81 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
/**
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 * @license
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 * Copyright Google Inc. All Rights Reserved.
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 *
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 * Use of this source code is governed by an MIT-style license that can be
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 * found in the LICENSE file at https://angular.io/license
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 */
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import {AUTO_STYLE, AnimationPlayer, NoopAnimationPlayer, ɵStyleData} from '@angular/animations';
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import {AnimationDriver} from '../src/render/animation_driver';
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/**
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 * @experimental Animation support is experimental.
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 */
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export class MockAnimationDriver implements AnimationDriver {
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  static log: AnimationPlayer[] = [];
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  animate(
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      element: any, keyframes: {[key: string]: string | number}[], duration: number, delay: number,
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      easing: string, previousPlayers: any[] = []): MockAnimationPlayer {
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    const player =
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        new MockAnimationPlayer(element, keyframes, duration, delay, easing, previousPlayers);
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    MockAnimationDriver.log.push(<AnimationPlayer>player);
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    return player;
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  }
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}
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/**
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 * @experimental Animation support is experimental.
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 */
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export class MockAnimationPlayer extends NoopAnimationPlayer {
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  private __finished = false;
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  public previousStyles: {[key: string]: string | number} = {};
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  constructor(
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      public element: any, public keyframes: {[key: string]: string | number}[],
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      public duration: number, public delay: number, public easing: string,
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      public previousPlayers: any[]) {
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    super();
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    previousPlayers.forEach(player => {
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      if (player instanceof MockAnimationPlayer) {
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        const styles = player._captureStyles();
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        Object.keys(styles).forEach(prop => { this.previousStyles[prop] = styles[prop]; });
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      }
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    });
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  }
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  finish(): void {
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    super.finish();
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    this.__finished = true;
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  }
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  destroy(): void {
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    super.destroy();
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    this.__finished = true;
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  }
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  private _captureStyles(): {[styleName: string]: string | number} {
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    const captures: ɵStyleData = {};
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    Object.keys(this.previousStyles).forEach(prop => {
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      captures[prop] = this.previousStyles[prop];
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    });
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    if (this.hasStarted()) {
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      // when assembling the captured styles, it's important that
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      // we build the keyframe styles in the following order:
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      // {other styles within keyframes, ... previousStyles }
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      this.keyframes.forEach(kf => {
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        Object.keys(kf).forEach(prop => {
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          if (prop != 'offset') {
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            captures[prop] = this.__finished ? kf[prop] : AUTO_STYLE;
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          }
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        });
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      });
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    }
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    return captures;
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  }
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}
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