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Diffstat (limited to 'comphelper/inc/comphelper/containermultiplexer.hxx')
| -rw-r--r-- | comphelper/inc/comphelper/containermultiplexer.hxx | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/comphelper/inc/comphelper/containermultiplexer.hxx b/comphelper/inc/comphelper/containermultiplexer.hxx new file mode 100644 index 000000000000..af0a72298c67 --- /dev/null +++ b/comphelper/inc/comphelper/containermultiplexer.hxx @@ -0,0 +1,118 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2008 by Sun Microsystems, Inc. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * $RCSfile: containermultiplexer.hxx,v $ + * $Revision: 1.4 $ + * + * 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_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_ + |