// vim: set tabstop=4 shiftwidth=4 noexpandtab:
/*
Gwenview: an image viewer
Copyright 2009 Aurélien Gâteau <agateau@kde.org>

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 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, Cambridge, MA 02110-1301, USA.

*/
#ifndef DOCUMENTDIRFINDER_H
#define DOCUMENTDIRFINDER_H

// Qt
#include <QObject>

// KDE
#include <kfileitem.h>

// Local

namespace Gwenview {


class DocumentDirFinderPrivate;

/**
 * This class is a worker which tries to find the document dir given a root
 * url. This is useful for digital camera cards, which often have a dir
 * hierarchy like this:
 * /DCIM
 *   /FOOBAR
 *     /PICT0001.JPG
 *     /PICT0002.JPG
 *     ...
 *     /PICTnnnn.JPG
 */
class DocumentDirFinder : public QObject {
	Q_OBJECT
public:
	enum Status {
		NoDocumentFound,
		DocumentDirFound,
		MultipleDirsFound
	};

	DocumentDirFinder(const KUrl& rootUrl);
	~DocumentDirFinder();

	void start();

Q_SIGNALS:
	void done(const KUrl&, DocumentDirFinder::Status);

private Q_SLOTS:
	void slotItemsAdded(const KUrl&, const KFileItemList&);
	void slotCompleted();

private:
	DocumentDirFinderPrivate* const d;
	void finish(const KUrl&, Status);
};


} // namespace

#endif /* DOCUMENTDIRFINDER_H */