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81 lines
2.6 KiB
81 lines
2.6 KiB
15 years ago
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/* -*- 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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