Adding WebVR interface to Blink

Source/modules/vr/VREyeParameters.cpp

+// Copyright 2015 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.
+
+#include "config.h"
+#include "modules/vr/VREyeParameters.h"
+
+namespace blink {
+
+namespace {
+
+void setDomPoint(DOMPoint* point, const blink::WebVRVector3& vec)
+{
+    point->setX(vec.x);
+    point->setY(vec.y);
+    point->setZ(vec.z);
+    point->setW(0.0);
+}
+
+} // namespace
+
+VREyeParameters::VREyeParameters()
+{
+    m_minimumFieldOfView = new VRFieldOfView();
+    m_maximumFieldOfView = new VRFieldOfView();
+    m_recommendedFieldOfView = new VRFieldOfView();
+    m_eyeTranslation = DOMPoint::create(0, 0, 0, 0);
+
+    m_currentFieldOfView = new VRFieldOfView();
+    m_renderRect = DOMRect::create(0, 0, 0, 0);
+}
+
+void VREyeParameters::setFromWebVREyeParameters(const blink::WebVREyeParameters &state)
+{
+    m_minimumFieldOfView->setFromWebVRFieldOfView(state.minimumFieldOfView);
+    m_maximumFieldOfView->setFromWebVRFieldOfView(state.maximumFieldOfView);
+    m_recommendedFieldOfView->setFromWebVRFieldOfView(state.recommendedFieldOfView);
+    setDomPoint(m_eyeTranslation, state.eyeTranslation);
+
+    m_currentFieldOfView->setFromWebVRFieldOfView(state.recommendedFieldOfView);
+}
+
+void VREyeParameters::setCurrentFieldOfView(const blink::VRFieldOfView* fov)
+{
+    m_currentFieldOfView = new VRFieldOfView(*fov);
+}
+
+void VREyeParameters::setRenderRect(double x, double y, double width, double height)
+{
+    m_renderRect->setX(x);
+    m_renderRect->setY(y);
+    m_renderRect->setWidth(width);
+    m_renderRect->setHeight(height);
+}
+
+void VREyeParameters::trace(Visitor* visitor)
+{
+    visitor->trace(m_minimumFieldOfView);
+    visitor->trace(m_maximumFieldOfView);
+    visitor->trace(m_recommendedFieldOfView);
+    visitor->trace(m_eyeTranslation);
+    visitor->trace(m_currentFieldOfView);
+    visitor->trace(m_renderRect);
+}
+
+} // namespace blink