Implement OzonePlatform

ui/ozone/ozone_platform.h

+// Copyright (c) 2013 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 UI_EVENTS_OZONE_OZONE_PLATFORM_H_
+#define UI_EVENTS_OZONE_OZONE_PLATFORM_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "ui/events/ozone/event_factory_ozone.h"
+#include "ui/gfx/ozone/surface_factory_ozone.h"
+#include "ui/ozone/ozone_export.h"
+
+namespace ui {
+
+class OZONE_EXPORT OzonePlatform {

[rjkroege, 2013/10/25 18:24:02]

this class is part of the external ozone api. it needs more comment

+ public:
+  OzonePlatform();
+  virtual ~OzonePlatform();
+
+  static OzonePlatform* Create();
+
+  virtual gfx::SurfaceFactoryOzone* GetSurfaceFactoryOzone() = 0;
+  virtual ui::EventFactoryOzone* GetEventFactoryOzone() = 0;
+
+ private:
+  static OzonePlatform* instance_;
+
+  DISALLOW_COPY_AND_ASSIGN(OzonePlatform);
+};
+
+// Hook to be provided by the built-in default implementation.
+OzonePlatform* CreateDefaultOzonePlatform();
+
+}  // namespace ui
+
+#endif  // UI_OZONE_OZONE_PLATFORM_H_