1 files changed, 88 insertions, 0 deletions
diff --git a/dom/gamepad/GamepadPoseState.h b/dom/gamepad/GamepadPoseState.h
new file mode 100644
index 000000000..958b26139
--- /dev/null
+++ b/dom/gamepad/GamepadPoseState.h
@@ -0,0 +1,88 @@
+
+#ifndef mozilla_dom_gamepad_GamepadPoseState_h_
+#define mozilla_dom_gamepad_GamepadPoseState_h_
+
+namespace mozilla{
+namespace dom{
+
+enum class GamepadCapabilityFlags : uint16_t {
+  Cap_None = 0,
+  /**
+   * Cap_Position is set if the Gamepad is capable of tracking its position.
+   */
+  Cap_Position = 1 << 1,
+  /**
+    * Cap_Orientation is set if the Gamepad is capable of tracking its orientation.
+    */
+  Cap_Orientation = 1 << 2,
+  /**
+   * Cap_AngularAcceleration is set if the Gamepad is capable of tracking its
+   * angular acceleration.
+   */
+  Cap_AngularAcceleration = 1 << 3,
+  /**
+   * Cap_LinearAcceleration is set if the Gamepad is capable of tracking its
+   * linear acceleration.
+   */
+  Cap_LinearAcceleration = 1 << 4,
+  /**
+   * Cap_All used for validity checking during IPC serialization
+   */
+  Cap_All = (1 << 5) - 1
+};
+
+MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(GamepadCapabilityFlags)
+
+struct GamepadPoseState
+{
+  GamepadCapabilityFlags flags;
+  float orientation[4];
+  float position[3];
+  float angularVelocity[3];
+  float angularAcceleration[3];
+  float linearVelocity[3];
+  float linearAcceleration[3];
+
+  GamepadPoseState()
+  {
+    Clear();
+  }
+
+  bool operator==(const GamepadPoseState& aPose) const
+  {
+    return flags == aPose.flags
+           && orientation[0] == aPose.orientation[0]
+           && orientation[1] == aPose.orientation[1]
+           && orientation[2] == aPose.orientation[2]
+           && orientation[3] == aPose.orientation[3]
+           && position[0] == aPose.position[0]
+           && position[1] == aPose.position[1]
+           && position[2] == aPose.position[2]
+           && angularVelocity[0] == aPose.angularVelocity[0]
+           && angularVelocity[1] == aPose.angularVelocity[1]
+           && angularVelocity[2] == aPose.angularVelocity[2]
+           && angularAcceleration[0] == aPose.angularAcceleration[0]
+           && angularAcceleration[1] == aPose.angularAcceleration[1]
+           && angularAcceleration[2] == aPose.angularAcceleration[2]
+           && linearVelocity[0] == aPose.linearVelocity[0]
+           && linearVelocity[1] == aPose.linearVelocity[1]
+           && linearVelocity[2] == aPose.linearVelocity[2]
+           && linearAcceleration[0] == aPose.linearAcceleration[0]
+           && linearAcceleration[1] == aPose.linearAcceleration[1]
+           && linearAcceleration[2] == aPose.linearAcceleration[2];
+  }
+
+  bool operator!=(const GamepadPoseState& aPose) const
+  {
+    return !(*this == aPose);
+  }
+
+  void Clear() {
+    memset(this, 0, sizeof(GamepadPoseState));
+  }
+};
+
+}// namespace dom
+}// namespace mozilla
+
+#endif // mozilla_dom_gamepad_GamepadPoseState_h_
+\ No newline at end of file