gecko-dev/xpcom/glue/nsCOMPtr.cpp

55 строки
1.5 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* 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.
*/
#include "nsCOMPtr.h"
void
nsCOMPtr_base::assign_with_AddRef( nsISupports* rawPtr )
{
if ( rawPtr )
NSCAP_ADDREF(rawPtr);
if ( mRawPtr )
NSCAP_RELEASE(mRawPtr);
mRawPtr = rawPtr;
}
void
nsCOMPtr_base::assign_with_QueryInterface( nsISupports* rawPtr, const nsIID& iid, nsresult* result )
{
nsresult status = NS_OK;
if ( !rawPtr || !NS_SUCCEEDED( status = rawPtr->QueryInterface(iid, NSCAP_REINTERPRET_CAST(void**, &rawPtr)) ) )
rawPtr = 0;
if ( mRawPtr )
NSCAP_RELEASE(mRawPtr);
mRawPtr = rawPtr;
if ( result )
*result = status;
}
void**
nsCOMPtr_base::begin_assignment()
{
if ( mRawPtr )
NSCAP_RELEASE(mRawPtr);
mRawPtr = 0;
return NSCAP_REINTERPRET_CAST(void**, &mRawPtr);
}