diff -r 000000000000 -r 6474c204b198 widget/gonk/nsScreenManagerGonk.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widget/gonk/nsScreenManagerGonk.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,58 @@
+/* -*- Mode: C++; tab-width: 40; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* Copyright 2012 Mozilla Foundation and Mozilla contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef nsScreenManagerGonk_h___
+#define nsScreenManagerGonk_h___
+
+#include "mozilla/Hal.h"
+#include "nsCOMPtr.h"
+
+#include "nsBaseScreen.h"
+#include "nsIScreenManager.h"
+
+class nsScreenGonk : public nsBaseScreen
+{
+    typedef mozilla::hal::ScreenConfiguration ScreenConfiguration;
+
+public:
+    nsScreenGonk(void* nativeScreen);
+    ~nsScreenGonk();
+
+    NS_IMETHOD GetRect(int32_t* aLeft, int32_t* aTop, int32_t* aWidth, int32_t* aHeight);
+    NS_IMETHOD GetAvailRect(int32_t* aLeft, int32_t* aTop, int32_t* aWidth, int32_t* aHeight);
+    NS_IMETHOD GetPixelDepth(int32_t* aPixelDepth);
+    NS_IMETHOD GetColorDepth(int32_t* aColorDepth);
+    NS_IMETHOD GetRotation(uint32_t* aRotation);
+    NS_IMETHOD SetRotation(uint32_t  aRotation);
+
+    static uint32_t GetRotation();
+    static ScreenConfiguration GetConfiguration();
+};
+
+class nsScreenManagerGonk MOZ_FINAL : public nsIScreenManager
+{
+public:
+    nsScreenManagerGonk();
+    ~nsScreenManagerGonk();
+
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSISCREENMANAGER
+
+protected:
+    nsCOMPtr<nsIScreen> mOneScreen;
+};
+
+#endif /* nsScreenManagerGonk_h___ */