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Diffstat (limited to 'include/comphelper/containermultiplexer.hxx')
-rw-r--r-- | include/comphelper/containermultiplexer.hxx | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/include/comphelper/containermultiplexer.hxx b/include/comphelper/containermultiplexer.hxx new file mode 100644 index 000000000..5b40b62ae --- /dev/null +++ b/include/comphelper/containermultiplexer.hxx @@ -0,0 +1,106 @@ +/* -*- 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 . + */ + +#ifndef INCLUDED_COMPHELPER_CONTAINERMULTIPLEXER_HXX +#define INCLUDED_COMPHELPER_CONTAINERMULTIPLEXER_HXX + +#include <com/sun/star/container/XContainerListener.hpp> +#include <cppuhelper/implbase.hxx> +#include <comphelper/comphelperdllapi.h> +#include <rtl/ref.hxx> + +namespace osl { class Mutex; } +namespace com::sun::star::container { class XContainer; } + + +namespace comphelper +{ + + + class OContainerListenerAdapter; + + //= OContainerListener + + /** a non-UNO container listener + <p>Useful if you have a non-refcountable class which should act as container listener.<br/> + In this case, derive this class from OContainerListener, and create an adapter + OContainerListenerAdapter which multiplexes the changes.</p> + */ + class COMPHELPER_DLLPUBLIC OContainerListener + { + friend class OContainerListenerAdapter; + protected: + rtl::Reference<OContainerListenerAdapter> m_xAdapter; + ::osl::Mutex& m_rMutex; + + public: + OContainerListener(::osl::Mutex& _rMutex); + virtual ~OContainerListener(); + + /// @throws css::uno::RuntimeException + virtual void _elementInserted( const css::container::ContainerEvent& _rEvent ); + /// @throws css::uno::RuntimeException + virtual void _elementRemoved( const css::container::ContainerEvent& _rEvent ); + /// @throws css::uno::RuntimeException + virtual void _elementReplaced( const css::container::ContainerEvent& _rEvent ); + /// @throws css::uno::RuntimeException + virtual void _disposing(const css::lang::EventObject& _rSource); + + protected: + void setAdapter(OContainerListenerAdapter* _pAdapter); + }; + + // workaround for incremental linking bugs in MSVC2015 + class SAL_DLLPUBLIC_TEMPLATE OContainerListenerAdapter_Base : public cppu::WeakImplHelper< css::container::XContainerListener > {}; + + class COMPHELPER_DLLPUBLIC OContainerListenerAdapter final : public OContainerListenerAdapter_Base + { + friend class OContainerListener; + + private: + css::uno::Reference< css::container::XContainer > + m_xContainer; + OContainerListener* m_pListener; + + virtual ~OContainerListenerAdapter() override; + + public: + OContainerListenerAdapter(OContainerListener* _pListener, + const css::uno::Reference< css::container::XContainer >& _rxContainer); + + // XEventListener + virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) override; + + // XContainerListener + virtual void SAL_CALL elementInserted( const css::container::ContainerEvent& Event ) override; + virtual void SAL_CALL elementRemoved( const css::container::ContainerEvent& Event ) override; + virtual void SAL_CALL elementReplaced( const css::container::ContainerEvent& Event ) override; + + /// dispose the object. No multiplexing anymore + void dispose(); + + }; + + +} // namespace dbaui + + +#endif // INCLUDED_COMPHELPER_CONTAINERMULTIPLEXER_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |