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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /chart2/source/inc/EventListenerHelper.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'chart2/source/inc/EventListenerHelper.hxx')
-rw-r--r-- | chart2/source/inc/EventListenerHelper.hxx | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/chart2/source/inc/EventListenerHelper.hxx b/chart2/source/inc/EventListenerHelper.hxx new file mode 100644 index 000000000..a042c0067 --- /dev/null +++ b/chart2/source/inc/EventListenerHelper.hxx @@ -0,0 +1,120 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ +#pragma once + +#include <com/sun/star/lang/XComponent.hpp> + +#include <algorithm> + +namespace com::sun::star::lang { class XEventListener; } + +namespace chart +{ +namespace EventListenerHelper +{ + +namespace impl +{ + +template< class InterfaceRef > +struct addListenerFunctor +{ + explicit addListenerFunctor( const css::uno::Reference< css::lang::XEventListener > & xListener ) : + m_xListener( xListener ) + {} + + void operator() ( const InterfaceRef & xObject ) + { + css::uno::Reference< css::lang::XComponent > + xBroadcaster( xObject, css::uno::UNO_QUERY ); + if( xBroadcaster.is() && m_xListener.is()) + xBroadcaster->addEventListener( m_xListener ); + } +private: + css::uno::Reference< css::lang::XEventListener > m_xListener; +}; + +template< class InterfaceRef > +struct removeListenerFunctor +{ + explicit removeListenerFunctor( const css::uno::Reference< css::lang::XEventListener > & xListener ) : + m_xListener( xListener ) + {} + + void operator() ( const InterfaceRef & xObject ) + { + css::uno::Reference< css::lang::XComponent > + xBroadcaster( xObject, css::uno::UNO_QUERY ); + if( xBroadcaster.is() && m_xListener.is()) + xBroadcaster->removeEventListener( m_xListener ); + } +private: + css::uno::Reference< css::lang::XEventListener > m_xListener; +}; + +} // namespace impl + +template< class InterfaceRef > +void addListener( + const InterfaceRef & xObject, + const css::uno::Reference< css::lang::XEventListener > & xListener ) +{ + if( xListener.is()) + { + impl::addListenerFunctor< InterfaceRef > aFunctor( xListener ); + aFunctor( xObject ); + } +} + +template< class Container > +void addListenerToAllElements( + const Container & rContainer, + const css::uno::Reference< css::lang::XEventListener > & xListener ) +{ + if( xListener.is()) + std::for_each( rContainer.begin(), rContainer.end(), + impl::addListenerFunctor< typename Container::value_type >( xListener )); +} + +template< class InterfaceRef > +void removeListener( + const InterfaceRef & xObject, + const css::uno::Reference< css::lang::XEventListener > & xListener ) +{ + if( xListener.is()) + { + impl::removeListenerFunctor< InterfaceRef > aFunctor( xListener ); + aFunctor( xObject ); + } +} + +template< class Container > +void removeListenerFromAllElements( + const Container & rContainer, + const css::uno::Reference< css::lang::XEventListener > & xListener ) +{ + if( xListener.is()) + std::for_each( rContainer.begin(), rContainer.end(), + impl::removeListenerFunctor< typename Container::value_type >( xListener )); +} + +} // namespace EventListenerHelper +} // namespace chart + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |