| /** |
| * @fileoverview added by tsickle |
| * @suppress {checkTypes,extraRequire,missingReturn,uselessCode} checked by tsc |
| */ |
| import { Injectable, NgZone, SkipSelf, Optional } from '@angular/core'; |
| import { BehaviorSubject, fromEvent } from 'rxjs'; |
| var TdMediaService = /** @class */ (function () { |
| function TdMediaService(_ngZone) { |
| var _this = this; |
| this._ngZone = _ngZone; |
| this._resizing = false; |
| this._queryMap = new Map(); |
| this._querySources = {}; |
| this._queryObservables = {}; |
| this._queryMap.set('xs', '(max-width: 599px)'); |
| this._queryMap.set('gt-xs', '(min-width: 600px)'); |
| this._queryMap.set('sm', '(min-width: 600px) and (max-width: 959px)'); |
| this._queryMap.set('gt-sm', '(min-width: 960px)'); |
| this._queryMap.set('md', '(min-width: 960px) and (max-width: 1279px)'); |
| this._queryMap.set('gt-md', '(min-width: 1280px)'); |
| this._queryMap.set('lg', '(min-width: 1280px) and (max-width: 1919px)'); |
| this._queryMap.set('gt-lg', '(min-width: 1920px)'); |
| this._queryMap.set('xl', '(min-width: 1920px)'); |
| this._queryMap.set('landscape', '(orientation: landscape)'); |
| this._queryMap.set('portrait', '(orientation: portrait)'); |
| this._queryMap.set('print', 'print'); |
| this._resizing = false; |
| // we make sure that the resize checking happend outside of Angular since it happens often |
| this._globalSubscription = this._ngZone.runOutsideAngular(function () { |
| return fromEvent(window, 'resize').subscribe(function () { |
| // way to prevent the resize event from triggering the match media if there is already one event running already. |
| if (!_this._resizing) { |
| _this._resizing = true; |
| setTimeout(function () { |
| _this._onResize(); |
| _this._resizing = false; |
| }, 100); |
| } |
| }); |
| }); |
| } |
| /** |
| * Deregisters a query so its stops being notified or used. |
| */ |
| /** |
| * Deregisters a query so its stops being notified or used. |
| * @param {?} query |
| * @return {?} |
| */ |
| TdMediaService.prototype.deregisterQuery = /** |
| * Deregisters a query so its stops being notified or used. |
| * @param {?} query |
| * @return {?} |
| */ |
| function (query) { |
| if (this._queryMap.get(query.toLowerCase())) { |
| query = this._queryMap.get(query.toLowerCase()); |
| } |
| this._querySources[query].unsubscribe(); |
| delete this._querySources[query]; |
| delete this._queryObservables[query]; |
| }; |
| /** |
| * Used to evaluate whether a given media query is true or false given the current device's screen / window size. |
| */ |
| /** |
| * Used to evaluate whether a given media query is true or false given the current device's screen / window size. |
| * @param {?} query |
| * @return {?} |
| */ |
| TdMediaService.prototype.query = /** |
| * Used to evaluate whether a given media query is true or false given the current device's screen / window size. |
| * @param {?} query |
| * @return {?} |
| */ |
| function (query) { |
| if (this._queryMap.get(query.toLowerCase())) { |
| query = this._queryMap.get(query.toLowerCase()); |
| } |
| return this._ngZone.run(function () { |
| return matchMedia(query).matches; |
| }); |
| }; |
| /** |
| * Registers a media query and returns an [Observable] that will re-evaluate and |
| * return if the given media query matches on window resize. |
| * Note: don't forget to unsubscribe from [Observable] when finished watching. |
| */ |
| /** |
| * Registers a media query and returns an [Observable] that will re-evaluate and |
| * return if the given media query matches on window resize. |
| * Note: don't forget to unsubscribe from [Observable] when finished watching. |
| * @param {?} query |
| * @return {?} |
| */ |
| TdMediaService.prototype.registerQuery = /** |
| * Registers a media query and returns an [Observable] that will re-evaluate and |
| * return if the given media query matches on window resize. |
| * Note: don't forget to unsubscribe from [Observable] when finished watching. |
| * @param {?} query |
| * @return {?} |
| */ |
| function (query) { |
| if (this._queryMap.get(query.toLowerCase())) { |
| query = this._queryMap.get(query.toLowerCase()); |
| } |
| if (!this._querySources[query]) { |
| this._querySources[query] = new BehaviorSubject(matchMedia(query).matches); |
| this._queryObservables[query] = this._querySources[query].asObservable(); |
| } |
| return this._queryObservables[query]; |
| }; |
| /** |
| * Trigger a match media event on all subscribed observables. |
| */ |
| /** |
| * Trigger a match media event on all subscribed observables. |
| * @return {?} |
| */ |
| TdMediaService.prototype.broadcast = /** |
| * Trigger a match media event on all subscribed observables. |
| * @return {?} |
| */ |
| function () { |
| this._onResize(); |
| }; |
| /** |
| * @return {?} |
| */ |
| TdMediaService.prototype._onResize = /** |
| * @return {?} |
| */ |
| function () { |
| var _this = this; |
| var _loop_1 = function (query) { |
| this_1._ngZone.run(function () { |
| _this._matchMediaTrigger(query); |
| }); |
| }; |
| var this_1 = this; |
| for (var query in this._querySources) { |
| _loop_1(query); |
| } |
| }; |
| /** |
| * @param {?} query |
| * @return {?} |
| */ |
| TdMediaService.prototype._matchMediaTrigger = /** |
| * @param {?} query |
| * @return {?} |
| */ |
| function (query) { |
| this._querySources[query].next(matchMedia(query).matches); |
| }; |
| TdMediaService.decorators = [ |
| { type: Injectable } |
| ]; |
| /** @nocollapse */ |
| TdMediaService.ctorParameters = function () { return [ |
| { type: NgZone } |
| ]; }; |
| return TdMediaService; |
| }()); |
| export { TdMediaService }; |
| if (false) { |
| /** @type {?} */ |
| TdMediaService.prototype._resizing; |
| /** @type {?} */ |
| TdMediaService.prototype._globalSubscription; |
| /** @type {?} */ |
| TdMediaService.prototype._queryMap; |
| /** @type {?} */ |
| TdMediaService.prototype._querySources; |
| /** @type {?} */ |
| TdMediaService.prototype._queryObservables; |
| /** @type {?} */ |
| TdMediaService.prototype._ngZone; |
| } |
| /** |
| * @param {?} parent |
| * @param {?} ngZone |
| * @return {?} |
| */ |
| export function MEDIA_PROVIDER_FACTORY(parent, ngZone) { |
| return parent || new TdMediaService(ngZone); |
| } |
| /** @type {?} */ |
| export var MEDIA_PROVIDER = { |
| // If there is already a service available, use that. Otherwise, provide a new one. |
| provide: TdMediaService, |
| deps: [[new Optional(), new SkipSelf(), TdMediaService], NgZone], |
| useFactory: MEDIA_PROVIDER_FACTORY, |
| }; |
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{ Injectable, NgZone, SkipSelf, Optional, Provider } from '@angular/core';\nimport { Observable, BehaviorSubject, Subscription, fromEvent } from 'rxjs';\n\n@Injectable()\nexport class TdMediaService {\n\n  private _resizing: boolean = false;\n  private _globalSubscription: Subscription;\n  private _queryMap: Map<string, string> = new Map<string, string>();\n  private _querySources: { [key: string]: BehaviorSubject<boolean>} = {};\n  private _queryObservables: {[key: string]: Observable<boolean>} = {};\n\n  constructor(private _ngZone: NgZone) {\n    this._queryMap.set('xs', '(max-width: 599px)');\n    this._queryMap.set('gt-xs', '(min-width: 600px)');\n    this._queryMap.set('sm', '(min-width: 600px) and (max-width: 959px)');\n    this._queryMap.set('gt-sm', '(min-width: 960px)');\n    this._queryMap.set('md', '(min-width: 960px) and (max-width: 1279px)');\n    this._queryMap.set('gt-md', '(min-width: 1280px)');\n    this._queryMap.set('lg', '(min-width: 1280px) and (max-width: 1919px)');\n    this._queryMap.set('gt-lg', '(min-width: 1920px)');\n    this._queryMap.set('xl', '(min-width: 1920px)');\n    this._queryMap.set('landscape', '(orientation: landscape)');\n    this._queryMap.set('portrait', '(orientation: portrait)');\n    this._queryMap.set('print', 'print');\n\n    this._resizing = false;\n    // we make sure that the resize checking happend outside of Angular since it happens often\n    this._globalSubscription = this._ngZone.runOutsideAngular(() => {\n      return fromEvent(window, 'resize').subscribe(() => {\n        // way to prevent the resize event from triggering the match media if there is already one event running already.\n        if (!this._resizing) {\n          this._resizing = true;\n          setTimeout(() => {\n            this._onResize();\n            this._resizing = false;\n          }, 100);\n        }\n      });\n    });\n  }\n\n  /**\n   * Deregisters a query so its stops being notified or used.\n   */\n  deregisterQuery(query: string): void {\n    if (this._queryMap.get(query.toLowerCase())) {\n      query = this._queryMap.get(query.toLowerCase());\n    }\n    this._querySources[query].unsubscribe();\n    delete this._querySources[query];\n    delete this._queryObservables[query];\n  }\n\n  /**\n   * Used to evaluate whether a given media query is true or false given the current device's screen / window size.\n   */\n  public query(query: string): boolean {\n    if (this._queryMap.get(query.toLowerCase())) {\n      query = this._queryMap.get(query.toLowerCase());\n    }\n    return this._ngZone.run(() => {\n      return matchMedia(query).matches;\n    });\n  }\n\n  /**\n   * Registers a media query and returns an [Observable] that will re-evaluate and\n   * return if the given media query matches on window resize.\n   * Note: don't forget to unsubscribe from [Observable] when finished watching.\n   */\n  public registerQuery(query: string): Observable<boolean> {\n    if (this._queryMap.get(query.toLowerCase())) {\n      query = this._queryMap.get(query.toLowerCase());\n    }\n    if (!this._querySources[query]) {\n      this._querySources[query] = new BehaviorSubject<boolean>(matchMedia(query).matches);\n      this._queryObservables[query] = this._querySources[query].asObservable();\n    }\n    return this._queryObservables[query];\n  }\n\n  /**\n   * Trigger a match media event on all subscribed observables.\n   */\n  public broadcast(): void {\n    this._onResize();\n  }\n\n  private _onResize(): void {\n    for (let query in this._querySources) {\n      this._ngZone.run(() => {\n        this._matchMediaTrigger(query);\n      });\n    }\n  }\n\n  private _matchMediaTrigger(query: string): void {\n    this._querySources[query].next(matchMedia(query).matches);\n  }\n}\n\nexport function MEDIA_PROVIDER_FACTORY(\n    parent: TdMediaService, ngZone: NgZone): TdMediaService {\n  return parent || new TdMediaService(ngZone);\n}\n\nexport const MEDIA_PROVIDER: Provider = {\n  // If there is already a service available, use that. Otherwise, provide a new one.\n  provide: TdMediaService,\n  deps: [[new Optional(), new SkipSelf(), TdMediaService], NgZone],\n  useFactory: MEDIA_PROVIDER_FACTORY,\n};\n"]} |