gecko-dev/gfx/vr/VRDisplayClient.h

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2.2 KiB
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef GFX_VR_DISPLAY_CLIENT_H
#define GFX_VR_DISPLAY_CLIENT_H
#include "nsIScreen.h"
#include "nsCOMPtr.h"
#include "mozilla/RefPtr.h"
#include "mozilla/dom/VRDisplayBinding.h"
#include "gfxVR.h"
namespace mozilla {
namespace gfx {
class VRDisplayPresentation;
class VRManagerChild;
class VRDisplayClient
{
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(VRDisplayClient)
explicit VRDisplayClient(const VRDisplayInfo& aDisplayInfo);
void UpdateDisplayInfo(const VRDisplayInfo& aDisplayInfo);
void UpdateSubmitFrameResult(const VRSubmitFrameResultInfo& aResult);
const VRDisplayInfo& GetDisplayInfo() const { return mDisplayInfo; }
virtual VRHMDSensorState GetSensorState();
void GetSubmitFrameResult(VRSubmitFrameResultInfo& aResult);
virtual void ZeroSensor();
already_AddRefed<VRDisplayPresentation> BeginPresentation(const nsTArray<dom::VRLayer>& aLayers,
uint32_t aGroup);
void PresentationDestroyed();
bool GetIsConnected() const;
void NotifyDisconnected();
void SetGroupMask(uint32_t aGroupMask);
bool IsPresentationGenerationCurrent() const;
void MakePresentationGenerationCurrent();
void StartVRNavigation();
void StopVRNavigation(const TimeDuration& aTimeout);
protected:
virtual ~VRDisplayClient();
void FireEvents();
void FireGamepadEvents();
VRDisplayInfo mDisplayInfo;
bool bLastEventWasMounted;
bool bLastEventWasPresenting;
int mPresentationCount;
uint64_t mLastEventFrameId;
uint32_t mLastPresentingGeneration;
// Difference between mDisplayInfo.mControllerState and mLastEventControllerState
// determines what gamepad events to fire when updated.
VRControllerState mLastEventControllerState[kVRControllerMaxCount];
private:
VRSubmitFrameResultInfo mSubmitFrameResult;
};
} // namespace gfx
} // namespace mozilla
#endif /* GFX_VR_DISPLAY_CLIENT_H */