Extracts base class for ColibriFocus and JingleSession.

app.js

 var focus = null;
 var activecall = null;
 var RTC = null;
-var RTCPeerConnection = null;
 var nickname = null;
 var sharedKey = '';
 var roomUrl = null;
         window.location.href = 'chromeonly.html';
         return;
     }
-    RTCPeerconnection = TraceablePeerConnection;
 
     connection = new Strophe.Connection(document.getElementById('boshURL').value || config.bosh || '/http-bind');
 

index.html

     <script src="libs/strophe/strophe.jingle.bundle.js?v=8"></script>
     <script src="libs/strophe/strophe.jingle.js?v=1"></script>
     <script src="libs/strophe/strophe.jingle.sdp.js?v=1"></script>
+    <script src="libs/strophe/strophe.jingle.sessionbase.js?v=1"></script>
     <script src="libs/strophe/strophe.jingle.session.js?v=1"></script>
     <script src="libs/colibri/colibri.focus.js?v=8"></script><!-- colibri focus implementation -->
     <script src="libs/colibri/colibri.session.js?v=1"></script>

libs/colibri/colibri.focus.js

  THE SOFTWARE.
  */
 /* jshint -W117 */
+
+ColibriFocus.prototype = Object.create(SessionBase.prototype);
 function ColibriFocus(connection, bridgejid) {
-    this.connection = connection;
+
+    SessionBase.call(this, connection);
+
     this.bridgejid = bridgejid;
     this.peers = [];
     this.confid = null;
 
-    this.peerconnection
-        = new TraceablePeerConnection(
-            this.connection.jingle.ice_config,
-            this.connection.jingle.pc_constraints);
-
     // media types of the conference
     this.media = ['audio', 'video'];
 
 ColibriFocus.prototype.setRemoteDescription = function (session, elem, desctype) {
     var participant = this.peers.indexOf(session.peerjid);
     console.log('Colibri.setRemoteDescription from', session.peerjid, participant);
-    var self = this;
     var remoteSDP = new SDP('');
-    var tmp;
     var channel;
     remoteSDP.fromJingle(elem);
 
     delete this.remotessrc[session.peerjid];
     this.modifySources();
 };
-
-ColibriFocus.prototype.modifySources = function () {
-    var self = this;
-    this.peerconnection.modifySources(function(){
-        $(document).trigger('setLocalDescription.jingle', [self.sid]);
-    });
-};
-
-ColibriFocus.prototype.hardMuteVideo = function (muted) {
-
-    this.peerconnection.hardMuteVideo(muted);
-
-    this.connection.jingle.localVideo.getVideoTracks().forEach(function (track) {
-        track.enabled = !muted;
-    });
-};

libs/strophe/strophe.jingle.session.js

 /* jshint -W117 */
 // Jingle stuff
+JingleSession.prototype = Object.create(SessionBase.prototype);
 function JingleSession(me, sid, connection) {
+
+    SessionBase.call(this, connection);
+
     this.me = me;
     this.sid = sid;
-    this.connection = connection;
     this.initiator = null;
     this.responder = null;
     this.isInitiator = null;
     this.peerjid = null;
     this.state = null;
-    /**
-     * Peer connection instance.
-     * @type {TraceablePeerConnection}
-     */
-    this.peerconnection = null;
-    //console.log('create PeerConnection ' + JSON.stringify(this.ice_config));
-    try {
-        this.peerconnection = new RTCPeerconnection(this.ice_config, this.pc_constraints);
-    } catch (e) {
-        console.error('Failed to create PeerConnection, exception: ', e.message);
-        console.error(e);
-    }
-
     this.localSDP = null;
     this.remoteSDP = null;
     this.localStreams = [];
     }
 };
 
-
-JingleSession.prototype.addSource = function (elem) {
-
-    this.peerconnection.addSource(elem);
-
-    this.modifySources();
-};
-
-JingleSession.prototype.removeSource = function (elem) {
-
-    this.peerconnection.removeSource(elem);
-
-    this.modifySources();
-};
-
-JingleSession.prototype.modifySources = function() {
-    var self = this;
-    this.peerconnection.modifySources(function(){
-        $(document).trigger('setLocalDescription.jingle', [self.sid]);
-    });
-};
-
-// SDP-based mute by going recvonly/sendrecv
-// FIXME: should probably black out the screen as well
-JingleSession.prototype.hardMuteVideo = function (muted) {
-
-    this.peerconnection.hardMuteVideo(muted);
-
-    this.connection.jingle.localVideo.getVideoTracks().forEach(function (track) {
-        track.enabled = !muted;
-    });
-};
-
 JingleSession.prototype.sendMute = function (muted, content) {
     var info = $iq({to: this.peerjid,
         type: 'set'})

libs/strophe/strophe.jingle.sessionbase.js

+/**
+ * Base class for ColibriFocus and JingleSession.
+ * @param connection Strophe connection object
+ * @constructor
+ */
+function SessionBase(connection){
+
+    this.connection = connection;
+    this.peerconnection
+        = new TraceablePeerConnection(
+            connection.jingle.ice_config,
+            connection.jingle.pc_constraints);
+}
+
+
+SessionBase.prototype.modifySources = function() {
+    var self = this;
+    this.peerconnection.modifySources(function(){
+        $(document).trigger('setLocalDescription.jingle', [self.sid]);
+    });
+};
+
+SessionBase.prototype.addSource = function (elem) {
+
+    this.peerconnection.addSource(elem);
+
+    this.modifySources();
+};
+
+SessionBase.prototype.removeSource = function (elem) {
+
+    this.peerconnection.removeSource(elem);
+
+    this.modifySources();
+};
+
+// SDP-based mute by going recvonly/sendrecv
+// FIXME: should probably black out the screen as well
+SessionBase.prototype.hardMuteVideo = function (muted) {
+
+    this.peerconnection.hardMuteVideo(muted);
+
+    this.connection.jingle.localVideo.getVideoTracks().forEach(function (track) {
+        track.enabled = !muted;
+    });
+};