X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=client%2Fsrc%2Fstandalone%2Fvideos%2Fembed.ts;h=cb05ec2b56d72e0b100393e1eb20e158ef67423a;hb=6d88de725321e77486788f64a2e2537f5e6ef0cd;hp=964ec56f3dabccbc21ec0969f0ba1f15da92fba8;hpb=60a26a559ca21ca02458a1311c5b464044bb8a05;p=github%2FChocobozzz%2FPeerTube.git diff --git a/client/src/standalone/videos/embed.ts b/client/src/standalone/videos/embed.ts index 964ec56f3..cb05ec2b5 100644 --- a/client/src/standalone/videos/embed.ts +++ b/client/src/standalone/videos/embed.ts @@ -1,74 +1,334 @@ 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 { - const response = await fetch(getVideoUrl(videoId)) - return response.json() -} +import * as vjs from 'video.js' +import * as Channel from 'jschannel' + +import { ResultList, VideoDetails } from '../../../../shared' +import { addContextMenu, getVideojsOptions, loadLocale } from '../../assets/player/peertube-player' +import { PeerTubeResolution } from '../player/definitions' +import { VideoJSCaption } from '../../assets/player/peertube-videojs-typings' +import { VideoCaption } from '../../../../shared/models/videos/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 }) + + 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' -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, - inactivityTimeout: 500, - plugins: { - peertube: { - videoFiles: videoInfo.files, - playerElement: videoElement, - videoViewUrl: getVideoUrl(videoId) + '/views', - videoDuration: videoInfo.duration - }, - hotkeys: { - enableVolumeScroll: false + setInterval(() => { + let position = this.element.currentTime + let volume = this.element.volume + + this.channel.notify({ + method: 'playbackStatusUpdate', + params: { + position, + volume, + playbackState: currentState } - }, - controlBar: { - children: [ - 'playToggle', - 'currentTimeDisplay', - 'timeDivider', - 'durationDisplay', - 'liveDisplay', + }) + }, 500) - 'flexibleWidthSpacer', - 'progressControl', + 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' }) + }) - 'webTorrentButton', + // PeerTube specific capabilities - 'muteToggle', - 'volumeControl', + this.embed.player.peertube().on('autoResolutionUpdate', () => this.loadResolutions()) + this.embed.player.peertube().on('videoFileUpdate', () => this.loadResolutions()) + } - 'resolutionMenuButton', - 'peerTubeLinkButton', + private loadResolutions () { + let resolutions = [] + let currentResolutionId = this.embed.player.peertube().getCurrentResolutionId() - 'fullscreenToggle' - ] + 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: 'Uses P2P, others may know you are watching this 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 + }) + } +} + +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 { + return fetch(this.getVideoUrl(videoId)) + } + + loadVideoCaptions (videoId: string): Promise { + 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 ] + + await loadLocale(window.location.origin, vjs, navigator.language) + const [ videoResponse, captionsResponse ] = await Promise.all([ + 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 + videoCaptions = data.map(c => ({ + label: c.language.label, + 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() }) - }) - .catch(err => console.error(err)) + } + + private handleError (err: Error) { + if (err.message.indexOf('http error') !== -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))