import { catchError } from 'rxjs/operators'
import { ChangeDetectorRef, Component, ElementRef, Inject, LOCALE_ID, NgZone, OnDestroy, OnInit, ViewChild } from '@angular/core'
import { ActivatedRoute, Router } from '@angular/router'
import { RedirectService } from '@app/core/routing/redirect.service'
import { peertubeLocalStorage } from '@app/shared/misc/peertube-local-storage'
import { VideoSupportComponent } from '@app/videos/+video-watch/modal/video-support.component'
import { MetaService } from '@ngx-meta/core'
import { Notifier, ServerService } from '@app/core'
import { forkJoin, Subscription } from 'rxjs'
import { Hotkey, HotkeysService } from 'angular2-hotkeys'
import { UserVideoRateType, VideoCaption, VideoPlaylistPrivacy, VideoPrivacy, VideoState } from '../../../../../shared'
import { AuthService, ConfirmService } from '../../core'
import { RestExtractor, VideoBlacklistService } from '../../shared'
import { VideoDetails } from '../../shared/video/video-details.model'
import { VideoService } from '../../shared/video/video.service'
import { VideoDownloadComponent } from './modal/video-download.component'
import { VideoReportComponent } from './modal/video-report.component'
import { VideoShareComponent } from './modal/video-share.component'
import { VideoBlacklistComponent } from './modal/video-blacklist.component'
import { SubscribeButtonComponent } from '@app/shared/user-subscription/subscribe-button.component'
import { I18n } from '@ngx-translate/i18n-polyfill'
import { environment } from '../../../environments/environment'
import { VideoCaptionService } from '@app/shared/video-caption'
import { MarkdownService } from '@app/shared/renderer'
import {
P2PMediaLoaderOptions,
PeertubePlayerManager,
PeertubePlayerManagerOptions,
PlayerMode
} from '../../../assets/player/peertube-player-manager'
import { VideoPlaylist } from '@app/shared/video-playlist/video-playlist.model'
import { VideoPlaylistService } from '@app/shared/video-playlist/video-playlist.service'
import { ComponentPagination } from '@app/shared/rest/component-pagination.model'
import { Video } from '@app/shared/video/video.model'
@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('videoDownloadModal') videoDownloadModal: VideoDownloadComponent
@ViewChild('videoShareModal') videoShareModal: VideoShareComponent
@ViewChild('videoReportModal') videoReportModal: VideoReportComponent
@ViewChild('videoSupportModal') videoSupportModal: VideoSupportComponent
@ViewChild('videoBlacklistModal') videoBlacklistModal: VideoBlacklistComponent
@ViewChild('subscribeButton') subscribeButton: SubscribeButtonComponent
player: any
playerElement: HTMLVideoElement
userRating: UserVideoRateType = null
video: VideoDetails = null
descriptionLoading = false
playlist: VideoPlaylist = null
playlistVideos: Video[] = []
playlistPagination: ComponentPagination = {
currentPage: 1,
itemsPerPage: 10,
totalItems: null
}
noPlaylistVideos = false
currentPlaylistPosition = 1
completeDescriptionShown = false
completeVideoDescription: string
shortVideoDescription: string
videoHTMLDescription = ''
likesBarTooltipText = ''
hasAlreadyAcceptedPrivacyConcern = false
remoteServerDown = false
hotkeys: Hotkey[]
private currentTime: number
private paramsSub: Subscription
private queryParamsSub: Subscription
constructor (
private elementRef: ElementRef,
private changeDetector: ChangeDetectorRef,
private route: ActivatedRoute,
private router: Router,
private videoService: VideoService,
private playlistService: VideoPlaylistService,
private videoBlacklistService: VideoBlacklistService,
private confirmService: ConfirmService,
private metaService: MetaService,
private authService: AuthService,
private serverService: ServerService,
private restExtractor: RestExtractor,
private notifier: Notifier,
private markdownService: MarkdownService,
private zone: NgZone,
private redirectService: RedirectService,
private videoCaptionService: VideoCaptionService,
private i18n: I18n,
private hotkeysService: HotkeysService,
@Inject(LOCALE_ID) private localeId: string
) {}
get user () {
return this.authService.getUser()
}
ngOnInit () {
if (
!!((window as any).RTCPeerConnection || (window as any).mozRTCPeerConnection || (window as any).webkitRTCPeerConnection) === 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 => {
const videoId = queryParams[ 'videoId' ]
if (videoId) this.loadVideo(videoId)
})
this.hotkeys = [
new Hotkey('shift+l', (event: KeyboardEvent): boolean => {
this.setLike()
return false
}, undefined, this.i18n('Like the video')),
new Hotkey('shift+d', (event: KeyboardEvent): boolean => {
this.setDislike()
return false
}, undefined, this.i18n('Dislike the video')),
new Hotkey('shift+s', (event: KeyboardEvent): boolean => {
this.subscribeButton.subscribed ?
this.subscribeButton.unsubscribe() :
this.subscribeButton.subscribe()
return false
}, undefined, this.i18n('Subscribe to the account'))
]
if (this.isUserLoggedIn()) this.hotkeysService.add(this.hotkeys)
}
ngOnDestroy () {
this.flushPlayer()
// Unsubscribe subscriptions
if (this.paramsSub) this.paramsSub.unsubscribe()
if (this.queryParamsSub) this.queryParamsSub.unsubscribe()
// Unbind hotkeys
if (this.isUserLoggedIn()) this.hotkeysService.remove(this.hotkeys)
}
setLike () {
if (this.isUserLoggedIn() === false) return
if (this.userRating === 'like') {
// Already liked this video
this.setRating('none')
} else {
this.setRating('like')
}
}
setDislike () {
if (this.isUserLoggedIn() === false) return
if (this.userRating === 'dislike') {
// Already disliked this video
this.setRating('none')
} else {
this.setRating('dislike')
}
}
showMoreDescription () {
if (this.completeVideoDescription === undefined) {
return this.loadCompleteDescription()
}
this.updateVideoDescription(this.completeVideoDescription)
this.completeDescriptionShown = true
}
showLessDescription () {
this.updateVideoDescription(this.shortVideoDescription)
this.completeDescriptionShown = false
}
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)
}
)
}
showReportModal (event: Event) {
event.preventDefault()
this.videoReportModal.show()
}
showSupportModal () {
this.videoSupportModal.show()
}
showShareModal () {
this.videoShareModal.show(this.currentTime)
}
showDownloadModal (event: Event) {
event.preventDefault()
this.videoDownloadModal.show()
}
showBlacklistModal (event: Event) {
event.preventDefault()
this.videoBlacklistModal.show()
}
async unblacklistVideo (event: Event) {
event.preventDefault()
const confirmMessage = this.i18n(
'Do you really want to remove this video from the blacklist? It will be available again in the videos list.'
)
const res = await this.confirmService.confirm(confirmMessage, this.i18n('Unblacklist'))
if (res === false) return
this.videoBlacklistService.removeVideoFromBlacklist(this.video.id).subscribe(
() => {
this.notifier.success(this.i18n('Video {{name}} removed from the blacklist.', { name: this.video.name }))
this.video.blacklisted = false
this.video.blacklistedReason = null
},
err => this.notifier.error(err.message)
)
}
isUserLoggedIn () {
return this.authService.isLoggedIn()
}
isVideoUpdatable () {
return this.video.isUpdatableBy(this.authService.getUser())
}
isVideoBlacklistable () {
return this.video.isBlackistableBy(this.user)
}
isVideoUnblacklistable () {
return this.video.isUnblacklistableBy(this.user)
}
getVideoTags () {
if (!this.video || Array.isArray(this.video.tags) === false) return []
return this.video.tags
}
isVideoRemovable () {
return this.video.isRemovableBy(this.authService.getUser())
}
async removeVideo (event: Event) {
event.preventDefault()
const res = await this.confirmService.confirm(this.i18n('Do you really want to delete this video?'), this.i18n('Delete'))
if (res === false) return
this.videoService.removeVideo(this.video.id)
.subscribe(
() => {
this.notifier.success(this.i18n('Video {{videoName}} deleted.', { videoName: this.video.name }))
// Go back to the video-list.
this.redirectService.redirectToHomepage()
},
error => this.notifier.error(error.message)
)
}
acceptedPrivacyConcern () {
peertubeLocalStorage.setItem(VideoWatchComponent.LOCAL_STORAGE_PRIVACY_CONCERN_KEY, 'true')
this.hasAlreadyAcceptedPrivacyConcern = true
}
isVideoToTranscode () {
return this.video && this.video.state.id === VideoState.TO_TRANSCODE
}
isVideoDownloadable () {
return this.video && this.video.downloadEnabled
}
isVideoToImport () {
return this.video && this.video.state.id === VideoState.TO_IMPORT
}
hasVideoScheduledPublication () {
return this.video && this.video.scheduledUpdate !== undefined
}
isVideoBlur (video: Video) {
return video.isVideoNSFWForUser(this.user, this.serverService.getConfig())
}
isPlaylistOwned () {
return this.playlist.isLocal === true && this.playlist.ownerAccount.name === this.user.username
}
isUnlistedPlaylist () {
return this.playlist.privacy.id === VideoPlaylistPrivacy.UNLISTED
}
isPrivatePlaylist () {
return this.playlist.privacy.id === VideoPlaylistPrivacy.PRIVATE
}
isPublicPlaylist () {
return this.playlist.privacy.id === VideoPlaylistPrivacy.PUBLIC
}
onPlaylistVideosNearOfBottom () {
// Last page
if (this.playlistPagination.totalItems <= (this.playlistPagination.currentPage * this.playlistPagination.itemsPerPage)) return
this.playlistPagination.currentPage += 1
this.loadPlaylistElements(false)
}
onElementRemoved (video: Video) {
this.playlistVideos = this.playlistVideos.filter(v => v.id !== video.id)
this.playlistPagination.totalItems--
}
private loadVideo (videoId: string) {
// Video did not change
if (this.video && this.video.uuid === videoId) return
if (this.player) this.player.pause()
// Video did change
forkJoin(
this.videoService.getVideo(videoId),
this.videoCaptionService.listCaptions(videoId)
)
.pipe(
// If 401, the video is private or blacklisted so redirect to 404
catchError(err => this.restExtractor.redirectTo404IfNotFound(err, [ 400, 401, 403, 404 ]))
)
.subscribe(([ video, captionsResult ]) => {
const queryParams = this.route.snapshot.queryParams
const startTime = queryParams.start
const stopTime = queryParams.stop
const subtitle = queryParams.subtitle
const playerMode = queryParams.mode
this.onVideoFetched(video, captionsResult.data, { startTime, stopTime, subtitle, playerMode })
.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 blacklisted so redirect to 404
catchError(err => this.restExtractor.redirectTo404IfNotFound(err, [ 400, 401, 403, 404 ]))
)
.subscribe(playlist => {
this.playlist = playlist
const videoId = this.route.snapshot.queryParams['videoId']
this.loadPlaylistElements(!videoId)
})
}
private loadPlaylistElements (redirectToFirst = false) {
this.videoService.getPlaylistVideos(this.playlist.id, this.playlistPagination)
.subscribe(({ totalVideos, videos }) => {
this.playlistVideos = this.playlistVideos.concat(videos)
this.playlistPagination.totalItems = totalVideos
if (totalVideos === 0) {
this.noPlaylistVideos = true
return
}
this.updatePlaylistIndex()
if (redirectToFirst) {
const extras = {
queryParams: { videoId: this.playlistVideos[ 0 ].uuid },
replaceUrl: true
}
this.router.navigate([], extras)
}
})
}
private updateVideoDescription (description: string) {
this.video.description = description
this.setVideoDescriptionHTML()
}
private async setVideoDescriptionHTML () {
this.videoHTMLDescription = await this.markdownService.textMarkdownToHTML(this.video.description)
}
private setVideoLikesBarTooltipText () {
this.likesBarTooltipText = this.i18n('{{likesNumber}} likes / {{dislikesNumber}} dislikes', {
likesNumber: this.video.likes,
dislikesNumber: this.video.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: { startTime?: number, stopTime?: number, subtitle?: string, playerMode?: string }
) {
this.video = video
// Re init attributes
this.descriptionLoading = false
this.completeDescriptionShown = false
this.remoteServerDown = false
this.currentTime = undefined
this.updatePlaylistIndex()
let startTime = urlOptions.startTime || (this.video.userHistory ? this.video.userHistory.currentTime : 0)
// If we are at the end of the video, reset the timer
if (this.video.duration - startTime <= 1) startTime = 0
if (this.isVideoBlur(this.video)) {
const res = await this.confirmService.confirm(
this.i18n('This video contains mature or explicit content. Are you sure you want to watch it?'),
this.i18n('Mature or explicit content')
)
if (res === false) return this.redirectService.redirectToHomepage()
}
// Flush old player if needed
this.flushPlayer()
// Build video element, because videojs remove 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 playerCaptions = videoCaptions.map(c => ({
label: c.language.label,
language: c.language.id,
src: environment.apiUrl + c.captionPath
}))
const options: PeertubePlayerManagerOptions = {
common: {
autoplay: this.isAutoplay(),
playerElement: this.playerElement,
onPlayerElementChange: (element: HTMLVideoElement) => this.playerElement = element,
videoDuration: this.video.duration,
enableHotkeys: true,
inactivityTimeout: 2500,
poster: this.video.previewUrl,
startTime,
stopTime: urlOptions.stopTime,
theaterMode: true,
captions: videoCaptions.length !== 0,
peertubeLink: false,
videoViewUrl: this.video.privacy.id !== VideoPrivacy.PRIVATE ? this.videoService.getVideoViewUrl(this.video.uuid) : null,
embedUrl: this.video.embedUrl,
language: this.localeId,
subtitle: urlOptions.subtitle,
userWatching: this.user && this.user.videosHistoryEnabled === true ? {
url: this.videoService.getUserWatchingVideoUrl(this.video.uuid),
authorizationHeader: this.authService.getRequestHeaderValue()
} : undefined,
serverUrl: environment.apiUrl,
videoCaptions: playerCaptions
},
webtorrent: {
videoFiles: this.video.files
}
}
const mode: PlayerMode = urlOptions.playerMode === 'p2p-media-loader' ? 'p2p-media-loader' : 'webtorrent'
if (mode === 'p2p-media-loader') {
const hlsPlaylist = this.video.getHlsPlaylist()
const p2pMediaLoader = {
playlistUrl: hlsPlaylist.playlistUrl,
segmentsSha256Url: hlsPlaylist.segmentsSha256Url,
redundancyBaseUrls: hlsPlaylist.redundancies.map(r => r.baseUrl),
trackerAnnounce: this.video.trackerUrls,
videoFiles: this.video.files
} as P2PMediaLoaderOptions
Object.assign(options, { p2pMediaLoader })
}
this.zone.runOutsideAngular(async () => {
this.player = await PeertubePlayerManager.initialize(mode, options)
this.player.on('customError', ({ err }: { err: any }) => this.handleError(err))
this.player.on('timeupdate', () => {
this.currentTime = Math.floor(this.player.currentTime())
})
this.player.one('ended', () => {
if (this.playlist) {
this.zone.run(() => this.navigateToNextPlaylistVideo())
}
})
this.player.one('stopped', () => {
if (this.playlist) {
this.zone.run(() => this.navigateToNextPlaylistVideo())
}
})
})
this.setVideoDescriptionHTML()
this.setVideoLikesBarTooltipText()
this.setOpenGraphTags()
this.checkUserRating()
}
private setRating (nextRating: UserVideoRateType) {
let method
switch (nextRating) {
case 'like':
method = this.videoService.setVideoLike
break
case 'dislike':
method = this.videoService.setVideoDislike
break
case 'none':
method = this.videoService.unsetVideoLike
break
}
method.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 updatePlaylistIndex () {
if (this.playlistVideos.length === 0 || !this.video) return
for (const video of this.playlistVideos) {
if (video.id === this.video.id) {
this.currentPlaylistPosition = video.playlistElement.position
return
}
}
// Load more videos to find our video
this.onPlaylistVideosNearOfBottom()
}
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) {
this.player.dispose()
this.player = undefined
}
}
private navigateToNextPlaylistVideo () {
if (this.currentPlaylistPosition < this.playlistPagination.totalItems) {
const next = this.playlistVideos.find(v => v.playlistElement.position === this.currentPlaylistPosition + 1)
const start = next.playlistElement.startTimestamp
const stop = next.playlistElement.stopTimestamp
this.router.navigate([],{ queryParams: { videoId: next.uuid, start, stop } })
}
}
}