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

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