cryptobackendfactory.h
00001 /* 00002 kleo/cryptobackendfactory.h 00003 00004 This file is part of libkleopatra, the KDE keymanagement library 00005 Copyright (c) 2004,2005 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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 TQt library by Trolltech AS, Norway (or with modified versions 00024 of TQt that use the same license as TQt), 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 TQt. 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 <tqobject.h> 00037 00038 #include "cryptobackend.h" 00039 #include <tdepimmacros.h> 00040 00041 #include <vector> 00042 #include <map> 00043 00044 namespace Kleo { 00045 class BackendConfigWidget; 00046 } 00047 00048 class TQString; 00049 class TDEConfig; 00050 00051 namespace Kleo { 00052 00053 struct lt_i_str { 00054 bool operator()( const char * one, const char * two ) const { 00055 return tqstricmp( one, two ) < 0; 00056 } 00057 }; 00058 00059 class KDE_EXPORT CryptoBackendFactory : public TQObject { 00060 Q_OBJECT 00061 00062 protected: 00063 CryptoBackendFactory(); 00064 ~CryptoBackendFactory(); 00065 public: 00066 static CryptoBackendFactory * instance(); 00067 00068 const CryptoBackend::Protocol * smime() const; 00069 const CryptoBackend::Protocol * openpgp() const; 00070 const CryptoBackend::Protocol * protocol( const char * name ) const; 00071 CryptoConfig * config() const; 00072 00073 const CryptoBackend * backend( unsigned int idx ) const; 00074 00075 bool hasBackends() const; 00076 00077 Kleo::BackendConfigWidget * configWidget( TQWidget * parent=0, const char * name=0 ) const; 00078 00079 TDEConfig* configObject() const; 00080 00081 // The preferred backend for smime (can be 0) - currently unused 00082 //const CryptoBackend* smimeBackend() const; 00083 // The preferred backend for openpgp (can be 0) - currently unused 00084 //const CryptoBackend* openpgpBackend() const; 00085 00086 // For BackendConfigWidget to save the configuration 00087 // 0 means no backend selected. 00088 void setSMIMEBackend( const CryptoBackend* backend ); 00089 void setOpenPGPBackend( const CryptoBackend* backend ); 00090 void setProtocolBackend( const char * name, const CryptoBackend * backend ); 00091 00092 void scanForBackends( TQStringList * reasons=0 ); 00093 00094 const char * enumerateProtocols( int i ) const; 00095 00096 bool knowsAboutProtocol( const char * name ) const; 00097 00098 protected: 00099 std::vector<CryptoBackend*> mBackendList; 00100 mutable TDEConfig* mConfigObject; 00101 typedef std::map<const char *, const CryptoBackend*, lt_i_str> BackendMap; 00102 BackendMap mBackends; 00103 typedef std::vector<const char *> ProtocolSet; 00104 ProtocolSet mAvailableProtocols; 00105 00106 private: 00107 const CryptoBackend * backendByName( const TQString& name ) const; 00108 void readConfig(); 00109 CryptoBackendFactory( const CryptoBackendFactory & ); 00110 void operator=( const CryptoBackendFactory & ); 00111 00112 static CryptoBackendFactory * mSelf; 00113 }; 00114 00115 00116 } 00117 00118 #endif // __KLEO_CRYPTOBACKENDFACTORY_H__