jiti-meet/app.js

1127 lines
36 KiB
JavaScript

/* jshint -W117 */
/* application specific logic */
var connection = null;
var focus = null;
var activecall = null;
var RTC = null;
var nickname = null;
var sharedKey = '';
var roomUrl = null;
var ssrc2jid = {};
/**
* The stats collector that process stats data and triggers updates to app.js.
* @type {StatsCollector}
*/
var statsCollector = null;
/**
* Indicates whether ssrc is camera video or desktop stream.
* FIXME: remove those maps
*/
var ssrc2videoType = {};
var videoSrcToSsrc = {};
/**
* Currently focused video "src"(displayed in large video).
* @type {String}
*/
var focusedVideoSrc = null;
var mutedAudios = {};
var localVideoSrc = null;
var flipXLocalVideo = true;
var isFullScreen = false;
var toolbarTimeout = null;
var currentVideoWidth = null;
var currentVideoHeight = null;
/**
* Method used to calculate large video size.
* @type {function ()}
*/
var getVideoSize;
/**
* Method used to get large video position.
* @type {function ()}
*/
var getVideoPosition;
/* window.onbeforeunload = closePageWarning; */
var sessionTerminated = false;
function init() {
RTC = setupRTC();
if (RTC === null) {
window.location.href = 'webrtcrequired.html';
return;
} else if (RTC.browser !== 'chrome') {
window.location.href = 'chromeonly.html';
return;
}
connection = new Strophe.Connection(document.getElementById('boshURL').value || config.bosh || '/http-bind');
if (nickname) {
connection.emuc.addDisplayNameToPresence(nickname);
}
if (connection.disco) {
// for chrome, add multistream cap
}
connection.jingle.pc_constraints = RTC.pc_constraints;
if (config.useIPv6) {
// https://code.google.com/p/webrtc/issues/detail?id=2828
if (!connection.jingle.pc_constraints.optional) connection.jingle.pc_constraints.optional = [];
connection.jingle.pc_constraints.optional.push({googIPv6: true});
}
var jid = document.getElementById('jid').value || config.hosts.domain || window.location.hostname;
connection.connect(jid, document.getElementById('password').value, function (status) {
if (status === Strophe.Status.CONNECTED) {
console.log('connected');
if (config.useStunTurn) {
connection.jingle.getStunAndTurnCredentials();
}
obtainAudioAndVideoPermissions(function () {
getUserMediaWithConstraints(['audio'], audioStreamReady,
function (error) {
console.error('failed to obtain audio stream - stop', error);
});
});
document.getElementById('connect').disabled = true;
} else {
console.log('status', status);
}
});
}
/**
* HTTPS only:
* We first ask for audio and video combined stream in order to get permissions and not to ask twice.
* Then we dispose the stream and continue with separate audio, video streams(required for desktop sharing).
*/
function obtainAudioAndVideoPermissions(callback) {
// This makes sense only on https sites otherwise we'll be asked for permissions every time
if (location.protocol !== 'https:') {
callback();
return;
}
// Get AV
getUserMediaWithConstraints(
['audio', 'video'],
function (avStream) {
avStream.stop();
callback();
},
function (error) {
console.error('failed to obtain audio/video stream - stop', error);
});
}
function audioStreamReady(stream) {
VideoLayout.changeLocalAudio(stream);
if (RTC.browser !== 'firefox') {
getUserMediaWithConstraints(['video'],
videoStreamReady,
videoStreamFailed,
config.resolution || '360');
} else {
doJoin();
}
}
function videoStreamReady(stream) {
VideoLayout.changeLocalVideo(stream, true);
doJoin();
}
function videoStreamFailed(error) {
console.warn("Failed to obtain video stream - continue anyway", error);
doJoin();
}
function doJoin() {
var roomnode = null;
var path = window.location.pathname;
var roomjid;
// determinde the room node from the url
// TODO: just the roomnode or the whole bare jid?
if (config.getroomnode && typeof config.getroomnode === 'function') {
// custom function might be responsible for doing the pushstate
roomnode = config.getroomnode(path);
} else {
/* fall back to default strategy
* this is making assumptions about how the URL->room mapping happens.
* It currently assumes deployment at root, with a rewrite like the
* following one (for nginx):
location ~ ^/([a-zA-Z0-9]+)$ {
rewrite ^/(.*)$ / break;
}
*/
if (path.length > 1) {
roomnode = path.substr(1).toLowerCase();
} else {
roomnode = Math.random().toString(36).substr(2, 20);
window.history.pushState('VideoChat',
'Room: ' + roomnode, window.location.pathname + roomnode);
}
}
roomjid = roomnode + '@' + config.hosts.muc;
if (config.useNicks) {
var nick = window.prompt('Your nickname (optional)');
if (nick) {
roomjid += '/' + nick;
} else {
roomjid += '/' + Strophe.getNodeFromJid(connection.jid);
}
} else {
roomjid += '/' + Strophe.getNodeFromJid(connection.jid).substr(0, 8);
}
connection.emuc.doJoin(roomjid);
}
$(document).bind('remotestreamadded.jingle', function (event, data, sid) {
function waitForRemoteVideo(selector, sid, ssrc) {
if (selector.removed) {
console.warn("media removed before had started", selector);
return;
}
var sess = connection.jingle.sessions[sid];
if (data.stream.id === 'mixedmslabel') return;
var videoTracks = data.stream.getVideoTracks();
// console.log("waiting..", videoTracks, selector[0]);
if (videoTracks.length === 0 || selector[0].currentTime > 0) {
RTC.attachMediaStream(selector, data.stream); // FIXME: why do i have to do this for FF?
// FIXME: add a class that will associate peer Jid, video.src, it's ssrc and video type
// in order to get rid of too many maps
if (ssrc) {
videoSrcToSsrc[sel.attr('src')] = ssrc;
} else {
console.warn("No ssrc given for video", sel);
}
$(document).trigger('callactive.jingle', [selector, sid]);
console.log('waitForremotevideo', sess.peerconnection.iceConnectionState, sess.peerconnection.signalingState);
} else {
setTimeout(function () { waitForRemoteVideo(selector, sid, ssrc); }, 250);
}
}
var sess = connection.jingle.sessions[sid];
var thessrc;
// look up an associated JID for a stream id
if (data.stream.id.indexOf('mixedmslabel') === -1) {
var ssrclines = SDPUtil.find_lines(sess.peerconnection.remoteDescription.sdp, 'a=ssrc');
ssrclines = ssrclines.filter(function (line) {
return line.indexOf('mslabel:' + data.stream.label) !== -1;
});
if (ssrclines.length) {
thessrc = ssrclines[0].substring(7).split(' ')[0];
// ok to overwrite the one from focus? might save work in colibri.js
console.log('associated jid', ssrc2jid[thessrc], data.peerjid);
if (ssrc2jid[thessrc]) {
data.peerjid = ssrc2jid[thessrc];
}
}
}
var container;
var remotes = document.getElementById('remoteVideos');
if (data.peerjid) {
VideoLayout.ensurePeerContainerExists(data.peerjid);
container = document.getElementById(
'participant_' + Strophe.getResourceFromJid(data.peerjid));
} else {
if (data.stream.id !== 'mixedmslabel') {
console.error( 'can not associate stream',
data.stream.id,
'with a participant');
// We don't want to add it here since it will cause troubles
return;
}
// FIXME: for the mixed ms we dont need a video -- currently
container = document.createElement('span');
container.className = 'videocontainer';
remotes.appendChild(container);
Util.playSoundNotification('userJoined');
}
var isVideo = data.stream.getVideoTracks().length > 0;
var vid = isVideo ? document.createElement('video') : document.createElement('audio');
var id = (isVideo ? 'remoteVideo_' : 'remoteAudio_') + sid + '_' + data.stream.id;
vid.id = id;
vid.autoplay = true;
vid.oncontextmenu = function () { return false; };
container.appendChild(vid);
// TODO: make mixedstream display:none via css?
if (id.indexOf('mixedmslabel') !== -1) {
container.id = 'mixedstream';
$(container).hide();
}
var sel = $('#' + id);
sel.hide();
RTC.attachMediaStream(sel, data.stream);
if (isVideo) {
waitForRemoteVideo(sel, sid, thessrc);
}
data.stream.onended = function () {
console.log('stream ended', this.id);
// Mark video as removed to cancel waiting loop(if video is removed before has started)
sel.removed = true;
sel.remove();
var audioCount = $('#' + container.id + '>audio').length;
var videoCount = $('#' + container.id + '>video').length;
if (!audioCount && !videoCount) {
console.log("Remove whole user", container.id);
// Remove whole container
container.remove();
Util.playSoundNotification('userLeft');
VideoLayout.resizeThumbnails();
}
VideoLayout.checkChangeLargeVideo(vid.src);
};
// Add click handler
sel.click(function () {
VideoLayout.handleVideoThumbClicked(vid.src);
});
// Add hover handler
$(container).hover(
function() {
VideoLayout.showDisplayName(container.id, true);
},
function() {
var videoSrc = null;
if ($('#' + container.id + '>video')
&& $('#' + container.id + '>video').length > 0) {
videoSrc = $('#' + container.id + '>video').get(0).src;
}
// If the video has been "pinned" by the user we want to keep the
// display name on place.
if (focusedVideoSrc !== videoSrc)
VideoLayout.showDisplayName(container.id, false);
}
);
// an attempt to work around https://github.com/jitsi/jitmeet/issues/32
if (isVideo &&
data.peerjid && sess.peerjid === data.peerjid &&
data.stream.getVideoTracks().length === 0 &&
connection.jingle.localVideo.getVideoTracks().length > 0) {
//
window.setTimeout(function () {
sendKeyframe(sess.peerconnection);
}, 3000);
}
});
/**
* Returns the JID of the user to whom given <tt>videoSrc</tt> belongs.
* @param videoSrc the video "src" identifier.
* @returns {null | String} the JID of the user to whom given <tt>videoSrc</tt>
* belongs.
*/
function getJidFromVideoSrc(videoSrc)
{
if (videoSrc === localVideoSrc)
return connection.emuc.myroomjid;
var ssrc = videoSrcToSsrc[videoSrc];
if (!ssrc)
{
return null;
}
return ssrc2jid[ssrc];
}
// an attempt to work around https://github.com/jitsi/jitmeet/issues/32
function sendKeyframe(pc) {
console.log('sendkeyframe', pc.iceConnectionState);
if (pc.iceConnectionState !== 'connected') return; // safe...
pc.setRemoteDescription(
pc.remoteDescription,
function () {
pc.createAnswer(
function (modifiedAnswer) {
pc.setLocalDescription(
modifiedAnswer,
function () {
// noop
},
function (error) {
console.log('triggerKeyframe setLocalDescription failed', error);
}
);
},
function (error) {
console.log('triggerKeyframe createAnswer failed', error);
}
);
},
function (error) {
console.log('triggerKeyframe setRemoteDescription failed', error);
}
);
}
// Really mute video, i.e. dont even send black frames
function muteVideo(pc, unmute) {
// FIXME: this probably needs another of those lovely state safeguards...
// which checks for iceconn == connected and sigstate == stable
pc.setRemoteDescription(pc.remoteDescription,
function () {
pc.createAnswer(
function (answer) {
var sdp = new SDP(answer.sdp);
if (sdp.media.length > 1) {
if (unmute)
sdp.media[1] = sdp.media[1].replace('a=recvonly', 'a=sendrecv');
else
sdp.media[1] = sdp.media[1].replace('a=sendrecv', 'a=recvonly');
sdp.raw = sdp.session + sdp.media.join('');
answer.sdp = sdp.raw;
}
pc.setLocalDescription(answer,
function () {
console.log('mute SLD ok');
},
function (error) {
console.log('mute SLD error');
}
);
},
function (error) {
console.log(error);
}
);
},
function (error) {
console.log('muteVideo SRD error');
}
);
}
/**
* Callback called by {@link StatsCollector} in intervals supplied to it's
* constructor.
* @param statsCollector {@link StatsCollector} source of the event.
*/
function statsUpdated(statsCollector)
{
Object.keys(statsCollector.jid2stats).forEach(function (jid)
{
var peerStats = statsCollector.jid2stats[jid];
Object.keys(peerStats.ssrc2AudioLevel).forEach(function (ssrc)
{
console.info(jid + " audio level: " +
peerStats.ssrc2AudioLevel[ssrc] + " of ssrc: " + ssrc);
});
});
}
/**
* Starts the {@link StatsCollector} if the feature is enabled in config.js.
*/
function startRtpStatsCollector()
{
if (config.enableRtpStats)
{
statsCollector = new StatsCollector(
getConferenceHandler().peerconnection, 200, statsUpdated);
statsCollector.start();
}
}
$(document).bind('callincoming.jingle', function (event, sid) {
var sess = connection.jingle.sessions[sid];
// TODO: do we check activecall == null?
activecall = sess;
startRtpStatsCollector();
// Bind data channel listener in case we're a regular participant
if (config.openSctp)
{
bindDataChannelListener(sess.peerconnection);
}
// TODO: check affiliation and/or role
console.log('emuc data for', sess.peerjid, connection.emuc.members[sess.peerjid]);
sess.usedrip = true; // not-so-naive trickle ice
sess.sendAnswer();
sess.accept();
});
$(document).bind('conferenceCreated.jingle', function (event, focus)
{
startRtpStatsCollector();
});
$(document).bind('conferenceCreated.jingle', function (event, focus)
{
// Bind data channel listener in case we're the focus
if (config.openSctp)
{
bindDataChannelListener(focus.peerconnection);
}
});
$(document).bind('callactive.jingle', function (event, videoelem, sid) {
if (videoelem.attr('id').indexOf('mixedmslabel') === -1) {
// ignore mixedmslabela0 and v0
videoelem.show();
VideoLayout.resizeThumbnails();
if (!focusedVideoSrc)
VideoLayout.updateLargeVideo(videoelem.attr('src'), 1);
VideoLayout.showFocusIndicator();
}
});
$(document).bind('callterminated.jingle', function (event, sid, jid, reason) {
// Leave the room if my call has been remotely terminated.
if (connection.emuc.joined && focus == null && reason === 'kick') {
sessionTerminated = true;
connection.emuc.doLeave();
openMessageDialog( "Session Terminated",
"Ouch! You have been kicked out of the meet!");
}
});
$(document).bind('setLocalDescription.jingle', function (event, sid) {
// put our ssrcs into presence so other clients can identify our stream
var sess = connection.jingle.sessions[sid];
var newssrcs = {};
var directions = {};
var localSDP = new SDP(sess.peerconnection.localDescription.sdp);
localSDP.media.forEach(function (media) {
var type = SDPUtil.parse_mid(SDPUtil.find_line(media, 'a=mid:'));
if (SDPUtil.find_line(media, 'a=ssrc:')) {
// assumes a single local ssrc
var ssrc = SDPUtil.find_line(media, 'a=ssrc:').substring(7).split(' ')[0];
newssrcs[type] = ssrc;
directions[type] = (
SDPUtil.find_line(media, 'a=sendrecv') ||
SDPUtil.find_line(media, 'a=recvonly') ||
SDPUtil.find_line('a=sendonly') ||
SDPUtil.find_line('a=inactive') ||
'a=sendrecv').substr(2);
}
});
console.log('new ssrcs', newssrcs);
// Have to clear presence map to get rid of removed streams
connection.emuc.clearPresenceMedia();
var i = 0;
Object.keys(newssrcs).forEach(function (mtype) {
i++;
var type = mtype;
// Change video type to screen
if (mtype === 'video' && isUsingScreenStream) {
type = 'screen';
}
connection.emuc.addMediaToPresence(i, type, newssrcs[mtype], directions[mtype]);
});
if (i > 0) {
connection.emuc.sendPresence();
}
});
$(document).bind('joined.muc', function (event, jid, info) {
updateRoomUrl(window.location.href);
document.getElementById('localNick').appendChild(
document.createTextNode(Strophe.getResourceFromJid(jid) + ' (me)')
);
if (Object.keys(connection.emuc.members).length < 1) {
focus = new ColibriFocus(connection, config.hosts.bridge);
}
if (focus && config.etherpad_base) {
Etherpad.init();
}
VideoLayout.showFocusIndicator();
// Once we've joined the muc show the toolbar
Toolbar.showToolbar();
var displayName = '';
if (info.displayName)
displayName = info.displayName + ' (me)';
VideoLayout.setDisplayName('localVideoContainer', displayName);
});
$(document).bind('entered.muc', function (event, jid, info, pres) {
console.log('entered', jid, info);
console.log('is focus?' + focus ? 'true' : 'false');
// Add Peer's container
VideoLayout.ensurePeerContainerExists(jid);
if (focus !== null) {
// FIXME: this should prepare the video
if (focus.confid === null) {
console.log('make new conference with', jid);
focus.makeConference(Object.keys(connection.emuc.members));
} else {
console.log('invite', jid, 'into conference');
focus.addNewParticipant(jid);
}
}
else if (sharedKey) {
Toolbar.updateLockButton();
}
});
$(document).bind('left.muc', function (event, jid) {
console.log('left.muc', jid);
// Need to call this with a slight delay, otherwise the element couldn't be
// found for some reason.
window.setTimeout(function () {
var container = document.getElementById(
'participant_' + Strophe.getResourceFromJid(jid));
if (container) {
// hide here, wait for video to close before removing
$(container).hide();
VideoLayout.resizeThumbnails();
}
}, 10);
// Unlock large video
if (focusedVideoSrc)
{
if (getJidFromVideoSrc(focusedVideoSrc) === jid)
{
console.info("Focused video owner has left the conference");
focusedVideoSrc = null;
}
}
connection.jingle.terminateByJid(jid);
if (focus == null
// I shouldn't be the one that left to enter here.
&& jid !== connection.emuc.myroomjid
&& connection.emuc.myroomjid === connection.emuc.list_members[0]
// If our session has been terminated for some reason
// (kicked, hangup), don't try to become the focus
&& !sessionTerminated) {
console.log('welcome to our new focus... myself');
focus = new ColibriFocus(connection, config.hosts.bridge);
if (Object.keys(connection.emuc.members).length > 0) {
focus.makeConference(Object.keys(connection.emuc.members));
}
$(document).trigger('focusechanged.muc', [focus]);
}
else if (focus && Object.keys(connection.emuc.members).length === 0) {
console.log('everyone left');
// FIXME: closing the connection is a hack to avoid some
// problemswith reinit
disposeConference();
focus = new ColibriFocus(connection, config.hosts.bridge);
}
if (connection.emuc.getPrezi(jid)) {
$(document).trigger('presentationremoved.muc',
[jid, connection.emuc.getPrezi(jid)]);
}
});
$(document).bind('presence.muc', function (event, jid, info, pres) {
// Remove old ssrcs coming from the jid
Object.keys(ssrc2jid).forEach(function (ssrc) {
if (ssrc2jid[ssrc] == jid) {
delete ssrc2jid[ssrc];
}
if (ssrc2videoType == jid) {
delete ssrc2videoType[ssrc];
}
});
$(pres).find('>media[xmlns="http://estos.de/ns/mjs"]>source').each(function (idx, ssrc) {
//console.log(jid, 'assoc ssrc', ssrc.getAttribute('type'), ssrc.getAttribute('ssrc'));
var ssrcV = ssrc.getAttribute('ssrc');
ssrc2jid[ssrcV] = jid;
var type = ssrc.getAttribute('type');
ssrc2videoType[ssrcV] = type;
// might need to update the direction if participant just went from sendrecv to recvonly
if (type === 'video' || type === 'screen') {
var el = $('#participant_' + Strophe.getResourceFromJid(jid) + '>video');
switch (ssrc.getAttribute('direction')) {
case 'sendrecv':
el.show();
break;
case 'recvonly':
el.hide();
// FIXME: Check if we have to change large video
//VideoLayout.checkChangeLargeVideo(el);
break;
}
}
});
if (info.displayName) {
if (jid === connection.emuc.myroomjid) {
VideoLayout.setDisplayName('localVideoContainer',
info.displayName + ' (me)');
} else {
VideoLayout.ensurePeerContainerExists(jid);
VideoLayout.setDisplayName(
'participant_' + Strophe.getResourceFromJid(jid),
info.displayName);
}
}
});
$(document).bind('passwordrequired.muc', function (event, jid) {
console.log('on password required', jid);
$.prompt('<h2>Password required</h2>' +
'<input id="lockKey" type="text" placeholder="shared key" autofocus>', {
persistent: true,
buttons: { "Ok": true, "Cancel": false},
defaultButton: 1,
loaded: function (event) {
document.getElementById('lockKey').focus();
},
submit: function (e, v, m, f) {
if (v) {
var lockKey = document.getElementById('lockKey');
if (lockKey.value !== null) {
setSharedKey(lockKey.value);
connection.emuc.doJoin(jid, lockKey.value);
}
}
}
});
});
/**
* Checks if video identified by given src is desktop stream.
* @param videoSrc eg.
* blob:https%3A//pawel.jitsi.net/9a46e0bd-131e-4d18-9c14-a9264e8db395
* @returns {boolean}
*/
function isVideoSrcDesktop(videoSrc) {
// FIXME: fix this mapping mess...
// figure out if large video is desktop stream or just a camera
var isDesktop = false;
if (localVideoSrc === videoSrc) {
// local video
isDesktop = isUsingScreenStream;
} else {
// Do we have associations...
var videoSsrc = videoSrcToSsrc[videoSrc];
if (videoSsrc) {
var videoType = ssrc2videoType[videoSsrc];
if (videoType) {
// Finally there...
isDesktop = videoType === 'screen';
} else {
console.error("No video type for ssrc: " + videoSsrc);
}
} else {
console.error("No ssrc for src: " + videoSrc);
}
}
return isDesktop;
}
function getConferenceHandler() {
return focus ? focus : activecall;
}
function toggleVideo() {
if (!(connection && connection.jingle.localVideo))
return;
var sess = getConferenceHandler();
if (sess) {
sess.toggleVideoMute(
function (isMuted) {
if (isMuted) {
$('#video').removeClass("icon-camera");
$('#video').addClass("icon-camera icon-camera-disabled");
} else {
$('#video').removeClass("icon-camera icon-camera-disabled");
$('#video').addClass("icon-camera");
}
}
);
}
sess = focus || activecall;
if (!sess) {
return;
}
sess.pendingop = ismuted ? 'unmute' : 'mute';
// connection.emuc.addVideoInfoToPresence(!ismuted);
// connection.emuc.sendPresence();
sess.modifySources();
}
/**
* Mutes / unmutes audio for the local participant.
*/
function toggleAudio() {
if (!(connection && connection.jingle.localAudio)) {
preMuted = true;
// We still click the button.
buttonClick("#mute", "icon-microphone icon-mic-disabled");
return;
}
var localAudio = connection.jingle.localAudio;
for (var idx = 0; idx < localAudio.getAudioTracks().length; idx++) {
var audioEnabled = localAudio.getAudioTracks()[idx].enabled;
localAudio.getAudioTracks()[idx].enabled = !audioEnabled;
// isMuted is the opposite of audioEnabled
connection.emuc.addAudioInfoToPresence(audioEnabled);
connection.emuc.sendPresence();
}
buttonClick("#mute", "icon-microphone icon-mic-disabled");
}
/**
* Returns an array of the video horizontal and vertical indents,
* so that if fits its parent.
*
* @return an array with 2 elements, the horizontal indent and the vertical
* indent
*/
function getCameraVideoPosition(videoWidth,
videoHeight,
videoSpaceWidth,
videoSpaceHeight) {
// Parent height isn't completely calculated when we position the video in
// full screen mode and this is why we use the screen height in this case.
// Need to think it further at some point and implement it properly.
var isFullScreen = document.fullScreen ||
document.mozFullScreen ||
document.webkitIsFullScreen;
if (isFullScreen)
videoSpaceHeight = window.innerHeight;
var horizontalIndent = (videoSpaceWidth - videoWidth) / 2;
var verticalIndent = (videoSpaceHeight - videoHeight) / 2;
return [horizontalIndent, verticalIndent];
}
/**
* Returns an array of the video horizontal and vertical indents.
* Centers horizontally and top aligns vertically.
*
* @return an array with 2 elements, the horizontal indent and the vertical
* indent
*/
function getDesktopVideoPosition(videoWidth,
videoHeight,
videoSpaceWidth,
videoSpaceHeight) {
var horizontalIndent = (videoSpaceWidth - videoWidth) / 2;
var verticalIndent = 0;// Top aligned
return [horizontalIndent, verticalIndent];
}
/**
* Returns an array of the video dimensions, so that it covers the screen.
* It leaves no empty areas, but some parts of the video might not be visible.
*
* @return an array with 2 elements, the video width and the video height
*/
function getCameraVideoSize(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);
if (availableWidth / aspectRatio < videoSpaceHeight) {
availableHeight = videoSpaceHeight;
availableWidth = availableHeight * aspectRatio;
}
if (availableHeight * aspectRatio < videoSpaceWidth) {
availableWidth = videoSpaceWidth;
availableHeight = availableWidth / aspectRatio;
}
return [availableWidth, availableHeight];
}
$(document).ready(function () {
Chat.init();
$('body').popover({ selector: '[data-toggle=popover]',
trigger: 'click hover'});
// Set the defaults for prompt dialogs.
jQuery.prompt.setDefaults({persistent: false});
// Set default desktop sharing method
setDesktopSharing(config.desktopSharing);
// Initialize Chrome extension inline installs
if (config.chromeExtensionId) {
initInlineInstalls();
}
// By default we use camera
getVideoSize = getCameraVideoSize;
getVideoPosition = getCameraVideoPosition;
VideoLayout.resizeLargeVideoContainer();
$(window).resize(function () {
VideoLayout.resizeLargeVideoContainer();
VideoLayout.positionLarge();
});
// Listen for large video size updates
document.getElementById('largeVideo')
.addEventListener('loadedmetadata', function (e) {
currentVideoWidth = this.videoWidth;
currentVideoHeight = this.videoHeight;
VideoLayout.positionLarge(currentVideoWidth, currentVideoHeight);
});
if (!$('#settings').is(':visible')) {
console.log('init');
init();
} else {
loginInfo.onsubmit = function (e) {
if (e.preventDefault) e.preventDefault();
$('#settings').hide();
init();
};
}
});
$(window).bind('beforeunload', function () {
if (connection && connection.connected) {
// ensure signout
$.ajax({
type: 'POST',
url: config.bosh,
async: false,
cache: false,
contentType: 'application/xml',
data: "<body rid='" + (connection.rid || connection._proto.rid) + "' xmlns='http://jabber.org/protocol/httpbind' sid='" + (connection.sid || connection._proto.sid) + "' type='terminate'><presence xmlns='jabber:client' type='unavailable'/></body>",
success: function (data) {
console.log('signed out');
console.log(data);
},
error: function (XMLHttpRequest, textStatus, errorThrown) {
console.log('signout error', textStatus + ' (' + errorThrown + ')');
}
});
}
disposeConference();
});
function disposeConference() {
var handler = getConferenceHandler();
if (handler && handler.peerconnection) {
// FIXME: probably removing streams is not required and close() should be enough
if (connection.jingle.localAudio) {
handler.peerconnection.removeStream(connection.jingle.localAudio);
}
if (connection.jingle.localVideo) {
handler.peerconnection.removeStream(connection.jingle.localVideo);
}
handler.peerconnection.close();
}
if (statsCollector)
{
statsCollector.stop();
statsCollector = null;
}
focus = null;
activecall = null;
}
function dump(elem, filename) {
elem = elem.parentNode;
elem.download = filename || 'meetlog.json';
elem.href = 'data:application/json;charset=utf-8,\n';
var data = {};
if (connection.jingle) {
Object.keys(connection.jingle.sessions).forEach(function (sid) {
var session = connection.jingle.sessions[sid];
if (session.peerconnection && session.peerconnection.updateLog) {
// FIXME: should probably be a .dump call
data["jingle_" + session.sid] = {
updateLog: session.peerconnection.updateLog,
stats: session.peerconnection.stats,
url: window.location.href
};
}
});
}
metadata = {};
metadata.time = new Date();
metadata.url = window.location.href;
metadata.ua = navigator.userAgent;
if (connection.logger) {
metadata.xmpp = connection.logger.log;
}
data.metadata = metadata;
elem.href += encodeURIComponent(JSON.stringify(data, null, ' '));
return false;
}
/**
* Changes the style class of the element given by id.
*/
function buttonClick(id, classname) {
$(id).toggleClass(classname); // add the class to the clicked element
}
/**
* Shows a message to the user.
*
* @param titleString the title of the message
* @param messageString the text of the message
*/
function openMessageDialog(titleString, messageString) {
$.prompt(messageString,
{
title: titleString,
persistent: false
}
);
}
/**
* Locks / unlocks the room.
*/
function lockRoom(lock) {
if (lock)
connection.emuc.lockRoom(sharedKey);
else
connection.emuc.lockRoom('');
Toolbar.updateLockButton();
}
/**
* Sets the shared key.
*/
function setSharedKey(sKey) {
sharedKey = sKey;
}
/**
* Updates the room invite url.
*/
function updateRoomUrl(newRoomUrl) {
roomUrl = newRoomUrl;
// If the invite dialog has been already opened we update the information.
var inviteLink = document.getElementById('inviteLinkRef');
if (inviteLink) {
inviteLink.value = roomUrl;
inviteLink.select();
document.getElementById('jqi_state0_buttonInvite').disabled = false;
}
}
/**
* Warning to the user that the conference window is about to be closed.
*/
function closePageWarning() {
if (focus !== null)
return "You are the owner of this conference call and"
+ " you are about to end it.";
else
return "You are about to leave this conversation.";
}
/**
* Resizes and repositions videos in full screen mode.
*/
$(document).on('webkitfullscreenchange mozfullscreenchange fullscreenchange',
function () {
VideoLayout.resizeLargeVideoContainer();
VideoLayout.positionLarge();
isFullScreen = document.fullScreen ||
document.mozFullScreen ||
document.webkitIsFullScreen;
if (isFullScreen) {
setView("fullscreen");
}
else {
setView("default");
}
}
);
/**
* Sets the current view.
*/
function setView(viewName) {
// if (viewName == "fullscreen") {
// document.getElementById('videolayout_fullscreen').disabled = false;
// document.getElementById('videolayout_default').disabled = true;
// }
// else {
// document.getElementById('videolayout_default').disabled = false;
// document.getElementById('videolayout_fullscreen').disabled = true;
// }
}
$(document).bind('fatalError.jingle',
function (event, session, error)
{
sessionTerminated = true;
connection.emuc.doLeave();
openMessageDialog( "Sorry",
"Your browser version is too old. Please update and try again...");
}
);