gecko/widget/nsGUIEventIPC.h
Ehsan Akhgari 76e8ebc053 Bug 777792 - Initialize the type variable in ParamTraits<nsMouseEvent>::Read; r=cjones
This is mostly to silence compiler warnings. The uninitialized type itself
won't cause problems because failed Read() prevents dispatch.
2012-07-26 15:16:23 -04:00

458 lines
14 KiB
C++

/* -*- 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 "nsDOMTouchEvent.h"
#include "nsGUIEvent.h"
namespace IPC
{
template<>
struct ParamTraits<nsEvent>
{
typedef nsEvent paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, aParam.eventStructType);
WriteParam(aMsg, aParam.message);
WriteParam(aMsg, aParam.refPoint);
WriteParam(aMsg, aParam.time);
WriteParam(aMsg, aParam.flags);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
return ReadParam(aMsg, aIter, &aResult->eventStructType) &&
ReadParam(aMsg, aIter, &aResult->message) &&
ReadParam(aMsg, aIter, &aResult->refPoint) &&
ReadParam(aMsg, aIter, &aResult->time) &&
ReadParam(aMsg, aIter, &aResult->flags);
}
};
template<>
struct ParamTraits<nsGUIEvent>
{
typedef nsGUIEvent paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, static_cast<nsEvent>(aParam));
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
return ReadParam(aMsg, aIter, static_cast<nsEvent*>(aResult));
}
};
template<>
struct ParamTraits<nsInputEvent>
{
typedef nsInputEvent paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, static_cast<nsGUIEvent>(aParam));
WriteParam(aMsg, aParam.modifiers);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
return ReadParam(aMsg, aIter, static_cast<nsGUIEvent*>(aResult)) &&
ReadParam(aMsg, aIter, &aResult->modifiers);
}
};
template<>
struct ParamTraits<nsMouseEvent_base>
{
typedef nsMouseEvent_base paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, static_cast<nsInputEvent>(aParam));
WriteParam(aMsg, aParam.button);
WriteParam(aMsg, aParam.buttons);
WriteParam(aMsg, aParam.pressure);
WriteParam(aMsg, aParam.inputSource);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
return ReadParam(aMsg, aIter, static_cast<nsInputEvent*>(aResult)) &&
ReadParam(aMsg, aIter, &aResult->button) &&
ReadParam(aMsg, aIter, &aResult->buttons) &&
ReadParam(aMsg, aIter, &aResult->pressure) &&
ReadParam(aMsg, aIter, &aResult->inputSource);
}
};
template<>
struct ParamTraits<nsMouseScrollEvent>
{
typedef nsMouseScrollEvent paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, static_cast<nsMouseEvent_base>(aParam));
WriteParam(aMsg, aParam.scrollFlags);
WriteParam(aMsg, aParam.delta);
WriteParam(aMsg, aParam.scrollOverflow);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
return ReadParam(aMsg, aIter, static_cast<nsMouseEvent_base*>(aResult)) &&
ReadParam(aMsg, aIter, &aResult->scrollFlags) &&
ReadParam(aMsg, aIter, &aResult->delta) &&
ReadParam(aMsg, aIter, &aResult->scrollOverflow);
}
};
template<>
struct ParamTraits<nsMouseEvent>
{
typedef nsMouseEvent paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, static_cast<nsMouseEvent_base>(aParam));
WriteParam(aMsg, aParam.ignoreRootScrollFrame);
WriteParam(aMsg, (PRUint8) aParam.reason);
WriteParam(aMsg, (PRUint8) aParam.context);
WriteParam(aMsg, (PRUint8) aParam.exit);
WriteParam(aMsg, aParam.clickCount);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
bool rv;
PRUint8 reason = 0, context = 0, exit = 0;
rv = ReadParam(aMsg, aIter, static_cast<nsMouseEvent_base*>(aResult)) &&
ReadParam(aMsg, aIter, &aResult->ignoreRootScrollFrame) &&
ReadParam(aMsg, aIter, &reason) &&
ReadParam(aMsg, aIter, &context) &&
ReadParam(aMsg, aIter, &exit) &&
ReadParam(aMsg, aIter, &aResult->clickCount);
aResult->reason = static_cast<nsMouseEvent::reasonType>(reason);
aResult->context = static_cast<nsMouseEvent::contextType>(context);
aResult->exit = static_cast<nsMouseEvent::exitType>(exit);
return rv;
}
};
template<>
struct ParamTraits<nsTouchEvent>
{
typedef nsTouchEvent paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, static_cast<const nsInputEvent&>(aParam));
// Sigh, nsDOMTouch bites us again! We want to be able to do
// WriteParam(aMsg, aParam.touches);
const nsTArray<nsCOMPtr<nsIDOMTouch> >& touches = aParam.touches;
WriteParam(aMsg, touches.Length());
for (uint32_t i = 0; i < touches.Length(); ++i) {
nsDOMTouch* touch = static_cast<nsDOMTouch*>(touches[i].get());
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, void** aIter, paramType* aResult)
{
uint32_t numTouches;
if (!ReadParam(aMsg, aIter, static_cast<nsInputEvent*>(aResult)) ||
!ReadParam(aMsg, aIter, &numTouches)) {
return false;
}
for (uint32_t i = 0; i < numTouches; ++i) {
PRInt32 identifier;
nsIntPoint refPoint;
nsIntPoint 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->touches.AppendElement(
new nsDOMTouch(identifier, refPoint, radius, rotationAngle, force));
}
return true;
}
};
template<>
struct ParamTraits<nsKeyEvent>
{
typedef nsKeyEvent paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, static_cast<nsInputEvent>(aParam));
WriteParam(aMsg, aParam.keyCode);
WriteParam(aMsg, aParam.charCode);
WriteParam(aMsg, aParam.isChar);
WriteParam(aMsg, aParam.location);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
return ReadParam(aMsg, aIter, static_cast<nsInputEvent*>(aResult)) &&
ReadParam(aMsg, aIter, &aResult->keyCode) &&
ReadParam(aMsg, aIter, &aResult->charCode) &&
ReadParam(aMsg, aIter, &aResult->isChar) &&
ReadParam(aMsg, aIter, &aResult->location);
}
};
template<>
struct ParamTraits<nsTextRangeStyle>
{
typedef nsTextRangeStyle 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, void** 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<nsTextRange>
{
typedef nsTextRange paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, aParam.mStartOffset);
WriteParam(aMsg, aParam.mEndOffset);
WriteParam(aMsg, aParam.mRangeType);
WriteParam(aMsg, aParam.mRangeStyle);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
return ReadParam(aMsg, aIter, &aResult->mStartOffset) &&
ReadParam(aMsg, aIter, &aResult->mEndOffset) &&
ReadParam(aMsg, aIter, &aResult->mRangeType) &&
ReadParam(aMsg, aIter, &aResult->mRangeStyle);
}
};
template<>
struct ParamTraits<nsTextEvent>
{
typedef nsTextEvent paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, static_cast<nsInputEvent>(aParam));
WriteParam(aMsg, aParam.seqno);
WriteParam(aMsg, aParam.theText);
WriteParam(aMsg, aParam.isChar);
WriteParam(aMsg, aParam.rangeCount);
for (PRUint32 index = 0; index < aParam.rangeCount; index++)
WriteParam(aMsg, aParam.rangeArray[index]);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
if (!ReadParam(aMsg, aIter, static_cast<nsInputEvent*>(aResult)) ||
!ReadParam(aMsg, aIter, &aResult->seqno) ||
!ReadParam(aMsg, aIter, &aResult->theText) ||
!ReadParam(aMsg, aIter, &aResult->isChar) ||
!ReadParam(aMsg, aIter, &aResult->rangeCount))
return false;
if (!aResult->rangeCount) {
aResult->rangeArray = nsnull;
return true;
}
aResult->rangeArray = new nsTextRange[aResult->rangeCount];
if (!aResult->rangeArray)
return false;
for (PRUint32 index = 0; index < aResult->rangeCount; index++)
if (!ReadParam(aMsg, aIter, &aResult->rangeArray[index])) {
Free(*aResult);
return false;
}
return true;
}
static void Free(const paramType& aResult)
{
if (aResult.rangeArray)
delete [] aResult.rangeArray;
}
};
template<>
struct ParamTraits<nsCompositionEvent>
{
typedef nsCompositionEvent paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, static_cast<nsGUIEvent>(aParam));
WriteParam(aMsg, aParam.seqno);
WriteParam(aMsg, aParam.data);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
return ReadParam(aMsg, aIter, static_cast<nsGUIEvent*>(aResult)) &&
ReadParam(aMsg, aIter, &aResult->seqno) &&
ReadParam(aMsg, aIter, &aResult->data);
}
};
template<>
struct ParamTraits<nsQueryContentEvent>
{
typedef nsQueryContentEvent paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, static_cast<nsGUIEvent>(aParam));
WriteParam(aMsg, aParam.mSucceeded);
WriteParam(aMsg, aParam.mInput.mOffset);
WriteParam(aMsg, aParam.mInput.mLength);
WriteParam(aMsg, *aParam.mInput.mMouseScrollEvent);
WriteParam(aMsg, aParam.mReply.mOffset);
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.mLineHeight);
WriteParam(aMsg, aParam.mReply.mPageHeight);
WriteParam(aMsg, aParam.mReply.mPageWidth);
WriteParam(aMsg, aParam.mReply.mComputedScrollAmount);
WriteParam(aMsg, aParam.mReply.mComputedScrollAction);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
aResult->mWasAsync = true;
return ReadParam(aMsg, aIter, static_cast<nsGUIEvent*>(aResult)) &&
ReadParam(aMsg, aIter, &aResult->mSucceeded) &&
ReadParam(aMsg, aIter, &aResult->mInput.mOffset) &&
ReadParam(aMsg, aIter, &aResult->mInput.mLength) &&
ReadParam(aMsg, aIter, aResult->mInput.mMouseScrollEvent) &&
ReadParam(aMsg, aIter, &aResult->mReply.mOffset) &&
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.mLineHeight) &&
ReadParam(aMsg, aIter, &aResult->mReply.mPageHeight) &&
ReadParam(aMsg, aIter, &aResult->mReply.mPageWidth) &&
ReadParam(aMsg, aIter, &aResult->mReply.mComputedScrollAmount) &&
ReadParam(aMsg, aIter, &aResult->mReply.mComputedScrollAction);
}
};
template<>
struct ParamTraits<nsSelectionEvent>
{
typedef nsSelectionEvent paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, static_cast<nsGUIEvent>(aParam));
WriteParam(aMsg, aParam.seqno);
WriteParam(aMsg, aParam.mOffset);
WriteParam(aMsg, aParam.mLength);
WriteParam(aMsg, aParam.mReversed);
WriteParam(aMsg, aParam.mExpandToClusterBoundary);
WriteParam(aMsg, aParam.mSucceeded);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
return ReadParam(aMsg, aIter, static_cast<nsGUIEvent*>(aResult)) &&
ReadParam(aMsg, aIter, &aResult->seqno) &&
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);
}
};
template<>
struct ParamTraits<nsIMEUpdatePreference>
{
typedef nsIMEUpdatePreference paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, aParam.mWantUpdates);
WriteParam(aMsg, aParam.mWantHints);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
return ReadParam(aMsg, aIter, &aResult->mWantUpdates) &&
ReadParam(aMsg, aIter, &aResult->mWantHints);
}
};
template<>
struct ParamTraits<nsPluginEvent>
{
typedef nsPluginEvent paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, static_cast<nsGUIEvent>(aParam));
WriteParam(aMsg, aParam.retargetToFocusedDocument);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
return ReadParam(aMsg, aIter, static_cast<nsGUIEvent*>(aResult)) &&
ReadParam(aMsg, aIter, &aResult->retargetToFocusedDocument);
}
};
} // namespace IPC
#endif // nsGUIEventIPC_h__