19be86249d
Use range-based loop or replace with STL functions. Change-Id: Ide2f89194238ae6a1f21e8132e2297710d9e6dcd Reviewed-on: https://gerrit.libreoffice.org/61756 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
80 lines
2.1 KiB
C++
80 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_VCL_IMPDEL_HXX
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#define INCLUDED_VCL_IMPDEL_HXX
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#include <list>
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namespace vcl
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{
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class DeletionListener;
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class DeletionNotifier
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{
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std::list< DeletionListener* > m_aListeners;
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protected:
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DeletionNotifier() {}
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~DeletionNotifier()
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{ notifyDelete(); }
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inline void notifyDelete();
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public:
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void addDel( DeletionListener* pListener )
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{ m_aListeners.push_back( pListener ); }
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void removeDel( DeletionListener* pListener )
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{ m_aListeners.remove( pListener ); }
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};
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class DeletionListener
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{
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DeletionNotifier* m_pNotifier;
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public:
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DeletionListener( DeletionNotifier* pNotifier )
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: m_pNotifier( pNotifier )
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{
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if( m_pNotifier )
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m_pNotifier->addDel( this );
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}
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~DeletionListener()
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{
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if( m_pNotifier )
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m_pNotifier->removeDel( this );
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}
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void deleted() { m_pNotifier = nullptr; }
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bool isDeleted() const { return (m_pNotifier == nullptr); }
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};
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inline void DeletionNotifier::notifyDelete()
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{
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for( auto& rListener : m_aListeners )
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rListener->deleted();
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m_aListeners.clear();
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}
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} // namespace vcl
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#endif // INCLUDED_VCL_IMPDEL_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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