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/*************************************************************************
*
* 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.
*
************************************************************************/
#ifndef _COMPHELPER_PROPERTY_MULTIPLEX_HXX_
#define _COMPHELPER_PROPERTY_MULTIPLEX_HXX_
#include <comphelper/propstate.hxx>
#include <cppuhelper/implbase1.hxx>
#include "comphelper/comphelperdllapi.h"
//=========================================================================
//= property helper classes
//=========================================================================
//.........................................................................
namespace comphelper
{
//.........................................................................
class OPropertyChangeMultiplexer;
//==================================================================
//= OPropertyChangeListener
//==================================================================
/// simple listener adapter for property sets
class COMPHELPER_DLLPUBLIC OPropertyChangeListener
{
friend class OPropertyChangeMultiplexer;
OPropertyChangeMultiplexer* m_pAdapter;
::osl::Mutex& m_rMutex;
public:
OPropertyChangeListener(::osl::Mutex& _rMutex)
: m_pAdapter(NULL), m_rMutex(_rMutex) { }
virtual ~OPropertyChangeListener();
virtual void _propertyChanged(const ::com::sun::star::beans::PropertyChangeEvent& _rEvent) throw( ::com::sun::star::uno::RuntimeException) = 0;
virtual void _disposing(const ::com::sun::star::lang::EventObject& _rSource) throw( ::com::sun::star::uno::RuntimeException);
protected:
/** If the derivee also owns the mutex which we know as reference, then call this within your
derivee's dtor.
*/
void disposeAdapter();
// pseudo-private. Making it private now could break compatibility
void setAdapter( OPropertyChangeMultiplexer* _pAdapter );
};
//==================================================================
//= OPropertyChangeMultiplexer
//==================================================================
/// multiplexer for property changes
class COMPHELPER_DLLPUBLIC OPropertyChangeMultiplexer :public cppu::WeakImplHelper1< ::com::sun::star::beans::XPropertyChangeListener>
{
friend class OPropertyChangeListener;
::com::sun::star::uno::Sequence< ::rtl::OUString > m_aProperties;
::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet> m_xSet;
OPropertyChangeListener* m_pListener;
sal_Int32 m_nLockCount;
sal_Bool m_bListening : 1;
sal_Bool m_bAutoSetRelease : 1;
virtual ~OPropertyChangeMultiplexer();
public:
OPropertyChangeMultiplexer(OPropertyChangeListener* _pListener, const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet>& _rxSet, sal_Bool _bAutoReleaseSet = sal_True);
// XEventListener
virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw( ::com::sun::star::uno::RuntimeException);
// XPropertyChangeListener
virtual void SAL_CALL propertyChange( const ::com::sun::star::beans::PropertyChangeEvent& evt ) throw( ::com::sun::star::uno::RuntimeException);
/// incremental lock
void lock();
/// incremental unlock
void unlock();
/// get the lock count
sal_Int32 locked() const { return m_nLockCount; }
void addProperty(const ::rtl::OUString& aPropertyName);
void dispose();
};
//.........................................................................
} // namespace comphelper
//.........................................................................
#endif // _COMPHELPER_PROPERTY_MULTIPLEX_HXX_
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