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/*
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specialjob.h
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This file is part of libkleopatra, the KDE keymanagement library
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Copyright (c) 2004 Klar<EFBFBD>lvdalens Datakonsult AB
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Libkleopatra is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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Libkleopatra is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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In addition, as a special exception, the copyright holders give
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permission to link the code of this program with any edition of
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the Qt library by Trolltech AS, Norway (or with modified versions
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of Qt that use the same license as Qt), and distribute linked
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combinations including the two. You must obey the GNU General
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Public License in all respects for all of the code used other than
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Qt. If you modify this file, you may extend this exception to
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your version of the file, but you are not obligated to do so. If
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you do not wish to do so, delete this exception statement from
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your version.
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*/
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#ifndef __KLEO_SPECIALJOB_H__
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#define __KLEO_SPECIALJOB_H__
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#include "job.h"
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namespace GpgME {
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class Error;
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}
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namespace Kleo {
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/**
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@short An abstract base class for protocol-specific jobs
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To use a SpecialJob, first obtain an instance from the
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CryptoBackend implementation, connect progress() and result()
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signals to suitable slots and then start the job with a call to
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start(). This call might fail, in which case the SpecialJob
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instance will have schedules its own destruction with a call to
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QObject::deleteLater().
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After result() is emitted, the SpecialJob will schedule its own
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destruction by calling QObject::deleteLater().
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Parameters are set using the Qt property system. More general, or
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constructor parameters are given in the call to
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Kleo::CryptoBackend::Protocol::specialJob().
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The result is made available through the result signal, and
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through the read-only result property, the latter of which needs
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to be defined in each SpecialJob subclass.
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*/
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class SpecialJob : public Job {
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Q_OBJECT
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protected:
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SpecialJob( QObject * parent, const char * name );
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public:
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~SpecialJob();
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/**
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Starts the special operation.
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*/
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virtual GpgME::Error start() = 0;
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virtual GpgME::Error exec() = 0;
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signals:
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void result( const GpgME::Error & result, const QVariant & data );
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};
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}
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#endif // __KLEO_SPECIALJOB_H__
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