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0001 /*  This file is part of the KDE project
0002     Copyright (C) 2006 Matthias Kretz <kretz@kde.org>
0003 
0004     This library is free software; you can redistribute it and/or
0005     modify it under the terms of the GNU Lesser General Public
0006     License as published by the Free Software Foundation; either
0007     version 2.1 of the License, or (at your option) version 3, or any
0008     later version accepted by the membership of KDE e.V. (or its
0009     successor approved by the membership of KDE e.V.), Nokia Corporation 
0010     (or its successors, if any) and the KDE Free Qt Foundation, which shall
0011     act as a proxy defined in Section 6 of version 3 of the license.
0012 
0013     This library is distributed in the hope that it will be useful,
0014     but WITHOUT ANY WARRANTY; without even the implied warranty of
0015     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0016     Lesser General Public License for more details.
0017 
0018     You should have received a copy of the GNU Lesser General Public 
0019     License along with this library.  If not, see <http://www.gnu.org/licenses/>.
0020 
0021 */
0022 
0023 #ifndef MEDIANODEDESTRUCTIONHANDLER_P_H
0024 #define MEDIANODEDESTRUCTIONHANDLER_P_H
0025 
0026 #include <qglobal.h>
0027 
0028 
0029 namespace Phonon
0030 {
0031 /**
0032  * \internal
0033  *
0034  * Callback interface to keep track of Phonon frontend object destruction.
0035  *
0036  * \author Matthias Kretz <kretz@kde.org>
0037  */
0038 
0039 class MediaNodePrivate;
0040 
0041 class MediaNodeDestructionHandler
0042 {
0043     friend class MediaNodePrivate;
0044 
0045 public:
0046     virtual ~MediaNodeDestructionHandler() {}
0047 protected:
0048     /**
0049      * \internal
0050      * called from Base::~Base if this object was registered
0051      * using BasePrivate::addDestructionHandler().
0052      */
0053     virtual void phononObjectDestroyed(MediaNodePrivate *) = 0;
0054 };
0055 }
0056 
0057 
0058 #endif // MEDIANODEDESTRUCTIONHANDLER_P_H