diff options
Diffstat (limited to 'kftpgrabber/src/queuegroup.h')
-rw-r--r-- | kftpgrabber/src/queuegroup.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/kftpgrabber/src/queuegroup.h b/kftpgrabber/src/queuegroup.h new file mode 100644 index 0000000..a8c3562 --- /dev/null +++ b/kftpgrabber/src/queuegroup.h @@ -0,0 +1,104 @@ +/* + * This file is part of the KFTPGrabber project + * + * Copyright (C) 2003-2006 by the KFTPGrabber developers + * Copyright (C) 2003-2006 Jernej Kos <kostko@jweb-network.net> + * + * This program 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. + * + * This program is distributed in the hope that it will be useful, but + * is provided AS IS, WITHOUT ANY WARRANTY; without even the implied + * warranty of MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, and + * NON-INFRINGEMENT. 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 Steet, Fifth Floor, Boston, + * MA 02110-1301, USA. + * + * In addition, as a special exception, the copyright holders give + * permission to link the code of portions of this program with the + * OpenSSL library under certain conditions as described in each + * individual source file, 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 OpenSSL. If you modify + * file(s) with this exception, you may extend this exception to your + * version of the file(s), but you are not obligated to do so. If you + * do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source + * files in the program, then also delete it here. + */ +#ifndef KFTPQUEUEQUEUEGROUP_H +#define KFTPQUEUEQUEUEGROUP_H + +#include <qguardedptr.h> +#include <qptrlist.h> + +namespace KFTPQueue { + +class QueueObject; +class Transfer; + +/** + * This class manages a group of child queue objects so they get + * executed in the proper order. + * + * Note that all child transfers that are grouped together must be + * part of the same session, otherwise unexpected behavior may + * ocurr. + * + * @author Jernej Kos + */ +class QueueGroup : public QObject { +Q_OBJECT +public: + /** + * Class constructor. + * + * @param object The queue object to manage + */ + QueueGroup(QueueObject *object); + + /** + * Reset the group. + */ + void reset(); + + /** + * Execute the next transfer in list. + * + * @return 1 if the transfer has been executed, 0 or -1 otherwise + */ + int executeNextTransfer(); +public slots: + /** + * Increment the current iterator and call executeNextTransfer method. + */ + void incrementAndExecute(); +private: + QueueObject *m_object; + QPtrListIterator<QueueObject> m_childIterator; + QGuardedPtr<Transfer> m_lastTransfer; + bool m_directories; +signals: + /** + * This signal gets emitted when there is nothing more to do in the + * queue. + */ + void done(); + + /** + * This signal gets emitted when the group processing is interrupted + * due to abort. + */ + void interrupted(); +}; + +} + +#endif |