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Diffstat (limited to 'comphelper/inc/comphelper/SelectionMultiplex.hxx')
-rw-r--r-- | comphelper/inc/comphelper/SelectionMultiplex.hxx | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/comphelper/inc/comphelper/SelectionMultiplex.hxx b/comphelper/inc/comphelper/SelectionMultiplex.hxx new file mode 100644 index 000000000000..633a86f4fdb8 --- /dev/null +++ b/comphelper/inc/comphelper/SelectionMultiplex.hxx @@ -0,0 +1,117 @@ +/************************************************************************* + * + * 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 INCLUDED_COMPHELPER_SELECTION_MULTIPLEX_HXX +#define INCLUDED_COMPHELPER_SELECTION_MULTIPLEX_HXX + +#include <com/sun/star/view/XSelectionChangeListener.hpp> +#include <com/sun/star/view/XSelectionSupplier.hpp> +#include <cppuhelper/implbase1.hxx> +#include "comphelper/comphelperdllapi.h" + +//========================================================================= +//= selection helper classes +//========================================================================= + +//......................................................................... +namespace comphelper +{ +//......................................................................... + + class OSelectionChangeMultiplexer; + + //================================================================== + //= OSelectionChangeListener + //================================================================== + /// simple listener adapter for selections + class COMPHELPER_DLLPUBLIC OSelectionChangeListener + { + friend class OSelectionChangeMultiplexer; + + OSelectionChangeMultiplexer* m_pAdapter; + ::osl::Mutex& m_rMutex; + + public: + OSelectionChangeListener(::osl::Mutex& _rMutex) + : m_pAdapter(NULL), m_rMutex(_rMutex) { } + virtual ~OSelectionChangeListener(); + + virtual void _selectionChanged( const ::com::sun::star::lang::EventObject& aEvent ) 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( OSelectionChangeMultiplexer* _pAdapter ); + }; + + //================================================================== + //= OSelectionChangeMultiplexer + //================================================================== + /// multiplexer for selection changes + class COMPHELPER_DLLPUBLIC OSelectionChangeMultiplexer :public cppu::WeakImplHelper1< ::com::sun::star::view::XSelectionChangeListener> + { + friend class OSelectionChangeListener; + ::com::sun::star::uno::Reference< ::com::sun::star::view::XSelectionSupplier> m_xSet; + OSelectionChangeListener* m_pListener; + sal_Int32 m_nLockCount; + sal_Bool m_bListening : 1; + sal_Bool m_bAutoSetRelease : 1; + + OSelectionChangeMultiplexer(const OSelectionChangeMultiplexer&); + OSelectionChangeMultiplexer& operator=(const OSelectionChangeMultiplexer&); + protected: + virtual ~OSelectionChangeMultiplexer(); + public: + OSelectionChangeMultiplexer(OSelectionChangeListener* _pListener, const ::com::sun::star::uno::Reference< ::com::sun::star::view::XSelectionSupplier>& _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); + + // XSelectionChangeListener + virtual void SAL_CALL selectionChanged( const ::com::sun::star::lang::EventObject& aEvent ) 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 dispose(); + }; + +//......................................................................... +} // namespace comphelper +//......................................................................... + +#endif // INCLUDED_COMPHELPER_SELECTION_MULTIPLEX_HXX + |