609 lines
20 KiB
JavaScript
609 lines
20 KiB
JavaScript
/* jshint -W117 */
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/* application specific logic */
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var connection = null;
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var focus = null;
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var RTC;
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var RTCPeerConnection = null;
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var nickname = null;
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var sharedKey = '';
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var roomUrl = null;
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window.onbeforeunload = closePageWarning;
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function init() {
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RTC = setupRTC();
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if (RTC === null) {
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window.location.href = 'webrtcrequired.html';
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return;
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} else if (RTC.browser != 'chrome') {
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window.location.href = 'chromeonly.html';
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return;
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}
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RTCPeerconnection = TraceablePeerConnection;
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connection = new Strophe.Connection(document.getElementById('boshURL').value || config.bosh || '/http-bind');
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if (connection.disco) {
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// for chrome, add multistream cap
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}
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connection.jingle.pc_constraints = RTC.pc_constraints;
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var jid = document.getElementById('jid').value || config.hosts.domain || window.location.hostname;
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connection.connect(jid, document.getElementById('password').value, function (status) {
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if (status == Strophe.Status.CONNECTED) {
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console.log('connected');
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if (RTC.browser == 'firefox') {
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getUserMediaWithConstraints(['audio']);
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} else {
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getUserMediaWithConstraints(['audio', 'video'], '360');
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}
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document.getElementById('connect').disabled = true;
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} else {
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console.log('status', status);
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}
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});
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}
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function doJoin() {
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var roomnode = null;
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var path = window.location.pathname;
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var roomjid;
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/*
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* this is making assumptions about how the URL->room mapping happens.
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* It currently assumes deployment at root, with a rewrite like the
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* following one (for nginx):
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location ~ ^/([a-zA-Z0-9]+)$ {
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rewrite ^/(.*)$ / break;
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}
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*/
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if (path.length > 1) {
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roomnode = path.substr(1).toLowerCase();
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} else {
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roomnode = Math.random().toString(36).substr(2, 20);
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window.history.pushState('VideoChat', 'Room: ' + roomnode, window.location.pathname + roomnode);
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}
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roomjid = roomnode + '@' + config.hosts.muc;
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if (config.useNicks) {
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var nick = window.prompt('Your nickname (optional)');
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if (nick) {
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roomjid += '/' + nick;
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} else {
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roomjid += '/' + Strophe.getNodeFromJid(connection.jid);
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}
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} else {
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roomjid += '/' + Strophe.getNodeFromJid(connection.jid);
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}
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connection.emuc.doJoin(roomjid);
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}
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$(document).bind('mediaready.jingle', function (event, stream) {
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connection.jingle.localStream = stream;
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RTC.attachMediaStream($('#localVideo'), stream);
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document.getElementById('localVideo').muted = true;
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document.getElementById('localVideo').autoplay = true;
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document.getElementById('localVideo').volume = 0;
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document.getElementById('largeVideo').volume = 0;
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document.getElementById('largeVideo').src = document.getElementById('localVideo').src;
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doJoin();
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});
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$(document).bind('mediafailure.jingle', function () {
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// FIXME
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});
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$(document).bind('remotestreamadded.jingle', function (event, data, sid) {
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function waitForRemoteVideo(selector, sid) {
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var sess = connection.jingle.sessions[sid];
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videoTracks = data.stream.getVideoTracks();
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if (videoTracks.length === 0 || selector[0].currentTime > 0) {
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RTC.attachMediaStream(selector, data.stream); // FIXME: why do i have to do this for FF?
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$(document).trigger('callactive.jingle', [selector, sid]);
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console.log('waitForremotevideo', sess.peerconnection.iceConnectionState, sess.peerconnection.signalingState);
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} else {
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setTimeout(function () { waitForRemoteVideo(selector, sid); }, 100);
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}
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}
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var sess = connection.jingle.sessions[sid];
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var vid = document.createElement('video');
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// FIXME: the span should not be created here but on muc join
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var span = document.createElement('span');
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if (data.peerjid) {
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// FIXME: how to name this span? data.peerjid is not set for jingle clients
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span.id = 'participant_' + Strophe.getResourceFromJid(data.peerjid);
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}
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span.className = 'videocontainer';
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var id = 'remoteVideo_' + sid + '_' + data.stream.id;
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vid.id = id;
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vid.autoplay = true;
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vid.oncontextmenu = function () { return false; };
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var remotes = document.getElementById('remoteVideos');
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span.appendChild(vid);
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if (id.indexOf('mixedmslabel') != -1) {
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$(span).hide();
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}
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remotes.appendChild(span);
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var sel = $('#' + id);
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sel.hide();
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RTC.attachMediaStream(sel, data.stream);
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waitForRemoteVideo(sel, sid);
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data.stream.onended = function () {
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console.log('stream ended', this.id);
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var src = $('#' + id).attr('src');
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// FIXME: likewise, the parent should not be removed here
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// but on MUC part
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$('#' + id).parent().remove();
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if (src === $('#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 = $('#remoteVideos>span:visible:last>video').get(0);
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// mute if localvideo
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document.getElementById('largeVideo').volume = pick.volume;
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document.getElementById('largeVideo').src = pick.src;
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}
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resizeThumbnails();
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};
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sel.click(
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function () {
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console.log('hover in', $(this).attr('src'));
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var newSrc = $(this).attr('src');
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if ($('#largeVideo').attr('src') != newSrc) {
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document.getElementById('largeVideo').volume = 1;
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$('#largeVideo').fadeOut(300, function () {
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$(this).attr('src', newSrc);
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$(this).fadeIn(300);
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});
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}
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}
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);
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});
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$(document).bind('callincoming.jingle', function (event, sid) {
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var sess = connection.jingle.sessions[sid];
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// TODO: check affiliation and/or role
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console.log('emuc data for', sess.peerjid, connection.emuc.members[sess.peerjid]);
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sess.sendAnswer();
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sess.accept();
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});
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$(document).bind('callactive.jingle', function (event, videoelem, sid) {
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if (videoelem.attr('id').indexOf('mixedmslabel') == -1) {
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// ignore mixedmslabela0 and v0
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videoelem.show();
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resizeThumbnails();
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document.getElementById('largeVideo').volume = 1;
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$('#largeVideo').attr('src', videoelem.attr('src'));
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}
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});
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$(document).bind('callterminated.jingle', function (event, sid, reason) {
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// FIXME
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});
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$(document).bind('joined.muc', function (event, jid, info) {
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updateRoomUrl(window.location.href);
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// Once we've joined the muc show the toolbar
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showToolbar();
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if (Object.keys(connection.emuc.members).length < 1) {
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focus = new ColibriFocus(connection, config.hosts.bridge);
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}
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});
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$(document).bind('entered.muc', function (event, jid, info) {
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console.log('entered', jid, info);
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console.log(focus);
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if (focus !== null) {
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// FIXME: this should prepare the video
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if (focus.confid === null) {
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console.log('make new conference with', jid);
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focus.makeConference(Object.keys(connection.emuc.members));
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} else {
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console.log('invite', jid, 'into conference');
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focus.addNewParticipant(jid);
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}
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}
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else if (sharedKey) {
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updateLockButton();
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}
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});
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$(document).bind('left.muc', function (event, jid) {
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console.log('left', jid);
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connection.jingle.terminateByJid(jid);
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// FIXME: this should actually hide the video already for a nicer UX
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if (Object.keys(connection.emuc.members).length === 0) {
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console.log('everyone left');
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if (focus !== null) {
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// FIXME: closing the connection is a hack to avoid some
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// problemswith reinit
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if (focus.peerconnection !== null) {
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focus.peerconnection.close();
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}
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focus = new ColibriFocus(connection, config.hosts.bridge);
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}
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}
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});
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$(document).bind('passwordrequired.muc', function (event, jid) {
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console.log('on password required', jid);
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$.prompt('<h2>Password required</h2>' +
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'<input id="lockKey" type="text" placeholder="shared key" autofocus>',
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{
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persistent: true,
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buttons: { "Ok": true , "Cancel": false},
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defaultButton: 1,
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loaded: function(event) {
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document.getElementById('lockKey').focus();
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},
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submit: function(e,v,m,f){
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if(v)
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{
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var lockKey = document.getElementById('lockKey');
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if (lockKey.value != null)
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{
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setSharedKey(lockKey);
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connection.emuc.doJoin(jid, lockKey.value);
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}
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}
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}
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});
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});
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function toggleVideo() {
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if (!(connection && connection.jingle.localStream)) return;
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for (var idx = 0; idx < connection.jingle.localStream.getVideoTracks().length; idx++) {
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connection.jingle.localStream.getVideoTracks()[idx].enabled = !connection.jingle.localStream.getVideoTracks()[idx].enabled;
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}
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}
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function toggleAudio() {
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if (!(connection && connection.jingle.localStream)) return;
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for (var idx = 0; idx < connection.jingle.localStream.getAudioTracks().length; idx++) {
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connection.jingle.localStream.getAudioTracks()[idx].enabled = !connection.jingle.localStream.getAudioTracks()[idx].enabled;
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}
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}
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function resizeLarge() {
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var availableHeight = window.innerHeight;
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var chatspaceWidth = $('#chatspace').width();
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var numvids = $('#remoteVideos>video:visible').length;
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if (numvids < 5)
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availableHeight -= 100; // min thumbnail height for up to 4 videos
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else
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availableHeight -= 50; // min thumbnail height for more than 5 videos
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availableHeight -= 79; // padding + link ontop
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var availableWidth = window.innerWidth - chatspaceWidth;
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var aspectRatio = 16.0 / 9.0;
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if (availableHeight < availableWidth / aspectRatio) {
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availableWidth = Math.floor(availableHeight * aspectRatio);
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}
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if (availableWidth < 0 || availableHeight < 0) return;
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$('#largeVideo').parent().width(availableWidth);
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$('#largeVideo').parent().height(availableWidth / aspectRatio);
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resizeThumbnails();
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}
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function resizeThumbnails() {
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// Calculate the available height, which is the inner window height minus 39px for the header
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// minus 4px for the delimiter lines on the top and bottom of the large video,
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// minus the 36px space inside the remoteVideos container used for highlighting shadow.
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var availableHeight = window.innerHeight - $('#largeVideo').height() - 79;
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var numvids = $('#remoteVideos>span:visible').length;
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// Remove the 1px borders arround videos.
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var availableWinWidth = $('#remoteVideos').width() - 2 * numvids;
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var availableWidth = availableWinWidth / numvids;
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var aspectRatio = 16.0 / 9.0;
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var maxHeight = Math.min(160, availableHeight);
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availableHeight = Math.min(maxHeight, availableWidth / aspectRatio);
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if (availableHeight < availableWidth / aspectRatio) {
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availableWidth = Math.floor(availableHeight * aspectRatio);
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}
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// size videos so that while keeping AR and max height, we have a nice fit
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$('#remoteVideos').height(availableHeight+26); // add the 2*18px-padding-top border used for highlighting shadow.
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$('#remoteVideos>span').width(availableWidth);
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$('#remoteVideos>span').height(availableHeight);
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}
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$(document).ready(function () {
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$('#nickinput').keydown(function(event) {
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if (event.keyCode == 13) {
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event.preventDefault();
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var val = this.value;
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this.value = '';
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if (!nickname) {
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nickname = val;
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$('#nickname').css({visibility:"hidden"});
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$('#chatconversation').css({visibility:'visible'});
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$('#usermsg').css({visibility:'visible'});
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$('#usermsg').focus();
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return;
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}
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}
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});
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$('#usermsg').keydown(function(event) {
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if (event.keyCode == 13) {
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event.preventDefault();
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var message = this.value;
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$('#usermsg').val('').trigger('autosize.resize');
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this.focus();
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connection.emuc.sendMessage(message, nickname);
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}
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});
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$('#usermsg').autosize();
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resizeLarge();
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$(window).resize(function () {
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resizeLarge();
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});
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if (!$('#settings').is(':visible')) {
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console.log('init');
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init();
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} else {
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loginInfo.onsubmit = function (e) {
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if (e.preventDefault) e.preventDefault();
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$('#settings').hide();
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init();
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};
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}
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});
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$(window).bind('beforeunload', function () {
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if (connection && connection.connected) {
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// ensure signout
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$.ajax({
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type: 'POST',
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url: config.bosh,
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async: false,
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cache: false,
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contentType: 'application/xml',
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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>",
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success: function (data) {
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console.log('signed out');
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console.log(data);
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},
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error: function (XMLHttpRequest, textStatus, errorThrown) {
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console.log('signout error', textStatus + ' (' + errorThrown + ')');
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}
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});
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}
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});
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function dump(elem, filename){
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elem = elem.parentNode;
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elem.download = filename || 'xmpplog.json';
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elem.href = 'data:application/json;charset=utf-8,\n';
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var data = {};
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data.time = new Date();
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data.url = window.location.href;
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data.ua = navigator.userAgent;
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if (connection.logger) {
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data.xmpp = connection.logger.log;
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}
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if (connection.jingle) {
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Object.keys(connection.jingle.sessions).forEach(function (sid) {
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var session = connection.jingle.sessions[sid];
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if (session.peerconnection && session.peerconnection.updateLog) {
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// FIXME: should probably be a .dump call
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data["jingle_" + session.sid] = session.peerconnection.updateLog;
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}
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});
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}
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elem.href += encodeURIComponent(JSON.stringify(data, null, ' '));
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return false;
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}
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/*
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* Appends the given message to the chat conversation.
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*/
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// <a onclick="dump(event.target);">my download button</a>
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function dump(elem, filename){
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elem = elem.parentNode;
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elem.download = filename || 'xmpplog.json';
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elem.href = 'data:application/json;charset=utf-8,\n';
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var data = {};
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data.time = new Date();
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data.url = window.location.href;
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data.ua = navigator.userAgent;
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if (connection.logger) {
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data.xmpp = connection.logger.log;
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}
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if (connection.jingle) {
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Object.keys(connection.jingle.sessions).forEach(function (sid) {
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var session = connection.jingle.sessions[sid];
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if (session.peerconnection && session.peerconnection.updateLog) {
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// FIXME: should probably be a .dump call
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data["jingle_" + session.sid] = session.peerconnection.updateLog;
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}
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});
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}
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elem.href += encodeURIComponent(JSON.stringify(data, null, ' '));
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return false;
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}
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/*
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* Appends the given message to the chat conversation.
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*/
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function updateChatConversation(nick, message)
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{
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var divClassName = '';
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if (nickname == nick)
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divClassName = "localuser";
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else
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divClassName = "remoteuser";
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$('#chatconversation').append('<div class="' + divClassName + '"><b>' + nick + ': </b>' + message + '</div>');
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$('#chatconversation').animate({ scrollTop: $('#chatconversation')[0].scrollHeight}, 1000);
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}
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/*
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* Changes the style class of the element given by id.
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*/
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function buttonClick(id, classname) {
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$(id).toggleClass(classname); // add the class to the clicked element
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}
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/*
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* Opens the lock room dialog.
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*/
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function openLockDialog() {
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// Only the focus is able to set a shared key.
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if (focus == null) {
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if (sharedKey)
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$.prompt("This conversation is currently protected by a shared secret key.",
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{
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title: "Secrect key",
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persistent: false
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});
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else
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$.prompt("This conversation isn't currently protected by a secret key. Only the owner of the conference could set a shared key.",
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{
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title: "Secrect key",
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persistent: false
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});
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}
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else {
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if (sharedKey)
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$.prompt("Are you sure you would like to remove your secret key?",
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{
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title: "Remove secrect key",
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persistent: false,
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buttons: { "Remove": true, "Cancel": false},
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defaultButton: 1,
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submit: function(e,v,m,f){
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if(v)
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{
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setSharedKey('');
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lockRoom();
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}
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}
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});
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else
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$.prompt('<h2>Set a secrect key to lock your room</h2>' +
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'<input id="lockKey" type="text" placeholder="your shared key" autofocus>',
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{
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persistent: false,
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buttons: { "Save": true , "Cancel": false},
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defaultButton: 1,
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loaded: function(event) {
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document.getElementById('lockKey').focus();
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},
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submit: function(e,v,m,f){
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if(v)
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{
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var lockKey = document.getElementById('lockKey');
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if (lockKey.value)
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{
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console.log("LOCK KEY", lockKey.value);
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setSharedKey(lockKey.value);
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lockRoom(true);
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|
}
|
|
}
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Opens the invite link dialog.
|
|
*/
|
|
function openLinkDialog() {
|
|
$.prompt('<input id="inviteLinkRef" type="text" value="' + roomUrl + '" onclick="this.select();">',
|
|
{
|
|
title: "Share this link with everyone you want to invite",
|
|
persistent: false,
|
|
buttons: { "Cancel": false},
|
|
loaded: function(event) {
|
|
document.getElementById('inviteLinkRef').select();
|
|
}
|
|
});
|
|
}
|
|
|
|
/*
|
|
* Locks / unlocks the room.
|
|
*/
|
|
function lockRoom(lock) {
|
|
connection.emuc.lockRoom(sharedKey);
|
|
|
|
updateLockButton();
|
|
}
|
|
|
|
/*
|
|
* Sets the shared key.
|
|
*/
|
|
function setSharedKey(sKey) {
|
|
sharedKey = sKey;
|
|
}
|
|
|
|
/*
|
|
* Updates the lock button state.
|
|
*/
|
|
function updateLockButton() {
|
|
buttonClick("#lockIcon", "fa fa-unlock fa-lg fa fa-lock fa-lg");
|
|
}
|
|
|
|
/*
|
|
* Opens / closes the chat area.
|
|
*/
|
|
function openChat() {
|
|
var chatspace = $('#chatspace');
|
|
var videospace = $('#videospace');
|
|
var chatspaceWidth = chatspace.width();
|
|
|
|
if (chatspace.css("opacity") == 1) {
|
|
chatspace.animate({opacity: 0}, "fast");
|
|
chatspace.animate({width: 0}, "slow");
|
|
videospace.animate({right: 0, width:"100%"}, "slow");
|
|
}
|
|
else {
|
|
chatspace.animate({width:"20%"}, "slow");
|
|
chatspace.animate({opacity: 1}, "slow");
|
|
videospace.animate({right:chatspaceWidth, width:"80%"}, "slow");
|
|
}
|
|
|
|
// Request the focus in the nickname field or the chat input field.
|
|
if ($('#nickinput').is(':visible'))
|
|
$('#nickinput').focus();
|
|
else
|
|
$('#usermsg').focus();
|
|
}
|
|
|
|
/*
|
|
* Shows the call main toolbar.
|
|
*/
|
|
function showToolbar() {
|
|
$('#toolbar').css({visibility:"visible"});
|
|
}
|
|
|
|
/*
|
|
* Updates the room invite url.
|
|
*/
|
|
function updateRoomUrl(newRoomUrl) {
|
|
roomUrl = newRoomUrl;
|
|
}
|
|
|
|
/*
|
|
* 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.";
|
|
|
|
}
|