/**
 * @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 { NgModule, Injectable, NgZone, defineInjectable, inject } from '@angular/core';
import { Platform } from '@angular/cdk/platform';
import { asapScheduler, combineLatest, fromEventPattern, Subject } from 'rxjs';
import { debounceTime, map, startWith, takeUntil } from 'rxjs/operators';
import { coerceArray } from '@angular/cdk/coercion';

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
 */
class LayoutModule {
}
LayoutModule.decorators = [
    { type: NgModule },
];

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
 */
/** *
 * Global registry for all dynamically-created, injected media queries.
  @type {?} */
const mediaQueriesForWebkitCompatibility = new Set();
/** *
 * Style tag that holds all of the dynamically-created media queries.
  @type {?} */
let mediaQueryStyleNode;
/**
 * A utility for calling matchMedia queries.
 */
class MediaMatcher {
    /**
     * @param {?} platform
     */
    constructor(platform) {
        this.platform = platform;
        this._matchMedia = this.platform.isBrowser && window.matchMedia ?
            // matchMedia is bound to the window scope intentionally as it is an illegal invocation to
            // call it from a different scope.
            window.matchMedia.bind(window) :
            noopMatchMedia;
    }
    /**
     * Evaluates the given media query and returns the native MediaQueryList from which results
     * can be retrieved.
     * Confirms the layout engine will trigger for the selector query provided and returns the
     * MediaQueryList for the query provided.
     * @param {?} query
     * @return {?}
     */
    matchMedia(query) {
        if (this.platform.WEBKIT) {
            createEmptyStyleRule(query);
        }
        return this._matchMedia(query);
    }
}
MediaMatcher.decorators = [
    { type: Injectable, args: [{ providedIn: 'root' },] },
];
/** @nocollapse */
MediaMatcher.ctorParameters = () => [
    { type: Platform }
];
/** @nocollapse */ MediaMatcher.ngInjectableDef = defineInjectable({ factory: function MediaMatcher_Factory() { return new MediaMatcher(inject(Platform)); }, token: MediaMatcher, providedIn: "root" });
/**
 * For Webkit engines that only trigger the MediaQueryListListener when
 * there is at least one CSS selector for the respective media query.
 * @param {?} query
 * @return {?}
 */
function createEmptyStyleRule(query) {
    if (mediaQueriesForWebkitCompatibility.has(query)) {
        return;
    }
    try {
        if (!mediaQueryStyleNode) {
            mediaQueryStyleNode = document.createElement('style');
            mediaQueryStyleNode.setAttribute('type', 'text/css');
            document.head.appendChild(mediaQueryStyleNode);
        }
        if (mediaQueryStyleNode.sheet) {
            (/** @type {?} */ (mediaQueryStyleNode.sheet))
                .insertRule(`@media ${query} {.fx-query-test{ }}`, 0);
            mediaQueriesForWebkitCompatibility.add(query);
        }
    }
    catch (e) {
        console.error(e);
    }
}
/**
 * No-op matchMedia replacement for non-browser platforms.
 * @param {?} query
 * @return {?}
 */
function noopMatchMedia(query) {
    return {
        matches: query === 'all' || query === '',
        media: query,
        addListener: () => { },
        removeListener: () => { }
    };
}

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
 */
/**
 * Utility for checking the matching state of \@media queries.
 */
class BreakpointObserver {
    /**
     * @param {?} mediaMatcher
     * @param {?} zone
     */
    constructor(mediaMatcher, zone) {
        this.mediaMatcher = mediaMatcher;
        this.zone = zone;
        /**
         * A map of all media queries currently being listened for.
         */
        this._queries = new Map();
        /**
         * A subject for all other observables to takeUntil based on.
         */
        this._destroySubject = new Subject();
    }
    /**
     * Completes the active subject, signalling to all other observables to complete.
     * @return {?}
     */
    ngOnDestroy() {
        this._destroySubject.next();
        this._destroySubject.complete();
    }
    /**
     * Whether one or more media queries match the current viewport size.
     * @param {?} value One or more media queries to check.
     * @return {?} Whether any of the media queries match.
     */
    isMatched(value) {
        /** @type {?} */
        const queries = splitQueries(coerceArray(value));
        return queries.some(mediaQuery => this._registerQuery(mediaQuery).mql.matches);
    }
    /**
     * Gets an observable of results for the given queries that will emit new results for any changes
     * in matching of the given queries.
     * @param {?} value One or more media queries to check.
     * @return {?} A stream of matches for the given queries.
     */
    observe(value) {
        /** @type {?} */
        const queries = splitQueries(coerceArray(value));
        /** @type {?} */
        const observables = queries.map(query => this._registerQuery(query).observable);
        return combineLatest(observables).pipe(debounceTime(0, asapScheduler), map((breakpointStates) => {
            /** @type {?} */
            const response = {
                matches: false,
                breakpoints: {},
            };
            breakpointStates.forEach((state) => {
                response.matches = response.matches || state.matches;
                response.breakpoints[state.query] = state.matches;
            });
            return response;
        }));
    }
    /**
     * Registers a specific query to be listened for.
     * @param {?} query
     * @return {?}
     */
    _registerQuery(query) {
        // Only set up a new MediaQueryList if it is not already being listened for.
        if (this._queries.has(query)) {
            return /** @type {?} */ ((this._queries.get(query)));
        }
        /** @type {?} */
        const mql = this.mediaMatcher.matchMedia(query);
        /** @type {?} */
        const queryObservable = fromEventPattern(
        // Listener callback methods are wrapped to be placed back in ngZone. Callbacks must be placed
        // back into the zone because matchMedia is only included in Zone.js by loading the
        // webapis-media-query.js file alongside the zone.js file.  Additionally, some browsers do not
        // have MediaQueryList inherit from EventTarget, which causes inconsistencies in how Zone.js
        // patches it.
        (listener) => {
            mql.addListener((e) => this.zone.run(() => listener(e)));
        }, (listener) => {
            mql.removeListener((e) => this.zone.run(() => listener(e)));
        })
            .pipe(takeUntil(this._destroySubject), startWith(mql), map((nextMql) => ({ query, matches: nextMql.matches })));
        /** @type {?} */
        const output = { observable: queryObservable, mql };
        this._queries.set(query, output);
        return output;
    }
}
BreakpointObserver.decorators = [
    { type: Injectable, args: [{ providedIn: 'root' },] },
];
/** @nocollapse */
BreakpointObserver.ctorParameters = () => [
    { type: MediaMatcher },
    { type: NgZone }
];
/** @nocollapse */ BreakpointObserver.ngInjectableDef = defineInjectable({ factory: function BreakpointObserver_Factory() { return new BreakpointObserver(inject(MediaMatcher), inject(NgZone)); }, token: BreakpointObserver, providedIn: "root" });
/**
 * Split each query string into separate query strings if two queries are provided as comma
 * separated.
 * @param {?} queries
 * @return {?}
 */
function splitQueries(queries) {
    return queries.map((query) => query.split(','))
        .reduce((a1, a2) => a1.concat(a2))
        .map(query => query.trim());
}

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
 */
/** *
 * @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
  @type {?} */
const Breakpoints = {
    XSmall: '(max-width: 599px)',
    Small: '(min-width: 600px) and (max-width: 959px)',
    Medium: '(min-width: 960px) and (max-width: 1279px)',
    Large: '(min-width: 1280px) and (max-width: 1919px)',
    XLarge: '(min-width: 1920px)',
    Handset: '(max-width: 599px) and (orientation: portrait), ' +
        '(max-width: 959px) and (orientation: landscape)',
    Tablet: '(min-width: 600px) and (max-width: 839px) and (orientation: portrait), ' +
        '(min-width: 960px) and (max-width: 1279px) and (orientation: landscape)',
    Web: '(min-width: 840px) and (orientation: portrait), ' +
        '(min-width: 1280px) and (orientation: landscape)',
    HandsetPortrait: '(max-width: 599px) and (orientation: portrait)',
    TabletPortrait: '(min-width: 600px) and (max-width: 839px) and (orientation: portrait)',
    WebPortrait: '(min-width: 840px) and (orientation: portrait)',
    HandsetLandscape: '(max-width: 959px) and (orientation: landscape)',
    TabletLandscape: '(min-width: 960px) and (max-width: 1279px) and (orientation: landscape)',
    WebLandscape: '(min-width: 1280px) and (orientation: landscape)',
};

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
 */

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
 */

export { LayoutModule, BreakpointObserver, Breakpoints, MediaMatcher };
//# sourceMappingURL=layout.js.map
