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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * 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 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
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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