Bug 914182 - Hide Telephony API behind a pref except on B2G. r=vyang,khuey

b2g/app/b2g.js

@@ -778,3 +778,6 @@ pref("devtools.debugger.unix-domain-socket", "/data/local/debugger-socket");
 // falling back to Skia/software for smaller canvases
 pref("gfx.canvas.azure.backends", "skia");
 pref("gfx.canvas.azure.accelerated", true);
+
+// Enable Telephony API
+pref("dom.telephony.enabled", true);

dom/tests/mochitest/general/test_interfaces.html

@@ -102,7 +102,7 @@ var interfaceNamesInGlobalScope =
     {name: "BluetoothStatusChangedEvent", b2g: true},
     {name: "BoxObject", xbl: true},
     {name: "BrowserFeedWriter", desktop: true},
-    "CallEvent",
+    {name: "CallEvent", b2g: true},
     "CameraCapabilities",
     "CameraControl",
     "CameraManager",
@@ -529,9 +529,9 @@ var interfaceNamesInGlobalScope =
     "SVGViewElement",
     "SVGZoomAndPan",
     "SVGZoomEvent",
-    "Telephony",
-    "TelephonyCall",
-    "TelephonyCallGroup",
+    {name: "Telephony", b2g: true},
+    {name: "TelephonyCall", b2g: true},
+    {name: "TelephonyCallGroup", b2g: true},
     "Text",
     "TextDecoder",
     "TextEncoder",

dom/webidl/CallEvent.webidl

@@ -4,7 +4,7 @@
  * You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-[Constructor(DOMString type, optional CallEventInit eventInitDict)]
+[Constructor(DOMString type, optional CallEventInit eventInitDict), Pref="dom.telephony.enabled"]
 interface CallEvent : Event
 {
   readonly attribute TelephonyCall? call;

dom/webidl/Telephony.webidl

@@ -4,6 +4,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+[Pref="dom.telephony.enabled"]
 interface Telephony : EventTarget {
   [Throws]
   TelephonyCall dial(DOMString number);

dom/webidl/TelephonyCall.webidl

@@ -4,6 +4,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+[Pref="dom.telephony.enabled"]
 interface TelephonyCall : EventTarget {
   readonly attribute DOMString number;
 

dom/webidl/TelephonyCallGroup.webidl

@@ -4,6 +4,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+[Pref="dom.telephony.enabled"]
 interface TelephonyCallGroup : EventTarget {
   readonly attribute CallsList calls;
 

modules/libpref/src/init/all.js

@@ -4400,5 +4400,8 @@ pref("dom.forms.inputmode", false);
 pref("dom.forms.inputmode", true);
 #endif
 
+// Telephony API
+pref("dom.telephony.enabled", false);
+
 // DOM Inter-App Communication API.
 pref("dom.inter-app-communication-api.enabled", false);