1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 #ifndef INCLUDED_COMPHELPER_SELECTION_MULTIPLEX_HXX 29 #define INCLUDED_COMPHELPER_SELECTION_MULTIPLEX_HXX 30 31 #include <com/sun/star/view/XSelectionChangeListener.hpp> 32 #include <com/sun/star/view/XSelectionSupplier.hpp> 33 #include <cppuhelper/implbase1.hxx> 34 #include "comphelper/comphelperdllapi.h" 35 36 //========================================================================= 37 //= selection helper classes 38 //========================================================================= 39 40 //......................................................................... 41 namespace comphelper 42 { 43 //......................................................................... 44 45 class OSelectionChangeMultiplexer; 46 47 //================================================================== 48 //= OSelectionChangeListener 49 //================================================================== 50 /// simple listener adapter for selections 51 class COMPHELPER_DLLPUBLIC OSelectionChangeListener 52 { 53 friend class OSelectionChangeMultiplexer; 54 55 OSelectionChangeMultiplexer* m_pAdapter; 56 ::osl::Mutex& m_rMutex; 57 58 public: 59 OSelectionChangeListener(::osl::Mutex& _rMutex) 60 : m_pAdapter(NULL), m_rMutex(_rMutex) { } 61 virtual ~OSelectionChangeListener(); 62 63 virtual void _selectionChanged( const ::com::sun::star::lang::EventObject& aEvent ) throw (::com::sun::star::uno::RuntimeException) = 0; 64 virtual void _disposing(const ::com::sun::star::lang::EventObject& _rSource) throw( ::com::sun::star::uno::RuntimeException); 65 66 protected: 67 /** If the derivee also owns the mutex which we know as reference, then call this within your 68 derivee's dtor. 69 */ 70 void disposeAdapter(); 71 72 // pseudo-private. Making it private now could break compatibility 73 void setAdapter( OSelectionChangeMultiplexer* _pAdapter ); 74 }; 75 76 //================================================================== 77 //= OSelectionChangeMultiplexer 78 //================================================================== 79 /// multiplexer for selection changes 80 class COMPHELPER_DLLPUBLIC OSelectionChangeMultiplexer :public cppu::WeakImplHelper1< ::com::sun::star::view::XSelectionChangeListener> 81 { 82 friend class OSelectionChangeListener; 83 ::com::sun::star::uno::Reference< ::com::sun::star::view::XSelectionSupplier> m_xSet; 84 OSelectionChangeListener* m_pListener; 85 sal_Int32 m_nLockCount; 86 sal_Bool m_bListening : 1; 87 sal_Bool m_bAutoSetRelease : 1; 88 89 OSelectionChangeMultiplexer(const OSelectionChangeMultiplexer&); 90 OSelectionChangeMultiplexer& operator=(const OSelectionChangeMultiplexer&); 91 protected: 92 virtual ~OSelectionChangeMultiplexer(); 93 public: 94 OSelectionChangeMultiplexer(OSelectionChangeListener* _pListener, const ::com::sun::star::uno::Reference< ::com::sun::star::view::XSelectionSupplier>& _rxSet, sal_Bool _bAutoReleaseSet = sal_True); 95 96 // XEventListener 97 virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw( ::com::sun::star::uno::RuntimeException); 98 99 // XSelectionChangeListener 100 virtual void SAL_CALL selectionChanged( const ::com::sun::star::lang::EventObject& aEvent ) throw (::com::sun::star::uno::RuntimeException); 101 102 /// incremental lock 103 void lock(); 104 /// incremental unlock 105 void unlock(); 106 /// get the lock count 107 sal_Int32 locked() const { return m_nLockCount; } 108 109 void dispose(); 110 }; 111 112 //......................................................................... 113 } // namespace comphelper 114 //......................................................................... 115 116 #endif // INCLUDED_COMPHELPER_SELECTION_MULTIPLEX_HXX 117 118