Adds a module for sending DTMF tones.

app.js

         this.keyboardshortcut = require("./modules/keyboardshortcut/keyboardshortcut");
         this.translation = require("./modules/translation/translation");
         this.settings = require("./modules/settings/Settings");
+        this.DTMF = require("./modules/DTMF/DTMF");
     }
 };
 

modules/DTMF/DTMF.js

+/* global APP */
+
+/**
+ * A module for sending DTMF tones.
+ */
+var DTMFSender;
+var initDtmfSender = function() {
+    // TODO: This needs to reset this if the peerconnection changes
+    // (e.g. the call is re-made)
+    if (DTMFSender)
+        return;
+
+    var localAudio = APP.RTC.localAudio;
+    if (localAudio && localAudio.getTracks().length > 0)
+    {
+        var peerconnection =
+            APP.xmpp.getConnection().jingle.activecall.peerconnection.peerconnection;
+        if (peerconnection) {
+            DTMFSender =
+                peerconnection.createDTMFSender(localAudio.getTracks()[0]);
+            console.log("Initialized DTMFSender");
+        }
+        else {
+            console.log("Failed to initialize DTMFSender: no PeerConnection.");
+        }
+    }
+    else {
+        console.log("Failed to initialize DTMFSender: no audio track.");
+    }
+};
+
+var DTMF = {
+    sendTones: function (tones) {
+        if (!DTMFSender)
+            initDtmfSender();
+
+        if (DTMFSender){
+            DTMFSender.insertDTMF(tones);
+        }
+    }
+};
+
+module.exports = DTMF;
+

modules/xmpp/xmpp.js

 }
 
 var XMPP = {
+    getConnection: function(){ return connection; },
     sessionTerminated: false,
 
     /**