diff -r 000000000000 -r 6474c204b198 dom/alarm/nsIAlarmHalService.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/alarm/nsIAlarmHalService.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,33 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * 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/. */
+
+#include "nsISupports.idl"
+
+[scriptable, function, uuid(9f3ed2c0-aed9-11e1-8c3d-5310bd393466)]
+interface nsIAlarmFiredCb : nsISupports 
+{
+  void onAlarmFired();
+};
+
+[scriptable, function, uuid(0ca52e84-ba8f-11e1-87e8-63235527db9e)]
+interface nsITimezoneChangedCb : nsISupports 
+{
+  void onTimezoneChanged(in int32_t aTimezoneOffset);
+};
+
+%{C++
+#define NS_ALARMHALSERVICE_CID { 0x7dafea4c, 0x7163, 0x4b70, { 0x95, 0x4e, 0x5a, 0xd4, 0x09, 0x94, 0x83, 0xd7 } }
+#define ALARMHALSERVICE_CONTRACTID "@mozilla.org/alarmHalService;1"
+%}
+
+[scriptable, uuid(057b1ee4-f696-486d-bd55-205e21e88fab)]
+interface nsIAlarmHalService : nsISupports
+{
+  bool setAlarm(in int32_t aSeconds, in int32_t aNanoseconds);
+  void setAlarmFiredCb(in nsIAlarmFiredCb aAlarmFiredCb);
+  void setTimezoneChangedCb(in nsITimezoneChangedCb aTimezoneChangedCb);
+};
+
+
+