import { Hotkey, HotkeysService } from 'angular2-hotkeys' import { forkJoin, Observable, Subscription } from 'rxjs' import { catchError } from 'rxjs/operators' import { PlatformLocation } from '@angular/common' import { ChangeDetectorRef, Component, ElementRef, Inject, LOCALE_ID, NgZone, OnDestroy, OnInit, ViewChild } from '@angular/core' import { ActivatedRoute, Router } from '@angular/router' import { AuthService, AuthUser, ConfirmService, MarkdownService, Notifier, PeerTubeSocket, RestExtractor, ServerService, UserService } from '@app/core' import { HooksService } from '@app/core/plugins/hooks.service' import { RedirectService } from '@app/core/routing/redirect.service' import { isXPercentInViewport, scrollToTop } from '@app/helpers' import { Video, VideoCaptionService, VideoDetails, VideoService } from '@app/shared/shared-main' import { VideoShareComponent } from '@app/shared/shared-share-modal' import { SubscribeButtonComponent } from '@app/shared/shared-user-subscription' import { VideoActionsDisplayType, VideoDownloadComponent } from '@app/shared/shared-video-miniature' import { VideoPlaylist, VideoPlaylistService } from '@app/shared/shared-video-playlist' import { MetaService } from '@ngx-meta/core' import { peertubeLocalStorage } from '@root-helpers/peertube-web-storage' import { ServerConfig, ServerErrorCode, UserVideoRateType, VideoCaption, VideoPrivacy, VideoState } from '@shared/models' import { getStoredP2PEnabled, getStoredTheater } from '../../../assets/player/peertube-player-local-storage' import { CustomizationOptions, P2PMediaLoaderOptions, PeertubePlayerManager, PeertubePlayerManagerOptions, PlayerMode, videojs } from '../../../assets/player/peertube-player-manager' import { isWebRTCDisabled, timeToInt } from '../../../assets/player/utils' import { environment } from '../../../environments/environment' import { VideoSupportComponent } from './modal/video-support.component' import { VideoWatchPlaylistComponent } from './video-watch-playlist.component' type URLOptions = CustomizationOptions & { playerMode: PlayerMode } @Component({ selector: 'my-video-watch', templateUrl: './video-watch.component.html', styleUrls: [ './video-watch.component.scss' ] }) export class VideoWatchComponent implements OnInit, OnDestroy { private static LOCAL_STORAGE_PRIVACY_CONCERN_KEY = 'video-watch-privacy-concern' @ViewChild('videoWatchPlaylist', { static: true }) videoWatchPlaylist: VideoWatchPlaylistComponent @ViewChild('videoShareModal') videoShareModal: VideoShareComponent @ViewChild('videoSupportModal') videoSupportModal: VideoSupportComponent @ViewChild('subscribeButton') subscribeButton: SubscribeButtonComponent @ViewChild('videoDownloadModal') videoDownloadModal: VideoDownloadComponent player: any playerElement: HTMLVideoElement theaterEnabled = false userRating: UserVideoRateType = null descriptionLoading = false video: VideoDetails = null videoCaptions: VideoCaption[] = [] playlistPosition: number playlist: VideoPlaylist = null completeDescriptionShown = false completeVideoDescription: string shortVideoDescription: string videoHTMLDescription = '' likesBarTooltipText = '' hasAlreadyAcceptedPrivacyConcern = false remoteServerDown = false hotkeys: Hotkey[] = [] tooltipLike = '' tooltipDislike = '' tooltipSupport = '' tooltipSaveToPlaylist = '' videoActionsOptions: VideoActionsDisplayType = { playlist: false, download: true, update: true, blacklist: true, delete: true, report: true, duplicate: true, mute: true, liveInfo: true } private nextVideoUuid = '' private nextVideoTitle = '' private currentTime: number private paramsSub: Subscription private queryParamsSub: Subscription private configSub: Subscription private liveVideosSub: Subscription private serverConfig: ServerConfig constructor ( private elementRef: ElementRef, private changeDetector: ChangeDetectorRef, private route: ActivatedRoute, private router: Router, private videoService: VideoService, private playlistService: VideoPlaylistService, private confirmService: ConfirmService, private metaService: MetaService, private authService: AuthService, private userService: UserService, private serverService: ServerService, private restExtractor: RestExtractor, private notifier: Notifier, private markdownService: MarkdownService, private zone: NgZone, private redirectService: RedirectService, private videoCaptionService: VideoCaptionService, private hotkeysService: HotkeysService, private hooks: HooksService, private peertubeSocket: PeerTubeSocket, private location: PlatformLocation, @Inject(LOCALE_ID) private localeId: string ) { this.tooltipLike = $localize`Like this video` this.tooltipDislike = $localize`Dislike this video` this.tooltipSupport = $localize`Support options for this video` this.tooltipSaveToPlaylist = $localize`Save to playlist` } get user () { return this.authService.getUser() } get anonymousUser () { return this.userService.getAnonymousUser() } async ngOnInit () { PeertubePlayerManager.initState() this.serverConfig = this.serverService.getTmpConfig() this.configSub = this.serverService.getConfig() .subscribe(config => { this.serverConfig = config if ( isWebRTCDisabled() || this.serverConfig.tracker.enabled === false || getStoredP2PEnabled() === false || peertubeLocalStorage.getItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY) === 'true' ) { this.hasAlreadyAcceptedPrivacyConcern = true } }) this.paramsSub = this.route.params.subscribe(routeParams => { const videoId = routeParams[ 'videoId' ] if (videoId) this.loadVideo(videoId) const playlistId = routeParams[ 'playlistId' ] if (playlistId) this.loadPlaylist(playlistId) }) this.queryParamsSub = this.route.queryParams.subscribe(queryParams => { this.playlistPosition = queryParams[ 'playlistPosition' ] this.videoWatchPlaylist.updatePlaylistIndex(this.playlistPosition) const start = queryParams[ 'start' ] if (this.player && start) this.player.currentTime(parseInt(start, 10)) }) this.initHotkeys() this.theaterEnabled = getStoredTheater() this.hooks.runAction('action:video-watch.init', 'video-watch') } ngOnDestroy () { this.flushPlayer() // Unsubscribe subscriptions if (this.paramsSub) this.paramsSub.unsubscribe() if (this.queryParamsSub) this.queryParamsSub.unsubscribe() if (this.configSub) this.configSub.unsubscribe() if (this.liveVideosSub) this.liveVideosSub.unsubscribe() // Unbind hotkeys this.hotkeysService.remove(this.hotkeys) } setLike () { if (this.isUserLoggedIn() === false) return // Already liked this video if (this.userRating === 'like') this.setRating('none') else this.setRating('like') } setDislike () { if (this.isUserLoggedIn() === false) return // Already disliked this video if (this.userRating === 'dislike') this.setRating('none') else this.setRating('dislike') } getRatePopoverText () { if (this.isUserLoggedIn()) return undefined return $localize`You need to be logged in to rate this video.` } showMoreDescription () { if (this.completeVideoDescription === undefined) { return this.loadCompleteDescription() } this.updateVideoDescription(this.completeVideoDescription) this.completeDescriptionShown = true } showLessDescription () { this.updateVideoDescription(this.shortVideoDescription) this.completeDescriptionShown = false } showDownloadModal () { this.videoDownloadModal.show(this.video, this.videoCaptions) } isVideoDownloadable () { return this.video && this.video instanceof VideoDetails && this.video.downloadEnabled && !this.video.isLive } loadCompleteDescription () { this.descriptionLoading = true this.videoService.loadCompleteDescription(this.video.descriptionPath) .subscribe( description => { this.completeDescriptionShown = true this.descriptionLoading = false this.shortVideoDescription = this.video.description this.completeVideoDescription = description this.updateVideoDescription(this.completeVideoDescription) }, error => { this.descriptionLoading = false this.notifier.error(error.message) } ) } showSupportModal () { // Check video was playing before opening support modal const isVideoPlaying = this.isPlaying() this.pausePlayer() const modalRef = this.videoSupportModal.show() modalRef.result.then(() => { if (isVideoPlaying) { this.resumePlayer() } }) } showShareModal () { this.pausePlayer() this.videoShareModal.show(this.currentTime, this.videoWatchPlaylist.currentPlaylistPosition) } isUserLoggedIn () { return this.authService.isLoggedIn() } getVideoTags () { if (!this.video || Array.isArray(this.video.tags) === false) return [] return this.video.tags } onRecommendations (videos: Video[]) { if (videos.length > 0) { // The recommended videos's first element should be the next video const video = videos[0] this.nextVideoUuid = video.uuid this.nextVideoTitle = video.name } } onModalOpened () { this.pausePlayer() } onVideoRemoved () { this.redirectService.redirectToHomepage() } declinedPrivacyConcern () { peertubeLocalStorage.setItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY, 'false') this.hasAlreadyAcceptedPrivacyConcern = false } acceptedPrivacyConcern () { peertubeLocalStorage.setItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY, 'true') this.hasAlreadyAcceptedPrivacyConcern = true } isVideoToTranscode () { return this.video && this.video.state.id === VideoState.TO_TRANSCODE } isVideoToImport () { return this.video && this.video.state.id === VideoState.TO_IMPORT } hasVideoScheduledPublication () { return this.video && this.video.scheduledUpdate !== undefined } isLive () { return !!(this.video?.isLive) } isWaitingForLive () { return this.video?.state.id === VideoState.WAITING_FOR_LIVE } isLiveEnded () { return this.video?.state.id === VideoState.LIVE_ENDED } isVideoBlur (video: Video) { return video.isVideoNSFWForUser(this.user, this.serverConfig) } isAutoPlayEnabled () { return ( (this.user && this.user.autoPlayNextVideo) || this.anonymousUser.autoPlayNextVideo ) } handleTimestampClicked (timestamp: number) { if (this.player) this.player.currentTime(timestamp) scrollToTop() } isPlaylistAutoPlayEnabled () { return ( (this.user && this.user.autoPlayNextVideoPlaylist) || this.anonymousUser.autoPlayNextVideoPlaylist ) } isChannelDisplayNameGeneric () { const genericChannelDisplayName = [ `Main ${this.video.channel.ownerAccount.name} channel`, `Default ${this.video.channel.ownerAccount.name} channel` ] return genericChannelDisplayName.includes(this.video.channel.displayName) } onPlaylistVideoFound (videoId: string) { this.loadVideo(videoId) } private loadVideo (videoId: string) { // Video did not change if (this.video && this.video.uuid === videoId) return if (this.player) this.player.pause() const videoObs = this.hooks.wrapObsFun( this.videoService.getVideo.bind(this.videoService), { videoId }, 'video-watch', 'filter:api.video-watch.video.get.params', 'filter:api.video-watch.video.get.result' ) // Video did change forkJoin([ videoObs, this.videoCaptionService.listCaptions(videoId) ]) .pipe( // If 401, the video is private or blocked so redirect to 404 catchError(err => { if (err.body.errorCode === ServerErrorCode.DOES_NOT_RESPECT_FOLLOW_CONSTRAINTS && err.body.originUrl) { const search = window.location.search let originUrl = err.body.originUrl if (search) originUrl += search this.confirmService.confirm( $localize`This video is not available on this instance. Do you want to be redirected on the origin instance: ${originUrl}?`, $localize`Redirection` ).then(res => { if (res === false) return this.restExtractor.redirectTo404IfNotFound(err, [ 400, 401, 403, 404 ]) return window.location.href = originUrl }) } return this.restExtractor.redirectTo404IfNotFound(err, [ 400, 401, 403, 404 ]) }) ) .subscribe(([ video, captionsResult ]) => { const queryParams = this.route.snapshot.queryParams const urlOptions = { resume: queryParams.resume, startTime: queryParams.start, stopTime: queryParams.stop, muted: queryParams.muted, loop: queryParams.loop, subtitle: queryParams.subtitle, playerMode: queryParams.mode, peertubeLink: false } this.onVideoFetched(video, captionsResult.data, urlOptions) .catch(err => this.handleError(err)) }) } private loadPlaylist (playlistId: string) { // Playlist did not change if (this.playlist && this.playlist.uuid === playlistId) return this.playlistService.getVideoPlaylist(playlistId) .pipe( // If 401, the video is private or blocked so redirect to 404 catchError(err => this.restExtractor.redirectTo404IfNotFound(err, [ 400, 401, 403, 404 ])) ) .subscribe(playlist => { this.playlist = playlist this.videoWatchPlaylist.loadPlaylistElements(playlist, !this.playlistPosition, this.playlistPosition) }) } private updateVideoDescription (description: string) { this.video.description = description this.setVideoDescriptionHTML() .catch(err => console.error(err)) } private async setVideoDescriptionHTML () { const html = await this.markdownService.textMarkdownToHTML(this.video.description) this.videoHTMLDescription = await this.markdownService.processVideoTimestamps(html) } private setVideoLikesBarTooltipText () { this.likesBarTooltipText = `${this.video.likes} likes / ${this.video.dislikes} dislikes` } private handleError (err: any) { const errorMessage: string = typeof err === 'string' ? err : err.message if (!errorMessage) return // Display a message in the video player instead of a notification if (errorMessage.indexOf('from xs param') !== -1) { this.flushPlayer() this.remoteServerDown = true this.changeDetector.detectChanges() return } this.notifier.error(errorMessage) } private checkUserRating () { // Unlogged users do not have ratings if (this.isUserLoggedIn() === false) return this.videoService.getUserVideoRating(this.video.id) .subscribe( ratingObject => { if (ratingObject) { this.userRating = ratingObject.rating } }, err => this.notifier.error(err.message) ) } private async onVideoFetched ( video: VideoDetails, videoCaptions: VideoCaption[], urlOptions: URLOptions ) { this.subscribeToLiveEventsIfNeeded(this.video, video) this.video = video this.videoCaptions = videoCaptions // Re init attributes this.descriptionLoading = false this.completeDescriptionShown = false this.remoteServerDown = false this.currentTime = undefined if (this.isVideoBlur(this.video)) { const res = await this.confirmService.confirm( $localize`This video contains mature or explicit content. Are you sure you want to watch it?`, $localize`Mature or explicit content` ) if (res === false) return this.location.back() } const videoState = this.video.state.id if (videoState === VideoState.LIVE_ENDED || videoState === VideoState.WAITING_FOR_LIVE) return // Flush old player if needed this.flushPlayer() // Build video element, because videojs removes it on dispose const playerElementWrapper = this.elementRef.nativeElement.querySelector('#videojs-wrapper') this.playerElement = document.createElement('video') this.playerElement.className = 'video-js vjs-peertube-skin' this.playerElement.setAttribute('playsinline', 'true') playerElementWrapper.appendChild(this.playerElement) const params = { video: this.video, videoCaptions, urlOptions, user: this.user } const { playerMode, playerOptions } = await this.hooks.wrapFun( this.buildPlayerManagerOptions.bind(this), params, 'video-watch', 'filter:internal.video-watch.player.build-options.params', 'filter:internal.video-watch.player.build-options.result' ) this.zone.runOutsideAngular(async () => { this.player = await PeertubePlayerManager.initialize(playerMode, playerOptions, player => this.player = player) this.player.on('customError', ({ err }: { err: any }) => this.handleError(err)) this.player.on('timeupdate', () => { this.currentTime = Math.floor(this.player.currentTime()) }) /** * replaces this.player.one('ended') * 'condition()': true to make the upnext functionality trigger, * false to disable the upnext functionality * go to the next video in 'condition()' if you don't want of the timer. * 'next': function triggered at the end of the timer. * 'suspended': function used at each clic of the timer checking if we need * to reset progress and wait until 'suspended' becomes truthy again. */ this.player.upnext({ timeout: 10000, // 10s headText: $localize`Up Next`, cancelText: $localize`Cancel`, suspendedText: $localize`Autoplay is suspended`, getTitle: () => this.nextVideoTitle, next: () => this.zone.run(() => this.autoplayNext()), condition: () => { if (this.playlist) { if (this.isPlaylistAutoPlayEnabled()) { // upnext will not trigger, and instead the next video will play immediately this.zone.run(() => this.videoWatchPlaylist.navigateToNextPlaylistVideo()) } } else if (this.isAutoPlayEnabled()) { return true // upnext will trigger } return false // upnext will not trigger, and instead leave the video stopping }, suspended: () => { return ( !isXPercentInViewport(this.player.el(), 80) || !document.getElementById('content').contains(document.activeElement) ) } }) this.player.one('stopped', () => { if (this.playlist) { if (this.isPlaylistAutoPlayEnabled()) this.zone.run(() => this.videoWatchPlaylist.navigateToNextPlaylistVideo()) } }) this.player.on('theaterChange', (_: any, enabled: boolean) => { this.zone.run(() => this.theaterEnabled = enabled) }) this.hooks.runAction('action:video-watch.player.loaded', 'video-watch', { player: this.player, videojs, video: this.video }) }) this.setVideoDescriptionHTML() this.setVideoLikesBarTooltipText() this.setOpenGraphTags() this.checkUserRating() this.hooks.runAction('action:video-watch.video.loaded', 'video-watch', { videojs }) } private autoplayNext () { if (this.playlist) { this.zone.run(() => this.videoWatchPlaylist.navigateToNextPlaylistVideo()) } else if (this.nextVideoUuid) { this.router.navigate([ '/videos/watch', this.nextVideoUuid ]) } } private setRating (nextRating: UserVideoRateType) { const ratingMethods: { [id in UserVideoRateType]: (id: number) => Observable } = { like: this.videoService.setVideoLike, dislike: this.videoService.setVideoDislike, none: this.videoService.unsetVideoLike } ratingMethods[nextRating].call(this.videoService, this.video.id) .subscribe( () => { // Update the video like attribute this.updateVideoRating(this.userRating, nextRating) this.userRating = nextRating }, (err: { message: string }) => this.notifier.error(err.message) ) } private updateVideoRating (oldRating: UserVideoRateType, newRating: UserVideoRateType) { let likesToIncrement = 0 let dislikesToIncrement = 0 if (oldRating) { if (oldRating === 'like') likesToIncrement-- if (oldRating === 'dislike') dislikesToIncrement-- } if (newRating === 'like') likesToIncrement++ if (newRating === 'dislike') dislikesToIncrement++ this.video.likes += likesToIncrement this.video.dislikes += dislikesToIncrement this.video.buildLikeAndDislikePercents() this.setVideoLikesBarTooltipText() } private setOpenGraphTags () { this.metaService.setTitle(this.video.name) this.metaService.setTag('og:type', 'video') this.metaService.setTag('og:title', this.video.name) this.metaService.setTag('name', this.video.name) this.metaService.setTag('og:description', this.video.description) this.metaService.setTag('description', this.video.description) this.metaService.setTag('og:image', this.video.previewPath) this.metaService.setTag('og:duration', this.video.duration.toString()) this.metaService.setTag('og:site_name', 'PeerTube') this.metaService.setTag('og:url', window.location.href) this.metaService.setTag('url', window.location.href) } private isAutoplay () { // We'll jump to the thread id, so do not play the video if (this.route.snapshot.params['threadId']) return false // Otherwise true by default if (!this.user) return true // Be sure the autoPlay is set to false return this.user.autoPlayVideo !== false } private flushPlayer () { // Remove player if it exists if (this.player) { try { this.player.dispose() this.player = undefined } catch (err) { console.error('Cannot dispose player.', err) } } } private buildPlayerManagerOptions (params: { video: VideoDetails, videoCaptions: VideoCaption[], urlOptions: CustomizationOptions & { playerMode: PlayerMode }, user?: AuthUser }) { const { video, videoCaptions, urlOptions, user } = params const getStartTime = () => { const byUrl = urlOptions.startTime !== undefined const byHistory = video.userHistory && (!this.playlist || urlOptions.resume !== undefined) if (byUrl) return timeToInt(urlOptions.startTime) if (byHistory) return video.userHistory.currentTime return 0 } let startTime = getStartTime() // If we are at the end of the video, reset the timer if (video.duration - startTime <= 1) startTime = 0 const playerCaptions = videoCaptions.map(c => ({ label: c.language.label, language: c.language.id, src: environment.apiUrl + c.captionPath })) const options: PeertubePlayerManagerOptions = { common: { autoplay: this.isAutoplay(), nextVideo: () => this.zone.run(() => this.autoplayNext()), playerElement: this.playerElement, onPlayerElementChange: (element: HTMLVideoElement) => this.playerElement = element, videoDuration: video.duration, enableHotkeys: true, inactivityTimeout: 2500, poster: video.previewUrl, startTime, stopTime: urlOptions.stopTime, controls: urlOptions.controls, muted: urlOptions.muted, loop: urlOptions.loop, subtitle: urlOptions.subtitle, peertubeLink: urlOptions.peertubeLink, theaterButton: true, captions: videoCaptions.length !== 0, videoViewUrl: video.privacy.id !== VideoPrivacy.PRIVATE ? this.videoService.getVideoViewUrl(video.uuid) : null, embedUrl: video.embedUrl, language: this.localeId, userWatching: user && user.videosHistoryEnabled === true ? { url: this.videoService.getUserWatchingVideoUrl(video.uuid), authorizationHeader: this.authService.getRequestHeaderValue() } : undefined, serverUrl: environment.apiUrl, videoCaptions: playerCaptions }, webtorrent: { videoFiles: video.files } } let mode: PlayerMode if (urlOptions.playerMode) { if (urlOptions.playerMode === 'p2p-media-loader') mode = 'p2p-media-loader' else mode = 'webtorrent' } else { if (video.hasHlsPlaylist()) mode = 'p2p-media-loader' else mode = 'webtorrent' } // p2p-media-loader needs TextEncoder, try to fallback on WebTorrent if (typeof TextEncoder === 'undefined') { mode = 'webtorrent' } if (mode === 'p2p-media-loader') { const hlsPlaylist = video.getHlsPlaylist() const p2pMediaLoader = { playlistUrl: hlsPlaylist.playlistUrl, segmentsSha256Url: hlsPlaylist.segmentsSha256Url, redundancyBaseUrls: hlsPlaylist.redundancies.map(r => r.baseUrl), trackerAnnounce: video.trackerUrls, videoFiles: hlsPlaylist.files } as P2PMediaLoaderOptions Object.assign(options, { p2pMediaLoader }) } return { playerMode: mode, playerOptions: options } } private pausePlayer () { if (!this.player) return this.player.pause() } private resumePlayer () { if (!this.player) return this.player.play() } private isPlaying () { if (!this.player) return return !this.player.paused() } private async subscribeToLiveEventsIfNeeded (oldVideo: VideoDetails, newVideo: VideoDetails) { if (!this.liveVideosSub) { this.liveVideosSub = this.peertubeSocket.getLiveVideosObservable() .subscribe(({ payload }) => { if (payload.state !== VideoState.PUBLISHED || this.video.state.id !== VideoState.WAITING_FOR_LIVE) return const videoUUID = this.video.uuid // Reset to refetch the video this.video = undefined this.loadVideo(videoUUID) }) } if (oldVideo && oldVideo.id !== newVideo.id) { await this.peertubeSocket.unsubscribeLiveVideos(oldVideo.id) } if (!newVideo.isLive) return await this.peertubeSocket.subscribeToLiveVideosSocket(newVideo.id) } private initHotkeys () { this.hotkeys = [ // These hotkeys are managed by the player new Hotkey('f', e => e, undefined, $localize`Enter/exit fullscreen (requires player focus)`), new Hotkey('space', e => e, undefined, $localize`Play/Pause the video (requires player focus)`), new Hotkey('m', e => e, undefined, $localize`Mute/unmute the video (requires player focus)`), 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)`), new Hotkey('up', e => e, undefined, $localize`Increase the volume (requires player focus)`), new Hotkey('down', e => e, undefined, $localize`Decrease the volume (requires player focus)`), new Hotkey('right', e => e, undefined, $localize`Seek the video forward (requires player focus)`), new Hotkey('left', e => e, undefined, $localize`Seek the video backward (requires player focus)`), new Hotkey('>', e => e, undefined, $localize`Increase playback rate (requires player focus)`), new Hotkey('<', e => e, undefined, $localize`Decrease playback rate (requires player focus)`), new Hotkey('.', e => e, undefined, $localize`Navigate in the video frame by frame (requires player focus)`) ] if (this.isUserLoggedIn()) { this.hotkeys = this.hotkeys.concat([ new Hotkey('shift+l', () => { this.setLike() return false }, undefined, $localize`Like the video`), new Hotkey('shift+d', () => { this.setDislike() return false }, undefined, $localize`Dislike the video`), new Hotkey('shift+s', () => { this.subscribeButton.subscribed ? this.subscribeButton.unsubscribe() : this.subscribeButton.subscribe() return false }, undefined, $localize`Subscribe to the account`) ]) } this.hotkeysService.add(this.hotkeys) } }