strong-arc
Version:
A visual suite for the StrongLoop API Platform
996 lines (853 loc) • 33 kB
JavaScript
/*
* Copyright (C) 2011 Google Inc. All rights reserved.
* Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
* Copyright (C) 2007 Matt Lilek (pewtermoose@gmail.com).
* Copyright (C) 2009 Joseph Pecoraro
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @param {!Element} element
* @param {?function(!MouseEvent): boolean} elementDragStart
* @param {function(!MouseEvent)} elementDrag
* @param {?function(!MouseEvent)} elementDragEnd
* @param {string} cursor
* @param {?string=} hoverCursor
*/
WebInspector.installDragHandle = function(element, elementDragStart, elementDrag, elementDragEnd, cursor, hoverCursor)
{
element.addEventListener("mousedown", WebInspector.elementDragStart.bind(WebInspector, elementDragStart, elementDrag, elementDragEnd, cursor), false);
if (hoverCursor !== null)
element.style.cursor = hoverCursor || cursor;
}
/**
* @param {?function(!MouseEvent):boolean} elementDragStart
* @param {function(!MouseEvent)} elementDrag
* @param {?function(!MouseEvent)} elementDragEnd
* @param {string} cursor
* @param {!Event} event
*/
WebInspector.elementDragStart = function(elementDragStart, elementDrag, elementDragEnd, cursor, event)
{
// Only drag upon left button. Right will likely cause a context menu. So will ctrl-click on mac.
if (event.button || (WebInspector.isMac() && event.ctrlKey))
return;
if (WebInspector._elementDraggingEventListener)
return;
if (elementDragStart && !elementDragStart(/** @type {!MouseEvent} */ (event)))
return;
if (WebInspector._elementDraggingGlassPane) {
WebInspector._elementDraggingGlassPane.dispose();
delete WebInspector._elementDraggingGlassPane;
}
var targetDocument = event.target.ownerDocument;
WebInspector._elementDraggingEventListener = elementDrag;
WebInspector._elementEndDraggingEventListener = elementDragEnd;
WebInspector._mouseOutWhileDraggingTargetDocument = targetDocument;
targetDocument.addEventListener("mousemove", WebInspector._elementDragMove, true);
targetDocument.addEventListener("mouseup", WebInspector._elementDragEnd, true);
targetDocument.addEventListener("mouseout", WebInspector._mouseOutWhileDragging, true);
targetDocument.body.style.cursor = cursor;
event.preventDefault();
}
WebInspector._mouseOutWhileDragging = function()
{
WebInspector._unregisterMouseOutWhileDragging();
WebInspector._elementDraggingGlassPane = new WebInspector.GlassPane();
}
WebInspector._unregisterMouseOutWhileDragging = function()
{
if (!WebInspector._mouseOutWhileDraggingTargetDocument)
return;
WebInspector._mouseOutWhileDraggingTargetDocument.removeEventListener("mouseout", WebInspector._mouseOutWhileDragging, true);
delete WebInspector._mouseOutWhileDraggingTargetDocument;
}
/**
* @param {!Event} event
*/
WebInspector._elementDragMove = function(event)
{
if (WebInspector._elementDraggingEventListener(/** @type {!MouseEvent} */ (event)))
WebInspector._cancelDragEvents(event);
}
/**
* @param {!Event} event
*/
WebInspector._cancelDragEvents = function(event)
{
var targetDocument = event.target.ownerDocument;
targetDocument.removeEventListener("mousemove", WebInspector._elementDragMove, true);
targetDocument.removeEventListener("mouseup", WebInspector._elementDragEnd, true);
WebInspector._unregisterMouseOutWhileDragging();
targetDocument.body.style.removeProperty("cursor");
if (WebInspector._elementDraggingGlassPane)
WebInspector._elementDraggingGlassPane.dispose();
delete WebInspector._elementDraggingGlassPane;
delete WebInspector._elementDraggingEventListener;
delete WebInspector._elementEndDraggingEventListener;
}
/**
* @param {!Event} event
*/
WebInspector._elementDragEnd = function(event)
{
var elementDragEnd = WebInspector._elementEndDraggingEventListener;
WebInspector._cancelDragEvents(/** @type {!MouseEvent} */ (event));
event.preventDefault();
if (elementDragEnd)
elementDragEnd(/** @type {!MouseEvent} */ (event));
}
/**
* @constructor
*/
WebInspector.GlassPane = function()
{
this.element = document.createElement("div");
this.element.style.cssText = "position:absolute;top:0;bottom:0;left:0;right:0;background-color:transparent;z-index:1000;";
this.element.id = "glass-pane";
document.body.appendChild(this.element);
WebInspector._glassPane = this;
}
WebInspector.GlassPane.prototype = {
dispose: function()
{
delete WebInspector._glassPane;
if (WebInspector.GlassPane.DefaultFocusedViewStack.length)
WebInspector.GlassPane.DefaultFocusedViewStack.peekLast().focus();
this.element.remove();
}
}
/**
* @type {!Array.<!WebInspector.View|!WebInspector.Dialog>}
*/
WebInspector.GlassPane.DefaultFocusedViewStack = [];
/**
* @param {?Node=} node
* @return {boolean}
*/
WebInspector.isBeingEdited = function(node)
{
if (!node || node.nodeType !== Node.ELEMENT_NODE)
return false;
var element = /** {!Element} */ (node);
if (element.classList.contains("text-prompt") || element.nodeName === "INPUT" || element.nodeName === "TEXTAREA")
return true;
if (!WebInspector.__editingCount)
return false;
while (element) {
if (element.__editing)
return true;
element = element.parentElement;
}
return false;
}
/**
* @param {!Element} element
* @param {boolean} value
* @return {boolean}
*/
WebInspector.markBeingEdited = function(element, value)
{
if (value) {
if (element.__editing)
return false;
element.classList.add("being-edited");
element.__editing = true;
WebInspector.__editingCount = (WebInspector.__editingCount || 0) + 1;
} else {
if (!element.__editing)
return false;
element.classList.remove("being-edited");
delete element.__editing;
--WebInspector.__editingCount;
}
return true;
}
WebInspector.CSSNumberRegex = /^(-?(?:\d+(?:\.\d+)?|\.\d+))$/;
WebInspector.StyleValueDelimiters = " \xA0\t\n\"':;,/()";
/**
* @param {!Event} event
* @return {?string}
*/
WebInspector._valueModificationDirection = function(event)
{
var direction = null;
if (event.type === "mousewheel") {
if (event.wheelDeltaY > 0)
direction = "Up";
else if (event.wheelDeltaY < 0)
direction = "Down";
} else {
if (event.keyIdentifier === "Up" || event.keyIdentifier === "PageUp")
direction = "Up";
else if (event.keyIdentifier === "Down" || event.keyIdentifier === "PageDown")
direction = "Down";
}
return direction;
}
/**
* @param {string} hexString
* @param {!Event} event
*/
WebInspector._modifiedHexValue = function(hexString, event)
{
var direction = WebInspector._valueModificationDirection(event);
if (!direction)
return hexString;
var number = parseInt(hexString, 16);
if (isNaN(number) || !isFinite(number))
return hexString;
var maxValue = Math.pow(16, hexString.length) - 1;
var arrowKeyOrMouseWheelEvent = (event.keyIdentifier === "Up" || event.keyIdentifier === "Down" || event.type === "mousewheel");
var delta;
if (arrowKeyOrMouseWheelEvent)
delta = (direction === "Up") ? 1 : -1;
else
delta = (event.keyIdentifier === "PageUp") ? 16 : -16;
if (event.shiftKey)
delta *= 16;
var result = number + delta;
if (result < 0)
result = 0; // Color hex values are never negative, so clamp to 0.
else if (result > maxValue)
return hexString;
// Ensure the result length is the same as the original hex value.
var resultString = result.toString(16).toUpperCase();
for (var i = 0, lengthDelta = hexString.length - resultString.length; i < lengthDelta; ++i)
resultString = "0" + resultString;
return resultString;
}
/**
* @param {number} number
* @param {!Event} event
*/
WebInspector._modifiedFloatNumber = function(number, event)
{
var direction = WebInspector._valueModificationDirection(event);
if (!direction)
return number;
var arrowKeyOrMouseWheelEvent = (event.keyIdentifier === "Up" || event.keyIdentifier === "Down" || event.type === "mousewheel");
// Jump by 10 when shift is down or jump by 0.1 when Alt/Option is down.
// Also jump by 10 for page up and down, or by 100 if shift is held with a page key.
var changeAmount = 1;
if (event.shiftKey && !arrowKeyOrMouseWheelEvent)
changeAmount = 100;
else if (event.shiftKey || !arrowKeyOrMouseWheelEvent)
changeAmount = 10;
else if (event.altKey)
changeAmount = 0.1;
if (direction === "Down")
changeAmount *= -1;
// Make the new number and constrain it to a precision of 6, this matches numbers the engine returns.
// Use the Number constructor to forget the fixed precision, so 1.100000 will print as 1.1.
var result = Number((number + changeAmount).toFixed(6));
if (!String(result).match(WebInspector.CSSNumberRegex))
return null;
return result;
}
/**
* @param {!Event} event
* @param {!Element} element
* @param {function(string,string)=} finishHandler
* @param {function(string)=} suggestionHandler
* @param {function(string, number, string):string=} customNumberHandler
* @return {boolean}
*/
WebInspector.handleElementValueModifications = function(event, element, finishHandler, suggestionHandler, customNumberHandler)
{
var arrowKeyOrMouseWheelEvent = (event.keyIdentifier === "Up" || event.keyIdentifier === "Down" || event.type === "mousewheel");
var pageKeyPressed = (event.keyIdentifier === "PageUp" || event.keyIdentifier === "PageDown");
if (!arrowKeyOrMouseWheelEvent && !pageKeyPressed)
return false;
var selection = window.getSelection();
if (!selection.rangeCount)
return false;
var selectionRange = selection.getRangeAt(0);
if (!selectionRange.commonAncestorContainer.isSelfOrDescendant(element))
return false;
var originalValue = element.textContent;
var wordRange = selectionRange.startContainer.rangeOfWord(selectionRange.startOffset, WebInspector.StyleValueDelimiters, element);
var wordString = wordRange.toString();
if (suggestionHandler && suggestionHandler(wordString))
return false;
var replacementString;
var prefix, suffix, number;
var matches;
matches = /(.*#)([\da-fA-F]+)(.*)/.exec(wordString);
if (matches && matches.length) {
prefix = matches[1];
suffix = matches[3];
number = WebInspector._modifiedHexValue(matches[2], event);
replacementString = customNumberHandler ? customNumberHandler(prefix, number, suffix) : prefix + number + suffix;
} else {
matches = /(.*?)(-?(?:\d+(?:\.\d+)?|\.\d+))(.*)/.exec(wordString);
if (matches && matches.length) {
prefix = matches[1];
suffix = matches[3];
number = WebInspector._modifiedFloatNumber(parseFloat(matches[2]), event);
// Need to check for null explicitly.
if (number === null)
return false;
replacementString = customNumberHandler ? customNumberHandler(prefix, number, suffix) : prefix + number + suffix;
}
}
if (replacementString) {
var replacementTextNode = document.createTextNode(replacementString);
wordRange.deleteContents();
wordRange.insertNode(replacementTextNode);
var finalSelectionRange = document.createRange();
finalSelectionRange.setStart(replacementTextNode, 0);
finalSelectionRange.setEnd(replacementTextNode, replacementString.length);
selection.removeAllRanges();
selection.addRange(finalSelectionRange);
event.handled = true;
event.preventDefault();
if (finishHandler)
finishHandler(originalValue, replacementString);
return true;
}
return false;
}
/**
* @param {number} ms
* @param {number=} precision
* @return {string}
*/
Number.preciseMillisToString = function(ms, precision)
{
precision = precision || 0;
var format = "%." + precision + "f\u2009ms";
return WebInspector.UIString(format, ms);
}
/** @type {!WebInspector.UIStringFormat} */
WebInspector._subMillisFormat = new WebInspector.UIStringFormat("%.3f\u2009ms");
/** @type {!WebInspector.UIStringFormat} */
WebInspector._millisFormat = new WebInspector.UIStringFormat("%.0f\u2009ms");
/** @type {!WebInspector.UIStringFormat} */
WebInspector._secondsFormat = new WebInspector.UIStringFormat("%.2f\u2009s");
/** @type {!WebInspector.UIStringFormat} */
WebInspector._minutesFormat = new WebInspector.UIStringFormat("%.1f\u2009min");
/** @type {!WebInspector.UIStringFormat} */
WebInspector._hoursFormat = new WebInspector.UIStringFormat("%.1f\u2009hrs");
/** @type {!WebInspector.UIStringFormat} */
WebInspector._daysFormat = new WebInspector.UIStringFormat("%.1f\u2009days");
/**
* @param {number} ms
* @param {boolean=} higherResolution
* @return {string}
*/
Number.millisToString = function(ms, higherResolution)
{
if (!isFinite(ms))
return "-";
if (ms === 0)
return "0";
if (higherResolution && ms < 1000)
return WebInspector._subMillisFormat.format(ms);
else if (ms < 1000)
return WebInspector._millisFormat.format(ms);
var seconds = ms / 1000;
if (seconds < 60)
return WebInspector._secondsFormat.format(seconds);
var minutes = seconds / 60;
if (minutes < 60)
return WebInspector._minutesFormat.format(minutes);
var hours = minutes / 60;
if (hours < 24)
return WebInspector._hoursFormat.format(hours);
var days = hours / 24;
return WebInspector._daysFormat.format(days);
}
/**
* @param {number} seconds
* @param {boolean=} higherResolution
* @return {string}
*/
Number.secondsToString = function(seconds, higherResolution)
{
if (!isFinite(seconds))
return "-";
return Number.millisToString(seconds * 1000, higherResolution);
}
/**
* @param {number} bytes
* @return {string}
*/
Number.bytesToString = function(bytes)
{
if (bytes < 1024)
return WebInspector.UIString("%.0f\u2009B", bytes);
var kilobytes = bytes / 1024;
if (kilobytes < 100)
return WebInspector.UIString("%.1f\u2009KB", kilobytes);
if (kilobytes < 1024)
return WebInspector.UIString("%.0f\u2009KB", kilobytes);
var megabytes = kilobytes / 1024;
if (megabytes < 100)
return WebInspector.UIString("%.1f\u2009MB", megabytes);
else
return WebInspector.UIString("%.0f\u2009MB", megabytes);
}
/**
* @param {number} num
* @return {string}
*/
Number.withThousandsSeparator = function(num)
{
var str = num + "";
var re = /(\d+)(\d{3})/;
while (str.match(re))
str = str.replace(re, "$1\u2009$2"); // \u2009 is a thin space.
return str;
}
/**
* @return {boolean}
*/
WebInspector.useLowerCaseMenuTitles = function()
{
return WebInspector.platform() === "windows";
}
/**
* @param {string} format
* @param {?ArrayLike} substitutions
* @param {!Object.<string, function(string, ...):*>} formatters
* @param {string} initialValue
* @param {function(string, string): ?} append
* @return {!{formattedResult: string, unusedSubstitutions: ?ArrayLike}};
*/
WebInspector.formatLocalized = function(format, substitutions, formatters, initialValue, append)
{
return String.format(WebInspector.UIString(format), substitutions, formatters, initialValue, append);
}
/**
* @return {string}
*/
WebInspector.openLinkExternallyLabel = function()
{
return WebInspector.UIString(WebInspector.useLowerCaseMenuTitles() ? "Open link in new tab" : "Open Link in New Tab");
}
/**
* @return {string}
*/
WebInspector.copyLinkAddressLabel = function()
{
return WebInspector.UIString(WebInspector.useLowerCaseMenuTitles() ? "Copy link address" : "Copy Link Address");
}
/**
* @return {string}
*/
WebInspector.anotherProfilerActiveLabel = function()
{
return WebInspector.UIString("Another profiler is already active");
}
/**
* @param {string|undefined} description
* @return {string}
*/
WebInspector.asyncStackTraceLabel = function(description)
{
if (description)
return description + " " + WebInspector.UIString("(async)");
return WebInspector.UIString("Async Call");
}
/**
* @return {string}
*/
WebInspector.manageBlackboxingButtonLabel = function()
{
return WebInspector.UIString("Manage framework blackboxing...");
}
WebInspector.installPortStyles = function()
{
var platform = WebInspector.platform();
document.body.classList.add("platform-" + platform);
var flavor = WebInspector.platformFlavor();
if (flavor)
document.body.classList.add("platform-" + flavor);
var port = WebInspector.port();
document.body.classList.add("port-" + port);
}
WebInspector._windowFocused = function(event)
{
if (event.target.document.nodeType === Node.DOCUMENT_NODE)
document.body.classList.remove("inactive");
}
WebInspector._windowBlurred = function(event)
{
if (event.target.document.nodeType === Node.DOCUMENT_NODE)
document.body.classList.add("inactive");
}
/**
* @return {!Element}
*/
WebInspector.previousFocusElement = function()
{
return WebInspector._previousFocusElement;
}
/**
* @return {!Element}
*/
WebInspector.currentFocusElement = function()
{
return WebInspector._currentFocusElement;
}
WebInspector._focusChanged = function(event)
{
WebInspector.setCurrentFocusElement(event.target);
}
WebInspector._documentBlurred = function(event)
{
// We want to know when currentFocusElement loses focus to nowhere.
// This is the case when event.relatedTarget is null (no element is being focused)
// and document.activeElement is reset to default (this is not a window blur).
if (!event.relatedTarget && document.activeElement === document.body)
WebInspector.setCurrentFocusElement(null);
}
WebInspector._textInputTypes = ["text", "search", "tel", "url", "email", "password"].keySet();
WebInspector._isTextEditingElement = function(element)
{
if (element instanceof HTMLInputElement)
return element.type in WebInspector._textInputTypes;
if (element instanceof HTMLTextAreaElement)
return true;
return false;
}
WebInspector.setCurrentFocusElement = function(x)
{
if (WebInspector._glassPane && x && !WebInspector._glassPane.element.isAncestor(x))
return;
if (WebInspector._currentFocusElement !== x)
WebInspector._previousFocusElement = WebInspector._currentFocusElement;
WebInspector._currentFocusElement = x;
if (WebInspector._currentFocusElement) {
WebInspector._currentFocusElement.focus();
// Make a caret selection inside the new element if there isn't a range selection and there isn't already a caret selection inside.
// This is needed (at least) to remove caret from console when focus is moved to some element in the panel.
// The code below should not be applied to text fields and text areas, hence _isTextEditingElement check.
var selection = window.getSelection();
if (!WebInspector._isTextEditingElement(WebInspector._currentFocusElement) && selection.isCollapsed && !WebInspector._currentFocusElement.isInsertionCaretInside()) {
var selectionRange = WebInspector._currentFocusElement.ownerDocument.createRange();
selectionRange.setStart(WebInspector._currentFocusElement, 0);
selectionRange.setEnd(WebInspector._currentFocusElement, 0);
selection.removeAllRanges();
selection.addRange(selectionRange);
}
} else if (WebInspector._previousFocusElement)
WebInspector._previousFocusElement.blur();
}
WebInspector.restoreFocusFromElement = function(element)
{
if (element && element.isSelfOrAncestor(WebInspector.currentFocusElement()))
WebInspector.setCurrentFocusElement(WebInspector.previousFocusElement());
}
WebInspector.setToolbarColors = function(backgroundColor, color)
{
if (!WebInspector._themeStyleElement) {
WebInspector._themeStyleElement = document.createElement("style");
document.head.appendChild(WebInspector._themeStyleElement);
}
var parsedColor = WebInspector.Color.parse(color);
var shadowColor = parsedColor ? parsedColor.invert().setAlpha(0.33).toString(WebInspector.Color.Format.RGBA) : "white";
var prefix = WebInspector.isMac() ? "body:not(.undocked)" : "";
WebInspector._themeStyleElement.textContent =
String.sprintf(
"%s .toolbar-colors {\
background-image: none !important;\
background-color: %s !important;\
color: %s !important;\
}", prefix, backgroundColor, color) +
String.sprintf(
"%s .toolbar-colors button.status-bar-item .glyph, %s .toolbar-colors button.status-bar-item .long-click-glyph {\
background-color: %s;\
}", prefix, prefix, color) +
String.sprintf(
"%s .toolbar-colors button.status-bar-item .glyph.shadow, %s .toolbar-colors button.status-bar-item .long-click-glyph.shadow {\
background-color: %s;\
}", prefix, prefix, shadowColor);
}
WebInspector.resetToolbarColors = function()
{
if (WebInspector._themeStyleElement)
WebInspector._themeStyleElement.textContent = "";
}
/**
* @param {!Element} element
* @param {number} offset
* @param {number} length
* @param {!Array.<!Object>=} domChanges
* @return {?Element}
*/
WebInspector.highlightSearchResult = function(element, offset, length, domChanges)
{
var result = WebInspector.highlightSearchResults(element, [new WebInspector.SourceRange(offset, length)], domChanges);
return result.length ? result[0] : null;
}
/**
* @param {!Element} element
* @param {!Array.<!WebInspector.SourceRange>} resultRanges
* @param {!Array.<!Object>=} changes
* @return {!Array.<!Element>}
*/
WebInspector.highlightSearchResults = function(element, resultRanges, changes)
{
return WebInspector.highlightRangesWithStyleClass(element, resultRanges, "highlighted-search-result", changes);
}
/**
* @param {!Element} element
* @param {string} className
*/
WebInspector.runCSSAnimationOnce = function(element, className)
{
function animationEndCallback()
{
element.classList.remove(className);
element.removeEventListener("animationend", animationEndCallback, false);
}
if (element.classList.contains(className))
element.classList.remove(className);
element.addEventListener("animationend", animationEndCallback, false);
element.classList.add(className);
}
/**
* @param {!Element} element
* @param {!Array.<!WebInspector.SourceRange>} resultRanges
* @param {string} styleClass
* @param {!Array.<!Object>=} changes
* @return {!Array.<!Element>}
*/
WebInspector.highlightRangesWithStyleClass = function(element, resultRanges, styleClass, changes)
{
changes = changes || [];
var highlightNodes = [];
var lineText = element.textContent;
var ownerDocument = element.ownerDocument;
var textNodeSnapshot = ownerDocument.evaluate(".//text()", element, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
var snapshotLength = textNodeSnapshot.snapshotLength;
if (snapshotLength === 0)
return highlightNodes;
var nodeRanges = [];
var rangeEndOffset = 0;
for (var i = 0; i < snapshotLength; ++i) {
var range = {};
range.offset = rangeEndOffset;
range.length = textNodeSnapshot.snapshotItem(i).textContent.length;
rangeEndOffset = range.offset + range.length;
nodeRanges.push(range);
}
var startIndex = 0;
for (var i = 0; i < resultRanges.length; ++i) {
var startOffset = resultRanges[i].offset;
var endOffset = startOffset + resultRanges[i].length;
while (startIndex < snapshotLength && nodeRanges[startIndex].offset + nodeRanges[startIndex].length <= startOffset)
startIndex++;
var endIndex = startIndex;
while (endIndex < snapshotLength && nodeRanges[endIndex].offset + nodeRanges[endIndex].length < endOffset)
endIndex++;
if (endIndex === snapshotLength)
break;
var highlightNode = ownerDocument.createElement("span");
highlightNode.className = styleClass;
highlightNode.textContent = lineText.substring(startOffset, endOffset);
var lastTextNode = textNodeSnapshot.snapshotItem(endIndex);
var lastText = lastTextNode.textContent;
lastTextNode.textContent = lastText.substring(endOffset - nodeRanges[endIndex].offset);
changes.push({ node: lastTextNode, type: "changed", oldText: lastText, newText: lastTextNode.textContent });
if (startIndex === endIndex) {
lastTextNode.parentElement.insertBefore(highlightNode, lastTextNode);
changes.push({ node: highlightNode, type: "added", nextSibling: lastTextNode, parent: lastTextNode.parentElement });
highlightNodes.push(highlightNode);
var prefixNode = ownerDocument.createTextNode(lastText.substring(0, startOffset - nodeRanges[startIndex].offset));
lastTextNode.parentElement.insertBefore(prefixNode, highlightNode);
changes.push({ node: prefixNode, type: "added", nextSibling: highlightNode, parent: lastTextNode.parentElement });
} else {
var firstTextNode = textNodeSnapshot.snapshotItem(startIndex);
var firstText = firstTextNode.textContent;
var anchorElement = firstTextNode.nextSibling;
firstTextNode.parentElement.insertBefore(highlightNode, anchorElement);
changes.push({ node: highlightNode, type: "added", nextSibling: anchorElement, parent: firstTextNode.parentElement });
highlightNodes.push(highlightNode);
firstTextNode.textContent = firstText.substring(0, startOffset - nodeRanges[startIndex].offset);
changes.push({ node: firstTextNode, type: "changed", oldText: firstText, newText: firstTextNode.textContent });
for (var j = startIndex + 1; j < endIndex; j++) {
var textNode = textNodeSnapshot.snapshotItem(j);
var text = textNode.textContent;
textNode.textContent = "";
changes.push({ node: textNode, type: "changed", oldText: text, newText: textNode.textContent });
}
}
startIndex = endIndex;
nodeRanges[startIndex].offset = endOffset;
nodeRanges[startIndex].length = lastTextNode.textContent.length;
}
return highlightNodes;
}
WebInspector.applyDomChanges = function(domChanges)
{
for (var i = 0, size = domChanges.length; i < size; ++i) {
var entry = domChanges[i];
switch (entry.type) {
case "added":
entry.parent.insertBefore(entry.node, entry.nextSibling);
break;
case "changed":
entry.node.textContent = entry.newText;
break;
}
}
}
WebInspector.revertDomChanges = function(domChanges)
{
for (var i = domChanges.length - 1; i >= 0; --i) {
var entry = domChanges[i];
switch (entry.type) {
case "added":
entry.node.remove();
break;
case "changed":
entry.node.textContent = entry.oldText;
break;
}
}
}
/**
* @constructor
* @param {boolean} autoInvoke
*/
WebInspector.InvokeOnceHandlers = function(autoInvoke)
{
this._handlers = null;
this._autoInvoke = autoInvoke;
}
WebInspector.InvokeOnceHandlers.prototype = {
/**
* @param {!Object} object
* @param {function()} method
*/
add: function(object, method)
{
if (!this._handlers) {
this._handlers = new Map();
if (this._autoInvoke)
this.scheduleInvoke();
}
var methods = this._handlers.get(object);
if (!methods) {
methods = new Set();
this._handlers.set(object, methods);
}
methods.add(method);
},
scheduleInvoke: function()
{
if (this._handlers)
requestAnimationFrame(this._invoke.bind(this));
},
_invoke: function()
{
var handlers = this._handlers;
this._handlers = null;
var keys = handlers.keys();
for (var i = 0; i < keys.length; ++i) {
var object = keys[i];
var methods = handlers.get(object).values();
for (var j = 0; j < methods.length; ++j)
methods[j].call(object);
}
}
}
WebInspector._coalescingLevel = 0;
WebInspector._postUpdateHandlers = null;
WebInspector.startBatchUpdate = function()
{
if (!WebInspector._coalescingLevel++)
WebInspector._postUpdateHandlers = new WebInspector.InvokeOnceHandlers(false);
}
WebInspector.endBatchUpdate = function()
{
if (--WebInspector._coalescingLevel)
return;
WebInspector._postUpdateHandlers.scheduleInvoke();
WebInspector._postUpdateHandlers = null;
}
/**
* @param {!Object} object
* @param {function()} method
*/
WebInspector.invokeOnceAfterBatchUpdate = function(object, method)
{
if (!WebInspector._postUpdateHandlers)
WebInspector._postUpdateHandlers = new WebInspector.InvokeOnceHandlers(true);
WebInspector._postUpdateHandlers.add(object, method);
}
/**
* @param {!Function} func
* @param {!Array.<{from:number, to:number}>} params
* @param {number} frames
* @param {function()=} animationComplete
* @return {function()}
*/
WebInspector.animateFunction = function(func, params, frames, animationComplete)
{
var values = new Array(params.length);
var deltas = new Array(params.length);
for (var i = 0; i < params.length; ++i) {
values[i] = params[i].from;
deltas[i] = (params[i].to - params[i].from) / frames;
}
var raf = requestAnimationFrame(animationStep);
var framesLeft = frames;
function animationStep()
{
if (--framesLeft < 0) {
if (animationComplete)
animationComplete();
return;
}
for (var i = 0; i < params.length; ++i) {
if (params[i].to > params[i].from)
values[i] = Number.constrain(values[i] + deltas[i], params[i].from, params[i].to);
else
values[i] = Number.constrain(values[i] + deltas[i], params[i].to, params[i].from);
}
func.apply(null, values);
raf = window.requestAnimationFrame(animationStep);
}
function cancelAnimation()
{
window.cancelAnimationFrame(raf);
}
return cancelAnimation;
}
;(function() {
function windowLoaded()
{
window.addEventListener("focus", WebInspector._windowFocused, false);
window.addEventListener("blur", WebInspector._windowBlurred, false);
document.addEventListener("focus", WebInspector._focusChanged, true);
document.addEventListener("blur", WebInspector._documentBlurred, true);
window.removeEventListener("DOMContentLoaded", windowLoaded, false);
}
window.addEventListener("DOMContentLoaded", windowLoaded, false);
})();