1 files changed, 154 insertions, 0 deletions
diff --git a/dom/gamepad/ipc/GamepadMessageUtils.h b/dom/gamepad/ipc/GamepadMessageUtils.h
new file mode 100644
index 0000000000..c29293d3a5
--- /dev/null
+++ b/dom/gamepad/ipc/GamepadMessageUtils.h
@@ -0,0 +1,154 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 mozilla_dom_gamepad_GamepadMessageUtils_h
+#define mozilla_dom_gamepad_GamepadMessageUtils_h
+
+#include "ipc/EnumSerializer.h"
+#include "mozilla/dom/GamepadBinding.h"
+#include "mozilla/dom/GamepadHandle.h"
+#include "mozilla/dom/GamepadLightIndicatorBinding.h"
+#include "mozilla/dom/GamepadPoseState.h"
+#include "mozilla/dom/GamepadTouchState.h"
+
+namespace IPC {
+
+template <>
+struct ParamTraits<mozilla::dom::GamepadLightIndicatorType>
+    : public ContiguousEnumSerializer<
+          mozilla::dom::GamepadLightIndicatorType,
+          mozilla::dom::GamepadLightIndicatorType(0),
+          mozilla::dom::GamepadLightIndicatorType(
+              mozilla::dom::GamepadLightIndicatorType::EndGuard_)> {};
+
+template <>
+struct ParamTraits<mozilla::dom::GamepadMappingType>
+    : public ContiguousEnumSerializer<
+          mozilla::dom::GamepadMappingType, mozilla::dom::GamepadMappingType(0),
+          mozilla::dom::GamepadMappingType(
+              mozilla::dom::GamepadMappingType::EndGuard_)> {};
+
+template <>
+struct ParamTraits<mozilla::dom::GamepadHand>
+    : public ContiguousEnumSerializer<
+          mozilla::dom::GamepadHand, mozilla::dom::GamepadHand(0),
+          mozilla::dom::GamepadHand(mozilla::dom::GamepadHand::EndGuard_)> {};
+
+template <>
+struct ParamTraits<mozilla::dom::GamepadCapabilityFlags>
+    : public BitFlagsEnumSerializer<
+          mozilla::dom::GamepadCapabilityFlags,
+          mozilla::dom::GamepadCapabilityFlags::Cap_All> {};
+
+template <>
+struct ParamTraits<mozilla::dom::GamepadPoseState> {
+  typedef mozilla::dom::GamepadPoseState paramType;
+
+  static void Write(MessageWriter* aWriter, const paramType& aParam) {
+    WriteParam(aWriter, aParam.flags);
+    WriteParam(aWriter, aParam.orientation[0]);
+    WriteParam(aWriter, aParam.orientation[1]);
+    WriteParam(aWriter, aParam.orientation[2]);
+    WriteParam(aWriter, aParam.orientation[3]);
+    WriteParam(aWriter, aParam.position[0]);
+    WriteParam(aWriter, aParam.position[1]);
+    WriteParam(aWriter, aParam.position[2]);
+    WriteParam(aWriter, aParam.angularVelocity[0]);
+    WriteParam(aWriter, aParam.angularVelocity[1]);
+    WriteParam(aWriter, aParam.angularVelocity[2]);
+    WriteParam(aWriter, aParam.angularAcceleration[0]);
+    WriteParam(aWriter, aParam.angularAcceleration[1]);
+    WriteParam(aWriter, aParam.angularAcceleration[2]);
+    WriteParam(aWriter, aParam.linearVelocity[0]);
+    WriteParam(aWriter, aParam.linearVelocity[1]);
+    WriteParam(aWriter, aParam.linearVelocity[2]);
+    WriteParam(aWriter, aParam.linearAcceleration[0]);
+    WriteParam(aWriter, aParam.linearAcceleration[1]);
+    WriteParam(aWriter, aParam.linearAcceleration[2]);
+    WriteParam(aWriter, aParam.isPositionValid);
+    WriteParam(aWriter, aParam.isOrientationValid);
+  }
+
+  static bool Read(MessageReader* aReader, paramType* aResult) {
+    if (!ReadParam(aReader, &(aResult->flags)) ||
+        !ReadParam(aReader, &(aResult->orientation[0])) ||
+        !ReadParam(aReader, &(aResult->orientation[1])) ||
+        !ReadParam(aReader, &(aResult->orientation[2])) ||
+        !ReadParam(aReader, &(aResult->orientation[3])) ||
+        !ReadParam(aReader, &(aResult->position[0])) ||
+        !ReadParam(aReader, &(aResult->position[1])) ||
+        !ReadParam(aReader, &(aResult->position[2])) ||
+        !ReadParam(aReader, &(aResult->angularVelocity[0])) ||
+        !ReadParam(aReader, &(aResult->angularVelocity[1])) ||
+        !ReadParam(aReader, &(aResult->angularVelocity[2])) ||
+        !ReadParam(aReader, &(aResult->angularAcceleration[0])) ||
+        !ReadParam(aReader, &(aResult->angularAcceleration[1])) ||
+        !ReadParam(aReader, &(aResult->angularAcceleration[2])) ||
+        !ReadParam(aReader, &(aResult->linearVelocity[0])) ||
+        !ReadParam(aReader, &(aResult->linearVelocity[1])) ||
+        !ReadParam(aReader, &(aResult->linearVelocity[2])) ||
+        !ReadParam(aReader, &(aResult->linearAcceleration[0])) ||
+        !ReadParam(aReader, &(aResult->linearAcceleration[1])) ||
+        !ReadParam(aReader, &(aResult->linearAcceleration[2])) ||
+        !ReadParam(aReader, &(aResult->isPositionValid)) ||
+        !ReadParam(aReader, &(aResult->isOrientationValid))) {
+      return false;
+    }
+    return true;
+  }
+};
+
+template <>
+struct ParamTraits<mozilla::dom::GamepadTouchState> {
+  typedef mozilla::dom::GamepadTouchState paramType;
+
+  static void Write(MessageWriter* aWriter, const paramType& aParam) {
+    WriteParam(aWriter, aParam.touchId);
+    WriteParam(aWriter, aParam.surfaceId);
+    WriteParam(aWriter, aParam.position[0]);
+    WriteParam(aWriter, aParam.position[1]);
+    WriteParam(aWriter, aParam.surfaceDimensions[0]);
+    WriteParam(aWriter, aParam.surfaceDimensions[1]);
+    WriteParam(aWriter, aParam.isSurfaceDimensionsValid);
+  }
+
+  static bool Read(MessageReader* aReader, paramType* aResult) {
+    if (!ReadParam(aReader, &(aResult->touchId)) ||
+        !ReadParam(aReader, &(aResult->surfaceId)) ||
+        !ReadParam(aReader, &(aResult->position[0])) ||
+        !ReadParam(aReader, &(aResult->position[1])) ||
+        !ReadParam(aReader, &(aResult->surfaceDimensions[0])) ||
+        !ReadParam(aReader, &(aResult->surfaceDimensions[1])) ||
+        !ReadParam(aReader, &(aResult->isSurfaceDimensionsValid))) {
+      return false;
+    }
+    return true;
+  }
+};
+
+template <>
+struct ParamTraits<mozilla::dom::GamepadHandleKind>
+    : public ContiguousEnumSerializerInclusive<
+          mozilla::dom::GamepadHandleKind,
+          mozilla::dom::GamepadHandleKind::GamepadPlatformManager,
+          mozilla::dom::GamepadHandleKind::VR> {};
+
+template <>
+struct ParamTraits<mozilla::dom::GamepadHandle> {
+  typedef mozilla::dom::GamepadHandle paramType;
+  static void Write(MessageWriter* aWriter, const paramType& aParam) {
+    WriteParam(aWriter, aParam.mValue);
+    WriteParam(aWriter, aParam.mKind);
+  }
+  static bool Read(MessageReader* aReader, paramType* aParam) {
+    return ReadParam(aReader, &aParam->mValue) &&
+           ReadParam(aReader, &aParam->mKind);
+  }
+};
+
+}  // namespace IPC
+
+#endif  // mozilla_dom_gamepad_GamepadMessageUtils_h