widget/nsGUIEventIPC.h
author Erica Wright <ewright@mozilla.com>
Fri, 28 Dec 2018 04:26:00 +0000
changeset 512272 7e75579b27d017c48a83e04db1588f7232cc750a
parent 508163 6f3709b3878117466168c40affa7bca0b60cf75b
child 516900 69c8787c67d63de23bfdc058d634934d3e1601b5
permissions -rw-r--r--
Bug 1512166 - Show blocked labels by default, hide when there's an exception. r=nhnt11 In the control panel, show the blocking category labels for tracking protection and cookie restrictions. Hide the label if the user has set an exception for that page. Differential Revision: https://phabricator.services.mozilla.com/D15212

/* -*- 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 "mozilla/WheelHandlingHelper.h"  // for WheelDeltaAdjustmentStrategy
#include "mozilla/dom/Selection.h"
#include "InputData.h"

namespace IPC {

template <>
struct ParamTraits<mozilla::EventMessage>
    : public ContiguousEnumSerializer<
          mozilla::EventMessage, mozilla::EventMessage(0),
          mozilla::EventMessage::eEventMessage_MaxValue> {};

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) {
    // Mark the event as posted to another process.
    const_cast<mozilla::WidgetEvent&>(aParam).MarkAsPostedToRemoteProcess();

    WriteParam(aMsg, static_cast<mozilla::EventClassIDType>(aParam.mClass));
    WriteParam(aMsg, aParam.mMessage);
    WriteParam(aMsg, aParam.mRefPoint);
    WriteParam(aMsg, aParam.mFocusSequenceNumber);
    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->mFocusSequenceNumber) &&
               ReadParam(aMsg, aIter, &aResult->mTime) &&
               ReadParam(aMsg, aIter, &aResult->mTimeStamp) &&
               ReadParam(aMsg, aIter, &aResult->mFlags);
    aResult->mClass = static_cast<mozilla::EventClassID>(eventClassID);
    if (ret) {
      // Reset cross process dispatching state here because the event has not
      // been dispatched to different process from current process.
      aResult->ResetCrossProcessDispatchingState();
    }
    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<const 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<const 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<const 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<const 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);
    WriteParam(aMsg, aParam.mDeltaValuesHorizontalizedForDefaultHandler);
  }

  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) &&
        ReadParam(aMsg, aIter,
                  &aResult->mDeltaValuesHorizontalizedForDefaultHandler);
    aResult->mScrollType =
        static_cast<mozilla::WidgetWheelEvent::ScrollType>(scrollType);
    return rv;
  }
};

template <>
struct ParamTraits<mozilla::WidgetPointerHelper> {
  typedef mozilla::WidgetPointerHelper paramType;

  static void Write(Message* aMsg, const paramType& aParam) {
    WriteParam(aMsg, aParam.pointerId);
    WriteParam(aMsg, aParam.tiltX);
    WriteParam(aMsg, aParam.tiltY);
    WriteParam(aMsg, aParam.twist);
    WriteParam(aMsg, aParam.tangentialPressure);
    // We don't serialize convertToPointer since it's temporarily variable and
    // should be reset to default.
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter,
                   paramType* aResult) {
    bool rv;
    rv = ReadParam(aMsg, aIter, &aResult->pointerId) &&
         ReadParam(aMsg, aIter, &aResult->tiltX) &&
         ReadParam(aMsg, aIter, &aResult->tiltY) &&
         ReadParam(aMsg, aIter, &aResult->twist) &&
         ReadParam(aMsg, aIter, &aResult->tangentialPressure);
    return rv;
  }
};

template <>
struct ParamTraits<mozilla::WidgetMouseEvent> {
  typedef mozilla::WidgetMouseEvent paramType;

  static void Write(Message* aMsg, const paramType& aParam) {
    WriteParam(aMsg, static_cast<const mozilla::WidgetMouseEventBase&>(aParam));
    WriteParam(aMsg, static_cast<const mozilla::WidgetPointerHelper&>(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);
  }

  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,
                   static_cast<mozilla::WidgetPointerHelper*>(aResult)) &&
         ReadParam(aMsg, aIter, &aResult->mIgnoreRootScrollFrame) &&
         ReadParam(aMsg, aIter, &reason) &&
         ReadParam(aMsg, aIter, &contextMenuTrigger) &&
         ReadParam(aMsg, aIter, &exitFrom) &&
         ReadParam(aMsg, aIter, &aResult->mClickCount);
    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<const 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<const mozilla::WidgetMouseEvent&>(aParam));
    WriteParam(aMsg, aParam.mWidth);
    WriteParam(aMsg, aParam.mHeight);
    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->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::ShortcutKeyCandidate> {
  typedef mozilla::ShortcutKeyCandidate paramType;

  static void Write(Message* aMsg, const paramType& aParam) {
    WriteParam(aMsg, aParam.mCharCode);
    WriteParam(aMsg, aParam.mIgnoreShift);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter,
                   paramType* aResult) {
    return ReadParam(aMsg, aIter, &aResult->mCharCode) &&
           ReadParam(aMsg, aIter, &aResult->mIgnoreShift);
  }
};

template <>
struct ParamTraits<mozilla::WidgetKeyboardEvent> {
  typedef mozilla::WidgetKeyboardEvent paramType;

  static void Write(Message* aMsg, const paramType& aParam) {
    WriteParam(aMsg, static_cast<const 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.mIsRepeat);
    WriteParam(aMsg, aParam.mLocation);
    WriteParam(aMsg, aParam.mUniqueId);
    WriteParam(aMsg, aParam.mIsSynthesizedByTIP);
    WriteParam(aMsg, aParam.mMaybeSkippableInRemoteProcess);
#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.

    WriteParam(aMsg, aParam.mEditCommandsForSingleLineEditor);
    WriteParam(aMsg, aParam.mEditCommandsForMultiLineEditor);
    WriteParam(aMsg, aParam.mEditCommandsForRichTextEditor);
    WriteParam(aMsg, aParam.mEditCommandsForSingleLineEditorInitialized);
    WriteParam(aMsg, aParam.mEditCommandsForMultiLineEditorInitialized);
    WriteParam(aMsg, aParam.mEditCommandsForRichTextEditorInitialized);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter,
                   paramType* aResult) {
    mozilla::KeyNameIndexType keyNameIndex = 0;
    mozilla::CodeNameIndexType codeNameIndex = 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->mIsRepeat) &&
        ReadParam(aMsg, aIter, &aResult->mLocation) &&
        ReadParam(aMsg, aIter, &aResult->mUniqueId) &&
        ReadParam(aMsg, aIter, &aResult->mIsSynthesizedByTIP) &&
        ReadParam(aMsg, aIter, &aResult->mMaybeSkippableInRemoteProcess) &&
#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
        ReadParam(aMsg, aIter, &aResult->mEditCommandsForSingleLineEditor) &&
        ReadParam(aMsg, aIter, &aResult->mEditCommandsForMultiLineEditor) &&
        ReadParam(aMsg, aIter, &aResult->mEditCommandsForRichTextEditor) &&
        ReadParam(aMsg, aIter,
                  &aResult->mEditCommandsForSingleLineEditorInitialized) &&
        ReadParam(aMsg, aIter,
                  &aResult->mEditCommandsForMultiLineEditorInitialized) &&
        ReadParam(aMsg, aIter,
                  &aResult->mEditCommandsForRichTextEditorInitialized)) {
      aResult->mKeyNameIndex = static_cast<mozilla::KeyNameIndex>(keyNameIndex);
      aResult->mCodeNameIndex =
          static_cast<mozilla::CodeNameIndex>(codeNameIndex);
      aResult->mNativeKeyEvent = nullptr;
      return true;
    }
    return false;
  }
};

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<const 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<const 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<const 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<mozilla::widget::IMENotificationRequests> {
  typedef mozilla::widget::IMENotificationRequests 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::widget::IMEState::Enabled>
    : ContiguousEnumSerializer<mozilla::widget::IMEState::Enabled,
                               mozilla::widget::IMEState::Enabled::DISABLED,
                               mozilla::widget::IMEState::Enabled::UNKNOWN> {};

template <>
struct ParamTraits<mozilla::widget::IMEState::Open>
    : ContiguousEnumSerializerInclusive<
          mozilla::widget::IMEState::Open,
          mozilla::widget::IMEState::Open::OPEN_STATE_NOT_SUPPORTED,
          mozilla::widget::IMEState::Open::CLOSED> {};

template <>
struct ParamTraits<mozilla::widget::IMEState> {
  typedef mozilla::widget::IMEState paramType;

  static void Write(Message* aMsg, const paramType& aParam) {
    WriteParam(aMsg, aParam.mEnabled);
    WriteParam(aMsg, aParam.mOpen);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter,
                   paramType* aResult) {
    return ReadParam(aMsg, aIter, &aResult->mEnabled) &&
           ReadParam(aMsg, aIter, &aResult->mOpen);
  }
};

template <>
struct ParamTraits<mozilla::widget::InputContext::Origin>
    : ContiguousEnumSerializerInclusive<
          mozilla::widget::InputContext::Origin,
          mozilla::widget::InputContext::Origin::ORIGIN_MAIN,
          mozilla::widget::InputContext::Origin::ORIGIN_CONTENT> {};

template <>
struct ParamTraits<mozilla::widget::InputContext> {
  typedef mozilla::widget::InputContext paramType;

  static void Write(Message* aMsg, const paramType& aParam) {
    WriteParam(aMsg, aParam.mIMEState);
    WriteParam(aMsg, aParam.mHTMLInputType);
    WriteParam(aMsg, aParam.mHTMLInputInputmode);
    WriteParam(aMsg, aParam.mActionHint);
    WriteParam(aMsg, aParam.mOrigin);
    WriteParam(aMsg, aParam.mMayBeIMEUnaware);
    WriteParam(aMsg, aParam.mHasHandledUserInput);
    WriteParam(aMsg, aParam.mInPrivateBrowsing);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter,
                   paramType* aResult) {
    return ReadParam(aMsg, aIter, &aResult->mIMEState) &&
           ReadParam(aMsg, aIter, &aResult->mHTMLInputType) &&
           ReadParam(aMsg, aIter, &aResult->mHTMLInputInputmode) &&
           ReadParam(aMsg, aIter, &aResult->mActionHint) &&
           ReadParam(aMsg, aIter, &aResult->mOrigin) &&
           ReadParam(aMsg, aIter, &aResult->mMayBeIMEUnaware) &&
           ReadParam(aMsg, aIter, &aResult->mHasHandledUserInput) &&
           ReadParam(aMsg, aIter, &aResult->mInPrivateBrowsing);
  }
};

template <>
struct ParamTraits<mozilla::widget::InputContextAction::Cause>
    : ContiguousEnumSerializerInclusive<
          mozilla::widget::InputContextAction::Cause,
          mozilla::widget::InputContextAction::Cause::CAUSE_UNKNOWN,
          mozilla::widget::InputContextAction::Cause::
              CAUSE_UNKNOWN_DURING_KEYBOARD_INPUT> {};

template <>
struct ParamTraits<mozilla::widget::InputContextAction::FocusChange>
    : ContiguousEnumSerializerInclusive<
          mozilla::widget::InputContextAction::FocusChange,
          mozilla::widget::InputContextAction::FocusChange::FOCUS_NOT_CHANGED,
          mozilla::widget::InputContextAction::FocusChange::WIDGET_CREATED> {};

template <>
struct ParamTraits<mozilla::widget::InputContextAction> {
  typedef mozilla::widget::InputContextAction paramType;

  static void Write(Message* aMsg, const paramType& aParam) {
    WriteParam(aMsg, aParam.mCause);
    WriteParam(aMsg, aParam.mFocusChange);
  }

  static bool Read(const Message* aMsg, PickleIterator* aIter,
                   paramType* aResult) {
    return ReadParam(aMsg, aIter, &aResult->mCause) &&
           ReadParam(aMsg, aIter, &aResult->mFocusChange);
  }
};

template <>
struct ParamTraits<mozilla::WidgetPluginEvent> {
  typedef mozilla::WidgetPluginEvent paramType;

  static void Write(Message* aMsg, const paramType& aParam) {
    WriteParam(aMsg, static_cast<const 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 ContiguousEnumSerializerInclusive<
          mozilla::InputType, mozilla::InputType::MULTITOUCH_INPUT,
          mozilla::kHighestInputType> {};

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);
    WriteParam(aMsg, aParam.mFocusSequenceNumber);
  }

  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) &&
           ReadParam(aMsg, aIter, &aResult->mFocusSequenceNumber);
  }
};

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 ContiguousEnumSerializerInclusive<
          mozilla::MultiTouchInput::MultiTouchType,
          mozilla::MultiTouchInput::MultiTouchType::MULTITOUCH_START,
          mozilla::MultiTouchInput::sHighestMultiTouchType> {};

template <>
struct ParamTraits<mozilla::MultiTouchInput> {
  typedef mozilla::MultiTouchInput paramType;

  static void Write(Message* aMsg, const paramType& aParam) {
    WriteParam(aMsg, static_cast<const 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 ContiguousEnumSerializerInclusive<
          mozilla::MouseInput::MouseType,
          mozilla::MouseInput::MouseType::MOUSE_NONE,
          mozilla::MouseInput::sHighestMouseType> {};

template <>
struct ParamTraits<mozilla::MouseInput::ButtonType>
    : public ContiguousEnumSerializerInclusive<
          mozilla::MouseInput::ButtonType,
          mozilla::MouseInput::ButtonType::LEFT_BUTTON,
          mozilla::MouseInput::sHighestButtonType> {};

template <>
struct ParamTraits<mozilla::MouseInput> {
  typedef mozilla::MouseInput paramType;

  static void Write(Message* aMsg, const paramType& aParam) {
    WriteParam(aMsg, static_cast<const 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 ContiguousEnumSerializerInclusive<
          mozilla::PanGestureInput::PanGestureType,
          mozilla::PanGestureInput::PanGestureType::PANGESTURE_MAYSTART,
          mozilla::PanGestureInput::sHighestPanGestureType> {};

template <>
struct ParamTraits<mozilla::PanGestureInput> {
  typedef mozilla::PanGestureInput paramType;

  static void Write(Message* aMsg, const paramType& aParam) {
    WriteParam(aMsg, static_cast<const 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);
    WriteParam(aMsg, aParam.mOverscrollBehaviorAllowsSwipe);
  }

  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) &&
           ReadParam(aMsg, aIter, &aResult->mOverscrollBehaviorAllowsSwipe);
  }
};

template <>
struct ParamTraits<mozilla::PinchGestureInput::PinchGestureType>
    : public ContiguousEnumSerializerInclusive<
          mozilla::PinchGestureInput::PinchGestureType,
          mozilla::PinchGestureInput::PinchGestureType::PINCHGESTURE_START,
          mozilla::PinchGestureInput::sHighestPinchGestureType> {};

template <>
struct ParamTraits<mozilla::PinchGestureInput> {
  typedef mozilla::PinchGestureInput paramType;

  static void Write(Message* aMsg, const paramType& aParam) {
    WriteParam(aMsg, static_cast<const 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 ContiguousEnumSerializerInclusive<
          mozilla::TapGestureInput::TapGestureType,
          mozilla::TapGestureInput::TapGestureType::TAPGESTURE_LONG,
          mozilla::TapGestureInput::sHighestTapGestureType> {};

template <>
struct ParamTraits<mozilla::TapGestureInput> {
  typedef mozilla::TapGestureInput paramType;

  static void Write(Message* aMsg, const paramType& aParam) {
    WriteParam(aMsg, static_cast<const 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 ContiguousEnumSerializerInclusive<
          mozilla::ScrollWheelInput::ScrollDeltaType,
          mozilla::ScrollWheelInput::ScrollDeltaType::SCROLLDELTA_LINE,
          mozilla::ScrollWheelInput::sHighestScrollDeltaType> {};

template <>
struct ParamTraits<mozilla::ScrollWheelInput::ScrollMode>
    : public ContiguousEnumSerializerInclusive<
          mozilla::ScrollWheelInput::ScrollMode,
          mozilla::ScrollWheelInput::ScrollMode::SCROLLMODE_INSTANT,
          mozilla::ScrollWheelInput::sHighestScrollMode> {};

template <>
struct ParamTraits<mozilla::WheelDeltaAdjustmentStrategy>
    : public ContiguousEnumSerializer<
          mozilla::WheelDeltaAdjustmentStrategy,
          mozilla::WheelDeltaAdjustmentStrategy(0),
          mozilla::WheelDeltaAdjustmentStrategy::eSentinel> {};

template <>
struct ParamTraits<mozilla::ScrollWheelInput> {
  typedef mozilla::ScrollWheelInput paramType;

  static void Write(Message* aMsg, const paramType& aParam) {
    WriteParam(aMsg, static_cast<const 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);
    WriteParam(aMsg, aParam.mWheelDeltaAdjustmentStrategy);
  }

  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) &&
           ReadParam(aMsg, aIter, &aResult->mWheelDeltaAdjustmentStrategy);
  }
};

template <>
struct ParamTraits<mozilla::KeyboardInput::KeyboardEventType>
    : public ContiguousEnumSerializer<
          mozilla::KeyboardInput::KeyboardEventType,
          mozilla::KeyboardInput::KeyboardEventType::KEY_DOWN,
          mozilla::KeyboardInput::KeyboardEventType::KEY_SENTINEL> {};

template <>
struct ParamTraits<mozilla::KeyboardInput> {
  typedef mozilla::KeyboardInput paramType;

  static void Write(Message* aMsg, const paramType& aParam) {
    WriteParam(aMsg, static_cast<const mozilla::InputData&>(aParam));
    WriteParam(aMsg, aParam.mType);
    WriteParam(aMsg, aParam.mKeyCode);
    WriteParam(aMsg, aParam.mCharCode);
    WriteParam(aMsg, aParam.mShortcutCandidates);
    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->mKeyCode) &&
           ReadParam(aMsg, aIter, &aResult->mCharCode) &&
           ReadParam(aMsg, aIter, &aResult->mShortcutCandidates) &&
           ReadParam(aMsg, aIter, &aResult->mHandledByAPZ);
  }
};

}  // namespace IPC

#endif  // nsGUIEventIPC_h__