kmail

urlhandlermanager.h

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00001 /*  -*- c++ -*-
00002     urlhandlermanager.h
00003 
00004     This file is part of KMail, the KDE mail client.
00005     Copyright (c) 2003 Marc Mutz <mutz@kde.org>
00006 
00007     KMail is free software; you can redistribute it and/or modify it
00008     under the terms of the GNU General Public License, version 2, as
00009     published by the Free Software Foundation.
00010 
00011     KMail is distributed in the hope that it will be useful, but
00012     WITHOUT ANY WARRANTY; without even the implied warranty of
00013     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014     General Public License for more details.
00015 
00016     You should have received a copy of the GNU General Public License
00017     along with this program; if not, write to the Free Software
00018     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00019 
00020     In addition, as a special exception, the copyright holders give
00021     permission to link the code of this program with any edition of
00022     the Qt library by Trolltech AS, Norway (or with modified versions
00023     of Qt that use the same license as Qt), and distribute linked
00024     combinations including the two.  You must obey the GNU General
00025     Public License in all respects for all of the code used other than
00026     Qt.  If you modify this file, you may extend this exception to
00027     your version of the file, but you are not obligated to do so.  If
00028     you do not wish to do so, delete this exception statement from
00029     your version.
00030 */
00031 
00032 #ifndef __KMAIL_URLHANDLERMANAGER_H__
00033 #define __KMAIL_URLHANDLERMANAGER_H__
00034 
00035 #include <qvaluevector.h>
00036 
00037 class KURL;
00038 
00039 class QString;
00040 class QPoint;
00041 class KMReaderWin;
00042 
00043 namespace KMail {
00044 
00045   class URLHandler;
00046 
00047   namespace Interface {
00048     class BodyPartURLHandler;
00049   }
00050 
00055   class URLHandlerManager {
00056     static URLHandlerManager * self;
00057 
00058     URLHandlerManager();
00059   public:
00060     ~URLHandlerManager();
00061 
00062     static URLHandlerManager * instance() {
00063       if ( !self )
00064     self = new URLHandlerManager();
00065       return self;
00066     }
00067 
00068     void registerHandler( const URLHandler * handler );
00069     void unregisterHandler( const URLHandler * handler );
00070 
00071     void registerHandler( const Interface::BodyPartURLHandler * handler );
00072     void unregisterHandler( const Interface::BodyPartURLHandler * handler );
00073 
00074     bool handleClick( const KURL & url, KMReaderWin * w=0 ) const;
00075     bool handleContextMenuRequest( const KURL & url, const QPoint & p, KMReaderWin * w=0 ) const;
00076     QString statusBarMessage( const KURL & url, KMReaderWin * w=0 ) const;
00077 
00078   private:
00079     typedef QValueVector<const URLHandler*> HandlerList;
00080     HandlerList mHandlers;
00081     class BodyPartURLHandlerManager;
00082     BodyPartURLHandlerManager * mBodyPartURLHandlerManager;
00083   };
00084 
00085 } // namespace KMail
00086 
00087 #endif // __KMAIL_URLHANDLERMANAGER_H__
00088