Adding WebVR interface to Blink

Source/modules/vr/HMDVRDevice.h

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef HMDVRDevice_h
+#define HMDVRDevice_h
+
+#include "core/dom/DOMPoint.h"
+#include "core/dom/DOMRect.h"
+#include "modules/vr/VRDevice.h"
+#include "platform/heap/Handle.h"
+#include "public/platform/WebVR.h"
+#include "wtf/RefCounted.h"
+#include "wtf/text/WTFString.h"
+
+namespace blink {
+
+class VRPoint3D;
+class VRFieldOfView;
+class VRRect;
+
+class HMDVRDevice final : public VRDevice {
+    DEFINE_WRAPPERTYPEINFO();
+public:
+    enum VREye {
+        VREyeLeft,
+        VREyeRight
+    };
+
+    HMDVRDevice(VRHardwareUnit*);
+
+    typedef Vector<double> DoubleVector;
+
+    virtual void updateFromWebVRDevice(const WebVRDevice&) override;
+
+    DOMPoint* getEyeTranslation(const String& whichEye);
+    VRFieldOfView* getCurrentEyeFieldOfView(const String& whichEye);
+    VRFieldOfView* getRecommendedEyeFieldOfView(const String& whichEye);
+    VRFieldOfView* getMaximumEyeFieldOfView(const String& whichEye);
+    void setFieldOfView(VRFieldOfView* leftFov = 0, VRFieldOfView* rightFov = 0);
+    DOMRect* getRecommendedEyeRenderRect(const String& whichEye);
+
+    virtual void trace(Visitor*) override;
+
+private:
+    static VREye StringToVREye(const String& whichEye);
+
+    Member<VRFieldOfView> m_recommendedFOVLeft;
+    Member<VRFieldOfView> m_recommendedFOVRight;
+    Member<VRFieldOfView> m_maximumFOVLeft;
+    Member<VRFieldOfView> m_maximumFOVRight;
+    Member<DOMPoint> m_eyeTranslationLeft;
+    Member<DOMPoint> m_eyeTranslationRight;
+};
+
+} // namespace blink
+
+#endif // HMDVRDevice_h