1998-10-19 21:48:55 +04:00
|
|
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
2001-09-29 00:14:13 +04:00
|
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
|
|
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
|
1998-10-19 21:48:55 +04:00
|
|
|
*
|
2001-09-29 00:14:13 +04:00
|
|
|
* The contents of this file are subject to the Netscape 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/NPL/
|
|
|
|
*
|
|
|
|
* 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.
|
1998-10-19 21:48:55 +04:00
|
|
|
*
|
1999-11-06 06:43:54 +03:00
|
|
|
* The Original Code is mozilla.org code.
|
|
|
|
*
|
2001-09-29 00:14:13 +04:00
|
|
|
* The Initial Developer of the Original Code is
|
|
|
|
* Netscape Communications Corporation.
|
|
|
|
* Portions created by the Initial Developer are Copyright (C) 1998
|
|
|
|
* 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 NPL, 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 NPL, the GPL or the LGPL.
|
1999-11-06 06:43:54 +03:00
|
|
|
*
|
2001-09-29 00:14:13 +04:00
|
|
|
* ***** END LICENSE BLOCK ***** */
|
1998-10-19 21:48:55 +04:00
|
|
|
|
|
|
|
#ifndef nsAgg_h___
|
|
|
|
#define nsAgg_h___
|
|
|
|
|
|
|
|
#include "nsISupports.h"
|
|
|
|
|
|
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
|
|
// Put this in your class's declaration:
|
|
|
|
#define NS_DECL_AGGREGATED \
|
|
|
|
NS_DECL_ISUPPORTS \
|
|
|
|
\
|
2000-01-11 02:14:32 +03:00
|
|
|
public: \
|
1998-10-19 21:48:55 +04:00
|
|
|
\
|
|
|
|
/* You must implement this operation instead of the nsISupports */ \
|
|
|
|
/* methods if you inherit from nsAggregated. */ \
|
|
|
|
NS_IMETHOD \
|
|
|
|
AggregatedQueryInterface(const nsIID& aIID, void** aInstancePtr); \
|
|
|
|
\
|
1999-08-19 09:36:30 +04:00
|
|
|
protected: \
|
|
|
|
\
|
1998-10-19 21:48:55 +04:00
|
|
|
class Internal : public nsISupports { \
|
|
|
|
public: \
|
|
|
|
\
|
|
|
|
Internal() {} \
|
|
|
|
\
|
|
|
|
NS_IMETHOD QueryInterface(const nsIID& aIID, \
|
|
|
|
void** aInstancePtr); \
|
|
|
|
NS_IMETHOD_(nsrefcnt) AddRef(void); \
|
|
|
|
NS_IMETHOD_(nsrefcnt) Release(void); \
|
|
|
|
\
|
|
|
|
}; \
|
|
|
|
\
|
|
|
|
friend class Internal; \
|
|
|
|
\
|
|
|
|
nsISupports* fOuter; \
|
|
|
|
Internal fAggregated; \
|
|
|
|
\
|
|
|
|
nsISupports* GetInner(void) { return &fAggregated; } \
|
|
|
|
\
|
|
|
|
public: \
|
|
|
|
|
|
|
|
|
|
|
|
// Put this in your class's constructor:
|
|
|
|
#define NS_INIT_AGGREGATED(outer) \
|
1999-01-26 12:46:33 +03:00
|
|
|
PR_BEGIN_MACRO \
|
1998-10-19 21:48:55 +04:00
|
|
|
NS_INIT_REFCNT(); \
|
1999-08-19 09:36:30 +04:00
|
|
|
fOuter = outer ? outer : &fAggregated; \
|
1999-01-26 12:46:33 +03:00
|
|
|
PR_END_MACRO
|
1998-10-19 21:48:55 +04:00
|
|
|
|
|
|
|
|
|
|
|
// Put this in your class's implementation file:
|
|
|
|
#define NS_IMPL_AGGREGATED(_class) \
|
|
|
|
NS_IMETHODIMP \
|
|
|
|
_class::QueryInterface(const nsIID& aIID, void** aInstancePtr) \
|
|
|
|
{ \
|
1999-08-19 09:36:30 +04:00
|
|
|
return fOuter->QueryInterface(aIID, aInstancePtr); \
|
1998-10-19 21:48:55 +04:00
|
|
|
} \
|
|
|
|
\
|
|
|
|
NS_IMETHODIMP_(nsrefcnt) \
|
|
|
|
_class::AddRef(void) \
|
|
|
|
{ \
|
1999-08-19 09:36:30 +04:00
|
|
|
return fOuter->AddRef(); \
|
1998-10-19 21:48:55 +04:00
|
|
|
} \
|
|
|
|
\
|
|
|
|
NS_IMETHODIMP_(nsrefcnt) \
|
|
|
|
_class::Release(void) \
|
|
|
|
{ \
|
2001-07-31 23:05:34 +04:00
|
|
|
return fOuter->Release(); \
|
1998-10-19 21:48:55 +04:00
|
|
|
} \
|
|
|
|
\
|
|
|
|
NS_IMETHODIMP \
|
|
|
|
_class::Internal::QueryInterface(const nsIID& aIID, void** aInstancePtr) \
|
|
|
|
{ \
|
|
|
|
_class* agg = (_class*)((char*)(this) - offsetof(_class, fAggregated)); \
|
|
|
|
return agg->AggregatedQueryInterface(aIID, aInstancePtr); \
|
|
|
|
} \
|
|
|
|
\
|
|
|
|
NS_IMETHODIMP_(nsrefcnt) \
|
|
|
|
_class::Internal::AddRef(void) \
|
|
|
|
{ \
|
|
|
|
_class* agg = (_class*)((char*)(this) - offsetof(_class, fAggregated)); \
|
1999-10-08 01:50:20 +04:00
|
|
|
NS_PRECONDITION(PRInt32(agg->mRefCnt) >= 0, "illegal refcnt"); \
|
|
|
|
++agg->mRefCnt; \
|
1999-10-09 00:41:19 +04:00
|
|
|
NS_LOG_ADDREF(this, agg->mRefCnt, #_class, sizeof(*this)); \
|
1999-10-08 01:50:20 +04:00
|
|
|
return agg->mRefCnt; \
|
1998-10-19 21:48:55 +04:00
|
|
|
} \
|
|
|
|
\
|
|
|
|
NS_IMETHODIMP_(nsrefcnt) \
|
|
|
|
_class::Internal::Release(void) \
|
|
|
|
{ \
|
|
|
|
_class* agg = (_class*)((char*)(this) - offsetof(_class, fAggregated)); \
|
1999-10-08 01:50:20 +04:00
|
|
|
NS_PRECONDITION(0 != agg->mRefCnt, "dup release"); \
|
|
|
|
--agg->mRefCnt; \
|
|
|
|
NS_LOG_RELEASE(this, agg->mRefCnt, #_class); \
|
|
|
|
if (agg->mRefCnt == 0) { \
|
1999-10-12 06:10:08 +04:00
|
|
|
agg->mRefCnt = 1; /* stabilize */ \
|
1999-10-08 01:50:20 +04:00
|
|
|
NS_DELETEXPCOM(agg); \
|
1998-10-19 21:48:55 +04:00
|
|
|
return 0; \
|
|
|
|
} \
|
|
|
|
return agg->mRefCnt; \
|
|
|
|
} \
|
|
|
|
|
2000-01-11 02:14:32 +03:00
|
|
|
// for use with QI macros in nsISupportsUtils.h:
|
|
|
|
|
2001-07-31 23:05:34 +04:00
|
|
|
#define NS_IMPL_AGGREGATED_QUERY_HEAD(_class) \
|
|
|
|
NS_IMETHODIMP \
|
|
|
|
_class::AggregatedQueryInterface(REFNSIID aIID, void** aInstancePtr) \
|
|
|
|
{ \
|
|
|
|
NS_ASSERTION(aInstancePtr, \
|
|
|
|
"AggregatedQueryInterface requires a non-NULL result ptr!"); \
|
|
|
|
if ( !aInstancePtr ) \
|
|
|
|
return NS_ERROR_NULL_POINTER; \
|
2000-01-11 02:14:32 +03:00
|
|
|
nsISupports* foundInterface;
|
|
|
|
|
1998-10-19 21:48:55 +04:00
|
|
|
#endif /* nsAgg_h___ */
|