483 lines
16 KiB
JavaScript
483 lines
16 KiB
JavaScript
/* global $, APP */
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const logger = require("jitsi-meet-logger").getLogger(__filename);
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import Avatar from "../avatar/Avatar";
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import {createDeferred} from '../../util/helpers';
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import UIEvents from "../../../service/UI/UIEvents";
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import UIUtil from "../util/UIUtil";
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import {VideoContainer, VIDEO_CONTAINER_TYPE} from "./VideoContainer";
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import AudioLevels from "../audio_levels/AudioLevels";
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/**
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* Manager for all Large containers.
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*/
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export default class LargeVideoManager {
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constructor (emitter) {
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/**
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* The map of <tt>LargeContainer</tt>s where the key is the video
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* container type.
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* @type {Object.<string, LargeContainer>}
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*/
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this.containers = {};
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this.eventEmitter = emitter;
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this.state = VIDEO_CONTAINER_TYPE;
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// FIXME: We are passing resizeContainer as parameter which is calling
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// Container.resize. Probably there's better way to implement this.
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this.videoContainer = new VideoContainer(
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() => this.resizeContainer(VIDEO_CONTAINER_TYPE), emitter);
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this.addContainer(VIDEO_CONTAINER_TYPE, this.videoContainer);
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// use the same video container to handle desktop tracks
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this.addContainer("desktop", this.videoContainer);
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this.width = 0;
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this.height = 0;
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this.$container = $('#largeVideoContainer');
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this.$container.css({
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display: 'inline-block'
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});
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this.$container.hover(
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e => this.onHoverIn(e),
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e => this.onHoverOut(e)
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);
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}
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onHoverIn (e) {
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if (!this.state) {
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return;
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}
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let container = this.getContainer(this.state);
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container.onHoverIn(e);
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}
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onHoverOut (e) {
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if (!this.state) {
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return;
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}
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let container = this.getContainer(this.state);
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container.onHoverOut(e);
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}
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/**
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* Called when the media connection has been interrupted.
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*/
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onVideoInterrupted () {
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this.enableLocalConnectionProblemFilter(true);
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this._setLocalConnectionMessage("connection.RECONNECTING");
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// Show the message only if the video is currently being displayed
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this.showLocalConnectionMessage(this.state === VIDEO_CONTAINER_TYPE);
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}
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/**
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* Called when the media connection has been restored.
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*/
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onVideoRestored () {
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this.enableLocalConnectionProblemFilter(false);
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this.showLocalConnectionMessage(false);
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}
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get id () {
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let container = this.getContainer(this.state);
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return container.id;
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}
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scheduleLargeVideoUpdate () {
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if (this.updateInProcess || !this.newStreamData) {
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return;
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}
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this.updateInProcess = true;
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// Include hide()/fadeOut only if we're switching between users
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const isUserSwitch = this.newStreamData.id != this.id;
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const container = this.getContainer(this.state);
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const preUpdate = isUserSwitch ? container.hide() : Promise.resolve();
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preUpdate.then(() => {
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const { id, stream, videoType, resolve } = this.newStreamData;
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this.newStreamData = null;
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logger.info("hover in %s", id);
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this.state = videoType;
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const container = this.getContainer(this.state);
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container.setStream(stream, videoType);
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// change the avatar url on large
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this.updateAvatar(Avatar.getAvatarUrl(id));
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// FIXME that does not really make sense, because the videoType
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// (camera or desktop) is a completely different thing than
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// the video container type (Etherpad, SharedVideo, VideoContainer).
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// ----------------------------------------------------------------
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// If we the continer is VIDEO_CONTAINER_TYPE, we need to check
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// its stream whether exist and is muted to set isVideoMuted
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// in rest of the cases it is false
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let showAvatar
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= (videoType === VIDEO_CONTAINER_TYPE)
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&& (!stream || stream.isMuted());
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// If the user's connection is disrupted then the avatar will be
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// displayed in case we have no video image cached. That is if
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// there was a user switch(image is lost on stream detach) or if
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// the video was not rendered, before the connection has failed.
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const isHavingConnectivityIssues
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= APP.conference.isParticipantConnectionActive(id) === false;
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if (videoType === VIDEO_CONTAINER_TYPE
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&& isHavingConnectivityIssues
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&& (isUserSwitch || !container.wasVideoRendered)) {
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showAvatar = true;
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}
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let promise;
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// do not show stream if video is muted
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// but we still should show watermark
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if (showAvatar) {
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this.showWatermark(true);
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// If the intention of this switch is to show the avatar
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// we need to make sure that the video is hidden
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promise = container.hide();
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} else {
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promise = container.show();
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}
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// show the avatar on large if needed
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container.showAvatar(showAvatar);
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// Clean up audio level after previous speaker.
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if (showAvatar) {
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this.updateLargeVideoAudioLevel(0);
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}
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// Make sure no notification about remote failure is shown as
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// its UI conflicts with the one for local connection interrupted.
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const isConnected = APP.conference.isConnectionInterrupted()
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|| !isHavingConnectivityIssues;
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this.updateParticipantConnStatusIndication(
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id,
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isConnected,
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(isHavingConnectivityIssues)
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? "connection.USER_CONNECTION_INTERRUPTED"
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: "connection.LOW_BANDWIDTH");
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// resolve updateLargeVideo promise after everything is done
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promise.then(resolve);
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return promise;
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}).then(() => {
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// after everything is done check again if there are any pending
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// new streams.
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this.updateInProcess = false;
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this.eventEmitter.emit(UIEvents.LARGE_VIDEO_ID_CHANGED, this.id);
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this.scheduleLargeVideoUpdate();
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});
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}
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/**
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* Shows/hides notification about participant's connectivity issues to be
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* shown on the large video area.
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*
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* @param {string} id the id of remote participant(MUC nickname)
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* @param {boolean} isConnected true if the connection is active or false
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* when the user is having connectivity issues.
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* @param {string} messageKey the i18n key of the message
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*
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* @private
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*/
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updateParticipantConnStatusIndication (id, isConnected, messageKey) {
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// Apply grey filter on the large video
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this.videoContainer.showRemoteConnectionProblemIndicator(!isConnected);
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if (isConnected) {
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// Hide the message
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this.showRemoteConnectionMessage(false);
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} else {
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// Get user's display name
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let displayName
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= APP.conference.getParticipantDisplayName(id);
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this._setRemoteConnectionMessage(
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messageKey,
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{ displayName: displayName });
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// Show it now only if the VideoContainer is on top
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this.showRemoteConnectionMessage(
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this.state === VIDEO_CONTAINER_TYPE);
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}
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}
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/**
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* Update large video.
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* Switches to large video even if previously other container was visible.
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* @param userID the userID of the participant associated with the stream
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* @param {JitsiTrack?} stream new stream
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* @param {string?} videoType new video type
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* @returns {Promise}
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*/
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updateLargeVideo (userID, stream, videoType) {
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if (this.newStreamData) {
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this.newStreamData.reject();
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}
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this.newStreamData = createDeferred();
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this.newStreamData.id = userID;
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this.newStreamData.stream = stream;
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this.newStreamData.videoType = videoType;
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this.scheduleLargeVideoUpdate();
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return this.newStreamData.promise;
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}
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/**
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* Update container size.
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*/
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updateContainerSize () {
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this.width = UIUtil.getAvailableVideoWidth();
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this.height = window.innerHeight;
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}
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/**
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* Resize Large container of specified type.
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* @param {string} type type of container which should be resized.
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* @param {boolean} [animate=false] if resize process should be animated.
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*/
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resizeContainer (type, animate = false) {
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let container = this.getContainer(type);
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container.resize(this.width, this.height, animate);
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}
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/**
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* Resize all Large containers.
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* @param {boolean} animate if resize process should be animated.
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*/
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resize (animate) {
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// resize all containers
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Object.keys(this.containers)
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.forEach(type => this.resizeContainer(type, animate));
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this.$container.animate({
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width: this.width,
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height: this.height
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}, {
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queue: false,
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duration: animate ? 500 : 0
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});
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}
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/**
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* Enables/disables the filter indicating a video problem to the user caused
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* by the problems with local media connection.
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*
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* @param enable <tt>true</tt> to enable, <tt>false</tt> to disable
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*/
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enableLocalConnectionProblemFilter (enable) {
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this.videoContainer.enableLocalConnectionProblemFilter(enable);
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}
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/**
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* Updates the src of the dominant speaker avatar
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*/
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updateAvatar (avatarUrl) {
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$("#dominantSpeakerAvatar").attr('src', avatarUrl);
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}
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/**
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* Updates the audio level indicator of the large video.
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*
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* @param lvl the new audio level to set
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*/
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updateLargeVideoAudioLevel (lvl) {
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AudioLevels.updateLargeVideoAudioLevel("dominantSpeaker", lvl);
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}
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/**
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* Show or hide watermark.
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* @param {boolean} show
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*/
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showWatermark (show) {
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$('.watermark').css('visibility', show ? 'visible' : 'hidden');
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}
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/**
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* Shows/hides the message indicating problems with local media connection.
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* @param {boolean|null} show(optional) tells whether the message is to be
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* displayed or not. If missing the condition will be based on the value
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* obtained from {@link APP.conference.isConnectionInterrupted}.
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*/
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showLocalConnectionMessage (show) {
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if (typeof show !== 'boolean') {
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show = APP.conference.isConnectionInterrupted();
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}
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let id = 'localConnectionMessage';
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UIUtil.setVisible(id, show);
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if (show) {
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// Avatar message conflicts with 'videoConnectionMessage',
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// so it must be hidden
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this.showRemoteConnectionMessage(false);
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}
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}
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/**
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* Shows hides the "avatar" message which is to be displayed either in
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* the middle of the screen or below the avatar image.
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*
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* @param {null|boolean} show (optional) <tt>true</tt> to show the avatar
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* message or <tt>false</tt> to hide it. If not provided then the connection
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* status of the user currently on the large video will be obtained form
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* "APP.conference" and the message will be displayed if the user's
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* connection is interrupted.
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*/
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showRemoteConnectionMessage (show) {
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if (typeof show !== 'boolean') {
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show = !APP.conference.isParticipantConnectionActive(this.id);
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}
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if (show) {
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$('#remoteConnectionMessage').css({display: "block"});
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// 'videoConnectionMessage' message conflicts with 'avatarMessage',
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// so it must be hidden
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this.showLocalConnectionMessage(false);
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} else {
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$('#remoteConnectionMessage').hide();
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}
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}
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/**
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* Updates the text which describes that the remote user is having
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* connectivity issues.
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*
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* @param {string} msgKey the translation key which will be used to get
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* the message text.
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* @param {object} msgOptions translation options object.
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*
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* @private
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*/
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_setRemoteConnectionMessage (msgKey, msgOptions) {
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if (msgKey) {
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$('#remoteConnectionMessage')
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.attr("data-i18n", msgKey)
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.attr("data-i18n-options", JSON.stringify(msgOptions));
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APP.translation.translateElement(
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$('#remoteConnectionMessage'), msgOptions);
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}
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this.videoContainer.positionRemoteConnectionMessage();
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}
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/**
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* Updated the text which is to be shown on the top of large video, when
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* local media connection is interrupted.
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*
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* @param {string} msgKey the translation key which will be used to get
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* the message text to be displayed on the large video.
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*
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* @private
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*/
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_setLocalConnectionMessage (msgKey) {
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$('#localConnectionMessage')
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.attr("data-i18n", msgKey);
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APP.translation.translateElement($('#localConnectionMessage'));
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}
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/**
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* Add container of specified type.
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* @param {string} type container type
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* @param {LargeContainer} container container to add.
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*/
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addContainer (type, container) {
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if (this.containers[type]) {
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throw new Error(`container of type ${type} already exist`);
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}
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this.containers[type] = container;
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this.resizeContainer(type);
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}
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/**
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* Get Large container of specified type.
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* @param {string} type container type.
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* @returns {LargeContainer}
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*/
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getContainer (type) {
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let container = this.containers[type];
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if (!container) {
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throw new Error(`container of type ${type} doesn't exist`);
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}
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return container;
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}
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/**
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* Remove Large container of specified type.
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* @param {string} type container type.
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*/
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removeContainer (type) {
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if (!this.containers[type]) {
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throw new Error(`container of type ${type} doesn't exist`);
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}
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delete this.containers[type];
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}
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/**
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* Show Large container of specified type.
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* Does nothing if such container is already visible.
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* @param {string} type container type.
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* @returns {Promise}
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*/
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showContainer (type) {
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if (this.state === type) {
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return Promise.resolve();
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}
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let oldContainer = this.containers[this.state];
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// FIXME when video is being replaced with other content we need to hide
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// companion icons/messages. It would be best if the container would
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// be taking care of it by itself, but that is a bigger refactoring
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if (this.state === VIDEO_CONTAINER_TYPE) {
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this.showWatermark(false);
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this.showLocalConnectionMessage(false);
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this.showRemoteConnectionMessage(false);
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}
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oldContainer.hide();
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this.state = type;
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let container = this.getContainer(type);
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return container.show().then(() => {
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if (type === VIDEO_CONTAINER_TYPE) {
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// FIXME when video appears on top of other content we need to
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// show companion icons/messages. It would be best if
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// the container would be taking care of it by itself, but that
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// is a bigger refactoring
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this.showWatermark(true);
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// "avatar" and "video connection" can not be displayed both
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// at the same time, but the latter is of higher priority and it
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// will hide the avatar one if will be displayed.
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this.showRemoteConnectionMessage(/* fetch the current state */);
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this.showLocalConnectionMessage(/* fetch the current state */);
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}
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});
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}
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/**
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* Changes the flipX state of the local video.
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* @param val {boolean} true if flipped.
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*/
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onLocalFlipXChange(val) {
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this.videoContainer.setLocalFlipX(val);
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}
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}
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