`'s `max` property.
*/
max: {
type: String
},
/**
* Limits the numeric or date-time increments.
* If you're using PaperInputBehavior to implement your own paper-input-like
* element, bind this to the `<input is="iron-input">`'s `step` property.
*/
step: {
type: String
},
/**
* If you're using PaperInputBehavior to implement your own paper-input-like
* element, bind this to the `<input is="iron-input">`'s `name` property.
*/
name: {
type: String
},
/**
* A placeholder string in addition to the label. If this is set, the label will always float.
*/
placeholder: {
type: String,
// need to set a default so _computeAlwaysFloatLabel is run
value: ''
},
/**
* If you're using PaperInputBehavior to implement your own paper-input-like
* element, bind this to the `<input is="iron-input">`'s `readonly` property.
*/
readonly: {
type: Boolean,
value: false
},
/**
* If you're using PaperInputBehavior to implement your own paper-input-like
* element, bind this to the `<input is="iron-input">`'s `size` property.
*/
size: {
type: Number
},
// Nonstandard attributes for binding if needed
/**
* If you're using PaperInputBehavior to implement your own paper-input-like
* element, bind this to the `<input is="iron-input">`'s `autocapitalize` property.
*/
autocapitalize: {
type: String,
value: 'none'
},
/**
* If you're using PaperInputBehavior to implement your own paper-input-like
* element, bind this to the `<input is="iron-input">`'s `autocorrect` property.
*/
autocorrect: {
type: String,
value: 'off'
},
/**
* If you're using PaperInputBehavior to implement your own paper-input-like
* element, bind this to the `<input is="iron-input">`'s `autosave` property,
* used with type=search.
*/
autosave: {
type: String
},
/**
* If you're using PaperInputBehavior to implement your own paper-input-like
* element, bind this to the `<input is="iron-input">`'s `results` property,
* used with type=search.
*/
results: {
type: Number
},
/**
* If you're using PaperInputBehavior to implement your own paper-input-like
* element, bind this to the `<input is="iron-input">`'s `accept` property,
* used with type=file.
*/
accept: {
type: String
},
/**
* If you're using PaperInputBehavior to implement your own paper-input-like
* element, bind this to the`<input is="iron-input">`'s `multiple` property,
* used with type=file.
*/
multiple: {
type: Boolean
},
_ariaDescribedBy: {
type: String,
value: ''
},
_ariaLabelledBy: {
type: String,
value: ''
}
},
listeners: {
'addon-attached': '_onAddonAttached',
},
keyBindings: {
'shift+tab:keydown': '_onShiftTabDown'
},
hostAttributes: {
tabindex: 0
},
/**
* Returns a reference to the input element.
*/
get inputElement() {
return this.$.input;
},
/**
* Returns a reference to the focusable element.
*/
get _focusableElement() {
return this.inputElement;
},
registered: function() {
// These types have some default placeholder text; overlapping
// the label on top of it looks terrible. Auto-float the label in this case.
this._typesThatHaveText = ["date", "datetime", "datetime-local", "month",
"time", "week", "file"];
},
attached: function() {
this._updateAriaLabelledBy();
if (this.inputElement &&
this._typesThatHaveText.indexOf(this.inputElement.type) !== -1) {
this.alwaysFloatLabel = true;
}
},
_appendStringWithSpace: function(str, more) {
if (str) {
str = str + ' ' + more;
} else {
str = more;
}
return str;
},
_onAddonAttached: function(event) {
var target = event.path ? event.path[0] : event.target;
if (target.id) {
this._ariaDescribedBy = this._appendStringWithSpace(this._ariaDescribedBy, target.id);
} else {
var id = 'paper-input-add-on-' + Polymer.PaperInputHelper.NextAddonID++;
target.id = id;
this._ariaDescribedBy = this._appendStringWithSpace(this._ariaDescribedBy, id);
}
},
/**
* Validates the input element and sets an error style if needed.
*
* @return {boolean}
*/
validate: function() {
return this.inputElement.validate();
},
/**
* Forward focus to inputElement. Overriden from IronControlState.
*/
_focusBlurHandler: function(event) {
Polymer.IronControlState._focusBlurHandler.call(this, event);
// Forward the focus to the nested input.
if (this.focused && !this._shiftTabPressed)
this._focusableElement.focus();
},
/**
* Handler that is called when a shift+tab keypress is detected by the menu.
*
* @param {CustomEvent} event A key combination event.
*/
_onShiftTabDown: function(event) {
var oldTabIndex = this.getAttribute('tabindex');
this._shiftTabPressed = true;
this.setAttribute('tabindex', '-1');
this.async(function() {
this.setAttribute('tabindex', oldTabIndex);
this._shiftTabPressed = false;
}, 1);
},
/**
* If `autoValidate` is true, then validates the element.
*/
_handleAutoValidate: function() {
if (this.autoValidate)
this.validate();
},
/**
* Restores the cursor to its original position after updating the value.
* @param {string} newValue The value that should be saved.
*/
updateValueAndPreserveCaret: function(newValue) {
// Not all elements might have selection, and even if they have the
// right properties, accessing them might throw an exception (like for
// <input type=number>)
try {
var start = this.inputElement.selectionStart;
this.value = newValue;
// The cursor automatically jumps to the end after re-setting the value,
// so restore it to its original position.
this.inputElement.selectionStart = start;
this.inputElement.selectionEnd = start;
} catch (e) {
// Just set the value and give up on the caret.
this.value = newValue;
}
},
_computeAlwaysFloatLabel: function(alwaysFloatLabel, placeholder) {
return placeholder || alwaysFloatLabel;
},
_updateAriaLabelledBy: function() {
var label = Polymer.dom(this.root).querySelector('label');
if (!label) {
this._ariaLabelledBy = '';
return;
}
var labelledBy;
if (label.id) {
labelledBy = label.id;
} else {
labelledBy = 'paper-input-label-' + Polymer.PaperInputHelper.NextLabelID++;
label.id = labelledBy;
}
this._ariaLabelledBy = labelledBy;
},
_onChange:function(event) {
// In the Shadow DOM, the `change` event is not leaked into the
// ancestor tree, so we must do this manually.
// See https://w3c.github.io/webcomponents/spec/shadow/#events-that-are-not-leaked-into-ancestor-trees.
if (this.shadowRoot) {
this.fire(event.type, {sourceEvent: event}, {
node: this,
bubbles: event.bubbles,
cancelable: event.cancelable
});
}
},
_autofocusChanged: function() {
// Firefox doesn't respect the autofocus attribute if it's applied after
// the page is loaded (Chrome/WebKit do respect it), preventing an
// autofocus attribute specified in markup from taking effect when the
// element is upgraded. As a workaround, if the autofocus property is set,
// and the focus hasn't already been moved elsewhere, we take focus.
if (this.autofocus && this._focusableElement) {
// In IE 11, the default document.activeElement can be the page's
// outermost html element, but there are also cases (under the
// polyfill?) in which the activeElement is not a real HTMLElement, but
// just a plain object. We identify the latter case as having no valid
// activeElement.
var activeElement = document.activeElement;
var isActiveElementValid = activeElement instanceof HTMLElement;
// Has some other element has already taken the focus?
var isSomeElementActive = isActiveElementValid &&
activeElement !== document.body &&
activeElement !== document.documentElement; /* IE 11 */
if (!isSomeElementActive) {
// No specific element has taken the focus yet, so we can take it.
this._focusableElement.focus();
}
}
}
};
/** @polymerBehavior */
Polymer.PaperInputBehavior = [
Polymer.IronControlState,
Polymer.IronA11yKeysBehavior,
Polymer.PaperInputBehaviorImpl
];
</script><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
`<paper-input-char-counter>` is a character counter for use with `<paper-input-container>`. It
shows the number of characters entered in the input and the max length if it is specified.
<paper-input-container>
<input is="iron-input" maxlength="20">
<paper-input-char-counter></paper-input-char-counter>
</paper-input-container>
### Styling
The following mixin is available for styling:
Custom property | Description | Default
----------------|-------------|----------
`--paper-input-char-counter` | Mixin applied to the element | `{}`
-->
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
/**
* Use `Polymer.PaperInputAddonBehavior` to implement an add-on for `<paper-input-container>`. A
* add-on appears below the input, and may display information based on the input value and
* validity such as a character counter or an error message.
* @polymerBehavior
*/
Polymer.PaperInputAddonBehavior = {
hostAttributes: {
'add-on': ''
},
attached: function() {
this.fire('addon-attached');
},
/**
* The function called by `<paper-input-container>` when the input value or validity changes.
* @param {{
* inputElement: (Element|undefined),
* value: (string|undefined),
* invalid: boolean
* }} state -
* inputElement: The input element.
* value: The input value.
* invalid: True if the input value is invalid.
*/
update: function(state) {
}
};
</script><dom-module id="paper-input-char-counter" assetpath="bower_components/paper-input/">
<template>
<style>
:host {
display: inline-block;
float: right;
@apply(--paper-font-caption);
@apply(--paper-input-char-counter);
}
:host([hidden]) {
display: none !important;
}
:host-context([dir="rtl"]) {
float: left;
}
</style>
<span>[[_charCounterStr]]</span>
</template>
</dom-module>
<script>
Polymer({
is: 'paper-input-char-counter',
behaviors: [
Polymer.PaperInputAddonBehavior
],
properties: {
_charCounterStr: {
type: String,
value: '0'
}
},
/**
* This overrides the update function in PaperInputAddonBehavior.
* @param {{
* inputElement: (Element|undefined),
* value: (string|undefined),
* invalid: boolean
* }} state -
* inputElement: The input element.
* value: The input value.
* invalid: True if the input value is invalid.
*/
update: function(state) {
if (!state.inputElement) {
return;
}
state.value = state.value || '';
var counter = state.value.toString().length.toString();
if (state.inputElement.hasAttribute('maxlength')) {
counter += '/' + state.inputElement.getAttribute('maxlength');
}
this._charCounterStr = counter;
}
});
</script>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
`<paper-input-container>` is a container for a `<label>`, an `<input is="iron-input">` or
`<textarea>` and optional add-on elements such as an error message or character
counter, used to implement Material Design text fields.
For example:
<paper-input-container>
<label>Your name</label>
<input is="iron-input">
</paper-input-container>
Do not wrap `<paper-input-container>` around elements that already include it, such as `<paper-input>`.
Doing so may cause events to bounce infintely between the container and its contained element.
### Listening for input changes
By default, it listens for changes on the `bind-value` attribute on its children nodes and perform
tasks such as auto-validating and label styling when the `bind-value` changes. You can configure
the attribute it listens to with the `attr-for-value` attribute.
### Using a custom input element
You can use a custom input element in a `<paper-input-container>`, for example to implement a
compound input field like a social security number input. The custom input element should have the
`paper-input-input` class, have a `notify:true` value property and optionally implements
`Polymer.IronValidatableBehavior` if it is validatable.
<paper-input-container attr-for-value="ssn-value">
<label>Social security number</label>
<ssn-input class="paper-input-input"></ssn-input>
</paper-input-container>
If you're using a `<paper-input-container>` imperatively, it's important to make sure
that you attach its children (the `iron-input` and the optional `label`) before you
attach the `<paper-input-container>` itself, so that it can be set up correctly.
### Validation
If the `auto-validate` attribute is set, the input container will validate the input and update
the container styling when the input value changes.
### Add-ons
Add-ons are child elements of a `<paper-input-container>` with the `add-on` attribute and
implements the `Polymer.PaperInputAddonBehavior` behavior. They are notified when the input value
or validity changes, and may implement functionality such as error messages or character counters.
They appear at the bottom of the input.
### Prefixes and suffixes
These are child elements of a `<paper-input-container>` with the `prefix`
or `suffix` attribute, and are displayed inline with the input, before or after.
<paper-input-container>
<div prefix>$</div>
<label>Total</label>
<input is="iron-input">
<paper-icon-button suffix icon="clear"></paper-icon-button>
</paper-input-container>
### Styling
The following custom properties and mixins are available for styling:
Custom property | Description | Default
----------------|-------------|----------
`--paper-input-container-color` | Label and underline color when the input is not focused | `--secondary-text-color`
`--paper-input-container-focus-color` | Label and underline color when the input is focused | `--primary-color`
`--paper-input-container-invalid-color` | Label and underline color when the input is is invalid | `--error-color`
`--paper-input-container-input-color` | Input foreground color | `--primary-text-color`
`--paper-input-container` | Mixin applied to the container | `{}`
`--paper-input-container-disabled` | Mixin applied to the container when it's disabled | `{}`
`--paper-input-container-label` | Mixin applied to the label | `{}`
`--paper-input-container-label-focus` | Mixin applied to the label when the input is focused | `{}`
`--paper-input-container-label-floating` | Mixin applied to the label when floating | `{}`
`--paper-input-container-input` | Mixin applied to the input | `{}`
`--paper-input-container-input-webkit-spinner` | Mixin applied to the webkit spinner | `{}`
`--paper-input-container-underline` | Mixin applied to the underline | `{}`
`--paper-input-container-underline-focus` | Mixin applied to the underline when the input is focused | `{}`
`--paper-input-container-underline-disabled` | Mixin applied to the underline when the input is disabled | `{}`
`--paper-input-prefix` | Mixin applied to the input prefix | `{}`
`--paper-input-suffix` | Mixin applied to the input suffix | `{}`
This element is `display:block` by default, but you can set the `inline` attribute to make it
`display:inline-block`.
-->
<dom-module id="paper-input-container" assetpath="bower_components/paper-input/">
<template>
<style>
:host {
display: block;
padding: 8px 0;
@apply(--paper-input-container);
}
:host([inline]) {
display: inline-block;
}
:host([disabled]) {
pointer-events: none;
opacity: 0.33;
@apply(--paper-input-container-disabled);
}
:host([hidden]) {
display: none !important;
}
.floated-label-placeholder {
@apply(--paper-font-caption);
}
.underline {
height: 2px;
position: relative;
}
.focused-line {
@apply(--layout-fit);
border-bottom: 2px solid var(--paper-input-container-focus-color, --primary-color);
-webkit-transform-origin: center center;
transform-origin: center center;
-webkit-transform: scale3d(0,1,1);
transform: scale3d(0,1,1);
@apply(--paper-input-container-underline-focus);
}
.underline.is-highlighted .focused-line {
-webkit-transform: none;
transform: none;
-webkit-transition: -webkit-transform 0.25s;
transition: transform 0.25s;
@apply(--paper-transition-easing);
}
.underline.is-invalid .focused-line {
border-color: var(--paper-input-container-invalid-color, --error-color);
-webkit-transform: none;
transform: none;
-webkit-transition: -webkit-transform 0.25s;
transition: transform 0.25s;
@apply(--paper-transition-easing);
}
.unfocused-line {
@apply(--layout-fit);
border-bottom: 1px solid var(--paper-input-container-color, --secondary-text-color);
@apply(--paper-input-container-underline);
}
:host([disabled]) .unfocused-line {
border-bottom: 1px dashed;
border-color: var(--paper-input-container-color, --secondary-text-color);
@apply(--paper-input-container-underline-disabled);
}
.label-and-input-container {
@apply(--layout-flex-auto);
@apply(--layout-relative);
width: 100%;
max-width: 100%;
}
.input-content {
@apply(--layout-horizontal);
@apply(--layout-center);
position: relative;
}
.input-content ::content label,
.input-content ::content .paper-input-label {
position: absolute;
top: 0;
right: 0;
left: 0;
width: 100%;
font: inherit;
color: var(--paper-input-container-color, --secondary-text-color);
-webkit-transition: -webkit-transform 0.25s, width 0.25s;
transition: transform 0.25s, width 0.25s;
-webkit-transform-origin: left top;
transform-origin: left top;
@apply(--paper-font-common-nowrap);
@apply(--paper-font-subhead);
@apply(--paper-input-container-label);
@apply(--paper-transition-easing);
}
.input-content.label-is-floating ::content label,
.input-content.label-is-floating ::content .paper-input-label {
-webkit-transform: translateY(-75%) scale(0.75);
transform: translateY(-75%) scale(0.75);
/* Since we scale to 75/100 of the size, we actually have 100/75 of the
original space now available */
width: 133%;
@apply(--paper-input-container-label-floating);
}
:host-context([dir="rtl"]) .input-content.label-is-floating ::content label,
:host-context([dir="rtl"]) .input-content.label-is-floating ::content .paper-input-label {
/* TODO(noms): Figure out why leaving the width at 133% before the animation
* actually makes
* it wider on the right side, not left side, as you would expect in RTL */
width: 100%;
-webkit-transform-origin: right top;
transform-origin: right top;
}
.input-content.label-is-highlighted ::content label,
.input-content.label-is-highlighted ::content .paper-input-label {
color: var(--paper-input-container-focus-color, --primary-color);
@apply(--paper-input-container-label-focus);
}
.input-content.is-invalid ::content label,
.input-content.is-invalid ::content .paper-input-label {
color: var(--paper-input-container-invalid-color, --error-color);
}
.input-content.label-is-hidden ::content label,
.input-content.label-is-hidden ::content .paper-input-label {
visibility: hidden;
}
.input-content ::content input,
.input-content ::content textarea,
.input-content ::content iron-autogrow-textarea,
.input-content ::content .paper-input-input {
position: relative; /* to make a stacking context */
outline: none;
box-shadow: none;
padding: 0;
width: 100%;
max-width: 100%;
background: transparent;
border: none;
color: var(--paper-input-container-input-color, --primary-text-color);
-webkit-appearance: none;
text-align: inherit;
vertical-align: bottom;
@apply(--paper-font-subhead);
@apply(--paper-input-container-input);
}
.input-content ::content input::-webkit-outer-spin-button,
.input-content ::content input::-webkit-inner-spin-button {
@apply(--paper-input-container-input-webkit-spinner);
}
::content [prefix] {
@apply(--paper-font-subhead);
@apply(--paper-input-prefix);
@apply(--layout-flex-none);
}
::content [suffix] {
@apply(--paper-font-subhead);
@apply(--paper-input-suffix);
@apply(--layout-flex-none);
}
/* Firefox sets a min-width on the input, which can cause layout issues */
.input-content ::content input {
min-width: 0;
}
.input-content ::content textarea {
resize: none;
}
.add-on-content {
position: relative;
}
.add-on-content.is-invalid ::content * {
color: var(--paper-input-container-invalid-color, --error-color);
}
.add-on-content.is-highlighted ::content * {
color: var(--paper-input-container-focus-color, --primary-color);
}
</style>
<template is="dom-if" if="[[!noLabelFloat]]">
<div class="floated-label-placeholder" aria-hidden="true"> </div>
</template>
<div class$="[[_computeInputContentClass(noLabelFloat,alwaysFloatLabel,focused,invalid,_inputHasContent)]]">
<content select="[prefix]" id="prefix"></content>
<div class="label-and-input-container" id="labelAndInputContainer">
<content select=":not([add-on]):not([prefix]):not([suffix])"></content>
</div>
<content select="[suffix]"></content>
</div>
<div class$="[[_computeUnderlineClass(focused,invalid)]]">
<div class="unfocused-line"></div>
<div class="focused-line"></div>
</div>
<div class$="[[_computeAddOnContentClass(focused,invalid)]]">
<content id="addOnContent" select="[add-on]"></content>
</div>
</template>
</dom-module>
<script>
Polymer({
is: 'paper-input-container',
properties: {
/**
* Set to true to disable the floating label. The label disappears when the input value is
* not null.
*/
noLabelFloat: {
type: Boolean,
value: false
},
/**
* Set to true to always float the floating label.
*/
alwaysFloatLabel: {
type: Boolean,
value: false
},
/**
* The attribute to listen for value changes on.
*/
attrForValue: {
type: String,
value: 'bind-value'
},
/**
* Set to true to auto-validate the input value when it changes.
*/
autoValidate: {
type: Boolean,
value: false
},
/**
* True if the input is invalid. This property is set automatically when the input value
* changes if auto-validating, or when the `iron-input-validate` event is heard from a child.
*/
invalid: {
observer: '_invalidChanged',
type: Boolean,
value: false
},
/**
* True if the input has focus.
*/
focused: {
readOnly: true,
type: Boolean,
value: false,
notify: true
},
_addons: {
type: Array
// do not set a default value here intentionally - it will be initialized lazily when a
// distributed child is attached, which may occur before configuration for this element
// in polyfill.
},
_inputHasContent: {
type: Boolean,
value: false
},
_inputSelector: {
type: String,
value: 'input,textarea,.paper-input-input'
},
_boundOnFocus: {
type: Function,
value: function() {
return this._onFocus.bind(this);
}
},
_boundOnBlur: {
type: Function,
value: function() {
return this._onBlur.bind(this);
}
},
_boundOnInput: {
type: Function,
value: function() {
return this._onInput.bind(this);
}
},
_boundValueChanged: {
type: Function,
value: function() {
return this._onValueChanged.bind(this);
}
}
},
listeners: {
'addon-attached': '_onAddonAttached',
'iron-input-validate': '_onIronInputValidate'
},
get _valueChangedEvent() {
return this.attrForValue + '-changed';
},
get _propertyForValue() {
return Polymer.CaseMap.dashToCamelCase(this.attrForValue);
},
get _inputElement() {
return Polymer.dom(this).querySelector(this._inputSelector);
},
get _inputElementValue() {
return this._inputElement[this._propertyForValue] || this._inputElement.value;
},
ready: function() {
if (!this._addons) {
this._addons = [];
}
this.addEventListener('focus', this._boundOnFocus, true);
this.addEventListener('blur', this._boundOnBlur, true);
},
attached: function() {
if (this.attrForValue) {
this._inputElement.addEventListener(this._valueChangedEvent, this._boundValueChanged);
} else {
this.addEventListener('input', this._onInput);
}
// Only validate when attached if the input already has a value.
if (this._inputElementValue != '') {
this._handleValueAndAutoValidate(this._inputElement);
} else {
this._handleValue(this._inputElement);
}
},
_onAddonAttached: function(event) {
if (!this._addons) {
this._addons = [];
}
var target = event.target;
if (this._addons.indexOf(target) === -1) {
this._addons.push(target);
if (this.isAttached) {
this._handleValue(this._inputElement);
}
}
},
_onFocus: function() {
this._setFocused(true);
},
_onBlur: function() {
this._setFocused(false);
this._handleValueAndAutoValidate(this._inputElement);
},
_onInput: function(event) {
this._handleValueAndAutoValidate(event.target);
},
_onValueChanged: function(event) {
this._handleValueAndAutoValidate(event.target);
},
_handleValue: function(inputElement) {
var value = this._inputElementValue;
// type="number" hack needed because this.value is empty until it's valid
if (value || value === 0 || (inputElement.type === 'number' && !inputElement.checkValidity())) {
this._inputHasContent = true;
} else {
this._inputHasContent = false;
}
this.updateAddons({
inputElement: inputElement,
value: value,
invalid: this.invalid
});
},
_handleValueAndAutoValidate: function(inputElement) {
if (this.autoValidate) {
var valid;
if (inputElement.validate) {
valid = inputElement.validate(this._inputElementValue);
} else {
valid = inputElement.checkValidity();
}
this.invalid = !valid;
}
// Call this last to notify the add-ons.
this._handleValue(inputElement);
},
_onIronInputValidate: function(event) {
this.invalid = this._inputElement.invalid;
},
_invalidChanged: function() {
if (this._addons) {
this.updateAddons({invalid: this.invalid});
}
},
/**
* Call this to update the state of add-ons.
* @param {Object} state Add-on state.
*/
updateAddons: function(state) {
for (var addon, index = 0; addon = this._addons[index]; index++) {
addon.update(state);
}
},
_computeInputContentClass: function(noLabelFloat, alwaysFloatLabel, focused, invalid, _inputHasContent) {
var cls = 'input-content';
if (!noLabelFloat) {
var label = this.querySelector('label');
if (alwaysFloatLabel || _inputHasContent) {
cls += ' label-is-floating';
// If the label is floating, ignore any offsets that may have been
// applied from a prefix element.
this.$.labelAndInputContainer.style.position = 'static';
if (invalid) {
cls += ' is-invalid';
} else if (focused) {
cls += " label-is-highlighted";
}
} else {
// When the label is not floating, it should overlap the input element.
if (label) {
this.$.labelAndInputContainer.style.position = 'relative';
}
}
} else {
if (_inputHasContent) {
cls += ' label-is-hidden';
}
}
return cls;
},
_computeUnderlineClass: function(focused, invalid) {
var cls = 'underline';
if (invalid) {
cls += ' is-invalid';
} else if (focused) {
cls += ' is-highlighted'
}
return cls;
},
_computeAddOnContentClass: function(focused, invalid) {
var cls = 'add-on-content';
if (invalid) {
cls += ' is-invalid';
} else if (focused) {
cls += ' is-highlighted'
}
return cls;
}
});
</script>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
`<paper-input-error>` is an error message for use with `<paper-input-container>`. The error is
displayed when the `<paper-input-container>` is `invalid`.
<paper-input-container>
<input is="iron-input" pattern="[0-9]*">
<paper-input-error>Only numbers are allowed!</paper-input-error>
</paper-input-container>
### Styling
The following custom properties and mixins are available for styling:
Custom property | Description | Default
----------------|-------------|----------
`--paper-input-container-invalid-color` | The foreground color of the error | `--error-color`
`--paper-input-error` | Mixin applied to the error | `{}`
-->
<dom-module id="paper-input-error" assetpath="bower_components/paper-input/">
<template>
<style>
:host {
display: inline-block;
visibility: hidden;
color: var(--paper-input-container-invalid-color, --error-color);
@apply(--paper-font-caption);
@apply(--paper-input-error);
position: absolute;
left:0;
right:0;
}
:host([invalid]) {
visibility: visible;
};
</style>
<content></content>
</template>
</dom-module>
<script>
Polymer({
is: 'paper-input-error',
behaviors: [
Polymer.PaperInputAddonBehavior
],
properties: {
/**
* True if the error is showing.
*/
invalid: {
readOnly: true,
reflectToAttribute: true,
type: Boolean
}
},
/**
* This overrides the update function in PaperInputAddonBehavior.
* @param {{
* inputElement: (Element|undefined),
* value: (string|undefined),
* invalid: boolean
* }} state -
* inputElement: The input element.
* value: The input value.
* invalid: True if the input value is invalid.
*/
update: function(state) {
this._setInvalid(state.invalid);
}
});
</script>
<dom-module id="paper-input" assetpath="bower_components/paper-input/">
<template>
<style>
:host {
display: block;
}
:host([focused]) {
outline: none;
}
:host([hidden]) {
display: none !important;
}
input::-webkit-input-placeholder {
color: var(--paper-input-container-color, --secondary-text-color);
}
input:-moz-placeholder {
color: var(--paper-input-container-color, --secondary-text-color);
}
input::-moz-placeholder {
color: var(--paper-input-container-color, --secondary-text-color);
}
input:-ms-input-placeholder {
color: var(--paper-input-container-color, --secondary-text-color);
}
label {
pointer-events: none;
}
</style>
<paper-input-container no-label-float="[[noLabelFloat]]" always-float-label="[[_computeAlwaysFloatLabel(alwaysFloatLabel,placeholder)]]" auto-validate$="[[autoValidate]]" disabled$="[[disabled]]" invalid="[[invalid]]">
<content select="[prefix]"></content>
<label hidden$="[[!label]]" aria-hidden="true" for="input">[[label]]</label>
<input is="iron-input" id="input" aria-labelledby$="[[_ariaLabelledBy]]" aria-describedby$="[[_ariaDescribedBy]]" disabled$="[[disabled]]" title$="[[title]]" bind-value="{{value}}" invalid="{{invalid}}" prevent-invalid-input="[[preventInvalidInput]]" allowed-pattern="[[allowedPattern]]" validator="[[validator]]" type$="[[type]]" pattern$="[[pattern]]" required$="[[required]]" autocomplete$="[[autocomplete]]" autofocus$="[[autofocus]]" inputmode$="[[inputmode]]" minlength$="[[minlength]]" maxlength$="[[maxlength]]" min$="[[min]]" max$="[[max]]" step$="[[step]]" name$="[[name]]" placeholder$="[[placeholder]]" readonly$="[[readonly]]" list$="[[list]]" size$="[[size]]" autocapitalize$="[[autocapitalize]]" autocorrect$="[[autocorrect]]" on-change="_onChange" tabindex$="[[tabindex]]" autosave$="[[autosave]]" results$="[[results]]" accept$="[[accept]]" multiple$="[[multiple]]">
<content select="[suffix]"></content>
<template is="dom-if" if="[[errorMessage]]">
<paper-input-error aria-live="assertive">[[errorMessage]]</paper-input-error>
</template>
<template is="dom-if" if="[[charCounter]]">
<paper-input-char-counter></paper-input-char-counter>
</template>
</paper-input-container>
</template>
</dom-module>
<script>
Polymer({
is: 'paper-input',
behaviors: [
Polymer.IronFormElementBehavior,
Polymer.PaperInputBehavior
]
});
</script>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
Material design: [Progress & activity](https://www.google.com/design/spec/components/progress-activity.html)
The progress bars are for situations where the percentage completed can be
determined. They give users a quick sense of how much longer an operation
will take.
Example:
<paper-progress value="10"></paper-progress>
There is also a secondary progress which is useful for displaying intermediate
progress, such as the buffer level during a streaming playback progress bar.
Example:
<paper-progress value="10" secondary-progress="30"></paper-progress>
### Styling progress bar:
To change the active progress bar color:
paper-progress {
--paper-progress-active-color: #e91e63;
}
To change the secondary progress bar color:
paper-progress {
--paper-progress-secondary-color: #f8bbd0;
}
To change the progress bar background color:
paper-progress {
--paper-progress-container-color: #64ffda;
}
Add the class `transiting` to a paper-progress to animate the progress bar when
the value changed. You can also customize the transition:
paper-progress {
--paper-progress-transition-duration: 0.08s;
--paper-progress-transition-timing-function: ease;
--paper-progress-transition-transition-delay: 0s;
}
To change the duration of the indeterminate cycle:
paper-progress {
--paper-progress-indeterminate-cycle-duration: 2s;
}
The following mixins are available for styling:
Custom property | Description | Default
-------------------------------------------------|---------------------------------------------|--------------
`--paper-progress-container` | Mixin applied to container | `{}`
`--paper-progress-transition-duration` | Duration of the transition | `0.008s`
`--paper-progress-transition-timing-function` | The timing function for the transition | `ease`
`--paper-progress-transition-delay` | delay for the transition | `0s`
`--paper-progress-container-color` | Color of the container | `--google-grey-300`
`--paper-progress-active-color` | The color of the active bar | `--google-green-500`
`--paper-progress-secondary-color` | The color of the secondary bar | `--google-green-100`
`--paper-progress-disabled-active-color` | The color of the active bar if disabled | `--google-grey-500`
`--paper-progress-disabled-secondary-color` | The color of the secondary bar if disabled | `--google-grey-300`
`--paper-progress-height` | The height of the progress bar | `4px`
`--paper-progress-indeterminate-cycle-duration` | Duration of an indeterminate cycle | `2s`
@group Paper Elements
@element paper-progress
@hero hero.svg
@demo demo/index.html
-->
<dom-module id="paper-progress" assetpath="bower_components/paper-progress/">
<template>
<style>
:host {
display: block;
width: 200px;
position: relative;
overflow: hidden;
}
:host([hidden]) {
display: none !important;
}
#progressContainer {
@apply(--paper-progress-container);
position: relative;
}
#progressContainer,
/* the stripe for the indeterminate animation*/
.indeterminate::after {
height: var(--paper-progress-height, 4px);
}
#primaryProgress,
#secondaryProgress,
.indeterminate::after {
@apply(--layout-fit);
}
#progressContainer,
.indeterminate::after {
background: var(--paper-progress-container-color, --google-grey-300);
}
:host(.transiting) #primaryProgress,
:host(.transiting) #secondaryProgress {
-webkit-transition-property: -webkit-transform;
transition-property: transform;
/* Duration */
-webkit-transition-duration: var(--paper-progress-transition-duration, 0.08s);
transition-duration: var(--paper-progress-transition-duration, 0.08s);
/* Timing function */
-webkit-transition-timing-function: var(--paper-progress-transition-timing-function, ease);
transition-timing-function: var(--paper-progress-transition-timing-function, ease);
/* Delay */
-webkit-transition-delay: var(--paper-progress-transition-delay, 0s);
transition-delay: var(--paper-progress-transition-delay, 0s);
}
#primaryProgress,
#secondaryProgress {
@apply(--layout-fit);
-webkit-transform-origin: left center;
transform-origin: left center;
-webkit-transform: scaleX(0);
transform: scaleX(0);
will-change: transform;
}
#primaryProgress {
background: var(--paper-progress-active-color, --google-green-500);
}
#secondaryProgress {
background: var(--paper-progress-secondary-color, --google-green-100);
}
:host([disabled]) #primaryProgress {
background: var(--paper-progress-disabled-active-color, --google-grey-500);
}
:host([disabled]) #secondaryProgress {
background: var(--paper-progress-disabled-secondary-color, --google-grey-300);
}
:host(:not([disabled])) #primaryProgress.indeterminate {
-webkit-transform-origin: right center;
transform-origin: right center;
-webkit-animation: indeterminate-bar var(--paper-progress-indeterminate-cycle-duration, 2s) linear infinite;
animation: indeterminate-bar var(--paper-progress-indeterminate-cycle-duration, 2s) linear infinite;
}
:host(:not([disabled])) #primaryProgress.indeterminate::after {
content: "";
-webkit-transform-origin: center center;
transform-origin: center center;
-webkit-animation: indeterminate-splitter var(--paper-progress-indeterminate-cycle-duration, 2s) linear infinite;
animation: indeterminate-splitter var(--paper-progress-indeterminate-cycle-duration, 2s) linear infinite;
}
@-webkit-keyframes indeterminate-bar {
0% {
-webkit-transform: scaleX(1) translateX(-100%);
}
50% {
-webkit-transform: scaleX(1) translateX(0%);
}
75% {
-webkit-transform: scaleX(1) translateX(0%);
-webkit-animation-timing-function: cubic-bezier(.28,.62,.37,.91);
}
100% {
-webkit-transform: scaleX(0) translateX(0%);
}
}
@-webkit-keyframes indeterminate-splitter {
0% {
-webkit-transform: scaleX(.75) translateX(-125%);
}
30% {
-webkit-transform: scaleX(.75) translateX(-125%);
-webkit-animation-timing-function: cubic-bezier(.42,0,.6,.8);
}
90% {
-webkit-transform: scaleX(.75) translateX(125%);
}
100% {
-webkit-transform: scaleX(.75) translateX(125%);
}
}
@keyframes indeterminate-bar {
0% {
transform: scaleX(1) translateX(-100%);
}
50% {
transform: scaleX(1) translateX(0%);
}
75% {
transform: scaleX(1) translateX(0%);
animation-timing-function: cubic-bezier(.28,.62,.37,.91);
}
100% {
transform: scaleX(0) translateX(0%);
}
}
@keyframes indeterminate-splitter {
0% {
transform: scaleX(.75) translateX(-125%);
}
30% {
transform: scaleX(.75) translateX(-125%);
animation-timing-function: cubic-bezier(.42,0,.6,.8);
}
90% {
transform: scaleX(.75) translateX(125%);
}
100% {
transform: scaleX(.75) translateX(125%);
}
}
</style>
<div id="progressContainer">
<div id="secondaryProgress" hidden$="[[_hideSecondaryProgress(secondaryRatio)]]"></div>
<div id="primaryProgress"></div>
</div>
</template>
</dom-module>
<script>
Polymer({
is: 'paper-progress',
behaviors: [
Polymer.IronRangeBehavior
],
properties: {
/**
* The number that represents the current secondary progress.
*/
secondaryProgress: {
type: Number,
value: 0
},
/**
* The secondary ratio
*/
secondaryRatio: {
type: Number,
value: 0,
readOnly: true
},
/**
* Use an indeterminate progress indicator.
*/
indeterminate: {
type: Boolean,
value: false,
observer: '_toggleIndeterminate'
},
/**
* True if the progress is disabled.
*/
disabled: {
type: Boolean,
value: false,
reflectToAttribute: true,
observer: '_disabledChanged'
}
},
observers: [
'_progressChanged(secondaryProgress, value, min, max)'
],
hostAttributes: {
role: 'progressbar'
},
_toggleIndeterminate: function(indeterminate) {
// If we use attribute/class binding, the animation sometimes doesn't translate properly
// on Safari 7.1. So instead, we toggle the class here in the update method.
this.toggleClass('indeterminate', indeterminate, this.$.primaryProgress);
},
_transformProgress: function(progress, ratio) {
var transform = 'scaleX(' + (ratio / 100) + ')';
progress.style.transform = progress.style.webkitTransform = transform;
},
_mainRatioChanged: function(ratio) {
this._transformProgress(this.$.primaryProgress, ratio);
},
_progressChanged: function(secondaryProgress, value, min, max) {
secondaryProgress = this._clampValue(secondaryProgress);
value = this._clampValue(value);
var secondaryRatio = this._calcRatio(secondaryProgress) * 100;
var mainRatio = this._calcRatio(value) * 100;
this._setSecondaryRatio(secondaryRatio);
this._transformProgress(this.$.secondaryProgress, secondaryRatio);
this._transformProgress(this.$.primaryProgress, mainRatio);
this.secondaryProgress = secondaryProgress;
this.setAttribute('aria-valuenow', value);
this.setAttribute('aria-valuemin', min);
this.setAttribute('aria-valuemax', max);
},
_disabledChanged: function(disabled) {
this.setAttribute('aria-disabled', disabled ? 'true' : 'false');
},
_hideSecondaryProgress: function(secondaryRatio) {
return secondaryRatio === 0;
}
});
</script>
<dom-module id="paper-slider" assetpath="bower_components/paper-slider/">
<template strip-whitespace="">
<style>
:host {
@apply(--layout);
@apply(--layout-justified);
@apply(--layout-center);
width: 200px;
cursor: default;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
--paper-progress-active-color: var(--paper-slider-active-color, --google-blue-700);
--paper-progress-secondary-color: var(--paper-slider-secondary-color, --google-blue-300);
--paper-progress-disabled-active-color: var(--paper-slider-disabled-active-color, --paper-grey-400);
--paper-progress-disabled-secondary-color: var(--paper-slider-disabled-secondary-color, --paper-grey-400);
--calculated-paper-slider-height: var(--paper-slider-height, 2px);
}
/* focus shows the ripple */
:host(:focus) {
outline: none;
}
#sliderContainer {
position: relative;
width: 100%;
height: calc(30px + var(--calculated-paper-slider-height));
margin-left: calc(15px + var(--calculated-paper-slider-height)/2);
margin-right: calc(15px + var(--calculated-paper-slider-height)/2);
}
#sliderContainer:focus {
outline: 0;
}
#sliderContainer.editable {
margin-top: 12px;
margin-bottom: 12px;
}
.bar-container {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
overflow: hidden;
}
.ring > .bar-container {
left: calc(5px + var(--calculated-paper-slider-height)/2);
transition: left 0.18s ease;
}
.ring.expand.dragging > .bar-container {
transition: none;
}
.ring.expand:not(.pin) > .bar-container {
left: calc(8px + var(--calculated-paper-slider-height)/2);
}
#sliderBar {
padding: 15px 0;
width: 100%;
background-color: var(--paper-slider-bar-color, transparent);
--paper-progress-container-color: var(--paper-slider-container-color, --paper-grey-400);
--paper-progress-height: var(--calculated-paper-slider-height);
}
.slider-markers {
position: absolute;
top: calc(14px + var(--paper-slider-height,2px)/2);
height: var(--calculated-paper-slider-height);
left: 0;
right: -1px;
box-sizing: border-box;
pointer-events: none;
@apply(--layout-horizontal);
}
.slider-marker {
@apply(--layout-flex);
}
.slider-markers::after,
.slider-marker::after {
content: "";
display: block;
margin-left: -1px;
width: 2px;
height: var(--calculated-paper-slider-height);
border-radius: 50%;
background-color: var(--paper-slider-markers-color, #000);
}
.slider-knob {
position: absolute;
left: 0;
top: 0;
margin-left: calc(-15px - var(--calculated-paper-slider-height)/2);
width: calc(30px + var(--calculated-paper-slider-height));
height: calc(30px + var(--calculated-paper-slider-height));
}
.transiting > .slider-knob {
transition: left 0.08s ease;
}
.slider-knob:focus {
outline: none;
}
.slider-knob.dragging {
transition: none;
}
.snaps > .slider-knob.dragging {
transition: -webkit-transform 0.08s ease;
transition: transform 0.08s ease;
}
.slider-knob-inner {
margin: 10px;
width: calc(100% - 20px);
height: calc(100% - 20px);
background-color: var(--paper-slider-knob-color, --google-blue-700);
border: 2px solid var(--paper-slider-knob-color, --google-blue-700);
border-radius: 50%;
-moz-box-sizing: border-box;
box-sizing: border-box;
transition-property: -webkit-transform, background-color, border;
transition-property: transform, background-color, border;
transition-duration: 0.18s;
transition-timing-function: ease;
}
.expand:not(.pin) > .slider-knob > .slider-knob-inner {
-webkit-transform: scale(1.5);
transform: scale(1.5);
}
.ring > .slider-knob > .slider-knob-inner {
background-color: var(--paper-slider-knob-start-color, transparent);
border: 2px solid var(--paper-slider-knob-start-border-color, --paper-grey-400);
}
.slider-knob-inner::before {
background-color: var(--paper-slider-pin-color, --google-blue-700);
}
.pin > .slider-knob > .slider-knob-inner::before {
content: "";
position: absolute;
top: 0;
left: 50%;
margin-left: -13px;
width: 26px;
height: 26px;
border-radius: 50% 50% 50% 0;
-webkit-transform: rotate(-45deg) scale(0) translate(0);
transform: rotate(-45deg) scale(0) translate(0);
}
.slider-knob-inner::before,
.slider-knob-inner::after {
transition: -webkit-transform .18s ease, background-color .18s ease;
transition: transform .18s ease, background-color .18s ease;
}
.pin.ring > .slider-knob > .slider-knob-inner::before {
background-color: var(--paper-slider-pin-start-color, --paper-grey-400);
}
.pin.expand > .slider-knob > .slider-knob-inner::before {
-webkit-transform: rotate(-45deg) scale(1) translate(17px, -17px);
transform: rotate(-45deg) scale(1) translate(17px, -17px);
}
.pin > .slider-knob > .slider-knob-inner::after {
content: attr(value);
position: absolute;
top: 0;
left: 50%;
margin-left: -16px;
width: 32px;
height: 26px;
text-align: center;
color: var(--paper-slider-font-color, #fff);
font-size: 10px;
-webkit-transform: scale(0) translate(0);
transform: scale(0) translate(0);
}
.pin.expand > .slider-knob > .slider-knob-inner::after {
-webkit-transform: scale(1) translate(0, -17px);
transform: scale(1) translate(0, -17px);
}
/* paper-input */
.slider-input {
width: 50px;
overflow: hidden;
--paper-input-container-input: {
text-align: center;
};
@apply(--paper-slider-input);
}
/* disabled state */
#sliderContainer.disabled {
pointer-events: none;
}
.disabled > .slider-knob > .slider-knob-inner {
background-color: var(--paper-slider-disabled-knob-color, --paper-grey-400);
border: 2px solid var(--paper-slider-disabled-knob-color, --paper-grey-400);
-webkit-transform: scale3d(0.75, 0.75, 1);
transform: scale3d(0.75, 0.75, 1);
}
.disabled.ring > .slider-knob > .slider-knob-inner {
background-color: var(--paper-slider-knob-start-color, transparent);
border: 2px solid var(--paper-slider-knob-start-border-color, --paper-grey-400);
}
paper-ripple {
color: var(--paper-slider-knob-color, --google-blue-700);
}
</style>
<div id="sliderContainer" class$="[[_getClassNames(disabled, pin, snaps, immediateValue, min, expand, dragging, transiting, editable)]]">
<div class="bar-container">
<paper-progress disabled$="[[disabled]]" id="sliderBar" aria-hidden="true" min="[[min]]" max="[[max]]" step="[[step]]" value="[[immediateValue]]" secondary-progress="[[secondaryProgress]]" on-down="_bardown" on-up="_resetKnob" on-track="_onTrack">
</paper-progress>
</div>
<template is="dom-if" if="[[snaps]]">
<div class="slider-markers">
<template is="dom-repeat" items="[[markers]]">
<div class="slider-marker"></div>
</template>
</div>
</template>
<div id="sliderKnob" class="slider-knob" on-down="_knobdown" on-up="_resetKnob" on-track="_onTrack" on-transitionend="_knobTransitionEnd">
<div class="slider-knob-inner" value$="[[immediateValue]]"></div>
</div>
</div>
<template is="dom-if" if="[[editable]]">
<paper-input id="input" type="number" step="[[step]]" min="[[min]]" max="[[max]]" class="slider-input" disabled$="[[disabled]]" value="[[immediateValue]]" on-change="_changeValue" on-keydown="_inputKeyDown" no-label-float="">
</paper-input>
</template>
</template>
<script>
Polymer({
is: 'paper-slider',
behaviors: [
Polymer.IronA11yKeysBehavior,
Polymer.IronFormElementBehavior,
Polymer.PaperInkyFocusBehavior,
Polymer.IronRangeBehavior
],
properties: {
/**
* If true, the slider thumb snaps to tick marks evenly spaced based
* on the `step` property value.
*/
snaps: {
type: Boolean,
value: false,
notify: true
},
/**
* If true, a pin with numeric value label is shown when the slider thumb
* is pressed. Use for settings for which users need to know the exact
* value of the setting.
*/
pin: {
type: Boolean,
value: false,
notify: true
},
/**
* The number that represents the current secondary progress.
*/
secondaryProgress: {
type: Number,
value: 0,
notify: true,
observer: '_secondaryProgressChanged'
},
/**
* If true, an input is shown and user can use it to set the slider value.
*/
editable: {
type: Boolean,
value: false
},
/**
* The immediate value of the slider. This value is updated while the user
* is dragging the slider.
*/
immediateValue: {
type: Number,
value: 0,
readOnly: true,
notify: true
},
/**
* The maximum number of markers
*/
maxMarkers: {
type: Number,
value: 0,
notify: true
},
/**
* If true, the knob is expanded
*/
expand: {
type: Boolean,
value: false,
readOnly: true
},
/**
* True when the user is dragging the slider.
*/
dragging: {
type: Boolean,
value: false,
readOnly: true
},
transiting: {
type: Boolean,
value: false,
readOnly: true
},
markers: {
type: Array,
readOnly: true,
value: function() {
return [];
}
},
},
observers: [
'_updateKnob(value, min, max, snaps, step)',
'_valueChanged(value)',
'_immediateValueChanged(immediateValue)',
'_updateMarkers(maxMarkers, min, max, snaps)'
],
hostAttributes: {
role: 'slider',
tabindex: 0
},
keyBindings: {
'left down pagedown home': '_decrementKey',
'right up pageup end': '_incrementKey'
},
/**
* Increases value by `step` but not above `max`.
* @method increment
*/
increment: function() {
this.value = this._clampValue(this.value + this.step);
},
/**
* Decreases value by `step` but not below `min`.
* @method decrement
*/
decrement: function() {
this.value = this._clampValue(this.value - this.step);
},
_updateKnob: function(value, min, max, snaps, step) {
this.setAttribute('aria-valuemin', min);
this.setAttribute('aria-valuemax', max);
this.setAttribute('aria-valuenow', value);
this._positionKnob(this._calcRatio(value));
},
_valueChanged: function() {
this.fire('value-change');
},
_immediateValueChanged: function() {
if (this.dragging) {
this.fire('immediate-value-change');
} else {
this.value = this.immediateValue;
}
},
_secondaryProgressChanged: function() {
this.secondaryProgress = this._clampValue(this.secondaryProgress);
},
_expandKnob: function() {
this._setExpand(true);
},
_resetKnob: function() {
this.cancelDebouncer('expandKnob');
this._setExpand(false);
},
_positionKnob: function(ratio) {
this._setImmediateValue(this._calcStep(this._calcKnobPosition(ratio)));
this._setRatio(this._calcRatio(this.immediateValue));
this.$.sliderKnob.style.left = (this.ratio * 100) + '%';
if (this.dragging) {
this._knobstartx = this.ratio * this._w;
this.translate3d(0, 0, 0, this.$.sliderKnob);
}
},
_calcKnobPosition: function(ratio) {
return (this.max - this.min) * ratio + this.min;
},
_onTrack: function(event) {
event.stopPropagation();
switch (event.detail.state) {
case 'start':
this._trackStart(event);
break;
case 'track':
this._trackX(event);
break;
case 'end':
this._trackEnd();
break;
}
},
_trackStart: function(event) {
this._w = this.$.sliderBar.offsetWidth;
this._x = this.ratio * this._w;
this._startx = this._x;
this._knobstartx = this._startx;
this._minx = - this._startx;
this._maxx = this._w - this._startx;
this.$.sliderKnob.classList.add('dragging');
this._setDragging(true);
},
_trackX: function(event) {
if (!this.dragging) {
this._trackStart(event);
}
var dx = Math.min(this._maxx, Math.max(this._minx, event.detail.dx));
this._x = this._startx + dx;
var immediateValue = this._calcStep(this._calcKnobPosition(this._x / this._w));
this._setImmediateValue(immediateValue);
// update knob's position
var translateX = ((this._calcRatio(this.immediateValue) * this._w) - this._knobstartx);
this.translate3d(translateX + 'px', 0, 0, this.$.sliderKnob);
},
_trackEnd: function() {
var s = this.$.sliderKnob.style;
this.$.sliderKnob.classList.remove('dragging');
this._setDragging(false);
this._resetKnob();
this.value = this.immediateValue;
s.transform = s.webkitTransform = '';
this.fire('change');
},
_knobdown: function(event) {
this._expandKnob();
// cancel selection
event.preventDefault();
// set the focus manually because we will called prevent default
this.focus();
},
_bardown: function(event) {
this._w = this.$.sliderBar.offsetWidth;
var rect = this.$.sliderBar.getBoundingClientRect();
var ratio = (event.detail.x - rect.left) / this._w;
var prevRatio = this.ratio;
this._setTransiting(true);
this._positionKnob(ratio);
this.debounce('expandKnob', this._expandKnob, 60);
// if the ratio doesn't change, sliderKnob's animation won't start
// and `_knobTransitionEnd` won't be called
// Therefore, we need to manually update the `transiting` state
if (prevRatio === this.ratio) {
this._setTransiting(false);
}
this.async(function() {
this.fire('change');
});
// cancel selection
event.preventDefault();
// set the focus manually because we will called prevent default
this.focus();
},
_knobTransitionEnd: function(event) {
if (event.target === this.$.sliderKnob) {
this._setTransiting(false);
}
},
_updateMarkers: function(maxMarkers, min, max, snaps) {
if (!snaps) {
this._setMarkers([]);
}
var steps = Math.round((max - min) / this.step);
if (steps > maxMarkers) {
steps = maxMarkers;
}
this._setMarkers(new Array(steps));
},
_mergeClasses: function(classes) {
return Object.keys(classes).filter(
function(className) {
return classes[className];
}).join(' ');
},
_getClassNames: function() {
return this._mergeClasses({
disabled: this.disabled,
pin: this.pin,
snaps: this.snaps,
ring: this.immediateValue <= this.min,
expand: this.expand,
dragging: this.dragging,
transiting: this.transiting,
editable: this.editable
});
},
_incrementKey: function(event) {
if (!this.disabled) {
if (event.detail.key === 'end') {
this.value = this.max;
} else {
this.increment();
}
this.fire('change');
event.preventDefault();
}
},
_decrementKey: function(event) {
if (!this.disabled) {
if (event.detail.key === 'home') {
this.value = this.min;
} else {
this.decrement();
}
this.fire('change');
event.preventDefault();
}
},
_changeValue: function(event) {
this.value = event.target.value;
this.fire('change');
},
_inputKeyDown: function(event) {
event.stopPropagation();
},
// create the element ripple inside the `sliderKnob`
_createRipple: function() {
this._rippleContainer = this.$.sliderKnob;
return Polymer.PaperInkyFocusBehaviorImpl._createRipple.call(this);
},
// Hide the ripple when user is not interacting with keyboard.
// This behavior is different from other ripple-y controls, but is
// according to spec: https://www.google.com/design/spec/components/sliders.html
_focusedChanged: function(receivedFocusFromKeyboard) {
if (receivedFocusFromKeyboard) {
this.ensureRipple();
}
if (this.hasRipple()) {
// note, ripple must be un-hidden prior to setting `holdDown`
if (receivedFocusFromKeyboard) {
this._ripple.style.display = '';
} else {
this._ripple.style.display = 'none';
}
this._ripple.holdDown = receivedFocusFromKeyboard;
}
}
});
/**
* Fired when the slider's value changes.
*
* @event value-change
*/
/**
* Fired when the slider's immediateValue changes. Only occurs while the
* user is dragging.
*
* To detect changes to immediateValue that happen for any input (i.e.
* dragging, tapping, clicking, etc.) listen for immediate-value-changed
* instead.
*
* @event immediate-value-change
*/
/**
* Fired when the slider's value changes due to user interaction.
*
* Changes to the slider's value due to changes in an underlying
* bound variable will not trigger this event.
*
* @event change
*/
</script>
</dom-module>
<!--
@license
Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
Material design: [Checkbox](https://www.google.com/design/spec/components/selection-controls.html#selection-controls-checkbox)
`paper-checkbox` is a button that can be either checked or unchecked. User
can tap the checkbox to check or uncheck it. Usually you use checkboxes
to allow user to select multiple options from a set. If you have a single
ON/OFF option, avoid using a single checkbox and use `paper-toggle-button`
instead.
Example:
<paper-checkbox>label</paper-checkbox>
<paper-checkbox checked> label</paper-checkbox>
### Styling
The following custom properties and mixins are available for styling:
Custom property | Description | Default
----------------|-------------|----------
`--paper-checkbox-unchecked-background-color` | Checkbox background color when the input is not checked | `transparent`
`--paper-checkbox-unchecked-color` | Checkbox border color when the input is not checked | `--primary-text-color`
`--paper-checkbox-unchecked-ink-color` | Selected/focus ripple color when the input is not checked | `--primary-text-color`
`--paper-checkbox-checked-color` | Checkbox color when the input is checked | `--primary-color`
`--paper-checkbox-checked-ink-color` | Selected/focus ripple color when the input is checked | `--primary-color`
`--paper-checkbox-checkmark-color` | Checkmark color | `white`
`--paper-checkbox-label-color` | Label color | `--primary-text-color`
`--paper-checkbox-label-checked-color` | Label color when the input is checked | `--paper-checkbox-label-color`
`--paper-checkbox-label-spacing` | Spacing between the label and the checkbox | `8px`
`--paper-checkbox-label` | Mixin applied to the label | `{}`
`--paper-checkbox-label-checked` | Mixin applied to the label when the input is checked | `{}`
`--paper-checkbox-error-color` | Checkbox color when invalid | `--error-color`
`--paper-checkbox-size` | Size of the checkbox | `18px`
`--paper-checkbox-ink-size` | Size of the ripple | `48px`
`--paper-checkbox-margin` | Margin around the checkbox container | `initial`
`--paper-checkbox-vertical-align` | Vertical alignment of the checkbox container | `middle`
This element applies the mixin `--paper-font-common-base` but does not import `paper-styles/typography.html`.
In order to apply the `Roboto` font to this element, make sure you've imported `paper-styles/typography.html`.
@demo demo/index.html
-->
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
/**
* Use `Polymer.IronCheckedElementBehavior` to implement a custom element
* that has a `checked` property, which can be used for validation if the
* element is also `required`. Element instances implementing this behavior
* will also be registered for use in an `iron-form` element.
*
* @demo demo/index.html
* @polymerBehavior Polymer.IronCheckedElementBehavior
*/
Polymer.IronCheckedElementBehaviorImpl = {
properties: {
/**
* Fired when the checked state changes.
*
* @event iron-change
*/
/**
* Gets or sets the state, `true` is checked and `false` is unchecked.
*/
checked: {
type: Boolean,
value: false,
reflectToAttribute: true,
notify: true,
observer: '_checkedChanged'
},
/**
* If true, the button toggles the active state with each tap or press
* of the spacebar.
*/
toggles: {
type: Boolean,
value: true,
reflectToAttribute: true
},
/* Overriden from Polymer.IronFormElementBehavior */
value: {
type: String,
value: 'on',
observer: '_valueChanged'
}
},
observers: [
'_requiredChanged(required)'
],
created: function() {
// Used by `iron-form` to handle the case that an element with this behavior
// doesn't have a role of 'checkbox' or 'radio', but should still only be
// included when the form is serialized if `this.checked === true`.
this._hasIronCheckedElementBehavior = true;
},
/**
* Returns false if the element is required and not checked, and true otherwise.
* @param {*=} _value Ignored.
* @return {boolean} true if `required` is false or if `checked` is true.
*/
_getValidity: function(_value) {
return this.disabled || !this.required || this.checked;
},
/**
* Update the aria-required label when `required` is changed.
*/
_requiredChanged: function() {
if (this.required) {
this.setAttribute('aria-required', 'true');
} else {
this.removeAttribute('aria-required');
}
},
/**
* Fire `iron-changed` when the checked state changes.
*/
_checkedChanged: function() {
this.active = this.checked;
this.fire('iron-change');
},
/**
* Reset value to 'on' if it is set to `undefined`.
*/
_valueChanged: function() {
if (this.value === undefined || this.value === null) {
this.value = 'on';
}
}
};
/** @polymerBehavior Polymer.IronCheckedElementBehavior */
Polymer.IronCheckedElementBehavior = [
Polymer.IronFormElementBehavior,
Polymer.IronValidatableBehavior,
Polymer.IronCheckedElementBehaviorImpl
];
</script><script>
/**
* Use `Polymer.PaperCheckedElementBehavior` to implement a custom element
* that has a `checked` property similar to `Polymer.IronCheckedElementBehavior`
* and is compatible with having a ripple effect.
* @polymerBehavior Polymer.PaperCheckedElementBehavior
*/
Polymer.PaperCheckedElementBehaviorImpl = {
/**
* Synchronizes the element's checked state with its ripple effect.
*/
_checkedChanged: function() {
Polymer.IronCheckedElementBehaviorImpl._checkedChanged.call(this);
if (this.hasRipple()) {
if (this.checked) {
this._ripple.setAttribute('checked', '');
} else {
this._ripple.removeAttribute('checked');
}
}
},
/**
* Synchronizes the element's `active` and `checked` state.
*/
_buttonStateChanged: function() {
Polymer.PaperRippleBehavior._buttonStateChanged.call(this);
if (this.disabled) {
return;
}
if (this.isAttached) {
this.checked = this.active;
}
}
};
/** @polymerBehavior Polymer.PaperCheckedElementBehavior */
Polymer.PaperCheckedElementBehavior = [
Polymer.PaperInkyFocusBehavior,
Polymer.IronCheckedElementBehavior,
Polymer.PaperCheckedElementBehaviorImpl
];
</script><dom-module id="paper-checkbox" assetpath="bower_components/paper-checkbox/">
<template strip-whitespace="">
<style>
:host {
display: inline-block;
white-space: nowrap;
cursor: pointer;
--calculated-paper-checkbox-size: var(--paper-checkbox-size, 18px);
/* -1px is a sentinel for the default and is replaced in `attached`. */
--calculated-paper-checkbox-ink-size: var(--paper-checkbox-ink-size, -1px);
@apply(--paper-font-common-base);
line-height: 0;
-webkit-tap-highlight-color: transparent;
}
:host([hidden]) {
display: none !important;
}
:host(:focus) {
outline: none;
}
.hidden {
display: none;
}
#checkboxContainer {
display: inline-block;
position: relative;
width: var(--calculated-paper-checkbox-size);
height: var(--calculated-paper-checkbox-size);
min-width: var(--calculated-paper-checkbox-size);
margin: var(--paper-checkbox-margin, initial);
vertical-align: var(--paper-checkbox-vertical-align, middle);
background-color: var(--paper-checkbox-unchecked-background-color, transparent);
}
#ink {
position: absolute;
/* Center the ripple in the checkbox by negative offsetting it by
* (inkWidth - rippleWidth) / 2 */
top: calc(0px - (var(--calculated-paper-checkbox-ink-size) - var(--calculated-paper-checkbox-size)) / 2);
left: calc(0px - (var(--calculated-paper-checkbox-ink-size) - var(--calculated-paper-checkbox-size)) / 2);
width: var(--calculated-paper-checkbox-ink-size);
height: var(--calculated-paper-checkbox-ink-size);
color: var(--paper-checkbox-unchecked-ink-color, var(--primary-text-color));
opacity: 0.6;
pointer-events: none;
}
:host-context([dir="rtl"]) #ink {
right: calc(0px - (var(--calculated-paper-checkbox-ink-size) - var(--calculated-paper-checkbox-size)) / 2);
left: auto;
}
#ink[checked] {
color: var(--paper-checkbox-checked-ink-color, var(--primary-color));
}
#checkbox {
position: relative;
box-sizing: border-box;
height: 100%;
border: solid 2px;
border-color: var(--paper-checkbox-unchecked-color, var(--primary-text-color));
border-radius: 2px;
pointer-events: none;
-webkit-transition: background-color 140ms, border-color 140ms;
transition: background-color 140ms, border-color 140ms;
}
/* checkbox checked animations */
#checkbox.checked #checkmark {
-webkit-animation: checkmark-expand 140ms ease-out forwards;
animation: checkmark-expand 140ms ease-out forwards;
}
@-webkit-keyframes checkmark-expand {
0% {
-webkit-transform: scale(0, 0) rotate(45deg);
}
100% {
-webkit-transform: scale(1, 1) rotate(45deg);
}
}
@keyframes checkmark-expand {
0% {
transform: scale(0, 0) rotate(45deg);
}
100% {
transform: scale(1, 1) rotate(45deg);
}
}
#checkbox.checked {
background-color: var(--paper-checkbox-checked-color, var(--primary-color));
border-color: var(--paper-checkbox-checked-color, var(--primary-color));
}
#checkmark {
position: absolute;
width: 36%;
height: 70%;
border-style: solid;
border-top: none;
border-left: none;
border-right-width: calc(2/15 * var(--calculated-paper-checkbox-size));
border-bottom-width: calc(2/15 * var(--calculated-paper-checkbox-size));
border-color: var(--paper-checkbox-checkmark-color, white);
-webkit-transform-origin: 97% 86%;
transform-origin: 97% 86%;
box-sizing: content-box; /* protect against page-level box-sizing */
}
:host-context([dir="rtl"]) #checkmark {
-webkit-transform-origin: 50% 14%;
transform-origin: 50% 14%;
}
/* label */
#checkboxLabel {
position: relative;
display: inline-block;
vertical-align: middle;
padding-left: var(--paper-checkbox-label-spacing, 8px);
white-space: normal;
line-height: normal;
color: var(--paper-checkbox-label-color, var(--primary-text-color));
@apply(--paper-checkbox-label);
}
:host([checked]) #checkboxLabel {
color: var(--paper-checkbox-label-checked-color, var(--paper-checkbox-label-color, var(--primary-text-color)));
@apply(--paper-checkbox-label-checked);
}
:host-context([dir="rtl"]) #checkboxLabel {
padding-right: var(--paper-checkbox-label-spacing, 8px);
padding-left: 0;
}
#checkboxLabel[hidden] {
display: none;
}
/* disabled state */
:host([disabled]) #checkbox {
opacity: 0.5;
border-color: var(--paper-checkbox-unchecked-color, var(--primary-text-color));
}
:host([disabled][checked]) #checkbox {
background-color: var(--paper-checkbox-unchecked-color, var(--primary-text-color));
opacity: 0.5;
}
:host([disabled]) #checkboxLabel {
opacity: 0.65;
}
/* invalid state */
#checkbox.invalid:not(.checked) {
border-color: var(--paper-checkbox-error-color, var(--error-color));
}
</style>
<div id="checkboxContainer">
<div id="checkbox" class$="[[_computeCheckboxClass(checked, invalid)]]">
<div id="checkmark" class$="[[_computeCheckmarkClass(checked)]]"></div>
</div>
</div>
<div id="checkboxLabel"><content></content></div>
</template>
<script>
Polymer({
is: 'paper-checkbox',
behaviors: [
Polymer.PaperCheckedElementBehavior
],
hostAttributes: {
role: 'checkbox',
'aria-checked': false,
tabindex: 0
},
properties: {
/**
* Fired when the checked state changes due to user interaction.
*
* @event change
*/
/**
* Fired when the checked state changes.
*
* @event iron-change
*/
ariaActiveAttribute: {
type: String,
value: 'aria-checked'
}
},
attached: function() {
var inkSize = this.getComputedStyleValue('--calculated-paper-checkbox-ink-size').trim();
// If unset, compute and set the default `--paper-checkbox-ink-size`.
if (inkSize === '-1px') {
var checkboxSize = parseFloat(this.getComputedStyleValue('--calculated-paper-checkbox-size').trim());
var defaultInkSize = Math.floor((8 / 3) * checkboxSize);
// The checkbox and ripple need to have the same parity so that their
// centers align.
if (defaultInkSize % 2 !== checkboxSize % 2) {
defaultInkSize++;
}
this.customStyle['--paper-checkbox-ink-size'] = defaultInkSize + 'px';
this.updateStyles();
}
},
_computeCheckboxClass: function(checked, invalid) {
var className = '';
if (checked) {
className += 'checked ';
}
if (invalid) {
className += 'invalid';
}
return className;
},
_computeCheckmarkClass: function(checked) {
return checked ? '' : 'hidden';
},
// create ripple inside the checkboxContainer
_createRipple: function() {
this._rippleContainer = this.$.checkboxContainer;
return Polymer.PaperInkyFocusBehaviorImpl._createRipple.call(this);
}
});
</script>
</dom-module>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
Material design: [Switch](https://www.google.com/design/spec/components/selection-controls.html#selection-controls-switch)
`paper-toggle-button` provides a ON/OFF switch that user can toggle the state
by tapping or by dragging the switch.
Example:
<paper-toggle-button></paper-toggle-button>
### Styling
The following custom properties and mixins are available for styling:
Custom property | Description | Default
----------------|-------------|----------
`--paper-toggle-button-unchecked-bar-color` | Slider color when the input is not checked | `#000000`
`--paper-toggle-button-unchecked-button-color` | Button color when the input is not checked | `--paper-grey-50`
`--paper-toggle-button-unchecked-ink-color` | Selected/focus ripple color when the input is not checked | `--dark-primary-color`
`--paper-toggle-button-checked-bar-color` | Slider button color when the input is checked | `--primary-color`
`--paper-toggle-button-checked-button-color` | Button color when the input is checked | `--primary-color`
`--paper-toggle-button-checked-ink-color` | Selected/focus ripple color when the input is checked | `--primary-color`
`--paper-toggle-button-invalid-bar-color` | Slider button color when the input is invalid | `--error-color`
`--paper-toggle-button-invalid-button-color` | Button color when the input is invalid | `--error-color`
`--paper-toggle-button-invalid-ink-color` | Selected/focus ripple color when the input is invalid | `--error-color`
`--paper-toggle-button-unchecked-bar` | Mixin applied to the slider when the input is not checked | `{}`
`--paper-toggle-button-unchecked-button` | Mixin applied to the slider button when the input is not checked | `{}`
`--paper-toggle-button-unchecked-ink` | Mixin applied to the ripple when the input is not checked | `{}`
`--paper-toggle-button-checked-bar` | Mixin applied to the slider when the input is checked | `{}`
`--paper-toggle-button-checked-button` | Mixin applied to the slider button when the input is checked | `{}`
`--paper-toggle-button-checked-ink` | Mixin applied to the ripple when the input is checked | `{}`
`--paper-toggle-button-label-color` | Label color | `--primary-text-color`
`--paper-toggle-button-label-spacing` | Spacing between the label and the button | `8px`
This element applies the mixin `--paper-font-common-base` but does not import `paper-styles/typography.html`.
In order to apply the `Roboto` font to this element, make sure you've imported `paper-styles/typography.html`.
@group Paper Elements
@element paper-toggle-button
@hero hero.svg
@demo demo/index.html
-->
<dom-module id="paper-toggle-button" assetpath="bower_components/paper-toggle-button/">
<template strip-whitespace="">
<style>
:host {
display: inline-block;
@apply(--layout-horizontal);
@apply(--layout-center);
@apply(--paper-font-common-base);
}
:host([disabled]) {
pointer-events: none;
}
:host(:focus) {
outline:none;
}
.toggle-bar {
position: absolute;
height: 100%;
width: 100%;
border-radius: 8px;
pointer-events: none;
opacity: 0.4;
transition: background-color linear .08s;
background-color: var(--paper-toggle-button-unchecked-bar-color, #000000);
@apply(--paper-toggle-button-unchecked-bar);
}
.toggle-button {
position: absolute;
top: -3px;
left: 0;
height: 20px;
width: 20px;
border-radius: 50%;
box-shadow: 0 1px 5px 0 rgba(0, 0, 0, 0.6);
transition: -webkit-transform linear .08s, background-color linear .08s;
transition: transform linear .08s, background-color linear .08s;
will-change: transform;
background-color: var(--paper-toggle-button-unchecked-button-color, --paper-grey-50);
@apply(--paper-toggle-button-unchecked-button);
}
.toggle-button.dragging {
-webkit-transition: none;
transition: none;
}
:host([checked]:not([disabled])) .toggle-bar {
opacity: 0.5;
background-color: var(--paper-toggle-button-checked-bar-color, --primary-color);
@apply(--paper-toggle-button-checked-bar);
}
:host([disabled]) .toggle-bar {
background-color: #000;
opacity: 0.12;
}
:host([checked]) .toggle-button {
-webkit-transform: translate(16px, 0);
transform: translate(16px, 0);
}
:host([checked]:not([disabled])) .toggle-button {
background-color: var(--paper-toggle-button-checked-button-color, --primary-color);
@apply(--paper-toggle-button-checked-button);
}
:host([disabled]) .toggle-button {
background-color: #bdbdbd;
opacity: 1;
}
.toggle-ink {
position: absolute;
top: -14px;
left: -14px;
right: auto;
bottom: auto;
width: 48px;
height: 48px;
opacity: 0.5;
pointer-events: none;
color: var(--paper-toggle-button-unchecked-ink-color, --primary-text-color);
@apply(--paper-toggle-button-unchecked-ink);
}
:host([checked]) .toggle-ink {
color: var(--paper-toggle-button-checked-ink-color, --primary-color);
@apply(--paper-toggle-button-checked-ink);
}
.toggle-container {
display: inline-block;
position: relative;
width: 36px;
height: 14px;
/* The toggle button has an absolute position of -3px; The extra 1px
/* accounts for the toggle button shadow box. */
margin: 4px 1px;
}
.toggle-label {
position: relative;
display: inline-block;
vertical-align: middle;
padding-left: var(--paper-toggle-button-label-spacing, 8px);
pointer-events: none;
color: var(--paper-toggle-button-label-color, --primary-text-color);
}
/* invalid state */
:host([invalid]) .toggle-bar {
background-color: var(--paper-toggle-button-invalid-bar-color, --error-color);
}
:host([invalid]) .toggle-button {
background-color: var(--paper-toggle-button-invalid-button-color, --error-color);
}
:host([invalid]) .toggle-ink {
color: var(--paper-toggle-button-invalid-ink-color, --error-color);
}
</style>
<div class="toggle-container">
<div id="toggleBar" class="toggle-bar"></div>
<div id="toggleButton" class="toggle-button"></div>
</div>
<div class="toggle-label"><content></content></div>
</template>
<script>
Polymer({
is: 'paper-toggle-button',
behaviors: [
Polymer.PaperCheckedElementBehavior
],
hostAttributes: {
role: 'button',
'aria-pressed': 'false',
tabindex: 0
},
properties: {
/**
* Fired when the checked state changes due to user interaction.
*
* @event change
*/
/**
* Fired when the checked state changes.
*
* @event iron-change
*/
},
listeners: {
track: '_ontrack'
},
attached: function() {
Polymer.RenderStatus.afterNextRender(this, function() {
this.setScrollDirection('y');
});
},
_ontrack: function(event) {
var track = event.detail;
if (track.state === 'start') {
this._trackStart(track);
} else if (track.state === 'track') {
this._trackMove(track);
} else if (track.state === 'end') {
this._trackEnd(track);
}
},
_trackStart: function(track) {
this._width = this.$.toggleBar.offsetWidth / 2;
/*
* keep an track-only check state to keep the dragging behavior smooth
* while toggling activations
*/
this._trackChecked = this.checked;
this.$.toggleButton.classList.add('dragging');
},
_trackMove: function(track) {
var dx = track.dx;
this._x = Math.min(this._width,
Math.max(0, this._trackChecked ? this._width + dx : dx));
this.translate3d(this._x + 'px', 0, 0, this.$.toggleButton);
this._userActivate(this._x > (this._width / 2));
},
_trackEnd: function(track) {
this.$.toggleButton.classList.remove('dragging');
this.transform('', this.$.toggleButton);
},
// customize the element's ripple
_createRipple: function() {
this._rippleContainer = this.$.toggleButton;
var ripple = Polymer.PaperRippleBehavior._createRipple();
ripple.id = 'ink';
ripple.setAttribute('recenters', '');
ripple.classList.add('circle', 'toggle-ink');
return ripple;
}
});
</script>
</dom-module>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
Material design: [Menus](https://www.google.com/design/spec/components/menus.html)
`<paper-listbox>` implements an accessible listbox control with Material Design styling. The focused item
is highlighted, and the selected item has bolded text.
<paper-listbox>
<paper-item>Item 1</paper-item>
<paper-item>Item 2</paper-item>
</paper-listbox>
An initial selection can be specified with the `selected` attribute.
<paper-listbox selected="0">
<paper-item>Item 1</paper-item>
<paper-item>Item 2</paper-item>
</paper-listbox>
Make a multi-select listbox with the `multi` attribute. Items in a multi-select listbox can be deselected,
and multiple item can be selected.
<paper-listbox multi>
<paper-item>Item 1</paper-item>
<paper-item>Item 2</paper-item>
</paper-listbox>
### Styling
The following custom properties and mixins are available for styling:
Custom property | Description | Default
----------------|-------------|----------
`--paper-listbox-background-color` | Menu background color | `--primary-background-color`
`--paper-listbox-color` | Menu foreground color | `--primary-text-color`
`--paper-listbox` | Mixin applied to the listbox | `{}`
### Accessibility
`<paper-listbox>` has `role="listbox"` by default. A multi-select listbox will also have
`aria-multiselectable` set. It implements key bindings to navigate through the listbox with the up and
down arrow keys, esc to exit the listbox, and enter to activate a listbox item. Typing the first letter
of a listbox item will also focus it.
@group Paper Elements
@element paper-listbox
@hero hero.svg
@demo demo/index.html
-->
<dom-module id="paper-listbox" assetpath="bower_components/paper-listbox/">
<template>
<style>
:host {
display: block;
padding: 8px 0;
background: var(--paper-listbox-background-color, --primary-background-color);
color: var(--paper-listbox-color, --primary-text-color);
@apply(--paper-listbox);
}
</style>
<content></content>
</template>
<script>
(function() {
Polymer({
is: 'paper-listbox',
behaviors: [
Polymer.IronMenuBehavior
],
hostAttributes: {
role: 'listbox'
}
});
})();
</script>
</dom-module>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
Material design: [Dropdown menus](https://www.google.com/design/spec/components/buttons.html#buttons-dropdown-buttons)
`paper-dropdown-menu` is similar to a native browser select element.
`paper-dropdown-menu` works with selectable content. The currently selected
item is displayed in the control. If no item is selected, the `label` is
displayed instead.
Example:
<paper-dropdown-menu label="Your favourite pastry">
<paper-listbox class="dropdown-content">
<paper-item>Croissant</paper-item>
<paper-item>Donut</paper-item>
<paper-item>Financier</paper-item>
<paper-item>Madeleine</paper-item>
</paper-listbox>
</paper-dropdown-menu>
This example renders a dropdown menu with 4 options.
The child element with the class `dropdown-content` is used as the dropdown
menu. This can be a [`paper-listbox`](paper-listbox), or any other or
element that acts like an [`iron-selector`](iron-selector).
Specifically, the menu child must fire an
[`iron-select`](iron-selector#event-iron-select) event when one of its
children is selected, and an [`iron-deselect`](iron-selector#event-iron-deselect)
event when a child is deselected. The selected or deselected item must
be passed as the event's `detail.item` property.
Applications can listen for the `iron-select` and `iron-deselect` events
to react when options are selected and deselected.
### Styling
The following custom properties and mixins are also available for styling:
Custom property | Description | Default
----------------|-------------|----------
`--paper-dropdown-menu` | A mixin that is applied to the element host | `{}`
`--paper-dropdown-menu-disabled` | A mixin that is applied to the element host when disabled | `{}`
`--paper-dropdown-menu-ripple` | A mixin that is applied to the internal ripple | `{}`
`--paper-dropdown-menu-button` | A mixin that is applied to the internal menu button | `{}`
`--paper-dropdown-menu-input` | A mixin that is applied to the internal paper input | `{}`
`--paper-dropdown-menu-icon` | A mixin that is applied to the internal icon | `{}`
You can also use any of the `paper-input-container` and `paper-menu-button`
style mixins and custom properties to style the internal input and menu button
respectively.
@group Paper Elements
@element paper-dropdown-menu
@hero hero.svg
@demo demo/index.html
-->
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
Material design: [Dropdown buttons](https://www.google.com/design/spec/components/buttons.html#buttons-dropdown-buttons)
`paper-menu-button` allows one to compose a designated "trigger" element with
another element that represents "content", to create a dropdown menu that
displays the "content" when the "trigger" is clicked.
The child element with the class `dropdown-trigger` will be used as the
"trigger" element. The child element with the class `dropdown-content` will be
used as the "content" element.
The `paper-menu-button` is sensitive to its content's `iron-select` events. If
the "content" element triggers an `iron-select` event, the `paper-menu-button`
will close automatically.
Example:
<paper-menu-button>
<paper-icon-button icon="menu" class="dropdown-trigger"></paper-icon-button>
<paper-menu class="dropdown-content">
<paper-item>Share</paper-item>
<paper-item>Settings</paper-item>
<paper-item>Help</paper-item>
</paper-menu>
</paper-menu-button>
### Styling
The following custom properties and mixins are also available for styling:
Custom property | Description | Default
----------------|-------------|----------
`--paper-menu-button-dropdown-background` | Background color of the paper-menu-button dropdown | `--primary-background-color`
`--paper-menu-button` | Mixin applied to the paper-menu-button | `{}`
`--paper-menu-button-disabled` | Mixin applied to the paper-menu-button when disabled | `{}`
`--paper-menu-button-dropdown` | Mixin applied to the paper-menu-button dropdown | `{}`
`--paper-menu-button-content` | Mixin applied to the paper-menu-button content | `{}`
@hero hero.svg
@demo demo/index.html
-->
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
`<iron-dropdown>` is a generalized element that is useful when you have
hidden content (`.dropdown-content`) that is revealed due to some change in
state that should cause it to do so.
Note that this is a low-level element intended to be used as part of other
composite elements that cause dropdowns to be revealed.
Examples of elements that might be implemented using an `iron-dropdown`
include comboboxes, menubuttons, selects. The list goes on.
The `<iron-dropdown>` element exposes attributes that allow the position
of the `.dropdown-content` relative to the `.dropdown-trigger` to be
configured.
<iron-dropdown horizontal-align="right" vertical-align="top">
<div class="dropdown-content">Hello!</div>
</iron-dropdown>
In the above example, the `<div>` with class `.dropdown-content` will be
hidden until the dropdown element has `opened` set to true, or when the `open`
method is called on the element.
@demo demo/index.html
-->
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
/**
`Polymer.IronFitBehavior` fits an element in another element using `max-height` and `max-width`, and
optionally centers it in the window or another element.
The element will only be sized and/or positioned if it has not already been sized and/or positioned
by CSS.
CSS properties | Action
-----------------------------|-------------------------------------------
`position` set | Element is not centered horizontally or vertically
`top` or `bottom` set | Element is not vertically centered
`left` or `right` set | Element is not horizontally centered
`max-height` set | Element respects `max-height`
`max-width` set | Element respects `max-width`
`Polymer.IronFitBehavior` can position an element into another element using
`verticalAlign` and `horizontalAlign`. This will override the element's css position.
<div class="container">
<iron-fit-impl vertical-align="top" horizontal-align="auto">
Positioned into the container
</iron-fit-impl>
</div>
Use `noOverlap` to position the element around another element without overlapping it.
<div class="container">
<iron-fit-impl no-overlap vertical-align="auto" horizontal-align="auto">
Positioned around the container
</iron-fit-impl>
</div>
Use `horizontalOffset, verticalOffset` to offset the element from its `positionTarget`;
`Polymer.IronFitBehavior` will collapse these in order to keep the element
within `fitInto` boundaries, while preserving the element's CSS margin values.
<div class="container">
<iron-fit-impl vertical-align="top" vertical-offset="20">
With vertical offset
</iron-fit-impl>
</div>
@demo demo/index.html
@polymerBehavior
*/
Polymer.IronFitBehavior = {
properties: {
/**
* The element that will receive a `max-height`/`width`. By default it is the same as `this`,
* but it can be set to a child element. This is useful, for example, for implementing a
* scrolling region inside the element.
* @type {!Element}
*/
sizingTarget: {
type: Object,
value: function() {
return this;
}
},
/**
* The element to fit `this` into.
*/
fitInto: {
type: Object,
value: window
},
/**
* Will position the element around the positionTarget without overlapping it.
*/
noOverlap: {
type: Boolean
},
/**
* The element that should be used to position the element. If not set, it will
* default to the parent node.
* @type {!Element}
*/
positionTarget: {
type: Element
},
/**
* The orientation against which to align the element horizontally
* relative to the `positionTarget`. Possible values are "left", "right", "auto".
*/
horizontalAlign: {
type: String
},
/**
* The orientation against which to align the element vertically
* relative to the `positionTarget`. Possible values are "top", "bottom", "auto".
*/
verticalAlign: {
type: String
},
/**
* If true, it will use `horizontalAlign` and `verticalAlign` values as preferred alignment
* and if there's not enough space, it will pick the values which minimize the cropping.
*/
dynamicAlign: {
type: Boolean
},
/**
* A pixel value that will be added to the position calculated for the
* given `horizontalAlign`, in the direction of alignment. You can think
* of it as increasing or decreasing the distance to the side of the
* screen given by `horizontalAlign`.
*
* If `horizontalAlign` is "left", this offset will increase or decrease
* the distance to the left side of the screen: a negative offset will
* move the dropdown to the left; a positive one, to the right.
*
* Conversely if `horizontalAlign` is "right", this offset will increase
* or decrease the distance to the right side of the screen: a negative
* offset will move the dropdown to the right; a positive one, to the left.
*/
horizontalOffset: {
type: Number,
value: 0,
notify: true
},
/**
* A pixel value that will be added to the position calculated for the
* given `verticalAlign`, in the direction of alignment. You can think
* of it as increasing or decreasing the distance to the side of the
* screen given by `verticalAlign`.
*
* If `verticalAlign` is "top", this offset will increase or decrease
* the distance to the top side of the screen: a negative offset will
* move the dropdown upwards; a positive one, downwards.
*
* Conversely if `verticalAlign` is "bottom", this offset will increase
* or decrease the distance to the bottom side of the screen: a negative
* offset will move the dropdown downwards; a positive one, upwards.
*/
verticalOffset: {
type: Number,
value: 0,
notify: true
},
/**
* Set to true to auto-fit on attach.
*/
autoFitOnAttach: {
type: Boolean,
value: false
},
/** @type {?Object} */
_fitInfo: {
type: Object
}
},
get _fitWidth() {
var fitWidth;
if (this.fitInto === window) {
fitWidth = this.fitInto.innerWidth;
} else {
fitWidth = this.fitInto.getBoundingClientRect().width;
}
return fitWidth;
},
get _fitHeight() {
var fitHeight;
if (this.fitInto === window) {
fitHeight = this.fitInto.innerHeight;
} else {
fitHeight = this.fitInto.getBoundingClientRect().height;
}
return fitHeight;
},
get _fitLeft() {
var fitLeft;
if (this.fitInto === window) {
fitLeft = 0;
} else {
fitLeft = this.fitInto.getBoundingClientRect().left;
}
return fitLeft;
},
get _fitTop() {
var fitTop;
if (this.fitInto === window) {
fitTop = 0;
} else {
fitTop = this.fitInto.getBoundingClientRect().top;
}
return fitTop;
},
/**
* The element that should be used to position the element,
* if no position target is configured.
*/
get _defaultPositionTarget() {
var parent = Polymer.dom(this).parentNode;
if (parent && parent.nodeType === Node.DOCUMENT_FRAGMENT_NODE) {
parent = parent.host;
}
return parent;
},
/**
* The horizontal align value, accounting for the RTL/LTR text direction.
*/
get _localeHorizontalAlign() {
if (this._isRTL) {
// In RTL, "left" becomes "right".
if (this.horizontalAlign === 'right') {
return 'left';
}
if (this.horizontalAlign === 'left') {
return 'right';
}
}
return this.horizontalAlign;
},
attached: function() {
// Memoize this to avoid expensive calculations & relayouts.
// Make sure we do it only once
if (typeof this._isRTL === 'undefined') {
this._isRTL = window.getComputedStyle(this).direction == 'rtl';
}
this.positionTarget = this.positionTarget || this._defaultPositionTarget;
if (this.autoFitOnAttach) {
if (window.getComputedStyle(this).display === 'none') {
setTimeout(function() {
this.fit();
}.bind(this));
} else {
this.fit();
}
}
},
/**
* Positions and fits the element into the `fitInto` element.
*/
fit: function() {
this.position();
this.constrain();
this.center();
},
/**
* Memoize information needed to position and size the target element.
* @suppress {deprecated}
*/
_discoverInfo: function() {
if (this._fitInfo) {
return;
}
var target = window.getComputedStyle(this);
var sizer = window.getComputedStyle(this.sizingTarget);
this._fitInfo = {
inlineStyle: {
top: this.style.top || '',
left: this.style.left || '',
position: this.style.position || ''
},
sizerInlineStyle: {
maxWidth: this.sizingTarget.style.maxWidth || '',
maxHeight: this.sizingTarget.style.maxHeight || '',
boxSizing: this.sizingTarget.style.boxSizing || ''
},
positionedBy: {
vertically: target.top !== 'auto' ? 'top' : (target.bottom !== 'auto' ?
'bottom' : null),
horizontally: target.left !== 'auto' ? 'left' : (target.right !== 'auto' ?
'right' : null)
},
sizedBy: {
height: sizer.maxHeight !== 'none',
width: sizer.maxWidth !== 'none',
minWidth: parseInt(sizer.minWidth, 10) || 0,
minHeight: parseInt(sizer.minHeight, 10) || 0
},
margin: {
top: parseInt(target.marginTop, 10) || 0,
right: parseInt(target.marginRight, 10) || 0,
bottom: parseInt(target.marginBottom, 10) || 0,
left: parseInt(target.marginLeft, 10) || 0
}
};
},
/**
* Resets the target element's position and size constraints, and clear
* the memoized data.
*/
resetFit: function() {
var info = this._fitInfo || {};
for (var property in info.sizerInlineStyle) {
this.sizingTarget.style[property] = info.sizerInlineStyle[property];
}
for (var property in info.inlineStyle) {
this.style[property] = info.inlineStyle[property];
}
this._fitInfo = null;
},
/**
* Equivalent to calling `resetFit()` and `fit()`. Useful to call this after
* the element or the `fitInto` element has been resized, or if any of the
* positioning properties (e.g. `horizontalAlign, verticalAlign`) is updated.
* It preserves the scroll position of the sizingTarget.
*/
refit: function() {
var scrollLeft = this.sizingTarget.scrollLeft;
var scrollTop = this.sizingTarget.scrollTop;
this.resetFit();
this.fit();
this.sizingTarget.scrollLeft = scrollLeft;
this.sizingTarget.scrollTop = scrollTop;
},
/**
* Positions the element according to `horizontalAlign, verticalAlign`.
*/
position: function() {
if (!this.horizontalAlign && !this.verticalAlign) {
// needs to be centered, and it is done after constrain.
return;
}
this._discoverInfo();
this.style.position = 'fixed';
// Need border-box for margin/padding.
this.sizingTarget.style.boxSizing = 'border-box';
// Set to 0, 0 in order to discover any offset caused by parent stacking contexts.
this.style.left = '0px';
this.style.top = '0px';
var rect = this.getBoundingClientRect();
var positionRect = this.__getNormalizedRect(this.positionTarget);
var fitRect = this.__getNormalizedRect(this.fitInto);
var margin = this._fitInfo.margin;
// Consider the margin as part of the size for position calculations.
var size = {
width: rect.width + margin.left + margin.right,
height: rect.height + margin.top + margin.bottom
};
var position = this.__getPosition(this._localeHorizontalAlign, this.verticalAlign, size, positionRect, fitRect);
var left = position.left + margin.left;
var top = position.top + margin.top;
// We first limit right/bottom within fitInto respecting the margin,
// then use those values to limit top/left.
var right = Math.min(fitRect.right - margin.right, left + rect.width);
var bottom = Math.min(fitRect.bottom - margin.bottom, top + rect.height);
// Keep left/top within fitInto respecting the margin.
left = Math.max(fitRect.left + margin.left,
Math.min(left, right - this._fitInfo.sizedBy.minWidth));
top = Math.max(fitRect.top + margin.top,
Math.min(top, bottom - this._fitInfo.sizedBy.minHeight));
// Use right/bottom to set maxWidth/maxHeight, and respect minWidth/minHeight.
this.sizingTarget.style.maxWidth = Math.max(right - left, this._fitInfo.sizedBy.minWidth) + 'px';
this.sizingTarget.style.maxHeight = Math.max(bottom - top, this._fitInfo.sizedBy.minHeight) + 'px';
// Remove the offset caused by any stacking context.
this.style.left = (left - rect.left) + 'px';
this.style.top = (top - rect.top) + 'px';
},
/**
* Constrains the size of the element to `fitInto` by setting `max-height`
* and/or `max-width`.
*/
constrain: function() {
if (this.horizontalAlign || this.verticalAlign) {
return;
}
this._discoverInfo();
var info = this._fitInfo;
// position at (0px, 0px) if not already positioned, so we can measure the natural size.
if (!info.positionedBy.vertically) {
this.style.position = 'fixed';
this.style.top = '0px';
}
if (!info.positionedBy.horizontally) {
this.style.position = 'fixed';
this.style.left = '0px';
}
// need border-box for margin/padding
this.sizingTarget.style.boxSizing = 'border-box';
// constrain the width and height if not already set
var rect = this.getBoundingClientRect();
if (!info.sizedBy.height) {
this.__sizeDimension(rect, info.positionedBy.vertically, 'top', 'bottom', 'Height');
}
if (!info.sizedBy.width) {
this.__sizeDimension(rect, info.positionedBy.horizontally, 'left', 'right', 'Width');
}
},
/**
* @protected
* @deprecated
*/
_sizeDimension: function(rect, positionedBy, start, end, extent) {
this.__sizeDimension(rect, positionedBy, start, end, extent);
},
/**
* @private
*/
__sizeDimension: function(rect, positionedBy, start, end, extent) {
var info = this._fitInfo;
var fitRect = this.__getNormalizedRect(this.fitInto);
var max = extent === 'Width' ? fitRect.width : fitRect.height;
var flip = (positionedBy === end);
var offset = flip ? max - rect[end] : rect[start];
var margin = info.margin[flip ? start : end];
var offsetExtent = 'offset' + extent;
var sizingOffset = this[offsetExtent] - this.sizingTarget[offsetExtent];
this.sizingTarget.style['max' + extent] = (max - margin - offset - sizingOffset) + 'px';
},
/**
* Centers horizontally and vertically if not already positioned. This also sets
* `position:fixed`.
*/
center: function() {
if (this.horizontalAlign || this.verticalAlign) {
return;
}
this._discoverInfo();
var positionedBy = this._fitInfo.positionedBy;
if (positionedBy.vertically && positionedBy.horizontally) {
// Already positioned.
return;
}
// Need position:fixed to center
this.style.position = 'fixed';
// Take into account the offset caused by parents that create stacking
// contexts (e.g. with transform: translate3d). Translate to 0,0 and
// measure the bounding rect.
if (!positionedBy.vertically) {
this.style.top = '0px';
}
if (!positionedBy.horizontally) {
this.style.left = '0px';
}
// It will take in consideration margins and transforms
var rect = this.getBoundingClientRect();
var fitRect = this.__getNormalizedRect(this.fitInto);
if (!positionedBy.vertically) {
var top = fitRect.top - rect.top + (fitRect.height - rect.height) / 2;
this.style.top = top + 'px';
}
if (!positionedBy.horizontally) {
var left = fitRect.left - rect.left + (fitRect.width - rect.width) / 2;
this.style.left = left + 'px';
}
},
__getNormalizedRect: function(target) {
if (target === document.documentElement || target === window) {
return {
top: 0,
left: 0,
width: window.innerWidth,
height: window.innerHeight,
right: window.innerWidth,
bottom: window.innerHeight
};
}
return target.getBoundingClientRect();
},
__getCroppedArea: function(position, size, fitRect) {
var verticalCrop = Math.min(0, position.top) + Math.min(0, fitRect.bottom - (position.top + size.height));
var horizontalCrop = Math.min(0, position.left) + Math.min(0, fitRect.right - (position.left + size.width));
return Math.abs(verticalCrop) * size.width + Math.abs(horizontalCrop) * size.height;
},
__getPosition: function(hAlign, vAlign, size, positionRect, fitRect) {
// All the possible configurations.
// Ordered as top-left, top-right, bottom-left, bottom-right.
var positions = [{
verticalAlign: 'top',
horizontalAlign: 'left',
top: positionRect.top + this.verticalOffset,
left: positionRect.left + this.horizontalOffset
}, {
verticalAlign: 'top',
horizontalAlign: 'right',
top: positionRect.top + this.verticalOffset,
left: positionRect.right - size.width - this.horizontalOffset
}, {
verticalAlign: 'bottom',
horizontalAlign: 'left',
top: positionRect.bottom - size.height - this.verticalOffset,
left: positionRect.left + this.horizontalOffset
}, {
verticalAlign: 'bottom',
horizontalAlign: 'right',
top: positionRect.bottom - size.height - this.verticalOffset,
left: positionRect.right - size.width - this.horizontalOffset
}];
if (this.noOverlap) {
// Duplicate.
for (var i = 0, l = positions.length; i < l; i++) {
var copy = {};
for (var key in positions[i]) {
copy[key] = positions[i][key];
}
positions.push(copy);
}
// Horizontal overlap only.
positions[0].top = positions[1].top += positionRect.height;
positions[2].top = positions[3].top -= positionRect.height;
// Vertical overlap only.
positions[4].left = positions[6].left += positionRect.width;
positions[5].left = positions[7].left -= positionRect.width;
}
// Consider auto as null for coding convenience.
vAlign = vAlign === 'auto' ? null : vAlign;
hAlign = hAlign === 'auto' ? null : hAlign;
var position;
for (var i = 0; i < positions.length; i++) {
var pos = positions[i];
// If both vAlign and hAlign are defined, return exact match.
// For dynamicAlign and noOverlap we'll have more than one candidate, so
// we'll have to check the croppedArea to make the best choice.
if (!this.dynamicAlign && !this.noOverlap &&
pos.verticalAlign === vAlign && pos.horizontalAlign === hAlign) {
position = pos;
break;
}
// Align is ok if alignment preferences are respected. If no preferences,
// it is considered ok.
var alignOk = (!vAlign || pos.verticalAlign === vAlign) &&
(!hAlign || pos.horizontalAlign === hAlign);
// Filter out elements that don't match the alignment (if defined).
// With dynamicAlign, we need to consider all the positions to find the
// one that minimizes the cropped area.
if (!this.dynamicAlign && !alignOk) {
continue;
}
position = position || pos;
pos.croppedArea = this.__getCroppedArea(pos, size, fitRect);
var diff = pos.croppedArea - position.croppedArea;
// Check which crops less. If it crops equally, check if align is ok.
if (diff < 0 || (diff === 0 && alignOk)) {
position = pos;
}
// If not cropped and respects the align requirements, keep it.
// This allows to prefer positions overlapping horizontally over the
// ones overlapping vertically.
if (position.croppedArea === 0 && alignOk) {
break;
}
}
return position;
}
};
</script><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
`iron-overlay-backdrop` is a backdrop used by `Polymer.IronOverlayBehavior`. It should be a
singleton.
### Styling
The following custom properties and mixins are available for styling.
Custom property | Description | Default
-------------------------------------------|------------------------|---------
`--iron-overlay-backdrop-background-color` | Backdrop background color | #000
`--iron-overlay-backdrop-opacity` | Backdrop opacity | 0.6
`--iron-overlay-backdrop` | Mixin applied to `iron-overlay-backdrop`. | {}
`--iron-overlay-backdrop-opened` | Mixin applied to `iron-overlay-backdrop` when it is displayed | {}
-->
<dom-module id="iron-overlay-backdrop" assetpath="bower_components/iron-overlay-behavior/">
<template>
<style>
:host {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: var(--iron-overlay-backdrop-background-color, #000);
opacity: 0;
transition: opacity 0.2s;
pointer-events: none;
@apply(--iron-overlay-backdrop);
}
:host(.opened) {
opacity: var(--iron-overlay-backdrop-opacity, 0.6);
pointer-events: auto;
@apply(--iron-overlay-backdrop-opened);
}
</style>
<content></content>
</template>
</dom-module>
<script>
(function() {
'use strict';
Polymer({
is: 'iron-overlay-backdrop',
properties: {
/**
* Returns true if the backdrop is opened.
*/
opened: {
reflectToAttribute: true,
type: Boolean,
value: false,
observer: '_openedChanged'
}
},
listeners: {
'transitionend': '_onTransitionend'
},
created: function() {
// Used to cancel previous requestAnimationFrame calls when opened changes.
this.__openedRaf = null;
},
attached: function() {
this.opened && this._openedChanged(this.opened);
},
/**
* Appends the backdrop to document body if needed.
*/
prepare: function() {
if (this.opened && !this.parentNode) {
Polymer.dom(document.body).appendChild(this);
}
},
/**
* Shows the backdrop.
*/
open: function() {
this.opened = true;
},
/**
* Hides the backdrop.
*/
close: function() {
this.opened = false;
},
/**
* Removes the backdrop from document body if needed.
*/
complete: function() {
if (!this.opened && this.parentNode === document.body) {
Polymer.dom(this.parentNode).removeChild(this);
}
},
_onTransitionend: function(event) {
if (event && event.target === this) {
this.complete();
}
},
/**
* @param {boolean} opened
* @private
*/
_openedChanged: function(opened) {
if (opened) {
// Auto-attach.
this.prepare();
} else {
// Animation might be disabled via the mixin or opacity custom property.
// If it is disabled in other ways, it's up to the user to call complete.
var cs = window.getComputedStyle(this);
if (cs.transitionDuration === '0s' || cs.opacity == 0) {
this.complete();
}
}
if (!this.isAttached) {
return;
}
// Always cancel previous requestAnimationFrame.
if (this.__openedRaf) {
window.cancelAnimationFrame(this.__openedRaf);
this.__openedRaf = null;
}
// Force relayout to ensure proper transitions.
this.scrollTop = this.scrollTop;
this.__openedRaf = window.requestAnimationFrame(function() {
this.__openedRaf = null;
this.toggleClass('opened', this.opened);
}.bind(this));
}
});
})();
</script>
<script>
/**
* @struct
* @constructor
* @private
*/
Polymer.IronOverlayManagerClass = function() {
/**
* Used to keep track of the opened overlays.
* @private {Array<Element>}
*/
this._overlays = [];
/**
* iframes have a default z-index of 100,
* so this default should be at least that.
* @private {number}
*/
this._minimumZ = 101;
/**
* Memoized backdrop element.
* @private {Element|null}
*/
this._backdropElement = null;
// Enable document-wide tap recognizer.
// NOTE: Use useCapture=true to avoid accidentally prevention of the closing
// of an overlay via event.stopPropagation(). The only way to prevent
// closing of an overlay should be through its APIs.
Polymer.Gestures.add(document, 'tap', null);
document.addEventListener('tap', this._onCaptureClick.bind(this), true);
document.addEventListener('focus', this._onCaptureFocus.bind(this), true);
document.addEventListener('keydown', this._onCaptureKeyDown.bind(this), true);
};
Polymer.IronOverlayManagerClass.prototype = {
constructor: Polymer.IronOverlayManagerClass,
/**
* The shared backdrop element.
* @type {!Element} backdropElement
*/
get backdropElement() {
if (!this._backdropElement) {
this._backdropElement = document.createElement('iron-overlay-backdrop');
}
return this._backdropElement;
},
/**
* The deepest active element.
* @type {!Element} activeElement the active element
*/
get deepActiveElement() {
// document.activeElement can be null
// https://developer.mozilla.org/en-US/docs/Web/API/Document/activeElement
// In case of null, default it to document.body.
var active = document.activeElement || document.body;
while (active.root && Polymer.dom(active.root).activeElement) {
active = Polymer.dom(active.root).activeElement;
}
return active;
},
/**
* Brings the overlay at the specified index to the front.
* @param {number} i
* @private
*/
_bringOverlayAtIndexToFront: function(i) {
var overlay = this._overlays[i];
if (!overlay) {
return;
}
var lastI = this._overlays.length - 1;
var currentOverlay = this._overlays[lastI];
// Ensure always-on-top overlay stays on top.
if (currentOverlay && this._shouldBeBehindOverlay(overlay, currentOverlay)) {
lastI--;
}
// If already the top element, return.
if (i >= lastI) {
return;
}
// Update z-index to be on top.
var minimumZ = Math.max(this.currentOverlayZ(), this._minimumZ);
if (this._getZ(overlay) <= minimumZ) {
this._applyOverlayZ(overlay, minimumZ);
}
// Shift other overlays behind the new on top.
while (i < lastI) {
this._overlays[i] = this._overlays[i + 1];
i++;
}
this._overlays[lastI] = overlay;
},
/**
* Adds the overlay and updates its z-index if it's opened, or removes it if it's closed.
* Also updates the backdrop z-index.
* @param {!Element} overlay
*/
addOrRemoveOverlay: function(overlay) {
if (overlay.opened) {
this.addOverlay(overlay);
} else {
this.removeOverlay(overlay);
}
},
/**
* Tracks overlays for z-index and focus management.
* Ensures the last added overlay with always-on-top remains on top.
* @param {!Element} overlay
*/
addOverlay: function(overlay) {
var i = this._overlays.indexOf(overlay);
if (i >= 0) {
this._bringOverlayAtIndexToFront(i);
this.trackBackdrop();
return;
}
var insertionIndex = this._overlays.length;
var currentOverlay = this._overlays[insertionIndex - 1];
var minimumZ = Math.max(this._getZ(currentOverlay), this._minimumZ);
var newZ = this._getZ(overlay);
// Ensure always-on-top overlay stays on top.
if (currentOverlay && this._shouldBeBehindOverlay(overlay, currentOverlay)) {
// This bumps the z-index of +2.
this._applyOverlayZ(currentOverlay, minimumZ);
insertionIndex--;
// Update minimumZ to match previous overlay's z-index.
var previousOverlay = this._overlays[insertionIndex - 1];
minimumZ = Math.max(this._getZ(previousOverlay), this._minimumZ);
}
// Update z-index and insert overlay.
if (newZ <= minimumZ) {
this._applyOverlayZ(overlay, minimumZ);
}
this._overlays.splice(insertionIndex, 0, overlay);
this.trackBackdrop();
},
/**
* @param {!Element} overlay
*/
removeOverlay: function(overlay) {
var i = this._overlays.indexOf(overlay);
if (i === -1) {
return;
}
this._overlays.splice(i, 1);
this.trackBackdrop();
},
/**
* Returns the current overlay.
* @return {Element|undefined}
*/
currentOverlay: function() {
var i = this._overlays.length - 1;
return this._overlays[i];
},
/**
* Returns the current overlay z-index.
* @return {number}
*/
currentOverlayZ: function() {
return this._getZ(this.currentOverlay());
},
/**
* Ensures that the minimum z-index of new overlays is at least `minimumZ`.
* This does not effect the z-index of any existing overlays.
* @param {number} minimumZ
*/
ensureMinimumZ: function(minimumZ) {
this._minimumZ = Math.max(this._minimumZ, minimumZ);
},
focusOverlay: function() {
var current = /** @type {?} */ (this.currentOverlay());
if (current) {
current._applyFocus();
}
},
/**
* Updates the backdrop z-index.
*/
trackBackdrop: function() {
var overlay = this._overlayWithBackdrop();
// Avoid creating the backdrop if there is no overlay with backdrop.
if (!overlay && !this._backdropElement) {
return;
}
this.backdropElement.style.zIndex = this._getZ(overlay) - 1;
this.backdropElement.opened = !!overlay;
},
/**
* @return {Array<Element>}
*/
getBackdrops: function() {
var backdrops = [];
for (var i = 0; i < this._overlays.length; i++) {
if (this._overlays[i].withBackdrop) {
backdrops.push(this._overlays[i]);
}
}
return backdrops;
},
/**
* Returns the z-index for the backdrop.
* @return {number}
*/
backdropZ: function() {
return this._getZ(this._overlayWithBackdrop()) - 1;
},
/**
* Returns the first opened overlay that has a backdrop.
* @return {Element|undefined}
* @private
*/
_overlayWithBackdrop: function() {
for (var i = 0; i < this._overlays.length; i++) {
if (this._overlays[i].withBackdrop) {
return this._overlays[i];
}
}
},
/**
* Calculates the minimum z-index for the overlay.
* @param {Element=} overlay
* @private
*/
_getZ: function(overlay) {
var z = this._minimumZ;
if (overlay) {
var z1 = Number(overlay.style.zIndex || window.getComputedStyle(overlay).zIndex);
// Check if is a number
// Number.isNaN not supported in IE 10+
if (z1 === z1) {
z = z1;
}
}
return z;
},
/**
* @param {!Element} element
* @param {number|string} z
* @private
*/
_setZ: function(element, z) {
element.style.zIndex = z;
},
/**
* @param {!Element} overlay
* @param {number} aboveZ
* @private
*/
_applyOverlayZ: function(overlay, aboveZ) {
this._setZ(overlay, aboveZ + 2);
},
/**
* Returns the deepest overlay in the path.
* @param {Array<Element>=} path
* @return {Element|undefined}
* @suppress {missingProperties}
* @private
*/
_overlayInPath: function(path) {
path = path || [];
for (var i = 0; i < path.length; i++) {
if (path[i]._manager === this) {
return path[i];
}
}
},
/**
* Ensures the click event is delegated to the right overlay.
* @param {!Event} event
* @private
*/
_onCaptureClick: function(event) {
var overlay = /** @type {?} */ (this.currentOverlay());
// Check if clicked outside of top overlay.
if (overlay && this._overlayInPath(Polymer.dom(event).path) !== overlay) {
overlay._onCaptureClick(event);
}
},
/**
* Ensures the focus event is delegated to the right overlay.
* @param {!Event} event
* @private
*/
_onCaptureFocus: function(event) {
var overlay = /** @type {?} */ (this.currentOverlay());
if (overlay) {
overlay._onCaptureFocus(event);
}
},
/**
* Ensures TAB and ESC keyboard events are delegated to the right overlay.
* @param {!Event} event
* @private
*/
_onCaptureKeyDown: function(event) {
var overlay = /** @type {?} */ (this.currentOverlay());
if (overlay) {
if (Polymer.IronA11yKeysBehavior.keyboardEventMatchesKeys(event, 'esc')) {
overlay._onCaptureEsc(event);
} else if (Polymer.IronA11yKeysBehavior.keyboardEventMatchesKeys(event, 'tab')) {
overlay._onCaptureTab(event);
}
}
},
/**
* Returns if the overlay1 should be behind overlay2.
* @param {!Element} overlay1
* @param {!Element} overlay2
* @return {boolean}
* @suppress {missingProperties}
* @private
*/
_shouldBeBehindOverlay: function(overlay1, overlay2) {
return !overlay1.alwaysOnTop && overlay2.alwaysOnTop;
}
};
Polymer.IronOverlayManager = new Polymer.IronOverlayManagerClass();
</script><!--
@license
Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
(function() {
'use strict';
var p = Element.prototype;
var matches = p.matches || p.matchesSelector || p.mozMatchesSelector ||
p.msMatchesSelector || p.oMatchesSelector || p.webkitMatchesSelector;
Polymer.IronFocusablesHelper = {
/**
* Returns a sorted array of tabbable nodes, including the root node.
* It searches the tabbable nodes in the light and shadow dom of the chidren,
* sorting the result by tabindex.
* @param {!Node} node
* @return {Array<HTMLElement>}
*/
getTabbableNodes: function(node) {
var result = [];
// If there is at least one element with tabindex > 0, we need to sort
// the final array by tabindex.
var needsSortByTabIndex = this._collectTabbableNodes(node, result);
if (needsSortByTabIndex) {
return this._sortByTabIndex(result);
}
return result;
},
/**
* Returns if a element is focusable.
* @param {!HTMLElement} element
* @return {boolean}
*/
isFocusable: function(element) {
// From http://stackoverflow.com/a/1600194/4228703:
// There isn't a definite list, it's up to the browser. The only
// standard we have is DOM Level 2 HTML https://www.w3.org/TR/DOM-Level-2-HTML/html.html,
// according to which the only elements that have a focus() method are
// HTMLInputElement, HTMLSelectElement, HTMLTextAreaElement and
// HTMLAnchorElement. This notably omits HTMLButtonElement and
// HTMLAreaElement.
// Referring to these tests with tabbables in different browsers
// http://allyjs.io/data-tables/focusable.html
// Elements that cannot be focused if they have [disabled] attribute.
if (matches.call(element, 'input, select, textarea, button, object')) {
return matches.call(element, ':not([disabled])');
}
// Elements that can be focused even if they have [disabled] attribute.
return matches.call(element,
'a[href], area[href], iframe, [tabindex], [contentEditable]');
},
/**
* Returns if a element is tabbable. To be tabbable, a element must be
* focusable, visible, and with a tabindex !== -1.
* @param {!HTMLElement} element
* @return {boolean}
*/
isTabbable: function(element) {
return this.isFocusable(element) &&
matches.call(element, ':not([tabindex="-1"])') &&
this._isVisible(element);
},
/**
* Returns the normalized element tabindex. If not focusable, returns -1.
* It checks for the attribute "tabindex" instead of the element property
* `tabIndex` since browsers assign different values to it.
* e.g. in Firefox `<div contenteditable>` has `tabIndex = -1`
* @param {!HTMLElement} element
* @return {!number}
* @private
*/
_normalizedTabIndex: function(element) {
if (this.isFocusable(element)) {
var tabIndex = element.getAttribute('tabindex') || 0;
return Number(tabIndex);
}
return -1;
},
/**
* Searches for nodes that are tabbable and adds them to the `result` array.
* Returns if the `result` array needs to be sorted by tabindex.
* @param {!Node} node The starting point for the search; added to `result`
* if tabbable.
* @param {!Array<HTMLElement>} result
* @return {boolean}
* @private
*/
_collectTabbableNodes: function(node, result) {
// If not an element or not visible, no need to explore children.
if (node.nodeType !== Node.ELEMENT_NODE || !this._isVisible(node)) {
return false;
}
var element = /** @type {HTMLElement} */ (node);
var tabIndex = this._normalizedTabIndex(element);
var needsSortByTabIndex = tabIndex > 0;
if (tabIndex >= 0) {
result.push(element);
}
// In ShadowDOM v1, tab order is affected by the order of distrubution.
// E.g. getTabbableNodes(#root) in ShadowDOM v1 should return [#A, #B];
// in ShadowDOM v0 tab order is not affected by the distrubution order,
// in fact getTabbableNodes(#root) returns [#B, #A].
// <div id="root">
// <!-- shadow -->
// <slot name="a">
// <slot name="b">
// <!-- /shadow -->
// <input id="A" slot="a">
// <input id="B" slot="b" tabindex="1">
// </div>
// TODO(valdrin) support ShadowDOM v1 when upgrading to Polymer v2.0.
var children;
if (element.localName === 'content') {
children = Polymer.dom(element).getDistributedNodes();
} else {
// Use shadow root if possible, will check for distributed nodes.
children = Polymer.dom(element.root || element).children;
}
for (var i = 0; i < children.length; i++) {
// Ensure method is always invoked to collect tabbable children.
var needsSort = this._collectTabbableNodes(children[i], result);
needsSortByTabIndex = needsSortByTabIndex || needsSort;
}
return needsSortByTabIndex;
},
/**
* Returns false if the element has `visibility: hidden` or `display: none`
* @param {!HTMLElement} element
* @return {boolean}
* @private
*/
_isVisible: function(element) {
// Check inline style first to save a re-flow. If looks good, check also
// computed style.
var style = element.style;
if (style.visibility !== 'hidden' && style.display !== 'none') {
style = window.getComputedStyle(element);
return (style.visibility !== 'hidden' && style.display !== 'none');
}
return false;
},
/**
* Sorts an array of tabbable elements by tabindex. Returns a new array.
* @param {!Array<HTMLElement>} tabbables
* @return {Array<HTMLElement>}
* @private
*/
_sortByTabIndex: function(tabbables) {
// Implement a merge sort as Array.prototype.sort does a non-stable sort
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/sort
var len = tabbables.length;
if (len < 2) {
return tabbables;
}
var pivot = Math.ceil(len / 2);
var left = this._sortByTabIndex(tabbables.slice(0, pivot));
var right = this._sortByTabIndex(tabbables.slice(pivot));
return this._mergeSortByTabIndex(left, right);
},
/**
* Merge sort iterator, merges the two arrays into one, sorted by tab index.
* @param {!Array<HTMLElement>} left
* @param {!Array<HTMLElement>} right
* @return {Array<HTMLElement>}
* @private
*/
_mergeSortByTabIndex: function(left, right) {
var result = [];
while ((left.length > 0) && (right.length > 0)) {
if (this._hasLowerTabOrder(left[0], right[0])) {
result.push(right.shift());
} else {
result.push(left.shift());
}
}
return result.concat(left, right);
},
/**
* Returns if element `a` has lower tab order compared to element `b`
* (both elements are assumed to be focusable and tabbable).
* Elements with tabindex = 0 have lower tab order compared to elements
* with tabindex > 0.
* If both have same tabindex, it returns false.
* @param {!HTMLElement} a
* @param {!HTMLElement} b
* @return {boolean}
* @private
*/
_hasLowerTabOrder: function(a, b) {
// Normalize tabIndexes
// e.g. in Firefox `<div contenteditable>` has `tabIndex = -1`
var ati = Math.max(a.tabIndex, 0);
var bti = Math.max(b.tabIndex, 0);
return (ati === 0 || bti === 0) ? bti > ati : ati > bti;
}
};
})();
</script><script>
(function() {
'use strict';
/** @polymerBehavior */
Polymer.IronOverlayBehaviorImpl = {
properties: {
/**
* True if the overlay is currently displayed.
*/
opened: {
observer: '_openedChanged',
type: Boolean,
value: false,
notify: true
},
/**
* True if the overlay was canceled when it was last closed.
*/
canceled: {
observer: '_canceledChanged',
readOnly: true,
type: Boolean,
value: false
},
/**
* Set to true to display a backdrop behind the overlay. It traps the focus
* within the light DOM of the overlay.
*/
withBackdrop: {
observer: '_withBackdropChanged',
type: Boolean
},
/**
* Set to true to disable auto-focusing the overlay or child nodes with
* the `autofocus` attribute` when the overlay is opened.
*/
noAutoFocus: {
type: Boolean,
value: false
},
/**
* Set to true to disable canceling the overlay with the ESC key.
*/
noCancelOnEscKey: {
type: Boolean,
value: false
},
/**
* Set to true to disable canceling the overlay by clicking outside it.
*/
noCancelOnOutsideClick: {
type: Boolean,
value: false
},
/**
* Contains the reason(s) this overlay was last closed (see `iron-overlay-closed`).
* `IronOverlayBehavior` provides the `canceled` reason; implementers of the
* behavior can provide other reasons in addition to `canceled`.
*/
closingReason: {
// was a getter before, but needs to be a property so other
// behaviors can override this.
type: Object
},
/**
* Set to true to enable restoring of focus when overlay is closed.
*/
restoreFocusOnClose: {
type: Boolean,
value: false
},
/**
* Set to true to keep overlay always on top.
*/
alwaysOnTop: {
type: Boolean
},
/**
* Shortcut to access to the overlay manager.
* @private
* @type {Polymer.IronOverlayManagerClass}
*/
_manager: {
type: Object,
value: Polymer.IronOverlayManager
},
/**
* The node being focused.
* @type {?Node}
*/
_focusedChild: {
type: Object
}
},
listeners: {
'iron-resize': '_onIronResize'
},
/**
* The backdrop element.
* @type {Element}
*/
get backdropElement() {
return this._manager.backdropElement;
},
/**
* Returns the node to give focus to.
* @type {Node}
*/
get _focusNode() {
return this._focusedChild || Polymer.dom(this).querySelector('[autofocus]') || this;
},
/**
* Array of nodes that can receive focus (overlay included), ordered by `tabindex`.
* This is used to retrieve which is the first and last focusable nodes in order
* to wrap the focus for overlays `with-backdrop`.
*
* If you know what is your content (specifically the first and last focusable children),
* you can override this method to return only `[firstFocusable, lastFocusable];`
* @type {Array<Node>}
* @protected
*/
get _focusableNodes() {
return Polymer.IronFocusablesHelper.getTabbableNodes(this);
},
ready: function() {
// Used to skip calls to notifyResize and refit while the overlay is animating.
this.__isAnimating = false;
// with-backdrop needs tabindex to be set in order to trap the focus.
// If it is not set, IronOverlayBehavior will set it, and remove it if with-backdrop = false.
this.__shouldRemoveTabIndex = false;
// Used for wrapping the focus on TAB / Shift+TAB.
this.__firstFocusableNode = this.__lastFocusableNode = null;
// Used by __onNextAnimationFrame to cancel any previous callback.
this.__raf = null;
// Focused node before overlay gets opened. Can be restored on close.
this.__restoreFocusNode = null;
this._ensureSetup();
},
attached: function() {
// Call _openedChanged here so that position can be computed correctly.
if (this.opened) {
this._openedChanged(this.opened);
}
this._observer = Polymer.dom(this).observeNodes(this._onNodesChange);
},
detached: function() {
Polymer.dom(this).unobserveNodes(this._observer);
this._observer = null;
if (this.__raf) {
window.cancelAnimationFrame(this.__raf);
this.__raf = null;
}
this._manager.removeOverlay(this);
},
/**
* Toggle the opened state of the overlay.
*/
toggle: function() {
this._setCanceled(false);
this.opened = !this.opened;
},
/**
* Open the overlay.
*/
open: function() {
this._setCanceled(false);
this.opened = true;
},
/**
* Close the overlay.
*/
close: function() {
this._setCanceled(false);
this.opened = false;
},
/**
* Cancels the overlay.
* @param {Event=} event The original event
*/
cancel: function(event) {
var cancelEvent = this.fire('iron-overlay-canceled', event, {cancelable: true});
if (cancelEvent.defaultPrevented) {
return;
}
this._setCanceled(true);
this.opened = false;
},
/**
* Invalidates the cached tabbable nodes. To be called when any of the focusable
* content changes (e.g. a button is disabled).
*/
invalidateTabbables: function() {
this.__firstFocusableNode = this.__lastFocusableNode = null;
},
_ensureSetup: function() {
if (this._overlaySetup) {
return;
}
this._overlaySetup = true;
this.style.outline = 'none';
this.style.display = 'none';
},
/**
* Called when `opened` changes.
* @param {boolean=} opened
* @protected
*/
_openedChanged: function(opened) {
if (opened) {
this.removeAttribute('aria-hidden');
} else {
this.setAttribute('aria-hidden', 'true');
}
// Defer any animation-related code on attached
// (_openedChanged gets called again on attached).
if (!this.isAttached) {
return;
}
this.__isAnimating = true;
// Use requestAnimationFrame for non-blocking rendering.
this.__onNextAnimationFrame(this.__openedChanged);
},
_canceledChanged: function() {
this.closingReason = this.closingReason || {};
this.closingReason.canceled = this.canceled;
},
_withBackdropChanged: function() {
// If tabindex is already set, no need to override it.
if (this.withBackdrop && !this.hasAttribute('tabindex')) {
this.setAttribute('tabindex', '-1');
this.__shouldRemoveTabIndex = true;
} else if (this.__shouldRemoveTabIndex) {
this.removeAttribute('tabindex');
this.__shouldRemoveTabIndex = false;
}
if (this.opened && this.isAttached) {
this._manager.trackBackdrop();
}
},
/**
* tasks which must occur before opening; e.g. making the element visible.
* @protected
*/
_prepareRenderOpened: function() {
// Store focused node.
this.__restoreFocusNode = this._manager.deepActiveElement;
// Needed to calculate the size of the overlay so that transitions on its size
// will have the correct starting points.
this._preparePositioning();
this.refit();
this._finishPositioning();
// Safari will apply the focus to the autofocus element when displayed
// for the first time, so we make sure to return the focus where it was.
if (this.noAutoFocus && document.activeElement === this._focusNode) {
this._focusNode.blur();
this.__restoreFocusNode.focus();
}
},
/**
* Tasks which cause the overlay to actually open; typically play an animation.
* @protected
*/
_renderOpened: function() {
this._finishRenderOpened();
},
/**
* Tasks which cause the overlay to actually close; typically play an animation.
* @protected
*/
_renderClosed: function() {
this._finishRenderClosed();
},
/**
* Tasks to be performed at the end of open action. Will fire `iron-overlay-opened`.
* @protected
*/
_finishRenderOpened: function() {
this.notifyResize();
this.__isAnimating = false;
this.fire('iron-overlay-opened');
},
/**
* Tasks to be performed at the end of close action. Will fire `iron-overlay-closed`.
* @protected
*/
_finishRenderClosed: function() {
// Hide the overlay.
this.style.display = 'none';
// Reset z-index only at the end of the animation.
this.style.zIndex = '';
this.notifyResize();
this.__isAnimating = false;
this.fire('iron-overlay-closed', this.closingReason);
},
_preparePositioning: function() {
this.style.transition = this.style.webkitTransition = 'none';
this.style.transform = this.style.webkitTransform = 'none';
this.style.display = '';
},
_finishPositioning: function() {
// First, make it invisible & reactivate animations.
this.style.display = 'none';
// Force reflow before re-enabling animations so that they don't start.
// Set scrollTop to itself so that Closure Compiler doesn't remove this.
this.scrollTop = this.scrollTop;
this.style.transition = this.style.webkitTransition = '';
this.style.transform = this.style.webkitTransform = '';
// Now that animations are enabled, make it visible again
this.style.display = '';
// Force reflow, so that following animations are properly started.
// Set scrollTop to itself so that Closure Compiler doesn't remove this.
this.scrollTop = this.scrollTop;
},
/**
* Applies focus according to the opened state.
* @protected
*/
_applyFocus: function() {
if (this.opened) {
if (!this.noAutoFocus) {
this._focusNode.focus();
}
}
else {
this._focusNode.blur();
this._focusedChild = null;
// Restore focus.
if (this.restoreFocusOnClose && this.__restoreFocusNode) {
this.__restoreFocusNode.focus();
}
this.__restoreFocusNode = null;
// If many overlays get closed at the same time, one of them would still
// be the currentOverlay even if already closed, and would call _applyFocus
// infinitely, so we check for this not to be the current overlay.
var currentOverlay = this._manager.currentOverlay();
if (currentOverlay && this !== currentOverlay) {
currentOverlay._applyFocus();
}
}
},
/**
* Cancels (closes) the overlay. Call when click happens outside the overlay.
* @param {!Event} event
* @protected
*/
_onCaptureClick: function(event) {
if (!this.noCancelOnOutsideClick) {
this.cancel(event);
}
},
/**
* Keeps track of the focused child. If withBackdrop, traps focus within overlay.
* @param {!Event} event
* @protected
*/
_onCaptureFocus: function (event) {
if (!this.withBackdrop) {
return;
}
var path = Polymer.dom(event).path;
if (path.indexOf(this) === -1) {
event.stopPropagation();
this._applyFocus();
} else {
this._focusedChild = path[0];
}
},
/**
* Handles the ESC key event and cancels (closes) the overlay.
* @param {!Event} event
* @protected
*/
_onCaptureEsc: function(event) {
if (!this.noCancelOnEscKey) {
this.cancel(event);
}
},
/**
* Handles TAB key events to track focus changes.
* Will wrap focus for overlays withBackdrop.
* @param {!Event} event
* @protected
*/
_onCaptureTab: function(event) {
if (!this.withBackdrop) {
return;
}
this.__ensureFirstLastFocusables();
// TAB wraps from last to first focusable.
// Shift + TAB wraps from first to last focusable.
var shift = event.shiftKey;
var nodeToCheck = shift ? this.__firstFocusableNode : this.__lastFocusableNode;
var nodeToSet = shift ? this.__lastFocusableNode : this.__firstFocusableNode;
var shouldWrap = false;
if (nodeToCheck === nodeToSet) {
// If nodeToCheck is the same as nodeToSet, it means we have an overlay
// with 0 or 1 focusables; in either case we still need to trap the
// focus within the overlay.
shouldWrap = true;
} else {
// In dom=shadow, the manager will receive focus changes on the main
// root but not the ones within other shadow roots, so we can't rely on
// _focusedChild, but we should check the deepest active element.
var focusedNode = this._manager.deepActiveElement;
// If the active element is not the nodeToCheck but the overlay itself,
// it means the focus is about to go outside the overlay, hence we
// should prevent that (e.g. user opens the overlay and hit Shift+TAB).
shouldWrap = (focusedNode === nodeToCheck || focusedNode === this);
}
if (shouldWrap) {
// When the overlay contains the last focusable element of the document
// and it's already focused, pressing TAB would move the focus outside
// the document (e.g. to the browser search bar). Similarly, when the
// overlay contains the first focusable element of the document and it's
// already focused, pressing Shift+TAB would move the focus outside the
// document (e.g. to the browser search bar).
// In both cases, we would not receive a focus event, but only a blur.
// In order to achieve focus wrapping, we prevent this TAB event and
// force the focus. This will also prevent the focus to temporarily move
// outside the overlay, which might cause scrolling.
event.preventDefault();
this._focusedChild = nodeToSet;
this._applyFocus();
}
},
/**
* Refits if the overlay is opened and not animating.
* @protected
*/
_onIronResize: function() {
if (this.opened && !this.__isAnimating) {
this.__onNextAnimationFrame(this.refit);
}
},
/**
* Will call notifyResize if overlay is opened.
* Can be overridden in order to avoid multiple observers on the same node.
* @protected
*/
_onNodesChange: function() {
if (this.opened && !this.__isAnimating) {
// It might have added focusable nodes, so invalidate cached values.
this.invalidateTabbables();
this.notifyResize();
}
},
/**
* Will set first and last focusable nodes if any of them is not set.
* @private
*/
__ensureFirstLastFocusables: function() {
if (!this.__firstFocusableNode || !this.__lastFocusableNode) {
var focusableNodes = this._focusableNodes;
this.__firstFocusableNode = focusableNodes[0];
this.__lastFocusableNode = focusableNodes[focusableNodes.length - 1];
}
},
/**
* Tasks executed when opened changes: prepare for the opening, move the
* focus, update the manager, render opened/closed.
* @private
*/
__openedChanged: function() {
if (this.opened) {
// Make overlay visible, then add it to the manager.
this._prepareRenderOpened();
this._manager.addOverlay(this);
// Move the focus to the child node with [autofocus].
this._applyFocus();
this._renderOpened();
} else {
// Remove overlay, then restore the focus before actually closing.
this._manager.removeOverlay(this);
this._applyFocus();
this._renderClosed();
}
},
/**
* Executes a callback on the next animation frame, overriding any previous
* callback awaiting for the next animation frame. e.g.
* `__onNextAnimationFrame(callback1) && __onNextAnimationFrame(callback2)`;
* `callback1` will never be invoked.
* @param {!Function} callback Its `this` parameter is the overlay itself.
* @private
*/
__onNextAnimationFrame: function(callback) {
if (this.__raf) {
window.cancelAnimationFrame(this.__raf);
}
var self = this;
this.__raf = window.requestAnimationFrame(function nextAnimationFrame() {
self.__raf = null;
callback.call(self);
});
}
};
/**
Use `Polymer.IronOverlayBehavior` to implement an element that can be hidden or shown, and displays
on top of other content. It includes an optional backdrop, and can be used to implement a variety
of UI controls including dialogs and drop downs. Multiple overlays may be displayed at once.
See the [demo source code](https://github.com/PolymerElements/iron-overlay-behavior/blob/master/demo/simple-overlay.html)
for an example.
### Closing and canceling
An overlay may be hidden by closing or canceling. The difference between close and cancel is user
intent. Closing generally implies that the user acknowledged the content on the overlay. By default,
it will cancel whenever the user taps outside it or presses the escape key. This behavior is
configurable with the `no-cancel-on-esc-key` and the `no-cancel-on-outside-click` properties.
`close()` should be called explicitly by the implementer when the user interacts with a control
in the overlay element. When the dialog is canceled, the overlay fires an 'iron-overlay-canceled'
event. Call `preventDefault` on this event to prevent the overlay from closing.
### Positioning
By default the element is sized and positioned to fit and centered inside the window. You can
position and size it manually using CSS. See `Polymer.IronFitBehavior`.
### Backdrop
Set the `with-backdrop` attribute to display a backdrop behind the overlay. The backdrop is
appended to `<body>` and is of type `<iron-overlay-backdrop>`. See its doc page for styling
options.
In addition, `with-backdrop` will wrap the focus within the content in the light DOM.
Override the [`_focusableNodes` getter](#Polymer.IronOverlayBehavior:property-_focusableNodes)
to achieve a different behavior.
### Limitations
The element is styled to appear on top of other content by setting its `z-index` property. You
must ensure no element has a stacking context with a higher `z-index` than its parent stacking
context. You should place this element as a child of `<body>` whenever possible.
@demo demo/index.html
@polymerBehavior
*/
Polymer.IronOverlayBehavior = [Polymer.IronFitBehavior, Polymer.IronResizableBehavior, Polymer.IronOverlayBehaviorImpl];
/**
* Fired after the overlay opens.
* @event iron-overlay-opened
*/
/**
* Fired when the overlay is canceled, but before it is closed.
* @event iron-overlay-canceled
* @param {Event} event The closing of the overlay can be prevented
* by calling `event.preventDefault()`. The `event.detail` is the original event that
* originated the canceling (e.g. ESC keyboard event or click event outside the overlay).
*/
/**
* Fired after the overlay closes.
* @event iron-overlay-closed
* @param {Event} event The `event.detail` is the `closingReason` property
* (contains `canceled`, whether the overlay was canceled).
*/
})();
</script><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
/**
* `Polymer.NeonAnimatableBehavior` is implemented by elements containing animations for use with
* elements implementing `Polymer.NeonAnimationRunnerBehavior`.
* @polymerBehavior
*/
Polymer.NeonAnimatableBehavior = {
properties: {
/**
* Animation configuration. See README for more info.
*/
animationConfig: {
type: Object
},
/**
* Convenience property for setting an 'entry' animation. Do not set `animationConfig.entry`
* manually if using this. The animated node is set to `this` if using this property.
*/
entryAnimation: {
observer: '_entryAnimationChanged',
type: String
},
/**
* Convenience property for setting an 'exit' animation. Do not set `animationConfig.exit`
* manually if using this. The animated node is set to `this` if using this property.
*/
exitAnimation: {
observer: '_exitAnimationChanged',
type: String
}
},
_entryAnimationChanged: function() {
this.animationConfig = this.animationConfig || {};
this.animationConfig['entry'] = [{
name: this.entryAnimation,
node: this
}];
},
_exitAnimationChanged: function() {
this.animationConfig = this.animationConfig || {};
this.animationConfig['exit'] = [{
name: this.exitAnimation,
node: this
}];
},
_copyProperties: function(config1, config2) {
// shallowly copy properties from config2 to config1
for (var property in config2) {
config1[property] = config2[property];
}
},
_cloneConfig: function(config) {
var clone = {
isClone: true
};
this._copyProperties(clone, config);
return clone;
},
_getAnimationConfigRecursive: function(type, map, allConfigs) {
if (!this.animationConfig) {
return;
}
if(this.animationConfig.value && typeof this.animationConfig.value === 'function') {
this._warn(this._logf('playAnimation', "Please put 'animationConfig' inside of your components 'properties' object instead of outside of it."));
return;
}
// type is optional
var thisConfig;
if (type) {
thisConfig = this.animationConfig[type];
} else {
thisConfig = this.animationConfig;
}
if (!Array.isArray(thisConfig)) {
thisConfig = [thisConfig];
}
// iterate animations and recurse to process configurations from child nodes
if (thisConfig) {
for (var config, index = 0; config = thisConfig[index]; index++) {
if (config.animatable) {
config.animatable._getAnimationConfigRecursive(config.type || type, map, allConfigs);
} else {
if (config.id) {
var cachedConfig = map[config.id];
if (cachedConfig) {
// merge configurations with the same id, making a clone lazily
if (!cachedConfig.isClone) {
map[config.id] = this._cloneConfig(cachedConfig)
cachedConfig = map[config.id];
}
this._copyProperties(cachedConfig, config);
} else {
// put any configs with an id into a map
map[config.id] = config;
}
} else {
allConfigs.push(config);
}
}
}
}
},
/**
* An element implementing `Polymer.NeonAnimationRunnerBehavior` calls this method to configure
* an animation with an optional type. Elements implementing `Polymer.NeonAnimatableBehavior`
* should define the property `animationConfig`, which is either a configuration object
* or a map of animation type to array of configuration objects.
*/
getAnimationConfig: function(type) {
var map = {};
var allConfigs = [];
this._getAnimationConfigRecursive(type, map, allConfigs);
// append the configurations saved in the map to the array
for (var key in map) {
allConfigs.push(map[key]);
}
return allConfigs;
}
};
</script><script>
/**
* `Polymer.NeonAnimationRunnerBehavior` adds a method to run animations.
*
* @polymerBehavior Polymer.NeonAnimationRunnerBehavior
*/
Polymer.NeonAnimationRunnerBehaviorImpl = {
_configureAnimations: function(configs) {
var results = [];
if (configs.length > 0) {
for (var config, index = 0; config = configs[index]; index++) {
var neonAnimation = document.createElement(config.name);
// is this element actually a neon animation?
if (neonAnimation.isNeonAnimation) {
var result = null;
// configuration or play could fail if polyfills aren't loaded
try {
result = neonAnimation.configure(config);
// Check if we have an Effect rather than an Animation
if (typeof result.cancel != 'function') {
result = document.timeline.play(result);
}
} catch (e) {
result = null;
console.warn('Couldnt play', '(', config.name, ').', e);
}
if (result) {
results.push({
neonAnimation: neonAnimation,
config: config,
animation: result,
});
}
} else {
console.warn(this.is + ':', config.name, 'not found!');
}
}
}
return results;
},
_shouldComplete: function(activeEntries) {
var finished = true;
for (var i = 0; i < activeEntries.length; i++) {
if (activeEntries[i].animation.playState != 'finished') {
finished = false;
break;
}
}
return finished;
},
_complete: function(activeEntries) {
for (var i = 0; i < activeEntries.length; i++) {
activeEntries[i].neonAnimation.complete(activeEntries[i].config);
}
for (var i = 0; i < activeEntries.length; i++) {
activeEntries[i].animation.cancel();
}
},
/**
* Plays an animation with an optional `type`.
* @param {string=} type
* @param {!Object=} cookie
*/
playAnimation: function(type, cookie) {
var configs = this.getAnimationConfig(type);
if (!configs) {
return;
}
this._active = this._active || {};
if (this._active[type]) {
this._complete(this._active[type]);
delete this._active[type];
}
var activeEntries = this._configureAnimations(configs);
if (activeEntries.length == 0) {
this.fire('neon-animation-finish', cookie, {bubbles: false});
return;
}
this._active[type] = activeEntries;
for (var i = 0; i < activeEntries.length; i++) {
activeEntries[i].animation.onfinish = function() {
if (this._shouldComplete(activeEntries)) {
this._complete(activeEntries);
delete this._active[type];
this.fire('neon-animation-finish', cookie, {bubbles: false});
}
}.bind(this);
}
},
/**
* Cancels the currently running animations.
*/
cancelAnimation: function() {
for (var k in this._animations) {
this._animations[k].cancel();
}
this._animations = {};
}
};
/** @polymerBehavior Polymer.NeonAnimationRunnerBehavior */
Polymer.NeonAnimationRunnerBehavior = [
Polymer.NeonAnimatableBehavior,
Polymer.NeonAnimationRunnerBehaviorImpl
];
</script><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
`<opaque-animation>` makes an element `opacity:1` for the duration of the animation. Used to prevent
webkit/safari from drawing a frame before an animation for elements that animate from display:none.
-->
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
/**
* Use `Polymer.NeonAnimationBehavior` to implement an animation.
* @polymerBehavior
*/
Polymer.NeonAnimationBehavior = {
properties: {
/**
* Defines the animation timing.
*/
animationTiming: {
type: Object,
value: function() {
return {
duration: 500,
easing: 'cubic-bezier(0.4, 0, 0.2, 1)',
fill: 'both'
}
}
}
},
/**
* Can be used to determine that elements implement this behavior.
*/
isNeonAnimation: true,
/**
* Do any animation configuration here.
*/
// configure: function(config) {
// },
/**
* Returns the animation timing by mixing in properties from `config` to the defaults defined
* by the animation.
*/
timingFromConfig: function(config) {
if (config.timing) {
for (var property in config.timing) {
this.animationTiming[property] = config.timing[property];
}
}
return this.animationTiming;
},
/**
* Sets `transform` and `transformOrigin` properties along with the prefixed versions.
*/
setPrefixedProperty: function(node, property, value) {
var map = {
'transform': ['webkitTransform'],
'transformOrigin': ['mozTransformOrigin', 'webkitTransformOrigin']
};
var prefixes = map[property];
for (var prefix, index = 0; prefix = prefixes[index]; index++) {
node.style[prefix] = value;
}
node.style[property] = value;
},
/**
* Called when the animation finishes.
*/
complete: function() {}
};
</script><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script src="bower_components/web-animations-js/web-animations-next-lite.min.js"></script>
<script>
Polymer({
is: 'opaque-animation',
behaviors: [
Polymer.NeonAnimationBehavior
],
configure: function(config) {
var node = config.node;
this._effect = new KeyframeEffect(node, [
{'opacity': '1'},
{'opacity': '1'}
], this.timingFromConfig(config));
node.style.opacity = '0';
return this._effect;
},
complete: function(config) {
config.node.style.opacity = '';
}
});
</script><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
(function() {
'use strict';
/**
* Used to calculate the scroll direction during touch events.
* @type {!Object}
*/
var lastTouchPosition = {
pageX: 0,
pageY: 0
};
/**
* Used to avoid computing event.path and filter scrollable nodes (better perf).
* @type {?EventTarget}
*/
var lastRootTarget = null;
/**
* @type {!Array<Node>}
*/
var lastScrollableNodes = [];
/**
* The IronDropdownScrollManager is intended to provide a central source
* of authority and control over which elements in a document are currently
* allowed to scroll.
*/
Polymer.IronDropdownScrollManager = {
/**
* The current element that defines the DOM boundaries of the
* scroll lock. This is always the most recently locking element.
*/
get currentLockingElement() {
return this._lockingElements[this._lockingElements.length - 1];
},
/**
* Returns true if the provided element is "scroll locked", which is to
* say that it cannot be scrolled via pointer or keyboard interactions.
*
* @param {HTMLElement} element An HTML element instance which may or may
* not be scroll locked.
*/
elementIsScrollLocked: function(element) {
var currentLockingElement = this.currentLockingElement;
if (currentLockingElement === undefined)
return false;
var scrollLocked;
if (this._hasCachedLockedElement(element)) {
return true;
}
if (this._hasCachedUnlockedElement(element)) {
return false;
}
scrollLocked = !!currentLockingElement &&
currentLockingElement !== element &&
!this._composedTreeContains(currentLockingElement, element);
if (scrollLocked) {
this._lockedElementCache.push(element);
} else {
this._unlockedElementCache.push(element);
}
return scrollLocked;
},
/**
* Push an element onto the current scroll lock stack. The most recently
* pushed element and its children will be considered scrollable. All
* other elements will not be scrollable.
*
* Scroll locking is implemented as a stack so that cases such as
* dropdowns within dropdowns are handled well.
*
* @param {HTMLElement} element The element that should lock scroll.
*/
pushScrollLock: function(element) {
// Prevent pushing the same element twice
if (this._lockingElements.indexOf(element) >= 0) {
return;
}
if (this._lockingElements.length === 0) {
this._lockScrollInteractions();
}
this._lockingElements.push(element);
this._lockedElementCache = [];
this._unlockedElementCache = [];
},
/**
* Remove an element from the scroll lock stack. The element being
* removed does not need to be the most recently pushed element. However,
* the scroll lock constraints only change when the most recently pushed
* element is removed.
*
* @param {HTMLElement} element The element to remove from the scroll
* lock stack.
*/
removeScrollLock: function(element) {
var index = this._lockingElements.indexOf(element);
if (index === -1) {
return;
}
this._lockingElements.splice(index, 1);
this._lockedElementCache = [];
this._unlockedElementCache = [];
if (this._lockingElements.length === 0) {
this._unlockScrollInteractions();
}
},
_lockingElements: [],
_lockedElementCache: null,
_unlockedElementCache: null,
_hasCachedLockedElement: function(element) {
return this._lockedElementCache.indexOf(element) > -1;
},
_hasCachedUnlockedElement: function(element) {
return this._unlockedElementCache.indexOf(element) > -1;
},
_composedTreeContains: function(element, child) {
// NOTE(cdata): This method iterates over content elements and their
// corresponding distributed nodes to implement a contains-like method
// that pierces through the composed tree of the ShadowDOM. Results of
// this operation are cached (elsewhere) on a per-scroll-lock basis, to
// guard against potentially expensive lookups happening repeatedly as
// a user scrolls / touchmoves.
var contentElements;
var distributedNodes;
var contentIndex;
var nodeIndex;
if (element.contains(child)) {
return true;
}
contentElements = Polymer.dom(element).querySelectorAll('content');
for (contentIndex = 0; contentIndex < contentElements.length; ++contentIndex) {
distributedNodes = Polymer.dom(contentElements[contentIndex]).getDistributedNodes();
for (nodeIndex = 0; nodeIndex < distributedNodes.length; ++nodeIndex) {
if (this._composedTreeContains(distributedNodes[nodeIndex], child)) {
return true;
}
}
}
return false;
},
_scrollInteractionHandler: function(event) {
// Avoid canceling an event with cancelable=false, e.g. scrolling is in
// progress and cannot be interrupted.
if (event.cancelable && this._shouldPreventScrolling(event)) {
event.preventDefault();
}
// If event has targetTouches (touch event), update last touch position.
if (event.targetTouches) {
var touch = event.targetTouches[0];
lastTouchPosition.pageX = touch.pageX;
lastTouchPosition.pageY = touch.pageY;
}
},
_lockScrollInteractions: function() {
this._boundScrollHandler = this._boundScrollHandler ||
this._scrollInteractionHandler.bind(this);
// Modern `wheel` event for mouse wheel scrolling:
document.addEventListener('wheel', this._boundScrollHandler, true);
// Older, non-standard `mousewheel` event for some FF:
document.addEventListener('mousewheel', this._boundScrollHandler, true);
// IE:
document.addEventListener('DOMMouseScroll', this._boundScrollHandler, true);
// Save the lastScrollableNodes on touchstart, to be used on touchmove.
document.addEventListener('touchstart', this._boundScrollHandler, true);
// Mobile devices can scroll on touch move:
document.addEventListener('touchmove', this._boundScrollHandler, true);
},
_unlockScrollInteractions: function() {
document.removeEventListener('wheel', this._boundScrollHandler, true);
document.removeEventListener('mousewheel', this._boundScrollHandler, true);
document.removeEventListener('DOMMouseScroll', this._boundScrollHandler, true);
document.removeEventListener('touchstart', this._boundScrollHandler, true);
document.removeEventListener('touchmove', this._boundScrollHandler, true);
},
/**
* Returns true if the event causes scroll outside the current locking
* element, e.g. pointer/keyboard interactions, or scroll "leaking"
* outside the locking element when it is already at its scroll boundaries.
* @param {!Event} event
* @return {boolean}
* @private
*/
_shouldPreventScrolling: function(event) {
// Update if root target changed. For touch events, ensure we don't
// update during touchmove.
var target = Polymer.dom(event).rootTarget;
if (event.type !== 'touchmove' && lastRootTarget !== target) {
lastRootTarget = target;
lastScrollableNodes = this._getScrollableNodes(Polymer.dom(event).path);
}
// Prevent event if no scrollable nodes.
if (!lastScrollableNodes.length) {
return true;
}
// Don't prevent touchstart event inside the locking element when it has
// scrollable nodes.
if (event.type === 'touchstart') {
return false;
}
// Get deltaX/Y.
var info = this._getScrollInfo(event);
// Prevent if there is no child that can scroll.
return !this._getScrollingNode(lastScrollableNodes, info.deltaX, info.deltaY);
},
/**
* Returns an array of scrollable nodes up to the current locking element,
* which is included too if scrollable.
* @param {!Array<Node>} nodes
* @return {Array<Node>} scrollables
* @private
*/
_getScrollableNodes: function(nodes) {
var scrollables = [];
var lockingIndex = nodes.indexOf(this.currentLockingElement);
// Loop from root target to locking element (included).
for (var i = 0; i <= lockingIndex; i++) {
// Skip non-Element nodes.
if (nodes[i].nodeType !== Node.ELEMENT_NODE) {
continue;
}
var node = /** @type {!Element} */ (nodes[i]);
// Check inline style before checking computed style.
var style = node.style;
if (style.overflow !== 'scroll' && style.overflow !== 'auto') {
style = window.getComputedStyle(node);
}
if (style.overflow === 'scroll' || style.overflow === 'auto') {
scrollables.push(node);
}
}
return scrollables;
},
/**
* Returns the node that is scrolling. If there is no scrolling,
* returns undefined.
* @param {!Array<Node>} nodes
* @param {number} deltaX Scroll delta on the x-axis
* @param {number} deltaY Scroll delta on the y-axis
* @return {Node|undefined}
* @private
*/
_getScrollingNode: function(nodes, deltaX, deltaY) {
// No scroll.
if (!deltaX && !deltaY) {
return;
}
// Check only one axis according to where there is more scroll.
// Prefer vertical to horizontal.
var verticalScroll = Math.abs(deltaY) >= Math.abs(deltaX);
for (var i = 0; i < nodes.length; i++) {
var node = nodes[i];
var canScroll = false;
if (verticalScroll) {
// delta < 0 is scroll up, delta > 0 is scroll down.
canScroll = deltaY < 0 ? node.scrollTop > 0 :
node.scrollTop < node.scrollHeight - node.clientHeight;
} else {
// delta < 0 is scroll left, delta > 0 is scroll right.
canScroll = deltaX < 0 ? node.scrollLeft > 0 :
node.scrollLeft < node.scrollWidth - node.clientWidth;
}
if (canScroll) {
return node;
}
}
},
/**
* Returns scroll `deltaX` and `deltaY`.
* @param {!Event} event The scroll event
* @return {{deltaX: number, deltaY: number}} Object containing the
* x-axis scroll delta (positive: scroll right, negative: scroll left,
* 0: no scroll), and the y-axis scroll delta (positive: scroll down,
* negative: scroll up, 0: no scroll).
* @private
*/
_getScrollInfo: function(event) {
var info = {
deltaX: event.deltaX,
deltaY: event.deltaY
};
// Already available.
if ('deltaX' in event) {
// do nothing, values are already good.
}
// Safari has scroll info in `wheelDeltaX/Y`.
else if ('wheelDeltaX' in event) {
info.deltaX = -event.wheelDeltaX;
info.deltaY = -event.wheelDeltaY;
}
// Firefox has scroll info in `detail` and `axis`.
else if ('axis' in event) {
info.deltaX = event.axis === 1 ? event.detail : 0;
info.deltaY = event.axis === 2 ? event.detail : 0;
}
// On mobile devices, calculate scroll direction.
else if (event.targetTouches) {
var touch = event.targetTouches[0];
// Touch moves from right to left => scrolling goes right.
info.deltaX = lastTouchPosition.pageX - touch.pageX;
// Touch moves from down to up => scrolling goes down.
info.deltaY = lastTouchPosition.pageY - touch.pageY;
}
return info;
}
};
})();
</script><dom-module id="iron-dropdown" assetpath="bower_components/iron-dropdown/">
<template>
<style>
:host {
position: fixed;
}
#contentWrapper ::content > * {
overflow: auto;
}
#contentWrapper.animating ::content > * {
overflow: hidden;
}
</style>
<div id="contentWrapper">
<content id="content" select=".dropdown-content"></content>
</div>
</template>
<script>
(function() {
'use strict';
Polymer({
is: 'iron-dropdown',
behaviors: [
Polymer.IronControlState,
Polymer.IronA11yKeysBehavior,
Polymer.IronOverlayBehavior,
Polymer.NeonAnimationRunnerBehavior
],
properties: {
/**
* The orientation against which to align the dropdown content
* horizontally relative to the dropdown trigger.
* Overridden from `Polymer.IronFitBehavior`.
*/
horizontalAlign: {
type: String,
value: 'left',
reflectToAttribute: true
},
/**
* The orientation against which to align the dropdown content
* vertically relative to the dropdown trigger.
* Overridden from `Polymer.IronFitBehavior`.
*/
verticalAlign: {
type: String,
value: 'top',
reflectToAttribute: true
},
/**
* An animation config. If provided, this will be used to animate the
* opening of the dropdown. Pass an Array for multiple animations.
* See `neon-animation` documentation for more animation configuration
* details.
*/
openAnimationConfig: {
type: Object
},
/**
* An animation config. If provided, this will be used to animate the
* closing of the dropdown. Pass an Array for multiple animations.
* See `neon-animation` documentation for more animation configuration
* details.
*/
closeAnimationConfig: {
type: Object
},
/**
* If provided, this will be the element that will be focused when
* the dropdown opens.
*/
focusTarget: {
type: Object
},
/**
* Set to true to disable animations when opening and closing the
* dropdown.
*/
noAnimations: {
type: Boolean,
value: false
},
/**
* By default, the dropdown will constrain scrolling on the page
* to itself when opened.
* Set to true in order to prevent scroll from being constrained
* to the dropdown when it opens.
*/
allowOutsideScroll: {
type: Boolean,
value: false
},
/**
* Callback for scroll events.
* @type {Function}
* @private
*/
_boundOnCaptureScroll: {
type: Function,
value: function() {
return this._onCaptureScroll.bind(this);
}
}
},
listeners: {
'neon-animation-finish': '_onNeonAnimationFinish'
},
observers: [
'_updateOverlayPosition(positionTarget, verticalAlign, horizontalAlign, verticalOffset, horizontalOffset)'
],
/**
* The element that is contained by the dropdown, if any.
*/
get containedElement() {
return Polymer.dom(this.$.content).getDistributedNodes()[0];
},
/**
* The element that should be focused when the dropdown opens.
* @deprecated
*/
get _focusTarget() {
return this.focusTarget || this.containedElement;
},
ready: function() {
// Memoized scrolling position, used to block scrolling outside.
this._scrollTop = 0;
this._scrollLeft = 0;
// Used to perform a non-blocking refit on scroll.
this._refitOnScrollRAF = null;
},
attached: function () {
if (!this.sizingTarget || this.sizingTarget === this) {
this.sizingTarget = this.containedElement || this;
}
},
detached: function() {
this.cancelAnimation();
document.removeEventListener('scroll', this._boundOnCaptureScroll);
Polymer.IronDropdownScrollManager.removeScrollLock(this);
},
/**
* Called when the value of `opened` changes.
* Overridden from `IronOverlayBehavior`
*/
_openedChanged: function() {
if (this.opened && this.disabled) {
this.cancel();
} else {
this.cancelAnimation();
this._updateAnimationConfig();
this._saveScrollPosition();
if (this.opened) {
document.addEventListener('scroll', this._boundOnCaptureScroll);
!this.allowOutsideScroll && Polymer.IronDropdownScrollManager.pushScrollLock(this);
} else {
document.removeEventListener('scroll', this._boundOnCaptureScroll);
Polymer.IronDropdownScrollManager.removeScrollLock(this);
}
Polymer.IronOverlayBehaviorImpl._openedChanged.apply(this, arguments);
}
},
/**
* Overridden from `IronOverlayBehavior`.
*/
_renderOpened: function() {
if (!this.noAnimations && this.animationConfig.open) {
this.$.contentWrapper.classList.add('animating');
this.playAnimation('open');
} else {
Polymer.IronOverlayBehaviorImpl._renderOpened.apply(this, arguments);
}
},
/**
* Overridden from `IronOverlayBehavior`.
*/
_renderClosed: function() {
if (!this.noAnimations && this.animationConfig.close) {
this.$.contentWrapper.classList.add('animating');
this.playAnimation('close');
} else {
Polymer.IronOverlayBehaviorImpl._renderClosed.apply(this, arguments);
}
},
/**
* Called when animation finishes on the dropdown (when opening or
* closing). Responsible for "completing" the process of opening or
* closing the dropdown by positioning it or setting its display to
* none.
*/
_onNeonAnimationFinish: function() {
this.$.contentWrapper.classList.remove('animating');
if (this.opened) {
this._finishRenderOpened();
} else {
this._finishRenderClosed();
}
},
_onCaptureScroll: function() {
if (!this.allowOutsideScroll) {
this._restoreScrollPosition();
} else {
this._refitOnScrollRAF && window.cancelAnimationFrame(this._refitOnScrollRAF);
this._refitOnScrollRAF = window.requestAnimationFrame(this.refit.bind(this));
}
},
/**
* Memoizes the scroll position of the outside scrolling element.
* @private
*/
_saveScrollPosition: function() {
if (document.scrollingElement) {
this._scrollTop = document.scrollingElement.scrollTop;
this._scrollLeft = document.scrollingElement.scrollLeft;
} else {
// Since we don't know if is the body or html, get max.
this._scrollTop = Math.max(document.documentElement.scrollTop, document.body.scrollTop);
this._scrollLeft = Math.max(document.documentElement.scrollLeft, document.body.scrollLeft);
}
},
/**
* Resets the scroll position of the outside scrolling element.
* @private
*/
_restoreScrollPosition: function() {
if (document.scrollingElement) {
document.scrollingElement.scrollTop = this._scrollTop;
document.scrollingElement.scrollLeft = this._scrollLeft;
} else {
// Since we don't know if is the body or html, set both.
document.documentElement.scrollTop = this._scrollTop;
document.documentElement.scrollLeft = this._scrollLeft;
document.body.scrollTop = this._scrollTop;
document.body.scrollLeft = this._scrollLeft;
}
},
/**
* Constructs the final animation config from different properties used
* to configure specific parts of the opening and closing animations.
*/
_updateAnimationConfig: function() {
// Update the animation node to be the containedElement.
var animationNode = this.containedElement;
var animations = [].concat(this.openAnimationConfig || []).concat(this.closeAnimationConfig || []);
for (var i = 0; i < animations.length; i++) {
animations[i].node = animationNode;
}
this.animationConfig = {
open: this.openAnimationConfig,
close: this.closeAnimationConfig
};
},
/**
* Updates the overlay position based on configured horizontal
* and vertical alignment.
*/
_updateOverlayPosition: function() {
if (this.isAttached) {
// This triggers iron-resize, and iron-overlay-behavior will call refit if needed.
this.notifyResize();
}
},
/**
* Apply focus to focusTarget or containedElement
*/
_applyFocus: function () {
var focusTarget = this.focusTarget || this.containedElement;
if (focusTarget && this.opened && !this.noAutoFocus) {
focusTarget.focus();
} else {
Polymer.IronOverlayBehaviorImpl._applyFocus.apply(this, arguments);
}
}
});
})();
</script>
</dom-module>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
`<fade-in-animation>` animates the opacity of an element from 0 to 1.
Configuration:
```
{
name: 'fade-in-animation',
node: <node>
timing: <animation-timing>
}
```
-->
<script>
Polymer({
is: 'fade-in-animation',
behaviors: [
Polymer.NeonAnimationBehavior
],
configure: function(config) {
var node = config.node;
this._effect = new KeyframeEffect(node, [
{'opacity': '0'},
{'opacity': '1'}
], this.timingFromConfig(config));
return this._effect;
}
});
</script><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
`<fade-out-animation>` animates the opacity of an element from 1 to 0.
Configuration:
```
{
name: 'fade-out-animation',
node: <node>
timing: <animation-timing>
}
```
-->
<script>
Polymer({
is: 'fade-out-animation',
behaviors: [
Polymer.NeonAnimationBehavior
],
configure: function(config) {
var node = config.node;
this._effect = new KeyframeEffect(node, [
{'opacity': '1'},
{'opacity': '0'}
], this.timingFromConfig(config));
return this._effect;
}
});
</script><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><script>
Polymer({
is: 'paper-menu-grow-height-animation',
behaviors: [
Polymer.NeonAnimationBehavior
],
configure: function(config) {
var node = config.node;
var rect = node.getBoundingClientRect();
var height = rect.height;
this._effect = new KeyframeEffect(node, [{
height: (height / 2) + 'px'
}, {
height: height + 'px'
}], this.timingFromConfig(config));
return this._effect;
}
});
Polymer({
is: 'paper-menu-grow-width-animation',
behaviors: [
Polymer.NeonAnimationBehavior
],
configure: function(config) {
var node = config.node;
var rect = node.getBoundingClientRect();
var width = rect.width;
this._effect = new KeyframeEffect(node, [{
width: (width / 2) + 'px'
}, {
width: width + 'px'
}], this.timingFromConfig(config));
return this._effect;
}
});
Polymer({
is: 'paper-menu-shrink-width-animation',
behaviors: [
Polymer.NeonAnimationBehavior
],
configure: function(config) {
var node = config.node;
var rect = node.getBoundingClientRect();
var width = rect.width;
this._effect = new KeyframeEffect(node, [{
width: width + 'px'
}, {
width: width - (width / 20) + 'px'
}], this.timingFromConfig(config));
return this._effect;
}
});
Polymer({
is: 'paper-menu-shrink-height-animation',
behaviors: [
Polymer.NeonAnimationBehavior
],
configure: function(config) {
var node = config.node;
var rect = node.getBoundingClientRect();
var height = rect.height;
var top = rect.top;
this.setPrefixedProperty(node, 'transformOrigin', '0 0');
this._effect = new KeyframeEffect(node, [{
height: height + 'px',
transform: 'translateY(0)'
}, {
height: height / 2 + 'px',
transform: 'translateY(-20px)'
}], this.timingFromConfig(config));
return this._effect;
}
});
</script><dom-module id="paper-menu-button" assetpath="bower_components/paper-menu-button/">
<template>
<style>
:host {
display: inline-block;
position: relative;
padding: 8px;
outline: none;
@apply(--paper-menu-button);
}
:host([disabled]) {
cursor: auto;
color: var(--disabled-text-color);
@apply(--paper-menu-button-disabled);
}
iron-dropdown {
@apply(--paper-menu-button-dropdown);
}
.dropdown-content {
@apply(--shadow-elevation-2dp);
position: relative;
border-radius: 2px;
background-color: var(--paper-menu-button-dropdown-background, --primary-background-color);
@apply(--paper-menu-button-content);
}
:host([vertical-align="top"]) .dropdown-content {
margin-bottom: 20px;
margin-top: -10px;
top: 10px;
}
:host([vertical-align="bottom"]) .dropdown-content {
bottom: 10px;
margin-bottom: -10px;
margin-top: 20px;
}
#trigger {
cursor: pointer;
}
</style>
<div id="trigger" on-tap="toggle">
<content select=".dropdown-trigger"></content>
</div>
<iron-dropdown id="dropdown" opened="{{opened}}" horizontal-align="[[horizontalAlign]]" vertical-align="[[verticalAlign]]" dynamic-align="[[dynamicAlign]]" horizontal-offset="[[horizontalOffset]]" vertical-offset="[[verticalOffset]]" no-overlap="[[noOverlap]]" open-animation-config="[[openAnimationConfig]]" close-animation-config="[[closeAnimationConfig]]" no-animations="[[noAnimations]]" focus-target="[[_dropdownContent]]" allow-outside-scroll="[[allowOutsideScroll]]" restore-focus-on-close="[[restoreFocusOnClose]]" on-iron-overlay-canceled="__onIronOverlayCanceled">
<div class="dropdown-content">
<content id="content" select=".dropdown-content"></content>
</div>
</iron-dropdown>
</template>
<script>
(function() {
'use strict';
var config = {
ANIMATION_CUBIC_BEZIER: 'cubic-bezier(.3,.95,.5,1)',
MAX_ANIMATION_TIME_MS: 400
};
var PaperMenuButton = Polymer({
is: 'paper-menu-button',
/**
* Fired when the dropdown opens.
*
* @event paper-dropdown-open
*/
/**
* Fired when the dropdown closes.
*
* @event paper-dropdown-close
*/
behaviors: [
Polymer.IronA11yKeysBehavior,
Polymer.IronControlState
],
properties: {
/**
* True if the content is currently displayed.
*/
opened: {
type: Boolean,
value: false,
notify: true,
observer: '_openedChanged'
},
/**
* The orientation against which to align the menu dropdown
* horizontally relative to the dropdown trigger.
*/
horizontalAlign: {
type: String,
value: 'left',
reflectToAttribute: true
},
/**
* The orientation against which to align the menu dropdown
* vertically relative to the dropdown trigger.
*/
verticalAlign: {
type: String,
value: 'top',
reflectToAttribute: true
},
/**
* If true, the `horizontalAlign` and `verticalAlign` properties will
* be considered preferences instead of strict requirements when
* positioning the dropdown and may be changed if doing so reduces
* the area of the dropdown falling outside of `fitInto`.
*/
dynamicAlign: {
type: Boolean
},
/**
* A pixel value that will be added to the position calculated for the
* given `horizontalAlign`. Use a negative value to offset to the
* left, or a positive value to offset to the right.
*/
horizontalOffset: {
type: Number,
value: 0,
notify: true
},
/**
* A pixel value that will be added to the position calculated for the
* given `verticalAlign`. Use a negative value to offset towards the
* top, or a positive value to offset towards the bottom.
*/
verticalOffset: {
type: Number,
value: 0,
notify: true
},
/**
* If true, the dropdown will be positioned so that it doesn't overlap
* the button.
*/
noOverlap: {
type: Boolean
},
/**
* Set to true to disable animations when opening and closing the
* dropdown.
*/
noAnimations: {
type: Boolean,
value: false
},
/**
* Set to true to disable automatically closing the dropdown after
* a selection has been made.
*/
ignoreSelect: {
type: Boolean,
value: false
},
/**
* Set to true to enable automatically closing the dropdown after an
* item has been activated, even if the selection did not change.
*/
closeOnActivate: {
type: Boolean,
value: false
},
/**
* An animation config. If provided, this will be used to animate the
* opening of the dropdown.
*/
openAnimationConfig: {
type: Object,
value: function() {
return [{
name: 'fade-in-animation',
timing: {
delay: 100,
duration: 200
}
}, {
name: 'paper-menu-grow-width-animation',
timing: {
delay: 100,
duration: 150,
easing: config.ANIMATION_CUBIC_BEZIER
}
}, {
name: 'paper-menu-grow-height-animation',
timing: {
delay: 100,
duration: 275,
easing: config.ANIMATION_CUBIC_BEZIER
}
}];
}
},
/**
* An animation config. If provided, this will be used to animate the
* closing of the dropdown.
*/
closeAnimationConfig: {
type: Object,
value: function() {
return [{
name: 'fade-out-animation',
timing: {
duration: 150
}
}, {
name: 'paper-menu-shrink-width-animation',
timing: {
delay: 100,
duration: 50,
easing: config.ANIMATION_CUBIC_BEZIER
}
}, {
name: 'paper-menu-shrink-height-animation',
timing: {
duration: 200,
easing: 'ease-in'
}
}];
}
},
/**
* By default, the dropdown will constrain scrolling on the page
* to itself when opened.
* Set to true in order to prevent scroll from being constrained
* to the dropdown when it opens.
*/
allowOutsideScroll: {
type: Boolean,
value: false
},
/**
* Whether focus should be restored to the button when the menu closes.
*/
restoreFocusOnClose: {
type: Boolean,
value: true
},
/**
* This is the element intended to be bound as the focus target
* for the `iron-dropdown` contained by `paper-menu-button`.
*/
_dropdownContent: {
type: Object
}
},
hostAttributes: {
role: 'group',
'aria-haspopup': 'true'
},
listeners: {
'iron-activate': '_onIronActivate',
'iron-select': '_onIronSelect'
},
/**
* The content element that is contained by the menu button, if any.
*/
get contentElement() {
return Polymer.dom(this.$.content).getDistributedNodes()[0];
},
/**
* Toggles the drowpdown content between opened and closed.
*/
toggle: function() {
if (this.opened) {
this.close();
} else {
this.open();
}
},
/**
* Make the dropdown content appear as an overlay positioned relative
* to the dropdown trigger.
*/
open: function() {
if (this.disabled) {
return;
}
this.$.dropdown.open();
},
/**
* Hide the dropdown content.
*/
close: function() {
this.$.dropdown.close();
},
/**
* When an `iron-select` event is received, the dropdown should
* automatically close on the assumption that a value has been chosen.
*
* @param {CustomEvent} event A CustomEvent instance with type
* set to `"iron-select"`.
*/
_onIronSelect: function(event) {
if (!this.ignoreSelect) {
this.close();
}
},
/**
* Closes the dropdown when an `iron-activate` event is received if
* `closeOnActivate` is true.
*
* @param {CustomEvent} event A CustomEvent of type 'iron-activate'.
*/
_onIronActivate: function(event) {
if (this.closeOnActivate) {
this.close();
}
},
/**
* When the dropdown opens, the `paper-menu-button` fires `paper-open`.
* When the dropdown closes, the `paper-menu-button` fires `paper-close`.
*
* @param {boolean} opened True if the dropdown is opened, otherwise false.
* @param {boolean} oldOpened The previous value of `opened`.
*/
_openedChanged: function(opened, oldOpened) {
if (opened) {
// TODO(cdata): Update this when we can measure changes in distributed
// children in an idiomatic way.
// We poke this property in case the element has changed. This will
// cause the focus target for the `iron-dropdown` to be updated as
// necessary:
this._dropdownContent = this.contentElement;
this.fire('paper-dropdown-open');
} else if (oldOpened != null) {
this.fire('paper-dropdown-close');
}
},
/**
* If the dropdown is open when disabled becomes true, close the
* dropdown.
*
* @param {boolean} disabled True if disabled, otherwise false.
*/
_disabledChanged: function(disabled) {
Polymer.IronControlState._disabledChanged.apply(this, arguments);
if (disabled && this.opened) {
this.close();
}
},
__onIronOverlayCanceled: function(event) {
var uiEvent = event.detail;
var target = Polymer.dom(uiEvent).rootTarget;
var trigger = this.$.trigger;
var path = Polymer.dom(uiEvent).path;
if (path.indexOf(trigger) > -1) {
event.preventDefault();
}
}
});
Object.keys(config).forEach(function (key) {
PaperMenuButton[key] = config[key];
});
Polymer.PaperMenuButton = PaperMenuButton;
})();
</script>
</dom-module>
<!--
@license
Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><iron-iconset-svg name="paper-dropdown-menu" size="24">
<svg><defs>
<g id="arrow-drop-down"><path d="M7 10l5 5 5-5z"></path></g>
</defs></svg>
</iron-iconset-svg>
<!--
@license
Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><dom-module id="paper-dropdown-menu-shared-styles" assetpath="bower_components/paper-dropdown-menu/">
<template>
<style>
:host {
display: inline-block;
position: relative;
text-align: left;
/* NOTE(cdata): Both values are needed, since some phones require the
* value to be `transparent`.
*/
-webkit-tap-highlight-color: rgba(0,0,0,0);
-webkit-tap-highlight-color: transparent;
--paper-input-container-input: {
overflow: hidden;
white-space: nowrap;
text-overflow: ellipsis;
max-width: 100%;
box-sizing: border-box;
cursor: pointer;
};
@apply(--paper-dropdown-menu);
}
:host([disabled]) {
@apply(--paper-dropdown-menu-disabled);
}
:host([noink]) paper-ripple {
display: none;
}
:host([no-label-float]) paper-ripple {
top: 8px;
}
paper-ripple {
top: 12px;
left: 0px;
bottom: 8px;
right: 0px;
@apply(--paper-dropdown-menu-ripple);
}
paper-menu-button {
display: block;
padding: 0;
@apply(--paper-dropdown-menu-button);
}
paper-input {
@apply(--paper-dropdown-menu-input);
}
iron-icon {
color: var(--disabled-text-color);
@apply(--paper-dropdown-menu-icon);
}
</style>
</template>
</dom-module>
<dom-module id="paper-dropdown-menu" assetpath="bower_components/paper-dropdown-menu/">
<template>
<style include="paper-dropdown-menu-shared-styles"></style>
<!-- this div fulfills an a11y requirement for combobox, do not remove -->
<span role="button"></span>
<paper-menu-button id="menuButton" vertical-align="[[verticalAlign]]" horizontal-align="[[horizontalAlign]]" dynamic-align="[[dynamicAlign]]" vertical-offset="[[_computeMenuVerticalOffset(noLabelFloat)]]" disabled="[[disabled]]" no-animations="[[noAnimations]]" on-iron-select="_onIronSelect" on-iron-deselect="_onIronDeselect" opened="{{opened}}" close-on-activate="" allow-outside-scroll="[[allowOutsideScroll]]" restore-focus-on-close="[[restoreFocusOnClose]]">
<div class="dropdown-trigger">
<paper-ripple></paper-ripple>
<!-- paper-input has type="text" for a11y, do not remove -->
<paper-input type="text" invalid="[[invalid]]" readonly="" disabled="[[disabled]]" value="[[selectedItemLabel]]" placeholder="[[placeholder]]" error-message="[[errorMessage]]" always-float-label="[[alwaysFloatLabel]]" no-label-float="[[noLabelFloat]]" label="[[label]]">
<iron-icon icon="paper-dropdown-menu:arrow-drop-down" suffix=""></iron-icon>
</paper-input>
</div>
<content id="content" select=".dropdown-content"></content>
</paper-menu-button>
</template>
<script>
(function() {
'use strict';
Polymer({
is: 'paper-dropdown-menu',
behaviors: [
Polymer.IronButtonState,
Polymer.IronControlState,
Polymer.IronFormElementBehavior,
Polymer.IronValidatableBehavior
],
properties: {
/**
* The derived "label" of the currently selected item. This value
* is the `label` property on the selected item if set, or else the
* trimmed text content of the selected item.
*/
selectedItemLabel: {
type: String,
notify: true,
readOnly: true
},
/**
* The last selected item. An item is selected if the dropdown menu has
* a child with class `dropdown-content`, and that child triggers an
* `iron-select` event with the selected `item` in the `detail`.
*
* @type {?Object}
*/
selectedItem: {
type: Object,
notify: true,
readOnly: true
},
/**
* The value for this element that will be used when submitting in
* a form. It is read only, and will always have the same value
* as `selectedItemLabel`.
*/
value: {
type: String,
notify: true,
readOnly: true
},
/**
* The label for the dropdown.
*/
label: {
type: String
},
/**
* The placeholder for the dropdown.
*/
placeholder: {
type: String
},
/**
* The error message to display when invalid.
*/
errorMessage: {
type: String
},
/**
* True if the dropdown is open. Otherwise, false.
*/
opened: {
type: Boolean,
notify: true,
value: false,
observer: '_openedChanged'
},
/**
* By default, the dropdown will constrain scrolling on the page
* to itself when opened.
* Set to true in order to prevent scroll from being constrained
* to the dropdown when it opens.
*/
allowOutsideScroll: {
type: Boolean,
value: false
},
/**
* Set to true to disable the floating label. Bind this to the
* `<paper-input-container>`'s `noLabelFloat` property.
*/
noLabelFloat: {
type: Boolean,
value: false,
reflectToAttribute: true
},
/**
* Set to true to always float the label. Bind this to the
* `<paper-input-container>`'s `alwaysFloatLabel` property.
*/
alwaysFloatLabel: {
type: Boolean,
value: false
},
/**
* Set to true to disable animations when opening and closing the
* dropdown.
*/
noAnimations: {
type: Boolean,
value: false
},
/**
* The orientation against which to align the menu dropdown
* horizontally relative to the dropdown trigger.
*/
horizontalAlign: {
type: String,
value: 'right'
},
/**
* The orientation against which to align the menu dropdown
* vertically relative to the dropdown trigger.
*/
verticalAlign: {
type: String,
value: 'top'
},
/**
* If true, the `horizontalAlign` and `verticalAlign` properties will
* be considered preferences instead of strict requirements when
* positioning the dropdown and may be changed if doing so reduces
* the area of the dropdown falling outside of `fitInto`.
*/
dynamicAlign: {
type: Boolean
},
/**
* Whether focus should be restored to the dropdown when the menu closes.
*/
restoreFocusOnClose: {
type: Boolean,
value: true
},
},
listeners: {
'tap': '_onTap'
},
keyBindings: {
'up down': 'open',
'esc': 'close'
},
hostAttributes: {
role: 'combobox',
'aria-autocomplete': 'none',
'aria-haspopup': 'true'
},
observers: [
'_selectedItemChanged(selectedItem)'
],
attached: function() {
// NOTE(cdata): Due to timing, a preselected value in a `IronSelectable`
// child will cause an `iron-select` event to fire while the element is
// still in a `DocumentFragment`. This has the effect of causing
// handlers not to fire. So, we double check this value on attached:
var contentElement = this.contentElement;
if (contentElement && contentElement.selectedItem) {
this._setSelectedItem(contentElement.selectedItem);
}
},
/**
* The content element that is contained by the dropdown menu, if any.
*/
get contentElement() {
return Polymer.dom(this.$.content).getDistributedNodes()[0];
},
/**
* Show the dropdown content.
*/
open: function() {
this.$.menuButton.open();
},
/**
* Hide the dropdown content.
*/
close: function() {
this.$.menuButton.close();
},
/**
* A handler that is called when `iron-select` is fired.
*
* @param {CustomEvent} event An `iron-select` event.
*/
_onIronSelect: function(event) {
this._setSelectedItem(event.detail.item);
},
/**
* A handler that is called when `iron-deselect` is fired.
*
* @param {CustomEvent} event An `iron-deselect` event.
*/
_onIronDeselect: function(event) {
this._setSelectedItem(null);
},
/**
* A handler that is called when the dropdown is tapped.
*
* @param {CustomEvent} event A tap event.
*/
_onTap: function(event) {
if (Polymer.Gestures.findOriginalTarget(event) === this) {
this.open();
}
},
/**
* Compute the label for the dropdown given a selected item.
*
* @param {Element} selectedItem A selected Element item, with an
* optional `label` property.
*/
_selectedItemChanged: function(selectedItem) {
var value = '';
if (!selectedItem) {
value = '';
} else {
value = selectedItem.label || selectedItem.getAttribute('label') || selectedItem.textContent.trim();
}
this._setValue(value);
this._setSelectedItemLabel(value);
},
/**
* Compute the vertical offset of the menu based on the value of
* `noLabelFloat`.
*
* @param {boolean} noLabelFloat True if the label should not float
* above the input, otherwise false.
*/
_computeMenuVerticalOffset: function(noLabelFloat) {
// NOTE(cdata): These numbers are somewhat magical because they are
// derived from the metrics of elements internal to `paper-input`'s
// template. The metrics will change depending on whether or not the
// input has a floating label.
return noLabelFloat ? -4 : 8;
},
/**
* Returns false if the element is required and does not have a selection,
* and true otherwise.
* @param {*=} _value Ignored.
* @return {boolean} true if `required` is false, or if `required` is true
* and the element has a valid selection.
*/
_getValidity: function(_value) {
return this.disabled || !this.required || (this.required && !!this.value);
},
_openedChanged: function() {
var openState = this.opened ? 'true' : 'false';
var e = this.contentElement;
if (e) {
e.setAttribute('aria-expanded', openState);
}
}
});
})();
</script>
</dom-module>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
Material design: [Snackbards & toasts](https://www.google.com/design/spec/components/snackbars-toasts.html)
`paper-toast` provides a subtle notification toast. Only one `paper-toast` will
be visible on screen.
Use `opened` to show the toast:
Example:
<paper-toast text="Hello world!" opened></paper-toast>
Also `open()` or `show()` can be used to show the toast:
Example:
<paper-button on-click="openToast">Open Toast</paper-button>
<paper-toast id="toast" text="Hello world!"></paper-toast>
...
openToast: function() {
this.$.toast.open();
}
Set `duration` to 0, a negative number or Infinity to persist the toast on screen:
Example:
<paper-toast text="Terms and conditions" opened duration="0">
<a href="#">Show more</a>
</paper-toast>
### Styling
The following custom properties and mixins are available for styling:
Custom property | Description | Default
----------------|-------------|----------
`--paper-toast-background-color` | The paper-toast background-color | `#323232`
`--paper-toast-color` | The paper-toast color | `#f1f1f1`
This element applies the mixin `--paper-font-common-base` but does not import `paper-styles/typography.html`.
In order to apply the `Roboto` font to this element, make sure you've imported `paper-styles/typography.html`.
@group Paper Elements
@element paper-toast
@demo demo/index.html
@hero hero.svg
-->
<dom-module id="paper-toast" assetpath="bower_components/paper-toast/">
<template>
<style>
:host {
display: block;
position: fixed;
background-color: var(--paper-toast-background-color, #323232);
color: var(--paper-toast-color, #f1f1f1);
min-height: 48px;
min-width: 288px;
padding: 16px 24px;
box-sizing: border-box;
box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.26);
border-radius: 2px;
margin: 12px;
font-size: 14px;
cursor: default;
-webkit-transition: -webkit-transform 0.3s, opacity 0.3s;
transition: transform 0.3s, opacity 0.3s;
opacity: 0;
-webkit-transform: translateY(100px);
transform: translateY(100px);
@apply(--paper-font-common-base);
}
:host(.capsule) {
border-radius: 24px;
}
:host(.fit-bottom) {
width: 100%;
min-width: 0;
border-radius: 0;
margin: 0;
}
:host(.paper-toast-open) {
opacity: 1;
-webkit-transform: translateY(0px);
transform: translateY(0px);
}
</style>
<span id="label">{{text}}</span>
<content></content>
</template>
<script>
(function() {
// Keeps track of the toast currently opened.
var currentToast = null;
Polymer({
is: 'paper-toast',
behaviors: [
Polymer.IronOverlayBehavior
],
properties: {
/**
* The element to fit `this` into.
* Overridden from `Polymer.IronFitBehavior`.
*/
fitInto: {
type: Object,
value: window,
observer: '_onFitIntoChanged'
},
/**
* The orientation against which to align the dropdown content
* horizontally relative to `positionTarget`.
* Overridden from `Polymer.IronFitBehavior`.
*/
horizontalAlign: {
type: String,
value: 'left'
},
/**
* The orientation against which to align the dropdown content
* vertically relative to `positionTarget`.
* Overridden from `Polymer.IronFitBehavior`.
*/
verticalAlign: {
type: String,
value: 'bottom'
},
/**
* The duration in milliseconds to show the toast.
* Set to `0`, a negative number, or `Infinity`, to disable the
* toast auto-closing.
*/
duration: {
type: Number,
value: 3000
},
/**
* The text to display in the toast.
*/
text: {
type: String,
value: ''
},
/**
* Overridden from `IronOverlayBehavior`.
* Set to false to enable closing of the toast by clicking outside it.
*/
noCancelOnOutsideClick: {
type: Boolean,
value: true
},
/**
* Overridden from `IronOverlayBehavior`.
* Set to true to disable auto-focusing the toast or child nodes with
* the `autofocus` attribute` when the overlay is opened.
*/
noAutoFocus: {
type: Boolean,
value: true
}
},
listeners: {
'transitionend': '__onTransitionEnd'
},
/**
* Read-only. Deprecated. Use `opened` from `IronOverlayBehavior`.
* @property visible
* @deprecated
*/
get visible() {
Polymer.Base._warn('`visible` is deprecated, use `opened` instead');
return this.opened;
},
/**
* Read-only. Can auto-close if duration is a positive finite number.
* @property _canAutoClose
*/
get _canAutoClose() {
return this.duration > 0 && this.duration !== Infinity;
},
created: function() {
this._autoClose = null;
Polymer.IronA11yAnnouncer.requestAvailability();
},
/**
* Show the toast. Without arguments, this is the same as `open()` from `IronOverlayBehavior`.
* @param {(Object|string)=} properties Properties to be set before opening the toast.
* e.g. `toast.show('hello')` or `toast.show({text: 'hello', duration: 3000})`
*/
show: function(properties) {
if (typeof properties == 'string') {
properties = { text: properties };
}
for (var property in properties) {
if (property.indexOf('_') === 0) {
Polymer.Base._warn('The property "' + property + '" is private and was not set.');
} else if (property in this) {
this[property] = properties[property];
} else {
Polymer.Base._warn('The property "' + property + '" is not valid.');
}
}
this.open();
},
/**
* Hide the toast. Same as `close()` from `IronOverlayBehavior`.
*/
hide: function() {
this.close();
},
/**
* Called on transitions of the toast, indicating a finished animation
* @private
*/
__onTransitionEnd: function(e) {
// there are different transitions that are happening when opening and
// closing the toast. The last one so far is for `opacity`.
// This marks the end of the transition, so we check for this to determine if this
// is the correct event.
if (e && e.target === this && e.propertyName === 'opacity') {
if (this.opened) {
this._finishRenderOpened();
} else {
this._finishRenderClosed();
}
}
},
/**
* Overridden from `IronOverlayBehavior`.
* Called when the value of `opened` changes.
*/
_openedChanged: function() {
if (this._autoClose !== null) {
this.cancelAsync(this._autoClose);
this._autoClose = null;
}
if (this.opened) {
if (currentToast && currentToast !== this) {
currentToast.close();
}
currentToast = this;
this.fire('iron-announce', {
text: this.text
});
if (this._canAutoClose) {
this._autoClose = this.async(this.close, this.duration);
}
} else if (currentToast === this) {
currentToast = null;
}
Polymer.IronOverlayBehaviorImpl._openedChanged.apply(this, arguments);
},
/**
* Overridden from `IronOverlayBehavior`.
*/
_renderOpened: function() {
this.classList.add('paper-toast-open');
},
/**
* Overridden from `IronOverlayBehavior`.
*/
_renderClosed: function() {
this.classList.remove('paper-toast-open');
},
/**
* @private
*/
_onFitIntoChanged: function(fitInto) {
this.positionTarget = fitInto;
}
/**
* Fired when `paper-toast` is opened.
*
* @event 'iron-announce'
* @param {{text: string}} detail Contains text that will be announced.
*/
});
})();
</script>
</dom-module>
<dom-module id="node-red-polymer" assetpath="elements/">
<template>
<style>
paper-menu {
height: 100%;
overflow-y: scroll;
}
</style>
<app-drawer-layout force-narrow="[[forceNarrow]]">
<app-drawer>
<paper-menu selected="{{selected}}">
<template is="dom-repeat" items="{{menu}}">
<paper-item data-path="{{item.path}}"><i class$="{{item.icon}}"></i> {{item.title}}</paper-item>
</template>
</paper-menu>
</app-drawer>
<app-header-layout>
<app-header condenses="" reveals="" effects="waterfall">
<app-toolbar>
<paper-icon-button icon="menu" drawer-toggle=""></paper-icon-button>
<div main-title="">{{title}}</div>
</app-toolbar>
</app-header>
<iron-pages selected="{{selected}}">
<content select=".page"></content>
</iron-pages>
</app-header-layout>
</app-drawer-layout>
</template>
<script>
Polymer({
is: "node-red-polymer",
properties: {
menu: {
type: Array,
observer: 'select'
},
selected: {
type: Number,
//value: 0,
notify: true,
reflectToAttribute: true,
observer: 'navigate'
},
path: {
type: String,
notify: true,
reflectToAttribute: true
},
title: {
type: String
},
forceNarrow: {
type: Boolean,
value: null
}
},
navigate: function () {
if (typeof this.selected !== 'undefined') location.hash = '#/' + this.menu[this.selected].path;
var drawer = this.querySelector('app-drawer');
if (drawer.opened && !drawer.persistent) drawer.removeAttribute('opened');
},
select: function () {
var that = this;
this.menu.forEach(function (mItem, i) {
if (mItem.path === location.hash.substr(2)) {
that.selected = i;
}
});
},
ready: function () {
var that = this;
var drawer = this.querySelector('app-drawer');
this.querySelector('paper-menu').addEventListener('iron-items-changed', function () {
that.querySelectorAll('paper-item').forEach(function (item) {
item.addEventListener('click', function () {
if (!drawer.persistent) drawer.removeAttribute('opened');
});
});
})
}
});
</script>
</dom-module><dom-module id="node-red-paper-dropdown" assetpath="elements/">
<template>
<style>
:host {
display: inline-block;
}
paper-dropdown-menu {
width: 100%;
}
</style>
<paper-dropdown-menu label="[[label]]" horizontal-align="[[horizontalAlign]]" vertical-align="[[verticalAlign]]">
<paper-listbox style$="[[menuWidth]]" class="dropdown-content" on-iron-select="_select">
<template is="dom-repeat" items="[[options]]">
<paper-item payload-value="[[item.value]]" payload-type="[[item.type]]">[[item.label]]</paper-item>
</template>
</paper-listbox>
</paper-dropdown-menu>
</template>
<script>
Polymer({
is: 'node-red-paper-dropdown',
properties: {
options: {
type: Array
},
value: {
observer: '_value'
}
},
_select: function () {
if (this.externalChange) {
this.externalChange = false;
return;
}
var item = this.querySelector('paper-listbox').selectedItem;
this.payload = item.payloadValue;
this.fire('selected-change');
},
_value: function () {
var that = this;
var selectIndex;
var payload;
this.querySelectorAll('paper-item').forEach(function (item, index) {
var val = that.value;
switch (item.payloadType) {
case 'num':
val = parseFloat(val);
break;
case 'bool':
if (val === 'true') val = true;
if (val === 'false') val = false;
break;
}
if (item.payloadValue === val) {
selectIndex = index;
payload = val;
}
});
this.externalChange = true;
this.payload = payload;
this.querySelector('paper-listbox').selectIndex(selectIndex);
}
});
</script>
</dom-module>
<dom-module id="node-red-paper-button" assetpath="elements/">
<template>
<style>
:host {
display: inline-block;
height: 42px;
}
paper-button {
width: 100%;
height: 100%;
}
</style>
<paper-button id="button" raised$="[[raised]]" disabled$="[[disabled]]">
[[label]]
</paper-button>
</template>
<script>
Polymer({
is: 'node-red-paper-button',
properties: {
label: {
type: String,
value: ''
},
repeat: {
type: Number,
value: 0
}
},
ready: function () {
var that = this;
var button = this.querySelector('paper-button');
var interval;
button.addEventListener('mousedown', start);
button.addEventListener('mouseup', end);
button.addEventListener('mouseout', end);
button.addEventListener('click', function () {
if (!that.repeat) that.fire('send');
});
function start() {
if (that.repeat) {
that.fire('send');
if (!interval) {
interval = setInterval(function () {
that.fire('send');
}, that.repeat * 1000)
}
}
}
function end() {
clearInterval(interval);
interval = null;
}
}
})
</script>
</dom-module><dom-module id="node-red-external" assetpath="elements/">
<template>
<style>
:host {
display: inline-block;
}
img {
width: 100%;
}
iframe {
border: 0;
padding: 0;
margin: 0;
width: 100%;
height: 100%;
}
</style>
<template is="dom-if" if="{{_isImg(srcType)}}">
<img src="{{srcUrl}}">
</template>
<template is="dom-if" if="{{_isIframe(srcType)}}">
<iframe src="{{srcUrl}}"></iframe>
</template>
</template>
<script>
Polymer({
is: 'node-red-external',
properties: {
srcUrl: {
type: String
},
srcType: {
type: String,
value: 'img'
},
srcInterval: {
type: String
}
},
ready: function () {
var elem;
var that = this;
setTimeout(function () {
switch (that.srcType) {
case 'img':
elem = that.querySelector('img');
break;
case 'iframe':
elem = that.querySelector('iframe');
break;
}
if (that.srcInterval) {
setInterval(function () {
elem.src = '';
elem.src = that.srcUrl + (that.srcUrl.indexOf('?') === -1 ? '?' : '&') + 'nocachetimestamp=' + (new Date()).getTime();
}, that.srcInterval * 1000);
}
}, 0);
},
_isImg: function (type) {
return type === 'img';
},
_isIframe: function (type) {
return type === 'iframe';
}
})
</script>
</dom-module><!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--><!--
`iron-collapse` creates a collapsible block of content. By default, the content
will be collapsed. Use `opened` or `toggle()` to show/hide the content.
<button on-click="toggle">toggle collapse</button>
<iron-collapse id="collapse">
<div>Content goes here...</div>
</iron-collapse>
...
toggle: function() {
this.$.collapse.toggle();
}
`iron-collapse` adjusts the max-height/max-width of the collapsible element to show/hide
the content. So avoid putting padding/margin/border on the collapsible directly,
and instead put a div inside and style that.
<style>
.collapse-content {
padding: 15px;
border: 1px solid #dedede;
}
</style>
<iron-collapse>
<div class="collapse-content">
<div>Content goes here...</div>
</div>
</iron-collapse>
### Styling
The following custom properties and mixins are available for styling:
Custom property | Description | Default
----------------|-------------|----------
`--iron-collapse-transition-duration` | Animation transition duration | `300ms`
@group Iron Elements
@hero hero.svg
@demo demo/index.html
@element iron-collapse
-->
<dom-module id="iron-collapse" assetpath="bower_components/iron-collapse/">
<template>
<style>
:host {
display: block;
transition-duration: var(--iron-collapse-transition-duration, 300ms);
overflow: visible;
}
:host(.iron-collapse-closed) {
display: none;
}
:host(:not(.iron-collapse-opened)) {
overflow: hidden;
}
</style>
<content></content>
</template>
</dom-module>
<script>
Polymer({
is: 'iron-collapse',
behaviors: [
Polymer.IronResizableBehavior
],
properties: {
/**
* If true, the orientation is horizontal; otherwise is vertical.
*
* @attribute horizontal
*/
horizontal: {
type: Boolean,
value: false,
observer: '_horizontalChanged'
},
/**
* Set opened to true to show the collapse element and to false to hide it.
*
* @attribute opened
*/
opened: {
type: Boolean,
value: false,
notify: true,
observer: '_openedChanged'
},
/**
* When true, the element is transitioning its opened state. When false,
* the element has finished opening/closing.
*
* @attribute transitioning
*/
transitioning: {
type: Boolean,
notify: true,
readOnly: true
},
/**
* Set noAnimation to true to disable animations.
*
* @attribute noAnimation
*/
noAnimation: {
type: Boolean
},
/**
* Stores the desired size of the collapse body.
* @private
*/
_desiredSize: {
type: String,
value: ''
}
},
get dimension() {
return this.horizontal ? 'width' : 'height';
},
/**
* `maxWidth` or `maxHeight`.
* @private
*/
get _dimensionMax() {
return this.horizontal ? 'maxWidth' : 'maxHeight';
},
/**
* `max-width` or `max-height`.
* @private
*/
get _dimensionMaxCss() {
return this.horizontal ? 'max-width' : 'max-height';
},
hostAttributes: {
role: 'group',
'aria-hidden': 'true',
'aria-expanded': 'false'
},
listeners: {
transitionend: '_onTransitionEnd'
},
/**
* Toggle the opened state.
*
* @method toggle
*/
toggle: function() {
this.opened = !this.opened;
},
show: function() {
this.opened = true;
},
hide: function() {
this.opened = false;
},
/**
* Updates the size of the element.
* @param {string} size The new value for `maxWidth`/`maxHeight` as css property value, usually `auto` or `0px`.
* @param {boolean=} animated if `true` updates the size with an animation, otherwise without.
*/
updateSize: function(size, animated) {
// Consider 'auto' as '', to take full size.
size = size === 'auto' ? '' : size;
var willAnimate = animated && !this.noAnimation &&
this.isAttached && this._desiredSize !== size;
this._desiredSize = size;
this._updateTransition(false);
// If we can animate, must do some prep work.
if (willAnimate) {
// Animation will start at the current size.
var startSize = this._calcSize();
// For `auto` we must calculate what is the final size for the animation.
// After the transition is done, _transitionEnd will set the size back to `auto`.
if (size === '') {
this.style[this._dimensionMax] = '';
size = this._calcSize();
}
// Go to startSize without animation.
this.style[this._dimensionMax] = startSize;
// Force layout to ensure transition will go. Set scrollTop to itself
// so that compilers won't remove it.
this.scrollTop = this.scrollTop;
// Enable animation.
this._updateTransition(true);
// If final size is the same as startSize it will not animate.
willAnimate = (size !== startSize);
}
// Set the final size.
this.style[this._dimensionMax] = size;
// If it won't animate, call transitionEnd to set correct classes.
if (!willAnimate) {
this._transitionEnd();
}
},
/**
* enableTransition() is deprecated, but left over so it doesn't break existing code.
* Please use `noAnimation` property instead.
*
* @method enableTransition
* @deprecated since version 1.0.4
*/
enableTransition: function(enabled) {
Polymer.Base._warn('`enableTransition()` is deprecated, use `noAnimation` instead.');
this.noAnimation = !enabled;
},
_updateTransition: function(enabled) {
this.style.transitionDuration = (enabled && !this.noAnimation) ? '' : '0s';
},
_horizontalChanged: function() {
this.style.transitionProperty = this._dimensionMaxCss;
var otherDimension = this._dimensionMax === 'maxWidth' ? 'maxHeight' : 'maxWidth';
this.style[otherDimension] = '';
this.updateSize(this.opened ? 'auto' : '0px', false);
},
_openedChanged: function() {
this.setAttribute('aria-expanded', this.opened);
this.setAttribute('aria-hidden', !this.opened);
this._setTransitioning(true);
this.toggleClass('iron-collapse-closed', false);
this.toggleClass('iron-collapse-opened', false);
this.updateSize(this.opened ? 'auto' : '0px', true);
// Focus the current collapse.
if (this.opened) {
this.focus();
}
},
_transitionEnd: function() {
this.style[this._dimensionMax] = this._desiredSize;
this.toggleClass('iron-collapse-closed', !this.opened);
this.toggleClass('iron-collapse-opened', this.opened);
this._updateTransition(false);
this.notifyResize();
this._setTransitioning(false);
},
_onTransitionEnd: function(event) {
if (Polymer.dom(event).rootTarget === this) {
this._transitionEnd();
}
},
_calcSize: function() {
return this.getBoundingClientRect()[this.dimension] + 'px';
}
});
</script>
<dom-module id="node-red-collapse" assetpath="elements/">
<template>
<style>
.header {
@apply(--layout-horizontal);
@apply(--layout-justified);
}
.header .title-text {
padding: 16px;
font-size: 24px;
font-weight: 400;
color: var(--paper-card-header-color, #000);
}
.header paper-icon-button {
top: 8px;
right: 8px;
color: var(--paper-card-header-color, #000);
}
</style>
<div class="header" on-tap="_toggleOpened">
<div class="flex">
<div class="title-text">[[heading]]</div>
</div>
<paper-icon-button class="toogle" icon="[[_toggleIcon]]"></paper-icon-button>
</div>
<iron-collapse opened="{{opened}}">
<div class="card-content"></div>
</iron-collapse>
</template>
<script>
Polymer({
is: 'node-red-collapse',
properties: {
opened: {
type: Boolean
},
_toggleIcon: {
type: String,
computed: '_computeToggleIcon(opened)'
}
},
_toggleOpened: function () {
this.opened = !this.opened;
},
_computeToggleIcon: function(opened) {
return opened ? 'icons:expand-less' : 'icons:expand-more';
}
})
</script>
</dom-module><style is="custom-style">
body.theme-dark {
background-color: #424b4b;
}
.theme-dark node-red-polymer ::content #contentContainer {
background-color: #424b4b;
}
.theme-dark node-red-polymer ::content app-toolbar {
background-color: #101010;
color: #ddd;
}
.theme-dark node-red-polymer ::content paper-dropdown-menu paper-listbox {
background-color: #424b4b;
color: #ddd;
}
.theme-dark node-red-polymer ::content paper-button {
background-color: #424b4b;
color: #ddd;
}
.theme-dark node-red-polymer, .theme-dark node-red-polymer *, .theme-dark node-red-polymer ::content * {
--paper-card-background-color: #2c2f2f;
--paper-card-header-color: #ffffff;
--default-primary-color: #3b8183;
--dark-primary-color: #424b4b;
--light-primary-color: #c5cae9;
--text-primary-color: #ffffff;
--accent-color: #ff4081;
--primary-background-color: #ffffff;
--primary-text-color: #ffffff;
--secondary-text-color: #ffffff;
--disabled-text-color: black;
--divider-color: #e0e0e0;
--paper-checkbox-checked-color: #3b8183;
--paper-checkbox-checked-ink-color: #3b8183;
--paper-checkbox-unchecked-color: #424b4b;
--paper-checkbox-unchecked-ink-color: #424b4b;
--paper-checkbox-label-color: #ffffff;
--paper-fab-background: #3b8183;
--paper-fab-disabled-background: #4e5151;
--paper-fab-disabled-text: black;
--paper-icon-button-disabled-text: #4e5151;
--paper-input-container-color: #888;
--paper-input-container-focus-color: #ddd;
--paper-input-container-invalid-color: red;
--paper-input-container-input-color: #ddd;
--paper-menu-background-color: #2c2f2f;
--paper-menu-color: #ffffff;
--paper-menu-disabled-color: #4e5151;
--paper-progress-active-color: #3b8183;
--paper-progress-secondary-color: #4db6ac;
--paper-radio-button-checked-color: white;
--paper-radio-button-checked-ink-color: #f5fbfb;
--paper-radio-button-unchecked-color: #ffffff;
--paper-radio-button-unchecked-ink-color: #ffffff;
--paper-radio-button-label-color: #ffffff;
--paper-slider-knob-color: #3b8183;
--paper-slider-active-color: #3b8183;
--paper-slider-pin-color: #3b8183;
--paper-spinner-layer-1-color: #3b8183;
--paper-spinner-layer-2-color: #3b8183;
--paper-spinner-layer-3-color: #3b8183;
--paper-spinner-layer-4-color: #3b8183;
--paper-tabs-selection-bar-color: #3b8183;
--paper-tab-ink: #3b8183;
--paper-toggle-button-checked-bar-color: #424b4b;
--paper-toggle-button-checked-button-color: white;
--paper-toggle-button-checked-ink-color: white;
--paper-toggle-button-unchecked-bar-color: #ffffff;
--paper-toggle-button-unchecked-button-color: #424b4b;
--paper-toggle-button-unchecked-ink-color: white;
--paper-toolbar-background: #424b4b;
--paper-toolbar-color: #bdced7;
}
</style></div>
<div class="loader"></div>
<node-red-polymer></node-red-polymer>
<paper-toast id="disconnect" duration="Infinity" always-on-top="" no-cancel-on-esc-key="" no-cancel-on-outside-click="" text="Connection to server lost"></paper-toast>
<script src="index.js"></script>
</body></html>