gecko-dev/xpcom/public/nsProxyEvent.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef __nsProxyEvent_h_
#define __nsProxyEvent_h_
#include "nsISupports.h"
#include "plevent.h"
PR_BEGIN_EXTERN_C
typedef void (*nsProxyMethodHandler)(nsISupports *, void *);
struct nsProxyEvent {
/* must be the first entry in this structure so that
* a nsProxyEvent* is compatible with a PLEvent* */
PLEvent e;
nsIID* iid; /* sanity check, make
sure we have the right interface */
nsISupports *realObject; /* the non-proxy object that this
event is referring to */
PLEventQueue *destQueue; /* destination queue */
nsProxyMethodHandler methodHandler; /* which method was called? */
void *paramBuffer; /* marshalled parameter buffer */
};
nsProxyEvent *nsProxyEventCreate(PLEventQueue *, nsISupports *,
nsProxyMethodHandler, int);
nsresult nsProxyEventPost(PLEventQueue *eventQueue,
nsProxyEvent *event);
/* utility routines */
void* nsProxyEventHandler(PLEvent *self);
void nsProxyEventDestroyHandler(PLEvent *self);
#define NS_DECL_PROXY(_class, _interface) \
public: \
_class(PLEventQueue *, _interface *); \
private: \
PLEventQueue* m_eventQueue; \
_interface *m_realObject; \
public:
#define NS_IMPL_PROXY(_class, _interface)\
_class::_class(PLEventQueue *eventQueue, _interface *realObject) {\
m_eventQueue = eventQueue;\
m_realObject = realObject;\
}\
PR_END_EXTERN_C
#endif