Added Pose attribute to Gamepad

third_party/WebKit/Source/modules/gamepad/GamepadPose.cpp

Index: third_party/WebKit/Source/modules/gamepad/GamepadPose.cpp
diff --git a/third_party/WebKit/Source/modules/gamepad/GamepadPose.cpp b/third_party/WebKit/Source/modules/gamepad/GamepadPose.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..5b75a8e3e0b1f12aa2591610b5cfc53227238eb0
--- /dev/null
+++ b/third_party/WebKit/Source/modules/gamepad/GamepadPose.cpp
@@ -0,0 +1,67 @@
+// Copyright 2016 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 "modules/gamepad/GamepadPose.h"
+
+namespace blink {
+
+namespace {
+
+DOMFloat32Array* vecToFloat32Array(const WebGamepadVector& vec)
+{
+    if (vec.notNull) {
+        DOMFloat32Array* out = DOMFloat32Array::create(3);
+        out->data()[0] = vec.x;
+        out->data()[1] = vec.y;
+        out->data()[2] = vec.z;
+        return out;
+    }
+    return nullptr;
+}
+
+DOMFloat32Array* quatToFloat32Array(const WebGamepadQuaternion& quat)
+{
+    if (quat.notNull) {
+        DOMFloat32Array* out = DOMFloat32Array::create(4);
+        out->data()[0] = quat.x;
+        out->data()[1] = quat.y;
+        out->data()[2] = quat.z;
+        out->data()[3] = quat.w;
+        return out;
+    }
+    return nullptr;
+}
+
+} // namespace
+
+GamepadPose::GamepadPose()
+{
+}
+
+void GamepadPose::setPose(const WebGamepadPose &state)
+{
+    if (state.notNull) {
+        m_hasOrientation = state.hasOrientation;
+        m_hasPosition = state.hasPosition;
+
+        m_orientation = quatToFloat32Array(state.orientation);
+        m_position = vecToFloat32Array(state.position);
+        m_angularVelocity = vecToFloat32Array(state.angularVelocity);
+        m_linearVelocity = vecToFloat32Array(state.linearVelocity);
+        m_angularAcceleration = vecToFloat32Array(state.angularAcceleration);
+        m_linearAcceleration = vecToFloat32Array(state.linearAcceleration);
+    }
+}
+
+DEFINE_TRACE(GamepadPose)
+{
+    visitor->trace(m_orientation);
+    visitor->trace(m_position);
+    visitor->trace(m_angularVelocity);
+    visitor->trace(m_linearVelocity);
+    visitor->trace(m_angularAcceleration);
+    visitor->trace(m_linearAcceleration);
+}
+
+} // namespace blink