1440 lines
51 KiB
JavaScript
1440 lines
51 KiB
JavaScript
var VideoLayout = (function (my) {
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var currentDominantSpeaker = null;
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var lastNCount = config.channelLastN;
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var lastNEndpointsCache = [];
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var largeVideoState = {
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updateInProgress: false,
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newSrc: ''
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};
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my.changeLocalAudio = function(stream) {
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connection.jingle.localAudio = stream;
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RTC.attachMediaStream($('#localAudio'), stream);
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document.getElementById('localAudio').autoplay = true;
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document.getElementById('localAudio').volume = 0;
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};
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my.changeLocalVideo = function(stream, flipX) {
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connection.jingle.localVideo = stream;
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var localVideo = document.createElement('video');
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localVideo.id = 'localVideo_' + stream.id;
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localVideo.autoplay = true;
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localVideo.volume = 0; // is it required if audio is separated ?
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localVideo.oncontextmenu = function () { return false; };
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var localVideoContainer = document.getElementById('localVideoWrapper');
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localVideoContainer.appendChild(localVideo);
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// Set default display name.
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setDisplayName('localVideoContainer');
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AudioLevels.updateAudioLevelCanvas();
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var localVideoSelector = $('#' + localVideo.id);
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// Add click handler to both video and video wrapper elements in case
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// there's no video.
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localVideoSelector.click(function () {
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VideoLayout.handleVideoThumbClicked(localVideo.src);
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});
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$('#localVideoContainer').click(function () {
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VideoLayout.handleVideoThumbClicked(localVideo.src);
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});
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// Add hover handler
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$('#localVideoContainer').hover(
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function() {
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VideoLayout.showDisplayName('localVideoContainer', true);
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},
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function() {
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if (!VideoLayout.isLargeVideoVisible()
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|| localVideo.src !== $('#largeVideo').attr('src'))
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VideoLayout.showDisplayName('localVideoContainer', false);
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}
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);
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// Add stream ended handler
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stream.onended = function () {
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localVideoContainer.removeChild(localVideo);
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VideoLayout.updateRemovedVideo(localVideo.src);
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};
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// Flip video x axis if needed
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flipXLocalVideo = flipX;
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if (flipX) {
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localVideoSelector.addClass("flipVideoX");
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}
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// Attach WebRTC stream
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var simulcast = new Simulcast();
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var videoStream = simulcast.getLocalVideoStream();
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RTC.attachMediaStream(localVideoSelector, videoStream);
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localVideoSrc = localVideo.src;
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VideoLayout.updateLargeVideo(localVideoSrc, 0);
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};
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/**
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* Checks if removed video is currently displayed and tries to display
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* another one instead.
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* @param removedVideoSrc src stream identifier of the video.
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*/
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my.updateRemovedVideo = function(removedVideoSrc) {
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if (removedVideoSrc === $('#largeVideo').attr('src')) {
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// this is currently displayed as large
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// pick the last visible video in the row
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// if nobody else is left, this picks the local video
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var pick
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= $('#remoteVideos>span[id!="mixedstream"]:visible:last>video')
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.get(0);
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if (!pick) {
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console.info("Last visible video no longer exists");
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pick = $('#remoteVideos>span[id!="mixedstream"]>video').get(0);
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if (!pick || !pick.src) {
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// Try local video
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console.info("Fallback to local video...");
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pick = $('#remoteVideos>span>span>video').get(0);
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}
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}
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// mute if localvideo
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if (pick) {
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VideoLayout.updateLargeVideo(pick.src, pick.volume);
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} else {
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console.warn("Failed to elect large video");
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}
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}
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};
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/**
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* Updates the large video with the given new video source.
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*/
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my.updateLargeVideo = function(newSrc, vol) {
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console.log('hover in', newSrc);
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if ($('#largeVideo').attr('src') != newSrc) {
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// Due to the simulcast the localVideoSrc may have changed when the
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// fadeOut event triggers. In that case the getJidFromVideoSrc and
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// isVideoSrcDesktop methods will not function correctly.
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//
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// Also, again due to the simulcast, the updateLargeVideo method can
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// be called multiple times almost simultaneously. Therefore, we
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// store the state here and update only once.
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largeVideoState.newSrc = newSrc;
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largeVideoState.isVisible = $('#largeVideo').is(':visible');
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largeVideoState.isDesktop = isVideoSrcDesktop(newSrc);
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largeVideoState.userJid = getJidFromVideoSrc(newSrc);
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// Screen stream is already rotated
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largeVideoState.flipX = (newSrc === localVideoSrc) && flipXLocalVideo;
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var oldSrc = $('#largeVideo').attr('src');
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largeVideoState.oldJid = getJidFromVideoSrc(oldSrc);
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var fade = false;
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if (largeVideoState.oldJid != largeVideoState.userJid) {
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fade = true;
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// we want the notification to trigger even if userJid is undefined,
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// or null.
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$(document).trigger("selectedendpointchanged", [largeVideoState.userJid]);
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}
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if (!largeVideoState.updateInProgress) {
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largeVideoState.updateInProgress = true;
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var doUpdate = function () {
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$('#largeVideo').attr('src', largeVideoState.newSrc);
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var videoTransform = document.getElementById('largeVideo')
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.style.webkitTransform;
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if (largeVideoState.flipX && videoTransform !== 'scaleX(-1)') {
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document.getElementById('largeVideo').style.webkitTransform
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= "scaleX(-1)";
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}
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else if (!largeVideoState.flipX && videoTransform === 'scaleX(-1)') {
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document.getElementById('largeVideo').style.webkitTransform
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= "none";
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}
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// Change the way we'll be measuring and positioning large video
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getVideoSize = largeVideoState.isDesktop
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? getDesktopVideoSize
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: getCameraVideoSize;
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getVideoPosition = largeVideoState.isDesktop
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? getDesktopVideoPosition
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: getCameraVideoPosition;
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if (largeVideoState.isVisible) {
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// Only if the large video is currently visible.
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// Disable previous dominant speaker video.
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if (largeVideoState.oldJid) {
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var oldResourceJid = Strophe.getResourceFromJid(largeVideoState.oldJid);
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VideoLayout.enableDominantSpeaker(oldResourceJid, false);
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}
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// Enable new dominant speaker in the remote videos section.
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if (largeVideoState.userJid) {
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var resourceJid = Strophe.getResourceFromJid(largeVideoState.userJid);
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VideoLayout.enableDominantSpeaker(resourceJid, true);
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}
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largeVideoState.updateInProgress = false;
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if (fade) {
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// using "this" should be ok because we're called
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// from within the fadeOut event.
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$(this).fadeIn(300);
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}
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}
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};
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if (fade) {
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$('#largeVideo').fadeOut(300, doUpdate);
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} else {
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doUpdate();
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}
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}
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}
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};
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my.handleVideoThumbClicked = function(videoSrc) {
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// Restore style for previously focused video
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var focusJid = getJidFromVideoSrc(focusedVideoSrc);
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var oldContainer = getParticipantContainer(focusJid);
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if (oldContainer) {
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oldContainer.removeClass("videoContainerFocused");
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}
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// Unlock current focused.
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if (focusedVideoSrc === videoSrc)
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{
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focusedVideoSrc = null;
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var dominantSpeakerVideo = null;
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// Enable the currently set dominant speaker.
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if (currentDominantSpeaker) {
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dominantSpeakerVideo
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= $('#participant_' + currentDominantSpeaker + '>video')
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.get(0);
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if (dominantSpeakerVideo) {
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VideoLayout.updateLargeVideo(dominantSpeakerVideo.src, 1);
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}
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}
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return;
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}
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// Lock new video
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focusedVideoSrc = videoSrc;
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// Update focused/pinned interface.
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var userJid = getJidFromVideoSrc(videoSrc);
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if (userJid)
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{
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var container = getParticipantContainer(userJid);
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container.addClass("videoContainerFocused");
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}
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// Triggers a "video.selected" event. The "false" parameter indicates
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// this isn't a prezi.
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$(document).trigger("video.selected", [false]);
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VideoLayout.updateLargeVideo(videoSrc, 1);
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$('audio').each(function (idx, el) {
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if (el.id.indexOf('mixedmslabel') !== -1) {
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el.volume = 0;
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el.volume = 1;
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}
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});
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};
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/**
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* Positions the large video.
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*
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* @param videoWidth the stream video width
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* @param videoHeight the stream video height
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*/
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my.positionLarge = function (videoWidth, videoHeight) {
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var videoSpaceWidth = $('#videospace').width();
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var videoSpaceHeight = window.innerHeight;
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var videoSize = getVideoSize(videoWidth,
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videoHeight,
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videoSpaceWidth,
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videoSpaceHeight);
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var largeVideoWidth = videoSize[0];
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var largeVideoHeight = videoSize[1];
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var videoPosition = getVideoPosition(largeVideoWidth,
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largeVideoHeight,
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videoSpaceWidth,
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videoSpaceHeight);
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var horizontalIndent = videoPosition[0];
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var verticalIndent = videoPosition[1];
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positionVideo($('#largeVideo'),
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largeVideoWidth,
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largeVideoHeight,
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horizontalIndent, verticalIndent);
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};
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/**
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* Shows/hides the large video.
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*/
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my.setLargeVideoVisible = function(isVisible) {
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var largeVideoJid = getJidFromVideoSrc($('#largeVideo').attr('src'));
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var resourceJid = Strophe.getResourceFromJid(largeVideoJid);
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if (isVisible) {
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$('#largeVideo').css({visibility: 'visible'});
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$('.watermark').css({visibility: 'visible'});
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VideoLayout.enableDominantSpeaker(resourceJid, true);
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}
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else {
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$('#largeVideo').css({visibility: 'hidden'});
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$('.watermark').css({visibility: 'hidden'});
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VideoLayout.enableDominantSpeaker(resourceJid, false);
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}
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};
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/**
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* Indicates if the large video is currently visible.
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*
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* @return <tt>true</tt> if visible, <tt>false</tt> - otherwise
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*/
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my.isLargeVideoVisible = function() {
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return $('#largeVideo').is(':visible');
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};
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/**
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* Checks if container for participant identified by given peerJid exists
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* in the document and creates it eventually.
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*
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* @param peerJid peer Jid to check.
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*
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* @return Returns <tt>true</tt> if the peer container exists,
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* <tt>false</tt> - otherwise
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*/
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my.ensurePeerContainerExists = function(peerJid) {
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ContactList.ensureAddContact(peerJid);
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var resourceJid = Strophe.getResourceFromJid(peerJid);
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var videoSpanId = 'participant_' + resourceJid;
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if ($('#' + videoSpanId).length > 0) {
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// If there's been a focus change, make sure we add focus related
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// interface!!
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if (focus && $('#remote_popupmenu_' + resourceJid).length <= 0)
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addRemoteVideoMenu( peerJid,
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document.getElementById(videoSpanId));
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}
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else {
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var container
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= VideoLayout.addRemoteVideoContainer(peerJid, videoSpanId);
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// Set default display name.
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setDisplayName(videoSpanId);
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var nickfield = document.createElement('span');
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nickfield.className = "nick";
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nickfield.appendChild(document.createTextNode(resourceJid));
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container.appendChild(nickfield);
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// In case this is not currently in the last n we don't show it.
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if (lastNCount
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&& lastNCount > 0
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&& $('#remoteVideos>span').length >= lastNCount + 2) {
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showPeerContainer(resourceJid, false);
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}
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else
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VideoLayout.resizeThumbnails();
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}
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};
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my.addRemoteVideoContainer = function(peerJid, spanId) {
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var container = document.createElement('span');
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container.id = spanId;
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container.className = 'videocontainer';
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var remotes = document.getElementById('remoteVideos');
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// If the peerJid is null then this video span couldn't be directly
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// associated with a participant (this could happen in the case of prezi).
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if (focus && peerJid != null)
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addRemoteVideoMenu(peerJid, container);
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remotes.appendChild(container);
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AudioLevels.updateAudioLevelCanvas(peerJid);
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return container;
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};
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/**
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* Creates an audio or video stream element.
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*/
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my.createStreamElement = function (sid, stream) {
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var isVideo = stream.getVideoTracks().length > 0;
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var element = isVideo
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? document.createElement('video')
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: document.createElement('audio');
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var id = (isVideo ? 'remoteVideo_' : 'remoteAudio_')
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+ sid + '_' + stream.id;
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element.id = id;
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element.autoplay = true;
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element.oncontextmenu = function () { return false; };
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return element;
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};
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my.addRemoteStreamElement
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= function (container, sid, stream, peerJid, thessrc) {
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var newElementId = null;
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var isVideo = stream.getVideoTracks().length > 0;
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if (container) {
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var streamElement = VideoLayout.createStreamElement(sid, stream);
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newElementId = streamElement.id;
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container.appendChild(streamElement);
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var sel = $('#' + newElementId);
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sel.hide();
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// If the container is currently visible we attach the stream.
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if (!isVideo
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|| (container.offsetParent !== null && isVideo)) {
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var simulcast = new Simulcast();
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var videoStream = simulcast.getReceivingVideoStream(stream);
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RTC.attachMediaStream(sel, videoStream);
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if (isVideo)
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waitForRemoteVideo(sel, thessrc, stream);
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}
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stream.onended = function () {
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console.log('stream ended', this);
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VideoLayout.removeRemoteStreamElement(
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stream, isVideo, container);
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if (peerJid)
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ContactList.removeContact(peerJid);
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};
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// Add click handler.
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container.onclick = function (event) {
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/*
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* FIXME It turns out that videoThumb may not exist (if there is
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* no actual video).
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*/
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var videoThumb = $('#' + container.id + '>video').get(0);
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if (videoThumb)
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VideoLayout.handleVideoThumbClicked(videoThumb.src);
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event.preventDefault();
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return false;
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};
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// Add hover handler
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$(container).hover(
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function() {
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VideoLayout.showDisplayName(container.id, true);
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},
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function() {
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var videoSrc = null;
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if ($('#' + container.id + '>video')
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&& $('#' + container.id + '>video').length > 0) {
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videoSrc = $('#' + container.id + '>video').get(0).src;
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}
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// If the video has been "pinned" by the user we want to
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// keep the display name on place.
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if (!VideoLayout.isLargeVideoVisible()
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|| videoSrc !== $('#largeVideo').attr('src'))
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VideoLayout.showDisplayName(container.id, false);
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}
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);
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}
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return newElementId;
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};
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/**
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* Removes the remote stream element corresponding to the given stream and
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* parent container.
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*
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* @param stream the stream
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* @param isVideo <tt>true</tt> if given <tt>stream</tt> is a video one.
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* @param container
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*/
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my.removeRemoteStreamElement = function (stream, isVideo, container) {
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if (!container)
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return;
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var select = null;
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var removedVideoSrc = null;
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if (isVideo) {
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select = $('#' + container.id + '>video');
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removedVideoSrc = select.get(0).src;
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}
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else
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select = $('#' + container.id + '>audio');
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// Remove video source from the mapping.
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delete videoSrcToSsrc[removedVideoSrc];
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// Mark video as removed to cancel waiting loop(if video is removed
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// before has started)
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select.removed = true;
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select.remove();
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var audioCount = $('#' + container.id + '>audio').length;
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var videoCount = $('#' + container.id + '>video').length;
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if (!audioCount && !videoCount) {
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console.log("Remove whole user", container.id);
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// Remove whole container
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container.remove();
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Util.playSoundNotification('userLeft');
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VideoLayout.resizeThumbnails();
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}
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if (removedVideoSrc)
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VideoLayout.updateRemovedVideo(removedVideoSrc);
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};
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/**
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* Show/hide peer container for the given resourceJid.
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*/
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function showPeerContainer(resourceJid, isShow) {
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var peerContainer = $('#participant_' + resourceJid);
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if (!peerContainer)
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return;
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if (!peerContainer.is(':visible') && isShow)
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peerContainer.show();
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else if (peerContainer.is(':visible') && !isShow)
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peerContainer.hide();
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VideoLayout.resizeThumbnails();
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ContactList.setClickable(resourceJid, isShow);
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};
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/**
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* Sets the display name for the given video span id.
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*/
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function setDisplayName(videoSpanId, displayName) {
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var nameSpan = $('#' + videoSpanId + '>span.displayname');
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var defaultLocalDisplayName = "Me";
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// If we already have a display name for this video.
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if (nameSpan.length > 0) {
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var nameSpanElement = nameSpan.get(0);
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if (nameSpanElement.id === 'localDisplayName' &&
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$('#localDisplayName').text() !== displayName) {
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if (displayName && displayName.length > 0)
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$('#localDisplayName').text(displayName + ' (me)');
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else
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$('#localDisplayName').text(defaultLocalDisplayName);
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} else {
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if (displayName && displayName.length > 0)
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$('#' + videoSpanId + '_name').text(displayName);
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else
|
|
$('#' + videoSpanId + '_name').text(interfaceConfig.DEFAULT_REMOTE_DISPLAY_NAME);
|
|
}
|
|
} else {
|
|
var editButton = null;
|
|
|
|
nameSpan = document.createElement('span');
|
|
nameSpan.className = 'displayname';
|
|
$('#' + videoSpanId)[0].appendChild(nameSpan);
|
|
|
|
if (videoSpanId === 'localVideoContainer') {
|
|
editButton = createEditDisplayNameButton();
|
|
nameSpan.innerText = defaultLocalDisplayName;
|
|
}
|
|
else {
|
|
nameSpan.innerText = interfaceConfig.DEFAULT_REMOTE_DISPLAY_NAME;
|
|
}
|
|
|
|
if (displayName && displayName.length > 0) {
|
|
nameSpan.innerText = displayName;
|
|
}
|
|
|
|
if (!editButton) {
|
|
nameSpan.id = videoSpanId + '_name';
|
|
} else {
|
|
nameSpan.id = 'localDisplayName';
|
|
$('#' + videoSpanId)[0].appendChild(editButton);
|
|
|
|
var editableText = document.createElement('input');
|
|
editableText.className = 'displayname';
|
|
editableText.type = 'text';
|
|
editableText.id = 'editDisplayName';
|
|
|
|
if (displayName && displayName.length) {
|
|
editableText.value
|
|
= displayName.substring(0, displayName.indexOf(' (me)'));
|
|
}
|
|
|
|
editableText.setAttribute('style', 'display:none;');
|
|
editableText.setAttribute('placeholder', 'ex. Jane Pink');
|
|
$('#' + videoSpanId)[0].appendChild(editableText);
|
|
|
|
$('#localVideoContainer .displayname')
|
|
.bind("click", function (e) {
|
|
|
|
e.preventDefault();
|
|
$('#localDisplayName').hide();
|
|
$('#editDisplayName').show();
|
|
$('#editDisplayName').focus();
|
|
$('#editDisplayName').select();
|
|
|
|
var inputDisplayNameHandler = function (name) {
|
|
if (nickname !== name) {
|
|
nickname = name;
|
|
window.localStorage.displayname = nickname;
|
|
connection.emuc.addDisplayNameToPresence(nickname);
|
|
connection.emuc.sendPresence();
|
|
|
|
Chat.setChatConversationMode(true);
|
|
}
|
|
|
|
if (!$('#localDisplayName').is(":visible")) {
|
|
if (nickname)
|
|
$('#localDisplayName').text(nickname + " (me)");
|
|
else
|
|
$('#localDisplayName')
|
|
.text(defaultLocalDisplayName);
|
|
$('#localDisplayName').show();
|
|
}
|
|
|
|
$('#editDisplayName').hide();
|
|
};
|
|
|
|
$('#editDisplayName').one("focusout", function (e) {
|
|
inputDisplayNameHandler(this.value);
|
|
});
|
|
|
|
$('#editDisplayName').on('keydown', function (e) {
|
|
if (e.keyCode === 13) {
|
|
e.preventDefault();
|
|
inputDisplayNameHandler(this.value);
|
|
}
|
|
});
|
|
});
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Shows/hides the display name on the remote video.
|
|
* @param videoSpanId the identifier of the video span element
|
|
* @param isShow indicates if the display name should be shown or hidden
|
|
*/
|
|
my.showDisplayName = function(videoSpanId, isShow) {
|
|
var nameSpan = $('#' + videoSpanId + '>span.displayname').get(0);
|
|
if (isShow) {
|
|
if (nameSpan && nameSpan.innerHTML && nameSpan.innerHTML.length)
|
|
nameSpan.setAttribute("style", "display:inline-block;");
|
|
}
|
|
else {
|
|
if (nameSpan)
|
|
nameSpan.setAttribute("style", "display:none;");
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Shows the presence status message for the given video.
|
|
*/
|
|
my.setPresenceStatus = function (videoSpanId, statusMsg) {
|
|
|
|
if (!$('#' + videoSpanId).length) {
|
|
// No container
|
|
return;
|
|
}
|
|
|
|
var statusSpan = $('#' + videoSpanId + '>span.status');
|
|
if (!statusSpan.length) {
|
|
//Add status span
|
|
statusSpan = document.createElement('span');
|
|
statusSpan.className = 'status';
|
|
statusSpan.id = videoSpanId + '_status';
|
|
$('#' + videoSpanId)[0].appendChild(statusSpan);
|
|
|
|
statusSpan = $('#' + videoSpanId + '>span.status');
|
|
}
|
|
|
|
// Display status
|
|
if (statusMsg && statusMsg.length) {
|
|
$('#' + videoSpanId + '_status').text(statusMsg);
|
|
statusSpan.get(0).setAttribute("style", "display:inline-block;");
|
|
}
|
|
else {
|
|
// Hide
|
|
statusSpan.get(0).setAttribute("style", "display:none;");
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Shows a visual indicator for the focus of the conference.
|
|
* Currently if we're not the owner of the conference we obtain the focus
|
|
* from the connection.jingle.sessions.
|
|
*/
|
|
my.showFocusIndicator = function() {
|
|
if (focus !== null) {
|
|
var indicatorSpan = $('#localVideoContainer .focusindicator');
|
|
|
|
if (indicatorSpan.children().length === 0)
|
|
{
|
|
createFocusIndicatorElement(indicatorSpan[0]);
|
|
}
|
|
}
|
|
else if (Object.keys(connection.jingle.sessions).length > 0) {
|
|
// If we're only a participant the focus will be the only session we have.
|
|
var session
|
|
= connection.jingle.sessions
|
|
[Object.keys(connection.jingle.sessions)[0]];
|
|
var focusId
|
|
= 'participant_' + Strophe.getResourceFromJid(session.peerjid);
|
|
|
|
var focusContainer = document.getElementById(focusId);
|
|
if (!focusContainer) {
|
|
console.error("No focus container!");
|
|
return;
|
|
}
|
|
var indicatorSpan = $('#' + focusId + ' .focusindicator');
|
|
|
|
if (!indicatorSpan || indicatorSpan.length === 0) {
|
|
indicatorSpan = document.createElement('span');
|
|
indicatorSpan.className = 'focusindicator';
|
|
|
|
focusContainer.appendChild(indicatorSpan);
|
|
|
|
createFocusIndicatorElement(indicatorSpan);
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Shows video muted indicator over small videos.
|
|
*/
|
|
my.showVideoIndicator = function(videoSpanId, isMuted) {
|
|
var videoMutedSpan = $('#' + videoSpanId + '>span.videoMuted');
|
|
|
|
if (isMuted === 'false') {
|
|
if (videoMutedSpan.length > 0) {
|
|
videoMutedSpan.remove();
|
|
}
|
|
}
|
|
else {
|
|
if(videoMutedSpan.length == 0) {
|
|
videoMutedSpan = document.createElement('span');
|
|
videoMutedSpan.className = 'videoMuted';
|
|
|
|
$('#' + videoSpanId)[0].appendChild(videoMutedSpan);
|
|
|
|
var mutedIndicator = document.createElement('i');
|
|
mutedIndicator.className = 'icon-camera-disabled';
|
|
Util.setTooltip(mutedIndicator,
|
|
"Participant has<br/>stopped the camera.",
|
|
"top");
|
|
videoMutedSpan.appendChild(mutedIndicator);
|
|
}
|
|
var audioMutedSpan = $('#' + videoSpanId + '>span.audioMuted');
|
|
videoMutedSpan = $('#' + videoSpanId + '>span.videoMuted');
|
|
videoMutedSpan.css({right: ((audioMutedSpan.length > 0)?'30px':'0px')});
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Shows audio muted indicator over small videos.
|
|
* @param {string} isMuted
|
|
*/
|
|
my.showAudioIndicator = function(videoSpanId, isMuted) {
|
|
var audioMutedSpan = $('#' + videoSpanId + '>span.audioMuted');
|
|
|
|
if (isMuted === 'false') {
|
|
if (audioMutedSpan.length > 0) {
|
|
audioMutedSpan.popover('hide');
|
|
audioMutedSpan.remove();
|
|
}
|
|
}
|
|
else {
|
|
if(audioMutedSpan.length > 0 )
|
|
return;
|
|
audioMutedSpan = document.createElement('span');
|
|
audioMutedSpan.className = 'audioMuted';
|
|
Util.setTooltip(audioMutedSpan,
|
|
"Participant is muted",
|
|
"top");
|
|
|
|
$('#' + videoSpanId)[0].appendChild(audioMutedSpan);
|
|
|
|
var mutedIndicator = document.createElement('i');
|
|
mutedIndicator.className = 'icon-mic-disabled';
|
|
audioMutedSpan.appendChild(mutedIndicator);
|
|
}
|
|
};
|
|
|
|
/*
|
|
* Shows or hides the audio muted indicator over the local thumbnail video.
|
|
* @param {boolean} isMuted
|
|
*/
|
|
my.showLocalAudioIndicator = function(isMuted) {
|
|
VideoLayout.showAudioIndicator('localVideoContainer', isMuted.toString());
|
|
};
|
|
|
|
/**
|
|
* Resizes the large video container.
|
|
*/
|
|
my.resizeLargeVideoContainer = function () {
|
|
Chat.resizeChat();
|
|
var availableHeight = window.innerHeight;
|
|
var availableWidth = Util.getAvailableVideoWidth();
|
|
|
|
if (availableWidth < 0 || availableHeight < 0) return;
|
|
|
|
$('#videospace').width(availableWidth);
|
|
$('#videospace').height(availableHeight);
|
|
$('#largeVideoContainer').width(availableWidth);
|
|
$('#largeVideoContainer').height(availableHeight);
|
|
|
|
VideoLayout.resizeThumbnails();
|
|
};
|
|
|
|
/**
|
|
* Resizes thumbnails.
|
|
*/
|
|
my.resizeThumbnails = function() {
|
|
var videoSpaceWidth = $('#remoteVideos').width();
|
|
|
|
var thumbnailSize = VideoLayout.calculateThumbnailSize(videoSpaceWidth);
|
|
var width = thumbnailSize[0];
|
|
var height = thumbnailSize[1];
|
|
|
|
// size videos so that while keeping AR and max height, we have a
|
|
// nice fit
|
|
$('#remoteVideos').height(height);
|
|
$('#remoteVideos>span').width(width);
|
|
$('#remoteVideos>span').height(height);
|
|
|
|
$(document).trigger("remotevideo.resized", [width, height]);
|
|
};
|
|
|
|
/**
|
|
* Enables the dominant speaker UI.
|
|
*
|
|
* @param resourceJid the jid indicating the video element to
|
|
* activate/deactivate
|
|
* @param isEnable indicates if the dominant speaker should be enabled or
|
|
* disabled
|
|
*/
|
|
my.enableDominantSpeaker = function(resourceJid, isEnable) {
|
|
|
|
var videoSpanId = null;
|
|
var videoContainerId = null;
|
|
if (resourceJid
|
|
=== Strophe.getResourceFromJid(connection.emuc.myroomjid)) {
|
|
videoSpanId = 'localVideoWrapper';
|
|
videoContainerId = 'localVideoContainer';
|
|
}
|
|
else {
|
|
videoSpanId = 'participant_' + resourceJid;
|
|
videoContainerId = videoSpanId;
|
|
}
|
|
|
|
var displayName = resourceJid;
|
|
var nameSpan = $('#' + videoContainerId + '>span.displayname');
|
|
if (nameSpan.length > 0)
|
|
displayName = nameSpan.text();
|
|
|
|
console.log("UI enable dominant speaker",
|
|
displayName,
|
|
resourceJid,
|
|
isEnable);
|
|
|
|
videoSpan = document.getElementById(videoContainerId);
|
|
|
|
if (!videoSpan) {
|
|
console.error("No video element for jid", resourceJid);
|
|
return;
|
|
}
|
|
|
|
var video = $('#' + videoSpanId + '>video');
|
|
|
|
if (video && video.length > 0) {
|
|
if (isEnable) {
|
|
VideoLayout.showDisplayName(videoContainerId, true);
|
|
|
|
if (!videoSpan.classList.contains("dominantspeaker"))
|
|
videoSpan.classList.add("dominantspeaker");
|
|
|
|
video.css({visibility: 'hidden'});
|
|
}
|
|
else {
|
|
VideoLayout.showDisplayName(videoContainerId, false);
|
|
|
|
if (videoSpan.classList.contains("dominantspeaker"))
|
|
videoSpan.classList.remove("dominantspeaker");
|
|
|
|
video.css({visibility: 'visible'});
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Gets the selector of video thumbnail container for the user identified by
|
|
* given <tt>userJid</tt>
|
|
* @param userJid user's Jid for whom we want to get the video container.
|
|
*/
|
|
function getParticipantContainer(userJid)
|
|
{
|
|
if (!userJid)
|
|
return null;
|
|
|
|
if (userJid === connection.emuc.myroomjid)
|
|
return $("#localVideoContainer");
|
|
else
|
|
return $("#participant_" + Strophe.getResourceFromJid(userJid));
|
|
}
|
|
|
|
/**
|
|
* Sets the size and position of the given video element.
|
|
*
|
|
* @param video the video element to position
|
|
* @param width the desired video width
|
|
* @param height the desired video height
|
|
* @param horizontalIndent the left and right indent
|
|
* @param verticalIndent the top and bottom indent
|
|
*/
|
|
function positionVideo(video,
|
|
width,
|
|
height,
|
|
horizontalIndent,
|
|
verticalIndent) {
|
|
video.width(width);
|
|
video.height(height);
|
|
video.css({ top: verticalIndent + 'px',
|
|
bottom: verticalIndent + 'px',
|
|
left: horizontalIndent + 'px',
|
|
right: horizontalIndent + 'px'});
|
|
}
|
|
|
|
/**
|
|
* Calculates the thumbnail size.
|
|
*
|
|
* @param videoSpaceWidth the width of the video space
|
|
*/
|
|
my.calculateThumbnailSize = function (videoSpaceWidth) {
|
|
// Calculate the available height, which is the inner window height minus
|
|
// 39px for the header minus 2px for the delimiter lines on the top and
|
|
// bottom of the large video, minus the 36px space inside the remoteVideos
|
|
// container used for highlighting shadow.
|
|
var availableHeight = 100;
|
|
|
|
var numvids = $('#remoteVideos>span:visible').length;
|
|
if (lastNCount && lastNCount > 0) {
|
|
numvids = Math.min(lastNCount + 1, numvids);
|
|
}
|
|
|
|
// Remove the 3px borders arround videos and border around the remote
|
|
// videos area and the 4 pixels between the local video and the others
|
|
//TODO: Find out where the 4 pixels come from and remove them
|
|
var availableWinWidth = videoSpaceWidth - 2 * 3 * numvids - 70 - 4;
|
|
|
|
var availableWidth = availableWinWidth / numvids;
|
|
var aspectRatio = 16.0 / 9.0;
|
|
var maxHeight = Math.min(160, availableHeight);
|
|
availableHeight = Math.min(maxHeight, availableWidth / aspectRatio);
|
|
if (availableHeight < availableWidth / aspectRatio) {
|
|
availableWidth = Math.floor(availableHeight * aspectRatio);
|
|
}
|
|
|
|
return [availableWidth, availableHeight];
|
|
};
|
|
|
|
/**
|
|
* Returns an array of the video dimensions, so that it keeps it's aspect
|
|
* ratio and fits available area with it's larger dimension. This method
|
|
* ensures that whole video will be visible and can leave empty areas.
|
|
*
|
|
* @return an array with 2 elements, the video width and the video height
|
|
*/
|
|
function getDesktopVideoSize(videoWidth,
|
|
videoHeight,
|
|
videoSpaceWidth,
|
|
videoSpaceHeight) {
|
|
if (!videoWidth)
|
|
videoWidth = currentVideoWidth;
|
|
if (!videoHeight)
|
|
videoHeight = currentVideoHeight;
|
|
|
|
var aspectRatio = videoWidth / videoHeight;
|
|
|
|
var availableWidth = Math.max(videoWidth, videoSpaceWidth);
|
|
var availableHeight = Math.max(videoHeight, videoSpaceHeight);
|
|
|
|
videoSpaceHeight -= $('#remoteVideos').outerHeight();
|
|
|
|
if (availableWidth / aspectRatio >= videoSpaceHeight)
|
|
{
|
|
availableHeight = videoSpaceHeight;
|
|
availableWidth = availableHeight * aspectRatio;
|
|
}
|
|
|
|
if (availableHeight * aspectRatio >= videoSpaceWidth)
|
|
{
|
|
availableWidth = videoSpaceWidth;
|
|
availableHeight = availableWidth / aspectRatio;
|
|
}
|
|
|
|
return [availableWidth, availableHeight];
|
|
}
|
|
|
|
/**
|
|
* Creates the edit display name button.
|
|
*
|
|
* @returns the edit button
|
|
*/
|
|
function createEditDisplayNameButton() {
|
|
var editButton = document.createElement('a');
|
|
editButton.className = 'displayname';
|
|
Util.setTooltip(editButton,
|
|
'Click to edit your<br/>display name',
|
|
"top");
|
|
editButton.innerHTML = '<i class="fa fa-pencil"></i>';
|
|
|
|
return editButton;
|
|
}
|
|
|
|
/**
|
|
* Creates the element indicating the focus of the conference.
|
|
*
|
|
* @param parentElement the parent element where the focus indicator will
|
|
* be added
|
|
*/
|
|
function createFocusIndicatorElement(parentElement) {
|
|
var focusIndicator = document.createElement('i');
|
|
focusIndicator.className = 'fa fa-star';
|
|
parentElement.appendChild(focusIndicator);
|
|
|
|
Util.setTooltip(parentElement,
|
|
"The owner of<br/>this conference",
|
|
"top");
|
|
}
|
|
|
|
/**
|
|
* Updates the remote video menu.
|
|
*
|
|
* @param jid the jid indicating the video for which we're adding a menu.
|
|
* @param isMuted indicates the current mute state
|
|
*/
|
|
my.updateRemoteVideoMenu = function(jid, isMuted) {
|
|
var muteMenuItem
|
|
= $('#remote_popupmenu_'
|
|
+ Strophe.getResourceFromJid(jid)
|
|
+ '>li>a.mutelink');
|
|
|
|
var mutedIndicator = "<i class='icon-mic-disabled'></i>";
|
|
|
|
if (muteMenuItem.length) {
|
|
var muteLink = muteMenuItem.get(0);
|
|
|
|
if (isMuted === 'true') {
|
|
muteLink.innerHTML = mutedIndicator + ' Muted';
|
|
muteLink.className = 'mutelink disabled';
|
|
}
|
|
else {
|
|
muteLink.innerHTML = mutedIndicator + ' Mute';
|
|
muteLink.className = 'mutelink';
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Returns the current dominant speaker resource jid.
|
|
*/
|
|
my.getDominantSpeakerResourceJid = function () {
|
|
return currentDominantSpeaker;
|
|
};
|
|
|
|
/**
|
|
* Returns the corresponding resource jid to the given peer container
|
|
* DOM element.
|
|
*
|
|
* @return the corresponding resource jid to the given peer container
|
|
* DOM element
|
|
*/
|
|
my.getPeerContainerResourceJid = function (containerElement) {
|
|
var i = containerElement.id.indexOf('participant_');
|
|
|
|
if (i >= 0)
|
|
return containerElement.id.substring(i + 12);
|
|
};
|
|
|
|
/**
|
|
* Adds the remote video menu element for the given <tt>jid</tt> in the
|
|
* given <tt>parentElement</tt>.
|
|
*
|
|
* @param jid the jid indicating the video for which we're adding a menu.
|
|
* @param parentElement the parent element where this menu will be added
|
|
*/
|
|
function addRemoteVideoMenu(jid, parentElement) {
|
|
var spanElement = document.createElement('span');
|
|
spanElement.className = 'remotevideomenu';
|
|
|
|
parentElement.appendChild(spanElement);
|
|
|
|
var menuElement = document.createElement('i');
|
|
menuElement.className = 'fa fa-angle-down';
|
|
menuElement.title = 'Remote user controls';
|
|
spanElement.appendChild(menuElement);
|
|
|
|
// <ul class="popupmenu">
|
|
// <li><a href="#">Mute</a></li>
|
|
// <li><a href="#">Eject</a></li>
|
|
// </ul>
|
|
var popupmenuElement = document.createElement('ul');
|
|
popupmenuElement.className = 'popupmenu';
|
|
popupmenuElement.id
|
|
= 'remote_popupmenu_' + Strophe.getResourceFromJid(jid);
|
|
spanElement.appendChild(popupmenuElement);
|
|
|
|
var muteMenuItem = document.createElement('li');
|
|
var muteLinkItem = document.createElement('a');
|
|
|
|
var mutedIndicator = "<i class='icon-mic-disabled'></i>";
|
|
|
|
if (!mutedAudios[jid]) {
|
|
muteLinkItem.innerHTML = mutedIndicator + 'Mute';
|
|
muteLinkItem.className = 'mutelink';
|
|
}
|
|
else {
|
|
muteLinkItem.innerHTML = mutedIndicator + ' Muted';
|
|
muteLinkItem.className = 'mutelink disabled';
|
|
}
|
|
|
|
muteLinkItem.onclick = function(){
|
|
if ($(this).attr('disabled') != undefined) {
|
|
event.preventDefault();
|
|
}
|
|
var isMute = !mutedAudios[jid];
|
|
connection.moderate.setMute(jid, isMute);
|
|
popupmenuElement.setAttribute('style', 'display:none;');
|
|
|
|
if (isMute) {
|
|
this.innerHTML = mutedIndicator + ' Muted';
|
|
this.className = 'mutelink disabled';
|
|
}
|
|
else {
|
|
this.innerHTML = mutedIndicator + ' Mute';
|
|
this.className = 'mutelink';
|
|
}
|
|
};
|
|
|
|
muteMenuItem.appendChild(muteLinkItem);
|
|
popupmenuElement.appendChild(muteMenuItem);
|
|
|
|
var ejectIndicator = "<i class='fa fa-eject'></i>";
|
|
|
|
var ejectMenuItem = document.createElement('li');
|
|
var ejectLinkItem = document.createElement('a');
|
|
ejectLinkItem.innerHTML = ejectIndicator + ' Kick out';
|
|
ejectLinkItem.onclick = function(){
|
|
connection.moderate.eject(jid);
|
|
popupmenuElement.setAttribute('style', 'display:none;');
|
|
};
|
|
|
|
ejectMenuItem.appendChild(ejectLinkItem);
|
|
popupmenuElement.appendChild(ejectMenuItem);
|
|
|
|
var paddingSpan = document.createElement('span');
|
|
paddingSpan.className = 'popupmenuPadding';
|
|
popupmenuElement.appendChild(paddingSpan);
|
|
}
|
|
|
|
/**
|
|
* On audio muted event.
|
|
*/
|
|
$(document).bind('audiomuted.muc', function (event, jid, isMuted) {
|
|
if (jid === connection.emuc.myroomjid) {
|
|
// The local mute indicator is controlled locally
|
|
return;
|
|
}
|
|
|
|
VideoLayout.ensurePeerContainerExists(jid);
|
|
|
|
if (focus) {
|
|
mutedAudios[jid] = isMuted;
|
|
VideoLayout.updateRemoteVideoMenu(jid, isMuted);
|
|
}
|
|
|
|
var videoSpanId = 'participant_' + Strophe.getResourceFromJid(jid);
|
|
if (videoSpanId)
|
|
VideoLayout.showAudioIndicator(videoSpanId, isMuted);
|
|
});
|
|
|
|
/**
|
|
* On video muted event.
|
|
*/
|
|
$(document).bind('videomuted.muc', function (event, jid, isMuted) {
|
|
var videoSpanId = null;
|
|
if (jid === connection.emuc.myroomjid) {
|
|
videoSpanId = 'localVideoContainer';
|
|
} else {
|
|
VideoLayout.ensurePeerContainerExists(jid);
|
|
videoSpanId = 'participant_' + Strophe.getResourceFromJid(jid);
|
|
}
|
|
|
|
if (videoSpanId)
|
|
VideoLayout.showVideoIndicator(videoSpanId, isMuted);
|
|
});
|
|
|
|
/**
|
|
* Display name changed.
|
|
*/
|
|
$(document).bind('displaynamechanged',
|
|
function (event, jid, displayName, status) {
|
|
if (jid === 'localVideoContainer'
|
|
|| jid === connection.emuc.myroomjid) {
|
|
setDisplayName('localVideoContainer',
|
|
displayName);
|
|
} else {
|
|
VideoLayout.ensurePeerContainerExists(jid);
|
|
|
|
setDisplayName(
|
|
'participant_' + Strophe.getResourceFromJid(jid),
|
|
displayName,
|
|
status);
|
|
}
|
|
});
|
|
|
|
/**
|
|
* On dominant speaker changed event.
|
|
*/
|
|
$(document).bind('dominantspeakerchanged', function (event, resourceJid) {
|
|
// We ignore local user events.
|
|
if (resourceJid
|
|
=== Strophe.getResourceFromJid(connection.emuc.myroomjid))
|
|
return;
|
|
|
|
// Update the current dominant speaker.
|
|
if (resourceJid !== currentDominantSpeaker) {
|
|
var oldSpeakerVideoSpanId = "participant_" + currentDominantSpeaker,
|
|
newSpeakerVideoSpanId = "participant_" + resourceJid;
|
|
if($("#" + oldSpeakerVideoSpanId + ">span.displayname").text() ===
|
|
interfaceConfig.DEFAULT_DOMINANT_SPEAKER_DISPLAY_NAME) {
|
|
setDisplayName(oldSpeakerVideoSpanId, null);
|
|
}
|
|
if($("#" + newSpeakerVideoSpanId + ">span.displayname").text() ===
|
|
interfaceConfig.DEFAULT_REMOTE_DISPLAY_NAME) {
|
|
setDisplayName(newSpeakerVideoSpanId,
|
|
interfaceConfig.DEFAULT_DOMINANT_SPEAKER_DISPLAY_NAME);
|
|
}
|
|
currentDominantSpeaker = resourceJid;
|
|
} else {
|
|
return;
|
|
}
|
|
|
|
// Obtain container for new dominant speaker.
|
|
var container = document.getElementById(
|
|
'participant_' + resourceJid);
|
|
|
|
// Local video will not have container found, but that's ok
|
|
// since we don't want to switch to local video.
|
|
if (container && !focusedVideoSrc)
|
|
{
|
|
var video = container.getElementsByTagName("video");
|
|
|
|
// Update the large video if the video source is already available,
|
|
// otherwise wait for the "videoactive.jingle" event.
|
|
if (video.length && video[0].currentTime > 0)
|
|
VideoLayout.updateLargeVideo(video[0].src);
|
|
}
|
|
});
|
|
|
|
/**
|
|
* On last N change event.
|
|
*
|
|
* @param event the event that notified us
|
|
* @param lastNEndpoints the list of last N endpoints
|
|
* @param endpointsEnteringLastN the list currently entering last N
|
|
* endpoints
|
|
*/
|
|
$(document).bind('lastnchanged', function ( event,
|
|
lastNEndpoints,
|
|
endpointsEnteringLastN,
|
|
stream) {
|
|
if (lastNCount !== lastNEndpoints.length)
|
|
lastNCount = lastNEndpoints.length;
|
|
|
|
lastNEndpointsCache = lastNEndpoints;
|
|
|
|
$('#remoteVideos>span').each(function( index, element ) {
|
|
var resourceJid = VideoLayout.getPeerContainerResourceJid(element);
|
|
|
|
if (resourceJid
|
|
&& lastNEndpoints.indexOf(resourceJid) < 0) {
|
|
console.log("Remove from last N", resourceJid);
|
|
showPeerContainer(resourceJid, false);
|
|
}
|
|
});
|
|
|
|
if (!endpointsEnteringLastN || endpointsEnteringLastN.length < 0)
|
|
endpointsEnteringLastN = lastNEndpoints;
|
|
|
|
if (endpointsEnteringLastN && endpointsEnteringLastN.length > 0) {
|
|
endpointsEnteringLastN.forEach(function (resourceJid) {
|
|
|
|
if (!$('#participant_' + resourceJid).is(':visible')) {
|
|
console.log("Add to last N", resourceJid);
|
|
showPeerContainer(resourceJid, true);
|
|
|
|
mediaStreams.some(function (mediaStream) {
|
|
if (mediaStream.peerjid
|
|
&& Strophe.getResourceFromJid(mediaStream.peerjid)
|
|
=== resourceJid
|
|
&& mediaStream.type === mediaStream.VIDEO_TYPE) {
|
|
var sel = $('#participant_' + resourceJid + '>video');
|
|
|
|
var simulcast = new Simulcast();
|
|
var videoStream = simulcast.getReceivingVideoStream(mediaStream.stream);
|
|
RTC.attachMediaStream(sel, videoStream);
|
|
waitForRemoteVideo(
|
|
sel,
|
|
mediaStream.ssrc,
|
|
mediaStream.stream);
|
|
return true;
|
|
}
|
|
});
|
|
}
|
|
});
|
|
}
|
|
});
|
|
|
|
$(document).bind('videoactive.jingle', function (event, videoelem) {
|
|
if (videoelem.attr('id').indexOf('mixedmslabel') === -1) {
|
|
// ignore mixedmslabela0 and v0
|
|
|
|
videoelem.show();
|
|
VideoLayout.resizeThumbnails();
|
|
|
|
var videoParent = videoelem.parent();
|
|
var parentResourceJid = null;
|
|
if (videoParent)
|
|
parentResourceJid
|
|
= VideoLayout.getPeerContainerResourceJid(videoParent[0]);
|
|
|
|
// Update the large video to the last added video only if there's no
|
|
// current dominant or focused speaker or update it to the current
|
|
// dominant speaker.
|
|
if ((!focusedVideoSrc && !VideoLayout.getDominantSpeakerResourceJid())
|
|
|| (parentResourceJid
|
|
&& VideoLayout.getDominantSpeakerResourceJid()
|
|
=== parentResourceJid)) {
|
|
VideoLayout.updateLargeVideo(videoelem.attr('src'), 1);
|
|
}
|
|
|
|
VideoLayout.showFocusIndicator();
|
|
}
|
|
});
|
|
|
|
/**
|
|
* On simulcast layers changed event.
|
|
*/
|
|
$(document).bind('simulcastlayerschanged', function (event, endpointSimulcastLayers) {
|
|
var simulcast = new Simulcast();
|
|
endpointSimulcastLayers.forEach(function (esl) {
|
|
|
|
var primarySSRC = esl.simulcastLayer.primarySSRC;
|
|
var msid = simulcast.getRemoteVideoStreamIdBySSRC(primarySSRC);
|
|
|
|
// Get session and stream from msid.
|
|
var session, electedStream;
|
|
var i, j, k;
|
|
if (connection.jingle) {
|
|
var keys = Object.keys(connection.jingle.sessions);
|
|
for (i = 0; i < keys.length; i++) {
|
|
var sid = keys[i];
|
|
|
|
if (electedStream) {
|
|
// stream found, stop.
|
|
break;
|
|
}
|
|
|
|
session = connection.jingle.sessions[sid];
|
|
if (session.remoteStreams) {
|
|
for (j = 0; j < session.remoteStreams.length; j++) {
|
|
var remoteStream = session.remoteStreams[j];
|
|
|
|
if (electedStream) {
|
|
// stream found, stop.
|
|
break;
|
|
}
|
|
var tracks = remoteStream.getVideoTracks();
|
|
if (tracks) {
|
|
for (k = 0; k < tracks.length; k++) {
|
|
var track = tracks[k];
|
|
|
|
if (msid === [remoteStream.id, track.id].join(' ')) {
|
|
electedStream = new webkitMediaStream([track]);
|
|
// stream found, stop.
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (session && electedStream) {
|
|
console.info('Switching simulcast substream.');
|
|
console.info([esl, primarySSRC, msid, session, electedStream]);
|
|
|
|
var msidParts = msid.split(' ');
|
|
var selRemoteVideo = $(['#', 'remoteVideo_', session.sid, '_', msidParts[0]].join(''));
|
|
|
|
var updateLargeVideo = (ssrc2jid[videoSrcToSsrc[selRemoteVideo.attr('src')]]
|
|
== ssrc2jid[videoSrcToSsrc[largeVideoState.newSrc]]);
|
|
var updateFocusedVideoSrc = (selRemoteVideo.attr('src') == focusedVideoSrc);
|
|
|
|
var electedStreamUrl = webkitURL.createObjectURL(electedStream);
|
|
selRemoteVideo.attr('src', electedStreamUrl);
|
|
videoSrcToSsrc[selRemoteVideo.attr('src')] = primarySSRC;
|
|
|
|
if (updateLargeVideo) {
|
|
VideoLayout.updateLargeVideo(electedStreamUrl);
|
|
}
|
|
|
|
if (updateFocusedVideoSrc) {
|
|
focusedVideoSrc = electedStreamUrl;
|
|
}
|
|
|
|
} else {
|
|
console.error('Could not find a stream or a session.', session, electedStream);
|
|
}
|
|
});
|
|
});
|
|
|
|
return my;
|
|
}(VideoLayout || {}));
|