certmanager Library API Documentation

cryptobackendfactory.h

00001 /*
00002     kleo/cryptobackendfactory.h
00003 
00004     This file is part of libkleopatra, the KDE keymanagement library
00005     Copyright (c) 2004 Klarälvdalens Datakonsult AB
00006 
00007     Libkleopatra is free software; you can redistribute it and/or
00008     modify it under the terms of the GNU General Public License as
00009     published by the Free Software Foundation; either version 2 of the
00010     License, or (at your option) any later version.
00011 
00012     Libkleopatra is distributed in the hope that it will be useful,
00013     but WITHOUT ANY WARRANTY; without even the implied warranty of
00014     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015     General Public License for more details.
00016 
00017     You should have received a copy of the GNU General Public License
00018     along with this program; if not, write to the Free Software
00019     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00020 
00021     In addition, as a special exception, the copyright holders give
00022     permission to link the code of this program with any edition of
00023     the Qt library by Trolltech AS, Norway (or with modified versions
00024     of Qt that use the same license as Qt), and distribute linked
00025     combinations including the two.  You must obey the GNU General
00026     Public License in all respects for all of the code used other than
00027     Qt.  If you modify this file, you may extend this exception to
00028     your version of the file, but you are not obligated to do so.  If
00029     you do not wish to do so, delete this exception statement from
00030     your version.
00031 */
00032 
00033 #ifndef __KLEO_CRYPTOBACKENDFACTORY_H__
00034 #define __KLEO_CRYPTOBACKENDFACTORY_H__
00035 
00036 #include <qobject.h>
00037 #include <qvaluevector.h>
00038 
00039 #include "cryptobackend.h"
00040 
00041 namespace Kleo {
00042   class BackendConfigWidget;
00043 }
00044 
00045 class QString;
00046 class KConfig;
00047 
00048 namespace Kleo {
00049 
00050   class CryptoBackendFactory : public QObject {
00051     Q_OBJECT
00052   protected:
00053     CryptoBackendFactory();
00054     ~CryptoBackendFactory();
00055   public:
00056     static CryptoBackendFactory * instance();
00057 
00058     const CryptoBackend::Protocol * smime() const;
00059     const CryptoBackend::Protocol * openpgp() const;
00060     CryptoConfig * config() const;
00061 
00062     const CryptoBackend * backend( unsigned int idx ) const;
00063 
00064     bool hasBackends() const;
00065 
00066     Kleo::BackendConfigWidget * configWidget( QWidget * parent=0, const char * name=0 ) const;
00067 
00068     KConfig* configObject() const;
00069 
00070     // The preferred backend for smime (can be 0) - currently unused
00071     //const CryptoBackend* smimeBackend() const;
00072     // The preferred backend for openpgp (can be 0) - currently unused
00073     //const CryptoBackend* openpgpBackend() const;
00074 
00075     // For BackendConfigWidget to save the configuration
00076     // 0 means no backend selected.
00077     void setSMIMEBackend( const CryptoBackend* backend );
00078     void setOpenPGPBackend( const CryptoBackend* backend );
00079 
00080     void scanForBackends( QStringList * reasons=0 );
00081 
00082   protected:
00083     QValueVector<CryptoBackend*> mBackendList;
00084     mutable KConfig* mConfigObject;
00085     const CryptoBackend* mSMIMEBackend;
00086     const CryptoBackend* mOpenPGPBackend;
00087 
00088   private:
00089     const CryptoBackend * backendByName( const QString& name ) const;
00090     void readConfig();
00091     CryptoBackendFactory( const CryptoBackendFactory & );
00092     void operator=( const CryptoBackendFactory & );
00093 
00094     static CryptoBackendFactory * mSelf;
00095   };
00096 
00097 
00098 }
00099 
00100 #endif // __KLEO_CRYPTOBACKENDFACTORY_H__
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This file is part of the documentation for certmanager Library Version 3.3.2.
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