{"version":3,"file":"icon.es5.js","sources":["../../packages/material/esm5/icon/icon-registry.js","../../packages/material/esm5/icon/icon.js","../../packages/material/esm5/icon/icon-module.js","../../packages/material/esm5/icon/index.js"],"sourcesContent":["/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nimport { catchOperator, doOperator, finallyOperator, map, RxChain, share } from '@angular/cdk/rxjs';\nimport { Injectable, Optional, SecurityContext, SkipSelf } from '@angular/core';\nimport { Http } from '@angular/http';\nimport { DomSanitizer } from '@angular/platform-browser';\nimport { Observable } from 'rxjs/Observable';\nimport { forkJoin } from 'rxjs/observable/forkJoin';\nimport { of as observableOf } from 'rxjs/observable/of';\nimport { _throw as observableThrow } from 'rxjs/observable/throw';\n/**\n * Returns an exception to be thrown in the case when attempting to\n * load an icon with a name that cannot be found.\n * \\@docs-private\n * @param {?} iconName\n * @return {?}\n */\nexport function getMatIconNameNotFoundError(iconName) {\n    return Error(\"Unable to find icon with the name \\\"\" + iconName + \"\\\"\");\n}\n/**\n * Returns an exception to be thrown when the consumer attempts to use\n * `<mat-icon>` without including \\@angular/http.\n * \\@docs-private\n * @return {?}\n */\nexport function getMatIconNoHttpProviderError() {\n    return Error('Could not find Http provider for use with Angular Material icons. ' +\n        'Please include the HttpModule from @angular/http in your app imports.');\n}\n/**\n * Returns an exception to be thrown when a URL couldn't be sanitized.\n * \\@docs-private\n * @param {?} url URL that was attempted to be sanitized.\n * @return {?}\n */\nexport function getMatIconFailedToSanitizeError(url) {\n    return Error(\"The URL provided to MatIconRegistry was not trusted as a resource URL \" +\n        (\"via Angular's DomSanitizer. Attempted URL was \\\"\" + url + \"\\\".\"));\n}\n/**\n * Configuration for an icon, including the URL and possibly the cached SVG element.\n * \\@docs-private\n */\nvar SvgIconConfig = (function () {\n    /**\n     * @param {?} url\n     */\n    function SvgIconConfig(url) {\n        this.url = url;\n        this.svgElement = null;\n    }\n    return SvgIconConfig;\n}());\nfunction SvgIconConfig_tsickle_Closure_declarations() {\n    /** @type {?} */\n    SvgIconConfig.prototype.svgElement;\n    /** @type {?} */\n    SvgIconConfig.prototype.url;\n}\n/**\n * Service to register and display icons used by the <mat-icon> component.\n * - Registers icon URLs by namespace and name.\n * - Registers icon set URLs by namespace.\n * - Registers aliases for CSS classes, for use with icon fonts.\n * - Loads icons from URLs and extracts individual icons from icon sets.\n */\nvar MatIconRegistry = (function () {\n    /**\n     * @param {?} _http\n     * @param {?} _sanitizer\n     */\n    function MatIconRegistry(_http, _sanitizer) {\n        this._http = _http;\n        this._sanitizer = _sanitizer;\n        /**\n         * URLs and cached SVG elements for individual icons. Keys are of the format \"[namespace]:[icon]\".\n         */\n        this._svgIconConfigs = new Map();\n        /**\n         * SvgIconConfig objects and cached SVG elements for icon sets, keyed by namespace.\n         * Multiple icon sets can be registered under the same namespace.\n         */\n        this._iconSetConfigs = new Map();\n        /**\n         * Cache for icons loaded by direct URLs.\n         */\n        this._cachedIconsByUrl = new Map();\n        /**\n         * In-progress icon fetches. Used to coalesce multiple requests to the same URL.\n         */\n        this._inProgressUrlFetches = new Map();\n        /**\n         * Map from font identifiers to their CSS class names. Used for icon fonts.\n         */\n        this._fontCssClassesByAlias = new Map();\n        /**\n         * The CSS class to apply when an <mat-icon> component has no icon name, url, or font specified.\n         * The default 'material-icons' value assumes that the material icon font has been loaded as\n         * described at http://google.github.io/material-design-icons/#icon-font-for-the-web\n         */\n        this._defaultFontSetClass = 'material-icons';\n    }\n    /**\n     * Registers an icon by URL in the default namespace.\n     * @param {?} iconName Name under which the icon should be registered.\n     * @param {?} url\n     * @return {?}\n     */\n    MatIconRegistry.prototype.addSvgIcon = function (iconName, url) {\n        return this.addSvgIconInNamespace('', iconName, url);\n    };\n    /**\n     * Registers an icon by URL in the specified namespace.\n     * @param {?} namespace Namespace in which the icon should be registered.\n     * @param {?} iconName Name under which the icon should be registered.\n     * @param {?} url\n     * @return {?}\n     */\n    MatIconRegistry.prototype.addSvgIconInNamespace = function (namespace, iconName, url) {\n        var /** @type {?} */ key = iconKey(namespace, iconName);\n        this._svgIconConfigs.set(key, new SvgIconConfig(url));\n        return this;\n    };\n    /**\n     * Registers an icon set by URL in the default namespace.\n     * @param {?} url\n     * @return {?}\n     */\n    MatIconRegistry.prototype.addSvgIconSet = function (url) {\n        return this.addSvgIconSetInNamespace('', url);\n    };\n    /**\n     * Registers an icon set by URL in the specified namespace.\n     * @param {?} namespace Namespace in which to register the icon set.\n     * @param {?} url\n     * @return {?}\n     */\n    MatIconRegistry.prototype.addSvgIconSetInNamespace = function (namespace, url) {\n        var /** @type {?} */ config = new SvgIconConfig(url);\n        var /** @type {?} */ configNamespace = this._iconSetConfigs.get(namespace);\n        if (configNamespace) {\n            configNamespace.push(config);\n        }\n        else {\n            this._iconSetConfigs.set(namespace, [config]);\n        }\n        return this;\n    };\n    /**\n     * Defines an alias for a CSS class name to be used for icon fonts. Creating an matIcon\n     * component with the alias as the fontSet input will cause the class name to be applied\n     * to the <mat-icon> element.\n     *\n     * @param {?} alias Alias for the font.\n     * @param {?=} className Class name override to be used instead of the alias.\n     * @return {?}\n     */\n    MatIconRegistry.prototype.registerFontClassAlias = function (alias, className) {\n        if (className === void 0) { className = alias; }\n        this._fontCssClassesByAlias.set(alias, className);\n        return this;\n    };\n    /**\n     * Returns the CSS class name associated with the alias by a previous call to\n     * registerFontClassAlias. If no CSS class has been associated, returns the alias unmodified.\n     * @param {?} alias\n     * @return {?}\n     */\n    MatIconRegistry.prototype.classNameForFontAlias = function (alias) {\n        return this._fontCssClassesByAlias.get(alias) || alias;\n    };\n    /**\n     * Sets the CSS class name to be used for icon fonts when an <mat-icon> component does not\n     * have a fontSet input value, and is not loading an icon by name or URL.\n     *\n     * @param {?} className\n     * @return {?}\n     */\n    MatIconRegistry.prototype.setDefaultFontSetClass = function (className) {\n        this._defaultFontSetClass = className;\n        return this;\n    };\n    /**\n     * Returns the CSS class name to be used for icon fonts when an <mat-icon> component does not\n     * have a fontSet input value, and is not loading an icon by name or URL.\n     * @return {?}\n     */\n    MatIconRegistry.prototype.getDefaultFontSetClass = function () {\n        return this._defaultFontSetClass;\n    };\n    /**\n     * Returns an Observable that produces the icon (as an <svg> DOM element) from the given URL.\n     * The response from the URL may be cached so this will not always cause an HTTP request, but\n     * the produced element will always be a new copy of the originally fetched icon. (That is,\n     * it will not contain any modifications made to elements previously returned).\n     *\n     * @param {?} safeUrl URL from which to fetch the SVG icon.\n     * @return {?}\n     */\n    MatIconRegistry.prototype.getSvgIconFromUrl = function (safeUrl) {\n        var _this = this;\n        var /** @type {?} */ url = this._sanitizer.sanitize(SecurityContext.RESOURCE_URL, safeUrl);\n        if (!url) {\n            throw getMatIconFailedToSanitizeError(safeUrl);\n        }\n        var /** @type {?} */ cachedIcon = this._cachedIconsByUrl.get(url);\n        if (cachedIcon) {\n            return observableOf(cloneSvg(cachedIcon));\n        }\n        return RxChain.from(this._loadSvgIconFromConfig(new SvgIconConfig(url)))\n            .call(doOperator, function (svg) { return _this._cachedIconsByUrl.set(/** @type {?} */ ((url)), svg); })\n            .call(map, function (svg) { return cloneSvg(svg); })\n            .result();\n    };\n    /**\n     * Returns an Observable that produces the icon (as an <svg> DOM element) with the given name\n     * and namespace. The icon must have been previously registered with addIcon or addIconSet;\n     * if not, the Observable will throw an error.\n     *\n     * @param {?} name Name of the icon to be retrieved.\n     * @param {?=} namespace Namespace in which to look for the icon.\n     * @return {?}\n     */\n    MatIconRegistry.prototype.getNamedSvgIcon = function (name, namespace) {\n        if (namespace === void 0) { namespace = ''; }\n        // Return (copy of) cached icon if possible.\n        var /** @type {?} */ key = iconKey(namespace, name);\n        var /** @type {?} */ config = this._svgIconConfigs.get(key);\n        if (config) {\n            return this._getSvgFromConfig(config);\n        }\n        // See if we have any icon sets registered for the namespace.\n        var /** @type {?} */ iconSetConfigs = this._iconSetConfigs.get(namespace);\n        if (iconSetConfigs) {\n            return this._getSvgFromIconSetConfigs(name, iconSetConfigs);\n        }\n        return observableThrow(getMatIconNameNotFoundError(key));\n    };\n    /**\n     * Returns the cached icon for a SvgIconConfig if available, or fetches it from its URL if not.\n     * @param {?} config\n     * @return {?}\n     */\n    MatIconRegistry.prototype._getSvgFromConfig = function (config) {\n        if (config.svgElement) {\n            // We already have the SVG element for this icon, return a copy.\n            return observableOf(cloneSvg(config.svgElement));\n        }\n        else {\n            // Fetch the icon from the config's URL, cache it, and return a copy.\n            return RxChain.from(this._loadSvgIconFromConfig(config))\n                .call(doOperator, function (svg) { return config.svgElement = svg; })\n                .call(map, function (svg) { return cloneSvg(svg); })\n                .result();\n        }\n    };\n    /**\n     * Attempts to find an icon with the specified name in any of the SVG icon sets.\n     * First searches the available cached icons for a nested element with a matching name, and\n     * if found copies the element to a new <svg> element. If not found, fetches all icon sets\n     * that have not been cached, and searches again after all fetches are completed.\n     * The returned Observable produces the SVG element if possible, and throws\n     * an error if no icon with the specified name can be found.\n     * @param {?} name\n     * @param {?} iconSetConfigs\n     * @return {?}\n     */\n    MatIconRegistry.prototype._getSvgFromIconSetConfigs = function (name, iconSetConfigs) {\n        var _this = this;\n        // For all the icon set SVG elements we've fetched, see if any contain an icon with the\n        // requested name.\n        var /** @type {?} */ namedIcon = this._extractIconWithNameFromAnySet(name, iconSetConfigs);\n        if (namedIcon) {\n            // We could cache namedIcon in _svgIconConfigs, but since we have to make a copy every\n            // time anyway, there's probably not much advantage compared to just always extracting\n            // it from the icon set.\n            return observableOf(namedIcon);\n        }\n        // Not found in any cached icon sets. If there are icon sets with URLs that we haven't\n        // fetched, fetch them now and look for iconName in the results.\n        var /** @type {?} */ iconSetFetchRequests = iconSetConfigs\n            .filter(function (iconSetConfig) { return !iconSetConfig.svgElement; })\n            .map(function (iconSetConfig) {\n            return RxChain.from(_this._loadSvgIconSetFromConfig(iconSetConfig))\n                .call(catchOperator, function (err) {\n                var /** @type {?} */ url = _this._sanitizer.sanitize(SecurityContext.RESOURCE_URL, iconSetConfig.url);\n                // Swallow errors fetching individual URLs so the combined Observable won't\n                // necessarily fail.\n                console.log(\"Loading icon set URL: \" + url + \" failed: \" + err);\n                return observableOf(null);\n            })\n                .call(doOperator, function (svg) {\n                // Cache the SVG element.\n                if (svg) {\n                    iconSetConfig.svgElement = svg;\n                }\n            })\n                .result();\n        });\n        // Fetch all the icon set URLs. When the requests complete, every IconSet should have a\n        // cached SVG element (unless the request failed), and we can check again for the icon.\n        return map.call(forkJoin.call(Observable, iconSetFetchRequests), function () {\n            var /** @type {?} */ foundIcon = _this._extractIconWithNameFromAnySet(name, iconSetConfigs);\n            if (!foundIcon) {\n                throw getMatIconNameNotFoundError(name);\n            }\n            return foundIcon;\n        });\n    };\n    /**\n     * Searches the cached SVG elements for the given icon sets for a nested icon element whose \"id\"\n     * tag matches the specified name. If found, copies the nested element to a new SVG element and\n     * returns it. Returns null if no matching element is found.\n     * @param {?} iconName\n     * @param {?} iconSetConfigs\n     * @return {?}\n     */\n    MatIconRegistry.prototype._extractIconWithNameFromAnySet = function (iconName, iconSetConfigs) {\n        // Iterate backwards, so icon sets added later have precedence.\n        for (var /** @type {?} */ i = iconSetConfigs.length - 1; i >= 0; i--) {\n            var /** @type {?} */ config = iconSetConfigs[i];\n            if (config.svgElement) {\n                var /** @type {?} */ foundIcon = this._extractSvgIconFromSet(config.svgElement, iconName);\n                if (foundIcon) {\n                    return foundIcon;\n                }\n            }\n        }\n        return null;\n    };\n    /**\n     * Loads the content of the icon URL specified in the SvgIconConfig and creates an SVG element\n     * from it.\n     * @param {?} config\n     * @return {?}\n     */\n    MatIconRegistry.prototype._loadSvgIconFromConfig = function (config) {\n        var _this = this;\n        return map.call(this._fetchUrl(config.url), function (svgText) { return _this._createSvgElementForSingleIcon(svgText); });\n    };\n    /**\n     * Loads the content of the icon set URL specified in the SvgIconConfig and creates an SVG element\n     * from it.\n     * @param {?} config\n     * @return {?}\n     */\n    MatIconRegistry.prototype._loadSvgIconSetFromConfig = function (config) {\n        var _this = this;\n        // TODO: Document that icons should only be loaded from trusted sources.\n        return map.call(this._fetchUrl(config.url), function (svgText) { return _this._svgElementFromString(svgText); });\n    };\n    /**\n     * Creates a DOM element from the given SVG string, and adds default attributes.\n     * @param {?} responseText\n     * @return {?}\n     */\n    MatIconRegistry.prototype._createSvgElementForSingleIcon = function (responseText) {\n        var /** @type {?} */ svg = this._svgElementFromString(responseText);\n        this._setSvgAttributes(svg);\n        return svg;\n    };\n    /**\n     * Searches the cached element of the given SvgIconConfig for a nested icon element whose \"id\"\n     * tag matches the specified name. If found, copies the nested element to a new SVG element and\n     * returns it. Returns null if no matching element is found.\n     * @param {?} iconSet\n     * @param {?} iconName\n     * @return {?}\n     */\n    MatIconRegistry.prototype._extractSvgIconFromSet = function (iconSet, iconName) {\n        var /** @type {?} */ iconNode = iconSet.querySelector('#' + iconName);\n        if (!iconNode) {\n            return null;\n        }\n        // If the icon node is itself an <svg> node, clone and return it directly. If not, set it as\n        // the content of a new <svg> node.\n        if (iconNode.tagName.toLowerCase() === 'svg') {\n            return this._setSvgAttributes(/** @type {?} */ (iconNode.cloneNode(true)));\n        }\n        // If the node is a <symbol>, it won't be rendered so we have to convert it into <svg>. Note\n        // that the same could be achieved by referring to it via <use href=\"#id\">, however the <use>\n        // tag is problematic on Firefox, because it needs to include the current page path.\n        if (iconNode.nodeName.toLowerCase() === 'symbol') {\n            return this._setSvgAttributes(this._toSvgElement(iconNode));\n        }\n        // createElement('SVG') doesn't work as expected; the DOM ends up with\n        // the correct nodes, but the SVG content doesn't render. Instead we\n        // have to create an empty SVG node using innerHTML and append its content.\n        // Elements created using DOMParser.parseFromString have the same problem.\n        // http://stackoverflow.com/questions/23003278/svg-innerhtml-in-firefox-can-not-display\n        var /** @type {?} */ svg = this._svgElementFromString('<svg></svg>');\n        // Clone the node so we don't remove it from the parent icon set element.\n        svg.appendChild(iconNode.cloneNode(true));\n        return this._setSvgAttributes(svg);\n    };\n    /**\n     * Creates a DOM element from the given SVG string.\n     * @param {?} str\n     * @return {?}\n     */\n    MatIconRegistry.prototype._svgElementFromString = function (str) {\n        // TODO: Is there a better way than innerHTML? Renderer doesn't appear to have a method for\n        // creating an element from an HTML string.\n        var /** @type {?} */ div = document.createElement('DIV');\n        div.innerHTML = str;\n        var /** @type {?} */ svg = (div.querySelector('svg'));\n        if (!svg) {\n            throw Error('<svg> tag not found');\n        }\n        return svg;\n    };\n    /**\n     * Converts an element into an SVG node by cloning all of its children.\n     * @param {?} element\n     * @return {?}\n     */\n    MatIconRegistry.prototype._toSvgElement = function (element) {\n        var /** @type {?} */ svg = this._svgElementFromString('<svg></svg>');\n        for (var /** @type {?} */ i = 0; i < element.childNodes.length; i++) {\n            if (element.childNodes[i].nodeType === Node.ELEMENT_NODE) {\n                svg.appendChild(element.childNodes[i].cloneNode(true));\n            }\n        }\n        return svg;\n    };\n    /**\n     * Sets the default attributes for an SVG element to be used as an icon.\n     * @param {?} svg\n     * @return {?}\n     */\n    MatIconRegistry.prototype._setSvgAttributes = function (svg) {\n        if (!svg.getAttribute('xmlns')) {\n            svg.setAttribute('xmlns', 'http://www.w3.org/2000/svg');\n        }\n        svg.setAttribute('fit', '');\n        svg.setAttribute('height', '100%');\n        svg.setAttribute('width', '100%');\n        svg.setAttribute('preserveAspectRatio', 'xMidYMid meet');\n        svg.setAttribute('focusable', 'false'); // Disable IE11 default behavior to make SVGs focusable.\n        return svg;\n    };\n    /**\n     * Returns an Observable which produces the string contents of the given URL. Results may be\n     * cached, so future calls with the same URL may not cause another HTTP request.\n     * @param {?} safeUrl\n     * @return {?}\n     */\n    MatIconRegistry.prototype._fetchUrl = function (safeUrl) {\n        var _this = this;\n        if (!this._http) {\n            throw getMatIconNoHttpProviderError();\n        }\n        var /** @type {?} */ url = this._sanitizer.sanitize(SecurityContext.RESOURCE_URL, safeUrl);\n        if (!url) {\n            throw getMatIconFailedToSanitizeError(safeUrl);\n        }\n        // Store in-progress fetches to avoid sending a duplicate request for a URL when there is\n        // already a request in progress for that URL. It's necessary to call share() on the\n        // Observable returned by http.get() so that multiple subscribers don't cause multiple XHRs.\n        var /** @type {?} */ inProgressFetch = this._inProgressUrlFetches.get(url);\n        if (inProgressFetch) {\n            return inProgressFetch;\n        }\n        // TODO(jelbourn): for some reason, the `finally` operator \"loses\" the generic type on the\n        // Observable. Figure out why and fix it.\n        var /** @type {?} */ req = RxChain.from(this._http.get(url))\n            .call(map, function (response) { return response.text(); })\n            .call(finallyOperator, function () { return _this._inProgressUrlFetches.delete(url); })\n            .call(share)\n            .result();\n        this._inProgressUrlFetches.set(url, req);\n        return req;\n    };\n    MatIconRegistry.decorators = [\n        { type: Injectable },\n    ];\n    /**\n     * @nocollapse\n     */\n    MatIconRegistry.ctorParameters = function () { return [\n        { type: Http, decorators: [{ type: Optional },] },\n        { type: DomSanitizer, },\n    ]; };\n    return MatIconRegistry;\n}());\nexport { MatIconRegistry };\nfunction MatIconRegistry_tsickle_Closure_declarations() {\n    /** @type {?} */\n    MatIconRegistry.decorators;\n    /**\n     * @nocollapse\n     * @type {?}\n     */\n    MatIconRegistry.ctorParameters;\n    /**\n     * URLs and cached SVG elements for individual icons. Keys are of the format \"[namespace]:[icon]\".\n     * @type {?}\n     */\n    MatIconRegistry.prototype._svgIconConfigs;\n    /**\n     * SvgIconConfig objects and cached SVG elements for icon sets, keyed by namespace.\n     * Multiple icon sets can be registered under the same namespace.\n     * @type {?}\n     */\n    MatIconRegistry.prototype._iconSetConfigs;\n    /**\n     * Cache for icons loaded by direct URLs.\n     * @type {?}\n     */\n    MatIconRegistry.prototype._cachedIconsByUrl;\n    /**\n     * In-progress icon fetches. Used to coalesce multiple requests to the same URL.\n     * @type {?}\n     */\n    MatIconRegistry.prototype._inProgressUrlFetches;\n    /**\n     * Map from font identifiers to their CSS class names. Used for icon fonts.\n     * @type {?}\n     */\n    MatIconRegistry.prototype._fontCssClassesByAlias;\n    /**\n     * The CSS class to apply when an <mat-icon> component has no icon name, url, or font specified.\n     * The default 'material-icons' value assumes that the material icon font has been loaded as\n     * described at http://google.github.io/material-design-icons/#icon-font-for-the-web\n     * @type {?}\n     */\n    MatIconRegistry.prototype._defaultFontSetClass;\n    /** @type {?} */\n    MatIconRegistry.prototype._http;\n    /** @type {?} */\n    MatIconRegistry.prototype._sanitizer;\n}\n/**\n * \\@docs-private\n * @param {?} parentRegistry\n * @param {?} http\n * @param {?} sanitizer\n * @return {?}\n */\nexport function ICON_REGISTRY_PROVIDER_FACTORY(parentRegistry, http, sanitizer) {\n    return parentRegistry || new MatIconRegistry(http, sanitizer);\n}\n/**\n * \\@docs-private\n */\nexport var ICON_REGISTRY_PROVIDER = {\n    // If there is already an MatIconRegistry available, use that. Otherwise, provide a new one.\n    provide: MatIconRegistry,\n    deps: [[new Optional(), new SkipSelf(), MatIconRegistry], [new Optional(), Http], DomSanitizer],\n    useFactory: ICON_REGISTRY_PROVIDER_FACTORY\n};\n/**\n * Clones an SVGElement while preserving type information.\n * @param {?} svg\n * @return {?}\n */\nfunction cloneSvg(svg) {\n    return (svg.cloneNode(true));\n}\n/**\n * Returns the cache key to use for an icon namespace and name.\n * @param {?} namespace\n * @param {?} name\n * @return {?}\n */\nfunction iconKey(namespace, name) {\n    return namespace + ':' + name;\n}\n//# sourceMappingURL=icon-registry.js.map","/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nimport * as tslib_1 from \"tslib\";\nimport { first } from '@angular/cdk/rxjs';\nimport { Attribute, ChangeDetectionStrategy, Component, ElementRef, Input, Renderer2, ViewEncapsulation, } from '@angular/core';\nimport { mixinColor } from '@angular/material/core';\nimport { MatIconRegistry } from './icon-registry';\n/**\n * \\@docs-private\n */\nvar MatIconBase = (function () {\n    /**\n     * @param {?} _renderer\n     * @param {?} _elementRef\n     */\n    function MatIconBase(_renderer, _elementRef) {\n        this._renderer = _renderer;\n        this._elementRef = _elementRef;\n    }\n    return MatIconBase;\n}());\nexport { MatIconBase };\nfunction MatIconBase_tsickle_Closure_declarations() {\n    /** @type {?} */\n    MatIconBase.prototype._renderer;\n    /** @type {?} */\n    MatIconBase.prototype._elementRef;\n}\nexport var /** @type {?} */ _MatIconMixinBase = mixinColor(MatIconBase);\n/**\n * Component to display an icon. It can be used in the following ways:\n *\n * - Specify the svgIcon input to load an SVG icon from a URL previously registered with the\n *   addSvgIcon, addSvgIconInNamespace, addSvgIconSet, or addSvgIconSetInNamespace methods of\n *   MatIconRegistry. If the svgIcon value contains a colon it is assumed to be in the format\n *   \"[namespace]:[name]\", if not the value will be the name of an icon in the default namespace.\n *   Examples:\n *     <mat-icon svgIcon=\"left-arrow\"></mat-icon>\n *     <mat-icon svgIcon=\"animals:cat\"></mat-icon>\n *\n * - Use a font ligature as an icon by putting the ligature text in the content of the <mat-icon>\n *   component. By default the Material icons font is used as described at\n *   http://google.github.io/material-design-icons/#icon-font-for-the-web. You can specify an\n *   alternate font by setting the fontSet input to either the CSS class to apply to use the\n *   desired font, or to an alias previously registered with MatIconRegistry.registerFontClassAlias.\n *   Examples:\n *     <mat-icon>home</mat-icon>\n *     <mat-icon fontSet=\"myfont\">sun</mat-icon>\n *\n * - Specify a font glyph to be included via CSS rules by setting the fontSet input to specify the\n *   font, and the fontIcon input to specify the icon. Typically the fontIcon will specify a\n *   CSS class which causes the glyph to be displayed via a :before selector, as in\n *   https://fortawesome.github.io/Font-Awesome/examples/\n *   Example:\n *     <mat-icon fontSet=\"fa\" fontIcon=\"alarm\"></mat-icon>\n */\nvar MatIcon = (function (_super) {\n    tslib_1.__extends(MatIcon, _super);\n    /**\n     * @param {?} renderer\n     * @param {?} elementRef\n     * @param {?} _iconRegistry\n     * @param {?} ariaHidden\n     */\n    function MatIcon(renderer, elementRef, _iconRegistry, ariaHidden) {\n        var _this = _super.call(this, renderer, elementRef) || this;\n        _this._iconRegistry = _iconRegistry;\n        // If the user has not explicitly set aria-hidden, mark the icon as hidden, as this is\n        // the right thing to do for the majority of icon use-cases.\n        if (!ariaHidden) {\n            renderer.setAttribute(elementRef.nativeElement, 'aria-hidden', 'true');\n        }\n        return _this;\n    }\n    /**\n     * Splits an svgIcon binding value into its icon set and icon name components.\n     * Returns a 2-element array of [(icon set), (icon name)].\n     * The separator for the two fields is ':'. If there is no separator, an empty\n     * string is returned for the icon set and the entire value is returned for\n     * the icon name. If the argument is falsy, returns an array of two empty strings.\n     * Throws an error if the name contains two or more ':' separators.\n     * Examples:\n     *   'social:cake' -> ['social', 'cake']\n     *   'penguin' -> ['', 'penguin']\n     *   null -> ['', '']\n     *   'a:b:c' -> (throws Error)\n     * @param {?} iconName\n     * @return {?}\n     */\n    MatIcon.prototype._splitIconName = function (iconName) {\n        if (!iconName) {\n            return ['', ''];\n        }\n        var /** @type {?} */ parts = iconName.split(':');\n        switch (parts.length) {\n            case 1: return ['', parts[0]]; // Use default namespace.\n            case 2: return (parts);\n            default: throw Error(\"Invalid icon name: \\\"\" + iconName + \"\\\"\");\n        }\n    };\n    /**\n     * @param {?} changes\n     * @return {?}\n     */\n    MatIcon.prototype.ngOnChanges = function (changes) {\n        var _this = this;\n        // Only update the inline SVG icon if the inputs changed, to avoid unnecessary DOM operations.\n        if (changes.svgIcon) {\n            if (this.svgIcon) {\n                var _a = this._splitIconName(this.svgIcon), namespace = _a[0], iconName = _a[1];\n                first.call(this._iconRegistry.getNamedSvgIcon(iconName, namespace)).subscribe(function (svg) { return _this._setSvgElement(svg); }, function (err) { return console.log(\"Error retrieving icon: \" + err.message); });\n            }\n            else {\n                this._clearSvgElement();\n            }\n        }\n        if (this._usingFontIcon()) {\n            this._updateFontIconClasses();\n        }\n    };\n    /**\n     * @return {?}\n     */\n    MatIcon.prototype.ngOnInit = function () {\n        // Update font classes because ngOnChanges won't be called if none of the inputs are present,\n        // e.g. <mat-icon>arrow</mat-icon> In this case we need to add a CSS class for the default font.\n        if (this._usingFontIcon()) {\n            this._updateFontIconClasses();\n        }\n    };\n    /**\n     * @return {?}\n     */\n    MatIcon.prototype._usingFontIcon = function () {\n        return !this.svgIcon;\n    };\n    /**\n     * @param {?} svg\n     * @return {?}\n     */\n    MatIcon.prototype._setSvgElement = function (svg) {\n        this._clearSvgElement();\n        this._renderer.appendChild(this._elementRef.nativeElement, svg);\n    };\n    /**\n     * @return {?}\n     */\n    MatIcon.prototype._clearSvgElement = function () {\n        var /** @type {?} */ layoutElement = this._elementRef.nativeElement;\n        var /** @type {?} */ childCount = layoutElement.childNodes.length;\n        // Remove existing child nodes and add the new SVG element. Note that we can't\n        // use innerHTML, because IE will throw if the element has a data binding.\n        for (var /** @type {?} */ i = 0; i < childCount; i++) {\n            this._renderer.removeChild(layoutElement, layoutElement.childNodes[i]);\n        }\n    };\n    /**\n     * @return {?}\n     */\n    MatIcon.prototype._updateFontIconClasses = function () {\n        if (!this._usingFontIcon()) {\n            return;\n        }\n        var /** @type {?} */ elem = this._elementRef.nativeElement;\n        var /** @type {?} */ fontSetClass = this.fontSet ?\n            this._iconRegistry.classNameForFontAlias(this.fontSet) :\n            this._iconRegistry.getDefaultFontSetClass();\n        if (fontSetClass != this._previousFontSetClass) {\n            if (this._previousFontSetClass) {\n                this._renderer.removeClass(elem, this._previousFontSetClass);\n            }\n            if (fontSetClass) {\n                this._renderer.addClass(elem, fontSetClass);\n            }\n            this._previousFontSetClass = fontSetClass;\n        }\n        if (this.fontIcon != this._previousFontIconClass) {\n            if (this._previousFontIconClass) {\n                this._renderer.removeClass(elem, this._previousFontIconClass);\n            }\n            if (this.fontIcon) {\n                this._renderer.addClass(elem, this.fontIcon);\n            }\n            this._previousFontIconClass = this.fontIcon;\n        }\n    };\n    MatIcon.decorators = [\n        { type: Component, args: [{template: '<ng-content></ng-content>',\n                    selector: 'mat-icon',\n                    exportAs: 'matIcon',\n                    styles: [\".mat-icon{background-repeat:no-repeat;display:inline-block;fill:currentColor;height:24px;width:24px}\"],\n                    inputs: ['color'],\n                    host: {\n                        'role': 'img',\n                        'class': 'mat-icon',\n                    },\n                    encapsulation: ViewEncapsulation.None,\n                    preserveWhitespaces: false,\n                    changeDetection: ChangeDetectionStrategy.OnPush,\n                },] },\n    ];\n    /**\n     * @nocollapse\n     */\n    MatIcon.ctorParameters = function () { return [\n        { type: Renderer2, },\n        { type: ElementRef, },\n        { type: MatIconRegistry, },\n        { type: undefined, decorators: [{ type: Attribute, args: ['aria-hidden',] },] },\n    ]; };\n    MatIcon.propDecorators = {\n        'svgIcon': [{ type: Input },],\n        'fontSet': [{ type: Input },],\n        'fontIcon': [{ type: Input },],\n    };\n    return MatIcon;\n}(_MatIconMixinBase));\nexport { MatIcon };\nfunction MatIcon_tsickle_Closure_declarations() {\n    /** @type {?} */\n    MatIcon.decorators;\n    /**\n     * @nocollapse\n     * @type {?}\n     */\n    MatIcon.ctorParameters;\n    /** @type {?} */\n    MatIcon.propDecorators;\n    /**\n     * Name of the icon in the SVG icon set.\n     * @type {?}\n     */\n    MatIcon.prototype.svgIcon;\n    /**\n     * Font set that the icon is a part of.\n     * @type {?}\n     */\n    MatIcon.prototype.fontSet;\n    /**\n     * Name of an icon within a font set.\n     * @type {?}\n     */\n    MatIcon.prototype.fontIcon;\n    /** @type {?} */\n    MatIcon.prototype._previousFontSetClass;\n    /** @type {?} */\n    MatIcon.prototype._previousFontIconClass;\n    /** @type {?} */\n    MatIcon.prototype._iconRegistry;\n}\n//# sourceMappingURL=icon.js.map","/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nimport { NgModule } from '@angular/core';\nimport { MatCommonModule } from '@angular/material/core';\nimport { MatIcon } from './icon';\nimport { ICON_REGISTRY_PROVIDER } from './icon-registry';\nvar MatIconModule = (function () {\n    function MatIconModule() {\n    }\n    MatIconModule.decorators = [\n        { type: NgModule, args: [{\n                    imports: [MatCommonModule],\n                    exports: [MatIcon, MatCommonModule],\n                    declarations: [MatIcon],\n                    providers: [ICON_REGISTRY_PROVIDER],\n                },] },\n    ];\n    /**\n     * @nocollapse\n     */\n    MatIconModule.ctorParameters = function () { return []; };\n    return MatIconModule;\n}());\nexport { MatIconModule };\nfunction MatIconModule_tsickle_Closure_declarations() {\n    /** @type {?} */\n    MatIconModule.decorators;\n    /**\n     * @nocollapse\n     * @type {?}\n     */\n    MatIconModule.ctorParameters;\n}\n//# sourceMappingURL=icon-module.js.map","/**\n * Generated bundle index. Do not edit.\n */\nexport { MatIconModule, MatIconBase, _MatIconMixinBase, MatIcon, getMatIconNameNotFoundError, getMatIconNoHttpProviderError, getMatIconFailedToSanitizeError, MatIconRegistry, ICON_REGISTRY_PROVIDER_FACTORY, ICON_REGISTRY_PROVIDER } from './public-api';\n//# 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