[Ozone-GBM] Add basic support for display configuration over IPC

ui/ozone/platform/dri/chromeos/native_display_delegate_proxy.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 UI_OZONE_PLATFORM_DRI_CHROMEOS_NATIVE_DISPLAY_DELEGATE_DRI_H_
-#define UI_OZONE_PLATFORM_DRI_CHROMEOS_NATIVE_DISPLAY_DELEGATE_DRI_H_
+#ifndef UI_OZONE_PLATFORM_DRI_CHROMEOS_NATIVE_DISPLAY_DELEGATE_PROXY_H_
+#define UI_OZONE_PLATFORM_DRI_CHROMEOS_NATIVE_DISPLAY_DELEGATE_PROXY_H_
 
-#include "base/memory/scoped_ptr.h"
+#include "base/macros.h"
 #include "base/memory/scoped_vector.h"
 #include "base/observer_list.h"
 #include "ui/display/types/chromeos/native_display_delegate.h"
 #include "ui/events/ozone/device/device_event_observer.h"
+#include "ui/ozone/public/gpu_platform_support_host.h"
 
 namespace ui {
 
 class DeviceManager;
-class DisplaySnapshotDri;
-class DriConsoleBuffer;
-class DriWrapper;
-class ScreenManager;
+class GpuPlatformSupportHostGbm;
 
-class NativeDisplayDelegateDri
-    : public NativeDisplayDelegate, DeviceEventObserver {
+struct DisplaySnapshot_Params;
+
+class NativeDisplayDelegateProxy : public NativeDisplayDelegate,
+                                   public DeviceEventObserver,
+                                   public GpuPlatformSupportHost {
  public:
-  NativeDisplayDelegateDri(DriWrapper* dri,
-                           ScreenManager* screen_manager,
-                           DeviceManager* device_manager);
-  virtual ~NativeDisplayDelegateDri();
+  NativeDisplayDelegateProxy(GpuPlatformSupportHostGbm* proxy,
+                             DeviceManager* device_manager);
+  virtual ~NativeDisplayDelegateProxy();
 
   // NativeDisplayDelegate overrides:
   virtual void Initialize() OVERRIDE;
   virtual void GrabServer() OVERRIDE;
   virtual void UngrabServer() OVERRIDE;
   virtual void SyncWithServer() OVERRIDE;
   virtual void SetBackgroundColor(uint32_t color_argb) OVERRIDE;
   virtual void ForceDPMSOn() OVERRIDE;
   virtual std::vector<DisplaySnapshot*> GetDisplays() OVERRIDE;
   virtual void AddMode(const DisplaySnapshot& output,
                        const DisplayMode* mode) OVERRIDE;
   virtual bool Configure(const DisplaySnapshot& output,
                          const DisplayMode* mode,
                          const gfx::Point& origin) OVERRIDE;
   virtual void CreateFrameBuffer(const gfx::Size& size) OVERRIDE;
   virtual bool GetHDCPState(const DisplaySnapshot& output,
                             HDCPState* state) OVERRIDE;
   virtual bool SetHDCPState(const DisplaySnapshot& output,
                             HDCPState state) OVERRIDE;
-  virtual std::vector<ui::ColorCalibrationProfile>
+  virtual std::vector<ColorCalibrationProfile>
       GetAvailableColorCalibrationProfiles(
-          const ui::DisplaySnapshot& output) OVERRIDE;
+          const DisplaySnapshot& output) OVERRIDE;
   virtual bool SetColorCalibrationProfile(
-      const ui::DisplaySnapshot& output,
-      ui::ColorCalibrationProfile new_profile) OVERRIDE;
+      const DisplaySnapshot& output,
+      ColorCalibrationProfile new_profile) OVERRIDE;
   virtual void AddObserver(NativeDisplayObserver* observer) OVERRIDE;
   virtual void RemoveObserver(NativeDisplayObserver* observer) OVERRIDE;
 
   // DeviceEventObserver overrides:
   virtual void OnDeviceEvent(const DeviceEvent& event) OVERRIDE;
 
+  // GpuPlatformSupportHost:
+  virtual void OnChannelEstablished(int host_id, IPC::Sender* sender) OVERRIDE;
+  virtual void OnChannelDestroyed(int host_id) OVERRIDE;
+
+  // IPC::Listener overrides:
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
+
  private:
-  // Notify ScreenManager of all the displays that were present before the
-  // update but are gone after the update.
-  void NotifyScreenManager(
-      const std::vector<DisplaySnapshotDri*>& new_displays,
-      const std::vector<DisplaySnapshotDri*>& old_displays) const;
+  void OnUpdateNativeDisplays(
+      const std::vector<DisplaySnapshot_Params>& displays);
 
-  DriWrapper* dri_;  // Not owned.
-  ScreenManager* screen_manager_;  // Not owned.
+  GpuPlatformSupportHostGbm* proxy_;  // Not owned.
   DeviceManager* device_manager_;  // Not owned.
-  scoped_ptr<DriConsoleBuffer> console_buffer_;
-  ScopedVector<const DisplayMode> cached_modes_;
-  ScopedVector<DisplaySnapshotDri> cached_displays_;
+  ScopedVector<DisplaySnapshot> displays_;
   ObserverList<NativeDisplayObserver> observers_;
 
-  DISALLOW_COPY_AND_ASSIGN(NativeDisplayDelegateDri);
+  DISALLOW_COPY_AND_ASSIGN(NativeDisplayDelegateProxy);
 };
 
 }  // namespace ui
 
-#endif  // UI_OZONE_PLATFORM_DRI_CHROMEOS_NATIVE_DISPLAY_DELEGATE_DRI_H_
+#endif  // UI_OZONE_PLATFORM_DRI_CHROMEOS_NATIVE_DISPLAY_DELEGATE_PROXY_H_