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/*
keylistjob.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 Qt library by Trolltech AS, Norway (or with modified versions
of Qt that use the same license as Qt), 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
Qt. 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_KEYLISTJOB_H__
#define __KLEO_KEYLISTJOB_H__
#include "job.h"
#include <vector>
namespace GpgME {
class Error;
class Key;
class KeyListResult;
}
class QStringList;
namespace Kleo {
/**
@short An abstract base class for asynchronous key listers
To use a KeyListJob, first obtain an instance from the
CryptoBackend implementation, connect the nextKey(), progress()
and result() signals to suitable slots and then start the key
listing with a call to start(). This call might fail, in which
case the KeylistJob instance will have schedules it's own
destruction with a call to QObject::deleteLater().
During keylisting, you will receive new key objects through the
nextKey() signal as they arrive. After result() is emitted, the
KeyListJob will schedule it's own destruction by calling
QObject::deleteLater().
*/
class KeyListJob : public Job {
Q_OBJECT
protected:
KeyListJob( QObject * parent, const char * name );
public:
~KeyListJob();
/**
Starts the keylist operation. \a pattern is a list of patterns
used to restrict the list of keys returned. Empty patterns are
ignored. If \a pattern is empty or contains only empty strings,
all keys are returned (however, the backend is free to truncate
the result and should do so; when this happens, it will be
reported by the reult object).
If \a secretOnly is true, only keys for which the secret key is
also available are returned. Use this if you need to select a
key for signing.
*/
virtual GpgME::Error start( const QStringList & patterns, bool secretOnly=false ) = 0;
virtual GpgME::KeyListResult exec( const QStringList & patterns, bool secretOnly, std::vector<GpgME::Key> & keys ) = 0;
signals:
void nextKey( const GpgME::Key & key );
void result( const GpgME::KeyListResult & result );
};
}
#endif // __KLEO_KEYLISTJOB_H__
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