comparison src/app/services/audio-player/audio-player.service.ts @ 192:e4f38975c2bc

Introduce interface for reading a file, once again avoiding specific browser implementation.

 export interface UrlResourceLifetimeManager {
   createUrlToResource(resource: File | Blob): string;
   revokeUrlToResource(url: string): void;
 }
 
+export type ResourceReader = (resource: File | Blob) => Promise<ArrayBuffer>;
 @Injectable()
 export class AudioPlayerService {
 
   private currentObjectUrl: string;
   private playingStateChange: Subject<boolean>;

   private seeked: Subject<number>;
   seeked$: Observable<number>;
 
   constructor(@Inject(HTMLAudioElement) private audioElement: HTMLAudioElement /* TODO probably shouldn't play audio this way */,
               @Inject('AudioContext') private audioContext: AudioContext,
+              @Inject('ResourceReader') private readResource: ResourceReader,
               @Inject(
                 'UrlResourceLifetimeManager'
               ) private resourceManager: UrlResourceLifetimeManager) {
     this.currentObjectUrl = '';
     this.playingStateChange = new Subject<boolean>();