831 lines
27 KiB
JavaScript
831 lines
27 KiB
JavaScript
/* global $, APP, YT, onPlayerReady, onPlayerStateChange, onPlayerError,
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JitsiMeetJS */
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import UIUtil from '../util/UIUtil';
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import UIEvents from '../../../service/UI/UIEvents';
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import VideoLayout from "../videolayout/VideoLayout";
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import LargeContainer from '../videolayout/LargeContainer';
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import SmallVideo from '../videolayout/SmallVideo';
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import FilmStrip from '../videolayout/FilmStrip';
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import ToolbarToggler from "../toolbars/ToolbarToggler";
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export const SHARED_VIDEO_CONTAINER_TYPE = "sharedvideo";
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/**
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* Example shared video link.
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* @type {string}
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*/
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const defaultSharedVideoLink = "https://www.youtube.com/watch?v=xNXN7CZk8X0";
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const updateInterval = 5000; // milliseconds
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/**
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* The dialog for user input (video link).
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* @type {null}
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*/
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let dialog = null;
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/**
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* Manager of shared video.
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*/
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export default class SharedVideoManager {
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constructor (emitter) {
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this.emitter = emitter;
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this.isSharedVideoShown = false;
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this.isPlayerAPILoaded = false;
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this.mutedWithUserInteraction = false;
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}
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/**
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* Indicates if the player volume is currently on. This will return true if
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* we have an available player, which is currently in a PLAYING state,
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* which isn't muted and has it's volume greater than 0.
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*
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* @returns {boolean} indicating if the volume of the shared video is
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* currently on.
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*/
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isSharedVideoVolumeOn() {
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return (this.player
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&& this.player.getPlayerState() === YT.PlayerState.PLAYING
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&& !this.player.isMuted()
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&& this.player.getVolume() > 0);
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}
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/**
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* Indicates if the local user is the owner of the shared video.
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* @returns {*|boolean}
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*/
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isSharedVideoOwner() {
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return this.from && APP.conference.isLocalId(this.from);
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}
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/**
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* Starts shared video by asking user for url, or if its already working
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* asks whether the user wants to stop sharing the video.
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*/
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toggleSharedVideo () {
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if (dialog)
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return;
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if(!this.isSharedVideoShown) {
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requestVideoLink().then(
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url => {
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this.emitter.emit(
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UIEvents.UPDATE_SHARED_VIDEO, url, 'start');
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JitsiMeetJS.analytics.sendEvent('sharedvideo.started');
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},
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err => {
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console.log('SHARED VIDEO CANCELED', err);
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JitsiMeetJS.analytics.sendEvent('sharedvideo.canceled');
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}
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);
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return;
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}
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if(APP.conference.isLocalId(this.from)) {
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showStopVideoPropmpt().then(() => {
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// make sure we stop updates for playing before we send stop
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// if we stop it after receiving self presence, we can end
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// up sending stop playing, and on the other end it will not
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// stop
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if(this.intervalId) {
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clearInterval(this.intervalId);
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this.intervalId = null;
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}
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this.emitter.emit(
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UIEvents.UPDATE_SHARED_VIDEO, this.url, 'stop');
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JitsiMeetJS.analytics.sendEvent('sharedvideo.stoped');
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},
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() => {});
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} else {
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dialog = APP.UI.messageHandler.openMessageDialog(
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"dialog.shareVideoTitle",
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"dialog.alreadySharedVideoMsg",
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null,
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function () {
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dialog = null;
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}
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);
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JitsiMeetJS.analytics.sendEvent('sharedvideo.alreadyshared');
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}
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}
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/**
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* Shows the player component and starts the process that will be sending
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* updates, if we are the one shared the video.
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*
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* @param id the id of the sender of the command
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* @param url the video url
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* @param attributes
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*/
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onSharedVideoStart (id, url, attributes) {
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if (this.isSharedVideoShown)
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return;
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this.isSharedVideoShown = true;
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// the video url
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this.url = url;
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// the owner of the video
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this.from = id;
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this.mutedWithUserInteraction = APP.conference.isLocalAudioMuted();
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//listen for local audio mute events
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this.localAudioMutedListener = this.onLocalAudioMuted.bind(this);
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this.emitter.on(UIEvents.AUDIO_MUTED, this.localAudioMutedListener);
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// This code loads the IFrame Player API code asynchronously.
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var tag = document.createElement('script');
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tag.src = "https://www.youtube.com/iframe_api";
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var firstScriptTag = document.getElementsByTagName('script')[0];
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firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
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// sometimes we receive errors like player not defined
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// or player.pauseVideo is not a function
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// we need to operate with player after start playing
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// self.player will be defined once it start playing
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// and will process any initial attributes if any
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this.initialAttributes = attributes;
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var self = this;
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if(self.isPlayerAPILoaded)
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window.onYouTubeIframeAPIReady();
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else
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window.onYouTubeIframeAPIReady = function() {
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self.isPlayerAPILoaded = true;
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let showControls = APP.conference.isLocalId(self.from) ? 1 : 0;
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let p = new YT.Player('sharedVideoIFrame', {
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height: '100%',
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width: '100%',
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videoId: self.url,
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playerVars: {
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'origin': location.origin,
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'fs': '0',
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'autoplay': 0,
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'controls': showControls,
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'rel' : 0
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},
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events: {
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'onReady': onPlayerReady,
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'onStateChange': onPlayerStateChange,
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'onError': onPlayerError
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}
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});
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// add listener for volume changes
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p.addEventListener(
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"onVolumeChange", "onVolumeChange");
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if (APP.conference.isLocalId(self.from)){
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// adds progress listener that will be firing events
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// while we are paused and we change the progress of the
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// video (seeking forward or backward on the video)
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p.addEventListener(
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"onVideoProgress", "onVideoProgress");
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}
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};
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/**
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* Indicates that a change in state has occurred for the shared video.
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* @param event the event notifying us of the change
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*/
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window.onPlayerStateChange = function(event) {
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if (event.data == YT.PlayerState.PLAYING) {
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self.player = event.target;
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if(self.initialAttributes)
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{
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// If a network update has occurred already now is the
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// time to process it.
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self.processVideoUpdate(
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self.player,
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self.initialAttributes);
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self.initialAttributes = null;
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}
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self.smartAudioMute();
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} else if (event.data == YT.PlayerState.PAUSED) {
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self.smartAudioUnmute();
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JitsiMeetJS.analytics.sendEvent('sharedvideo.paused');
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}
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self.fireSharedVideoEvent(event.data == YT.PlayerState.PAUSED);
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};
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/**
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* Track player progress while paused.
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* @param event
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*/
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window.onVideoProgress = function (event) {
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let state = event.target.getPlayerState();
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if (state == YT.PlayerState.PAUSED) {
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self.fireSharedVideoEvent(true);
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}
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};
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/**
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* Gets notified for volume state changed.
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* @param event
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*/
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window.onVolumeChange = function (event) {
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self.fireSharedVideoEvent();
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// let's check, if player is not muted lets mute locally
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if(event.data.volume > 0 && !event.data.muted) {
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self.smartAudioMute();
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}
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else if (event.data.volume <=0 || event.data.muted) {
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self.smartAudioUnmute();
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}
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JitsiMeetJS.analytics.sendEvent('sharedvideo.volumechanged');
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};
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window.onPlayerReady = function(event) {
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let player = event.target;
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// do not relay on autoplay as it is not sending all of the events
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// in onPlayerStateChange
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player.playVideo();
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let thumb = new SharedVideoThumb(self.url);
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thumb.setDisplayName(player.getVideoData().title);
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VideoLayout.addRemoteVideoContainer(self.url, thumb);
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let iframe = player.getIframe();
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self.sharedVideo = new SharedVideoContainer(
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{url, iframe, player});
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//prevents pausing participants not sharing the video
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// to pause the video
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if (!APP.conference.isLocalId(self.from)) {
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$("#sharedVideo").css("pointer-events","none");
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}
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VideoLayout.addLargeVideoContainer(
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SHARED_VIDEO_CONTAINER_TYPE, self.sharedVideo);
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VideoLayout.handleVideoThumbClicked(self.url);
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// If we are sending the command and we are starting the player
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// we need to continuously send the player current time position
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if(APP.conference.isLocalId(self.from)) {
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self.intervalId = setInterval(
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self.fireSharedVideoEvent.bind(self),
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updateInterval);
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}
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};
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window.onPlayerError = function(event) {
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console.error("Error in the player:", event.data);
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// store the error player, so we can remove it
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self.errorInPlayer = event.target;
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};
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}
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/**
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* Process attributes, whether player needs to be paused or seek.
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* @param player the player to operate over
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* @param attributes the attributes with the player state we want
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*/
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processVideoUpdate (player, attributes)
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{
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if(!attributes)
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return;
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if (attributes.state == 'playing') {
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let isPlayerPaused
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= (this.player.getPlayerState() === YT.PlayerState.PAUSED);
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// If our player is currently paused force the seek.
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this.processTime(player, attributes, isPlayerPaused);
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// Process mute.
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let isAttrMuted = (attributes.muted === "true");
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if (player.isMuted() !== isAttrMuted) {
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this.smartPlayerMute(isAttrMuted, true);
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}
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// Process volume
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if (!isAttrMuted
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&& attributes.volume !== undefined
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&& player.getVolume() != attributes.volume) {
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player.setVolume(attributes.volume);
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console.info("Player change of volume:" + attributes.volume);
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this.showSharedVideoMutedPopup(false);
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}
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if (isPlayerPaused)
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player.playVideo();
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} else if (attributes.state == 'pause') {
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// if its not paused, pause it
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player.pauseVideo();
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this.processTime(player, attributes, true);
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}
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}
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/**
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* Check for time in attributes and if needed seek in current player
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* @param player the player to operate over
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* @param attributes the attributes with the player state we want
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* @param forceSeek whether seek should be forced
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*/
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processTime (player, attributes, forceSeek)
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{
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if(forceSeek) {
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console.info("Player seekTo:", attributes.time);
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player.seekTo(attributes.time);
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return;
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}
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// check received time and current time
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let currentPosition = player.getCurrentTime();
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let diff = Math.abs(attributes.time - currentPosition);
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// if we drift more than the interval for checking
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// sync, the interval is in milliseconds
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if(diff > updateInterval/1000) {
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console.info("Player seekTo:", attributes.time,
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" current time is:", currentPosition, " diff:", diff);
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player.seekTo(attributes.time);
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}
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}
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/**
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* Checks current state of the player and fire an event with the values.
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*/
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fireSharedVideoEvent(sendPauseEvent)
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{
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// ignore update checks if we are not the owner of the video
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// or there is still no player defined or we are stopped
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// (in a process of stopping)
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if(!APP.conference.isLocalId(this.from) || !this.player
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|| !this.isSharedVideoShown)
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return;
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let state = this.player.getPlayerState();
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// if its paused and haven't been pause - send paused
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if (state === YT.PlayerState.PAUSED && sendPauseEvent) {
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this.emitter.emit(UIEvents.UPDATE_SHARED_VIDEO,
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this.url, 'pause', this.player.getCurrentTime());
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}
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// if its playing and it was paused - send update with time
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// if its playing and was playing just send update with time
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else if (state === YT.PlayerState.PLAYING) {
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this.emitter.emit(UIEvents.UPDATE_SHARED_VIDEO,
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this.url, 'playing',
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this.player.getCurrentTime(),
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this.player.isMuted(),
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this.player.getVolume());
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}
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}
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/**
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* Updates video, if its not playing and needs starting or
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* if its playing and needs to be paysed
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* @param id the id of the sender of the command
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* @param url the video url
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* @param attributes
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*/
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onSharedVideoUpdate (id, url, attributes) {
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// if we are sending the event ignore
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if(APP.conference.isLocalId(this.from)) {
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return;
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}
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if(!this.isSharedVideoShown) {
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this.onSharedVideoStart(id, url, attributes);
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return;
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}
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if(!this.player)
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this.initialAttributes = attributes;
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else {
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this.processVideoUpdate(this.player, attributes);
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}
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}
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/**
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* Stop shared video if it is currently showed. If the user started the
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* shared video is the one in the id (called when user
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* left and we want to remove video if the user sharing it left).
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* @param id the id of the sender of the command
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*/
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onSharedVideoStop (id, attributes) {
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if (!this.isSharedVideoShown)
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return;
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if(this.from !== id)
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return;
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if(!this.player) {
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// if there is no error in the player till now,
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// store the initial attributes
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if (!this.errorInPlayer) {
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this.initialAttributes = attributes;
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return;
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}
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}
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this.emitter.removeListener(UIEvents.AUDIO_MUTED,
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this.localAudioMutedListener);
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this.localAudioMutedListener = null;
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VideoLayout.removeParticipantContainer(this.url);
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VideoLayout.showLargeVideoContainer(SHARED_VIDEO_CONTAINER_TYPE, false)
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.then(() => {
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VideoLayout.removeLargeVideoContainer(
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SHARED_VIDEO_CONTAINER_TYPE);
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if(this.player) {
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this.player.destroy();
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this.player = null;
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} // if there is an error in player, remove that instance
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else if (this.errorInPlayer) {
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this.errorInPlayer.destroy();
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this.errorInPlayer = null;
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}
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this.smartAudioUnmute();
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// revert to original behavior (prevents pausing
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// for participants not sharing the video to pause it)
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$("#sharedVideo").css("pointer-events","auto");
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});
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this.url = null;
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this.isSharedVideoShown = false;
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this.initialAttributes = null;
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}
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/**
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* Receives events for local audio mute/unmute by local user.
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* @param muted boolena whether it is muted or not.
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* @param {boolean} indicates if this mute was a result of user interaction,
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* i.e. pressing the mute button or it was programatically triggerred
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*/
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onLocalAudioMuted (muted, userInteraction) {
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if(!this.player)
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return;
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if (muted) {
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this.mutedWithUserInteraction = userInteraction;
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}
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else if (this.player.getPlayerState() !== YT.PlayerState.PAUSED) {
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this.smartPlayerMute(true, false);
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// Check if we need to update other participants
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this.fireSharedVideoEvent();
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}
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}
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/**
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* Mutes / unmutes the player.
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* @param mute true to mute the shared video, false - otherwise.
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* @param {boolean} Indicates if this mute is a consequence of a network
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* video update or is called locally.
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*/
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smartPlayerMute(mute, isVideoUpdate) {
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if (!this.player.isMuted() && mute) {
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this.player.mute();
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if (isVideoUpdate)
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this.smartAudioUnmute();
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}
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else if (this.player.isMuted() && !mute) {
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this.player.unMute();
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if (isVideoUpdate)
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this.smartAudioMute();
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}
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this.showSharedVideoMutedPopup(mute);
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}
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/**
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* Smart mike unmute. If the mike is currently muted and it wasn't muted
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* by the user via the mike button and the volume of the shared video is on
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* we're unmuting the mike automatically.
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*/
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smartAudioUnmute() {
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if (APP.conference.isLocalAudioMuted()
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&& !this.mutedWithUserInteraction
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&& !this.isSharedVideoVolumeOn()) {
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this.emitter.emit(UIEvents.AUDIO_MUTED, false, false);
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this.showMicMutedPopup(false);
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}
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}
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/**
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* Smart mike mute. If the mike isn't currently muted and the shared video
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* volume is on we mute the mike.
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*/
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smartAudioMute() {
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if (!APP.conference.isLocalAudioMuted()
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&& this.isSharedVideoVolumeOn()) {
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this.emitter.emit(UIEvents.AUDIO_MUTED, true, false);
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this.showMicMutedPopup(true);
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}
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}
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/**
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* Shows a popup under the microphone toolbar icon that notifies the user
|
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* of automatic mute after a shared video has started.
|
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* @param show boolean, show or hide the notification
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*/
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showMicMutedPopup (show) {
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if(show)
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this.showSharedVideoMutedPopup(false);
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UIUtil.animateShowElement($("#micMutedPopup"), show, 5000);
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}
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/**
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* Shows a popup under the shared video toolbar icon that notifies the user
|
|
* of automatic mute of the shared video after the user has unmuted their
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* mic.
|
|
* @param show boolean, show or hide the notification
|
|
*/
|
|
showSharedVideoMutedPopup (show) {
|
|
if(show)
|
|
this.showMicMutedPopup(false);
|
|
|
|
UIUtil.animateShowElement($("#sharedVideoMutedPopup"), show, 5000);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Container for shared video iframe.
|
|
*/
|
|
class SharedVideoContainer extends LargeContainer {
|
|
|
|
constructor ({url, iframe, player}) {
|
|
super();
|
|
|
|
this.$iframe = $(iframe);
|
|
this.url = url;
|
|
this.player = player;
|
|
}
|
|
|
|
show () {
|
|
let self = this;
|
|
return new Promise(resolve => {
|
|
this.$iframe.fadeIn(300, () => {
|
|
self.bodyBackground = document.body.style.background;
|
|
document.body.style.background = 'black';
|
|
this.$iframe.css({opacity: 1});
|
|
ToolbarToggler.dockToolbar(true);
|
|
resolve();
|
|
});
|
|
});
|
|
}
|
|
|
|
hide () {
|
|
let self = this;
|
|
ToolbarToggler.dockToolbar(false);
|
|
return new Promise(resolve => {
|
|
this.$iframe.fadeOut(300, () => {
|
|
document.body.style.background = self.bodyBackground;
|
|
this.$iframe.css({opacity: 0});
|
|
resolve();
|
|
});
|
|
});
|
|
}
|
|
|
|
onHoverIn () {
|
|
ToolbarToggler.showToolbar();
|
|
}
|
|
|
|
get id () {
|
|
return this.url;
|
|
}
|
|
|
|
resize (containerWidth, containerHeight) {
|
|
let height = containerHeight - FilmStrip.getFilmStripHeight();
|
|
|
|
let width = containerWidth;
|
|
|
|
this.$iframe.width(width).height(height);
|
|
}
|
|
|
|
/**
|
|
* @return {boolean} do not switch on dominant speaker event if on stage.
|
|
*/
|
|
stayOnStage () {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function SharedVideoThumb (url)
|
|
{
|
|
this.id = url;
|
|
|
|
this.url = url;
|
|
this.setVideoType(SHARED_VIDEO_CONTAINER_TYPE);
|
|
this.videoSpanId = "sharedVideoContainer";
|
|
this.container = this.createContainer(this.videoSpanId);
|
|
this.container.onclick = this.videoClick.bind(this);
|
|
this.bindHoverHandler();
|
|
SmallVideo.call(this, VideoLayout);
|
|
this.isVideoMuted = true;
|
|
}
|
|
SharedVideoThumb.prototype = Object.create(SmallVideo.prototype);
|
|
SharedVideoThumb.prototype.constructor = SharedVideoThumb;
|
|
|
|
/**
|
|
* hide display name
|
|
*/
|
|
|
|
SharedVideoThumb.prototype.setDeviceAvailabilityIcons = function () {};
|
|
|
|
SharedVideoThumb.prototype.avatarChanged = function () {};
|
|
|
|
SharedVideoThumb.prototype.createContainer = function (spanId) {
|
|
var container = document.createElement('span');
|
|
container.id = spanId;
|
|
container.className = 'videocontainer';
|
|
|
|
// add the avatar
|
|
var avatar = document.createElement('img');
|
|
avatar.className = 'sharedVideoAvatar';
|
|
avatar.src = "https://img.youtube.com/vi/" + this.url + "/0.jpg";
|
|
container.appendChild(avatar);
|
|
|
|
var remotes = document.getElementById('remoteVideos');
|
|
return remotes.appendChild(container);
|
|
};
|
|
|
|
/**
|
|
* The thumb click handler.
|
|
*/
|
|
SharedVideoThumb.prototype.videoClick = function () {
|
|
VideoLayout.handleVideoThumbClicked(this.url);
|
|
};
|
|
|
|
/**
|
|
* Removes RemoteVideo from the page.
|
|
*/
|
|
SharedVideoThumb.prototype.remove = function () {
|
|
console.log("Remove shared video thumb", this.id);
|
|
|
|
// Make sure that the large video is updated if are removing its
|
|
// corresponding small video.
|
|
this.VideoLayout.updateAfterThumbRemoved(this.id);
|
|
|
|
// Remove whole container
|
|
if (this.container.parentNode) {
|
|
this.container.parentNode.removeChild(this.container);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Sets the display name for the thumb.
|
|
*/
|
|
SharedVideoThumb.prototype.setDisplayName = function(displayName) {
|
|
if (!this.container) {
|
|
console.warn( "Unable to set displayName - " + this.videoSpanId +
|
|
" does not exist");
|
|
return;
|
|
}
|
|
|
|
var nameSpan = $('#' + this.videoSpanId + '>span.displayname');
|
|
|
|
// If we already have a display name for this video.
|
|
if (nameSpan.length > 0) {
|
|
if (displayName && displayName.length > 0) {
|
|
$('#' + this.videoSpanId + '_name').text(displayName);
|
|
}
|
|
} else {
|
|
nameSpan = document.createElement('span');
|
|
nameSpan.className = 'displayname';
|
|
$('#' + this.videoSpanId)[0].appendChild(nameSpan);
|
|
|
|
if (displayName && displayName.length > 0)
|
|
$(nameSpan).text(displayName);
|
|
nameSpan.id = this.videoSpanId + '_name';
|
|
}
|
|
|
|
};
|
|
|
|
/**
|
|
* Checks if given string is youtube url.
|
|
* @param {string} url string to check.
|
|
* @returns {boolean}
|
|
*/
|
|
function getYoutubeLink(url) {
|
|
let p = /^(?:https?:\/\/)?(?:www\.)?(?:youtu\.be\/|youtube\.com\/(?:embed\/|v\/|watch\?v=|watch\?.+&v=))((\w|-){11})(?:\S+)?$/;//jshint ignore:line
|
|
return (url.match(p)) ? RegExp.$1 : false;
|
|
}
|
|
|
|
/**
|
|
* Ask user if he want to close shared video.
|
|
*/
|
|
function showStopVideoPropmpt() {
|
|
return new Promise(function (resolve, reject) {
|
|
let submitFunction = function(e,v) {
|
|
if (v) {
|
|
resolve();
|
|
} else {
|
|
reject();
|
|
}
|
|
};
|
|
|
|
let closeFunction = function () {
|
|
dialog = null;
|
|
};
|
|
|
|
dialog = APP.UI.messageHandler.openTwoButtonDialog({
|
|
titleKey: "dialog.removeSharedVideoTitle",
|
|
msgKey: "dialog.removeSharedVideoMsg",
|
|
leftButtonKey: "dialog.Remove",
|
|
submitFunction,
|
|
closeFunction
|
|
});
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Ask user for shared video url to share with others.
|
|
* Dialog validates client input to allow only youtube urls.
|
|
*/
|
|
function requestVideoLink() {
|
|
let i18n = APP.translation;
|
|
const cancelButton = i18n.generateTranslationHTML("dialog.Cancel");
|
|
const shareButton = i18n.generateTranslationHTML("dialog.Share");
|
|
const backButton = i18n.generateTranslationHTML("dialog.Back");
|
|
const linkError
|
|
= i18n.generateTranslationHTML("dialog.shareVideoLinkError");
|
|
|
|
return new Promise(function (resolve, reject) {
|
|
dialog = APP.UI.messageHandler.openDialogWithStates({
|
|
state0: {
|
|
titleKey: "dialog.shareVideoTitle",
|
|
html: `
|
|
<input name="sharedVideoUrl" type="text"
|
|
data-i18n="[placeholder]defaultLink"
|
|
autofocus>`,
|
|
persistent: false,
|
|
buttons: [
|
|
{title: cancelButton, value: false},
|
|
{title: shareButton, value: true}
|
|
],
|
|
focus: ':input:first',
|
|
defaultButton: 1,
|
|
submit: function (e, v, m, f) {
|
|
e.preventDefault();
|
|
if (!v) {
|
|
reject('cancelled');
|
|
dialog.close();
|
|
return;
|
|
}
|
|
|
|
let sharedVideoUrl = f.sharedVideoUrl;
|
|
if (!sharedVideoUrl) {
|
|
return;
|
|
}
|
|
|
|
let urlValue = encodeURI(UIUtil.escapeHtml(sharedVideoUrl));
|
|
let yVideoId = getYoutubeLink(urlValue);
|
|
if (!yVideoId) {
|
|
dialog.goToState('state1');
|
|
return false;
|
|
}
|
|
|
|
resolve(yVideoId);
|
|
dialog.close();
|
|
}
|
|
},
|
|
|
|
state1: {
|
|
titleKey: "dialog.shareVideoTitle",
|
|
html: linkError,
|
|
persistent: false,
|
|
buttons: [
|
|
{title: cancelButton, value: false},
|
|
{title: backButton, value: true}
|
|
],
|
|
focus: ':input:first',
|
|
defaultButton: 1,
|
|
submit: function (e, v) {
|
|
e.preventDefault();
|
|
if (v === 0) {
|
|
reject();
|
|
dialog.close();
|
|
} else {
|
|
dialog.goToState('state0');
|
|
}
|
|
}
|
|
}
|
|
}, {
|
|
close: function () {
|
|
dialog = null;
|
|
}
|
|
}, {
|
|
url: defaultSharedVideoLink
|
|
});
|
|
});
|
|
}
|