certmanager/lib

qgpgmejob.h
00001 /*
00002     qgpgmejob.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., 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_TQGPGMEJOB_H__
00034 #define __KLEO_TQGPGMEJOB_H__
00035 
00036 #include <gpgmepp/interfaces/progressprovider.h>
00037 #include <gpgmepp/interfaces/passphraseprovider.h>
00038 
00039 #include <gpgmepp/key.h>
00040 #include <gpgmepp/context.h>
00041 
00042 #include <tqcstring.h>
00043 #include <tqstring.h>
00044 
00045 #include <vector>
00046 #include <kdepimmacros.h>
00047 
00048 namespace GpgME {
00049   class Data;
00050 }
00051 
00052 namespace Kleo {
00053   class Job;
00054 }
00055 
00056 namespace QGpgME {
00057   class TQByteArrayDataProvider;
00058 }
00059 
00060 class TQString;
00061 class TQStringList;
00062 
00063 namespace Kleo {
00064 
00078   class KDE_EXPORT QGpgMEJob : public GpgME::ProgressProvider, public GpgME::PassphraseProvider {
00079   public:
00080     QGpgMEJob( Kleo::Job * _this, GpgME::Context * context );
00081     ~QGpgMEJob();
00082 
00083   protected:
00086     virtual void doOperationDoneEvent( const GpgME::Error & e ) = 0;
00088     void hookupContextToEventLoopInteractor();
00090     void setPatterns( const TQStringList & sl, bool allowEmpty=false );
00092     unsigned int numPatterns() const { return mNumPatterns; }
00094     const char* * nextChunk();
00096     const char* * patterns() const;
00098     void setChunkSize( unsigned int size );
00100     unsigned int chunkSize() const { return mChunkSize; }
00102     void createOutData();
00105     void createInData( const TQByteArray & in );
00107     GpgME::Error setSigningKeys( const std::vector<GpgME::Key> & signers );
00109     void doSlotOperationDoneEvent( GpgME::Context * context, const GpgME::Error & e );
00111     void getAuditLog();
00112 
00113     //
00114     // only boring stuff below this line...
00115     //
00116 
00117   protected:
00118     virtual void doEmitProgressSignal( const TQString & what, int current, int total ) = 0;
00119     virtual void doEmitDoneSignal() = 0;
00120     void doSlotCancel();
00121     TQString auditLogAsHtml() const { return mAuditLogAsHtml; }
00122     GpgME::Error auditLogError() const { return mAuditLogError; }
00123 
00124   private:
00126     void showProgress( const char * what, int type, int current, int total );
00127     char * getPassphrase( const char * useridHint, const char * description,
00128               bool previousWasBad, bool & canceled );
00129     void deleteAllPatterns();
00130 
00131   public:
00132     void checkInvariants() const;
00133 
00134   protected:
00135     Kleo::Job * mThis;
00136     GpgME::Context * mCtx;
00137     GpgME::Data * mInData;
00138     QGpgME::TQByteArrayDataProvider * mInDataDataProvider;
00139     GpgME::Data * mOutData;
00140     QGpgME::TQByteArrayDataProvider * mOutDataDataProvider;
00141   private:
00142     const char* * mPatterns;
00143     // holds the entry - if any - in mPattern that was replaced with
00144     // NULL to create a temporary end-of-array marker for gpgme:
00145     const char * mReplacedPattern;
00146     unsigned int mNumPatterns;
00147     unsigned int mChunkSize;
00148     unsigned int mPatternStartIndex, mPatternEndIndex;
00149     GpgME::Error mAuditLogError;
00150     TQString mAuditLogAsHtml;
00151   };
00152 
00153 }
00154 
00155 #define make_slot_cancel private: void slotCancel() { QGpgMEJob::doSlotCancel(); }
00156 #define make_progress_emitter private: void doEmitProgressSignal( const TQString & what, int cur, int tot ) { emit progress( what, cur, tot ); }
00157 #define make_done_emitter private: void doEmitDoneSignal() { emit done(); }
00158 #define make_auditLogAsHtml private: TQString auditLogAsHtml() const { return QGpgMEJob::auditLogAsHtml(); } GpgME::Error auditLogError() const { return QGpgMEJob::auditLogError(); }
00159 #define TQGPGME_JOB make_slot_cancel make_progress_emitter make_done_emitter make_auditLogAsHtml
00160 
00161 #endif // __KLEO_TQGPGMEJOB_H__