libkcal

comparisonvisitor.h
00001 /*
00002   Copyright 2009 Ingo Klöcker <kloecker@kde.org>
00003 
00004   This library is free software; you can redistribute it and/or modify it
00005   under the terms of the GNU Library General Public License as published by
00006   the Free Software Foundation; either version 2 of the License, or (at your
00007   option) any later version.
00008 
00009   This library is distributed in the hope that it will be useful, but WITHOUT
00010   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00011   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
00012   License for more details.
00013 
00014   You should have received a copy of the GNU Library General Public License
00015   along with this library; see the file COPYING.LIB.  If not, write to the
00016   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
00017   02110-1301, USA.
00018 */
00019 
00020 #ifndef KCAL_COMPARISONVISITOR_H
00021 #define KCAL_COMPARISONVISITOR_H
00022 
00023 #include "incidencebase.h"
00024 
00025 namespace KCal {
00026 
00050 class ComparisonVisitor : public IncidenceBase::Visitor
00051 {
00052   public:
00056     ComparisonVisitor();
00057 
00061     virtual ~ComparisonVisitor();
00062 
00079     bool compare( IncidenceBase *incidence, const IncidenceBase *reference );
00080 
00087     virtual bool visit( Event *event );
00088 
00095     virtual bool visit( Todo *todo );
00096 
00103     virtual bool visit( Journal *journal );
00104 
00111     virtual bool visit( FreeBusy *freebusy );
00112 
00113   private:
00114     //@cond PRIVATE
00115     class Private;
00116     Private *const d;
00117     //@endcond
00118 };
00119 
00120 }
00121 
00122 #endif // KCAL_COMPARISONVISITOR_H