@angular-mdc/web
Version:
1,230 lines (1,224 loc) • 45.3 kB
JavaScript
/**
* @license
* Copyright (c) Dominic Carretto
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/trimox/angular-mdc-web/blob/master/LICENSE
*/
import { Directive, SecurityContext, Injectable, Optional, Inject, ɵɵdefineInjectable, ɵɵinject, SkipSelf, inject, InjectionToken, Component, ViewEncapsulation, ChangeDetectionStrategy, ElementRef, Attribute, Input, NgModule } from '@angular/core';
import { DOCUMENT } from '@angular/common';
import { coerceBooleanProperty } from '@angular/cdk/coercion';
import { tap, map, catchError, finalize, share, take } from 'rxjs/operators';
import { HttpClient } from '@angular/common/http';
import { DomSanitizer } from '@angular/platform-browser';
import { of, throwError, forkJoin } from 'rxjs';
/**
* @fileoverview added by tsickle
* Generated from: icon/material-icons.ts
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
class MdcMaterialIcons {
}
MdcMaterialIcons.decorators = [
{ type: Directive, args: [{
selector: '[materialIcons]',
host: {
'class': 'material-icons'
}
},] },
];
/**
* @fileoverview added by tsickle
* Generated from: icon/icon-registry.ts
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
/**
* Returns an exception to be thrown in the case when attempting to
* load an icon with a name that cannot be found.
* @param {?} iconName
* @return {?}
*/
function getMdcIconNameNotFoundError(iconName) {
return Error(`Unable to find icon with the name "${iconName}"`);
}
/**
* Returns an exception to be thrown when the consumer attempts to use
* `<mdc-icon>` without including \@angular/common/http.
* \@docs-private
* @return {?}
*/
function getMdcIconNoHttpProviderError() {
return Error('Could not find HttpClient provider for use with Angular Material icons. ' +
'Please include the HttpClientModule from @angular/common/http in your ' +
'app imports.');
}
/**
* Returns an exception to be thrown when a URL couldn't be sanitized.
* \@docs-private
* @param {?} url URL that was attempted to be sanitized.
* @return {?}
*/
function getMdcIconFailedToSanitizeUrlError(url) {
return Error(`The URL provided to MatIconRegistry was not trusted as a resource URL ` +
`via Angular's DomSanitizer. Attempted URL was "${url}".`);
}
/**
* Returns an exception to be thrown when a HTML string couldn't be sanitized.
* \@docs-private
* @param {?} literal HTML that was attempted to be sanitized.
* @return {?}
*/
function getMdcIconFailedToSanitizeLiteralError(literal) {
return Error(`The literal provided to MatIconRegistry was not trusted as safe HTML by ` +
`Angular's DomSanitizer. Attempted literal was "${literal}".`);
}
/**
* Configuration for an icon, including the URL and possibly the cached SVG element.
* \@docs-private
*/
class SvgIconConfig {
/**
* @param {?} data
* @param {?=} options
*/
constructor(data, options) {
this.options = options;
this.url = null;
this.svgElement = null;
// Note that we can't use `instanceof SVGElement` here,
// because it'll break during server-side rendering.
if (!!((/** @type {?} */ (data))).nodeName) {
this.svgElement = (/** @type {?} */ (data));
}
else {
this.url = (/** @type {?} */ (data));
}
}
}
/**
* Service to register and display icons used by the `<mdc-icon>` component.
* - Registers icon URLs by namespace and name.
* - Registers icon set URLs by namespace.
* - Registers aliases for CSS classes, for use with icon fonts.
* - Loads icons from URLs and extracts individual icons from icon sets.
*/
class MdcIconRegistry {
/**
* @param {?} _httpClient
* @param {?} _sanitizer
* @param {?} document
*/
constructor(_httpClient, _sanitizer, document) {
this._httpClient = _httpClient;
this._sanitizer = _sanitizer;
/**
* URLs and cached SVG elements for individual icons. Keys are of the format "[namespace]:[icon]".
*/
this._svgIconConfigs = new Map();
/**
* SvgIconConfig objects and cached SVG elements for icon sets, keyed by namespace.
* Multiple icon sets can be registered under the same namespace.
*/
this._iconSetConfigs = new Map();
/**
* Cache for icons loaded by direct URLs.
*/
this._cachedIconsByUrl = new Map();
/**
* In-progress icon fetches. Used to coalesce multiple requests to the same URL.
*/
this._inProgressUrlFetches = new Map();
/**
* Map from font identifiers to their CSS class names. Used for icon fonts.
*/
this._fontCssClassesByAlias = new Map();
/**
* The CSS classes to apply when an `<mdc-icon>` component has no icon name, url, or font specified.
* The default 'material-icons' value assumes that the material icon font has been loaded as
* described at http://google.github.io/material-design-icons/#icon-font-for-the-web
*/
this._defaultFontSetClass = ['material-icons'];
this._document = document;
}
/**
* Registers an icon by URL in the default namespace.
* @template THIS
* @this {THIS}
* @param {?} iconName Name under which the icon should be registered.
* @param {?} url
* @param {?=} options
* @return {THIS}
*/
addSvgIcon(iconName, url, options) {
return (/** @type {?} */ (this)).addSvgIconInNamespace('', iconName, url, options);
}
/**
* Registers an icon using an HTML string in the default namespace.
* @template THIS
* @this {THIS}
* @param {?} iconName Name under which the icon should be registered.
* @param {?} literal SVG source of the icon.
* @param {?=} options
* @return {THIS}
*/
addSvgIconLiteral(iconName, literal, options) {
return (/** @type {?} */ (this)).addSvgIconLiteralInNamespace('', iconName, literal, options);
}
/**
* Registers an icon by URL in the specified namespace.
* @template THIS
* @this {THIS}
* @param {?} namespace Namespace in which the icon should be registered.
* @param {?} iconName Name under which the icon should be registered.
* @param {?} url
* @param {?=} options
* @return {THIS}
*/
addSvgIconInNamespace(namespace, iconName, url, options) {
return (/** @type {?} */ (this))._addSvgIconConfig(namespace, iconName, new SvgIconConfig(url, options));
}
/**
* Registers an icon using an HTML string in the specified namespace.
* @template THIS
* @this {THIS}
* @param {?} namespace Namespace in which the icon should be registered.
* @param {?} iconName Name under which the icon should be registered.
* @param {?} literal SVG source of the icon.
* @param {?=} options
* @return {THIS}
*/
addSvgIconLiteralInNamespace(namespace, iconName, literal, options) {
/** @type {?} */
const sanitizedLiteral = (/** @type {?} */ (this))._sanitizer.sanitize(SecurityContext.HTML, literal);
if (!sanitizedLiteral) {
throw getMdcIconFailedToSanitizeLiteralError(literal);
}
/** @type {?} */
const svgElement = (/** @type {?} */ (this))._createSvgElementForSingleIcon(sanitizedLiteral, options);
return (/** @type {?} */ (this))._addSvgIconConfig(namespace, iconName, new SvgIconConfig(svgElement, options));
}
/**
* Registers an icon set by URL in the default namespace.
* @template THIS
* @this {THIS}
* @param {?} url
* @param {?=} options
* @return {THIS}
*/
addSvgIconSet(url, options) {
return (/** @type {?} */ (this)).addSvgIconSetInNamespace('', url, options);
}
/**
* Registers an icon set using an HTML string in the default namespace.
* @template THIS
* @this {THIS}
* @param {?} literal SVG source of the icon set.
* @param {?=} options
* @return {THIS}
*/
addSvgIconSetLiteral(literal, options) {
return (/** @type {?} */ (this)).addSvgIconSetLiteralInNamespace('', literal, options);
}
/**
* Registers an icon set by URL in the specified namespace.
* @template THIS
* @this {THIS}
* @param {?} namespace Namespace in which to register the icon set.
* @param {?} url
* @param {?=} options
* @return {THIS}
*/
addSvgIconSetInNamespace(namespace, url, options) {
return (/** @type {?} */ (this))._addSvgIconSetConfig(namespace, new SvgIconConfig(url, options));
}
/**
* Registers an icon set using an HTML string in the specified namespace.
* @template THIS
* @this {THIS}
* @param {?} namespace Namespace in which to register the icon set.
* @param {?} literal SVG source of the icon set.
* @param {?=} options
* @return {THIS}
*/
addSvgIconSetLiteralInNamespace(namespace, literal, options) {
/** @type {?} */
const sanitizedLiteral = (/** @type {?} */ (this))._sanitizer.sanitize(SecurityContext.HTML, literal);
if (!sanitizedLiteral) {
throw getMdcIconFailedToSanitizeLiteralError(literal);
}
/** @type {?} */
const svgElement = (/** @type {?} */ (this))._svgElementFromString(sanitizedLiteral);
return (/** @type {?} */ (this))._addSvgIconSetConfig(namespace, new SvgIconConfig(svgElement, options));
}
/**
* Defines an alias for a CSS class name to be used for icon fonts. Creating an mdcIcon
* component with the alias as the fontSet input will cause the class name to be applied
* to the `<mdc-icon>` element.
*
* @template THIS
* @this {THIS}
* @param {?} alias Alias for the font.
* @param {?=} className Class name override to be used instead of the alias.
* @return {THIS}
*/
registerFontClassAlias(alias, className = alias) {
(/** @type {?} */ (this))._fontCssClassesByAlias.set(alias, className);
return (/** @type {?} */ (this));
}
/**
* Returns the CSS class name associated with the alias by a previous call to
* registerFontClassAlias. If no CSS class has been associated, returns the alias unmodified.
* @param {?} alias
* @return {?}
*/
classNameForFontAlias(alias) {
return this._fontCssClassesByAlias.get(alias) || alias;
}
/**
* Sets the CSS class name to be used for icon fonts when an `<mdc-icon>` component does not
* have a fontSet input value, and is not loading an icon by name or URL.
*
* @template THIS
* @this {THIS}
* @param {...?} classNames
* @return {THIS}
*/
setDefaultFontSetClass(...classNames) {
(/** @type {?} */ (this))._defaultFontSetClass = classNames;
return (/** @type {?} */ (this));
}
/**
* Returns the CSS class name to be used for icon fonts when an `<mdc-icon>` component does not
* have a fontSet input value, and is not loading an icon by name or URL.
* @return {?}
*/
getDefaultFontSetClass() {
return this._defaultFontSetClass;
}
/**
* Returns an Observable that produces the icon (as an `<svg>` DOM element) from the given URL.
* The response from the URL may be cached so this will not always cause an HTTP request, but
* the produced element will always be a new copy of the originally fetched icon. (That is,
* it will not contain any modifications made to elements previously returned).
*
* @param {?} safeUrl URL from which to fetch the SVG icon.
* @return {?}
*/
getSvgIconFromUrl(safeUrl) {
/** @type {?} */
const url = this._sanitizer.sanitize(SecurityContext.RESOURCE_URL, safeUrl);
if (!url) {
throw getMdcIconFailedToSanitizeUrlError(safeUrl);
}
/** @type {?} */
const cachedIcon = this._cachedIconsByUrl.get(url);
if (cachedIcon) {
return of(cloneSvg(cachedIcon));
}
return this._loadSvgIconFromConfig(new SvgIconConfig(safeUrl)).pipe(tap((/**
* @param {?} svg
* @return {?}
*/
svg => this._cachedIconsByUrl.set((/** @type {?} */ (url)), svg))), map((/**
* @param {?} svg
* @return {?}
*/
svg => cloneSvg(svg))));
}
/**
* Returns an Observable that produces the icon (as an `<svg>` DOM element) with the given name
* and namespace. The icon must have been previously registered with addIcon or addIconSet;
* if not, the Observable will throw an error.
*
* @param {?} name Name of the icon to be retrieved.
* @param {?=} namespace Namespace in which to look for the icon.
* @return {?}
*/
getNamedSvgIcon(name, namespace = '') {
// Return (copy of) cached icon if possible.
/** @type {?} */
const key = iconKey(namespace, name);
/** @type {?} */
const config = this._svgIconConfigs.get(key);
if (config) {
return this._getSvgFromConfig(config);
}
// See if we have any icon sets registered for the namespace.
/** @type {?} */
const iconSetConfigs = this._iconSetConfigs.get(namespace);
if (iconSetConfigs) {
return this._getSvgFromIconSetConfigs(name, iconSetConfigs);
}
return throwError(getMdcIconNameNotFoundError(key));
}
/**
* @return {?}
*/
ngOnDestroy() {
this._svgIconConfigs.clear();
this._iconSetConfigs.clear();
this._cachedIconsByUrl.clear();
}
/**
* Returns the cached icon for a SvgIconConfig if available, or fetches it from its URL if not.
* @private
* @param {?} config
* @return {?}
*/
_getSvgFromConfig(config) {
if (config.svgElement) {
// We already have the SVG element for this icon, return a copy.
return of(cloneSvg(config.svgElement));
}
else {
// Fetch the icon from the config's URL, cache it, and return a copy.
return this._loadSvgIconFromConfig(config).pipe(tap((/**
* @param {?} svg
* @return {?}
*/
svg => config.svgElement = svg)), map((/**
* @param {?} svg
* @return {?}
*/
svg => cloneSvg(svg))));
}
}
/**
* Attempts to find an icon with the specified name in any of the SVG icon sets.
* First searches the available cached icons for a nested element with a matching name, and
* if found copies the element to a new `<svg>` element. If not found, fetches all icon sets
* that have not been cached, and searches again after all fetches are completed.
* The returned Observable produces the SVG element if possible, and throws
* an error if no icon with the specified name can be found.
* @private
* @param {?} name
* @param {?} iconSetConfigs
* @return {?}
*/
_getSvgFromIconSetConfigs(name, iconSetConfigs) {
// For all the icon set SVG elements we've fetched, see if any contain an icon with the
// requested name.
/** @type {?} */
const namedIcon = this._extractIconWithNameFromAnySet(name, iconSetConfigs);
if (namedIcon) {
// We could cache namedIcon in _svgIconConfigs, but since we have to make a copy every
// time anyway, there's probably not much advantage compared to just always extracting
// it from the icon set.
return of(namedIcon);
}
// Not found in any cached icon sets. If there are icon sets with URLs that we haven't
// fetched, fetch them now and look for iconName in the results.
/** @type {?} */
const iconSetFetchRequests = iconSetConfigs
.filter((/**
* @param {?} iconSetConfig
* @return {?}
*/
iconSetConfig => !iconSetConfig.svgElement))
.map((/**
* @param {?} iconSetConfig
* @return {?}
*/
iconSetConfig => {
return this._loadSvgIconSetFromConfig(iconSetConfig).pipe(catchError((/**
* @param {?} err
* @return {?}
*/
(err) => {
/** @type {?} */
const url = this._sanitizer.sanitize(SecurityContext.RESOURCE_URL, iconSetConfig.url);
// Swallow errors fetching individual URLs so the
// combined Observable won't necessarily fail.
console.error(`Loading icon set URL: ${url} failed: ${err.message}`);
return of(null);
})));
}));
// Fetch all the icon set URLs. When the requests complete, every IconSet should have a
// cached SVG element (unless the request failed), and we can check again for the icon.
return forkJoin(iconSetFetchRequests).pipe(map((/**
* @return {?}
*/
() => {
/** @type {?} */
const foundIcon = this._extractIconWithNameFromAnySet(name, iconSetConfigs);
if (!foundIcon) {
throw getMdcIconNameNotFoundError(name);
}
return foundIcon;
})));
}
/**
* Searches the cached SVG elements for the given icon sets for a nested icon element whose "id"
* tag matches the specified name. If found, copies the nested element to a new SVG element and
* returns it. Returns null if no matching element is found.
* @private
* @param {?} iconName
* @param {?} iconSetConfigs
* @return {?}
*/
_extractIconWithNameFromAnySet(iconName, iconSetConfigs) {
// Iterate backwards, so icon sets added later have precedence.
for (let i = iconSetConfigs.length - 1; i >= 0; i--) {
/** @type {?} */
const config = iconSetConfigs[i];
if (config.svgElement) {
/** @type {?} */
const foundIcon = this._extractSvgIconFromSet(config.svgElement, iconName, config.options);
if (foundIcon) {
return foundIcon;
}
}
}
return null;
}
/**
* Loads the content of the icon URL specified in the SvgIconConfig and creates an SVG element
* from it.
* @private
* @param {?} config
* @return {?}
*/
_loadSvgIconFromConfig(config) {
return this._fetchUrl(config.url)
.pipe(map((/**
* @param {?} svgText
* @return {?}
*/
svgText => this._createSvgElementForSingleIcon(svgText, config.options))));
}
/**
* Loads the content of the icon set URL specified in the SvgIconConfig and creates an SVG element
* from it.
* @private
* @param {?} config
* @return {?}
*/
_loadSvgIconSetFromConfig(config) {
// If the SVG for this icon set has already been parsed, do nothing.
if (config.svgElement) {
return of(config.svgElement);
}
return this._fetchUrl(config.url).pipe(map((/**
* @param {?} svgText
* @return {?}
*/
svgText => {
// It is possible that the icon set was parsed and cached by an earlier request, so parsing
// only needs to occur if the cache is yet unset.
if (!config.svgElement) {
config.svgElement = this._svgElementFromString(svgText);
}
return config.svgElement;
})));
}
/**
* Creates a DOM element from the given SVG string, and adds default attributes.
* @private
* @param {?} responseText
* @param {?=} options
* @return {?}
*/
_createSvgElementForSingleIcon(responseText, options) {
/** @type {?} */
const svg = this._svgElementFromString(responseText);
this._setSvgAttributes(svg, options);
return svg;
}
/**
* Searches the cached element of the given SvgIconConfig for a nested icon element whose "id"
* tag matches the specified name. If found, copies the nested element to a new SVG element and
* returns it. Returns null if no matching element is found.
* @private
* @param {?} iconSet
* @param {?} iconName
* @param {?=} options
* @return {?}
*/
_extractSvgIconFromSet(iconSet, iconName, options) {
// Use the `id="iconName"` syntax in order to escape special
// characters in the ID (versus using the #iconName syntax).
/** @type {?} */
const iconSource = iconSet.querySelector(`[id="${iconName}"]`);
if (!iconSource) {
return null;
}
// Clone the element and remove the ID to prevent multiple elements from being added
// to the page with the same ID.
/** @type {?} */
const iconElement = (/** @type {?} */ (iconSource.cloneNode(true)));
iconElement.removeAttribute('id');
// If the icon node is itself an <svg> node, clone and return it directly. If not, set it as
// the content of a new <svg> node.
if (iconElement.nodeName.toLowerCase() === 'svg') {
return this._setSvgAttributes((/** @type {?} */ (iconElement)), options);
}
// If the node is a <symbol>, it won't be rendered so we have to convert it into <svg>. Note
// that the same could be achieved by referring to it via <use href="#id">, however the <use>
// tag is problematic on Firefox, because it needs to include the current page path.
if (iconElement.nodeName.toLowerCase() === 'symbol') {
return this._setSvgAttributes(this._toSvgElement(iconElement), options);
}
// createElement('SVG') doesn't work as expected; the DOM ends up with
// the correct nodes, but the SVG content doesn't render. Instead we
// have to create an empty SVG node using innerHTML and append its content.
// Elements created using DOMParser.parseFromString have the same problem.
// http://stackoverflow.com/questions/23003278/svg-innerhtml-in-firefox-can-not-display
/** @type {?} */
const svg = this._svgElementFromString('<svg></svg>');
// Clone the node so we don't remove it from the parent icon set element.
svg.appendChild(iconElement);
return this._setSvgAttributes(svg, options);
}
/**
* Creates a DOM element from the given SVG string.
* @private
* @param {?} str
* @return {?}
*/
_svgElementFromString(str) {
/** @type {?} */
const div = this._document.createElement('DIV');
div.innerHTML = str;
/** @type {?} */
const svg = (/** @type {?} */ (div.querySelector('svg')));
if (!svg) {
throw Error('<svg> tag not found');
}
return svg;
}
/**
* Converts an element into an SVG node by cloning all of its children.
* @private
* @param {?} element
* @return {?}
*/
_toSvgElement(element) {
/** @type {?} */
const svg = this._svgElementFromString('<svg></svg>');
/** @type {?} */
const attributes = element.attributes;
// Copy over all the attributes from the `symbol` to the new SVG, except the id.
for (let i = 0; i < attributes.length; i++) {
const { name, value } = attributes[i];
if (name !== 'id') {
svg.setAttribute(name, value);
}
}
for (let i = 0; i < element.childNodes.length; i++) {
if (element.childNodes[i].nodeType === this._document.ELEMENT_NODE) {
svg.appendChild(element.childNodes[i].cloneNode(true));
}
}
return svg;
}
/**
* Sets the default attributes for an SVG element to be used as an icon.
* @private
* @param {?} svg
* @param {?=} options
* @return {?}
*/
_setSvgAttributes(svg, options) {
svg.setAttribute('fit', '');
svg.setAttribute('height', '100%');
svg.setAttribute('width', '100%');
svg.setAttribute('preserveAspectRatio', 'xMidYMid meet');
svg.setAttribute('focusable', 'false'); // Disable IE11 default behavior to make SVGs focusable.
if (options && options.viewBox) {
svg.setAttribute('viewBox', options.viewBox);
}
return svg;
}
/**
* Returns an Observable which produces the string contents of the given URL. Results may be
* cached, so future calls with the same URL may not cause another HTTP request.
* @private
* @param {?} safeUrl
* @return {?}
*/
_fetchUrl(safeUrl) {
if (!this._httpClient) {
throw getMdcIconNoHttpProviderError();
}
if (safeUrl == null) {
throw Error(`Cannot fetch icon from URL "${safeUrl}".`);
}
/** @type {?} */
const url = this._sanitizer.sanitize(SecurityContext.RESOURCE_URL, safeUrl);
if (!url) {
throw getMdcIconFailedToSanitizeUrlError(safeUrl);
}
// Store in-progress fetches to avoid sending a duplicate request for a URL when there is
// already a request in progress for that URL. It's necessary to call share() on the
// Observable returned by http.get() so that multiple subscribers don't cause multiple XHRs.
/** @type {?} */
const inProgressFetch = this._inProgressUrlFetches.get(url);
if (inProgressFetch) {
return inProgressFetch;
}
// TODO(jelbourn): for some reason, the `finalize` operator "loses" the generic type on the
// Observable. Figure out why and fix it.
/** @type {?} */
const req = this._httpClient.get(url, { responseType: 'text' }).pipe(finalize((/**
* @return {?}
*/
() => this._inProgressUrlFetches.delete(url))), share());
this._inProgressUrlFetches.set(url, req);
return req;
}
/**
* Registers an icon config by name in the specified namespace.
* @private
* @template THIS
* @this {THIS}
* @param {?} namespace Namespace in which to register the icon config.
* @param {?} iconName Name under which to register the config.
* @param {?} config Config to be registered.
* @return {THIS}
*/
_addSvgIconConfig(namespace, iconName, config) {
(/** @type {?} */ (this))._svgIconConfigs.set(iconKey(namespace, iconName), config);
return (/** @type {?} */ (this));
}
/**
* Registers an icon set config in the specified namespace.
* @private
* @template THIS
* @this {THIS}
* @param {?} namespace Namespace in which to register the icon config.
* @param {?} config Config to be registered.
* @return {THIS}
*/
_addSvgIconSetConfig(namespace, config) {
/** @type {?} */
const configNamespace = (/** @type {?} */ (this))._iconSetConfigs.get(namespace);
if (configNamespace) {
configNamespace.push(config);
}
else {
(/** @type {?} */ (this))._iconSetConfigs.set(namespace, [config]);
}
return (/** @type {?} */ (this));
}
}
MdcIconRegistry.decorators = [
{ type: Injectable, args: [{ providedIn: 'root' },] },
];
/** @nocollapse */
MdcIconRegistry.ctorParameters = () => [
{ type: HttpClient, decorators: [{ type: Optional }] },
{ type: DomSanitizer },
{ type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [DOCUMENT,] }] }
];
/** @nocollapse */ MdcIconRegistry.ɵprov5 = ɵɵdefineInjectable({ factory: function MdcIconRegistry_Factory() { return new MdcIconRegistry(ɵɵinject(HttpClient, 8), ɵɵinject(DomSanitizer), ɵɵinject(DOCUMENT, 8)); }, token: MdcIconRegistry, providedIn: "root" });
/**
* \@docs-private
* @param {?} parentRegistry
* @param {?} httpClient
* @param {?} sanitizer
* @param {?=} document
* @return {?}
*/
function ICON_REGISTRY_PROVIDER_FACTORY(parentRegistry, httpClient, sanitizer, document) {
return parentRegistry || new MdcIconRegistry(httpClient, sanitizer, document);
}
/**
* \@docs-private
* @type {?}
*/
const ICON_REGISTRY_PROVIDER = {
// If there is already an MdcIconRegistry available, use that. Otherwise, provide a new one.
provide: MdcIconRegistry,
deps: [
[new Optional(), new SkipSelf(), MdcIconRegistry],
[new Optional(), HttpClient],
DomSanitizer,
[new Optional(), (/** @type {?} */ (DOCUMENT))],
],
useFactory: ICON_REGISTRY_PROVIDER_FACTORY,
};
/**
* Clones an SVGElement while preserving type information.
* @param {?} svg
* @return {?}
*/
function cloneSvg(svg) {
return (/** @type {?} */ (svg.cloneNode(true)));
}
/**
* Returns the cache key to use for an icon namespace and name.
* @param {?} namespace
* @param {?} name
* @return {?}
*/
function iconKey(namespace, name) {
return namespace + ':' + name;
}
/**
* @fileoverview added by tsickle
* Generated from: icon/icon.ts
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
/**
* @return {?}
*/
function MDC_ICON_LOCATION_FACTORY() {
/** @type {?} */
const _document = inject(DOCUMENT);
/** @type {?} */
const _location = _document ? _document.location : null;
return {
// Note that this needs to be a function, rather than a property, because Angular
// will only resolve it once, but we want the current path on each call.
getPathname: (/**
* @return {?}
*/
() => _location ? (_location.pathname + _location.search) : '')
};
}
/**
* Injection token used to provide the current location to `MdcIcon`.
* Used to handle server-side rendering and to stub out during unit tests.
* @type {?}
*/
const MDC_ICON_LOCATION = new InjectionToken('mdc-icon-location', {
providedIn: 'root',
factory: MDC_ICON_LOCATION_FACTORY
});
/**
* SVG attributes that accept a FuncIRI (e.g. `url(<something>)`).
* @type {?}
*/
const funcIriAttributes = [
'clip-path',
'color-profile',
'src',
'cursor',
'fill',
'filter',
'marker',
'marker-start',
'marker-mid',
'marker-end',
'mask',
'stroke'
];
const ɵ0 = /**
* @param {?} attr
* @return {?}
*/
attr => `[${attr}]`;
/**
* Selector that can be used to find all elements that are using a `FuncIRI`.
* @type {?}
*/
const funcIriAttributeSelector = funcIriAttributes.map((ɵ0)).join(', ');
/**
* Regex that can be used to extract the id out of a FuncIRI.
* @type {?}
*/
const funcIriPattern = /^url\(['"]?#(.*?)['"]?\)$/;
class MdcIcon {
/**
* @param {?} elementRef
* @param {?} _iconRegistry
* @param {?} ariaHidden
* @param {?=} _location
*/
constructor(elementRef, _iconRegistry, ariaHidden, _location) {
this.elementRef = elementRef;
this._iconRegistry = _iconRegistry;
this._location = _location;
this._previousFontSetClass = [];
this._inline = false;
this.role = 'img';
this._fontSet = '';
this._fontIcon = '';
this._clickable = false;
if (!ariaHidden) {
this._getHostElement().setAttribute('aria-hidden', 'true');
}
}
/**
* Whether the icon should be inlined, automatically sizing the icon to match the font size of
* the element the icon is contained in.
* @return {?}
*/
get inline() {
return this._inline;
}
/**
* @param {?} inline
* @return {?}
*/
set inline(inline) {
this._inline = coerceBooleanProperty(inline);
}
/**
* Font set that the icon is a part of.
* @return {?}
*/
get fontSet() {
return this._fontSet;
}
/**
* @param {?} value
* @return {?}
*/
set fontSet(value) {
this._fontSet = this._cleanupFontValue(value);
}
/**
* Name of an icon within a font set.
* @return {?}
*/
get fontIcon() {
return this._fontIcon;
}
/**
* @param {?} value
* @return {?}
*/
set fontIcon(value) {
this._fontIcon = this._cleanupFontValue(value);
}
/**
* @return {?}
*/
get clickable() {
return this._clickable;
}
/**
* @param {?} value
* @return {?}
*/
set clickable(value) {
this._clickable = coerceBooleanProperty(value);
if (this._clickable) {
this.role = 'button';
}
else {
this.role = null;
}
}
/**
* @return {?}
*/
ngAfterViewChecked() {
/** @type {?} */
const cachedElements = this._elementsWithExternalReferences;
if (cachedElements && this._location && cachedElements.size) {
/** @type {?} */
const newPath = this._location.getPathname();
// We need to check whether the URL has changed on each change detection since
// the browser doesn't have an API that will let us react on link clicks and
// we can't depend on the Angular router. The references need to be updated,
// because while most browsers don't care whether the URL is correct after
// the first render, Safari will break if the user navigates to a different
// page and the SVG isn't re-rendered.
if (newPath !== this._previousPath) {
this._previousPath = newPath;
this._prependPathToReferences(newPath);
}
}
}
/**
* @return {?}
*/
ngOnDestroy() {
var _a;
(_a = this._elementsWithExternalReferences) === null || _a === void 0 ? void 0 : _a.clear();
}
/**
* Splits an svgIcon binding value into its icon set and icon name components.
* Returns a 2-element array of [(icon set), (icon name)].
* The separator for the two fields is ':'. If there is no separator, an empty
* string is returned for the icon set and the entire value is returned for
* the icon name. If the argument is falsy, returns an array of two empty strings.
* Throws an error if the name contains two or more ':' separators.
* Examples:
* `'social:cake' -> ['social', 'cake']
* 'penguin' -> ['', 'penguin']
* null -> ['', '']
* 'a:b:c' -> (throws Error)`
* @private
* @param {?} iconName
* @return {?}
*/
_splitIconName(iconName) {
if (!iconName) {
return ['', ''];
}
/** @type {?} */
const parts = iconName.split(':');
switch (parts.length) {
case 1: return ['', parts[0]]; // Use default namespace.
case 2: return (/** @type {?} */ (parts));
default: throw Error(`Invalid icon name: "${iconName}"`);
}
}
/**
* @param {?} changes
* @return {?}
*/
ngOnChanges(changes) {
// Only update the inline SVG icon if the inputs changed, to avoid unnecessary DOM operations.
/** @type {?} */
const svgIconChanges = changes['svgIcon'];
if (svgIconChanges) {
if (this.svgIcon) {
const [namespace, iconName] = this._splitIconName(this.svgIcon);
this._iconRegistry.getNamedSvgIcon(iconName, namespace).pipe(take(1)).subscribe((/**
* @param {?} svg
* @return {?}
*/
svg => this._setSvgElement(svg)), (/**
* @param {?} err
* @return {?}
*/
(err) => console.log(`Error retrieving icon: ${err.message}`)));
}
else if (svgIconChanges.previousValue) {
this._clearSvgElement();
}
}
if (this._usingFontIcon()) {
this._updateFontIconClasses();
}
}
/**
* @return {?}
*/
ngOnInit() {
// Update font classes because ngOnChanges won't be called if none of the inputs are present,
// e.g. <mdc-icon>arrow</mdc-icon> In this case we need to add a CSS class for the default font.
if (this._usingFontIcon()) {
this._updateFontIconClasses();
}
}
/**
* @private
* @return {?}
*/
_usingFontIcon() {
return !this.svgIcon;
}
/**
* @private
* @param {?} svg
* @return {?}
*/
_setSvgElement(svg) {
this._clearSvgElement();
// Workaround for IE11 and Edge ignoring `style` tags inside dynamically-created SVGs.
// See: https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/10898469/
// Do this before inserting the element into the DOM, in order to avoid a style recalculation.
/** @type {?} */
const styleTags = (/** @type {?} */ (svg.querySelectorAll('style')));
for (let i = 0; i < styleTags.length; i++) {
styleTags[i].textContent += ' ';
}
// Note: we do this fix here, rather than the icon registry, because the
// references have to point to the URL at the time that the icon was created.
if (this._location) {
/** @type {?} */
const path = this._location.getPathname();
this._previousPath = path;
this._cacheChildrenWithExternalReferences(svg);
this._prependPathToReferences(path);
}
this._getHostElement().appendChild(svg);
}
/**
* @private
* @return {?}
*/
_clearSvgElement() {
/** @type {?} */
const layoutElement = this._getHostElement();
/** @type {?} */
let childCount = layoutElement.childNodes.length;
if (this._elementsWithExternalReferences) {
this._elementsWithExternalReferences.clear();
}
// Remove existing non-element child nodes and SVGs, and add the new SVG element. Note that
// we can't use innerHTML, because IE will throw if the element has a data binding.
while (childCount--) {
/** @type {?} */
const child = layoutElement.childNodes[childCount];
// 1 corresponds to Node.ELEMENT_NODE. We remove all non-element nodes in order to get rid
// of any loose text nodes, as well as any SVG elements in order to remove any old icons.
if (child.nodeType !== 1 || child.nodeName.toLowerCase() === 'svg') {
layoutElement.removeChild(child);
}
}
}
/**
* @private
* @return {?}
*/
_updateFontIconClasses() {
if (!this._usingFontIcon()) {
return;
}
/** @type {?} */
const elem = this._getHostElement();
/** @type {?} */
const fontSetClasses = this.fontSet ?
[this._iconRegistry.classNameForFontAlias(this.fontSet)] :
this._iconRegistry.getDefaultFontSetClass();
(/** @type {?} */ (this._previousFontSetClass)).forEach((/**
* @param {?} className
* @return {?}
*/
className => elem.classList.remove(className)));
fontSetClasses.forEach((/**
* @param {?} className
* @return {?}
*/
className => elem.classList.add(className)));
this._previousFontSetClass = fontSetClasses;
if (this.fontIcon !== this._previousFontIconClass) {
if (this._previousFontIconClass) {
elem.classList.remove(this._previousFontIconClass);
}
if (this.fontIcon) {
elem.classList.add(this.fontIcon);
}
this._previousFontIconClass = this.fontIcon;
}
}
/**
* Cleans up a value to be used as a fontIcon or fontSet.
* Since the value ends up being assigned as a CSS class, we
* have to trim the value and omit space-separated values.
* @private
* @param {?} value
* @return {?}
*/
_cleanupFontValue(value) {
return typeof value === 'string' ? value.trim().split(' ')[0] : value;
}
/**
* Prepends the current path to all elements that have an attribute pointing to a `FuncIRI`
* reference. This is required because WebKit browsers require references to be prefixed with
* the current path, if the page has a `base` tag.
* @private
* @param {?} path
* @return {?}
*/
_prependPathToReferences(path) {
/** @type {?} */
const elements = this._elementsWithExternalReferences;
if (elements) {
elements.forEach((/**
* @param {?} attrs
* @param {?} element
* @return {?}
*/
(attrs, element) => {
attrs.forEach((/**
* @param {?} attr
* @return {?}
*/
attr => {
element.setAttribute(attr.name, `url('${path}#${attr.value}')`);
}));
}));
}
}
/**
* Caches the children of an SVG element that have `url()`
* references that we need to prefix with the current path.
* @private
* @param {?} element
* @return {?}
*/
_cacheChildrenWithExternalReferences(element) {
/** @type {?} */
const elementsWithFuncIri = element.querySelectorAll(funcIriAttributeSelector);
/** @type {?} */
const elements = this._elementsWithExternalReferences =
this._elementsWithExternalReferences || new Map();
for (let i = 0; i < elementsWithFuncIri.length; i++) {
funcIriAttributes.forEach((/**
* @param {?} attr
* @return {?}
*/
attr => {
/** @type {?} */
const elementWithReference = elementsWithFuncIri[i];
/** @type {?} */
const value = elementWithReference.getAttribute(attr);
/** @type {?} */
const match = value ? value.match(funcIriPattern) : null;
if (match) {
/** @type {?} */
let attributes = elements.get(elementWithReference);
if (!attributes) {
attributes = [];
elements.set(elementWithReference, attributes);
}
(/** @type {?} */ (attributes)).push({ name: attr, value: match[1] });
}
}));
}
}
/**
* Retrieves the DOM element of the component host.
* @protected
* @return {?}
*/
_getHostElement() {
return this.elementRef.nativeElement;
}
}
MdcIcon.decorators = [
{ type: Component, args: [{selector: 'mdc-icon, [mdcIcon]',
exportAs: 'mdcIcon',
host: {
'[attr.role]': 'role',
'class': 'ngx-mdc-icon',
'[class.ngx-mdc-icon--clickable]': 'clickable',
'[class.ngx-mdc-icon--inline]': 'inline'
},
template: '<ng-content></ng-content>',
encapsulation: ViewEncapsulation.None,
changeDetection: ChangeDetectionStrategy.OnPush
},] },
];
/** @nocollapse */
MdcIcon.ctorParameters = () => [
{ type: ElementRef },
{ type: MdcIconRegistry },
{ type: String, decorators: [{ type: Attribute, args: ['aria-hidden',] }] },
{ type: undefined, decorators: [{ type: Inject, args: [MDC_ICON_LOCATION,] }] }
];
MdcIcon.propDecorators = {
inline: [{ type: Input }],
svgIcon: [{ type: Input }],
role: [{ type: Input }],
fontSet: [{ type: Input }],
fontIcon: [{ type: Input }],
clickable: [{ type: Input }]
};
/**
* @fileoverview added by tsickle
* Generated from: icon/module.ts
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
/** @type {?} */
const ICON_DECLARATIONS = [
MdcIcon,
MdcMaterialIcons
];
class MdcIconModule {
}
MdcIconModule.decorators = [
{ type: NgModule, args: [{
exports: ICON_DECLARATIONS,
declarations: ICON_DECLARATIONS
},] },
];
export { ICON_REGISTRY_PROVIDER, ICON_REGISTRY_PROVIDER_FACTORY, MDC_ICON_LOCATION, MDC_ICON_LOCATION_FACTORY, MdcIcon, MdcIconModule, MdcIconRegistry, MdcMaterialIcons, getMdcIconFailedToSanitizeLiteralError, getMdcIconFailedToSanitizeUrlError, getMdcIconNameNotFoundError, getMdcIconNoHttpProviderError };
//# sourceMappingURL=icon.js.map