angular-cn/modules/@angular/platform-browser/animations/testing/mock_animation_driver.ts

81 lines
2.4 KiB
TypeScript

/**
* @license
* Copyright Google Inc. 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 {AUTO_STYLE, AnimationPlayer, NoOpAnimationPlayer, ɵStyleData} from '@angular/animations';
import {AnimationDriver} from '../src/render/animation_driver';
/**
* @experimental Animation support is experimental.
*/
export class MockAnimationDriver implements AnimationDriver {
static log: AnimationPlayer[] = [];
animate(
element: any, keyframes: {[key: string]: string | number}[], duration: number, delay: number,
easing: string, previousPlayers: any[] = []): MockAnimationPlayer {
const player =
new MockAnimationPlayer(element, keyframes, duration, delay, easing, previousPlayers);
MockAnimationDriver.log.push(<AnimationPlayer>player);
return player;
}
}
/**
* @experimental Animation support is experimental.
*/
export class MockAnimationPlayer extends NoOpAnimationPlayer {
private __finished = false;
public previousStyles: {[key: string]: string | number} = {};
constructor(
public element: any, public keyframes: {[key: string]: string | number}[],
public duration: number, public delay: number, public easing: string,
public previousPlayers: any[]) {
super();
previousPlayers.forEach(player => {
if (player instanceof MockAnimationPlayer) {
const styles = player._captureStyles();
Object.keys(styles).forEach(prop => { this.previousStyles[prop] = styles[prop]; });
}
});
}
finish(): void {
super.finish();
this.__finished = true;
}
destroy(): void {
super.destroy();
this.__finished = true;
}
private _captureStyles(): {[styleName: string]: string | number} {
const captures: ɵStyleData = {};
Object.keys(this.previousStyles).forEach(prop => {
captures[prop] = this.previousStyles[prop];
});
if (this.hasStarted()) {
// when assembling the captured styles, it's important that
// we build the keyframe styles in the following order:
// {other styles within keyframes, ... previousStyles }
this.keyframes.forEach(kf => {
Object.keys(kf).forEach(prop => {
if (prop != 'offset') {
captures[prop] = this.__finished ? kf[prop] : AUTO_STYLE;
}
});
});
}
return captures;
}
}