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80 lines
2.6 KiB
80 lines
2.6 KiB
/* -*- c++ -*- |
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headerstrategy.h |
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This file is part of KMail, the KDE mail client. |
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Copyright (c) 2003 Marc Mutz <mutz@kde.org> |
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KMail is free software; you can redistribute it and/or modify it |
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under the terms of the GNU General Public License, version 2, as |
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published by the Free Software Foundation. |
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KMail is distributed in the hope that it will be useful, but |
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WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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In addition, as a special exception, the copyright holders give |
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permission to link the code of this program with any edition of |
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the Qt library by Trolltech AS, Norway (or with modified versions |
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of Qt that use the same license as Qt), and distribute linked |
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combinations including the two. You must obey the GNU General |
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Public License in all respects for all of the code used other than |
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Qt. If you modify this file, you may extend this exception to |
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your version of the file, but you are not obligated to do so. If |
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you do not wish to do so, delete this exception statement from |
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your version. |
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*/ |
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#ifndef __KMAIL_HEADERSTRATEGY_H__ |
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#define __KMAIL_HEADERSTRATEGY_H__ |
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class QString; |
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class QStringList; |
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namespace KMail { |
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class HeaderStrategy { |
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protected: |
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HeaderStrategy(); |
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virtual ~HeaderStrategy(); |
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public: |
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// |
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// Factory methods: |
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// |
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enum Type { All, Rich, Standard, Brief, Custom }; |
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static const HeaderStrategy * create( Type type ); |
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static const HeaderStrategy * create( const QString & type ); |
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static const HeaderStrategy * all(); |
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static const HeaderStrategy * rich(); |
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static const HeaderStrategy * standard(); |
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static const HeaderStrategy * brief(); |
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static const HeaderStrategy * custom(); |
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// |
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// Methods for handling the strategies: |
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// |
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virtual const char * name() const = 0; |
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virtual const HeaderStrategy * next() const = 0; |
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virtual const HeaderStrategy * prev() const = 0; |
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// |
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// HeaderStrategy interface: |
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// |
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enum DefaultPolicy { Display, Hide }; |
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virtual QStringList headersToDisplay() const; |
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virtual QStringList headersToHide() const; |
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virtual DefaultPolicy defaultPolicy() const = 0; |
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virtual bool showHeader( const QString & header ) const; |
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}; |
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} // namespace KMail |
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#endif // __KMAIL_HEADERSTRATEGY_H__
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