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INTEGRATION: CWS oj14 (1.1.2); FILE ADDED

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2007/02/20 12:17:13 oj 1.1.2.3: check m_pListener
2006/12/20 06:58:00 oj 1.1.2.2: missing preheader
2006/11/08 12:29:24 oj 1.1.2.1: new helper class
This commit is contained in:
Rüdiger Timm 2007-07-06 09:19:33 +00:00
parent 7f3c3bb457
commit bd14f4bccd
1 changed files with 244 additions and 0 deletions
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244
comphelper/source/container/containermultiplexer.cxx Normal file
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/*************************************************************************
*
* $RCSfile: containermultiplexer.cxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: rt $ $Date: 2007-07-06 10:19:33 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source 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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc..
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): Ocke Janssen
*
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_comphelper.hxx"
#ifndef _COMPHELPER_CONTAINERMULTIPLEXER_HXX_
#include "comphelper/containermultiplexer.hxx"
#endif
#ifndef _COMPHELPER_UNO3_HXX_
#include "comphelper/uno3.hxx"
#endif
#ifndef _OSL_DIAGNOSE_H_
#include <osl/diagnose.h>
#endif
//.........................................................................
namespace comphelper
{
//.........................................................................
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::container;
//=====================================================================
//= OContainerListener
//=====================================================================
//---------------------------------------------------------------------
OContainerListener::OContainerListener(::osl::Mutex& _rMutex)
:m_pAdapter(NULL)
,m_rMutex(_rMutex)
{
}
//---------------------------------------------------------------------
OContainerListener::~OContainerListener()
{
if (m_pAdapter)
{
m_pAdapter->dispose();
m_pAdapter = NULL;
}
}
//---------------------------------------------------------------------
void OContainerListener::_elementInserted( const ContainerEvent& /*_rEvent*/ ) throw(RuntimeException)
{
}
//---------------------------------------------------------------------
void OContainerListener::_elementRemoved( const ContainerEvent& ) throw(RuntimeException)
{
}
//---------------------------------------------------------------------
void OContainerListener::_elementReplaced( const ContainerEvent& /*_rEvent*/ ) throw(RuntimeException)
{
}
//---------------------------------------------------------------------
void OContainerListener::_disposing(const EventObject& ) throw( RuntimeException)
{
}
//------------------------------------------------------------------
void OContainerListener::setAdapter(OContainerListenerAdapter* pAdapter)
{
if (m_pAdapter)
{
::osl::MutexGuard aGuard(m_rMutex);
m_pAdapter->release();
m_pAdapter = NULL;
}
if (pAdapter)
{
::osl::MutexGuard aGuard(m_rMutex);
m_pAdapter = pAdapter;
m_pAdapter->acquire();
}
}
//=====================================================================
//= OContainerListenerAdapter
//=====================================================================
//---------------------------------------------------------------------
OContainerListenerAdapter::OContainerListenerAdapter(OContainerListener* _pListener,
const Reference< XContainer >& _rxContainer)
:m_xContainer(_rxContainer)
,m_pListener(_pListener)
,m_nLockCount(0)
{
if (m_pListener)
m_pListener->setAdapter(this);
::comphelper::increment(m_refCount);
try
{
m_xContainer->addContainerListener(this);
}
catch(const Exception&)
{
OSL_ENSURE(0,"Exceptiopn catched!");
}
::comphelper::decrement(m_refCount);
}
//---------------------------------------------------------------------
OContainerListenerAdapter::~OContainerListenerAdapter()
{
}
//------------------------------------------------------------------
void OContainerListenerAdapter::lock()
{
++m_nLockCount;
}
//------------------------------------------------------------------
void OContainerListenerAdapter::unlock()
{
--m_nLockCount;
}
//------------------------------------------------------------------
void OContainerListenerAdapter::dispose()
{
if (m_xContainer.is())
{
try
{
Reference< XContainerListener > xPreventDelete(this);
m_xContainer->removeContainerListener(xPreventDelete);
m_pListener->setAdapter(NULL);
}
catch(const Exception&)
{
OSL_ENSURE(0,"Exception catched!");
}
m_xContainer = NULL;
m_pListener = NULL;
}
}
//------------------------------------------------------------------
void SAL_CALL OContainerListenerAdapter::disposing( const EventObject& _rSource) throw(RuntimeException)
{
if (m_pListener)
{
// tell the listener
if (!locked())
m_pListener->_disposing(_rSource);
// disconnect the listener
if ( m_pListener )
m_pListener->setAdapter(NULL);
}
m_xContainer = NULL;
m_pListener = NULL;
}
//------------------------------------------------------------------
void SAL_CALL OContainerListenerAdapter::elementInserted( const ContainerEvent& _rEvent ) throw(RuntimeException)
{
if (m_pListener && !locked())
m_pListener->_elementInserted(_rEvent);
}
//------------------------------------------------------------------
void SAL_CALL OContainerListenerAdapter::elementRemoved( const ContainerEvent& _rEvent ) throw(RuntimeException)
{
if (m_pListener && !locked())
m_pListener->_elementRemoved(_rEvent);
}
//------------------------------------------------------------------
void SAL_CALL OContainerListenerAdapter::elementReplaced( const ContainerEvent& _rEvent ) throw(RuntimeException)
{
if (m_pListener && !locked())
m_pListener->_elementReplaced(_rEvent);
}
//.........................................................................
} // namespace comphelper
//.........................................................................