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