| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| #ifndef CHART2_EVENTLISTENERHELPER_HXX |
| #define CHART2_EVENTLISTENERHELPER_HXX |
| |
| #include <com/sun/star/lang/XEventListener.hpp> |
| #include <com/sun/star/lang/XComponent.hpp> |
| |
| #include <list> |
| #include <algorithm> |
| #include <functional> |
| #include <utility> |
| |
| namespace chart |
| { |
| namespace EventListenerHelper |
| { |
| |
| namespace impl |
| { |
| |
| template< class InterfaceRef > |
| struct addListenerFunctor : public ::std::unary_function< InterfaceRef, void > |
| { |
| explicit addListenerFunctor( const ::com::sun::star::uno::Reference< |
| ::com::sun::star::lang::XEventListener > & xListener ) : |
| m_xListener( xListener ) |
| {} |
| |
| void operator() ( const InterfaceRef & xObject ) |
| { |
| ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent > |
| xBroadcaster( xObject, ::com::sun::star::uno::UNO_QUERY ); |
| if( xBroadcaster.is() && m_xListener.is()) |
| xBroadcaster->addEventListener( m_xListener ); |
| } |
| private: |
| ::com::sun::star::uno::Reference< ::com::sun::star::lang::XEventListener > m_xListener; |
| }; |
| |
| template< class InterfaceRef > |
| struct removeListenerFunctor : public ::std::unary_function< InterfaceRef, void > |
| { |
| explicit removeListenerFunctor( const ::com::sun::star::uno::Reference< |
| ::com::sun::star::lang::XEventListener > & xListener ) : |
| m_xListener( xListener ) |
| {} |
| |
| void operator() ( const InterfaceRef & xObject ) |
| { |
| ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent > |
| xBroadcaster( xObject, ::com::sun::star::uno::UNO_QUERY ); |
| if( xBroadcaster.is() && m_xListener.is()) |
| xBroadcaster->removeEventListener( m_xListener ); |
| } |
| private: |
| ::com::sun::star::uno::Reference< ::com::sun::star::lang::XEventListener > m_xListener; |
| }; |
| |
| template< class Pair > |
| struct addListenerToMappedElementFunctor : public ::std::unary_function< Pair, void > |
| { |
| explicit addListenerToMappedElementFunctor( const ::com::sun::star::uno::Reference< |
| ::com::sun::star::lang::XEventListener > & xListener ) : |
| m_xListener( xListener ) |
| {} |
| |
| void operator() ( const Pair & aPair ) |
| { |
| ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent > |
| xBroadcaster( aPair.second, ::com::sun::star::uno::UNO_QUERY ); |
| if( xBroadcaster.is() && m_xListener.is()) |
| xBroadcaster->addEventListener( m_xListener ); |
| } |
| private: |
| ::com::sun::star::uno::Reference< ::com::sun::star::lang::XEventListener > m_xListener; |
| }; |
| |
| template< class Pair > |
| struct removeListenerFromMappedElementFunctor : public ::std::unary_function< Pair, void > |
| { |
| explicit removeListenerFromMappedElementFunctor( const ::com::sun::star::uno::Reference< |
| ::com::sun::star::lang::XEventListener > & xListener ) : |
| m_xListener( xListener ) |
| {} |
| |
| void operator() ( const Pair & aPair ) |
| { |
| ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent > |
| xBroadcaster( aPair.second, ::com::sun::star::uno::UNO_QUERY ); |
| if( xBroadcaster.is() && m_xListener.is()) |
| xBroadcaster->removeEventListener( m_xListener ); |
| } |
| private: |
| ::com::sun::star::uno::Reference< ::com::sun::star::lang::XEventListener > m_xListener; |
| }; |
| |
| } // namespace impl |
| |
| // -------------------------------------------------------------------------------- |
| |
| template< class InterfaceRef > |
| void addListener( |
| const InterfaceRef & xObject, |
| const ::com::sun::star::uno::Reference< |
| ::com::sun::star::lang::XEventListener > & xListener ) |
| { |
| if( xListener.is()) |
| { |
| impl::addListenerFunctor< InterfaceRef > aFunctor( xListener ); |
| aFunctor( xObject ); |
| } |
| } |
| |
| template< class Container > |
| void addListenerToAllElements( |
| const Container & rContainer, |
| const ::com::sun::star::uno::Reference< |
| ::com::sun::star::lang::XEventListener > & xListener ) |
| { |
| if( xListener.is()) |
| ::std::for_each( rContainer.begin(), rContainer.end(), |
| impl::addListenerFunctor< typename Container::value_type >( xListener )); |
| } |
| |
| template< class Container > |
| void addListenerToAllMapElements( |
| const Container & rContainer, |
| const ::com::sun::star::uno::Reference< |
| ::com::sun::star::lang::XEventListener > & xListener ) |
| { |
| if( xListener.is()) |
| ::std::for_each( rContainer.begin(), rContainer.end(), |
| impl::addListenerToMappedElementFunctor< typename Container::value_type >( xListener )); |
| } |
| |
| template< typename T > |
| void addListenerToAllSequenceElements( |
| const ::com::sun::star::uno::Sequence< T > & rSequence, |
| const ::com::sun::star::uno::Reference< |
| ::com::sun::star::lang::XEventListener > & xListener ) |
| { |
| if( xListener.is()) |
| ::std::for_each( rSequence.getConstArray(), rSequence.getConstArray() + rSequence.getLength(), |
| impl::addListenerFunctor< T >( xListener )); |
| } |
| |
| template< class InterfaceRef > |
| void removeListener( |
| const InterfaceRef & xObject, |
| const ::com::sun::star::uno::Reference< |
| ::com::sun::star::lang::XEventListener > & xListener ) |
| { |
| if( xListener.is()) |
| { |
| impl::removeListenerFunctor< InterfaceRef > aFunctor( xListener ); |
| aFunctor( xObject ); |
| } |
| } |
| |
| template< class Container > |
| void removeListenerFromAllElements( |
| const Container & rContainer, |
| const ::com::sun::star::uno::Reference< |
| ::com::sun::star::lang::XEventListener > & xListener ) |
| { |
| if( xListener.is()) |
| ::std::for_each( rContainer.begin(), rContainer.end(), |
| impl::removeListenerFunctor< typename Container::value_type >( xListener )); |
| } |
| |
| template< class Container > |
| void removeListenerFromAllMapElements( |
| const Container & rContainer, |
| const ::com::sun::star::uno::Reference< |
| ::com::sun::star::lang::XEventListener > & xListener ) |
| { |
| if( xListener.is()) |
| ::std::for_each( rContainer.begin(), rContainer.end(), |
| impl::removeListenerFromMappedElementFunctor< typename Container::value_type >( xListener )); |
| } |
| |
| template< typename T > |
| void removeListenerFromAllSequenceElements( |
| const ::com::sun::star::uno::Sequence< T > & rSequence, |
| const ::com::sun::star::uno::Reference< |
| ::com::sun::star::lang::XEventListener > & xListener ) |
| { |
| if( xListener.is()) |
| ::std::for_each( rSequence.getConstArray(), rSequence.getConstArray() + rSequence.getLength(), |
| impl::removeListenerFunctor< T >( xListener )); |
| } |
| |
| } // namespace EventListenerHelper |
| } // namespace chart |
| |
| // CHART2_EVENTLISTENERHELPER_HXX |
| #endif |