480 lines
16 KiB
JavaScript
480 lines
16 KiB
JavaScript
/* global $, APP, config, Strophe*/
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var Moderator = require("./moderator");
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var EventEmitter = require("events");
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var Recording = require("./recording");
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var SDP = require("./SDP");
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var Pako = require("pako");
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var StreamEventTypes = require("../../service/RTC/StreamEventTypes");
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var UIEvents = require("../../service/UI/UIEvents");
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var XMPPEvents = require("../../service/xmpp/XMPPEvents");
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var eventEmitter = new EventEmitter();
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var connection = null;
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var authenticatedUser = false;
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function connect(jid, password) {
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connection = XMPP.createConnection();
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Moderator.setConnection(connection);
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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 = APP.RTC.getPCConstraints();
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if (config.useIPv6) {
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// https://code.google.com/p/webrtc/issues/detail?id=2828
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if (!connection.jingle.pc_constraints.optional)
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connection.jingle.pc_constraints.optional = [];
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connection.jingle.pc_constraints.optional.push({googIPv6: true});
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}
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var anonymousConnectionFailed = false;
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connection.connect(jid, password, function (status, msg) {
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console.log('Strophe status changed to',
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Strophe.getStatusString(status));
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if (status === Strophe.Status.CONNECTED) {
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if (config.useStunTurn) {
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connection.jingle.getStunAndTurnCredentials();
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}
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console.info("My Jabber ID: " + connection.jid);
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if(password)
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authenticatedUser = true;
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maybeDoJoin();
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} else if (status === Strophe.Status.CONNFAIL) {
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if(msg === 'x-strophe-bad-non-anon-jid') {
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anonymousConnectionFailed = true;
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}
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} else if (status === Strophe.Status.DISCONNECTED) {
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if(anonymousConnectionFailed) {
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// prompt user for username and password
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XMPP.promptLogin();
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}
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} else if (status === Strophe.Status.AUTHFAIL) {
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// wrong password or username, prompt user
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XMPP.promptLogin();
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}
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});
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}
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function maybeDoJoin() {
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if (connection && connection.connected &&
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Strophe.getResourceFromJid(connection.jid)
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&& (APP.RTC.localAudio || APP.RTC.localVideo)) {
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// .connected is true while connecting?
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doJoin();
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}
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}
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function doJoin() {
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var roomName = APP.UI.generateRoomName();
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Moderator.allocateConferenceFocus(
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roomName, APP.UI.checkForNicknameAndJoin);
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}
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function initStrophePlugins()
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{
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require("./strophe.emuc")(XMPP, eventEmitter);
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require("./strophe.jingle")(XMPP, eventEmitter);
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require("./strophe.moderate")(XMPP);
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require("./strophe.util")();
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require("./strophe.rayo")();
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require("./strophe.logger")();
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}
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function registerListeners() {
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APP.RTC.addStreamListener(maybeDoJoin,
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StreamEventTypes.EVENT_TYPE_LOCAL_CREATED);
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APP.UI.addListener(UIEvents.NICKNAME_CHANGED, function (nickname) {
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XMPP.addToPresence("displayName", nickname);
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});
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}
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function setupEvents() {
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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)
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+ "' xmlns='http://jabber.org/protocol/httpbind' sid='"
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+ (connection.sid || connection._proto.sid)
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+ "' type='terminate'>" +
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"<presence xmlns='jabber:client' type='unavailable'/>" +
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"</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',
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textStatus + ' (' + errorThrown + ')');
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}
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});
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}
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XMPP.disposeConference(true);
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});
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}
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var XMPP = {
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sessionTerminated: false,
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/**
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* XMPP connection status
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*/
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Status: Strophe.Status,
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/**
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* Remembers if we were muted by the focus.
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* @type {boolean}
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*/
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forceMuted: false,
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start: function () {
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setupEvents();
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initStrophePlugins();
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registerListeners();
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Moderator.init(this, eventEmitter);
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var configDomain = config.hosts.anonymousdomain || config.hosts.domain;
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// Force authenticated domain if room is appended with '?login=true'
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if (config.hosts.anonymousdomain &&
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window.location.search.indexOf("login=true") !== -1) {
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configDomain = config.hosts.domain;
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}
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var jid = configDomain || window.location.hostname;
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connect(jid, null);
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},
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createConnection: function () {
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var bosh = config.bosh || '/http-bind';
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return new Strophe.Connection(bosh);
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},
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getStatusString: function (status) {
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return Strophe.getStatusString(status);
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},
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promptLogin: function () {
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// FIXME: re-use LoginDialog which supports retries
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APP.UI.showLoginPopup(connect);
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},
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joinRoom: function(roomName, useNicks, nick)
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{
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var roomjid;
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roomjid = roomName;
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if (useNicks) {
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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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var tmpJid = Strophe.getNodeFromJid(connection.jid);
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if(!authenticatedUser)
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tmpJid = tmpJid.substr(0, 8);
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roomjid += '/' + tmpJid;
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}
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connection.emuc.doJoin(roomjid);
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},
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myJid: function () {
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if(!connection)
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return null;
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return connection.emuc.myroomjid;
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},
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myResource: function () {
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if(!connection || ! connection.emuc.myroomjid)
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return null;
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return Strophe.getResourceFromJid(connection.emuc.myroomjid);
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},
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disposeConference: function (onUnload) {
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eventEmitter.emit(XMPPEvents.DISPOSE_CONFERENCE, onUnload);
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var handler = connection.jingle.activecall;
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if (handler && handler.peerconnection) {
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// FIXME: probably removing streams is not required and close() should
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// be enough
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if (APP.RTC.localAudio) {
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handler.peerconnection.removeStream(APP.RTC.localAudio.getOriginalStream(), onUnload);
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}
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if (APP.RTC.localVideo) {
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handler.peerconnection.removeStream(APP.RTC.localVideo.getOriginalStream(), onUnload);
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}
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handler.peerconnection.close();
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}
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connection.jingle.activecall = null;
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if(!onUnload)
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{
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this.sessionTerminated = true;
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connection.emuc.doLeave();
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}
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},
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addListener: function(type, listener)
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{
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eventEmitter.on(type, listener);
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},
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removeListener: function (type, listener) {
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eventEmitter.removeListener(type, listener);
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},
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allocateConferenceFocus: function(roomName, callback) {
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Moderator.allocateConferenceFocus(roomName, callback);
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},
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getLoginUrl: function (roomName, callback) {
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Moderator.getLoginUrl(roomName, callback);
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},
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getPopupLoginUrl: function (roomName, callback) {
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Moderator.getPopupLoginUrl(roomName, callback);
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},
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isModerator: function () {
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return Moderator.isModerator();
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},
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isSipGatewayEnabled: function () {
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return Moderator.isSipGatewayEnabled();
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},
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isExternalAuthEnabled: function () {
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return Moderator.isExternalAuthEnabled();
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},
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switchStreams: function (stream, oldStream, callback) {
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if (connection && connection.jingle.activecall) {
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// FIXME: will block switchInProgress on true value in case of exception
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connection.jingle.activecall.switchStreams(stream, oldStream, callback);
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} else {
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// We are done immediately
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console.warn("No conference handler or conference not started yet");
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callback();
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}
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},
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setVideoMute: function (mute, callback, options) {
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if(!connection || !APP.RTC.localVideo)
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return;
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var localCallback = function (mute) {
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connection.emuc.addVideoInfoToPresence(mute);
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connection.emuc.sendPresence();
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return callback(mute);
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};
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if (mute == APP.RTC.localVideo.isMuted())
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{
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// Even if no change occurs, the specified callback is to be executed.
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// The specified callback may, optionally, return a successCallback
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// which is to be executed as well.
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var successCallback = localCallback(mute);
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if (successCallback) {
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successCallback();
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}
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} else {
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APP.RTC.localVideo.setMute(!mute);
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if(connection.jingle.activecall)
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{
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connection.jingle.activecall.setVideoMute(
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mute, localCallback, options);
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}
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else {
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localCallback(mute);
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}
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}
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},
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setAudioMute: function (mute, callback) {
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if (!(connection && APP.RTC.localAudio)) {
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return false;
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}
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if (this.forceMuted && !mute) {
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console.info("Asking focus for unmute");
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connection.moderate.setMute(connection.emuc.myroomjid, mute);
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// FIXME: wait for result before resetting muted status
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this.forceMuted = false;
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}
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if (mute == APP.RTC.localAudio.isMuted()) {
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// Nothing to do
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return true;
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}
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// It is not clear what is the right way to handle multiple tracks.
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// So at least make sure that they are all muted or all unmuted and
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// that we send presence just once.
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APP.RTC.localAudio.mute();
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// isMuted is the opposite of audioEnabled
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connection.emuc.addAudioInfoToPresence(mute);
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connection.emuc.sendPresence();
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callback();
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return true;
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},
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// Really mute video, i.e. dont even send black frames
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muteVideo: function (pc, unmute) {
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// FIXME: this probably needs another of those lovely state safeguards...
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// which checks for iceconn == connected and sigstate == stable
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pc.setRemoteDescription(pc.remoteDescription,
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function () {
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pc.createAnswer(
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function (answer) {
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var sdp = new SDP(answer.sdp);
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if (sdp.media.length > 1) {
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if (unmute)
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sdp.media[1] = sdp.media[1].replace('a=recvonly', 'a=sendrecv');
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else
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sdp.media[1] = sdp.media[1].replace('a=sendrecv', 'a=recvonly');
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sdp.raw = sdp.session + sdp.media.join('');
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answer.sdp = sdp.raw;
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}
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pc.setLocalDescription(answer,
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function () {
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console.log('mute SLD ok');
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},
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function (error) {
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console.log('mute SLD error');
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APP.UI.messageHandler.showError("dialog.error",
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"dialog.SLDFailure");
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}
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);
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},
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function (error) {
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console.log(error);
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APP.UI.messageHandler.showError();
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}
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);
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},
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function (error) {
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console.log('muteVideo SRD error');
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APP.UI.messageHandler.showError("dialog.error",
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"dialog.SRDFailure");
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}
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);
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},
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toggleRecording: function (tokenEmptyCallback,
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startingCallback, startedCallback) {
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Recording.toggleRecording(tokenEmptyCallback,
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startingCallback, startedCallback, connection);
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},
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addToPresence: function (name, value, dontSend) {
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switch (name)
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{
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case "displayName":
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connection.emuc.addDisplayNameToPresence(value);
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break;
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case "etherpad":
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connection.emuc.addEtherpadToPresence(value);
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break;
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case "prezi":
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connection.emuc.addPreziToPresence(value, 0);
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break;
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case "preziSlide":
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connection.emuc.addCurrentSlideToPresence(value);
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break;
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case "connectionQuality":
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connection.emuc.addConnectionInfoToPresence(value);
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break;
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case "email":
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connection.emuc.addEmailToPresence(value);
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default :
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console.log("Unknown tag for presence.");
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return;
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}
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if(!dontSend)
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connection.emuc.sendPresence();
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},
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/**
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* Sends 'data' as a log message to the focus. Returns true iff a message
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* was sent.
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* @param data
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* @returns {boolean} true iff a message was sent.
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*/
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sendLogs: function (data) {
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if(!connection.emuc.focusMucJid)
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return false;
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var deflate = true;
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var content = JSON.stringify(data);
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if (deflate) {
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content = String.fromCharCode.apply(null, Pako.deflateRaw(content));
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}
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content = Base64.encode(content);
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// XEP-0337-ish
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var message = $msg({to: connection.emuc.focusMucJid, type: 'normal'});
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message.c('log', { xmlns: 'urn:xmpp:eventlog',
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id: 'PeerConnectionStats'});
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message.c('message').t(content).up();
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if (deflate) {
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message.c('tag', {name: "deflated", value: "true"}).up();
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}
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message.up();
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connection.send(message);
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return true;
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},
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populateData: function () {
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var data = {};
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if (connection.jingle) {
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data = connection.jingle.populateData();
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}
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return data;
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},
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getLogger: function () {
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if(connection.logger)
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return connection.logger.log;
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return null;
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},
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getPrezi: function () {
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return connection.emuc.getPrezi(this.myJid());
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},
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removePreziFromPresence: function () {
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connection.emuc.removePreziFromPresence();
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connection.emuc.sendPresence();
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},
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sendChatMessage: function (message, nickname) {
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connection.emuc.sendMessage(message, nickname);
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},
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setSubject: function (topic) {
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connection.emuc.setSubject(topic);
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},
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lockRoom: function (key, onSuccess, onError, onNotSupported) {
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connection.emuc.lockRoom(key, onSuccess, onError, onNotSupported);
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},
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dial: function (to, from, roomName,roomPass) {
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connection.rayo.dial(to, from, roomName,roomPass);
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},
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setMute: function (jid, mute) {
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connection.moderate.setMute(jid, mute);
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},
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eject: function (jid) {
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connection.moderate.eject(jid);
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},
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logout: function (callback) {
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Moderator.logout(callback);
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},
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findJidFromResource: function (resource) {
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return connection.emuc.findJidFromResource(resource);
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},
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getMembers: function () {
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return connection.emuc.members;
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},
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getJidFromSSRC: function (ssrc) {
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if(!connection)
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return null;
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return connection.emuc.ssrc2jid[ssrc];
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},
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getMUCJoined: function () {
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return connection.emuc.joined;
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},
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getSessions: function () {
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return connection.jingle.sessions;
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}
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};
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module.exports = XMPP;
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