angular-cn/modules/@angular/platform-browser/src/dom/web_animations_player.ts
2016-06-09 17:00:15 -07:00

55 lines
1.3 KiB
TypeScript

import {AnimationPlayer} from '../../core_private';
import {isPresent} from '../facade/lang';
import {DomAnimatePlayer} from './dom_animate_player';
export class WebAnimationsPlayer implements AnimationPlayer {
private _subscriptions: Function[] = [];
private _finished = false;
public parentPlayer: AnimationPlayer = null;
constructor(private _player: DomAnimatePlayer, public totalTime: number) {
// this is required to make the player startable at a later time
this.reset();
this._player.onfinish = () => this._onFinish();
}
private _onFinish() {
if (!this._finished) {
this._finished = true;
if (!isPresent(this.parentPlayer)) {
this.destroy();
}
this._subscriptions.forEach(fn => fn());
this._subscriptions = [];
}
}
onDone(fn: Function): void { this._subscriptions.push(fn); }
play(): void { this._player.play(); }
pause(): void { this._player.pause(); }
finish(): void {
this._onFinish();
this._player.finish();
}
reset(): void { this._player.cancel(); }
restart(): void {
this.reset();
this.play();
}
destroy(): void {
this.reset();
this._onFinish();
}
setPosition(p: any /** TODO #9100 */): void { this._player.currentTime = p * this.totalTime; }
getPosition(): number { return this._player.currentTime / this.totalTime; }
}