dev@171: /**
dev@171:  * Created by lucast on 21/03/2017.
dev@171:  */
dev@232: import {
dev@232:   ChangeDetectionStrategy,
dev@232:   Component,
dev@232:   Input
dev@236: } from '@angular/core';
dev@178: import Waves from 'waves-ui';
dev@236: import {AnalysisItem} from '../analysis-item/analysis-item.component';
dev@171: 
dev@171: @Component({
dev@171:   selector: 'ugly-notebook-feed',
dev@171:   templateUrl: './notebook-feed.component.html',
dev@232:   styleUrls: ['./notebook-feed.component.css'],
dev@232:   changeDetection: ChangeDetectionStrategy.OnPush
dev@171: })
dev@171: export class NotebookFeedComponent {
dev@201:   @Input() analyses: AnalysisItem[];
dev@201:   @Input() set rootAudioUri(uri: string) {
dev@201:     this._rootAudioUri = uri;
dev@171:   }
dev@171: 
dev@201:   get rootAudioUri(): string {
dev@201:     return this._rootAudioUri;
dev@171:   }
dev@201:   private _rootAudioUri: string;
dev@282:   private timelines: Map<string, Timeline>;
dev@181: 
dev@181:   constructor() {
dev@282:     this.timelines = new Map();
dev@282:   }
dev@282: 
dev@282:   getOrCreateTimeline(item: AnalysisItem): Timeline | void {
dev@282:     if (!item.hasSharedTimeline) {
dev@282:       return;
dev@282:     }
dev@282: 
dev@282:     if (this.timelines.has(item.rootAudioUri)) {
dev@282:       return this.timelines.get(item.rootAudioUri);
dev@282:     } else {
dev@282:       const timeline = new Waves.core.Timeline();
dev@282:       this.timelines.set(item.rootAudioUri, timeline);
dev@282:       return timeline;
dev@282:     }
dev@181:   }
dev@171: }