diff -r 000000000000 -r 6474c204b198 toolkit/xre/nsNativeAppSupportQt.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/xre/nsNativeAppSupportQt.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,37 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 et sw=2 tw=80: */
+/* 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 <stdlib.h>
+#include <QObject>
+#ifdef MOZ_ENABLE_QMSYSTEM2
+#include "qmdevicemode.h"
+#include "qmdisplaystate.h"
+#include "qmactivity.h"
+#endif
+#include "nsNativeAppSupportBase.h"
+#include "nsString.h"
+
+class nsNativeAppSupportQt : public QObject, public nsNativeAppSupportBase
+{
+  Q_OBJECT
+public:
+  NS_IMETHOD Start(bool* aRetVal);
+  NS_IMETHOD Stop(bool* aResult);
+
+#ifdef MOZ_ENABLE_QMSYSTEM2
+public Q_SLOTS:
+  void activityChanged(MeeGo::QmActivity::Activity activity);
+  void deviceModeChanged(MeeGo::QmDeviceMode::DeviceMode mode);
+  void displayStateChanged(MeeGo::QmDisplayState::DisplayState state);
+  void RefreshStates();
+
+private:
+  MeeGo::QmDeviceMode mDeviceMode;
+  MeeGo::QmDisplayState mDisplayState;
+  MeeGo::QmActivity mActivity;
+#endif
+};
+