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/**************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
#ifndef _COMPHELPER_CONTAINERMULTIPLEXER_HXX_
#define _COMPHELPER_CONTAINERMULTIPLEXER_HXX_
#include <com/sun/star/container/XContainer.hpp>
#include <cppuhelper/implbase1.hxx>
#include <osl/mutex.hxx>
#include "comphelper/comphelperdllapi.h"
//.........................................................................
namespace comphelper
{
//.........................................................................
class OContainerListenerAdapter;
//=====================================================================
//= OContainerListener
//=====================================================================
/** a non-UNO container listener
<p>Usefull if you have a non-refcountable class which should act as container listener.<br/>
In this case, derive this class from OContainerListener, and create an adapter
<type>OContainerListenerAdapter</type> which multiplexes the changes.</p>
*/
class COMPHELPER_DLLPUBLIC OContainerListener
{
friend class OContainerListenerAdapter;
protected:
OContainerListenerAdapter* m_pAdapter;
::osl::Mutex& m_rMutex;
public:
OContainerListener(::osl::Mutex& _rMutex);
virtual ~OContainerListener();
virtual void _elementInserted( const ::com::sun::star::container::ContainerEvent& _rEvent ) throw(::com::sun::star::uno::RuntimeException);
virtual void _elementRemoved( const ::com::sun::star::container::ContainerEvent& _Event ) throw(::com::sun::star::uno::RuntimeException);
virtual void _elementReplaced( const ::com::sun::star::container::ContainerEvent& _rEvent ) throw(::com::sun::star::uno::RuntimeException);
virtual void _disposing(const ::com::sun::star::lang::EventObject& _rSource) throw( ::com::sun::star::uno::RuntimeException);
protected:
void setAdapter(OContainerListenerAdapter* _pAdapter);
};
//=====================================================================
//= OContainerListenerAdapter
//=====================================================================
class COMPHELPER_DLLPUBLIC OContainerListenerAdapter
:public cppu::WeakImplHelper1< ::com::sun::star::container::XContainerListener >
{
friend class OContainerListener;
protected:
::com::sun::star::uno::Reference< ::com::sun::star::container::XContainer >
m_xContainer;
OContainerListener* m_pListener;
sal_Int32 m_nLockCount;
virtual ~OContainerListenerAdapter();
public:
OContainerListenerAdapter(OContainerListener* _pListener,
const ::com::sun::star::uno::Reference< ::com::sun::star::container::XContainer >& _rxContainer);
// XEventListener
virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw( ::com::sun::star::uno::RuntimeException);
// XContainerListener
virtual void SAL_CALL elementInserted( const ::com::sun::star::container::ContainerEvent& Event ) throw(::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL elementRemoved( const ::com::sun::star::container::ContainerEvent& Event ) throw(::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL elementReplaced( const ::com::sun::star::container::ContainerEvent& Event ) throw(::com::sun::star::uno::RuntimeException);
// locking the multiplexer
void lock();
void unlock();
sal_Int32 locked() const { return m_nLockCount; }
/// dispose the object. No multiplexing anymore
void dispose();
const ::com::sun::star::uno::Reference< ::com::sun::star::container::XContainer >&
getContainer() const { return m_xContainer; }
};
//.........................................................................
} // namespace dbaui
//.........................................................................
#endif // _COMPHELPER_CONTAINERMULTIPLEXER_HXX_
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