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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include <tools/debug.hxx>
#include "listenerbase.hxx"
#include "listeneriter.hxx"
#include "broadcast.hxx"
#include "listener.hxx"
namespace binfilter
{
SvtListenerIter* SvtListenerIter::pListenerIters = 0;
SvtListenerIter::SvtListenerIter( SvtBroadcaster& rBrdcst )
: rRoot( rBrdcst )
{
// hinten einketten!
pNxtIter = 0;
if( pListenerIters )
{
SvtListenerIter* pTmp = pListenerIters;
while( pTmp->pNxtIter )
pTmp = pTmp->pNxtIter;
pTmp->pNxtIter = this;
}
else
pListenerIters = this;
pAkt = rRoot.pRoot;
pDelNext = pAkt;
}
SvtListenerIter::~SvtListenerIter()
{
if( pListenerIters )
{
if( pListenerIters == this )
pListenerIters = pNxtIter;
else
{
SvtListenerIter* pTmp = pListenerIters;
while( pTmp->pNxtIter != this )
if( 0 == ( pTmp = pTmp->pNxtIter ) )
return ;
pTmp->pNxtIter = pNxtIter;
}
}
}
void SvtListenerIter::RemoveListener( SvtListenerBase& rDel,
SvtListenerBase* pNext )
{
// Update the ListenerIter
SvtListenerIter* pTmp = pListenerIters;
while( pTmp )
{
if( pTmp->pAkt == &rDel || pTmp->pDelNext == &rDel )
pTmp->pDelNext = pNext;
pTmp = pTmp->pNxtIter;
}
}
SvtListener* SvtListenerIter::GoNext()
{
if( pDelNext == pAkt )
{
pAkt = pAkt->GetRight();
pDelNext = pAkt;
}
else
pAkt = pDelNext;
return pAkt ? pAkt->GetListener() : 0;
}
SvtListener* SvtListenerIter::GoStart() // zum Anfang des Baums
{
pAkt = rRoot.pRoot;
if( pAkt )
while( pAkt->GetLeft() )
pAkt = pAkt->GetLeft();
pDelNext = pAkt;
return pAkt ? pAkt->GetListener() : 0;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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