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0001 /* This file is part of the KDE project
0002    Copyright (C) 2010 KO GmbH <ben.martin@kogmbh.com>
0003 
0004    This library is free software; you can redistribute it and/or
0005    modify it under the terms of the GNU Library General Public
0006    License as published by the Free Software Foundation; either
0007    version 2 of the License, or (at your option) any later version.
0008 
0009    This library is distributed in the hope that it will be useful,
0010    but WITHOUT ANY WARRANTY; without even the implied warranty of
0011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0012    Library General Public License for more details.
0013 
0014    You should have received a copy of the GNU Library General Public License
0015    along with this library; see the file COPYING.LIB.  If not, write to
0016    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
0017  * Boston, MA 02110-1301, USA.
0018 */
0019 
0020 #ifndef __KoChangeTrackerDisabledRAII_h__
0021 #define __KoChangeTrackerDisabledRAII_h__
0022 
0023 class KoChangeTracker;
0024 
0025 /**
0026  * @short Disable a change tracker and automatically reset it when
0027  *        this object is destroyed.
0028  *
0029  * Resource Acquisition Is Initialization pattern to temporarily
0030  * disable the ChangeTracker. Useful for cases where high level
0031  * activities like applying a semantic stylesheet are performed where
0032  * you might like to add a higher level action to the change tracker
0033  * than just text substitution.
0034  *
0035  * @author Ben Martin <ben.martin@kogmbh.com>
0036  * @see KoChangeTracker
0037  *
0038  */
0039 class KoChangeTrackerDisabledRAII
0040 {
0041 public:
0042     explicit KoChangeTrackerDisabledRAII(KoChangeTracker *changeTracker);
0043     ~KoChangeTrackerDisabledRAII();
0044 
0045 private:
0046     KoChangeTracker *m_changeTracker;
0047     bool m_oldval;
0048 };
0049 
0050 #endif