109 lines
4.7 KiB
C++
109 lines
4.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_COMPHELPER_PROPMULTIPLEX_HXX
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#define INCLUDED_COMPHELPER_PROPMULTIPLEX_HXX
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#include <comphelper/propstate.hxx>
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#include <cppuhelper/implbase1.hxx>
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#include <comphelper/comphelperdllapi.h>
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//=========================================================================
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//= property helper classes
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//=========================================================================
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//.........................................................................
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namespace comphelper
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{
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//.........................................................................
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class OPropertyChangeMultiplexer;
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//==================================================================
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//= OPropertyChangeListener
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//==================================================================
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/// simple listener adapter for property sets
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class COMPHELPER_DLLPUBLIC OPropertyChangeListener
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{
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friend class OPropertyChangeMultiplexer;
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OPropertyChangeMultiplexer* m_pAdapter;
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::osl::Mutex& m_rMutex;
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public:
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OPropertyChangeListener(::osl::Mutex& _rMutex)
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: m_pAdapter(NULL), m_rMutex(_rMutex) { }
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virtual ~OPropertyChangeListener();
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virtual void _propertyChanged(const ::com::sun::star::beans::PropertyChangeEvent& _rEvent) throw( ::com::sun::star::uno::RuntimeException) = 0;
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virtual void _disposing(const ::com::sun::star::lang::EventObject& _rSource) throw( ::com::sun::star::uno::RuntimeException);
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protected:
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/** If the derivee also owns the mutex which we know as reference, then call this within your
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derivee's dtor.
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*/
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void disposeAdapter();
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// pseudo-private. Making it private now could break compatibility
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void setAdapter( OPropertyChangeMultiplexer* _pAdapter );
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};
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//==================================================================
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//= OPropertyChangeMultiplexer
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//==================================================================
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/// multiplexer for property changes
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class COMPHELPER_DLLPUBLIC OPropertyChangeMultiplexer :public cppu::WeakImplHelper1< ::com::sun::star::beans::XPropertyChangeListener>
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{
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friend class OPropertyChangeListener;
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::com::sun::star::uno::Sequence< OUString > m_aProperties;
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::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet> m_xSet;
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OPropertyChangeListener* m_pListener;
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sal_Int32 m_nLockCount;
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sal_Bool m_bListening : 1;
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sal_Bool m_bAutoSetRelease : 1;
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virtual ~OPropertyChangeMultiplexer();
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public:
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OPropertyChangeMultiplexer(OPropertyChangeListener* _pListener, const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet>& _rxSet, sal_Bool _bAutoReleaseSet = sal_True);
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// XEventListener
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virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw( ::com::sun::star::uno::RuntimeException);
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// XPropertyChangeListener
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virtual void SAL_CALL propertyChange( const ::com::sun::star::beans::PropertyChangeEvent& evt ) throw( ::com::sun::star::uno::RuntimeException);
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/// incremental lock
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void lock();
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/// incremental unlock
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void unlock();
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/// get the lock count
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sal_Int32 locked() const { return m_nLockCount; }
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void addProperty(const OUString& aPropertyName);
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void dispose();
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};
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//.........................................................................
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} // namespace comphelper
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//.........................................................................
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#endif // INCLUDED_COMPHELPER_PROPMULTIPLEX_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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