src/ui/ozone/platform/dri/dri_window_delegate_proxy.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef UI_OZONE_PLATFORM_DRI_DRI_WINDOW_DELEGATE_PROXY_H_
   6 #define UI_OZONE_PLATFORM_DRI_DRI_WINDOW_DELEGATE_PROXY_H_
   7
   8 #include "ui/gfx/geometry/rect.h"
   9 #include "ui/ozone/platform/dri/channel_observer.h"
  10 #include "ui/ozone/platform/dri/dri_window_delegate.h"
  11
  12 namespace ui {
  13
  14 class GpuPlatformSupportHostGbm;
  15
  16 // This is used when running with a GPU process (or with the in-process GPU) to
  17 // IPC the native window configuration from the browser to the GPU.
  18 class DriWindowDelegateProxy : public DriWindowDelegate,
  19                                public ChannelObserver {
  20  public:
  21   DriWindowDelegateProxy(gfx::AcceleratedWidget widget,
  22                          GpuPlatformSupportHostGbm* sender);
  23   virtual ~DriWindowDelegateProxy();
  24
  25   // DriWindowDelegate:
  26   virtual void Initialize() OVERRIDE;
  27   virtual void Shutdown() OVERRIDE;
  28   virtual gfx::AcceleratedWidget GetAcceleratedWidget() OVERRIDE;
  29   virtual HardwareDisplayController* GetController() OVERRIDE;
  30   virtual void OnBoundsChanged(const gfx::Rect& bounds) OVERRIDE;
  31
  32   // ChannelObserver:
  33   virtual void OnChannelEstablished() OVERRIDE;
  34   virtual void OnChannelDestroyed() OVERRIDE;
  35
  36  private:
  37   gfx::AcceleratedWidget widget_;
  38   GpuPlatformSupportHostGbm* sender_;  // Not owned.
  39
  40   // Cached state for the window. If the GPU process crashes, this state is used
  41   // to update the GPU side when it comes back.
  42   gfx::Rect bounds_;
  43
  44   DISALLOW_COPY_AND_ASSIGN(DriWindowDelegateProxy);
  45 };
  46
  47 }  // namespace ui
  48
  49 #endif  // UI_OZONE_PLATFORM_DRI_DRI_WINDOW_DELEGATE_PROXY_H_