jiti-meet/modules/UI/videolayout/RemoteVideo.js

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JavaScript
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/* global $, APP, interfaceConfig */
import ConnectionIndicator from './ConnectionIndicator';
import SmallVideo from "./SmallVideo";
import AudioLevels from "../audio_levels/AudioLevels";
import UIUtils from "../util/UIUtil";
import UIEvents from '../../../service/UI/UIEvents';
function RemoteVideo(id, VideoLayout, emitter) {
this.id = id;
this.emitter = emitter;
this.videoSpanId = `participant_${id}`;
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this.VideoLayout = VideoLayout;
this.addRemoteVideoContainer();
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this.connectionIndicator = new ConnectionIndicator(this, id);
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this.setDisplayName();
var nickfield = document.createElement('span');
nickfield.className = "nick";
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nickfield.appendChild(document.createTextNode(id));
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this.container.appendChild(nickfield);
this.bindHoverHandler();
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this.flipX = false;
this.isLocal = false;
SmallVideo.call(this);
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}
RemoteVideo.prototype = Object.create(SmallVideo.prototype);
RemoteVideo.prototype.constructor = RemoteVideo;
RemoteVideo.prototype.addRemoteVideoContainer = function() {
this.container = RemoteVideo.createContainer(this.videoSpanId);
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if (APP.conference.isModerator) {
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this.addRemoteVideoMenu();
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}
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let {thumbWidth, thumbHeight} = this.VideoLayout.calculateThumbnailSize();
AudioLevels.updateAudioLevelCanvas(this.id, thumbWidth, thumbHeight);
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return this.container;
};
/**
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* Adds the remote video menu element for the given <tt>id</tt> in the
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* given <tt>parentElement</tt>.
*
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* @param id the id indicating the video for which we're adding a menu.
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* @param parentElement the parent element where this menu will be added
*/
if (!interfaceConfig.filmStripOnly) {
RemoteVideo.prototype.addRemoteVideoMenu = function () {
var spanElement = document.createElement('span');
spanElement.className = 'remotevideomenu';
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this.container.appendChild(spanElement);
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var menuElement = document.createElement('i');
menuElement.className = 'fa fa-angle-down';
menuElement.title = 'Remote user controls';
spanElement.appendChild(menuElement);
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var popupmenuElement = document.createElement('ul');
popupmenuElement.className = 'popupmenu';
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popupmenuElement.id = `remote_popupmenu_${this.id}`;
spanElement.appendChild(popupmenuElement);
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var muteMenuItem = document.createElement('li');
var muteLinkItem = document.createElement('a');
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var mutedIndicator = "<i style='float:left;' " +
"class='icon-mic-disabled'></i>";
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if (!this.isMuted) {
muteLinkItem.innerHTML = mutedIndicator +
" <div style='width: 90px;margin-left: 20px;' " +
"data-i18n='videothumbnail.domute'></div>";
muteLinkItem.className = 'mutelink';
}
else {
muteLinkItem.innerHTML = mutedIndicator +
" <div style='width: 90px;margin-left: 20px;' " +
"data-i18n='videothumbnail.muted'></div>";
muteLinkItem.className = 'mutelink disabled';
}
muteLinkItem.onclick = (event) => {
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if ($(this).attr('disabled')) {
event.preventDefault();
}
var isMute = !!this.isMuted;
this.emitter.emit(UIEvents.REMOTE_AUDIO_MUTED, this.id);
popupmenuElement.setAttribute('style', 'display:none;');
if (isMute) {
this.innerHTML = mutedIndicator +
" <div style='width: 90px;margin-left: 20px;' " +
"data-i18n='videothumbnail.muted'></div>";
this.className = 'mutelink disabled';
}
else {
this.innerHTML = mutedIndicator +
" <div style='width: 90px;margin-left: 20px;' " +
"data-i18n='videothumbnail.domute'></div>";
this.className = 'mutelink';
}
};
muteMenuItem.appendChild(muteLinkItem);
popupmenuElement.appendChild(muteMenuItem);
var ejectIndicator = "<i style='float:left;' class='fa fa-eject'></i>";
var ejectMenuItem = document.createElement('li');
var ejectLinkItem = document.createElement('a');
var ejectText = "<div style='width: 90px;margin-left: 20px;' " +
"data-i18n='videothumbnail.kick'>&nbsp;</div>";
ejectLinkItem.innerHTML = ejectIndicator + ' ' + ejectText;
ejectLinkItem.onclick = (event) => {
this.emitter.emit(UIEvents.USER_KICKED, this.id);
popupmenuElement.setAttribute('style', 'display:none;');
};
ejectMenuItem.appendChild(ejectLinkItem);
popupmenuElement.appendChild(ejectMenuItem);
var paddingSpan = document.createElement('span');
paddingSpan.className = 'popupmenuPadding';
popupmenuElement.appendChild(paddingSpan);
APP.translation.translateElement(
$("#" + popupmenuElement.id + " > li > a > div"));
};
} else {
RemoteVideo.prototype.addRemoteVideoMenu = function() {};
}
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/**
* Removes the remote stream element corresponding to the given stream and
* parent container.
*
* @param stream the MediaStream
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* @param isVideo <tt>true</tt> if given <tt>stream</tt> is a video one.
*/
RemoteVideo.prototype.removeRemoteStreamElement =
function (stream, isVideo, id) {
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if (!this.container)
return false;
var select = null;
if (isVideo) {
select = $('#' + id);
}
else
select = $('#' + this.videoSpanId + '>audio');
select.remove();
console.info((isVideo ? "Video" : "Audio") +
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" removed " + this.id, select);
if (isVideo)
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this.VideoLayout.updateRemovedVideo(this.id);
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};
/**
* Removes RemoteVideo from the page.
*/
RemoteVideo.prototype.remove = function () {
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console.log("Remove thumbnail", this.id);
this.removeConnectionIndicator();
// Make sure that the large video is updated if are removing its
// corresponding small video.
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this.VideoLayout.updateRemovedVideo(this.id);
// Remove whole container
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if (this.container.parentNode) {
this.container.parentNode.removeChild(this.container);
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}
};
RemoteVideo.prototype.waitForPlayback = function (streamElement, stream) {
var webRtcStream = stream.getOriginalStream();
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var isVideo = stream.isVideoTrack();
if (!isVideo || webRtcStream.id === 'mixedmslabel') {
return;
}
var self = this;
// Register 'onplaying' listener to trigger 'videoactive' on VideoLayout
// when video playback starts
var onPlayingHandler = function () {
self.VideoLayout.videoactive(streamElement, self.id);
streamElement.onplaying = null;
};
streamElement.onplaying = onPlayingHandler;
};
/**
* Checks whether or not video stream exists and has started for this
* RemoteVideo instance. This is checked by trying to select video element in
* this container and checking if 'currentTime' field's value is greater than 0.
*
* @returns {*|boolean} true if this RemoteVideo has active video stream running
*/
RemoteVideo.prototype.hasVideoStarted = function () {
var videoSelector = this.selectVideoElement();
return videoSelector.length && videoSelector[0].currentTime > 0;
};
RemoteVideo.prototype.addRemoteStreamElement = function (stream) {
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if (!this.container) {
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return;
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}
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let isVideo = stream.isVideoTrack();
isVideo ? this.videoStream = stream : this.audioStream = stream;
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// Add click handler.
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let onClickHandler = (event) => {
let source = event.target || event.srcElement;
// ignore click if it was done in popup menu
if ($(source).parents('.popupmenu').length === 0) {
this.VideoLayout.handleVideoThumbClicked(false, this.id);
}
// On IE we need to populate this handler on video <object>
// and it does not give event instance as an argument,
// so we check here for methods.
if (event.stopPropagation && event.preventDefault) {
event.stopPropagation();
event.preventDefault();
}
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return false;
};
this.container.onclick = onClickHandler;
if(!stream.getOriginalStream())
return;
let streamElement = SmallVideo.createStreamElement(stream);
let newElementId = streamElement.id;
// Put new stream element always in front
UIUtils.prependChild(this.container, streamElement);
// If we hide element when Temasys plugin is used then
// we'll never receive 'onplay' event and other logic won't work as expected
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// NOTE: hiding will not have effect when Temasys plugin is in use, as
// calling attach will show it back
$(streamElement).hide();
// If the container is currently visible we attach the stream to the element.
if (!isVideo || (this.container.offsetParent !== null && isVideo)) {
this.waitForPlayback(streamElement, stream);
streamElement = stream.attach(streamElement);
}
$(streamElement).click(onClickHandler);
},
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/**
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* Show/hide peer container for the given id.
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*/
RemoteVideo.prototype.showPeerContainer = function (state) {
if (!this.container)
return;
var isHide = state === 'hide';
var resizeThumbnails = false;
if (!isHide) {
if (!$(this.container).is(':visible')) {
resizeThumbnails = true;
$(this.container).show();
}
// Call updateView, so that we'll figure out if avatar
// should be displayed based on video muted status and whether or not
// it's in the lastN set
this.updateView();
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}
else if ($(this.container).is(':visible') && isHide)
{
resizeThumbnails = true;
$(this.container).hide();
if(this.connectionIndicator)
this.connectionIndicator.hide();
}
if (resizeThumbnails) {
this.VideoLayout.resizeThumbnails();
}
// We want to be able to pin a participant from the contact list, even
// if he's not in the lastN set!
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// ContactList.setClickable(id, !isHide);
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};
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RemoteVideo.prototype.updateResolution = function (resolution) {
if (this.connectionIndicator) {
this.connectionIndicator.updateResolution(resolution);
}
};
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RemoteVideo.prototype.removeConnectionIndicator = function () {
if (this.connectionIndicator)
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this.connectionIndicator.remove();
};
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RemoteVideo.prototype.hideConnectionIndicator = function () {
if (this.connectionIndicator)
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this.connectionIndicator.hide();
};
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/**
* Updates the remote video menu.
*
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* @param id the id indicating the video for which we're adding a menu.
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* @param isMuted indicates the current mute state
*/
RemoteVideo.prototype.updateRemoteVideoMenu = function (isMuted) {
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var muteMenuItem = $(`#remote_popupmenu_${this.id}>li>a.mutelink`);
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var mutedIndicator = "<i class='icon-mic-disabled'></i>";
if (muteMenuItem.length) {
var muteLink = muteMenuItem.get(0);
if (isMuted) {
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muteLink.innerHTML = mutedIndicator + ' Muted';
muteLink.className = 'mutelink disabled';
}
else {
muteLink.innerHTML = mutedIndicator + ' Mute';
muteLink.className = 'mutelink';
}
}
};
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/**
* Sets the display name for the given video span id.
*/
RemoteVideo.prototype.setDisplayName = function(displayName, key) {
if (!this.container) {
console.warn( "Unable to set displayName - " + this.videoSpanId +
" does not exist");
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return;
}
var nameSpan = $('#' + this.videoSpanId + '>span.displayname');
// If we already have a display name for this video.
if (nameSpan.length > 0) {
if (displayName && displayName.length > 0) {
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$('#' + this.videoSpanId + '_name').html(displayName);
}
else if (key && key.length > 0) {
var nameHtml = APP.translation.generateTranslationHTML(key);
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$('#' + this.videoSpanId + '_name').html(nameHtml);
}
else
$('#' + this.videoSpanId + '_name').text(
interfaceConfig.DEFAULT_REMOTE_DISPLAY_NAME);
} else {
nameSpan = document.createElement('span');
nameSpan.className = 'displayname';
$('#' + this.videoSpanId)[0].appendChild(nameSpan);
if (displayName && displayName.length > 0) {
nameSpan.innerHTML = displayName;
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}
else
nameSpan.innerHTML = interfaceConfig.DEFAULT_REMOTE_DISPLAY_NAME;
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nameSpan.id = this.videoSpanId + '_name';
}
};
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/**
* Removes remote video menu element from video element identified by
* given <tt>videoElementId</tt>.
*
* @param videoElementId the id of local or remote video element.
*/
RemoteVideo.prototype.removeRemoteVideoMenu = function() {
var menuSpan = $('#' + this.videoSpanId + '>span.remotevideomenu');
if (menuSpan.length) {
menuSpan.remove();
}
};
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RemoteVideo.createContainer = function (spanId) {
var container = document.createElement('span');
container.id = spanId;
container.className = 'videocontainer';
var remotes = document.getElementById('remoteVideos');
return remotes.appendChild(container);
};
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export default RemoteVideo;