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/*
* 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 DIRECTORYSCANNER_H
#define DIRECTORYSCANNER_H
#define QS_THR_EVENT_ID 65200
#include <qobject.h>
#include <qthread.h>
namespace KFTPQueue {
class Transfer;
class Manager;
}
/**
* This class can be used to scan a local directory using a separate
* thread and create any needed child transfers.
*
* @author Jernej Kos <kostko@jweb-network.net>
*/
class DirectoryScanner : public QObject {
Q_OBJECT
friend class KFTPQueue::Manager;
public:
/**
* Class constructor.
*
* @param transfer The transfer to scan
*/
DirectoryScanner(KFTPQueue::Transfer *transfer);
protected:
void customEvent(QCustomEvent *e);
private:
/**
* An event posted by the scanner thread.
*/
class ScannerThreadEvent : public QCustomEvent
{
public:
ScannerThreadEvent(void *data)
: QCustomEvent((QEvent::Type) QS_THR_EVENT_ID, data) {}
};
/**
* The actual thread that does the scanning.
*/
class ScannerThread : public QThread {
public:
ScannerThread(QObject *parent, KFTPQueue::Transfer *item);
protected:
/**
* Thread entry point.
*/
void run();
private:
QObject *m_parent;
KFTPQueue::Transfer *m_item;
/**
* A method to recursively scan a given folder.
*/
void scanFolder(KFTPQueue::Transfer *parent);
};
signals:
/**
* This signal is emitted when scanning complets. This object is automaticly
* destroyed immediately after the signal returns!
*/
void completed();
};
#endif
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