Implement common Ozone interface for Chromecast.

chromecast/ozone/ozone_platform_cast.h

+// Copyright 2015 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 CHROMECAST_OZONE_OZONE_PLATFORM_CAST_H_
+#define CHROMECAST_OZONE_OZONE_PLATFORM_CAST_H_
+
+#include "chromecast/ozone/gpu_platform_support_cast.h"
+#include "chromecast/ozone/surface_factory_cast.h"
+#include "ui/ozone/public/ozone_platform.h"
+
+namespace chromecast {
+namespace ozone {
+
+class CastEglPlatform;
+
+// Ozone platform implementation for Cast.  Implements functionality
+// common to all Cast implementations:
+//  - Always one window with window size equal to display size
+//  - No input, cursor support
+//  - Relinquish GPU resources flow for switching to external applications
+// Meanwhile, platform-specific implementation details are abstracted out
+// to the CastEglPlatform interface.
+class OzonePlatformCast : public ui::OzonePlatform {
+ public:
+  explicit OzonePlatformCast(scoped_ptr<CastEglPlatform> egl_platform);
+  ~OzonePlatformCast() override;
+
+  // OzonePlatform implementation:
+  ui::SurfaceFactoryOzone* GetSurfaceFactoryOzone() override;
+  ui::CursorFactoryOzone* GetCursorFactoryOzone() override;
+  ui::InputController* GetInputController() override;
+  ui::GpuPlatformSupport* GetGpuPlatformSupport() override;
+  ui::GpuPlatformSupportHost* GetGpuPlatformSupportHost() override;
+  scoped_ptr<ui::SystemInputInjector> CreateSystemInputInjector() override;
+  scoped_ptr<ui::PlatformWindow> CreatePlatformWindow(
+      ui::PlatformWindowDelegate* delegate,
+      const gfx::Rect& bounds) override;
+  scoped_ptr<ui::NativeDisplayDelegate> CreateNativeDisplayDelegate() override;
+
+  void InitializeUI() override;
+  void InitializeGPU() override;
+
+ private:
+  scoped_ptr<CastEglPlatform> egl_platform_;
+  scoped_ptr<SurfaceFactoryCast> surface_factory_ozone_;
+  scoped_ptr<ui::CursorFactoryOzone> cursor_factory_ozone_;
+  scoped_ptr<ui::InputController> input_controller_;
+  scoped_ptr<GpuPlatformSupportCast> gpu_platform_support_;
+  scoped_ptr<ui::GpuPlatformSupportHost> gpu_platform_support_host_;
+
+  DISALLOW_COPY_AND_ASSIGN(OzonePlatformCast);
+};
+
+}  // namespace ozone
+}  // namespace chromecast
+
+#endif  // CHROMECAST_OZONE_OZONE_PLATFORM_CAST_H_