source: trip-planner-front/node_modules/@angular/cdk/layout/breakpoints-observer.d.ts@ bdd6491

Last change on this file since bdd6491 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

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1/**
2 * @license
3 * Copyright Google LLC All Rights Reserved.
4 *
5 * Use of this source code is governed by an MIT-style license that can be
6 * found in the LICENSE file at https://angular.io/license
7 */
8import { NgZone, OnDestroy } from '@angular/core';
9import { Observable } from 'rxjs';
10import { MediaMatcher } from './media-matcher';
11/** The current state of a layout breakpoint. */
12export interface BreakpointState {
13 /** Whether the breakpoint is currently matching. */
14 matches: boolean;
15 /**
16 * A key boolean pair for each query provided to the observe method,
17 * with its current matched state.
18 */
19 breakpoints: {
20 [key: string]: boolean;
21 };
22}
23/** Utility for checking the matching state of @media queries. */
24export declare class BreakpointObserver implements OnDestroy {
25 private _mediaMatcher;
26 private _zone;
27 /** A map of all media queries currently being listened for. */
28 private _queries;
29 /** A subject for all other observables to takeUntil based on. */
30 private readonly _destroySubject;
31 constructor(_mediaMatcher: MediaMatcher, _zone: NgZone);
32 /** Completes the active subject, signalling to all other observables to complete. */
33 ngOnDestroy(): void;
34 /**
35 * Whether one or more media queries match the current viewport size.
36 * @param value One or more media queries to check.
37 * @returns Whether any of the media queries match.
38 */
39 isMatched(value: string | readonly string[]): boolean;
40 /**
41 * Gets an observable of results for the given queries that will emit new results for any changes
42 * in matching of the given queries.
43 * @param value One or more media queries to check.
44 * @returns A stream of matches for the given queries.
45 */
46 observe(value: string | readonly string[]): Observable<BreakpointState>;
47 /** Registers a specific query to be listened for. */
48 private _registerQuery;
49}
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