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/*
decryptjob.h
This file is part of libkleopatra, the KDE keymanagement library
Copyright (c) 2004 Klarälvdalens Datakonsult AB
Libkleopatra is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
Libkleopatra 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 TQt library by Trolltech AS, Norway (or with modified versions
of TQt that use the same license as TQt), 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
TQt. 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 __KLEO_DECRYPTJOB_H__
#define __KLEO_DECRYPTJOB_H__
#include "job.h"
#include <tqcstring.h>
namespace GpgME {
class Error;
class Key;
class DecryptionResult;
}
namespace Kleo {
/**
@short An abstract base class for asynchronous decrypters
To use a DecryptJob, first obtain an instance from the
CryptoBackend implementation, connect the progress() and result()
signals to suitable slots and then start the decryption with a
call to start(). This call might fail, in which case the
DecryptJob instance will have scheduled it's own destruction with
a call to TQObject::deleteLater().
After result() is emitted, the DecryptJob will schedule it's own
destruction by calling TQObject::deleteLater().
*/
class DecryptJob : public Job {
Q_OBJECT
TQ_OBJECT
protected:
DecryptJob( TQObject * parent, const char * name );
public:
~DecryptJob();
/**
Starts the decryption operation. \a cipherText is the data to
decrypt.
*/
virtual GpgME::Error start( const TQByteArray & cipherText ) = 0;
virtual GpgME::DecryptionResult exec( const TQByteArray & cipherText,
TQByteArray & plainText ) = 0;
signals:
void result( const GpgME::DecryptionResult & result, const TQByteArray & plainText );
};
}
#endif // __KLEO_DECRYPTJOB_H__
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