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+/* global $, APP, YT, onPlayerReady, onPlayerStateChange, onPlayerError */
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+
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+import messageHandler from '../util/MessageHandler';
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+import UIUtil from '../util/UIUtil';
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+import UIEvents from '../../../service/UI/UIEvents';
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+
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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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+
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+export const SHARED_VIDEO_CONTAINER_TYPE = "sharedvideo";
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+
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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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+
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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.updateInterval = 5000; // milliseconds
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+ }
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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(!this.isSharedVideoShown) {
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+ requestVideoLink().then(
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+ url => this.emitter.emit(
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+ UIEvents.UPDATE_SHARED_VIDEO, url, 'start'),
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+ err => console.error('SHARED VIDEO CANCELED', err)
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+ );
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+ return;
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+ }
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+
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+ showStopVideoPropmpt().then(() =>
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+ this.emitter.emit(UIEvents.UPDATE_SHARED_VIDEO, null, 'stop'));
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+ }
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+
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+ /**
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+ * Shows the player component and starts the checking function
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+ * that will be sending updates, if we are the one shared the video
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+ * @param url the video url
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+ * @param attributes
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+ */
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+ showSharedVideo (url, attributes) {
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+ if (this.isSharedVideoShown)
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+ return;
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+
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+ // the video url
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+ this.url = url;
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+
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+ // the owner of the video
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+ this.from = attributes.from;
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+
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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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+
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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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+
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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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+ self.player = 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': 1,
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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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+ };
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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.playerPaused = false;
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+ self.updateCheck();
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+ } else if (event.data == YT.PlayerState.PAUSED) {
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+ self.playerPaused = true;
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+ self.updateCheck(true);
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+ }
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+ };
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+
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+ window.onPlayerReady = function(event) {
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+ let player = event.target;
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+ player.playVideo();
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+
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+ let thumb = new SharedVideoThumb(self.url);
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+ thumb.setDisplayName(player.getVideoData().title);
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+ VideoLayout.addParticipantContainer(self.url, thumb);
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+
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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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+
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+ VideoLayout.addLargeVideoContainer(
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+ SHARED_VIDEO_CONTAINER_TYPE, self.sharedVideo);
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+ VideoLayout.handleVideoThumbClicked(true, self.url);
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+
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+ self.isSharedVideoShown = true;
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+
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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.updateCheck.bind(self),
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+ self.updateInterval);
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+ }
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+
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+ // set initial state of the player if there is enough information
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+ if(attributes.state === 'pause')
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+ player.pauseVideo();
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+ else if(attributes.time > 0) {
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+ console.log("Player seekTo:", attributes.time);
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+ player.seekTo(attributes.time);
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+ }
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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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+ };
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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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+ updateCheck(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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+ if(!APP.conference.isLocalId(this.from))
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+ return;
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+
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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');
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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() ? 0 : this.player.getVolume());
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+ }
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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 url the video url
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+ * @param attributes
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+ */
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+ updateSharedVideo (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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+
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+ if (attributes.state == 'playing') {
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+
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+ if(!this.isSharedVideoShown) {
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+ this.showSharedVideo(url, attributes);
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+ return;
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+ }
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+
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+ // ocasionally we get this.player.getCurrentTime is not a function
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+ // it seems its that player hasn't really loaded
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+ if(!this.player || !this.player.getCurrentTime
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+ || !this.player.pauseVideo
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+ || !this.player.playVideo
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+ || !this.player.getVolume
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+ || !this.player.seekTo
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+ || !this.player.getVolume)
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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 = this.player.getCurrentTime();
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+ let diff = Math.abs(attributes.time - currentPosition);
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+
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+ // if we drift more than two times of the interval for checking
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+ // sync, the interval is in milliseconds
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+ if(diff > this.updateInterval*2/1000) {
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+ console.log("Player seekTo:", attributes.time,
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+ " current time is:", currentPosition, " diff:", diff);
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+ this.player.seekTo(attributes.time);
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+ }
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+
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+ // lets check the volume
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+ if (attributes.volume !== undefined &&
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+ this.player.getVolume() != attributes.volume) {
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+ this.player.setVolume(attributes.volume);
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+ console.log("Player change of volume:" + attributes.volume);
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+ }
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+
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+ if(this.playerPaused)
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+ this.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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+ if(this.isSharedVideoShown) {
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+ this.player.pauseVideo();
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+ }
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+ else {
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+ // if not shown show it, passing attributes so it can
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+ // be shown paused
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+ this.showSharedVideo(url, attributes);
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+ }
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+ }
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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 attributes.from (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 attributes
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+ */
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+ stopSharedVideo (attributes) {
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+ if (!this.isSharedVideoShown)
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+ return;
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+
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+ if(this.from !== attributes.from)
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+ return;
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+
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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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+
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+ VideoLayout.removeParticipantContainer(this.url);
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+
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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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+
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+ this.player.destroy();
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+ this.player = null;
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+ });
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+
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+ this.url = null;
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+ this.isSharedVideoShown = false;
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+ }
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+}
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+
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+/**
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+ * Container for shared video iframe.
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+ */
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+class SharedVideoContainer extends LargeContainer {
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+
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+ constructor ({url, iframe, player}) {
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+ super();
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+
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+ this.$iframe = $(iframe);
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+ this.url = url;
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+ this.player = player;
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+ }
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+
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+ get $video () {
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+ return this.$iframe;
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+ }
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+
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+ show () {
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+ return new Promise(resolve => {
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+ this.$iframe.fadeIn(300, () => {
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+ this.$iframe.css({opacity: 1});
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+ resolve();
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+ });
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+ });
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+ }
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+
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+ hide () {
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+ return new Promise(resolve => {
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+ this.$iframe.fadeOut(300, () => {
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+ this.$iframe.css({opacity: 0});
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+ resolve();
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+ });
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+ });
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+ }
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+
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+ onHoverIn () {
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+ ToolbarToggler.showToolbar();
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+ }
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+
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+ get id () {
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+ return this.url;
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+ }
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+
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+ resize (containerWidth, containerHeight) {
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+ let height = containerHeight - FilmStrip.getFilmStripHeight();
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+
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+ let width = containerWidth;
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+
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+ this.$iframe.width(width).height(height);
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+ }
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+
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+ /**
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+ * @return {boolean} do not switch on dominant speaker event if on stage.
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+ */
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+ stayOnStage () {
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+ return false;
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+ }
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+}
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+
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+function SharedVideoThumb (url)
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+{
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+ this.id = url;
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333
|
+
|
|
|
334
|
+ this.url = url;
|
|
|
335
|
+ this.setVideoType(SHARED_VIDEO_CONTAINER_TYPE);
|
|
|
336
|
+ this.videoSpanId = "sharedVideoContainer";
|
|
|
337
|
+ this.container = this.createContainer(this.videoSpanId);
|
|
|
338
|
+ this.container.onclick = this.videoClick.bind(this);
|
|
|
339
|
+ this.bindHoverHandler();
|
|
|
340
|
+
|
|
|
341
|
+ SmallVideo.call(this, VideoLayout);
|
|
|
342
|
+ this.isVideoMuted = true;
|
|
|
343
|
+}
|
|
|
344
|
+SharedVideoThumb.prototype = Object.create(SmallVideo.prototype);
|
|
|
345
|
+SharedVideoThumb.prototype.constructor = SharedVideoThumb;
|
|
|
346
|
+
|
|
|
347
|
+/**
|
|
|
348
|
+ * hide display name
|
|
|
349
|
+ */
|
|
|
350
|
+
|
|
|
351
|
+SharedVideoThumb.prototype.setDeviceAvailabilityIcons = function () {};
|
|
|
352
|
+
|
|
|
353
|
+SharedVideoThumb.prototype.avatarChanged = function () {};
|
|
|
354
|
+
|
|
|
355
|
+SharedVideoThumb.prototype.createContainer = function (spanId) {
|
|
|
356
|
+ var container = document.createElement('span');
|
|
|
357
|
+ container.id = spanId;
|
|
|
358
|
+ container.className = 'videocontainer';
|
|
|
359
|
+
|
|
|
360
|
+ // add the avatar
|
|
|
361
|
+ var avatar = document.createElement('img');
|
|
|
362
|
+ avatar.id = 'avatar_' + this.id;
|
|
|
363
|
+ avatar.className = 'sharedVideoAvatar';
|
|
|
364
|
+ avatar.src = "https://img.youtube.com/vi/" + this.url + "/0.jpg";
|
|
|
365
|
+ container.appendChild(avatar);
|
|
|
366
|
+
|
|
|
367
|
+ var remotes = document.getElementById('remoteVideos');
|
|
|
368
|
+ return remotes.appendChild(container);
|
|
|
369
|
+};
|
|
|
370
|
+
|
|
|
371
|
+/**
|
|
|
372
|
+ * The thumb click handler.
|
|
|
373
|
+ */
|
|
|
374
|
+SharedVideoThumb.prototype.videoClick = function () {
|
|
|
375
|
+ VideoLayout.handleVideoThumbClicked(true, this.url);
|
|
|
376
|
+};
|
|
|
377
|
+
|
|
|
378
|
+/**
|
|
|
379
|
+ * Removes RemoteVideo from the page.
|
|
|
380
|
+ */
|
|
|
381
|
+SharedVideoThumb.prototype.remove = function () {
|
|
|
382
|
+ console.log("Remove shared video thumb", this.id);
|
|
|
383
|
+
|
|
|
384
|
+ // Make sure that the large video is updated if are removing its
|
|
|
385
|
+ // corresponding small video.
|
|
|
386
|
+ this.VideoLayout.updateRemovedVideo(this.id);
|
|
|
387
|
+
|
|
|
388
|
+ // Remove whole container
|
|
|
389
|
+ if (this.container.parentNode) {
|
|
|
390
|
+ this.container.parentNode.removeChild(this.container);
|
|
|
391
|
+ }
|
|
|
392
|
+};
|
|
|
393
|
+
|
|
|
394
|
+/**
|
|
|
395
|
+ * Sets the display name for the thumb.
|
|
|
396
|
+ */
|
|
|
397
|
+SharedVideoThumb.prototype.setDisplayName = function(displayName) {
|
|
|
398
|
+ if (!this.container) {
|
|
|
399
|
+ console.warn( "Unable to set displayName - " + this.videoSpanId +
|
|
|
400
|
+ " does not exist");
|
|
|
401
|
+ return;
|
|
|
402
|
+ }
|
|
|
403
|
+
|
|
|
404
|
+ var nameSpan = $('#' + this.videoSpanId + '>span.displayname');
|
|
|
405
|
+
|
|
|
406
|
+ // If we already have a display name for this video.
|
|
|
407
|
+ if (nameSpan.length > 0) {
|
|
|
408
|
+ if (displayName && displayName.length > 0) {
|
|
|
409
|
+ $('#' + this.videoSpanId + '_name').text(displayName);
|
|
|
410
|
+ }
|
|
|
411
|
+ } else {
|
|
|
412
|
+ nameSpan = document.createElement('span');
|
|
|
413
|
+ nameSpan.className = 'displayname';
|
|
|
414
|
+ $('#' + this.videoSpanId)[0].appendChild(nameSpan);
|
|
|
415
|
+
|
|
|
416
|
+ if (displayName && displayName.length > 0)
|
|
|
417
|
+ $(nameSpan).text(displayName);
|
|
|
418
|
+ nameSpan.id = this.videoSpanId + '_name';
|
|
|
419
|
+ }
|
|
|
420
|
+
|
|
|
421
|
+};
|
|
|
422
|
+
|
|
|
423
|
+/**
|
|
|
424
|
+ * Checks if given string is youtube url.
|
|
|
425
|
+ * @param {string} url string to check.
|
|
|
426
|
+ * @returns {boolean}
|
|
|
427
|
+ */
|
|
|
428
|
+function getYoutubeLink(url) {
|
|
|
429
|
+ let p = /^(?:https?:\/\/)?(?:www\.)?(?:youtu\.be\/|youtube\.com\/(?:embed\/|v\/|watch\?v=|watch\?.+&v=))((\w|-){11})(?:\S+)?$/;//jshint ignore:line
|
|
|
430
|
+ return (url.match(p)) ? RegExp.$1 : false;
|
|
|
431
|
+}
|
|
|
432
|
+
|
|
|
433
|
+/**
|
|
|
434
|
+ * Ask user if he want to close shared video.
|
|
|
435
|
+ */
|
|
|
436
|
+function showStopVideoPropmpt() {
|
|
|
437
|
+ return new Promise(function (resolve, reject) {
|
|
|
438
|
+ messageHandler.openTwoButtonDialog(
|
|
|
439
|
+ "dialog.removeSharedVideoTitle",
|
|
|
440
|
+ null,
|
|
|
441
|
+ "dialog.removeSharedVideoMsg",
|
|
|
442
|
+ null,
|
|
|
443
|
+ false,
|
|
|
444
|
+ "dialog.Remove",
|
|
|
445
|
+ function(e,v,m,f) {
|
|
|
446
|
+ if (v) {
|
|
|
447
|
+ resolve();
|
|
|
448
|
+ } else {
|
|
|
449
|
+ reject();
|
|
|
450
|
+ }
|
|
|
451
|
+ }
|
|
|
452
|
+ );
|
|
|
453
|
+
|
|
|
454
|
+ });
|
|
|
455
|
+}
|
|
|
456
|
+
|
|
|
457
|
+/**
|
|
|
458
|
+ * Ask user for shared video url to share with others.
|
|
|
459
|
+ * Dialog validates client input to allow only youtube urls.
|
|
|
460
|
+ */
|
|
|
461
|
+function requestVideoLink() {
|
|
|
462
|
+ let i18n = APP.translation;
|
|
|
463
|
+ const title = i18n.generateTranslationHTML("dialog.shareVideoTitle");
|
|
|
464
|
+ const cancelButton = i18n.generateTranslationHTML("dialog.Cancel");
|
|
|
465
|
+ const shareButton = i18n.generateTranslationHTML("dialog.Share");
|
|
|
466
|
+ const backButton = i18n.generateTranslationHTML("dialog.Back");
|
|
|
467
|
+ const linkError
|
|
|
468
|
+ = i18n.generateTranslationHTML("dialog.shareVideoLinkError");
|
|
|
469
|
+ const i18nOptions = {url: defaultSharedVideoLink};
|
|
|
470
|
+ const defaultUrl = i18n.translateString("defaultLink", i18nOptions);
|
|
|
471
|
+
|
|
|
472
|
+ return new Promise(function (resolve, reject) {
|
|
|
473
|
+ let dialog = messageHandler.openDialogWithStates({
|
|
|
474
|
+ state0: {
|
|
|
475
|
+ html: `
|
|
|
476
|
+ <h2>${title}</h2>
|
|
|
477
|
+ <input name="sharedVideoUrl" type="text"
|
|
|
478
|
+ data-i18n="[placeholder]defaultLink"
|
|
|
479
|
+ data-i18n-options="${JSON.stringify(i18nOptions)}"
|
|
|
480
|
+ placeholder="${defaultUrl}"
|
|
|
481
|
+ autofocus>`,
|
|
|
482
|
+ persistent: false,
|
|
|
483
|
+ buttons: [
|
|
|
484
|
+ {title: cancelButton, value: false},
|
|
|
485
|
+ {title: shareButton, value: true}
|
|
|
486
|
+ ],
|
|
|
487
|
+ focus: ':input:first',
|
|
|
488
|
+ defaultButton: 1,
|
|
|
489
|
+ submit: function (e, v, m, f) {
|
|
|
490
|
+ e.preventDefault();
|
|
|
491
|
+ if (!v) {
|
|
|
492
|
+ reject('cancelled');
|
|
|
493
|
+ dialog.close();
|
|
|
494
|
+ return;
|
|
|
495
|
+ }
|
|
|
496
|
+
|
|
|
497
|
+ let sharedVideoUrl = f.sharedVideoUrl;
|
|
|
498
|
+ if (!sharedVideoUrl) {
|
|
|
499
|
+ return;
|
|
|
500
|
+ }
|
|
|
501
|
+
|
|
|
502
|
+ let urlValue = encodeURI(UIUtil.escapeHtml(sharedVideoUrl));
|
|
|
503
|
+ let yVideoId = getYoutubeLink(urlValue);
|
|
|
504
|
+ if (!yVideoId) {
|
|
|
505
|
+ dialog.goToState('state1');
|
|
|
506
|
+ return false;
|
|
|
507
|
+ }
|
|
|
508
|
+
|
|
|
509
|
+ resolve(yVideoId);
|
|
|
510
|
+ dialog.close();
|
|
|
511
|
+ }
|
|
|
512
|
+ },
|
|
|
513
|
+
|
|
|
514
|
+ state1: {
|
|
|
515
|
+ html: `<h2>${title}</h2> ${linkError}`,
|
|
|
516
|
+ persistent: false,
|
|
|
517
|
+ buttons: [
|
|
|
518
|
+ {title: cancelButton, value: false},
|
|
|
519
|
+ {title: backButton, value: true}
|
|
|
520
|
+ ],
|
|
|
521
|
+ focus: ':input:first',
|
|
|
522
|
+ defaultButton: 1,
|
|
|
523
|
+ submit: function (e, v, m, f) {
|
|
|
524
|
+ e.preventDefault();
|
|
|
525
|
+ if (v === 0) {
|
|
|
526
|
+ reject();
|
|
|
527
|
+ dialog.close();
|
|
|
528
|
+ } else {
|
|
|
529
|
+ dialog.goToState('state0');
|
|
|
530
|
+ }
|
|
|
531
|
+ }
|
|
|
532
|
+ }
|
|
|
533
|
+ });
|
|
|
534
|
+
|
|
|
535
|
+ });
|
|
|
536
|
+}
|
|
|
537
|
+
|
yanas
il y a 9 ans