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Diffstat (limited to 'certmanager/lib/kleo/downloadjob.h')
-rw-r--r-- | certmanager/lib/kleo/downloadjob.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/certmanager/lib/kleo/downloadjob.h b/certmanager/lib/kleo/downloadjob.h new file mode 100644 index 000000000..006ab8ebd --- /dev/null +++ b/certmanager/lib/kleo/downloadjob.h @@ -0,0 +1,83 @@ +/* + downloadjob.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_DOWNLOADJOB_H__ +#define __KLEO_DOWNLOADJOB_H__ + +#include "job.h" + +#include <qcstring.h> + +namespace GpgME { + class Error; +} + +class QStringList; + +namespace Kleo { + + /** + @short An abstract base class for asynchronous downloaders + + To use a DownloadJob, first obtain an instance from the + CryptoBackend implementation, connect the progress() and result() + signals to suitable slots and then start the download with a call + to start(). This call might fail, in which case the DownloadJob + instance will have scheduled it's own destruction with a call to + QObject::deleteLater(). + + After result() is emitted, the DownloadJob will schedule it's own + destruction by calling QObject::deleteLater(). + */ + class DownloadJob : public Job { + Q_OBJECT + protected: + DownloadJob( QObject * parent, const char * name ); + public: + ~DownloadJob(); + + /** + Starts the download operation. \a fingerprints is a list of + fingerprints used to specify the list of keys downloaded. Empty + patterns are ignored. If \a fingerprints is empty, contains + only empty strings or anything other than fingerprints, the + result is undefined. + */ + virtual GpgME::Error start( const QStringList & fingerprints ) = 0; + + signals: + void result( const GpgME::Error & result, const QByteArray & keyData ); + }; + +} + +#endif // __KLEO_DOWNLOADJOB_H__ |