Screen Orientation API: screen.orientation & orientationchange event

Source/modules/screen_orientation/ScreenOrientationController.h

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef ScreenOrientationController_h
+#define ScreenOrientationController_h
+
+#include "core/dom/DocumentSupplementable.h"
+#include "public/platform/WebScreenOrientation.h"
+
+namespace WebCore {
+
+class ScreenOrientationController FINAL : public DocumentSupplement {
+public:
+    virtual ~ScreenOrientationController();
+
+    void didChangeScreenOrientation(blink::WebScreenOrientation);
+
+    blink::WebScreenOrientation orientation() const { return m_orientation; }
+
+    // DocumentSupplement API.
+    static ScreenOrientationController* from(Document*);
+    static const char* supplementName();
+
+private:
+    explicit ScreenOrientationController(Document&);
+
+    void dispatchOrientationChangeEvent();
+
+    Document& m_document;
+    blink::WebScreenOrientation m_orientation;
+};
+
+} // namespace WebCore
+
+#endif // ScreenOrientationController_h