ui/ozone/platform/drm/host/drm_display_host.h

   1 // Copyright 2015 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_DRM_HOST_DRM_DISPLAY_HOST_H_
   6 #define UI_OZONE_PLATFORM_DRM_HOST_DRM_DISPLAY_HOST_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "ui/display/types/display_constants.h"
  10 #include "ui/display/types/native_display_delegate.h"
  11 #include "ui/ozone/platform/drm/host/channel_observer.h"
  12
  13 namespace ui {
  14
  15 struct DisplaySnapshot_Params;
  16 class DisplaySnapshot;
  17 class DrmGpuPlatformSupportHost;
  18
  19 class DrmDisplayHost : public ChannelObserver {
  20  public:
  21   DrmDisplayHost(DrmGpuPlatformSupportHost* sender,
  22                  const DisplaySnapshot_Params& params,
  23                  bool is_dummy);
  24   ~DrmDisplayHost() override;
  25
  26   DisplaySnapshot* snapshot() const { return snapshot_.get(); }
  27
  28   void UpdateDisplaySnapshot(const DisplaySnapshot_Params& params);
  29   void Configure(const DisplayMode* mode,
  30                  const gfx::Point& origin,
  31                  const ConfigureCallback& callback);
  32   void GetHDCPState(const GetHDCPStateCallback& callback);
  33   void SetHDCPState(HDCPState state, const SetHDCPStateCallback& callback);
  34   void SetGammaRamp(const std::vector<GammaRampRGBEntry>& lut);
  35
  36   // Called when the IPC from the GPU process arrives to answer the above
  37   // commands.
  38   void OnDisplayConfigured(bool status);
  39   void OnHDCPStateReceived(bool status, HDCPState state);
  40   void OnHDCPStateUpdated(bool status);
  41
  42   // ChannelObserver:
  43   void OnChannelEstablished() override;
  44   void OnChannelDestroyed() override;
  45
  46  private:
  47   // Calls all the callbacks with failure.
  48   void ClearCallbacks();
  49
  50   DrmGpuPlatformSupportHost* sender_;  // Not owned.
  51
  52   scoped_ptr<DisplaySnapshot> snapshot_;
  53
  54   // Used during startup to signify that any display configuration should be
  55   // synchronous and succeed.
  56   bool is_dummy_;
  57
  58   ConfigureCallback configure_callback_;
  59   GetHDCPStateCallback get_hdcp_callback_;
  60   SetHDCPStateCallback set_hdcp_callback_;
  61
  62   DISALLOW_COPY_AND_ASSIGN(DrmDisplayHost);
  63 };
  64
  65 }  // namespace ui
  66
  67 #endif  // UI_OZONE_PLATFORM_DRM_HOST_DRM_DISPLAY_HOST_H_