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   ServerService,
  16   UserService
  17 } from '@app/core'
  18 import { HooksService } from '@app/core/plugins/hooks.service'
  19 import { RedirectService } from '@app/core/routing/redirect.service'
  20 import { isXPercentInViewport, scrollToTop } from '@app/helpers'
  21 import { Video, VideoCaptionService, VideoDetails, VideoService } from '@app/shared/shared-main'
  22 import { VideoShareComponent } from '@app/shared/shared-share-modal'
  23 import { SubscribeButtonComponent } from '@app/shared/shared-user-subscription'
  24 import { VideoActionsDisplayType, VideoDownloadComponent } from '@app/shared/shared-video-miniature'
  25 import { VideoPlaylist, VideoPlaylistService } from '@app/shared/shared-video-playlist'
  26 import { MetaService } from '@ngx-meta/core'
  27 import { peertubeLocalStorage } from '@root-helpers/peertube-web-storage'
  28 import { ServerConfig, ServerErrorCode, UserVideoRateType, VideoCaption, VideoPrivacy, VideoState } from '@shared/models'
  29 import { getStoredP2PEnabled, getStoredTheater } from '../../../assets/player/peertube-player-local-storage'
  30 import {
  31   CustomizationOptions,
  32   P2PMediaLoaderOptions,
  33   PeertubePlayerManager,
  34   PeertubePlayerManagerOptions,
  35   PlayerMode,
  36   videojs
  37 } from '../../../assets/player/peertube-player-manager'
  38 import { isWebRTCDisabled, timeToInt } from '../../../assets/player/utils'
  39 import { environment } from '../../../environments/environment'
  40 import { VideoSupportComponent } from './modal/video-support.component'
  41 import { VideoWatchPlaylistComponent } from './video-watch-playlist.component'
  42
  43 type URLOptions = CustomizationOptions & { playerMode: PlayerMode }
  44
  45 @Component({
  46   selector: 'my-video-watch',
  47   templateUrl: './video-watch.component.html',
  48   styleUrls: [ './video-watch.component.scss' ]
  49 })
  50 export class VideoWatchComponent implements OnInit, OnDestroy {
  51   private static LOCAL_STORAGE_PRIVACY_CONCERN_KEY = 'video-watch-privacy-concern'
  52
  53   @ViewChild('videoWatchPlaylist', { static: true }) videoWatchPlaylist: VideoWatchPlaylistComponent
  54   @ViewChild('videoShareModal') videoShareModal: VideoShareComponent
  55   @ViewChild('videoSupportModal') videoSupportModal: VideoSupportComponent
  56   @ViewChild('subscribeButton') subscribeButton: SubscribeButtonComponent
  57   @ViewChild('videoDownloadModal') videoDownloadModal: VideoDownloadComponent
  58
  59   player: any
  60   playerElement: HTMLVideoElement
  61   theaterEnabled = false
  62   userRating: UserVideoRateType = null
  63   descriptionLoading = false
  64
  65   video: VideoDetails = null
  66   videoCaptions: VideoCaption[] = []
  67
  68   playlistPosition: number
  69   playlist: VideoPlaylist = null
  70
  71   completeDescriptionShown = false
  72   completeVideoDescription: string
  73   shortVideoDescription: string
  74   videoHTMLDescription = ''
  75   likesBarTooltipText = ''
  76   hasAlreadyAcceptedPrivacyConcern = false
  77   remoteServerDown = false
  78   hotkeys: Hotkey[] = []
  79
  80   tooltipLike = ''
  81   tooltipDislike = ''
  82   tooltipSupport = ''
  83   tooltipSaveToPlaylist = ''
  84
  85   videoActionsOptions: VideoActionsDisplayType = {
  86     playlist: false,
  87     download: true,
  88     update: true,
  89     blacklist: true,
  90     delete: true,
  91     report: true,
  92     duplicate: true,
  93     mute: true,
  94     liveInfo: true
  95   }
  96
  97   private nextVideoUuid = ''
  98   private nextVideoTitle = ''
  99   private currentTime: number
 100   private paramsSub: Subscription
 101   private queryParamsSub: Subscription
 102   private configSub: Subscription
 103   private liveVideosSub: Subscription
 104
 105   private serverConfig: ServerConfig
 106
 107   constructor (
 108     private elementRef: ElementRef,
 109     private changeDetector: ChangeDetectorRef,
 110     private route: ActivatedRoute,
 111     private router: Router,
 112     private videoService: VideoService,
 113     private playlistService: VideoPlaylistService,
 114     private confirmService: ConfirmService,
 115     private metaService: MetaService,
 116     private authService: AuthService,
 117     private userService: UserService,
 118     private serverService: ServerService,
 119     private restExtractor: RestExtractor,
 120     private notifier: Notifier,
 121     private markdownService: MarkdownService,
 122     private zone: NgZone,
 123     private redirectService: RedirectService,
 124     private videoCaptionService: VideoCaptionService,
 125     private hotkeysService: HotkeysService,
 126     private hooks: HooksService,
 127     private peertubeSocket: PeerTubeSocket,
 128     private location: PlatformLocation,
 129     @Inject(LOCALE_ID) private localeId: string
 130   ) {
 131     this.tooltipLike = $localize`Like this video`
 132     this.tooltipDislike = $localize`Dislike this video`
 133     this.tooltipSupport = $localize`Support options for this video`
 134     this.tooltipSaveToPlaylist = $localize`Save to playlist`
 135   }
 136
 137   get user () {
 138     return this.authService.getUser()
 139   }
 140
 141   get anonymousUser () {
 142     return this.userService.getAnonymousUser()
 143   }
 144
 145   async ngOnInit () {
 146     PeertubePlayerManager.initState()
 147
 148     this.serverConfig = this.serverService.getTmpConfig()
 149
 150     this.configSub = this.serverService.getConfig()
 151         .subscribe(config => {
 152           this.serverConfig = config
 153
 154           if (
 155             isWebRTCDisabled() ||
 156             this.serverConfig.tracker.enabled === false ||
 157             getStoredP2PEnabled() === false ||
 158             peertubeLocalStorage.getItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY) === 'true'
 159           ) {
 160             this.hasAlreadyAcceptedPrivacyConcern = true
 161           }
 162         })
 163
 164     this.paramsSub = this.route.params.subscribe(routeParams => {
 165       const videoId = routeParams[ 'videoId' ]
 166       if (videoId) this.loadVideo(videoId)
 167
 168       const playlistId = routeParams[ 'playlistId' ]
 169       if (playlistId) this.loadPlaylist(playlistId)
 170     })
 171
 172     this.queryParamsSub = this.route.queryParams.subscribe(queryParams => {
 173       this.playlistPosition = queryParams[ 'playlistPosition' ]
 174       this.videoWatchPlaylist.updatePlaylistIndex(this.playlistPosition)
 175
 176       const start = queryParams[ 'start' ]
 177       if (this.player && start) this.player.currentTime(parseInt(start, 10))
 178     })
 179
 180     this.initHotkeys()
 181
 182     this.theaterEnabled = getStoredTheater()
 183
 184     this.hooks.runAction('action:video-watch.init', 'video-watch')
 185   }
 186
 187   ngOnDestroy () {
 188     this.flushPlayer()
 189
 190     // Unsubscribe subscriptions
 191     if (this.paramsSub) this.paramsSub.unsubscribe()
 192     if (this.queryParamsSub) this.queryParamsSub.unsubscribe()
 193     if (this.configSub) this.configSub.unsubscribe()
 194     if (this.liveVideosSub) this.liveVideosSub.unsubscribe()
 195
 196     // Unbind hotkeys
 197     this.hotkeysService.remove(this.hotkeys)
 198   }
 199
 200   setLike () {
 201     if (this.isUserLoggedIn() === false) return
 202
 203     // Already liked this video
 204     if (this.userRating === 'like') this.setRating('none')
 205     else this.setRating('like')
 206   }
 207
 208   setDislike () {
 209     if (this.isUserLoggedIn() === false) return
 210
 211     // Already disliked this video
 212     if (this.userRating === 'dislike') this.setRating('none')
 213     else this.setRating('dislike')
 214   }
 215
 216   getRatePopoverText () {
 217     if (this.isUserLoggedIn()) return undefined
 218
 219     return $localize`You need to be <a href="/login">logged in</a> to rate this video.`
 220   }
 221
 222   getExactNumberOfViews () {
 223     return (this.video.views >= 1000)
 224       ? `${this.video.views} ${this.video.isLive ? $localize`viewers` : $localize`views`}`
 225       : ''
 226   }
 227
 228   showMoreDescription () {
 229     if (this.completeVideoDescription === undefined) {
 230       return this.loadCompleteDescription()
 231     }
 232
 233     this.updateVideoDescription(this.completeVideoDescription)
 234     this.completeDescriptionShown = true
 235   }
 236
 237   showLessDescription () {
 238     this.updateVideoDescription(this.shortVideoDescription)
 239     this.completeDescriptionShown = false
 240   }
 241
 242   showDownloadModal () {
 243     this.videoDownloadModal.show(this.video, this.videoCaptions)
 244   }
 245
 246   isVideoDownloadable () {
 247     return this.video && this.video instanceof VideoDetails && this.video.downloadEnabled && !this.video.isLive
 248   }
 249
 250   loadCompleteDescription () {
 251     this.descriptionLoading = true
 252
 253     this.videoService.loadCompleteDescription(this.video.descriptionPath)
 254         .subscribe(
 255           description => {
 256             this.completeDescriptionShown = true
 257             this.descriptionLoading = false
 258
 259             this.shortVideoDescription = this.video.description
 260             this.completeVideoDescription = description
 261
 262             this.updateVideoDescription(this.completeVideoDescription)
 263           },
 264
 265           error => {
 266             this.descriptionLoading = false
 267             this.notifier.error(error.message)
 268           }
 269         )
 270   }
 271
 272   showSupportModal () {
 273     // Check video was playing before opening support modal
 274     const isVideoPlaying = this.isPlaying()
 275
 276     this.pausePlayer()
 277
 278     const modalRef = this.videoSupportModal.show()
 279
 280     modalRef.result.then(() => {
 281       if (isVideoPlaying) {
 282         this.resumePlayer()
 283       }
 284     })
 285   }
 286
 287   showShareModal () {
 288     this.pausePlayer()
 289
 290     this.videoShareModal.show(this.currentTime, this.videoWatchPlaylist.currentPlaylistPosition)
 291   }
 292
 293   isUserLoggedIn () {
 294     return this.authService.isLoggedIn()
 295   }
 296
 297   getVideoTags () {
 298     if (!this.video || Array.isArray(this.video.tags) === false) return []
 299
 300     return this.video.tags
 301   }
 302
 303   onRecommendations (videos: Video[]) {
 304     if (videos.length > 0) {
 305       // The recommended videos's first element should be the next video
 306       const video = videos[0]
 307       this.nextVideoUuid = video.uuid
 308       this.nextVideoTitle = video.name
 309     }
 310   }
 311
 312   onModalOpened () {
 313     this.pausePlayer()
 314   }
 315
 316   onVideoRemoved () {
 317     this.redirectService.redirectToHomepage()
 318   }
 319
 320   declinedPrivacyConcern () {
 321     peertubeLocalStorage.setItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY, 'false')
 322     this.hasAlreadyAcceptedPrivacyConcern = false
 323   }
 324
 325   acceptedPrivacyConcern () {
 326     peertubeLocalStorage.setItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY, 'true')
 327     this.hasAlreadyAcceptedPrivacyConcern = true
 328   }
 329
 330   isVideoToTranscode () {
 331     return this.video && this.video.state.id === VideoState.TO_TRANSCODE
 332   }
 333
 334   isVideoToImport () {
 335     return this.video && this.video.state.id === VideoState.TO_IMPORT
 336   }
 337
 338   hasVideoScheduledPublication () {
 339     return this.video && this.video.scheduledUpdate !== undefined
 340   }
 341
 342   isLive () {
 343     return !!(this.video?.isLive)
 344   }
 345
 346   isWaitingForLive () {
 347     return this.video?.state.id === VideoState.WAITING_FOR_LIVE
 348   }
 349
 350   isLiveEnded () {
 351     return this.video?.state.id === VideoState.LIVE_ENDED
 352   }
 353
 354   isVideoBlur (video: Video) {
 355     return video.isVideoNSFWForUser(this.user, this.serverConfig)
 356   }
 357
 358   isAutoPlayEnabled () {
 359     return (
 360       (this.user && this.user.autoPlayNextVideo) ||
 361       this.anonymousUser.autoPlayNextVideo
 362     )
 363   }
 364
 365   handleTimestampClicked (timestamp: number) {
 366     if (this.player) this.player.currentTime(timestamp)
 367     scrollToTop()
 368   }
 369
 370   isPlaylistAutoPlayEnabled () {
 371     return (
 372       (this.user && this.user.autoPlayNextVideoPlaylist) ||
 373       this.anonymousUser.autoPlayNextVideoPlaylist
 374     )
 375   }
 376
 377   isChannelDisplayNameGeneric () {
 378     const genericChannelDisplayName = [
 379       `Main ${this.video.channel.ownerAccount.name} channel`,
 380       `Default ${this.video.channel.ownerAccount.name} channel`
 381     ]
 382
 383     return genericChannelDisplayName.includes(this.video.channel.displayName)
 384   }
 385
 386   onPlaylistVideoFound (videoId: string) {
 387     this.loadVideo(videoId)
 388   }
 389
 390   private loadVideo (videoId: string) {
 391     // Video did not change
 392     if (this.video && this.video.uuid === videoId) return
 393
 394     if (this.player) this.player.pause()
 395
 396     const videoObs = this.hooks.wrapObsFun(
 397       this.videoService.getVideo.bind(this.videoService),
 398       { videoId },
 399       'video-watch',
 400       'filter:api.video-watch.video.get.params',
 401       'filter:api.video-watch.video.get.result'
 402     )
 403
 404     // Video did change
 405     forkJoin([
 406       videoObs,
 407       this.videoCaptionService.listCaptions(videoId)
 408     ])
 409       .pipe(
 410         // If 401, the video is private or blocked so redirect to 404
 411         catchError(err => {
 412           if (err.body.errorCode === ServerErrorCode.DOES_NOT_RESPECT_FOLLOW_CONSTRAINTS && err.body.originUrl) {
 413             const search = window.location.search
 414             let originUrl = err.body.originUrl
 415             if (search) originUrl += search
 416
 417             this.confirmService.confirm(
 418               $localize`This video is not available on this instance. Do you want to be redirected on the origin instance: <a href="${originUrl}">${originUrl}</a>?`,
 419               $localize`Redirection`
 420             ).then(res => {
 421               if (res === false) return this.restExtractor.redirectTo404IfNotFound(err, [ 400, 401, 403, 404 ])
 422
 423               return window.location.href = originUrl
 424             })
 425           }
 426
 427           return this.restExtractor.redirectTo404IfNotFound(err, [ 400, 401, 403, 404 ])
 428         })
 429       )
 430       .subscribe(([ video, captionsResult ]) => {
 431         const queryParams = this.route.snapshot.queryParams
 432
 433         const urlOptions = {
 434           resume: queryParams.resume,
 435
 436           startTime: queryParams.start,
 437           stopTime: queryParams.stop,
 438
 439           muted: queryParams.muted,
 440           loop: queryParams.loop,
 441           subtitle: queryParams.subtitle,
 442
 443           playerMode: queryParams.mode,
 444           peertubeLink: false
 445         }
 446
 447         this.onVideoFetched(video, captionsResult.data, urlOptions)
 448             .catch(err => this.handleError(err))
 449       })
 450   }
 451
 452   private loadPlaylist (playlistId: string) {
 453     // Playlist did not change
 454     if (this.playlist && this.playlist.uuid === playlistId) return
 455
 456     this.playlistService.getVideoPlaylist(playlistId)
 457       .pipe(
 458         // If 401, the video is private or blocked so redirect to 404
 459         catchError(err => this.restExtractor.redirectTo404IfNotFound(err, [ 400, 401, 403, 404 ]))
 460       )
 461       .subscribe(playlist => {
 462         this.playlist = playlist
 463
 464         this.videoWatchPlaylist.loadPlaylistElements(playlist, !this.playlistPosition, this.playlistPosition)
 465       })
 466   }
 467
 468   private updateVideoDescription (description: string) {
 469     this.video.description = description
 470     this.setVideoDescriptionHTML()
 471       .catch(err => console.error(err))
 472   }
 473
 474   private async setVideoDescriptionHTML () {
 475     const html = await this.markdownService.textMarkdownToHTML(this.video.description)
 476     this.videoHTMLDescription = await this.markdownService.processVideoTimestamps(html)
 477   }
 478
 479   private setVideoLikesBarTooltipText () {
 480     this.likesBarTooltipText = `${this.video.likes} likes / ${this.video.dislikes} dislikes`
 481   }
 482
 483   private handleError (err: any) {
 484     const errorMessage: string = typeof err === 'string' ? err : err.message
 485     if (!errorMessage) return
 486
 487     // Display a message in the video player instead of a notification
 488     if (errorMessage.indexOf('from xs param') !== -1) {
 489       this.flushPlayer()
 490       this.remoteServerDown = true
 491       this.changeDetector.detectChanges()
 492
 493       return
 494     }
 495
 496     this.notifier.error(errorMessage)
 497   }
 498
 499   private checkUserRating () {
 500     // Unlogged users do not have ratings
 501     if (this.isUserLoggedIn() === false) return
 502
 503     this.videoService.getUserVideoRating(this.video.id)
 504         .subscribe(
 505           ratingObject => {
 506             if (ratingObject) {
 507               this.userRating = ratingObject.rating
 508             }
 509           },
 510
 511           err => this.notifier.error(err.message)
 512         )
 513   }
 514
 515   private async onVideoFetched (
 516     video: VideoDetails,
 517     videoCaptions: VideoCaption[],
 518     urlOptions: URLOptions
 519   ) {
 520     this.subscribeToLiveEventsIfNeeded(this.video, video)
 521
 522     this.video = video
 523     this.videoCaptions = videoCaptions
 524
 525     // Re init attributes
 526     this.descriptionLoading = false
 527     this.completeDescriptionShown = false
 528     this.remoteServerDown = false
 529     this.currentTime = undefined
 530
 531     if (this.isVideoBlur(this.video)) {
 532       const res = await this.confirmService.confirm(
 533         $localize`This video contains mature or explicit content. Are you sure you want to watch it?`,
 534         $localize`Mature or explicit content`
 535       )
 536       if (res === false) return this.location.back()
 537     }
 538
 539     const videoState = this.video.state.id
 540     if (videoState === VideoState.LIVE_ENDED || videoState === VideoState.WAITING_FOR_LIVE) return
 541
 542     // Flush old player if needed
 543     this.flushPlayer()
 544
 545     // Build video element, because videojs removes it on dispose
 546     const playerElementWrapper = this.elementRef.nativeElement.querySelector('#videojs-wrapper')
 547     this.playerElement = document.createElement('video')
 548     this.playerElement.className = 'video-js vjs-peertube-skin'
 549     this.playerElement.setAttribute('playsinline', 'true')
 550     playerElementWrapper.appendChild(this.playerElement)
 551
 552     const params = {
 553       video: this.video,
 554       videoCaptions,
 555       urlOptions,
 556       user: this.user
 557     }
 558     const { playerMode, playerOptions } = await this.hooks.wrapFun(
 559       this.buildPlayerManagerOptions.bind(this),
 560       params,
 561       'video-watch',
 562       'filter:internal.video-watch.player.build-options.params',
 563       'filter:internal.video-watch.player.build-options.result'
 564     )
 565
 566     this.zone.runOutsideAngular(async () => {
 567       this.player = await PeertubePlayerManager.initialize(playerMode, playerOptions, player => this.player = player)
 568
 569       this.player.on('customError', ({ err }: { err: any }) => this.handleError(err))
 570
 571       this.player.on('timeupdate', () => {
 572         this.currentTime = Math.floor(this.player.currentTime())
 573       })
 574
 575       /**
 576        * replaces this.player.one('ended')
 577        * 'condition()': true to make the upnext functionality trigger,
 578        *                false to disable the upnext functionality
 579        * go to the next video in 'condition()' if you don't want of the timer.
 580        * 'next': function triggered at the end of the timer.
 581        * 'suspended': function used at each clic of the timer checking if we need
 582        * to reset progress and wait until 'suspended' becomes truthy again.
 583        */
 584       this.player.upnext({
 585         timeout: 10000, // 10s
 586         headText: $localize`Up Next`,
 587         cancelText: $localize`Cancel`,
 588         suspendedText: $localize`Autoplay is suspended`,
 589         getTitle: () => this.nextVideoTitle,
 590         next: () => this.zone.run(() => this.autoplayNext()),
 591         condition: () => {
 592           if (this.playlist) {
 593             if (this.isPlaylistAutoPlayEnabled()) {
 594               // upnext will not trigger, and instead the next video will play immediately
 595               this.zone.run(() => this.videoWatchPlaylist.navigateToNextPlaylistVideo())
 596             }
 597           } else if (this.isAutoPlayEnabled()) {
 598             return true // upnext will trigger
 599           }
 600           return false // upnext will not trigger, and instead leave the video stopping
 601         },
 602         suspended: () => {
 603           return (
 604             !isXPercentInViewport(this.player.el(), 80) ||
 605             !document.getElementById('content').contains(document.activeElement)
 606           )
 607         }
 608       })
 609
 610       this.player.one('stopped', () => {
 611         if (this.playlist) {
 612           if (this.isPlaylistAutoPlayEnabled()) this.zone.run(() => this.videoWatchPlaylist.navigateToNextPlaylistVideo())
 613         }
 614       })
 615
 616       this.player.on('theaterChange', (_: any, enabled: boolean) => {
 617         this.zone.run(() => this.theaterEnabled = enabled)
 618       })
 619
 620       this.hooks.runAction('action:video-watch.player.loaded', 'video-watch', { player: this.player, videojs, video: this.video })
 621     })
 622
 623     this.setVideoDescriptionHTML()
 624     this.setVideoLikesBarTooltipText()
 625
 626     this.setOpenGraphTags()
 627     this.checkUserRating()
 628
 629     this.hooks.runAction('action:video-watch.video.loaded', 'video-watch', { videojs })
 630   }
 631
 632   private autoplayNext () {
 633     if (this.playlist) {
 634       this.zone.run(() => this.videoWatchPlaylist.navigateToNextPlaylistVideo())
 635     } else if (this.nextVideoUuid) {
 636       this.router.navigate([ '/videos/watch', this.nextVideoUuid ])
 637     }
 638   }
 639
 640   private setRating (nextRating: UserVideoRateType) {
 641     const ratingMethods: { [id in UserVideoRateType]: (id: number) => Observable<any> } = {
 642       like: this.videoService.setVideoLike,
 643       dislike: this.videoService.setVideoDislike,
 644       none: this.videoService.unsetVideoLike
 645     }
 646
 647     ratingMethods[nextRating].call(this.videoService, this.video.id)
 648           .subscribe(
 649             () => {
 650               // Update the video like attribute
 651               this.updateVideoRating(this.userRating, nextRating)
 652               this.userRating = nextRating
 653             },
 654
 655             (err: { message: string }) => this.notifier.error(err.message)
 656           )
 657   }
 658
 659   private updateVideoRating (oldRating: UserVideoRateType, newRating: UserVideoRateType) {
 660     let likesToIncrement = 0
 661     let dislikesToIncrement = 0
 662
 663     if (oldRating) {
 664       if (oldRating === 'like') likesToIncrement--
 665       if (oldRating === 'dislike') dislikesToIncrement--
 666     }
 667
 668     if (newRating === 'like') likesToIncrement++
 669     if (newRating === 'dislike') dislikesToIncrement++
 670
 671     this.video.likes += likesToIncrement
 672     this.video.dislikes += dislikesToIncrement
 673
 674     this.video.buildLikeAndDislikePercents()
 675     this.setVideoLikesBarTooltipText()
 676   }
 677
 678   private setOpenGraphTags () {
 679     this.metaService.setTitle(this.video.name)
 680
 681     this.metaService.setTag('og:type', 'video')
 682
 683     this.metaService.setTag('og:title', this.video.name)
 684     this.metaService.setTag('name', this.video.name)
 685
 686     this.metaService.setTag('og:description', this.video.description)
 687     this.metaService.setTag('description', this.video.description)
 688
 689     this.metaService.setTag('og:image', this.video.previewPath)
 690
 691     this.metaService.setTag('og:duration', this.video.duration.toString())
 692
 693     this.metaService.setTag('og:site_name', 'PeerTube')
 694
 695     this.metaService.setTag('og:url', window.location.href)
 696     this.metaService.setTag('url', window.location.href)
 697   }
 698
 699   private isAutoplay () {
 700     // We'll jump to the thread id, so do not play the video
 701     if (this.route.snapshot.params['threadId']) return false
 702
 703     // Otherwise true by default
 704     if (!this.user) return true
 705
 706     // Be sure the autoPlay is set to false
 707     return this.user.autoPlayVideo !== false
 708   }
 709
 710   private flushPlayer () {
 711     // Remove player if it exists
 712     if (this.player) {
 713       try {
 714         this.player.dispose()
 715         this.player = undefined
 716       } catch (err) {
 717         console.error('Cannot dispose player.', err)
 718       }
 719     }
 720   }
 721
 722   private buildPlayerManagerOptions (params: {
 723     video: VideoDetails,
 724     videoCaptions: VideoCaption[],
 725     urlOptions: CustomizationOptions & { playerMode: PlayerMode },
 726     user?: AuthUser
 727   }) {
 728     const { video, videoCaptions, urlOptions, user } = params
 729     const getStartTime = () => {
 730       const byUrl = urlOptions.startTime !== undefined
 731       const byHistory = video.userHistory && (!this.playlist || urlOptions.resume !== undefined)
 732
 733       if (byUrl) return timeToInt(urlOptions.startTime)
 734       if (byHistory) return video.userHistory.currentTime
 735
 736       return 0
 737     }
 738
 739     let startTime = getStartTime()
 740
 741     // If we are at the end of the video, reset the timer
 742     if (video.duration - startTime <= 1) startTime = 0
 743
 744     const playerCaptions = videoCaptions.map(c => ({
 745       label: c.language.label,
 746       language: c.language.id,
 747       src: environment.apiUrl + c.captionPath
 748     }))
 749
 750     const options: PeertubePlayerManagerOptions = {
 751       common: {
 752         autoplay: this.isAutoplay(),
 753         nextVideo: () => this.zone.run(() => this.autoplayNext()),
 754
 755         playerElement: this.playerElement,
 756         onPlayerElementChange: (element: HTMLVideoElement) => this.playerElement = element,
 757
 758         videoDuration: video.duration,
 759         enableHotkeys: true,
 760         inactivityTimeout: 2500,
 761         poster: video.previewUrl,
 762
 763         startTime,
 764         stopTime: urlOptions.stopTime,
 765         controls: urlOptions.controls,
 766         muted: urlOptions.muted,
 767         loop: urlOptions.loop,
 768         subtitle: urlOptions.subtitle,
 769
 770         peertubeLink: urlOptions.peertubeLink,
 771
 772         theaterButton: true,
 773         captions: videoCaptions.length !== 0,
 774
 775         videoViewUrl: video.privacy.id !== VideoPrivacy.PRIVATE
 776           ? this.videoService.getVideoViewUrl(video.uuid)
 777           : null,
 778         embedUrl: video.embedUrl,
 779
 780         isLive: video.isLive,
 781
 782         language: this.localeId,
 783
 784         userWatching: user && user.videosHistoryEnabled === true ? {
 785           url: this.videoService.getUserWatchingVideoUrl(video.uuid),
 786           authorizationHeader: this.authService.getRequestHeaderValue()
 787         } : undefined,
 788
 789         serverUrl: environment.apiUrl,
 790
 791         videoCaptions: playerCaptions
 792       },
 793
 794       webtorrent: {
 795         videoFiles: video.files
 796       }
 797     }
 798
 799     let mode: PlayerMode
 800
 801     if (urlOptions.playerMode) {
 802       if (urlOptions.playerMode === 'p2p-media-loader') mode = 'p2p-media-loader'
 803       else mode = 'webtorrent'
 804     } else {
 805       if (video.hasHlsPlaylist()) mode = 'p2p-media-loader'
 806       else mode = 'webtorrent'
 807     }
 808
 809     // p2p-media-loader needs TextEncoder, try to fallback on WebTorrent
 810     if (typeof TextEncoder === 'undefined') {
 811       mode = 'webtorrent'
 812     }
 813
 814     if (mode === 'p2p-media-loader') {
 815       const hlsPlaylist = video.getHlsPlaylist()
 816
 817       const p2pMediaLoader = {
 818         playlistUrl: hlsPlaylist.playlistUrl,
 819         segmentsSha256Url: hlsPlaylist.segmentsSha256Url,
 820         redundancyBaseUrls: hlsPlaylist.redundancies.map(r => r.baseUrl),
 821         trackerAnnounce: video.trackerUrls,
 822         videoFiles: hlsPlaylist.files
 823       } as P2PMediaLoaderOptions
 824
 825       Object.assign(options, { p2pMediaLoader })
 826     }
 827
 828     return { playerMode: mode, playerOptions: options }
 829   }
 830
 831   private pausePlayer () {
 832     if (!this.player) return
 833
 834     this.player.pause()
 835   }
 836
 837   private resumePlayer () {
 838     if (!this.player) return
 839
 840     this.player.play()
 841   }
 842
 843   private isPlaying () {
 844     if (!this.player) return
 845
 846     return !this.player.paused()
 847   }
 848
 849   private async subscribeToLiveEventsIfNeeded (oldVideo: VideoDetails, newVideo: VideoDetails) {
 850     if (!this.liveVideosSub) {
 851       this.liveVideosSub = this.peertubeSocket.getLiveVideosObservable()
 852         .subscribe(({ payload }) => {
 853           if (payload.state !== VideoState.PUBLISHED || this.video.state.id !== VideoState.WAITING_FOR_LIVE) return
 854
 855           const videoUUID = this.video.uuid
 856
 857           // Reset to refetch the video
 858           this.video = undefined
 859           this.loadVideo(videoUUID)
 860         })
 861     }
 862
 863     if (oldVideo && oldVideo.id !== newVideo.id) {
 864       await this.peertubeSocket.unsubscribeLiveVideos(oldVideo.id)
 865     }
 866
 867     if (!newVideo.isLive) return
 868
 869     await this.peertubeSocket.subscribeToLiveVideosSocket(newVideo.id)
 870   }
 871
 872   private initHotkeys () {
 873     this.hotkeys = [
 874       // These hotkeys are managed by the player
 875       new Hotkey('f', e => e, undefined, $localize`Enter/exit fullscreen (requires player focus)`),
 876       new Hotkey('space', e => e, undefined, $localize`Play/Pause the video (requires player focus)`),
 877       new Hotkey('m', e => e, undefined, $localize`Mute/unmute the video (requires player focus)`),
 878
 879       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)`),
 880
 881       new Hotkey('up', e => e, undefined, $localize`Increase the volume (requires player focus)`),
 882       new Hotkey('down', e => e, undefined, $localize`Decrease the volume (requires player focus)`),
 883
 884       new Hotkey('right', e => e, undefined, $localize`Seek the video forward (requires player focus)`),
 885       new Hotkey('left', e => e, undefined, $localize`Seek the video backward (requires player focus)`),
 886
 887       new Hotkey('>', e => e, undefined, $localize`Increase playback rate (requires player focus)`),
 888       new Hotkey('<', e => e, undefined, $localize`Decrease playback rate (requires player focus)`),
 889
 890       new Hotkey('.', e => e, undefined, $localize`Navigate in the video frame by frame (requires player focus)`)
 891     ]
 892
 893     if (this.isUserLoggedIn()) {
 894       this.hotkeys = this.hotkeys.concat([
 895         new Hotkey('shift+l', () => {
 896           this.setLike()
 897           return false
 898         }, undefined, $localize`Like the video`),
 899
 900         new Hotkey('shift+d', () => {
 901           this.setDislike()
 902           return false
 903         }, undefined, $localize`Dislike the video`),
 904
 905         new Hotkey('shift+s', () => {
 906           this.subscribeButton.subscribed ? this.subscribeButton.unsubscribe() : this.subscribeButton.subscribe()
 907           return false
 908         }, undefined, $localize`Subscribe to the account`)
 909       ])
 910     }
 911
 912     this.hotkeysService.add(this.hotkeys)
 913   }
 914 }