X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=client%2Fsrc%2Fstandalone%2Fvideos%2Fembed.ts;h=1275998b87a2830c65602a96116839b8666aa528;hb=329d9086601b7ae2127be12166ee8c892c289c6e;hp=f696df9680dfef25a413f04bd28a1df113f469b0;hpb=404b54e14f6623c1644a8c87ca22f4bab98d5484;p=github%2FChocobozzz%2FPeerTube.git diff --git a/client/src/standalone/videos/embed.ts b/client/src/standalone/videos/embed.ts index f696df968..1275998b8 100644 --- a/client/src/standalone/videos/embed.ts +++ b/client/src/standalone/videos/embed.ts @@ -1,56 +1,326 @@ import './embed.scss' -import videojs from 'video.js' -import '../../assets/player/peertube-videojs-plugin' -import 'videojs-dock/dist/videojs-dock.es.js' -import { VideoDetails } from '../../../../shared' - -function loadVideoInfo (videoId: string, callback: (err: Error, res?: VideoDetails) => void) { - const xhttp = new XMLHttpRequest() - xhttp.onreadystatechange = function () { - if (this.readyState === 4 && this.status === 200) { - const json = JSON.parse(this.responseText) - return callback(null, json) +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 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) } - xhttp.onerror = err => callback(err.error) + /** + * Let the host know that we're ready to go! + */ + private notifyReady () { + this.isReady = true + this.channel.notify({ method: 'ready', params: true }) + } - const url = window.location.origin + '/api/v1/videos/' + videoId - xhttp.open('GET', url, true) - xhttp.send() -} + 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) -const urlParts = window.location.href.split('/') -const videoId = urlParts[urlParts.length - 1] + 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' }) + }) -loadVideoInfo(videoId, (err, videoInfo) => { - if (err) { - console.error(err) - return + // PeerTube specific capabilities + + this.embed.player.peertube().on('autoResolutionUpdate', () => this.loadResolutions()) + this.embed.player.peertube().on('videoFileUpdate', () => this.loadResolutions()) } - const videoElement = document.getElementById('video-container') as HTMLVideoElement - const previewUrl = window.location.origin + videoInfo.previewPath - videoElement.poster = previewUrl + private loadResolutions () { + let resolutions = [] + let currentResolutionId = this.embed.player.peertube().getCurrentResolutionId() - const videojsOptions = { - controls: true, - autoplay: false, - plugins: { - peertube: { - videoFiles: videoInfo.files, - playerElement: videoElement, - autoplay: false, - peerTubeLink: true + 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 + }) + } +} + +class PeerTubeEmbed { + videoElement: HTMLVideoElement + player: any + playerOptions: any + api: PeerTubeEmbedApi = null + autoplay = false + controls = true + muted = false + loop = false + enableApi = false + startTime = 0 + scope = 'peertube' + + static async main () { + const videoContainerId = 'video-container' + const embed = new PeerTubeEmbed(videoContainerId) + await embed.init() } - videojs('video-container', videojsOptions, function () { - const player = this - player.dock({ - title: videoInfo.name + 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 (videoElement: HTMLVideoElement, text: string) { + // Remove video element + this.removeElement(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 (videoElement: HTMLVideoElement) { + const text = 'This video does not exist.' + this.displayError(videoElement, text) + } + + videoFetchError (videoElement: HTMLVideoElement) { + const text = 'We cannot fetch the video. Please try again later.' + this.displayError(videoElement, 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') + const startTimeParamNumber = parseInt(startTimeParamString, 10) + + if (isNaN(startTimeParamNumber) === false) this.startTime = startTimeParamNumber + } 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(this.videoElement) + + return this.videoFetchError(this.videoElement) + } + + 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, () => { + + 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() + }) + } +} + +PeerTubeEmbed.main() + .catch(err => console.error('Cannot init embed.', err))