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diff --git a/kmail/headerstyle.h b/kmail/headerstyle.h
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+/*  -*- c++ -*-
+    headerstyle.h
+
+    This file is part of KMail, the KDE mail client.
+    Copyright (c) 2003 Marc Mutz <mutz@kde.org>
+
+    KMail is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License, version 2, as
+    published by the Free Software Foundation.
+
+    KMail is distributed in the hope that it will be useful, but
+    WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of this program with any edition of
+    the Qt library by Trolltech AS, Norway (or with modified versions
+    of Qt that use the same license as Qt), and distribute linked
+    combinations including the two.  You must obey the GNU General
+    Public License in all respects for all of the code used other than
+    Qt.  If you modify this file, you may extend this exception to
+    your version of the file, but you are not obligated to do so.  If
+    you do not wish to do so, delete this exception statement from
+    your version.
+*/
+
+#ifndef __KMAIL_HEADERSTYLE_H__
+#define __KMAIL_HEADERSTYLE_H__
+
+class QString;
+class KMMessage;
+
+namespace KMail {
+
+  class HeaderStrategy;
+
+  /** This class encapsulates the visual appearance of message
+      headers. Together with HeaderStrategy, which determines
+      which of the headers present in the message be shown, it is
+      responsible for the formatting of message headers.
+
+      @short Encapsulates visual appearance of message headers.
+      @author Marc Mutz <mutz@kde.org>
+      @see HeaderStrategy
+  **/
+  class HeaderStyle {
+  protected:
+    HeaderStyle();
+    virtual ~HeaderStyle();
+
+  public:
+    //
+    // Factory methods:
+    //
+    enum Type { Brief, Plain, Fancy, Enterprise };
+
+    static const HeaderStyle * create( Type type );
+    static const HeaderStyle * create( const QString & type );
+
+    static const HeaderStyle * brief();
+    static const HeaderStyle * plain();
+    static const HeaderStyle * fancy();
+    static const HeaderStyle * enterprise();
+
+    //
+    // Methods for handling the styles:
+    //
+    virtual const char * name() const = 0;
+    virtual const HeaderStyle * next() const = 0;
+    virtual const HeaderStyle * prev() const = 0;
+
+    //
+    // HeaderStyle interface:
+    //
+    virtual QString format( const KMMessage * message,
+			    const KMail::HeaderStrategy * strategy,
+			    const QString & vCardName,
+			    bool printing=false, bool topLevel = false ) const = 0;
+  };
+
+} // namespace KMail
+
+#endif // __KMAIL_HEADERSTYLE_H__