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

   1 import { Hotkey, HotkeysService } from 'angular2-hotkeys'
   2 import { forkJoin, Observable, Subscription } from 'rxjs'
   3 import { catchError } from 'rxjs/operators'
   4 import { PlatformLocation } from '@angular/common'
   5 import { ChangeDetectorRef, Component, ElementRef, Inject, LOCALE_ID, NgZone, OnDestroy, OnInit, ViewChild } from '@angular/core'
   6 import { ActivatedRoute, Router } from '@angular/router'
   7 import {
   8   AuthService,
   9   AuthUser,
  10   ConfirmService,
  11   MarkdownService,
  12   MetaService,
  13   Notifier,
  14   PeerTubeSocket,
  15   PluginService,
  16   RestExtractor,
  17   ScreenService,
  18   ServerService,
  19   UserService
  20 } from '@app/core'
  21 import { HooksService } from '@app/core/plugins/hooks.service'
  22 import { RedirectService } from '@app/core/routing/redirect.service'
  23 import { isXPercentInViewport, scrollToTop } from '@app/helpers'
  24 import { Video, VideoCaptionService, VideoDetails, VideoService } from '@app/shared/shared-main'
  25 import { VideoShareComponent } from '@app/shared/shared-share-modal'
  26 import { SupportModalComponent } from '@app/shared/shared-support-modal'
  27 import { SubscribeButtonComponent } from '@app/shared/shared-user-subscription'
  28 import { VideoActionsDisplayType, VideoDownloadComponent } from '@app/shared/shared-video-miniature'
  29 import { VideoPlaylist, VideoPlaylistService } from '@app/shared/shared-video-playlist'
  30 import { peertubeLocalStorage } from '@root-helpers/peertube-web-storage'
  31 import { HttpStatusCode } from '@shared/core-utils/miscs/http-error-codes'
  32 import {
  33   HTMLServerConfig,
  34   PeerTubeProblemDocument,
  35   ServerErrorCode,
  36   UserVideoRateType,
  37   VideoCaption,
  38   VideoPrivacy,
  39   VideoState
  40 } from '@shared/models'
  41 import {
  42   cleanupVideoWatch,
  43   getStoredP2PEnabled,
  44   getStoredTheater,
  45   getStoredVideoWatchHistory
  46 } from '../../../assets/player/peertube-player-local-storage'
  47 import {
  48   CustomizationOptions,
  49   P2PMediaLoaderOptions,
  50   PeertubePlayerManager,
  51   PeertubePlayerManagerOptions,
  52   PlayerMode,
  53   videojs
  54 } from '../../../assets/player/peertube-player-manager'
  55 import { isWebRTCDisabled, timeToInt } from '../../../assets/player/utils'
  56 import { environment } from '../../../environments/environment'
  57 import { VideoWatchPlaylistComponent } from './video-watch-playlist.component'
  58
  59 type URLOptions = CustomizationOptions & { playerMode: PlayerMode }
  60
  61 @Component({
  62   selector: 'my-video-watch',
  63   templateUrl: './video-watch.component.html',
  64   styleUrls: [ './video-watch.component.scss' ]
  65 })
  66 export class VideoWatchComponent implements OnInit, OnDestroy {
  67   private static LOCAL_STORAGE_PRIVACY_CONCERN_KEY = 'video-watch-privacy-concern'
  68
  69   @ViewChild('videoWatchPlaylist', { static: true }) videoWatchPlaylist: VideoWatchPlaylistComponent
  70   @ViewChild('videoShareModal') videoShareModal: VideoShareComponent
  71   @ViewChild('supportModal') supportModal: SupportModalComponent
  72   @ViewChild('subscribeButton') subscribeButton: SubscribeButtonComponent
  73   @ViewChild('videoDownloadModal') videoDownloadModal: VideoDownloadComponent
  74
  75   player: any
  76   playerElement: HTMLVideoElement
  77
  78   theaterEnabled = false
  79
  80   userRating: UserVideoRateType = null
  81
  82   playerPlaceholderImgSrc: string
  83
  84   video: VideoDetails = null
  85   videoCaptions: VideoCaption[] = []
  86
  87   playlistPosition: number
  88   playlist: VideoPlaylist = null
  89
  90   descriptionLoading = false
  91   completeDescriptionShown = false
  92   completeVideoDescription: string
  93   shortVideoDescription: string
  94   videoHTMLDescription = ''
  95
  96   likesBarTooltipText = ''
  97
  98   hasAlreadyAcceptedPrivacyConcern = false
  99   remoteServerDown = false
 100
 101   hotkeys: Hotkey[] = []
 102
 103   tooltipLike = ''
 104   tooltipDislike = ''
 105   tooltipSupport = ''
 106   tooltipSaveToPlaylist = ''
 107
 108   videoActionsOptions: VideoActionsDisplayType = {
 109     playlist: false,
 110     download: true,
 111     update: true,
 112     blacklist: true,
 113     delete: true,
 114     report: true,
 115     duplicate: true,
 116     mute: true,
 117     liveInfo: true
 118   }
 119
 120   private nextVideoUuid = ''
 121   private nextVideoTitle = ''
 122   private currentTime: number
 123   private paramsSub: Subscription
 124   private queryParamsSub: Subscription
 125   private configSub: Subscription
 126   private liveVideosSub: Subscription
 127
 128   private serverConfig: HTMLServerConfig
 129
 130   constructor (
 131     private elementRef: ElementRef,
 132     private changeDetector: ChangeDetectorRef,
 133     private route: ActivatedRoute,
 134     private router: Router,
 135     private videoService: VideoService,
 136     private playlistService: VideoPlaylistService,
 137     private confirmService: ConfirmService,
 138     private metaService: MetaService,
 139     private authService: AuthService,
 140     private userService: UserService,
 141     private serverService: ServerService,
 142     private restExtractor: RestExtractor,
 143     private notifier: Notifier,
 144     private markdownService: MarkdownService,
 145     private zone: NgZone,
 146     private redirectService: RedirectService,
 147     private videoCaptionService: VideoCaptionService,
 148     private hotkeysService: HotkeysService,
 149     private hooks: HooksService,
 150     private pluginService: PluginService,
 151     private peertubeSocket: PeerTubeSocket,
 152     private screenService: ScreenService,
 153     private location: PlatformLocation,
 154     @Inject(LOCALE_ID) private localeId: string
 155   ) { }
 156
 157   get user () {
 158     return this.authService.getUser()
 159   }
 160
 161   get anonymousUser () {
 162     return this.userService.getAnonymousUser()
 163   }
 164
 165   async ngOnInit () {
 166     // Hide the tooltips for unlogged users in mobile view, this adds confusion with the popover
 167     if (this.user || !this.screenService.isInMobileView()) {
 168       this.tooltipLike = $localize`Like this video`
 169       this.tooltipDislike = $localize`Dislike this video`
 170       this.tooltipSupport = $localize`Support options for this video`
 171       this.tooltipSaveToPlaylist = $localize`Save to playlist`
 172     }
 173
 174     PeertubePlayerManager.initState()
 175
 176     this.serverConfig = this.serverService.getHTMLConfig()
 177     if (
 178       isWebRTCDisabled() ||
 179       this.serverConfig.tracker.enabled === false ||
 180       getStoredP2PEnabled() === false ||
 181       peertubeLocalStorage.getItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY) === 'true'
 182     ) {
 183       this.hasAlreadyAcceptedPrivacyConcern = true
 184     }
 185
 186     this.paramsSub = this.route.params.subscribe(routeParams => {
 187       const videoId = routeParams[ 'videoId' ]
 188       if (videoId) this.loadVideo(videoId)
 189
 190       const playlistId = routeParams[ 'playlistId' ]
 191       if (playlistId) this.loadPlaylist(playlistId)
 192     })
 193
 194     this.queryParamsSub = this.route.queryParams.subscribe(queryParams => {
 195       // Handle the ?playlistPosition
 196       const positionParam = queryParams[ 'playlistPosition' ] ?? 1
 197
 198       this.playlistPosition = positionParam === 'last'
 199         ? -1 // Handle the "last" index
 200         : parseInt(positionParam + '', 10)
 201
 202       if (isNaN(this.playlistPosition)) {
 203         console.error(`playlistPosition query param '${positionParam}' was parsed as NaN, defaulting to 1.`)
 204         this.playlistPosition = 1
 205       }
 206
 207       this.videoWatchPlaylist.updatePlaylistIndex(this.playlistPosition)
 208
 209       const start = queryParams[ 'start' ]
 210       if (this.player && start) this.player.currentTime(parseInt(start, 10))
 211     })
 212
 213     this.initHotkeys()
 214
 215     this.theaterEnabled = getStoredTheater()
 216
 217     this.hooks.runAction('action:video-watch.init', 'video-watch')
 218
 219     setTimeout(cleanupVideoWatch, 1500) // Run in timeout to ensure we're not blocking the UI
 220   }
 221
 222   ngOnDestroy () {
 223     this.flushPlayer()
 224
 225     // Unsubscribe subscriptions
 226     if (this.paramsSub) this.paramsSub.unsubscribe()
 227     if (this.queryParamsSub) this.queryParamsSub.unsubscribe()
 228     if (this.configSub) this.configSub.unsubscribe()
 229     if (this.liveVideosSub) this.liveVideosSub.unsubscribe()
 230
 231     // Unbind hotkeys
 232     this.hotkeysService.remove(this.hotkeys)
 233   }
 234
 235   setLike () {
 236     if (this.isUserLoggedIn() === false) return
 237
 238     // Already liked this video
 239     if (this.userRating === 'like') this.setRating('none')
 240     else this.setRating('like')
 241   }
 242
 243   setDislike () {
 244     if (this.isUserLoggedIn() === false) return
 245
 246     // Already disliked this video
 247     if (this.userRating === 'dislike') this.setRating('none')
 248     else this.setRating('dislike')
 249   }
 250
 251   getRatePopoverText () {
 252     if (this.isUserLoggedIn()) return undefined
 253
 254     return $localize`You need to be <a href="/login">logged in</a> to rate this video.`
 255   }
 256
 257   showMoreDescription () {
 258     if (this.completeVideoDescription === undefined) {
 259       return this.loadCompleteDescription()
 260     }
 261
 262     this.updateVideoDescription(this.completeVideoDescription)
 263     this.completeDescriptionShown = true
 264   }
 265
 266   showLessDescription () {
 267     this.updateVideoDescription(this.shortVideoDescription)
 268     this.completeDescriptionShown = false
 269   }
 270
 271   showDownloadModal () {
 272     this.videoDownloadModal.show(this.video, this.videoCaptions)
 273   }
 274
 275   isVideoDownloadable () {
 276     return this.video && this.video instanceof VideoDetails && this.video.downloadEnabled && !this.video.isLive
 277   }
 278
 279   loadCompleteDescription () {
 280     this.descriptionLoading = true
 281
 282     this.videoService.loadCompleteDescription(this.video.descriptionPath)
 283         .subscribe(
 284           description => {
 285             this.completeDescriptionShown = true
 286             this.descriptionLoading = false
 287
 288             this.shortVideoDescription = this.video.description
 289             this.completeVideoDescription = description
 290
 291             this.updateVideoDescription(this.completeVideoDescription)
 292           },
 293
 294           error => {
 295             this.descriptionLoading = false
 296             this.notifier.error(error.message)
 297           }
 298         )
 299   }
 300
 301   showSupportModal () {
 302     this.supportModal.show()
 303   }
 304
 305   showShareModal () {
 306     this.videoShareModal.show(this.currentTime, this.videoWatchPlaylist.currentPlaylistPosition)
 307   }
 308
 309   isUserLoggedIn () {
 310     return this.authService.isLoggedIn()
 311   }
 312
 313   getVideoUrl () {
 314     if (!this.video.url) {
 315       return this.video.originInstanceUrl + VideoDetails.buildClientUrl(this.video.uuid)
 316     }
 317     return this.video.url
 318   }
 319
 320   getVideoTags () {
 321     if (!this.video || Array.isArray(this.video.tags) === false) return []
 322
 323     return this.video.tags
 324   }
 325
 326   onRecommendations (videos: Video[]) {
 327     if (videos.length > 0) {
 328       // The recommended videos's first element should be the next video
 329       const video = videos[0]
 330       this.nextVideoUuid = video.uuid
 331       this.nextVideoTitle = video.name
 332     }
 333   }
 334
 335   onVideoRemoved () {
 336     this.redirectService.redirectToHomepage()
 337   }
 338
 339   declinedPrivacyConcern () {
 340     peertubeLocalStorage.setItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY, 'false')
 341     this.hasAlreadyAcceptedPrivacyConcern = false
 342   }
 343
 344   acceptedPrivacyConcern () {
 345     peertubeLocalStorage.setItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY, 'true')
 346     this.hasAlreadyAcceptedPrivacyConcern = true
 347   }
 348
 349   isVideoToTranscode () {
 350     return this.video && this.video.state.id === VideoState.TO_TRANSCODE
 351   }
 352
 353   isVideoToImport () {
 354     return this.video && this.video.state.id === VideoState.TO_IMPORT
 355   }
 356
 357   hasVideoScheduledPublication () {
 358     return this.video && this.video.scheduledUpdate !== undefined
 359   }
 360
 361   isLive () {
 362     return !!(this.video?.isLive)
 363   }
 364
 365   isWaitingForLive () {
 366     return this.video?.state.id === VideoState.WAITING_FOR_LIVE
 367   }
 368
 369   isLiveEnded () {
 370     return this.video?.state.id === VideoState.LIVE_ENDED
 371   }
 372
 373   isVideoBlur (video: Video) {
 374     return video.isVideoNSFWForUser(this.user, this.serverConfig)
 375   }
 376
 377   isAutoPlayEnabled () {
 378     return (
 379       (this.user && this.user.autoPlayNextVideo) ||
 380       this.anonymousUser.autoPlayNextVideo
 381     )
 382   }
 383
 384   handleTimestampClicked (timestamp: number) {
 385     if (!this.player || this.video.isLive) return
 386
 387     this.player.currentTime(timestamp)
 388     scrollToTop()
 389   }
 390
 391   isPlaylistAutoPlayEnabled () {
 392     return (
 393       (this.user && this.user.autoPlayNextVideoPlaylist) ||
 394       this.anonymousUser.autoPlayNextVideoPlaylist
 395     )
 396   }
 397
 398   isChannelDisplayNameGeneric () {
 399     const genericChannelDisplayName = [
 400       `Main ${this.video.channel.ownerAccount.name} channel`,
 401       `Default ${this.video.channel.ownerAccount.name} channel`
 402     ]
 403
 404     return genericChannelDisplayName.includes(this.video.channel.displayName)
 405   }
 406
 407   onPlaylistVideoFound (videoId: string) {
 408     this.loadVideo(videoId)
 409   }
 410
 411   displayOtherVideosAsRow () {
 412     // Use the same value as in the SASS file
 413     return this.screenService.getWindowInnerWidth() <= 1100
 414   }
 415
 416   private loadVideo (videoId: string) {
 417     // Video did not change
 418     if (this.video && this.video.uuid === videoId) return
 419
 420     if (this.player) this.player.pause()
 421
 422     const videoObs = this.hooks.wrapObsFun(
 423       this.videoService.getVideo.bind(this.videoService),
 424       { videoId },
 425       'video-watch',
 426       'filter:api.video-watch.video.get.params',
 427       'filter:api.video-watch.video.get.result'
 428     )
 429
 430     // Video did change
 431     forkJoin([
 432       videoObs,
 433       this.videoCaptionService.listCaptions(videoId)
 434     ])
 435       .pipe(
 436         // If 400, 403 or 404, the video is private or blocked so redirect to 404
 437         catchError(err => {
 438           const errorBody = err.body as PeerTubeProblemDocument
 439
 440           if (errorBody.code === ServerErrorCode.DOES_NOT_RESPECT_FOLLOW_CONSTRAINTS && errorBody.originUrl) {
 441             const search = window.location.search
 442             let originUrl = errorBody.originUrl
 443             if (search) originUrl += search
 444
 445             this.confirmService.confirm(
 446               $localize`This video is not available on this instance. Do you want to be redirected on the origin instance: <a href="${originUrl}">${originUrl}</a>?`,
 447               $localize`Redirection`
 448             ).then(res => {
 449               if (res === false) {
 450                 return this.restExtractor.redirectTo404IfNotFound(err, 'video', [
 451                   HttpStatusCode.BAD_REQUEST_400,
 452                   HttpStatusCode.FORBIDDEN_403,
 453                   HttpStatusCode.NOT_FOUND_404
 454                 ])
 455               }
 456
 457               return window.location.href = originUrl
 458             })
 459           }
 460
 461           return this.restExtractor.redirectTo404IfNotFound(err, 'video', [
 462             HttpStatusCode.BAD_REQUEST_400,
 463             HttpStatusCode.FORBIDDEN_403,
 464             HttpStatusCode.NOT_FOUND_404
 465           ])
 466         })
 467       )
 468       .subscribe(([ video, captionsResult ]) => {
 469         const queryParams = this.route.snapshot.queryParams
 470
 471         const urlOptions = {
 472           resume: queryParams.resume,
 473
 474           startTime: queryParams.start,
 475           stopTime: queryParams.stop,
 476
 477           muted: queryParams.muted,
 478           loop: queryParams.loop,
 479           subtitle: queryParams.subtitle,
 480
 481           playerMode: queryParams.mode,
 482           peertubeLink: false
 483         }
 484
 485         this.onVideoFetched(video, captionsResult.data, urlOptions)
 486             .catch(err => this.handleError(err))
 487       })
 488   }
 489
 490   private loadPlaylist (playlistId: string) {
 491     // Playlist did not change
 492     if (this.playlist && this.playlist.uuid === playlistId) return
 493
 494     this.playlistService.getVideoPlaylist(playlistId)
 495       .pipe(
 496         // If 400 or 403, the video is private or blocked so redirect to 404
 497         catchError(err => this.restExtractor.redirectTo404IfNotFound(err, 'video', [
 498           HttpStatusCode.BAD_REQUEST_400,
 499           HttpStatusCode.FORBIDDEN_403,
 500           HttpStatusCode.NOT_FOUND_404
 501         ]))
 502       )
 503       .subscribe(playlist => {
 504         this.playlist = playlist
 505
 506         this.videoWatchPlaylist.loadPlaylistElements(playlist, !this.playlistPosition, this.playlistPosition)
 507       })
 508   }
 509
 510   private updateVideoDescription (description: string) {
 511     this.video.description = description
 512     this.setVideoDescriptionHTML()
 513       .catch(err => console.error(err))
 514   }
 515
 516   private async setVideoDescriptionHTML () {
 517     const html = await this.markdownService.textMarkdownToHTML(this.video.description)
 518     this.videoHTMLDescription = this.markdownService.processVideoTimestamps(html)
 519   }
 520
 521   private setVideoLikesBarTooltipText () {
 522     this.likesBarTooltipText = `${this.video.likes} likes / ${this.video.dislikes} dislikes`
 523   }
 524
 525   private handleError (err: any) {
 526     const errorMessage: string = typeof err === 'string' ? err : err.message
 527     if (!errorMessage) return
 528
 529     // Display a message in the video player instead of a notification
 530     if (errorMessage.indexOf('from xs param') !== -1) {
 531       this.flushPlayer()
 532       this.remoteServerDown = true
 533       this.changeDetector.detectChanges()
 534
 535       return
 536     }
 537
 538     this.notifier.error(errorMessage)
 539   }
 540
 541   private checkUserRating () {
 542     // Unlogged users do not have ratings
 543     if (this.isUserLoggedIn() === false) return
 544
 545     this.videoService.getUserVideoRating(this.video.id)
 546         .subscribe(
 547           ratingObject => {
 548             if (ratingObject) {
 549               this.userRating = ratingObject.rating
 550             }
 551           },
 552
 553           err => this.notifier.error(err.message)
 554         )
 555   }
 556
 557   private async onVideoFetched (
 558     video: VideoDetails,
 559     videoCaptions: VideoCaption[],
 560     urlOptions: URLOptions
 561   ) {
 562     this.subscribeToLiveEventsIfNeeded(this.video, video)
 563
 564     this.video = video
 565     this.videoCaptions = videoCaptions
 566
 567     // Re init attributes
 568     this.playerPlaceholderImgSrc = undefined
 569     this.descriptionLoading = false
 570     this.completeDescriptionShown = false
 571     this.completeVideoDescription = undefined
 572     this.remoteServerDown = false
 573     this.currentTime = undefined
 574
 575     if (this.isVideoBlur(this.video)) {
 576       const res = await this.confirmService.confirm(
 577         $localize`This video contains mature or explicit content. Are you sure you want to watch it?`,
 578         $localize`Mature or explicit content`
 579       )
 580       if (res === false) return this.location.back()
 581     }
 582
 583     this.buildPlayer(urlOptions)
 584       .catch(err => console.error('Cannot build the player', err))
 585
 586     this.setVideoDescriptionHTML()
 587     this.setVideoLikesBarTooltipText()
 588
 589     this.setOpenGraphTags()
 590     this.checkUserRating()
 591
 592     const hookOptions = {
 593       videojs,
 594       video: this.video,
 595       playlist: this.playlist
 596     }
 597     this.hooks.runAction('action:video-watch.video.loaded', 'video-watch', hookOptions)
 598   }
 599
 600   private async buildPlayer (urlOptions: URLOptions) {
 601     // Flush old player if needed
 602     this.flushPlayer()
 603
 604     const videoState = this.video.state.id
 605     if (videoState === VideoState.LIVE_ENDED || videoState === VideoState.WAITING_FOR_LIVE) {
 606       this.playerPlaceholderImgSrc = this.video.previewPath
 607       return
 608     }
 609
 610     // Build video element, because videojs removes it on dispose
 611     const playerElementWrapper = this.elementRef.nativeElement.querySelector('#videojs-wrapper')
 612     this.playerElement = document.createElement('video')
 613     this.playerElement.className = 'video-js vjs-peertube-skin'
 614     this.playerElement.setAttribute('playsinline', 'true')
 615     playerElementWrapper.appendChild(this.playerElement)
 616
 617     const params = {
 618       video: this.video,
 619       videoCaptions: this.videoCaptions,
 620       urlOptions,
 621       user: this.user
 622     }
 623     const { playerMode, playerOptions } = await this.hooks.wrapFun(
 624       this.buildPlayerManagerOptions.bind(this),
 625       params,
 626       'video-watch',
 627       'filter:internal.video-watch.player.build-options.params',
 628       'filter:internal.video-watch.player.build-options.result'
 629     )
 630
 631     this.zone.runOutsideAngular(async () => {
 632       this.player = await PeertubePlayerManager.initialize(playerMode, playerOptions, player => this.player = player)
 633
 634       this.player.on('customError', ({ err }: { err: any }) => this.handleError(err))
 635
 636       this.player.on('timeupdate', () => {
 637         this.currentTime = Math.floor(this.player.currentTime())
 638       })
 639
 640       /**
 641        * replaces this.player.one('ended')
 642        * 'condition()': true to make the upnext functionality trigger,
 643        *                false to disable the upnext functionality
 644        * go to the next video in 'condition()' if you don't want of the timer.
 645        * 'next': function triggered at the end of the timer.
 646        * 'suspended': function used at each clic of the timer checking if we need
 647        * to reset progress and wait until 'suspended' becomes truthy again.
 648        */
 649       this.player.upnext({
 650         timeout: 10000, // 10s
 651         headText: $localize`Up Next`,
 652         cancelText: $localize`Cancel`,
 653         suspendedText: $localize`Autoplay is suspended`,
 654         getTitle: () => this.nextVideoTitle,
 655         next: () => this.zone.run(() => this.autoplayNext()),
 656         condition: () => {
 657           if (this.playlist) {
 658             if (this.isPlaylistAutoPlayEnabled()) {
 659               // upnext will not trigger, and instead the next video will play immediately
 660               this.zone.run(() => this.videoWatchPlaylist.navigateToNextPlaylistVideo())
 661             }
 662           } else if (this.isAutoPlayEnabled()) {
 663             return true // upnext will trigger
 664           }
 665           return false // upnext will not trigger, and instead leave the video stopping
 666         },
 667         suspended: () => {
 668           return (
 669             !isXPercentInViewport(this.player.el(), 80) ||
 670             !document.getElementById('content').contains(document.activeElement)
 671           )
 672         }
 673       })
 674
 675       this.player.one('stopped', () => {
 676         if (this.playlist) {
 677           if (this.isPlaylistAutoPlayEnabled()) this.zone.run(() => this.videoWatchPlaylist.navigateToNextPlaylistVideo())
 678         }
 679       })
 680
 681       this.player.one('ended', () => {
 682         if (this.video.isLive) {
 683           this.zone.run(() => this.video.state.id = VideoState.LIVE_ENDED)
 684         }
 685       })
 686
 687       this.player.on('theaterChange', (_: any, enabled: boolean) => {
 688         this.zone.run(() => this.theaterEnabled = enabled)
 689       })
 690
 691       this.hooks.runAction('action:video-watch.player.loaded', 'video-watch', { player: this.player, videojs, video: this.video })
 692     })
 693   }
 694
 695   private autoplayNext () {
 696     if (this.playlist) {
 697       this.zone.run(() => this.videoWatchPlaylist.navigateToNextPlaylistVideo())
 698     } else if (this.nextVideoUuid) {
 699       this.router.navigate([ '/w', this.nextVideoUuid ])
 700     }
 701   }
 702
 703   private setRating (nextRating: UserVideoRateType) {
 704     const ratingMethods: { [id in UserVideoRateType]: (id: number) => Observable<any> } = {
 705       like: this.videoService.setVideoLike,
 706       dislike: this.videoService.setVideoDislike,
 707       none: this.videoService.unsetVideoLike
 708     }
 709
 710     ratingMethods[nextRating].call(this.videoService, this.video.id)
 711           .subscribe(
 712             () => {
 713               // Update the video like attribute
 714               this.updateVideoRating(this.userRating, nextRating)
 715               this.userRating = nextRating
 716             },
 717
 718             (err: { message: string }) => this.notifier.error(err.message)
 719           )
 720   }
 721
 722   private updateVideoRating (oldRating: UserVideoRateType, newRating: UserVideoRateType) {
 723     let likesToIncrement = 0
 724     let dislikesToIncrement = 0
 725
 726     if (oldRating) {
 727       if (oldRating === 'like') likesToIncrement--
 728       if (oldRating === 'dislike') dislikesToIncrement--
 729     }
 730
 731     if (newRating === 'like') likesToIncrement++
 732     if (newRating === 'dislike') dislikesToIncrement++
 733
 734     this.video.likes += likesToIncrement
 735     this.video.dislikes += dislikesToIncrement
 736
 737     this.video.buildLikeAndDislikePercents()
 738     this.setVideoLikesBarTooltipText()
 739   }
 740
 741   private setOpenGraphTags () {
 742     this.metaService.setTitle(this.video.name)
 743
 744     this.metaService.setTag('og:type', 'video')
 745
 746     this.metaService.setTag('og:title', this.video.name)
 747     this.metaService.setTag('name', this.video.name)
 748
 749     this.metaService.setTag('og:description', this.video.description)
 750     this.metaService.setTag('description', this.video.description)
 751
 752     this.metaService.setTag('og:image', this.video.previewPath)
 753
 754     this.metaService.setTag('og:duration', this.video.duration.toString())
 755
 756     this.metaService.setTag('og:site_name', 'PeerTube')
 757
 758     this.metaService.setTag('og:url', window.location.href)
 759     this.metaService.setTag('url', window.location.href)
 760   }
 761
 762   private isAutoplay () {
 763     // We'll jump to the thread id, so do not play the video
 764     if (this.route.snapshot.params['threadId']) return false
 765
 766     // Otherwise true by default
 767     if (!this.user) return true
 768
 769     // Be sure the autoPlay is set to false
 770     return this.user.autoPlayVideo !== false
 771   }
 772
 773   private flushPlayer () {
 774     // Remove player if it exists
 775     if (this.player) {
 776       try {
 777         this.player.dispose()
 778         this.player = undefined
 779       } catch (err) {
 780         console.error('Cannot dispose player.', err)
 781       }
 782     }
 783   }
 784
 785   private buildPlayerManagerOptions (params: {
 786     video: VideoDetails,
 787     videoCaptions: VideoCaption[],
 788     urlOptions: CustomizationOptions & { playerMode: PlayerMode },
 789     user?: AuthUser
 790   }) {
 791     const { video, videoCaptions, urlOptions, user } = params
 792     const getStartTime = () => {
 793       const byUrl = urlOptions.startTime !== undefined
 794       const byHistory = video.userHistory && (!this.playlist || urlOptions.resume !== undefined)
 795       const byLocalStorage = getStoredVideoWatchHistory(video.uuid)
 796
 797       if (byUrl) return timeToInt(urlOptions.startTime)
 798       if (byHistory) return video.userHistory.currentTime
 799       if (byLocalStorage) return byLocalStorage.duration
 800
 801       return 0
 802     }
 803
 804     let startTime = getStartTime()
 805
 806     // If we are at the end of the video, reset the timer
 807     if (video.duration - startTime <= 1) startTime = 0
 808
 809     const playerCaptions = videoCaptions.map(c => ({
 810       label: c.language.label,
 811       language: c.language.id,
 812       src: environment.apiUrl + c.captionPath
 813     }))
 814
 815     const options: PeertubePlayerManagerOptions = {
 816       common: {
 817         autoplay: this.isAutoplay(),
 818         nextVideo: () => this.zone.run(() => this.autoplayNext()),
 819
 820         playerElement: this.playerElement,
 821         onPlayerElementChange: (element: HTMLVideoElement) => this.playerElement = element,
 822
 823         videoDuration: video.duration,
 824         enableHotkeys: true,
 825         inactivityTimeout: 2500,
 826         poster: video.previewUrl,
 827
 828         startTime,
 829         stopTime: urlOptions.stopTime,
 830         controls: urlOptions.controls,
 831         muted: urlOptions.muted,
 832         loop: urlOptions.loop,
 833         subtitle: urlOptions.subtitle,
 834
 835         peertubeLink: urlOptions.peertubeLink,
 836
 837         theaterButton: true,
 838         captions: videoCaptions.length !== 0,
 839
 840         videoViewUrl: video.privacy.id !== VideoPrivacy.PRIVATE
 841           ? this.videoService.getVideoViewUrl(video.uuid)
 842           : null,
 843         embedUrl: video.embedUrl,
 844         embedTitle: video.name,
 845
 846         isLive: video.isLive,
 847
 848         language: this.localeId,
 849
 850         userWatching: user && user.videosHistoryEnabled === true ? {
 851           url: this.videoService.getUserWatchingVideoUrl(video.uuid),
 852           authorizationHeader: this.authService.getRequestHeaderValue()
 853         } : undefined,
 854
 855         serverUrl: environment.apiUrl,
 856
 857         videoCaptions: playerCaptions,
 858
 859         videoUUID: video.uuid
 860       },
 861
 862       webtorrent: {
 863         videoFiles: video.files
 864       },
 865
 866       pluginsManager: this.pluginService.getPluginsManager()
 867     }
 868
 869     // Only set this if we're in a playlist
 870     if (this.playlist) {
 871       options.common.previousVideo = () => {
 872         this.zone.run(() => this.videoWatchPlaylist.navigateToPreviousPlaylistVideo())
 873       }
 874     }
 875
 876     let mode: PlayerMode
 877
 878     if (urlOptions.playerMode) {
 879       if (urlOptions.playerMode === 'p2p-media-loader') mode = 'p2p-media-loader'
 880       else mode = 'webtorrent'
 881     } else {
 882       if (video.hasHlsPlaylist()) mode = 'p2p-media-loader'
 883       else mode = 'webtorrent'
 884     }
 885
 886     // p2p-media-loader needs TextEncoder, try to fallback on WebTorrent
 887     if (typeof TextEncoder === 'undefined') {
 888       mode = 'webtorrent'
 889     }
 890
 891     if (mode === 'p2p-media-loader') {
 892       const hlsPlaylist = video.getHlsPlaylist()
 893
 894       const p2pMediaLoader = {
 895         playlistUrl: hlsPlaylist.playlistUrl,
 896         segmentsSha256Url: hlsPlaylist.segmentsSha256Url,
 897         redundancyBaseUrls: hlsPlaylist.redundancies.map(r => r.baseUrl),
 898         trackerAnnounce: video.trackerUrls,
 899         videoFiles: hlsPlaylist.files
 900       } as P2PMediaLoaderOptions
 901
 902       Object.assign(options, { p2pMediaLoader })
 903     }
 904
 905     return { playerMode: mode, playerOptions: options }
 906   }
 907
 908   private async subscribeToLiveEventsIfNeeded (oldVideo: VideoDetails, newVideo: VideoDetails) {
 909     if (!this.liveVideosSub) {
 910       this.liveVideosSub = this.buildLiveEventsSubscription()
 911     }
 912
 913     if (oldVideo && oldVideo.id !== newVideo.id) {
 914       await this.peertubeSocket.unsubscribeLiveVideos(oldVideo.id)
 915     }
 916
 917     if (!newVideo.isLive) return
 918
 919     await this.peertubeSocket.subscribeToLiveVideosSocket(newVideo.id)
 920   }
 921
 922   private buildLiveEventsSubscription () {
 923     return this.peertubeSocket.getLiveVideosObservable()
 924       .subscribe(({ type, payload }) => {
 925         if (type === 'state-change') return this.handleLiveStateChange(payload.state)
 926         if (type === 'views-change') return this.handleLiveViewsChange(payload.views)
 927       })
 928   }
 929
 930   private handleLiveStateChange (newState: VideoState) {
 931     if (newState !== VideoState.PUBLISHED) return
 932
 933     const videoState = this.video.state.id
 934     if (videoState !== VideoState.WAITING_FOR_LIVE && videoState !== VideoState.LIVE_ENDED) return
 935
 936     console.log('Loading video after live update.')
 937
 938     const videoUUID = this.video.uuid
 939
 940     // Reset to refetch the video
 941     this.video = undefined
 942     this.loadVideo(videoUUID)
 943   }
 944
 945   private handleLiveViewsChange (newViews: number) {
 946     if (!this.video) {
 947       console.error('Cannot update video live views because video is no defined.')
 948       return
 949     }
 950
 951     console.log('Updating live views.')
 952
 953     this.video.views = newViews
 954   }
 955
 956   private initHotkeys () {
 957     this.hotkeys = [
 958       // These hotkeys are managed by the player
 959       new Hotkey('f', e => e, undefined, $localize`Enter/exit fullscreen (requires player focus)`),
 960       new Hotkey('space', e => e, undefined, $localize`Play/Pause the video (requires player focus)`),
 961       new Hotkey('m', e => e, undefined, $localize`Mute/unmute the video (requires player focus)`),
 962
 963       new Hotkey('0-9', e => e, undefined, $localize`Skip to a percentage of the video: 0 is 0% and 9 is 90% (requires player focus)`),
 964
 965       new Hotkey('up', e => e, undefined, $localize`Increase the volume (requires player focus)`),
 966       new Hotkey('down', e => e, undefined, $localize`Decrease the volume (requires player focus)`),
 967
 968       new Hotkey('right', e => e, undefined, $localize`Seek the video forward (requires player focus)`),
 969       new Hotkey('left', e => e, undefined, $localize`Seek the video backward (requires player focus)`),
 970
 971       new Hotkey('>', e => e, undefined, $localize`Increase playback rate (requires player focus)`),
 972       new Hotkey('<', e => e, undefined, $localize`Decrease playback rate (requires player focus)`),
 973
 974       new Hotkey('.', e => e, undefined, $localize`Navigate in the video frame by frame (requires player focus)`)
 975     ]
 976
 977     if (this.isUserLoggedIn()) {
 978       this.hotkeys = this.hotkeys.concat([
 979         new Hotkey('shift+l', () => {
 980           this.setLike()
 981           return false
 982         }, undefined, $localize`Like the video`),
 983
 984         new Hotkey('shift+d', () => {
 985           this.setDislike()
 986           return false
 987         }, undefined, $localize`Dislike the video`),
 988
 989         new Hotkey('shift+s', () => {
 990           this.subscribeButton.subscribed ? this.subscribeButton.unsubscribe() : this.subscribeButton.subscribe()
 991           return false
 992         }, undefined, $localize`Subscribe to the account`)
 993       ])
 994     }
 995
 996     this.hotkeysService.add(this.hotkeys)
 997   }
 998 }