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       1             : /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
       2             :  * This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #ifndef GFX_VR_DISPLAY_CLIENT_H
       7             : #define GFX_VR_DISPLAY_CLIENT_H
       8             : 
       9             : #include "nsIScreen.h"
      10             : #include "nsCOMPtr.h"
      11             : #include "mozilla/RefPtr.h"
      12             : #include "mozilla/dom/VRDisplayBinding.h"
      13             : 
      14             : #include "gfxVR.h"
      15             : 
      16             : namespace mozilla {
      17             : namespace gfx {
      18             : class VRDisplayPresentation;
      19             : class VRManagerChild;
      20             : 
      21             : class VRDisplayClient
      22             : {
      23             : public:
      24           0 :   NS_INLINE_DECL_THREADSAFE_REFCOUNTING(VRDisplayClient)
      25             : 
      26             :   explicit VRDisplayClient(const VRDisplayInfo& aDisplayInfo);
      27             : 
      28             :   void UpdateDisplayInfo(const VRDisplayInfo& aDisplayInfo);
      29             :   void UpdateSubmitFrameResult(const VRSubmitFrameResultInfo& aResult);
      30             : 
      31           0 :   const VRDisplayInfo& GetDisplayInfo() const { return mDisplayInfo; }
      32             :   virtual VRHMDSensorState GetSensorState();
      33             :   void GetSubmitFrameResult(VRSubmitFrameResultInfo& aResult);
      34             : 
      35             :   virtual void ZeroSensor();
      36             : 
      37             :   already_AddRefed<VRDisplayPresentation> BeginPresentation(const nsTArray<dom::VRLayer>& aLayers,
      38             :                                                             uint32_t aGroup);
      39             :   void PresentationDestroyed();
      40             : 
      41             :   bool GetIsConnected() const;
      42             : 
      43             :   void NotifyDisconnected();
      44             :   void SetGroupMask(uint32_t aGroupMask);
      45             : 
      46             : protected:
      47             :   virtual ~VRDisplayClient();
      48             : 
      49             :   void FireEvents();
      50             : 
      51             :   VRDisplayInfo mDisplayInfo;
      52             : 
      53             :   bool bLastEventWasMounted;
      54             :   bool bLastEventWasPresenting;
      55             : 
      56             :   int mPresentationCount;
      57             :   uint32_t mLastEventFrameId;
      58             : private:
      59             :   VRSubmitFrameResultInfo mSubmitFrameResult;
      60             : };
      61             : 
      62             : } // namespace gfx
      63             : } // namespace mozilla
      64             : 
      65             : #endif /* GFX_VR_DISPLAY_CLIENT_H */