client/src/app/videos/+video-watch/video-watch.component.ts

   1 import { catchError } from 'rxjs/operators'
   2 import { ChangeDetectorRef, Component, ElementRef, Inject, LOCALE_ID, NgZone, OnDestroy, OnInit, ViewChild } from '@angular/core'
   3 import { ActivatedRoute, Router } from '@angular/router'
   4 import { RedirectService } from '@app/core/routing/redirect.service'
   5 import { peertubeLocalStorage } from '@app/shared/misc/peertube-local-storage'
   6 import { VideoSupportComponent } from '@app/videos/+video-watch/modal/video-support.component'
   7 import { MetaService } from '@ngx-meta/core'
   8 import { Notifier, ServerService } from '@app/core'
   9 import { forkJoin, Subscription } from 'rxjs'
  10 import { Hotkey, HotkeysService } from 'angular2-hotkeys'
  11 import { UserVideoRateType, VideoCaption, VideoPlaylistPrivacy, VideoPrivacy, VideoState } from '../../../../../shared'
  12 import { AuthService, ConfirmService } from '../../core'
  13 import { RestExtractor, VideoBlacklistService } from '../../shared'
  14 import { VideoDetails } from '../../shared/video/video-details.model'
  15 import { VideoService } from '../../shared/video/video.service'
  16 import { VideoDownloadComponent } from './modal/video-download.component'
  17 import { VideoReportComponent } from './modal/video-report.component'
  18 import { VideoShareComponent } from './modal/video-share.component'
  19 import { VideoBlacklistComponent } from './modal/video-blacklist.component'
  20 import { SubscribeButtonComponent } from '@app/shared/user-subscription/subscribe-button.component'
  21 import { I18n } from '@ngx-translate/i18n-polyfill'
  22 import { environment } from '../../../environments/environment'
  23 import { VideoCaptionService } from '@app/shared/video-caption'
  24 import { MarkdownService } from '@app/shared/renderer'
  25 import {
  26   P2PMediaLoaderOptions,
  27   PeertubePlayerManager,
  28   PeertubePlayerManagerOptions,
  29   PlayerMode
  30 } from '../../../assets/player/peertube-player-manager'
  31 import { VideoPlaylist } from '@app/shared/video-playlist/video-playlist.model'
  32 import { VideoPlaylistService } from '@app/shared/video-playlist/video-playlist.service'
  33 import { ComponentPagination } from '@app/shared/rest/component-pagination.model'
  34 import { Video } from '@app/shared/video/video.model'
  35
  36 @Component({
  37   selector: 'my-video-watch',
  38   templateUrl: './video-watch.component.html',
  39   styleUrls: [ './video-watch.component.scss' ]
  40 })
  41 export class VideoWatchComponent implements OnInit, OnDestroy {
  42   private static LOCAL_STORAGE_PRIVACY_CONCERN_KEY = 'video-watch-privacy-concern'
  43
  44   @ViewChild('videoDownloadModal') videoDownloadModal: VideoDownloadComponent
  45   @ViewChild('videoShareModal') videoShareModal: VideoShareComponent
  46   @ViewChild('videoReportModal') videoReportModal: VideoReportComponent
  47   @ViewChild('videoSupportModal') videoSupportModal: VideoSupportComponent
  48   @ViewChild('videoBlacklistModal') videoBlacklistModal: VideoBlacklistComponent
  49   @ViewChild('subscribeButton') subscribeButton: SubscribeButtonComponent
  50
  51   player: any
  52   playerElement: HTMLVideoElement
  53   userRating: UserVideoRateType = null
  54   video: VideoDetails = null
  55   descriptionLoading = false
  56
  57   playlist: VideoPlaylist = null
  58   playlistVideos: Video[] = []
  59   playlistPagination: ComponentPagination = {
  60     currentPage: 1,
  61     itemsPerPage: 10,
  62     totalItems: null
  63   }
  64   noPlaylistVideos = false
  65   currentPlaylistPosition = 1
  66
  67   completeDescriptionShown = false
  68   completeVideoDescription: string
  69   shortVideoDescription: string
  70   videoHTMLDescription = ''
  71   likesBarTooltipText = ''
  72   hasAlreadyAcceptedPrivacyConcern = false
  73   remoteServerDown = false
  74   hotkeys: Hotkey[]
  75
  76   private currentTime: number
  77   private paramsSub: Subscription
  78   private queryParamsSub: Subscription
  79
  80   constructor (
  81     private elementRef: ElementRef,
  82     private changeDetector: ChangeDetectorRef,
  83     private route: ActivatedRoute,
  84     private router: Router,
  85     private videoService: VideoService,
  86     private playlistService: VideoPlaylistService,
  87     private videoBlacklistService: VideoBlacklistService,
  88     private confirmService: ConfirmService,
  89     private metaService: MetaService,
  90     private authService: AuthService,
  91     private serverService: ServerService,
  92     private restExtractor: RestExtractor,
  93     private notifier: Notifier,
  94     private markdownService: MarkdownService,
  95     private zone: NgZone,
  96     private redirectService: RedirectService,
  97     private videoCaptionService: VideoCaptionService,
  98     private i18n: I18n,
  99     private hotkeysService: HotkeysService,
 100     @Inject(LOCALE_ID) private localeId: string
 101   ) {}
 102
 103   get user () {
 104     return this.authService.getUser()
 105   }
 106
 107   ngOnInit () {
 108     if (
 109       !!((window as any).RTCPeerConnection || (window as any).mozRTCPeerConnection || (window as any).webkitRTCPeerConnection) === false ||
 110       peertubeLocalStorage.getItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY) === 'true'
 111     ) {
 112       this.hasAlreadyAcceptedPrivacyConcern = true
 113     }
 114
 115     this.paramsSub = this.route.params.subscribe(routeParams => {
 116       const videoId = routeParams[ 'videoId' ]
 117       if (videoId) this.loadVideo(videoId)
 118
 119       const playlistId = routeParams[ 'playlistId' ]
 120       if (playlistId) this.loadPlaylist(playlistId)
 121     })
 122
 123     this.queryParamsSub = this.route.queryParams.subscribe(queryParams => {
 124       const videoId = queryParams[ 'videoId' ]
 125       if (videoId) this.loadVideo(videoId)
 126     })
 127
 128     this.hotkeys = [
 129       new Hotkey('shift+l', (event: KeyboardEvent): boolean => {
 130         this.setLike()
 131         return false
 132       }, undefined, this.i18n('Like the video')),
 133       new Hotkey('shift+d', (event: KeyboardEvent): boolean => {
 134         this.setDislike()
 135         return false
 136       }, undefined, this.i18n('Dislike the video')),
 137       new Hotkey('shift+s', (event: KeyboardEvent): boolean => {
 138         this.subscribeButton.subscribed ?
 139           this.subscribeButton.unsubscribe() :
 140           this.subscribeButton.subscribe()
 141         return false
 142       }, undefined, this.i18n('Subscribe to the account'))
 143     ]
 144     if (this.isUserLoggedIn()) this.hotkeysService.add(this.hotkeys)
 145   }
 146
 147   ngOnDestroy () {
 148     this.flushPlayer()
 149
 150     // Unsubscribe subscriptions
 151     if (this.paramsSub) this.paramsSub.unsubscribe()
 152     if (this.queryParamsSub) this.queryParamsSub.unsubscribe()
 153
 154     // Unbind hotkeys
 155     if (this.isUserLoggedIn()) this.hotkeysService.remove(this.hotkeys)
 156   }
 157
 158   setLike () {
 159     if (this.isUserLoggedIn() === false) return
 160     if (this.userRating === 'like') {
 161       // Already liked this video
 162       this.setRating('none')
 163     } else {
 164       this.setRating('like')
 165     }
 166   }
 167
 168   setDislike () {
 169     if (this.isUserLoggedIn() === false) return
 170     if (this.userRating === 'dislike') {
 171       // Already disliked this video
 172       this.setRating('none')
 173     } else {
 174       this.setRating('dislike')
 175     }
 176   }
 177
 178   showMoreDescription () {
 179     if (this.completeVideoDescription === undefined) {
 180       return this.loadCompleteDescription()
 181     }
 182
 183     this.updateVideoDescription(this.completeVideoDescription)
 184     this.completeDescriptionShown = true
 185   }
 186
 187   showLessDescription () {
 188     this.updateVideoDescription(this.shortVideoDescription)
 189     this.completeDescriptionShown = false
 190   }
 191
 192   loadCompleteDescription () {
 193     this.descriptionLoading = true
 194
 195     this.videoService.loadCompleteDescription(this.video.descriptionPath)
 196         .subscribe(
 197           description => {
 198             this.completeDescriptionShown = true
 199             this.descriptionLoading = false
 200
 201             this.shortVideoDescription = this.video.description
 202             this.completeVideoDescription = description
 203
 204             this.updateVideoDescription(this.completeVideoDescription)
 205           },
 206
 207           error => {
 208             this.descriptionLoading = false
 209             this.notifier.error(error.message)
 210           }
 211         )
 212   }
 213
 214   showReportModal (event: Event) {
 215     event.preventDefault()
 216     this.videoReportModal.show()
 217   }
 218
 219   showSupportModal () {
 220     this.videoSupportModal.show()
 221   }
 222
 223   showShareModal () {
 224     this.videoShareModal.show(this.currentTime)
 225   }
 226
 227   showDownloadModal (event: Event) {
 228     event.preventDefault()
 229     this.videoDownloadModal.show()
 230   }
 231
 232   showBlacklistModal (event: Event) {
 233     event.preventDefault()
 234     this.videoBlacklistModal.show()
 235   }
 236
 237   async unblacklistVideo (event: Event) {
 238     event.preventDefault()
 239
 240     const confirmMessage = this.i18n(
 241       'Do you really want to remove this video from the blacklist? It will be available again in the videos list.'
 242     )
 243
 244     const res = await this.confirmService.confirm(confirmMessage, this.i18n('Unblacklist'))
 245     if (res === false) return
 246
 247     this.videoBlacklistService.removeVideoFromBlacklist(this.video.id).subscribe(
 248       () => {
 249         this.notifier.success(this.i18n('Video {{name}} removed from the blacklist.', { name: this.video.name }))
 250
 251         this.video.blacklisted = false
 252         this.video.blacklistedReason = null
 253       },
 254
 255       err => this.notifier.error(err.message)
 256     )
 257   }
 258
 259   isUserLoggedIn () {
 260     return this.authService.isLoggedIn()
 261   }
 262
 263   isVideoUpdatable () {
 264     return this.video.isUpdatableBy(this.authService.getUser())
 265   }
 266
 267   isVideoBlacklistable () {
 268     return this.video.isBlackistableBy(this.user)
 269   }
 270
 271   isVideoUnblacklistable () {
 272     return this.video.isUnblacklistableBy(this.user)
 273   }
 274
 275   getVideoTags () {
 276     if (!this.video || Array.isArray(this.video.tags) === false) return []
 277
 278     return this.video.tags
 279   }
 280
 281   isVideoRemovable () {
 282     return this.video.isRemovableBy(this.authService.getUser())
 283   }
 284
 285   async removeVideo (event: Event) {
 286     event.preventDefault()
 287
 288     const res = await this.confirmService.confirm(this.i18n('Do you really want to delete this video?'), this.i18n('Delete'))
 289     if (res === false) return
 290
 291     this.videoService.removeVideo(this.video.id)
 292         .subscribe(
 293           () => {
 294             this.notifier.success(this.i18n('Video {{videoName}} deleted.', { videoName: this.video.name }))
 295
 296             // Go back to the video-list.
 297             this.redirectService.redirectToHomepage()
 298           },
 299
 300           error => this.notifier.error(error.message)
 301         )
 302   }
 303
 304   acceptedPrivacyConcern () {
 305     peertubeLocalStorage.setItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY, 'true')
 306     this.hasAlreadyAcceptedPrivacyConcern = true
 307   }
 308
 309   isVideoToTranscode () {
 310     return this.video && this.video.state.id === VideoState.TO_TRANSCODE
 311   }
 312
 313   isVideoDownloadable () {
 314     return this.video && this.video.downloadEnabled
 315   }
 316
 317   isVideoToImport () {
 318     return this.video && this.video.state.id === VideoState.TO_IMPORT
 319   }
 320
 321   hasVideoScheduledPublication () {
 322     return this.video && this.video.scheduledUpdate !== undefined
 323   }
 324
 325   isVideoBlur (video: Video) {
 326     return video.isVideoNSFWForUser(this.user, this.serverService.getConfig())
 327   }
 328
 329   isPlaylistOwned () {
 330     return this.playlist.isLocal === true && this.playlist.ownerAccount.name === this.user.username
 331   }
 332
 333   isUnlistedPlaylist () {
 334     return this.playlist.privacy.id === VideoPlaylistPrivacy.UNLISTED
 335   }
 336
 337   isPrivatePlaylist () {
 338     return this.playlist.privacy.id === VideoPlaylistPrivacy.PRIVATE
 339   }
 340
 341   isPublicPlaylist () {
 342     return this.playlist.privacy.id === VideoPlaylistPrivacy.PUBLIC
 343   }
 344
 345   onPlaylistVideosNearOfBottom () {
 346     // Last page
 347     if (this.playlistPagination.totalItems <= (this.playlistPagination.currentPage * this.playlistPagination.itemsPerPage)) return
 348
 349     this.playlistPagination.currentPage += 1
 350     this.loadPlaylistElements(false)
 351   }
 352
 353   onElementRemoved (video: Video) {
 354     this.playlistVideos = this.playlistVideos.filter(v => v.id !== video.id)
 355
 356     this.playlistPagination.totalItems--
 357   }
 358
 359   private loadVideo (videoId: string) {
 360     // Video did not change
 361     if (this.video && this.video.uuid === videoId) return
 362
 363     if (this.player) this.player.pause()
 364
 365     // Video did change
 366     forkJoin(
 367       this.videoService.getVideo(videoId),
 368       this.videoCaptionService.listCaptions(videoId)
 369     )
 370       .pipe(
 371         // If 401, the video is private or blacklisted so redirect to 404
 372         catchError(err => this.restExtractor.redirectTo404IfNotFound(err, [ 400, 401, 403, 404 ]))
 373       )
 374       .subscribe(([ video, captionsResult ]) => {
 375         const queryParams = this.route.snapshot.queryParams
 376         const startTime = queryParams.start
 377         const stopTime = queryParams.stop
 378         const subtitle = queryParams.subtitle
 379         const playerMode = queryParams.mode
 380
 381         this.onVideoFetched(video, captionsResult.data, { startTime, stopTime, subtitle, playerMode })
 382             .catch(err => this.handleError(err))
 383       })
 384   }
 385
 386   private loadPlaylist (playlistId: string) {
 387     // Playlist did not change
 388     if (this.playlist && this.playlist.uuid === playlistId) return
 389
 390     this.playlistService.getVideoPlaylist(playlistId)
 391       .pipe(
 392         // If 401, the video is private or blacklisted so redirect to 404
 393         catchError(err => this.restExtractor.redirectTo404IfNotFound(err, [ 400, 401, 403, 404 ]))
 394       )
 395       .subscribe(playlist => {
 396         this.playlist = playlist
 397
 398         const videoId = this.route.snapshot.queryParams['videoId']
 399         this.loadPlaylistElements(!videoId)
 400       })
 401   }
 402
 403   private loadPlaylistElements (redirectToFirst = false) {
 404     this.videoService.getPlaylistVideos(this.playlist.id, this.playlistPagination)
 405         .subscribe(({ totalVideos, videos }) => {
 406           this.playlistVideos = this.playlistVideos.concat(videos)
 407           this.playlistPagination.totalItems = totalVideos
 408
 409           if (totalVideos === 0) {
 410             this.noPlaylistVideos = true
 411             return
 412           }
 413
 414           this.updatePlaylistIndex()
 415
 416           if (redirectToFirst) {
 417             const extras = {
 418               queryParams: { videoId: this.playlistVideos[ 0 ].uuid },
 419               replaceUrl: true
 420             }
 421             this.router.navigate([], extras)
 422           }
 423         })
 424   }
 425
 426   private updateVideoDescription (description: string) {
 427     this.video.description = description
 428     this.setVideoDescriptionHTML()
 429   }
 430
 431   private async setVideoDescriptionHTML () {
 432     this.videoHTMLDescription = await this.markdownService.textMarkdownToHTML(this.video.description)
 433   }
 434
 435   private setVideoLikesBarTooltipText () {
 436     this.likesBarTooltipText = this.i18n('{{likesNumber}} likes / {{dislikesNumber}} dislikes', {
 437       likesNumber: this.video.likes,
 438       dislikesNumber: this.video.dislikes
 439     })
 440   }
 441
 442   private handleError (err: any) {
 443     const errorMessage: string = typeof err === 'string' ? err : err.message
 444     if (!errorMessage) return
 445
 446     // Display a message in the video player instead of a notification
 447     if (errorMessage.indexOf('from xs param') !== -1) {
 448       this.flushPlayer()
 449       this.remoteServerDown = true
 450       this.changeDetector.detectChanges()
 451
 452       return
 453     }
 454
 455     this.notifier.error(errorMessage)
 456   }
 457
 458   private checkUserRating () {
 459     // Unlogged users do not have ratings
 460     if (this.isUserLoggedIn() === false) return
 461
 462     this.videoService.getUserVideoRating(this.video.id)
 463         .subscribe(
 464           ratingObject => {
 465             if (ratingObject) {
 466               this.userRating = ratingObject.rating
 467             }
 468           },
 469
 470           err => this.notifier.error(err.message)
 471         )
 472   }
 473
 474   private async onVideoFetched (
 475     video: VideoDetails,
 476     videoCaptions: VideoCaption[],
 477     urlOptions: { startTime?: number, stopTime?: number, subtitle?: string, playerMode?: string }
 478   ) {
 479     this.video = video
 480
 481     // Re init attributes
 482     this.descriptionLoading = false
 483     this.completeDescriptionShown = false
 484     this.remoteServerDown = false
 485     this.currentTime = undefined
 486
 487     this.updatePlaylistIndex()
 488
 489     let startTime = urlOptions.startTime || (this.video.userHistory ? this.video.userHistory.currentTime : 0)
 490     // If we are at the end of the video, reset the timer
 491     if (this.video.duration - startTime <= 1) startTime = 0
 492
 493     if (this.isVideoBlur(this.video)) {
 494       const res = await this.confirmService.confirm(
 495         this.i18n('This video contains mature or explicit content. Are you sure you want to watch it?'),
 496         this.i18n('Mature or explicit content')
 497       )
 498       if (res === false) return this.redirectService.redirectToHomepage()
 499     }
 500
 501     // Flush old player if needed
 502     this.flushPlayer()
 503
 504     // Build video element, because videojs remove it on dispose
 505     const playerElementWrapper = this.elementRef.nativeElement.querySelector('#videojs-wrapper')
 506     this.playerElement = document.createElement('video')
 507     this.playerElement.className = 'video-js vjs-peertube-skin'
 508     this.playerElement.setAttribute('playsinline', 'true')
 509     playerElementWrapper.appendChild(this.playerElement)
 510
 511     const playerCaptions = videoCaptions.map(c => ({
 512       label: c.language.label,
 513       language: c.language.id,
 514       src: environment.apiUrl + c.captionPath
 515     }))
 516
 517     const options: PeertubePlayerManagerOptions = {
 518       common: {
 519         autoplay: this.isAutoplay(),
 520
 521         playerElement: this.playerElement,
 522         onPlayerElementChange: (element: HTMLVideoElement) => this.playerElement = element,
 523
 524         videoDuration: this.video.duration,
 525         enableHotkeys: true,
 526         inactivityTimeout: 2500,
 527         poster: this.video.previewUrl,
 528         startTime,
 529         stopTime: urlOptions.stopTime,
 530
 531         theaterMode: true,
 532         captions: videoCaptions.length !== 0,
 533         peertubeLink: false,
 534
 535         videoViewUrl: this.video.privacy.id !== VideoPrivacy.PRIVATE ? this.videoService.getVideoViewUrl(this.video.uuid) : null,
 536         embedUrl: this.video.embedUrl,
 537
 538         language: this.localeId,
 539
 540         subtitle: urlOptions.subtitle,
 541
 542         userWatching: this.user && this.user.videosHistoryEnabled === true ? {
 543           url: this.videoService.getUserWatchingVideoUrl(this.video.uuid),
 544           authorizationHeader: this.authService.getRequestHeaderValue()
 545         } : undefined,
 546
 547         serverUrl: environment.apiUrl,
 548
 549         videoCaptions: playerCaptions
 550       },
 551
 552       webtorrent: {
 553         videoFiles: this.video.files
 554       }
 555     }
 556
 557     const mode: PlayerMode = urlOptions.playerMode === 'p2p-media-loader' ? 'p2p-media-loader' : 'webtorrent'
 558
 559     if (mode === 'p2p-media-loader') {
 560       const hlsPlaylist = this.video.getHlsPlaylist()
 561
 562       const p2pMediaLoader = {
 563         playlistUrl: hlsPlaylist.playlistUrl,
 564         segmentsSha256Url: hlsPlaylist.segmentsSha256Url,
 565         redundancyBaseUrls: hlsPlaylist.redundancies.map(r => r.baseUrl),
 566         trackerAnnounce: this.video.trackerUrls,
 567         videoFiles: this.video.files
 568       } as P2PMediaLoaderOptions
 569
 570       Object.assign(options, { p2pMediaLoader })
 571     }
 572
 573     this.zone.runOutsideAngular(async () => {
 574       this.player = await PeertubePlayerManager.initialize(mode, options)
 575       this.player.on('customError', ({ err }: { err: any }) => this.handleError(err))
 576
 577       this.player.on('timeupdate', () => {
 578         this.currentTime = Math.floor(this.player.currentTime())
 579       })
 580
 581       this.player.one('ended', () => {
 582         if (this.playlist) {
 583           this.zone.run(() => this.navigateToNextPlaylistVideo())
 584         }
 585       })
 586
 587       this.player.one('stopped', () => {
 588         if (this.playlist) {
 589           this.zone.run(() => this.navigateToNextPlaylistVideo())
 590         }
 591       })
 592     })
 593
 594     this.setVideoDescriptionHTML()
 595     this.setVideoLikesBarTooltipText()
 596
 597     this.setOpenGraphTags()
 598     this.checkUserRating()
 599   }
 600
 601   private setRating (nextRating: UserVideoRateType) {
 602     let method
 603     switch (nextRating) {
 604       case 'like':
 605         method = this.videoService.setVideoLike
 606         break
 607       case 'dislike':
 608         method = this.videoService.setVideoDislike
 609         break
 610       case 'none':
 611         method = this.videoService.unsetVideoLike
 612         break
 613     }
 614
 615     method.call(this.videoService, this.video.id)
 616           .subscribe(
 617             () => {
 618               // Update the video like attribute
 619               this.updateVideoRating(this.userRating, nextRating)
 620               this.userRating = nextRating
 621             },
 622
 623             (err: { message: string }) => this.notifier.error(err.message)
 624           )
 625   }
 626
 627   private updateVideoRating (oldRating: UserVideoRateType, newRating: UserVideoRateType) {
 628     let likesToIncrement = 0
 629     let dislikesToIncrement = 0
 630
 631     if (oldRating) {
 632       if (oldRating === 'like') likesToIncrement--
 633       if (oldRating === 'dislike') dislikesToIncrement--
 634     }
 635
 636     if (newRating === 'like') likesToIncrement++
 637     if (newRating === 'dislike') dislikesToIncrement++
 638
 639     this.video.likes += likesToIncrement
 640     this.video.dislikes += dislikesToIncrement
 641
 642     this.video.buildLikeAndDislikePercents()
 643     this.setVideoLikesBarTooltipText()
 644   }
 645
 646   private updatePlaylistIndex () {
 647     if (this.playlistVideos.length === 0 || !this.video) return
 648
 649     for (const video of this.playlistVideos) {
 650       if (video.id === this.video.id) {
 651         this.currentPlaylistPosition = video.playlistElement.position
 652         return
 653       }
 654     }
 655
 656     // Load more videos to find our video
 657     this.onPlaylistVideosNearOfBottom()
 658   }
 659
 660   private setOpenGraphTags () {
 661     this.metaService.setTitle(this.video.name)
 662
 663     this.metaService.setTag('og:type', 'video')
 664
 665     this.metaService.setTag('og:title', this.video.name)
 666     this.metaService.setTag('name', this.video.name)
 667
 668     this.metaService.setTag('og:description', this.video.description)
 669     this.metaService.setTag('description', this.video.description)
 670
 671     this.metaService.setTag('og:image', this.video.previewPath)
 672
 673     this.metaService.setTag('og:duration', this.video.duration.toString())
 674
 675     this.metaService.setTag('og:site_name', 'PeerTube')
 676
 677     this.metaService.setTag('og:url', window.location.href)
 678     this.metaService.setTag('url', window.location.href)
 679   }
 680
 681   private isAutoplay () {
 682     // We'll jump to the thread id, so do not play the video
 683     if (this.route.snapshot.params['threadId']) return false
 684
 685     // Otherwise true by default
 686     if (!this.user) return true
 687
 688     // Be sure the autoPlay is set to false
 689     return this.user.autoPlayVideo !== false
 690   }
 691
 692   private flushPlayer () {
 693     // Remove player if it exists
 694     if (this.player) {
 695       this.player.dispose()
 696       this.player = undefined
 697     }
 698   }
 699
 700   private navigateToNextPlaylistVideo () {
 701     if (this.currentPlaylistPosition < this.playlistPagination.totalItems) {
 702       const next = this.playlistVideos.find(v => v.playlistElement.position === this.currentPlaylistPosition + 1)
 703
 704       const start = next.playlistElement.startTimestamp
 705       const stop = next.playlistElement.stopTimestamp
 706       this.router.navigate([],{ queryParams: { videoId: next.uuid, start, stop } })
 707     }
 708   }
 709 }