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/*
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job.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_JOB_H__
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#define __KLEO_JOB_H__
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#include <tqobject.h>
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#include <tqstring.h>
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class QWidget;
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namespace Kleo {
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/**
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@short An abstract base class for asynchronous crypto operations
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During the operation, you might receive progress updates through
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the progress() signal as they arrive, but an implementation is
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free to not send progress information. You should show a busy
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progressbar until the first progress() signal is received.
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The done() signal is emitted _before_ the result() signals of
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subclasses and should be used to hide and/or reset progress bars,
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not to learn of the end of the operation. Use the result()
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signals for that.
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To cancel the operation, simply call slotCancel(). The result()
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signal of subclasses will still be emitted, though, and will
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carry the information that the operation was canceled.
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*/
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class Job : public TQObject {
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Q_OBJECT
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protected:
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Job( TQObject * parent, const char * name );
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public:
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~Job();
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virtual void showErrorDialog( TQWidget * parent=0, const TQString & caption=TQString::null ) const;
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virtual TQString auditLogAsHtml() const;
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public slots:
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virtual void slotCancel() = 0;
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signals:
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void progress( const TQString & what, int current, int total );
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void done();
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};
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}
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#endif // __KLEO_JOB_H__
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