import './embed.scss'
+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'
-import * as videojs from 'video.js'
+// FIXME: something weird with our path definition in tsconfig and typings
+// @ts-ignore
+import * as vjs from 'video.js'
-import { VideoDetails } from '../../../../shared'
-import { getVideojsOptions } from '../../assets/player/peertube-player'
+import * as Channel from 'jschannel'
-function getVideoUrl (id: string) {
- return window.location.origin + '/api/v1/videos/' + id
-}
+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'
-function loadVideoInfo (videoId: string): Promise<Response> {
- return fetch(getVideoUrl(videoId))
-}
+/**
+ * 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
-function removeElement (element: HTMLElement) {
- element.parentElement.removeChild(element)
-}
+ constructor (private embed: PeerTubeEmbed) {
+ }
-function displayError (videoElement: HTMLVideoElement, text: string) {
- // Remove video element
- removeElement(videoElement)
+ initialize () {
+ this.constructChannel()
+ this.setupStateTracking()
- document.title = 'Sorry - ' + text
+ // We're ready!
- const errorBlock = document.getElementById('error-block')
- errorBlock.style.display = 'flex'
+ this.notifyReady()
+ }
- const errorText = document.getElementById('error-content')
- errorText.innerHTML = text
-}
+ private get element () {
+ return this.embed.videoElement
+ }
-function videoNotFound (videoElement: HTMLVideoElement) {
- const text = 'This video does not exist.'
- displayError(videoElement, text)
-}
+ private constructChannel () {
+ let channel = Channel.build({ window: window.parent, origin: '*', scope: this.embed.scope })
+
+ 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)
-function videoFetchError (videoElement: HTMLVideoElement) {
- const text = 'We cannot fetch the video. Please try again later.'
- displayError(videoElement, text)
+ 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
+ }
+
+ 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
+ })
+ }
}
-const urlParts = window.location.href.split('/')
-const videoId = urlParts[urlParts.length - 1]
+class PeerTubeEmbed {
+ videoElement: HTMLVideoElement
+ player: any
+ playerOptions: any
+ api: PeerTubeEmbedApi = null
+ autoplay: boolean
+ controls: boolean
+ muted: boolean
+ loop: boolean
+ subtitle: string
+ enableApi = false
+ startTime: number | string = 0
+ scope = 'peertube'
-loadVideoInfo(videoId)
- .then(async response => {
+ static async main () {
const videoContainerId = 'video-container'
- const videoElement = document.getElementById(videoContainerId) as HTMLVideoElement
+ 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))
+ }
- if (!response.ok) {
- if (response.status === 404) return videoNotFound(videoElement)
+ loadVideoCaptions (videoId: string): Promise<Response> {
+ return fetch(this.getVideoUrl(videoId) + '/captions')
+ }
- return videoFetchError(videoElement)
+ removeElement (element: HTMLElement) {
+ element.parentElement.removeChild(element)
+ }
+
+ displayError (text: string, translations?: { [ id: string ]: string }) {
+ // Remove video element
+ if (this.videoElement) this.removeElement(this.videoElement)
+
+ const translatedText = peertubeTranslate(text, translations)
+ const translatedSorry = peertubeTranslate('Sorry', translations)
+
+ document.title = translatedSorry + ' - ' + translatedText
+
+ const errorBlock = document.getElementById('error-block')
+ errorBlock.style.display = 'flex'
+
+ const errorTitle = document.getElementById('error-title')
+ errorTitle.innerHTML = peertubeTranslate('Sorry', translations)
+
+ const errorText = document.getElementById('error-content')
+ errorText.innerHTML = translatedText
+ }
+
+ videoNotFound (translations?: { [ id: string ]: string }) {
+ const text = 'This video does not exist.'
+ this.displayError(text, translations)
+ }
+
+ videoFetchError (translations?: { [ id: string ]: string }) {
+ const text = 'We cannot fetch the video. Please try again later.'
+ this.displayError(text, translations)
+ }
+
+ 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)
}
+ }
- const videoInfo: VideoDetails = await response.json()
+ private initializeApi () {
+ if (!this.enableApi) return
- let autoplay = false
- let startTime = 0
+ this.api = new PeerTubeEmbedApi(this)
+ this.api.initialize()
+ }
+ private loadParams () {
try {
let params = new URL(window.location.toString()).searchParams
- autoplay = params.has('autoplay') && (params.get('autoplay') === '1' || params.get('autoplay') === 'true')
- const startTimeParamString = params.get('start')
- const startTimeParamNumber = parseInt(startTimeParamString, 10)
- if (isNaN(startTimeParamNumber) === false) startTime = startTimeParamNumber
+ this.autoplay = this.getParamToggle(params, 'autoplay')
+ this.controls = this.getParamToggle(params, 'controls')
+ this.muted = this.getParamToggle(params, 'muted')
+ this.loop = this.getParamToggle(params, 'loop')
+ this.enableApi = this.getParamToggle(params, 'api', this.enableApi)
+
+ this.scope = this.getParamString(params, 'scope', this.scope)
+ this.subtitle = this.getParamString(params, 'subtitle')
+ this.startTime = this.getParamString(params, 'start')
} catch (err) {
console.error('Cannot get params from URL.', err)
}
+ }
+
+ private async initCore () {
+ const urlParts = window.location.pathname.split('/')
+ const videoId = urlParts[ urlParts.length - 1 ]
+
+ 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(serverTranslations)
+
+ return this.videoFetchError(serverTranslations)
+ }
+
+ 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,
+ autoplay: this.autoplay,
+ controls: this.controls,
+ muted: this.muted,
+ loop: this.loop,
+ startTime: this.startTime,
+ subtitle: this.subtitle,
+
+ videoCaptions,
inactivityTimeout: 1500,
- videoViewUrl: getVideoUrl(videoId) + '/views',
- playerElement: videoElement,
+ videoViewUrl: this.getVideoUrl(videoId) + '/views',
+ playerElement: this.videoElement,
videoFiles: videoInfo.files,
videoDuration: videoInfo.duration,
enableHotkeys: true,
peertubeLink: true,
poster: window.location.origin + videoInfo.previewPath,
- startTime
+ theaterMode: false
})
- videojs(videoContainerId, videojsOptions, function () {
- const player = this
- player.dock({
- title: videoInfo.name,
- description: 'Uses P2P, others may know you are watching this video.'
- })
+ this.playerOptions = videojsOptions
+ this.player = vjs(this.videoContainerId, videojsOptions, () => {
+ this.player.on('customError', (event: any, data: any) => this.handleError(data.err, serverTranslations))
+
+ 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()
})
- })
- .catch(err => console.error(err))
+ }
+
+ private handleError (err: Error, translations?: { [ id: string ]: string }) {
+ 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.', translations)
+ return
+ }
+ }
+}
+
+PeerTubeEmbed.main()
+ .catch(err => console.error('Cannot init embed.', err))