Add m-esr52 at 52.6.0

1 files changed, 1348 insertions, 0 deletions

diff --git a/widget/nsGUIEventIPC.h b/widget/nsGUIEventIPC.h
new file mode 100644
index 0000000000..7a9d870d9a
--- /dev/null
+++ b/widget/nsGUIEventIPC.h
@@ -0,0 +1,1348 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 nsGUIEventIPC_h__
+#define nsGUIEventIPC_h__
+
+#include "ipc/IPCMessageUtils.h"
+#include "mozilla/ContentCache.h"
+#include "mozilla/GfxMessageUtils.h"
+#include "mozilla/dom/Touch.h"
+#include "mozilla/MiscEvents.h"
+#include "mozilla/MouseEvents.h"
+#include "mozilla/TextEvents.h"
+#include "mozilla/TouchEvents.h"
+#include "InputData.h"
+
+namespace IPC
+{
+
+template<>
+struct ParamTraits<mozilla::EventMessage>
+{
+  typedef mozilla::EventMessage paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, static_cast<const mozilla::EventMessageType&>(aParam));
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    mozilla::EventMessageType eventMessage = 0;
+    bool ret = ReadParam(aMsg, aIter, &eventMessage);
+    *aResult = static_cast<paramType>(eventMessage);
+    return ret;
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::BaseEventFlags>
+{
+  typedef mozilla::BaseEventFlags paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    aMsg->WriteBytes(&aParam, sizeof(aParam));
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return aMsg->ReadBytesInto(aIter, aResult, sizeof(*aResult));
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::WidgetEvent>
+{
+  typedef mozilla::WidgetEvent paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg,
+      static_cast<mozilla::EventClassIDType>(aParam.mClass));
+    WriteParam(aMsg, aParam.mMessage);
+    WriteParam(aMsg, aParam.mRefPoint);
+    WriteParam(aMsg, aParam.mTime);
+    WriteParam(aMsg, aParam.mTimeStamp);
+    WriteParam(aMsg, aParam.mFlags);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    mozilla::EventClassIDType eventClassID = 0;
+    bool ret = ReadParam(aMsg, aIter, &eventClassID) &&
+               ReadParam(aMsg, aIter, &aResult->mMessage) &&
+               ReadParam(aMsg, aIter, &aResult->mRefPoint) &&
+               ReadParam(aMsg, aIter, &aResult->mTime) &&
+               ReadParam(aMsg, aIter, &aResult->mTimeStamp) &&
+               ReadParam(aMsg, aIter, &aResult->mFlags);
+    aResult->mClass = static_cast<mozilla::EventClassID>(eventClassID);
+    return ret;
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::NativeEventData>
+{
+  typedef mozilla::NativeEventData paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, aParam.mBuffer);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter, &aResult->mBuffer);
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::WidgetGUIEvent>
+{
+  typedef mozilla::WidgetGUIEvent paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, static_cast<mozilla::WidgetEvent>(aParam));
+    WriteParam(aMsg, aParam.mPluginEvent);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter, static_cast<mozilla::WidgetEvent*>(aResult)) &&
+           ReadParam(aMsg, aIter, &aResult->mPluginEvent);
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::WidgetInputEvent>
+{
+  typedef mozilla::WidgetInputEvent paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, static_cast<mozilla::WidgetGUIEvent>(aParam));
+    WriteParam(aMsg, aParam.mModifiers);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter,
+                     static_cast<mozilla::WidgetGUIEvent*>(aResult)) &&
+           ReadParam(aMsg, aIter, &aResult->mModifiers);
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::WidgetMouseEventBase>
+{
+  typedef mozilla::WidgetMouseEventBase paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, static_cast<mozilla::WidgetInputEvent>(aParam));
+    WriteParam(aMsg, aParam.button);
+    WriteParam(aMsg, aParam.buttons);
+    WriteParam(aMsg, aParam.pressure);
+    WriteParam(aMsg, aParam.hitCluster);
+    WriteParam(aMsg, aParam.inputSource);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter,
+                     static_cast<mozilla::WidgetInputEvent*>(aResult)) &&
+           ReadParam(aMsg, aIter, &aResult->button) &&
+           ReadParam(aMsg, aIter, &aResult->buttons) &&
+           ReadParam(aMsg, aIter, &aResult->pressure) &&
+           ReadParam(aMsg, aIter, &aResult->hitCluster) &&
+           ReadParam(aMsg, aIter, &aResult->inputSource);
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::WidgetWheelEvent>
+{
+  typedef mozilla::WidgetWheelEvent paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, static_cast<mozilla::WidgetMouseEventBase>(aParam));
+    WriteParam(aMsg, aParam.mDeltaX);
+    WriteParam(aMsg, aParam.mDeltaY);
+    WriteParam(aMsg, aParam.mDeltaZ);
+    WriteParam(aMsg, aParam.mDeltaMode);
+    WriteParam(aMsg, aParam.mCustomizedByUserPrefs);
+    WriteParam(aMsg, aParam.mMayHaveMomentum);
+    WriteParam(aMsg, aParam.mIsMomentum);
+    WriteParam(aMsg, aParam.mIsNoLineOrPageDelta);
+    WriteParam(aMsg, aParam.mLineOrPageDeltaX);
+    WriteParam(aMsg, aParam.mLineOrPageDeltaY);
+    WriteParam(aMsg, static_cast<uint8_t>(aParam.mScrollType));
+    WriteParam(aMsg, aParam.mOverflowDeltaX);
+    WriteParam(aMsg, aParam.mOverflowDeltaY);
+    WriteParam(aMsg, aParam.mViewPortIsOverscrolled);
+    WriteParam(aMsg, aParam.mCanTriggerSwipe);
+    WriteParam(aMsg, aParam.mAllowToOverrideSystemScrollSpeed);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    uint8_t scrollType = 0;
+    bool rv =
+      ReadParam(aMsg, aIter,
+                static_cast<mozilla::WidgetMouseEventBase*>(aResult)) &&
+      ReadParam(aMsg, aIter, &aResult->mDeltaX) &&
+      ReadParam(aMsg, aIter, &aResult->mDeltaY) &&
+      ReadParam(aMsg, aIter, &aResult->mDeltaZ) &&
+      ReadParam(aMsg, aIter, &aResult->mDeltaMode) &&
+      ReadParam(aMsg, aIter, &aResult->mCustomizedByUserPrefs) &&
+      ReadParam(aMsg, aIter, &aResult->mMayHaveMomentum) &&
+      ReadParam(aMsg, aIter, &aResult->mIsMomentum) &&
+      ReadParam(aMsg, aIter, &aResult->mIsNoLineOrPageDelta) &&
+      ReadParam(aMsg, aIter, &aResult->mLineOrPageDeltaX) &&
+      ReadParam(aMsg, aIter, &aResult->mLineOrPageDeltaY) &&
+      ReadParam(aMsg, aIter, &scrollType) &&
+      ReadParam(aMsg, aIter, &aResult->mOverflowDeltaX) &&
+      ReadParam(aMsg, aIter, &aResult->mOverflowDeltaY) &&
+      ReadParam(aMsg, aIter, &aResult->mViewPortIsOverscrolled) &&
+      ReadParam(aMsg, aIter, &aResult->mCanTriggerSwipe) &&
+      ReadParam(aMsg, aIter, &aResult->mAllowToOverrideSystemScrollSpeed);
+    aResult->mScrollType =
+      static_cast<mozilla::WidgetWheelEvent::ScrollType>(scrollType);
+    return rv;
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::WidgetMouseEvent>
+{
+  typedef mozilla::WidgetMouseEvent paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, static_cast<mozilla::WidgetMouseEventBase>(aParam));
+    WriteParam(aMsg, aParam.mIgnoreRootScrollFrame);
+    WriteParam(aMsg, static_cast<paramType::ReasonType>(aParam.mReason));
+    WriteParam(aMsg, static_cast<paramType::ContextMenuTriggerType>(
+                       aParam.mContextMenuTrigger));
+    WriteParam(aMsg, static_cast<paramType::ExitFromType>(aParam.mExitFrom));
+    WriteParam(aMsg, aParam.mClickCount);
+    WriteParam(aMsg, aParam.pointerId);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    bool rv;
+    paramType::ReasonType reason = 0;
+    paramType::ContextMenuTriggerType contextMenuTrigger = 0;
+    paramType::ExitFromType exitFrom = 0;
+    rv = ReadParam(aMsg, aIter,
+                   static_cast<mozilla::WidgetMouseEventBase*>(aResult)) &&
+         ReadParam(aMsg, aIter, &aResult->mIgnoreRootScrollFrame) &&
+         ReadParam(aMsg, aIter, &reason) &&
+         ReadParam(aMsg, aIter, &contextMenuTrigger) &&
+         ReadParam(aMsg, aIter, &exitFrom) &&
+         ReadParam(aMsg, aIter, &aResult->mClickCount) &&
+         ReadParam(aMsg, aIter, &aResult->pointerId);
+    aResult->mReason = static_cast<paramType::Reason>(reason);
+    aResult->mContextMenuTrigger =
+      static_cast<paramType::ContextMenuTrigger>(contextMenuTrigger);
+    aResult->mExitFrom = static_cast<paramType::ExitFrom>(exitFrom);
+    return rv;
+  }
+};
+
+
+template<>
+struct ParamTraits<mozilla::WidgetDragEvent>
+{
+  typedef mozilla::WidgetDragEvent paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, static_cast<mozilla::WidgetMouseEvent>(aParam));
+    WriteParam(aMsg, aParam.mUserCancelled);
+    WriteParam(aMsg, aParam.mDefaultPreventedOnContent);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    bool rv =
+      ReadParam(aMsg, aIter, static_cast<mozilla::WidgetMouseEvent*>(aResult)) &&
+      ReadParam(aMsg, aIter, &aResult->mUserCancelled) &&
+      ReadParam(aMsg, aIter, &aResult->mDefaultPreventedOnContent);
+    return rv;
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::WidgetPointerEvent>
+{
+  typedef mozilla::WidgetPointerEvent paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, static_cast<mozilla::WidgetMouseEvent>(aParam));
+    WriteParam(aMsg, aParam.mWidth);
+    WriteParam(aMsg, aParam.mHeight);
+    WriteParam(aMsg, aParam.tiltX);
+    WriteParam(aMsg, aParam.tiltY);
+    WriteParam(aMsg, aParam.mIsPrimary);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    bool rv =
+      ReadParam(aMsg, aIter, static_cast<mozilla::WidgetMouseEvent*>(aResult)) &&
+      ReadParam(aMsg, aIter, &aResult->mWidth) &&
+      ReadParam(aMsg, aIter, &aResult->mHeight) &&
+      ReadParam(aMsg, aIter, &aResult->tiltX) &&
+      ReadParam(aMsg, aIter, &aResult->tiltY) &&
+      ReadParam(aMsg, aIter, &aResult->mIsPrimary);
+    return rv;
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::WidgetTouchEvent>
+{
+  typedef mozilla::WidgetTouchEvent paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, static_cast<const mozilla::WidgetInputEvent&>(aParam));
+    // Sigh, Touch bites us again!  We want to be able to do
+    //   WriteParam(aMsg, aParam.mTouches);
+    const paramType::TouchArray& touches = aParam.mTouches;
+    WriteParam(aMsg, touches.Length());
+    for (uint32_t i = 0; i < touches.Length(); ++i) {
+      mozilla::dom::Touch* touch = touches[i];
+      WriteParam(aMsg, touch->mIdentifier);
+      WriteParam(aMsg, touch->mRefPoint);
+      WriteParam(aMsg, touch->mRadius);
+      WriteParam(aMsg, touch->mRotationAngle);
+      WriteParam(aMsg, touch->mForce);
+    }
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    paramType::TouchArray::size_type numTouches;
+    if (!ReadParam(aMsg, aIter,
+                   static_cast<mozilla::WidgetInputEvent*>(aResult)) ||
+        !ReadParam(aMsg, aIter, &numTouches)) {
+      return false;
+    }
+    for (uint32_t i = 0; i < numTouches; ++i) {
+        int32_t identifier;
+        mozilla::LayoutDeviceIntPoint refPoint;
+        mozilla::LayoutDeviceIntPoint radius;
+        float rotationAngle;
+        float force;
+        if (!ReadParam(aMsg, aIter, &identifier) ||
+            !ReadParam(aMsg, aIter, &refPoint) ||
+            !ReadParam(aMsg, aIter, &radius) ||
+            !ReadParam(aMsg, aIter, &rotationAngle) ||
+            !ReadParam(aMsg, aIter, &force)) {
+          return false;
+        }
+        aResult->mTouches.AppendElement(
+          new mozilla::dom::Touch(
+            identifier, refPoint, radius, rotationAngle, force));
+    }
+    return true;
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::AlternativeCharCode>
+{
+  typedef mozilla::AlternativeCharCode paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, aParam.mUnshiftedCharCode);
+    WriteParam(aMsg, aParam.mShiftedCharCode);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter, &aResult->mUnshiftedCharCode) &&
+           ReadParam(aMsg, aIter, &aResult->mShiftedCharCode);
+  }
+};
+
+
+template<>
+struct ParamTraits<mozilla::WidgetKeyboardEvent>
+{
+  typedef mozilla::WidgetKeyboardEvent paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, static_cast<mozilla::WidgetInputEvent>(aParam));
+    WriteParam(aMsg,
+               static_cast<mozilla::KeyNameIndexType>(aParam.mKeyNameIndex));
+    WriteParam(aMsg,
+               static_cast<mozilla::CodeNameIndexType>(aParam.mCodeNameIndex));
+    WriteParam(aMsg, aParam.mKeyValue);
+    WriteParam(aMsg, aParam.mCodeValue);
+    WriteParam(aMsg, aParam.mKeyCode);
+    WriteParam(aMsg, aParam.mCharCode);
+    WriteParam(aMsg, aParam.mPseudoCharCode);
+    WriteParam(aMsg, aParam.mAlternativeCharCodes);
+    WriteParam(aMsg, aParam.mIsChar);
+    WriteParam(aMsg, aParam.mIsRepeat);
+    WriteParam(aMsg, aParam.mIsReserved);
+    WriteParam(aMsg, aParam.mAccessKeyForwardedToChild);
+    WriteParam(aMsg, aParam.mLocation);
+    WriteParam(aMsg, aParam.mUniqueId);
+    WriteParam(aMsg, aParam.mIsSynthesizedByTIP);
+    WriteParam(aMsg,
+               static_cast<paramType::InputMethodAppStateType>
+                 (aParam.mInputMethodAppState));
+#ifdef XP_MACOSX
+    WriteParam(aMsg, aParam.mNativeKeyCode);
+    WriteParam(aMsg, aParam.mNativeModifierFlags);
+    WriteParam(aMsg, aParam.mNativeCharacters);
+    WriteParam(aMsg, aParam.mNativeCharactersIgnoringModifiers);
+    WriteParam(aMsg, aParam.mPluginTextEventString);
+#endif
+    // An OS-specific native event might be attached in |mNativeKeyEvent|,  but
+    // that cannot be copied across process boundaries.
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    mozilla::KeyNameIndexType keyNameIndex = 0;
+    mozilla::CodeNameIndexType codeNameIndex = 0;
+    paramType::InputMethodAppStateType inputMethodAppState = 0;
+    if (ReadParam(aMsg, aIter,
+                  static_cast<mozilla::WidgetInputEvent*>(aResult)) &&
+        ReadParam(aMsg, aIter, &keyNameIndex) &&
+        ReadParam(aMsg, aIter, &codeNameIndex) &&
+        ReadParam(aMsg, aIter, &aResult->mKeyValue) &&
+        ReadParam(aMsg, aIter, &aResult->mCodeValue) &&
+        ReadParam(aMsg, aIter, &aResult->mKeyCode) &&
+        ReadParam(aMsg, aIter, &aResult->mCharCode) &&
+        ReadParam(aMsg, aIter, &aResult->mPseudoCharCode) &&
+        ReadParam(aMsg, aIter, &aResult->mAlternativeCharCodes) &&
+        ReadParam(aMsg, aIter, &aResult->mIsChar) &&
+        ReadParam(aMsg, aIter, &aResult->mIsRepeat) &&
+        ReadParam(aMsg, aIter, &aResult->mIsReserved) &&
+        ReadParam(aMsg, aIter, &aResult->mAccessKeyForwardedToChild) &&
+        ReadParam(aMsg, aIter, &aResult->mLocation) &&
+        ReadParam(aMsg, aIter, &aResult->mUniqueId) &&
+        ReadParam(aMsg, aIter, &aResult->mIsSynthesizedByTIP) &&
+        ReadParam(aMsg, aIter, &inputMethodAppState)
+#ifdef XP_MACOSX
+        && ReadParam(aMsg, aIter, &aResult->mNativeKeyCode)
+        && ReadParam(aMsg, aIter, &aResult->mNativeModifierFlags)
+        && ReadParam(aMsg, aIter, &aResult->mNativeCharacters)
+        && ReadParam(aMsg, aIter, &aResult->mNativeCharactersIgnoringModifiers)
+        && ReadParam(aMsg, aIter, &aResult->mPluginTextEventString)
+#endif
+        )
+    {
+      aResult->mKeyNameIndex = static_cast<mozilla::KeyNameIndex>(keyNameIndex);
+      aResult->mCodeNameIndex =
+        static_cast<mozilla::CodeNameIndex>(codeNameIndex);
+      aResult->mNativeKeyEvent = nullptr;
+      aResult->mInputMethodAppState =
+        static_cast<paramType::InputMethodAppState>(inputMethodAppState);
+      return true;
+    }
+    return false;
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::InternalBeforeAfterKeyboardEvent>
+{
+  typedef mozilla::InternalBeforeAfterKeyboardEvent paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, static_cast<mozilla::WidgetKeyboardEvent>(aParam));
+    WriteParam(aMsg, aParam.mEmbeddedCancelled.IsNull());
+    WriteParam(aMsg, aParam.mEmbeddedCancelled.Value());
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    bool isNull;
+    bool value;
+    bool rv =
+      ReadParam(aMsg, aIter,
+                static_cast<mozilla::WidgetKeyboardEvent*>(aResult)) &&
+      ReadParam(aMsg, aIter, &isNull) &&
+      ReadParam(aMsg, aIter, &value);
+
+    aResult->mEmbeddedCancelled = Nullable<bool>();
+    if (rv && !isNull) {
+      aResult->mEmbeddedCancelled.SetValue(value);
+    }
+
+    return rv;
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::TextRangeStyle>
+{
+  typedef mozilla::TextRangeStyle paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, aParam.mDefinedStyles);
+    WriteParam(aMsg, aParam.mLineStyle);
+    WriteParam(aMsg, aParam.mIsBoldLine);
+    WriteParam(aMsg, aParam.mForegroundColor);
+    WriteParam(aMsg, aParam.mBackgroundColor);
+    WriteParam(aMsg, aParam.mUnderlineColor);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter, &aResult->mDefinedStyles) &&
+           ReadParam(aMsg, aIter, &aResult->mLineStyle) &&
+           ReadParam(aMsg, aIter, &aResult->mIsBoldLine) &&
+           ReadParam(aMsg, aIter, &aResult->mForegroundColor) &&
+           ReadParam(aMsg, aIter, &aResult->mBackgroundColor) &&
+           ReadParam(aMsg, aIter, &aResult->mUnderlineColor);
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::TextRange>
+{
+  typedef mozilla::TextRange paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, aParam.mStartOffset);
+    WriteParam(aMsg, aParam.mEndOffset);
+    WriteParam(aMsg, mozilla::ToRawTextRangeType(aParam.mRangeType));
+    WriteParam(aMsg, aParam.mRangeStyle);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    mozilla::RawTextRangeType rawTextRangeType;
+    if (ReadParam(aMsg, aIter, &aResult->mStartOffset) &&
+        ReadParam(aMsg, aIter, &aResult->mEndOffset) &&
+        ReadParam(aMsg, aIter, &rawTextRangeType) &&
+        ReadParam(aMsg, aIter, &aResult->mRangeStyle)) {
+      aResult->mRangeType = mozilla::ToTextRangeType(rawTextRangeType);
+      return true;
+    }
+    return false;
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::TextRangeArray>
+{
+  typedef mozilla::TextRangeArray paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, aParam.Length());
+    for (uint32_t index = 0; index < aParam.Length(); index++) {
+      WriteParam(aMsg, aParam[index]);
+    }
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    paramType::size_type length;
+    if (!ReadParam(aMsg, aIter, &length)) {
+      return false;
+    }
+    for (uint32_t index = 0; index < length; index++) {
+      mozilla::TextRange textRange;
+      if (!ReadParam(aMsg, aIter, &textRange)) {
+        aResult->Clear();
+        return false;
+      }
+      aResult->AppendElement(textRange);
+    }
+    return true;
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::WidgetCompositionEvent>
+{
+  typedef mozilla::WidgetCompositionEvent paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, static_cast<mozilla::WidgetGUIEvent>(aParam));
+    WriteParam(aMsg, aParam.mData);
+    WriteParam(aMsg, aParam.mNativeIMEContext);
+    bool hasRanges = !!aParam.mRanges;
+    WriteParam(aMsg, hasRanges);
+    if (hasRanges) {
+      WriteParam(aMsg, *aParam.mRanges.get());
+    }
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    bool hasRanges;
+    if (!ReadParam(aMsg, aIter,
+                   static_cast<mozilla::WidgetGUIEvent*>(aResult)) ||
+        !ReadParam(aMsg, aIter, &aResult->mData) ||
+        !ReadParam(aMsg, aIter, &aResult->mNativeIMEContext) ||
+        !ReadParam(aMsg, aIter, &hasRanges)) {
+      return false;
+    }
+
+    if (!hasRanges) {
+      aResult->mRanges = nullptr;
+    } else {
+      aResult->mRanges = new mozilla::TextRangeArray();
+      if (!ReadParam(aMsg, aIter, aResult->mRanges.get())) {
+        return false;
+      }
+    }
+    return true;
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::FontRange>
+{
+  typedef mozilla::FontRange paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, aParam.mStartOffset);
+    WriteParam(aMsg, aParam.mFontName);
+    WriteParam(aMsg, aParam.mFontSize);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter, &aResult->mStartOffset) &&
+           ReadParam(aMsg, aIter, &aResult->mFontName) &&
+           ReadParam(aMsg, aIter, &aResult->mFontSize);
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::WidgetQueryContentEvent::Input>
+{
+  typedef mozilla::WidgetQueryContentEvent::Input paramType;
+  typedef mozilla::WidgetQueryContentEvent event;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, aParam.mOffset);
+    WriteParam(aMsg, aParam.mLength);
+    WriteParam(aMsg, mozilla::ToRawSelectionType(aParam.mSelectionType));
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    mozilla::RawSelectionType rawSelectionType = 0;
+    bool ok = ReadParam(aMsg, aIter, &aResult->mOffset) &&
+              ReadParam(aMsg, aIter, &aResult->mLength) &&
+              ReadParam(aMsg, aIter, &rawSelectionType);
+    aResult->mSelectionType = mozilla::ToSelectionType(rawSelectionType);
+    return ok;
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::WidgetQueryContentEvent>
+{
+  typedef mozilla::WidgetQueryContentEvent paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, static_cast<mozilla::WidgetGUIEvent>(aParam));
+    WriteParam(aMsg, aParam.mSucceeded);
+    WriteParam(aMsg, aParam.mUseNativeLineBreak);
+    WriteParam(aMsg, aParam.mWithFontRanges);
+    WriteParam(aMsg, aParam.mInput);
+    WriteParam(aMsg, aParam.mReply.mOffset);
+    WriteParam(aMsg, aParam.mReply.mTentativeCaretOffset);
+    WriteParam(aMsg, aParam.mReply.mString);
+    WriteParam(aMsg, aParam.mReply.mRect);
+    WriteParam(aMsg, aParam.mReply.mReversed);
+    WriteParam(aMsg, aParam.mReply.mHasSelection);
+    WriteParam(aMsg, aParam.mReply.mWidgetIsHit);
+    WriteParam(aMsg, aParam.mReply.mFontRanges);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter,
+                     static_cast<mozilla::WidgetGUIEvent*>(aResult)) &&
+           ReadParam(aMsg, aIter, &aResult->mSucceeded) &&
+           ReadParam(aMsg, aIter, &aResult->mUseNativeLineBreak) &&
+           ReadParam(aMsg, aIter, &aResult->mWithFontRanges) &&
+           ReadParam(aMsg, aIter, &aResult->mInput) &&
+           ReadParam(aMsg, aIter, &aResult->mReply.mOffset) &&
+           ReadParam(aMsg, aIter, &aResult->mReply.mTentativeCaretOffset) &&
+           ReadParam(aMsg, aIter, &aResult->mReply.mString) &&
+           ReadParam(aMsg, aIter, &aResult->mReply.mRect) &&
+           ReadParam(aMsg, aIter, &aResult->mReply.mReversed) &&
+           ReadParam(aMsg, aIter, &aResult->mReply.mHasSelection) &&
+           ReadParam(aMsg, aIter, &aResult->mReply.mWidgetIsHit) &&
+           ReadParam(aMsg, aIter, &aResult->mReply.mFontRanges);
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::WidgetSelectionEvent>
+{
+  typedef mozilla::WidgetSelectionEvent paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, static_cast<mozilla::WidgetGUIEvent>(aParam));
+    WriteParam(aMsg, aParam.mOffset);
+    WriteParam(aMsg, aParam.mLength);
+    WriteParam(aMsg, aParam.mReversed);
+    WriteParam(aMsg, aParam.mExpandToClusterBoundary);
+    WriteParam(aMsg, aParam.mSucceeded);
+    WriteParam(aMsg, aParam.mUseNativeLineBreak);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter,
+                     static_cast<mozilla::WidgetGUIEvent*>(aResult)) &&
+           ReadParam(aMsg, aIter, &aResult->mOffset) &&
+           ReadParam(aMsg, aIter, &aResult->mLength) &&
+           ReadParam(aMsg, aIter, &aResult->mReversed) &&
+           ReadParam(aMsg, aIter, &aResult->mExpandToClusterBoundary) &&
+           ReadParam(aMsg, aIter, &aResult->mSucceeded) &&
+           ReadParam(aMsg, aIter, &aResult->mUseNativeLineBreak);
+  }
+};
+
+template<>
+struct ParamTraits<nsIMEUpdatePreference>
+{
+  typedef nsIMEUpdatePreference paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, aParam.mWantUpdates);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter, &aResult->mWantUpdates);
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::widget::NativeIMEContext>
+{
+  typedef mozilla::widget::NativeIMEContext paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, aParam.mRawNativeIMEContext);
+    WriteParam(aMsg, aParam.mOriginProcessID);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter, &aResult->mRawNativeIMEContext) &&
+           ReadParam(aMsg, aIter, &aResult->mOriginProcessID);
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::widget::IMENotification::Point>
+{
+  typedef mozilla::widget::IMENotification::Point paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, aParam.mX);
+    WriteParam(aMsg, aParam.mY);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter, &aResult->mX) &&
+           ReadParam(aMsg, aIter, &aResult->mY);
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::widget::IMENotification::Rect>
+{
+  typedef mozilla::widget::IMENotification::Rect paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, aParam.mX);
+    WriteParam(aMsg, aParam.mY);
+    WriteParam(aMsg, aParam.mWidth);
+    WriteParam(aMsg, aParam.mHeight);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter, &aResult->mX) &&
+           ReadParam(aMsg, aIter, &aResult->mY) &&
+           ReadParam(aMsg, aIter, &aResult->mWidth) &&
+           ReadParam(aMsg, aIter, &aResult->mHeight);
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::widget::IMENotification::SelectionChangeDataBase>
+{
+  typedef mozilla::widget::IMENotification::SelectionChangeDataBase paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    MOZ_RELEASE_ASSERT(aParam.mString);
+    WriteParam(aMsg, aParam.mOffset);
+    WriteParam(aMsg, *aParam.mString);
+    WriteParam(aMsg, aParam.mWritingMode);
+    WriteParam(aMsg, aParam.mReversed);
+    WriteParam(aMsg, aParam.mCausedByComposition);
+    WriteParam(aMsg, aParam.mCausedBySelectionEvent);
+    WriteParam(aMsg, aParam.mOccurredDuringComposition);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    aResult->mString = new nsString();
+    return ReadParam(aMsg, aIter, &aResult->mOffset) &&
+           ReadParam(aMsg, aIter, aResult->mString) &&
+           ReadParam(aMsg, aIter, &aResult->mWritingMode) &&
+           ReadParam(aMsg, aIter, &aResult->mReversed) &&
+           ReadParam(aMsg, aIter, &aResult->mCausedByComposition) &&
+           ReadParam(aMsg, aIter, &aResult->mCausedBySelectionEvent) &&
+           ReadParam(aMsg, aIter, &aResult->mOccurredDuringComposition);
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::widget::IMENotification::TextChangeDataBase>
+{
+  typedef mozilla::widget::IMENotification::TextChangeDataBase paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, aParam.mStartOffset);
+    WriteParam(aMsg, aParam.mRemovedEndOffset);
+    WriteParam(aMsg, aParam.mAddedEndOffset);
+    WriteParam(aMsg, aParam.mCausedOnlyByComposition);
+    WriteParam(aMsg, aParam.mIncludingChangesDuringComposition);
+    WriteParam(aMsg, aParam.mIncludingChangesWithoutComposition);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter, &aResult->mStartOffset) &&
+           ReadParam(aMsg, aIter, &aResult->mRemovedEndOffset) &&
+           ReadParam(aMsg, aIter, &aResult->mAddedEndOffset) &&
+           ReadParam(aMsg, aIter, &aResult->mCausedOnlyByComposition) &&
+           ReadParam(aMsg, aIter,
+                     &aResult->mIncludingChangesDuringComposition) &&
+           ReadParam(aMsg, aIter,
+                     &aResult->mIncludingChangesWithoutComposition);
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::widget::IMENotification::MouseButtonEventData>
+{
+  typedef mozilla::widget::IMENotification::MouseButtonEventData paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, aParam.mEventMessage);
+    WriteParam(aMsg, aParam.mOffset);
+    WriteParam(aMsg, aParam.mCursorPos);
+    WriteParam(aMsg, aParam.mCharRect);
+    WriteParam(aMsg, aParam.mButton);
+    WriteParam(aMsg, aParam.mButtons);
+    WriteParam(aMsg, aParam.mModifiers);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter, &aResult->mEventMessage) &&
+           ReadParam(aMsg, aIter, &aResult->mOffset) &&
+           ReadParam(aMsg, aIter, &aResult->mCursorPos) &&
+           ReadParam(aMsg, aIter, &aResult->mCharRect) &&
+           ReadParam(aMsg, aIter, &aResult->mButton) &&
+           ReadParam(aMsg, aIter, &aResult->mButtons) &&
+           ReadParam(aMsg, aIter, &aResult->mModifiers);
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::widget::IMENotification>
+{
+  typedef mozilla::widget::IMENotification paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg,
+      static_cast<mozilla::widget::IMEMessageType>(aParam.mMessage));
+    switch (aParam.mMessage) {
+      case mozilla::widget::NOTIFY_IME_OF_SELECTION_CHANGE:
+        WriteParam(aMsg, aParam.mSelectionChangeData);
+        return;
+      case mozilla::widget::NOTIFY_IME_OF_TEXT_CHANGE:
+        WriteParam(aMsg, aParam.mTextChangeData);
+        return;
+      case mozilla::widget::NOTIFY_IME_OF_MOUSE_BUTTON_EVENT:
+        WriteParam(aMsg, aParam.mMouseButtonEventData);
+        return;
+      default:
+        return;
+    }
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    mozilla::widget::IMEMessageType IMEMessage = 0;
+    if (!ReadParam(aMsg, aIter, &IMEMessage)) {
+      return false;
+    }
+    aResult->mMessage = static_cast<mozilla::widget::IMEMessage>(IMEMessage);
+    switch (aResult->mMessage) {
+      case mozilla::widget::NOTIFY_IME_OF_SELECTION_CHANGE:
+        return ReadParam(aMsg, aIter, &aResult->mSelectionChangeData);
+      case mozilla::widget::NOTIFY_IME_OF_TEXT_CHANGE:
+        return ReadParam(aMsg, aIter, &aResult->mTextChangeData);
+      case mozilla::widget::NOTIFY_IME_OF_MOUSE_BUTTON_EVENT:
+        return ReadParam(aMsg, aIter, &aResult->mMouseButtonEventData);
+      default:
+        return true;
+    }
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::WidgetPluginEvent>
+{
+  typedef mozilla::WidgetPluginEvent paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, static_cast<mozilla::WidgetGUIEvent>(aParam));
+    WriteParam(aMsg, aParam.mRetargetToFocusedDocument);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter,
+                     static_cast<mozilla::WidgetGUIEvent*>(aResult)) &&
+           ReadParam(aMsg, aIter, &aResult->mRetargetToFocusedDocument);
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::WritingMode>
+{
+  typedef mozilla::WritingMode paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, aParam.mWritingMode);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter, &aResult->mWritingMode);
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::ContentCache>
+{
+  typedef mozilla::ContentCache paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, aParam.mCompositionStart);
+    WriteParam(aMsg, aParam.mText);
+    WriteParam(aMsg, aParam.mSelection.mAnchor);
+    WriteParam(aMsg, aParam.mSelection.mFocus);
+    WriteParam(aMsg, aParam.mSelection.mWritingMode);
+    WriteParam(aMsg, aParam.mSelection.mAnchorCharRects[0]);
+    WriteParam(aMsg, aParam.mSelection.mAnchorCharRects[1]);
+    WriteParam(aMsg, aParam.mSelection.mFocusCharRects[0]);
+    WriteParam(aMsg, aParam.mSelection.mFocusCharRects[1]);
+    WriteParam(aMsg, aParam.mSelection.mRect);
+    WriteParam(aMsg, aParam.mFirstCharRect);
+    WriteParam(aMsg, aParam.mCaret.mOffset);
+    WriteParam(aMsg, aParam.mCaret.mRect);
+    WriteParam(aMsg, aParam.mTextRectArray.mStart);
+    WriteParam(aMsg, aParam.mTextRectArray.mRects);
+    WriteParam(aMsg, aParam.mEditorRect);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter, &aResult->mCompositionStart) &&
+           ReadParam(aMsg, aIter, &aResult->mText) &&
+           ReadParam(aMsg, aIter, &aResult->mSelection.mAnchor) &&
+           ReadParam(aMsg, aIter, &aResult->mSelection.mFocus) &&
+           ReadParam(aMsg, aIter, &aResult->mSelection.mWritingMode) &&
+           ReadParam(aMsg, aIter, &aResult->mSelection.mAnchorCharRects[0]) &&
+           ReadParam(aMsg, aIter, &aResult->mSelection.mAnchorCharRects[1]) &&
+           ReadParam(aMsg, aIter, &aResult->mSelection.mFocusCharRects[0]) &&
+           ReadParam(aMsg, aIter, &aResult->mSelection.mFocusCharRects[1]) &&
+           ReadParam(aMsg, aIter, &aResult->mSelection.mRect) &&
+           ReadParam(aMsg, aIter, &aResult->mFirstCharRect) &&
+           ReadParam(aMsg, aIter, &aResult->mCaret.mOffset) &&
+           ReadParam(aMsg, aIter, &aResult->mCaret.mRect) &&
+           ReadParam(aMsg, aIter, &aResult->mTextRectArray.mStart) &&
+           ReadParam(aMsg, aIter, &aResult->mTextRectArray.mRects) &&
+           ReadParam(aMsg, aIter, &aResult->mEditorRect);
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::widget::CandidateWindowPosition>
+{
+  typedef mozilla::widget::CandidateWindowPosition paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, aParam.mPoint);
+    WriteParam(aMsg, aParam.mRect);
+    WriteParam(aMsg, aParam.mExcludeRect);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter, &aResult->mPoint) &&
+           ReadParam(aMsg, aIter, &aResult->mRect) &&
+           ReadParam(aMsg, aIter, &aResult->mExcludeRect);
+  }
+};
+
+// InputData.h
+
+template<>
+struct ParamTraits<mozilla::InputType>
+  : public ContiguousEnumSerializer<
+             mozilla::InputType,
+             mozilla::InputType::MULTITOUCH_INPUT,
+             mozilla::InputType::SENTINEL_INPUT>
+{};
+
+template<>
+struct ParamTraits<mozilla::InputData>
+{
+  typedef mozilla::InputData paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, aParam.mInputType);
+    WriteParam(aMsg, aParam.mTime);
+    WriteParam(aMsg, aParam.mTimeStamp);
+    WriteParam(aMsg, aParam.modifiers);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter, &aResult->mInputType) &&
+           ReadParam(aMsg, aIter, &aResult->mTime) &&
+           ReadParam(aMsg, aIter, &aResult->mTimeStamp) &&
+           ReadParam(aMsg, aIter, &aResult->modifiers);
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::SingleTouchData>
+{
+  typedef mozilla::SingleTouchData paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, aParam.mIdentifier);
+    WriteParam(aMsg, aParam.mScreenPoint);
+    WriteParam(aMsg, aParam.mLocalScreenPoint);
+    WriteParam(aMsg, aParam.mRadius);
+    WriteParam(aMsg, aParam.mRotationAngle);
+    WriteParam(aMsg, aParam.mForce);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return (ReadParam(aMsg, aIter, &aResult->mIdentifier) &&
+            ReadParam(aMsg, aIter, &aResult->mScreenPoint) &&
+            ReadParam(aMsg, aIter, &aResult->mLocalScreenPoint) &&
+            ReadParam(aMsg, aIter, &aResult->mRadius) &&
+            ReadParam(aMsg, aIter, &aResult->mRotationAngle) &&
+            ReadParam(aMsg, aIter, &aResult->mForce));
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::MultiTouchInput::MultiTouchType>
+  : public ContiguousEnumSerializer<
+             mozilla::MultiTouchInput::MultiTouchType,
+             mozilla::MultiTouchInput::MultiTouchType::MULTITOUCH_START,
+             mozilla::MultiTouchInput::MultiTouchType::MULTITOUCH_SENTINEL>
+{};
+
+template<>
+struct ParamTraits<mozilla::MultiTouchInput>
+{
+  typedef mozilla::MultiTouchInput paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, static_cast<mozilla::InputData>(aParam));
+    WriteParam(aMsg, aParam.mType);
+    WriteParam(aMsg, aParam.mTouches);
+    WriteParam(aMsg, aParam.mHandledByAPZ);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter, static_cast<mozilla::InputData*>(aResult)) &&
+           ReadParam(aMsg, aIter, &aResult->mType) &&
+           ReadParam(aMsg, aIter, &aResult->mTouches) &&
+           ReadParam(aMsg, aIter, &aResult->mHandledByAPZ);
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::MouseInput::MouseType>
+  : public ContiguousEnumSerializer<
+             mozilla::MouseInput::MouseType,
+             mozilla::MouseInput::MouseType::MOUSE_NONE,
+             mozilla::MouseInput::MouseType::MOUSE_SENTINEL>
+{};
+
+template<>
+struct ParamTraits<mozilla::MouseInput::ButtonType>
+  : public ContiguousEnumSerializer<
+             mozilla::MouseInput::ButtonType,
+             mozilla::MouseInput::ButtonType::LEFT_BUTTON,
+             mozilla::MouseInput::ButtonType::BUTTON_SENTINEL>
+{};
+
+template<>
+struct ParamTraits<mozilla::MouseInput>
+{
+  typedef mozilla::MouseInput paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, static_cast<mozilla::InputData>(aParam));
+    WriteParam(aMsg, aParam.mButtonType);
+    WriteParam(aMsg, aParam.mType);
+    WriteParam(aMsg, aParam.mInputSource);
+    WriteParam(aMsg, aParam.mButtons);
+    WriteParam(aMsg, aParam.mOrigin);
+    WriteParam(aMsg, aParam.mLocalOrigin);
+    WriteParam(aMsg, aParam.mHandledByAPZ);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter, static_cast<mozilla::InputData*>(aResult)) &&
+           ReadParam(aMsg, aIter, &aResult->mButtonType) &&
+           ReadParam(aMsg, aIter, &aResult->mType) &&
+           ReadParam(aMsg, aIter, &aResult->mInputSource) &&
+           ReadParam(aMsg, aIter, &aResult->mButtons) &&
+           ReadParam(aMsg, aIter, &aResult->mOrigin) &&
+           ReadParam(aMsg, aIter, &aResult->mLocalOrigin) &&
+           ReadParam(aMsg, aIter, &aResult->mHandledByAPZ);
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::PanGestureInput::PanGestureType>
+  : public ContiguousEnumSerializer<
+             mozilla::PanGestureInput::PanGestureType,
+             mozilla::PanGestureInput::PanGestureType::PANGESTURE_MAYSTART,
+             mozilla::PanGestureInput::PanGestureType::PANGESTURE_SENTINEL>
+{};
+
+template<>
+struct ParamTraits<mozilla::PanGestureInput>
+{
+  typedef mozilla::PanGestureInput paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, static_cast<mozilla::InputData>(aParam));
+    WriteParam(aMsg, aParam.mType);
+    WriteParam(aMsg, aParam.mPanStartPoint);
+    WriteParam(aMsg, aParam.mPanDisplacement);
+    WriteParam(aMsg, aParam.mLocalPanStartPoint);
+    WriteParam(aMsg, aParam.mLocalPanDisplacement);
+    WriteParam(aMsg, aParam.mLineOrPageDeltaX);
+    WriteParam(aMsg, aParam.mLineOrPageDeltaY);
+    WriteParam(aMsg, aParam.mUserDeltaMultiplierX);
+    WriteParam(aMsg, aParam.mUserDeltaMultiplierY);
+    WriteParam(aMsg, aParam.mHandledByAPZ);
+    WriteParam(aMsg, aParam.mFollowedByMomentum);
+    WriteParam(aMsg, aParam.mRequiresContentResponseIfCannotScrollHorizontallyInStartDirection);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter, static_cast<mozilla::InputData*>(aResult)) &&
+           ReadParam(aMsg, aIter, &aResult->mType) &&
+           ReadParam(aMsg, aIter, &aResult->mPanStartPoint) &&
+           ReadParam(aMsg, aIter, &aResult->mPanDisplacement) &&
+           ReadParam(aMsg, aIter, &aResult->mLocalPanStartPoint) &&
+           ReadParam(aMsg, aIter, &aResult->mLocalPanDisplacement) &&
+           ReadParam(aMsg, aIter, &aResult->mLineOrPageDeltaX) &&
+           ReadParam(aMsg, aIter, &aResult->mLineOrPageDeltaY) &&
+           ReadParam(aMsg, aIter, &aResult->mUserDeltaMultiplierX) &&
+           ReadParam(aMsg, aIter, &aResult->mUserDeltaMultiplierY) &&
+           ReadParam(aMsg, aIter, &aResult->mHandledByAPZ) &&
+           ReadParam(aMsg, aIter, &aResult->mFollowedByMomentum) &&
+           ReadParam(aMsg, aIter, &aResult->mRequiresContentResponseIfCannotScrollHorizontallyInStartDirection);
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::PinchGestureInput::PinchGestureType>
+  : public ContiguousEnumSerializer<
+             mozilla::PinchGestureInput::PinchGestureType,
+             mozilla::PinchGestureInput::PinchGestureType::PINCHGESTURE_START,
+             mozilla::PinchGestureInput::PinchGestureType::PINCHGESTURE_SENTINEL>
+{};
+
+template<>
+struct ParamTraits<mozilla::PinchGestureInput>
+{
+  typedef mozilla::PinchGestureInput paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, static_cast<mozilla::InputData>(aParam));
+    WriteParam(aMsg, aParam.mType);
+    WriteParam(aMsg, aParam.mFocusPoint);
+    WriteParam(aMsg, aParam.mLocalFocusPoint);
+    WriteParam(aMsg, aParam.mCurrentSpan);
+    WriteParam(aMsg, aParam.mPreviousSpan);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter, static_cast<mozilla::InputData*>(aResult)) &&
+           ReadParam(aMsg, aIter, &aResult->mType) &&
+           ReadParam(aMsg, aIter, &aResult->mFocusPoint) &&
+           ReadParam(aMsg, aIter, &aResult->mLocalFocusPoint) &&
+           ReadParam(aMsg, aIter, &aResult->mCurrentSpan) &&
+           ReadParam(aMsg, aIter, &aResult->mPreviousSpan);
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::TapGestureInput::TapGestureType>
+  : public ContiguousEnumSerializer<
+             mozilla::TapGestureInput::TapGestureType,
+             mozilla::TapGestureInput::TapGestureType::TAPGESTURE_LONG,
+             mozilla::TapGestureInput::TapGestureType::TAPGESTURE_SENTINEL>
+{};
+
+template<>
+struct ParamTraits<mozilla::TapGestureInput>
+{
+  typedef mozilla::TapGestureInput paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, static_cast<mozilla::InputData>(aParam));
+    WriteParam(aMsg, aParam.mType);
+    WriteParam(aMsg, aParam.mPoint);
+    WriteParam(aMsg, aParam.mLocalPoint);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter, static_cast<mozilla::InputData*>(aResult)) &&
+           ReadParam(aMsg, aIter, &aResult->mType) &&
+           ReadParam(aMsg, aIter, &aResult->mPoint) &&
+           ReadParam(aMsg, aIter, &aResult->mLocalPoint);
+  }
+};
+
+template<>
+struct ParamTraits<mozilla::ScrollWheelInput::ScrollDeltaType>
+  : public ContiguousEnumSerializer<
+             mozilla::ScrollWheelInput::ScrollDeltaType,
+             mozilla::ScrollWheelInput::ScrollDeltaType::SCROLLDELTA_LINE,
+             mozilla::ScrollWheelInput::ScrollDeltaType::SCROLLDELTA_SENTINEL>
+{};
+
+template<>
+struct ParamTraits<mozilla::ScrollWheelInput::ScrollMode>
+  : public ContiguousEnumSerializer<
+             mozilla::ScrollWheelInput::ScrollMode,
+             mozilla::ScrollWheelInput::ScrollMode::SCROLLMODE_INSTANT,
+             mozilla::ScrollWheelInput::ScrollMode::SCROLLMODE_SENTINEL>
+{};
+
+template<>
+struct ParamTraits<mozilla::ScrollWheelInput>
+{
+  typedef mozilla::ScrollWheelInput paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    WriteParam(aMsg, static_cast<mozilla::InputData>(aParam));
+    WriteParam(aMsg, aParam.mDeltaType);
+    WriteParam(aMsg, aParam.mScrollMode);
+    WriteParam(aMsg, aParam.mOrigin);
+    WriteParam(aMsg, aParam.mHandledByAPZ);
+    WriteParam(aMsg, aParam.mDeltaX);
+    WriteParam(aMsg, aParam.mDeltaY);
+    WriteParam(aMsg, aParam.mLocalOrigin);
+    WriteParam(aMsg, aParam.mLineOrPageDeltaX);
+    WriteParam(aMsg, aParam.mLineOrPageDeltaY);
+    WriteParam(aMsg, aParam.mScrollSeriesNumber);
+    WriteParam(aMsg, aParam.mUserDeltaMultiplierX);
+    WriteParam(aMsg, aParam.mUserDeltaMultiplierY);
+    WriteParam(aMsg, aParam.mMayHaveMomentum);
+    WriteParam(aMsg, aParam.mIsMomentum);
+    WriteParam(aMsg, aParam.mAllowToOverrideSystemScrollSpeed);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    return ReadParam(aMsg, aIter, static_cast<mozilla::InputData*>(aResult)) &&
+           ReadParam(aMsg, aIter, &aResult->mDeltaType) &&
+           ReadParam(aMsg, aIter, &aResult->mScrollMode) &&
+           ReadParam(aMsg, aIter, &aResult->mOrigin) &&
+           ReadParam(aMsg, aIter, &aResult->mHandledByAPZ) &&
+           ReadParam(aMsg, aIter, &aResult->mDeltaX) &&
+           ReadParam(aMsg, aIter, &aResult->mDeltaY) &&
+           ReadParam(aMsg, aIter, &aResult->mLocalOrigin) &&
+           ReadParam(aMsg, aIter, &aResult->mLineOrPageDeltaX) &&
+           ReadParam(aMsg, aIter, &aResult->mLineOrPageDeltaY) &&
+           ReadParam(aMsg, aIter, &aResult->mScrollSeriesNumber) &&
+           ReadParam(aMsg, aIter, &aResult->mUserDeltaMultiplierX) &&
+           ReadParam(aMsg, aIter, &aResult->mUserDeltaMultiplierY) &&
+           ReadParam(aMsg, aIter, &aResult->mMayHaveMomentum) &&
+           ReadParam(aMsg, aIter, &aResult->mIsMomentum) &&
+           ReadParam(aMsg, aIter, &aResult->mAllowToOverrideSystemScrollSpeed);
+  }
+};
+
+} // namespace IPC
+
+#endif // nsGUIEventIPC_h__