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+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * 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);
+
+ const VRDisplayInfo& GetDisplayInfo() const { return mDisplayInfo; }
+ virtual VRHMDSensorState GetSensorState();
+ virtual VRHMDSensorState GetImmediateSensorState();
+
+ virtual void ZeroSensor();
+
+ already_AddRefed<VRDisplayPresentation> BeginPresentation(const nsTArray<dom::VRLayer>& aLayers);
+ void PresentationDestroyed();
+
+ void NotifyVsync();
+ void NotifyVRVsync();
+
+ bool GetIsConnected() const;
+ bool GetIsPresenting() const;
+
+ void NotifyDisconnected();
+
+protected:
+ virtual ~VRDisplayClient();
+
+ VRDisplayInfo mDisplayInfo;
+
+ bool bLastEventWasPresenting;
+
+ TimeStamp mLastVSyncTime;
+ int mPresentationCount;
+};
+
+} // namespace gfx
+} // namespace mozilla
+
+#endif /* GFX_VR_DISPLAY_CLIENT_H */