gecko-dev/dom/plugins/NPEventOSX.h

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/* -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 8 -*- */
/* vim: set sw=4 ts=8 et tw=80 ft=cpp : */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Plugin App.
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef mozilla_dom_plugins_NPEventOSX_h
#define mozilla_dom_plugins_NPEventOSX_h 1
#include "npapi.h"
namespace mozilla {
namespace plugins {
struct NPRemoteEvent {
NPCocoaEvent event;
};
} // namespace plugins
} // namespace mozilla
namespace IPC {
template <>
struct ParamTraits<mozilla::plugins::NPRemoteEvent>
{
typedef mozilla::plugins::NPRemoteEvent paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
// Make a non-const copy of aParam so that we can muck with
// its insides for transport
paramType paramCopy;
paramCopy.event = aParam.event;
switch (paramCopy.event.type) {
case NPCocoaEventMouseDown:
case NPCocoaEventMouseUp:
case NPCocoaEventMouseMoved:
case NPCocoaEventMouseEntered:
case NPCocoaEventMouseExited:
case NPCocoaEventMouseDragged:
case NPCocoaEventFocusChanged:
case NPCocoaEventWindowFocusChanged:
case NPCocoaEventScrollWheel:
aMsg->WriteBytes(&paramCopy, sizeof(paramType));
return;
case NPCocoaEventDrawRect:
paramCopy.event.data.draw.context = NULL;
aMsg->WriteBytes(&paramCopy, sizeof(paramType));
return;
case NPCocoaEventFlagsChanged:
paramCopy.event.data.key.characters = NULL;
paramCopy.event.data.key.charactersIgnoringModifiers = NULL;
aMsg->WriteBytes(&paramCopy, sizeof(paramType));
return;
case NPCocoaEventKeyDown:
case NPCocoaEventKeyUp:
paramCopy.event.data.key.characters = NULL;
paramCopy.event.data.key.charactersIgnoringModifiers = NULL;
aMsg->WriteBytes(&paramCopy, sizeof(paramType));
WriteParam(aMsg, aParam.event.data.key.characters);
WriteParam(aMsg, aParam.event.data.key.charactersIgnoringModifiers);
return;
case NPCocoaEventTextInput:
paramCopy.event.data.text.text = NULL;
aMsg->WriteBytes(&paramCopy, sizeof(paramType));
WriteParam(aMsg, aParam.event.data.text.text);
return;
default:
NS_NOTREACHED("Attempted to serialize unknown event type.");
return;
}
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
const char* bytes = 0;
if (!aMsg->ReadBytes(aIter, &bytes, sizeof(paramType))) {
return false;
}
memcpy(aResult, bytes, sizeof(paramType));
switch (aResult->event.type) {
case NPCocoaEventMouseDown:
case NPCocoaEventMouseUp:
case NPCocoaEventMouseMoved:
case NPCocoaEventMouseEntered:
case NPCocoaEventMouseExited:
case NPCocoaEventMouseDragged:
case NPCocoaEventFocusChanged:
case NPCocoaEventWindowFocusChanged:
case NPCocoaEventScrollWheel:
case NPCocoaEventDrawRect:
case NPCocoaEventFlagsChanged:
break;
case NPCocoaEventKeyDown:
case NPCocoaEventKeyUp:
if (!ReadParam(aMsg, aIter, &aResult->event.data.key.characters) ||
!ReadParam(aMsg, aIter, &aResult->event.data.key.charactersIgnoringModifiers)) {
return false;
}
break;
case NPCocoaEventTextInput:
if (!ReadParam(aMsg, aIter, &aResult->event.data.text.text)) {
return false;
}
break;
default:
// ignore any events we don't expect
return false;
}
return true;
}
static void Log(const paramType& aParam, std::wstring* aLog)
{
aLog->append(L"(NPCocoaEvent)");
}
};
} // namespace IPC
#endif // ifndef mozilla_dom_plugins_NPEventOSX_h