/*
 * Bittorrent Client using Qt and libtorrent.
 * Copyright (C) 2006-2012  Christophe Dumez <chris@qbittorrent.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, Boston, MA  02110-1301, USA.
 *
 * In addition, as a special exception, the copyright holders give permission to
 * link this program with the OpenSSL project's "OpenSSL" library (or with
 * modified versions of it that use the same license as the "OpenSSL" library),
 * and distribute the linked executables. 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), 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.
 */

#ifndef TORRENTCONTENTMODELFOLDER_H
#define TORRENTCONTENTMODELFOLDER_H

#include "torrentcontentmodelitem.h"

namespace BitTorrent
{
    enum class DownloadPriority;
}

class TorrentContentModelFolder final : public TorrentContentModelItem
{
public:
    // Folder constructor
    TorrentContentModelFolder(const QString &name, TorrentContentModelFolder *parent);

    // Invisible root item constructor
    explicit TorrentContentModelFolder(const QVector<QVariant> &data);

    ~TorrentContentModelFolder() override;

    ItemType itemType() const override;

    void increaseSize(qulonglong delta);
    void recalculateProgress();
    void recalculateAvailability();
    void updatePriority();

    void setPriority(BitTorrent::DownloadPriority newPriority, bool updateParent = true) override;

    void deleteAllChildren();
    const QVector<TorrentContentModelItem*> &children() const;
    void appendChild(TorrentContentModelItem *item);
    TorrentContentModelItem *child(int row) const;
    TorrentContentModelFolder *childFolderWithName(const QString &name) const;
    int childCount() const;

private:
    QVector<TorrentContentModelItem*> m_childItems;
};

#endif // TORRENTCONTENTMODELFOLDER_H