client/angular/videos/components/watch/videos-watch.component.ts

   1 /// <reference path='../../../../typings/browser/ambient/webtorrent/webtorrent.d.ts' />
   2
   3 import { Component, OnInit, ElementRef } from 'angular2/core';
   4 import { RouteParams, CanDeactivate, ComponentInstruction } from 'angular2/router';
   5
   6 // TODO import it with systemjs
   7 declare var WebTorrent: any;
   8
   9 import { Video } from '../../models/video';
  10 import { VideosService } from '../../services/videos.service';
  11
  12 @Component({
  13   selector: 'my-video-watch',
  14   templateUrl: 'app/angular/videos/components/watch/videos-watch.component.html',
  15   styleUrls: [ 'app/angular/videos/components/watch/videos-watch.component.css' ]
  16 })
  17
  18 export class VideosWatchComponent implements OnInit, CanDeactivate {
  19   video: Video;
  20
  21   private client: any;
  22
  23   constructor(
  24     private _videosService: VideosService,
  25     private _routeParams: RouteParams,
  26     private _elementRef: ElementRef
  27   ) {
  28     // TODO: use a service
  29     this.client = new WebTorrent({ dht: false });
  30   }
  31
  32   ngOnInit() {
  33     let id = this._routeParams.get('id');
  34     this._videosService.getVideo(id).subscribe(
  35       video => this.loadVideo(video),
  36       error => alert(error)
  37     );
  38   }
  39
  40   loadVideo(video: Video) {
  41     this.video = video;
  42     console.log('Adding ' + this.video.magnetUri + '.');
  43     this.client.add(this.video.magnetUri, (torrent) => {
  44       console.log('Added ' + this.video.magnetUri + '.');
  45       torrent.files[0].appendTo(this._elementRef.nativeElement, (err) => {
  46         if (err) {
  47           alert('Cannot append the file.');
  48           console.error(err);
  49         }
  50       });
  51     });
  52   }
  53
  54   routerCanDeactivate(next: ComponentInstruction, prev: ComponentInstruction) : any {
  55     console.log('Removing video from webtorrent.');
  56     this.client.remove(this.video.magnetUri);
  57     return true;
  58   }
  59 }