import './embed.scss'
-import * as videojs from 'video.js'
-import 'videojs-hotkeys'
-import '../../assets/player/peertube-videojs-plugin'
-import 'videojs-dock/dist/videojs-dock.es.js'
-import { VideoDetails } from '../../../../shared'
-
-function getVideoUrl (id: string) {
- return window.location.origin + '/api/v1/videos/' + id
-}
+import 'core-js/es6/symbol'
+import 'core-js/es6/object'
+import 'core-js/es6/function'
+import 'core-js/es6/parse-int'
+import 'core-js/es6/parse-float'
+import 'core-js/es6/number'
+import 'core-js/es6/math'
+import 'core-js/es6/string'
+import 'core-js/es6/date'
+import 'core-js/es6/array'
+import 'core-js/es6/regexp'
+import 'core-js/es6/map'
+import 'core-js/es6/weak-map'
+import 'core-js/es6/set'
+// For google bot that uses Chrome 41 and does not understand fetch
+import 'whatwg-fetch'
-async function loadVideoInfo (videoId: string): Promise<VideoDetails> {
- const response = await fetch(getVideoUrl(videoId))
- return response.json()
-}
+import * as vjs from 'video.js'
+import * as Channel from 'jschannel'
+
+import { peertubeTranslate, ResultList, VideoDetails } from '../../../../shared'
+import { addContextMenu, getServerTranslations, getVideojsOptions, loadLocaleInVideoJS } from '../../assets/player/peertube-player'
+import { PeerTubeResolution } from '../player/definitions'
+import { VideoJSCaption } from '../../assets/player/peertube-videojs-typings'
+import { VideoCaption } from '../../../../shared/models/videos/caption/video-caption.model'
+
+/**
+ * Embed API exposes control of the embed player to the outside world via
+ * JSChannels and window.postMessage
+ */
+class PeerTubeEmbedApi {
+ private channel: Channel.MessagingChannel
+ private isReady = false
+ private resolutions: PeerTubeResolution[] = null
+
+ constructor (private embed: PeerTubeEmbed) {
+ }
+
+ initialize () {
+ this.constructChannel()
+ this.setupStateTracking()
+
+ // We're ready!
+
+ this.notifyReady()
+ }
+
+ private get element () {
+ return this.embed.videoElement
+ }
+
+ private constructChannel () {
+ let channel = Channel.build({ window: window.parent, origin: '*', scope: this.embed.scope })
-const urlParts = window.location.href.split('/')
-const videoId = urlParts[urlParts.length - 1]
-
-loadVideoInfo(videoId)
- .then(videoInfo => {
- const videoElement = document.getElementById('video-container') as HTMLVideoElement
- const previewUrl = window.location.origin + videoInfo.previewPath
- videoElement.poster = previewUrl
-
- const videojsOptions = {
- controls: true,
- autoplay: false,
- plugins: {
- peertube: {
- videoFiles: videoInfo.files,
- playerElement: videoElement,
- peerTubeLink: true,
- videoViewUrl: getVideoUrl(videoId) + '/views',
- videoDuration: videoInfo.duration
- },
- hotkeys: {
- enableVolumeScroll: false
+ channel.bind('play', (txn, params) => this.embed.player.play())
+ channel.bind('pause', (txn, params) => this.embed.player.pause())
+ channel.bind('seek', (txn, time) => this.embed.player.currentTime(time))
+ channel.bind('setVolume', (txn, value) => this.embed.player.volume(value))
+ channel.bind('getVolume', (txn, value) => this.embed.player.volume())
+ channel.bind('isReady', (txn, params) => this.isReady)
+ channel.bind('setResolution', (txn, resolutionId) => this.setResolution(resolutionId))
+ channel.bind('getResolutions', (txn, params) => this.resolutions)
+ channel.bind('setPlaybackRate', (txn, playbackRate) => this.embed.player.playbackRate(playbackRate))
+ channel.bind('getPlaybackRate', (txn, params) => this.embed.player.playbackRate())
+ channel.bind('getPlaybackRates', (txn, params) => this.embed.playerOptions.playbackRates)
+
+ this.channel = channel
+ }
+
+ private setResolution (resolutionId: number) {
+ if (resolutionId === -1 && this.embed.player.peertube().isAutoResolutionForbidden()) return
+
+ // Auto resolution
+ if (resolutionId === -1) {
+ this.embed.player.peertube().enableAutoResolution()
+ return
+ }
+
+ this.embed.player.peertube().disableAutoResolution()
+ this.embed.player.peertube().updateResolution(resolutionId)
+ }
+
+ /**
+ * Let the host know that we're ready to go!
+ */
+ private notifyReady () {
+ this.isReady = true
+ this.channel.notify({ method: 'ready', params: true })
+ }
+
+ private setupStateTracking () {
+ let currentState: 'playing' | 'paused' | 'unstarted' = 'unstarted'
+
+ setInterval(() => {
+ let position = this.element.currentTime
+ let volume = this.element.volume
+
+ this.channel.notify({
+ method: 'playbackStatusUpdate',
+ params: {
+ position,
+ volume,
+ playbackState: currentState
}
+ })
+ }, 500)
+
+ this.element.addEventListener('play', ev => {
+ currentState = 'playing'
+ this.channel.notify({ method: 'playbackStatusChange', params: 'playing' })
+ })
+
+ this.element.addEventListener('pause', ev => {
+ currentState = 'paused'
+ this.channel.notify({ method: 'playbackStatusChange', params: 'paused' })
+ })
+
+ // PeerTube specific capabilities
+
+ this.embed.player.peertube().on('autoResolutionUpdate', () => this.loadResolutions())
+ this.embed.player.peertube().on('videoFileUpdate', () => this.loadResolutions())
+ }
+
+ private loadResolutions () {
+ let resolutions = []
+ let currentResolutionId = this.embed.player.peertube().getCurrentResolutionId()
+
+ for (const videoFile of this.embed.player.peertube().videoFiles) {
+ let label = videoFile.resolution.label
+ if (videoFile.fps && videoFile.fps >= 50) {
+ label += videoFile.fps
}
- }
- videojs('video-container', videojsOptions, function () {
- const player = this
- player.dock({
- title: videoInfo.name,
- description: 'Use P2P, other may know you are watching that video.'
+ resolutions.push({
+ id: videoFile.resolution.id,
+ label,
+ src: videoFile.magnetUri,
+ active: videoFile.resolution.id === currentResolutionId
})
+ }
+
+ this.resolutions = resolutions
+ this.channel.notify({
+ method: 'resolutionUpdate',
+ params: this.resolutions
})
- })
- .catch(err => console.error(err))
+ }
+}
+
+class PeerTubeEmbed {
+ videoElement: HTMLVideoElement
+ player: any
+ playerOptions: any
+ api: PeerTubeEmbedApi = null
+ autoplay = false
+ controls = true
+ muted = false
+ loop = false
+ enableApi = false
+ startTime: number | string = 0
+ scope = 'peertube'
+
+ static async main () {
+ const videoContainerId = 'video-container'
+ const embed = new PeerTubeEmbed(videoContainerId)
+ await embed.init()
+ }
+
+ constructor (private videoContainerId: string) {
+ this.videoElement = document.getElementById(videoContainerId) as HTMLVideoElement
+ }
+
+ getVideoUrl (id: string) {
+ return window.location.origin + '/api/v1/videos/' + id
+ }
+
+ loadVideoInfo (videoId: string): Promise<Response> {
+ return fetch(this.getVideoUrl(videoId))
+ }
+
+ loadVideoCaptions (videoId: string): Promise<Response> {
+ return fetch(this.getVideoUrl(videoId) + '/captions')
+ }
+
+ removeElement (element: HTMLElement) {
+ element.parentElement.removeChild(element)
+ }
+
+ displayError (text: string) {
+ // Remove video element
+ if (this.videoElement) this.removeElement(this.videoElement)
+
+ document.title = 'Sorry - ' + text
+
+ const errorBlock = document.getElementById('error-block')
+ errorBlock.style.display = 'flex'
+
+ const errorText = document.getElementById('error-content')
+ errorText.innerHTML = text
+ }
+
+ videoNotFound () {
+ const text = 'This video does not exist.'
+ this.displayError(text)
+ }
+
+ videoFetchError () {
+ const text = 'We cannot fetch the video. Please try again later.'
+ this.displayError(text)
+ }
+
+ getParamToggle (params: URLSearchParams, name: string, defaultValue: boolean) {
+ return params.has(name) ? (params.get(name) === '1' || params.get(name) === 'true') : defaultValue
+ }
+
+ getParamString (params: URLSearchParams, name: string, defaultValue: string) {
+ return params.has(name) ? params.get(name) : defaultValue
+ }
+
+ async init () {
+ try {
+ await this.initCore()
+ } catch (e) {
+ console.error(e)
+ }
+ }
+
+ private initializeApi () {
+ if (!this.enableApi) return
+
+ this.api = new PeerTubeEmbedApi(this)
+ this.api.initialize()
+ }
+
+ private loadParams () {
+ try {
+ let params = new URL(window.location.toString()).searchParams
+
+ this.autoplay = this.getParamToggle(params, 'autoplay', this.autoplay)
+ this.controls = this.getParamToggle(params, 'controls', this.controls)
+ this.muted = this.getParamToggle(params, 'muted', this.muted)
+ this.loop = this.getParamToggle(params, 'loop', this.loop)
+ this.enableApi = this.getParamToggle(params, 'api', this.enableApi)
+ this.scope = this.getParamString(params, 'scope', this.scope)
+
+ const startTimeParamString = params.get('start')
+ if (startTimeParamString) this.startTime = startTimeParamString
+ } catch (err) {
+ console.error('Cannot get params from URL.', err)
+ }
+ }
+
+ private async initCore () {
+ const urlParts = window.location.href.split('/')
+ const lastPart = urlParts[ urlParts.length - 1 ]
+ const videoId = lastPart.indexOf('?') === -1 ? lastPart : lastPart.split('?')[ 0 ]
+
+ const [ , serverTranslations, videoResponse, captionsResponse ] = await Promise.all([
+ loadLocaleInVideoJS(window.location.origin, vjs, navigator.language),
+ getServerTranslations(window.location.origin, navigator.language),
+ this.loadVideoInfo(videoId),
+ this.loadVideoCaptions(videoId)
+ ])
+
+ if (!videoResponse.ok) {
+ if (videoResponse.status === 404) return this.videoNotFound()
+
+ return this.videoFetchError()
+ }
+
+ const videoInfo: VideoDetails = await videoResponse.json()
+ let videoCaptions: VideoJSCaption[] = []
+ if (captionsResponse.ok) {
+ const { data } = (await captionsResponse.json()) as ResultList<VideoCaption>
+ videoCaptions = data.map(c => ({
+ label: peertubeTranslate(c.language.label, serverTranslations),
+ language: c.language.id,
+ src: window.location.origin + c.captionPath
+ }))
+ }
+
+ this.loadParams()
+
+ const videojsOptions = getVideojsOptions({
+ autoplay: this.autoplay,
+ controls: this.controls,
+ muted: this.muted,
+ loop: this.loop,
+ startTime: this.startTime,
+
+ videoCaptions,
+ inactivityTimeout: 1500,
+ videoViewUrl: this.getVideoUrl(videoId) + '/views',
+ playerElement: this.videoElement,
+ videoFiles: videoInfo.files,
+ videoDuration: videoInfo.duration,
+ enableHotkeys: true,
+ peertubeLink: true,
+ poster: window.location.origin + videoInfo.previewPath,
+ theaterMode: false
+ })
+
+ this.playerOptions = videojsOptions
+ this.player = vjs(this.videoContainerId, videojsOptions, () => {
+ this.player.on('customError', (event, data) => this.handleError(data.err))
+
+ window[ 'videojsPlayer' ] = this.player
+
+ if (this.controls) {
+ this.player.dock({
+ title: videoInfo.name,
+ description: this.player.localize('Uses P2P, others may know your IP is downloading this video.')
+ })
+ }
+
+ addContextMenu(this.player, window.location.origin + videoInfo.embedPath)
+
+ this.initializeApi()
+ })
+ }
+
+ private handleError (err: Error) {
+ if (err.message.indexOf('from xs param') !== -1) {
+ this.player.dispose()
+ this.videoElement = null
+ this.displayError('This video is not available because the remote instance is not responding.')
+ return
+ }
+ }
+}
+
+PeerTubeEmbed.main()
+ .catch(err => console.error('Cannot init embed.', err))