UNPKG

@angular/material

Version:
1,253 lines (1,246 loc) 48.2 kB
/** * @license * Copyright Google LLC All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ import { DOCUMENT } from '@angular/common'; import { HttpClient } from '@angular/common/http'; import { ErrorHandler, Inject, Injectable, Optional, SecurityContext, SkipSelf, NgModule, Attribute, ChangeDetectionStrategy, Component, ElementRef, inject, InjectionToken, Input, ViewEncapsulation, ɵɵdefineInjectable, ɵɵinject } from '@angular/core'; import { DomSanitizer } from '@angular/platform-browser'; import { forkJoin, of, throwError } from 'rxjs'; import { catchError, finalize, map, share, tap, take } from 'rxjs/operators'; import { coerceBooleanProperty } from '@angular/cdk/coercion'; import { mixinColor, MatCommonModule } from '@angular/material/core'; /** * @fileoverview added by tsickle * @suppress {checkTypes,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. * \@docs-private * @param {?} iconName * @return {?} */ function getMatIconNameNotFoundError(iconName) { return Error(`Unable to find icon with the name "${iconName}"`); } /** * Returns an exception to be thrown when the consumer attempts to use * `<mat-icon>` without including \@angular/common/http. * \@docs-private * @return {?} */ function getMatIconNoHttpProviderError() { return Error('Could not find HttpClient provider for use with Angular Material icons. ' + 'Please include the HttpClientModule from @angular/common/http in your ' + 'app imports.'); } /** * Returns an exception to be thrown when a URL couldn't be sanitized. * \@docs-private * @param {?} url URL that was attempted to be sanitized. * @return {?} */ function getMatIconFailedToSanitizeUrlError(url) { return Error(`The URL provided to MatIconRegistry was not trusted as a resource URL ` + `via Angular's DomSanitizer. Attempted URL was "${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 getMatIconFailedToSanitizeLiteralError(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; // 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 `<mat-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 MatIconRegistry { /** * @param {?} _httpClient * @param {?} _sanitizer * @param {?} document * @param {?=} _errorHandler */ constructor(_httpClient, _sanitizer, document, _errorHandler) { this._httpClient = _httpClient; this._sanitizer = _sanitizer; this._errorHandler = _errorHandler; /** * 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 class to apply when an `<mat-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 getMatIconFailedToSanitizeLiteralError(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 getMatIconFailedToSanitizeLiteralError(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 matIcon * component with the alias as the fontSet input will cause the class name to be applied * to the `<mat-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 `<mat-icon>` component does not * have a fontSet input value, and is not loading an icon by name or URL. * * @template THIS * @this {THIS} * @param {?} className * @return {THIS} */ setDefaultFontSetClass(className) { (/** @type {?} */ (this))._defaultFontSetClass = className; return (/** @type {?} */ (this)); } /** * Returns the CSS class name to be used for icon fonts when an `<mat-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 getMatIconFailedToSanitizeUrlError(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(getMatIconNameNotFoundError(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. /** @type {?} */ const errorMessage = `Loading icon set URL: ${url} failed: ${err.message}`; // @breaking-change 9.0.0 _errorHandler parameter to be made required if (this._errorHandler) { this._errorHandler.handleError(new Error(errorMessage)); } else { console.error(errorMessage); } 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 getMatIconNameNotFoundError(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 getMatIconNoHttpProviderError(); } if (safeUrl == null) { throw Error(`Cannot fetch icon from URL "${safeUrl}".`); } /** @type {?} */ const url = this._sanitizer.sanitize(SecurityContext.RESOURCE_URL, safeUrl); if (!url) { throw getMatIconFailedToSanitizeUrlError(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)); } } MatIconRegistry.decorators = [ { type: Injectable, args: [{ providedIn: 'root' },] }, ]; /** @nocollapse */ MatIconRegistry.ctorParameters = () => [ { type: HttpClient, decorators: [{ type: Optional }] }, { type: DomSanitizer }, { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [DOCUMENT,] }] }, { type: ErrorHandler, decorators: [{ type: Optional }] } ]; /** @nocollapse */ MatIconRegistry.ngInjectableDef = ɵɵdefineInjectable({ factory: function MatIconRegistry_Factory() { return new MatIconRegistry(ɵɵinject(HttpClient, 8), ɵɵinject(DomSanitizer), ɵɵinject(DOCUMENT, 8), ɵɵinject(ErrorHandler, 8)); }, token: MatIconRegistry, providedIn: "root" }); /** * \@docs-private * @param {?} parentRegistry * @param {?} httpClient * @param {?} sanitizer * @param {?=} document * @param {?=} errorHandler * @return {?} */ function ICON_REGISTRY_PROVIDER_FACTORY(parentRegistry, httpClient, sanitizer, document, errorHandler) { return parentRegistry || new MatIconRegistry(httpClient, sanitizer, document, errorHandler); } /** * \@docs-private * @type {?} */ const ICON_REGISTRY_PROVIDER = { // If there is already an MatIconRegistry available, use that. Otherwise, provide a new one. provide: MatIconRegistry, deps: [ [new Optional(), new SkipSelf(), MatIconRegistry], [new Optional(), HttpClient], DomSanitizer, [new Optional(), ErrorHandler], [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 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc */ // Boilerplate for applying mixins to MatIcon. /** * \@docs-private */ class MatIconBase { /** * @param {?} _elementRef */ constructor(_elementRef) { this._elementRef = _elementRef; } } /** @type {?} */ const _MatIconMixinBase = mixinColor(MatIconBase); /** * Injection token used to provide the current location to `MatIcon`. * Used to handle server-side rendering and to stub out during unit tests. * \@docs-private * @type {?} */ const MAT_ICON_LOCATION = new InjectionToken('mat-icon-location', { providedIn: 'root', factory: MAT_ICON_LOCATION_FACTORY }); /** * \@docs-private * @return {?} */ function MAT_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) : '') }; } /** * 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\(['"]?#(.*?)['"]?\)$/; /** * Component to display an icon. It can be used in the following ways: * * - Specify the svgIcon input to load an SVG icon from a URL previously registered with the * addSvgIcon, addSvgIconInNamespace, addSvgIconSet, or addSvgIconSetInNamespace methods of * MatIconRegistry. If the svgIcon value contains a colon it is assumed to be in the format * "[namespace]:[name]", if not the value will be the name of an icon in the default namespace. * Examples: * `<mat-icon svgIcon="left-arrow"></mat-icon> * <mat-icon svgIcon="animals:cat"></mat-icon>` * * - Use a font ligature as an icon by putting the ligature text in the content of the `<mat-icon>` * component. By default the Material icons font is used as described at * http://google.github.io/material-design-icons/#icon-font-for-the-web. You can specify an * alternate font by setting the fontSet input to either the CSS class to apply to use the * desired font, or to an alias previously registered with MatIconRegistry.registerFontClassAlias. * Examples: * `<mat-icon>home</mat-icon> * <mat-icon fontSet="myfont">sun</mat-icon>` * * - Specify a font glyph to be included via CSS rules by setting the fontSet input to specify the * font, and the fontIcon input to specify the icon. Typically the fontIcon will specify a * CSS class which causes the glyph to be displayed via a :before selector, as in * https://fortawesome.github.io/Font-Awesome/examples/ * Example: * `<mat-icon fontSet="fa" fontIcon="alarm"></mat-icon>` */ class MatIcon extends _MatIconMixinBase { /** * @param {?} elementRef * @param {?} _iconRegistry * @param {?} ariaHidden * @param {?=} _location * @param {?=} _errorHandler */ constructor(elementRef, _iconRegistry, ariaHidden, _location, _errorHandler) { super(elementRef); this._iconRegistry = _iconRegistry; this._location = _location; this._errorHandler = _errorHandler; this._inline = false; // If the user has not explicitly set aria-hidden, mark the icon as hidden, as this is // the right thing to do for the majority of icon use-cases. if (!ariaHidden) { elementRef.nativeElement.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); } /** * 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) => { /** @type {?} */ const errorMessage = `Error retrieving icon ${namespace}:${iconName}! ${err.message}`; // @breaking-change 9.0.0 _errorHandler parameter to be made required. if (this._errorHandler) { this._errorHandler.handleError(new Error(errorMessage)); } else { console.error(errorMessage); } })); } 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. <mat-icon>arrow</mat-icon> In this case we need to add a CSS class for the default font. if (this._usingFontIcon()) { this._updateFontIconClasses(); } } /** * @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() { if (this._elementsWithExternalReferences) { this._elementsWithExternalReferences.clear(); } } /** * @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._elementRef.nativeElement.appendChild(svg); } /** * @private * @return {?} */ _clearSvgElement() { /** @type {?} */ const layoutElement = this._elementRef.nativeElement; /** @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._elementRef.nativeElement; /** @type {?} */ const fontSetClass = this.fontSet ? this._iconRegistry.classNameForFontAlias(this.fontSet) : this._iconRegistry.getDefaultFontSetClass(); if (fontSetClass != this._previousFontSetClass) { if (this._previousFontSetClass) { elem.classList.remove(this._previousFontSetClass); } if (fontSetClass) { elem.classList.add(fontSetClass); } this._previousFontSetClass = fontSetClass; } 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] }); } })); } } } MatIcon.decorators = [ { type: Component, args: [{template: '<ng-content></ng-content>', selector: 'mat-icon', exportAs: 'matIcon', styles: [".mat-icon{background-repeat:no-repeat;display:inline-block;fill:currentColor;height:24px;width:24px}.mat-icon.mat-icon-inline{font-size:inherit;height:inherit;line-height:inherit;width:inherit}[dir=rtl] .mat-icon-rtl-mirror{transform:scale(-1,1)}.mat-form-field:not(.mat-form-field-appearance-legacy) .mat-form-field-prefix .mat-icon,.mat-form-field:not(.mat-form-field-appearance-legacy) .mat-form-field-suffix .mat-icon{display:block}.mat-form-field:not(.mat-form-field-appearance-legacy) .mat-form-field-prefix .mat-icon-button .mat-icon,.mat-form-field:not(.mat-form-field-appearance-legacy) .mat-form-field-suffix .mat-icon-button .mat-icon{margin:auto}"], inputs: ['color'], host: { 'role': 'img', 'class': 'mat-icon notranslate', '[class.mat-icon-inline]': 'inline', '[class.mat-icon-no-color]': 'color !== "primary" && color !== "accent" && color !== "warn"', }, encapsulation: ViewEncapsulation.None, changeDetection: ChangeDetectionStrategy.OnPush, },] }, ]; /** @nocollapse */ MatIcon.ctorParameters = () => [ { type: ElementRef }, { type: MatIconRegistry }, { type: String, decorators: [{ type: Attribute, args: ['aria-hidden',] }] }, { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_ICON_LOCATION,] }] }, { type: ErrorHandler, decorators: [{ type: Optional }] } ]; MatIcon.propDecorators = { inline: [{ type: Input }], svgIcon: [{ type: Input }], fontSet: [{ type: Input }], fontIcon: [{ type: Input }] }; /** * @fileoverview added by tsickle * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc */ class MatIconModule { } MatIconModule.decorators = [ { type: NgModule, args: [{ imports: [MatCommonModule], exports: [MatIcon, MatCommonModule], declarations: [MatIcon], },] }, ]; /** * @fileoverview added by tsickle * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc */ /** * @fileoverview added by tsickle * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc */ export { MatIconModule, MAT_ICON_LOCATION_FACTORY, MAT_ICON_LOCATION, MatIcon, getMatIconNameNotFoundError, getMatIconNoHttpProviderError, getMatIconFailedToSanitizeUrlError, getMatIconFailedToSanitizeLiteralError, ICON_REGISTRY_PROVIDER_FACTORY, MatIconRegistry, ICON_REGISTRY_PROVIDER }; //# sourceMappingURL=icon.js.map