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Diffstat (limited to 'chart2/source/tools/ModifyListenerCallBack.cxx')
-rw-r--r-- | chart2/source/tools/ModifyListenerCallBack.cxx | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/chart2/source/tools/ModifyListenerCallBack.cxx b/chart2/source/tools/ModifyListenerCallBack.cxx new file mode 100644 index 000000000000..ae13b65c39c2 --- /dev/null +++ b/chart2/source/tools/ModifyListenerCallBack.cxx @@ -0,0 +1,134 @@ +/************************************************************************* + * + * 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. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_chart2.hxx" + +#include "ModifyListenerCallBack.hxx" +#include "MutexContainer.hxx" +#include <cppuhelper/compbase1.hxx> + +using namespace ::com::sun::star; +using ::com::sun::star::uno::Reference; + +namespace chart { + +typedef ::cppu::WeakComponentImplHelper1< + ::com::sun::star::util::XModifyListener > + ModifyListenerCallBack_Base; + +class ModifyListenerCallBack_impl + : public ::chart::MutexContainer + , public ModifyListenerCallBack_Base +{ +public: + explicit ModifyListenerCallBack_impl( const Link& rCallBack ); + virtual ~ModifyListenerCallBack_impl(); + + void startListening( const Reference< util::XModifyBroadcaster >& xBroadcaster ); + void stopListening(); + + //XModifyListener + virtual void SAL_CALL modified( const lang::EventObject& aEvent ) throw (uno::RuntimeException); + + //XEventListener + virtual void SAL_CALL disposing( const lang::EventObject& Source ) throw (uno::RuntimeException); + + using ::cppu::WeakComponentImplHelperBase::disposing; + +private: + Link m_aLink;//will be callef on modify + Reference< util::XModifyBroadcaster > m_xBroadcaster;//broadcaster to listen at +}; + + +ModifyListenerCallBack_impl::ModifyListenerCallBack_impl( const Link& rCallBack ) + : ModifyListenerCallBack_Base( m_aMutex ) + , m_aLink( rCallBack ) + , m_xBroadcaster(0) +{ +} + +ModifyListenerCallBack_impl::~ModifyListenerCallBack_impl() +{ +} + +//XModifyListener +void SAL_CALL ModifyListenerCallBack_impl::modified( const lang::EventObject& /*aEvent*/ ) throw (uno::RuntimeException) +{ + m_aLink.Call(0); +} + +//XEventListener +void SAL_CALL ModifyListenerCallBack_impl::disposing( const lang::EventObject& /*Source*/ ) throw (uno::RuntimeException) +{ + m_xBroadcaster.clear(); +} + +void ModifyListenerCallBack_impl::startListening( const ::com::sun::star::uno::Reference< ::com::sun::star::util::XModifyBroadcaster >& xBroadcaster ) +{ + if( m_xBroadcaster == xBroadcaster ) + return; + + stopListening(); + m_xBroadcaster = xBroadcaster; + if( m_xBroadcaster.is() ) + m_xBroadcaster->addModifyListener( this ); +} +void ModifyListenerCallBack_impl::stopListening() +{ + if( m_xBroadcaster.is() ) + { + m_xBroadcaster->removeModifyListener( this ); + m_xBroadcaster.clear(); + } +} + +//------------------------------------------- + +ModifyListenerCallBack::ModifyListenerCallBack( const Link& rCallBack ) + : pModifyListener_impl( new ModifyListenerCallBack_impl(rCallBack) ) + , m_xModifyListener( pModifyListener_impl ) +{ +} + +ModifyListenerCallBack::~ModifyListenerCallBack() +{ + stopListening(); +} + +void ModifyListenerCallBack::startListening( const ::com::sun::star::uno::Reference< ::com::sun::star::util::XModifyBroadcaster >& xBroadcaster ) +{ + pModifyListener_impl->startListening( xBroadcaster ); +} +void ModifyListenerCallBack::stopListening() +{ + pModifyListener_impl->stopListening(); +} + +} // namespace chart + |