/*
 * This file Copyright (C) 2009-2015 Mnemosyne LLC
 *
 * It may be used under the GNU GPL versions 2 or 3
 * or any future license endorsed by Mnemosyne LLC.
 *
 * $Id$
 */

#ifndef QTR_TORRENT_FILTER_H
#define QTR_TORRENT_FILTER_H

#include <QSortFilterProxyModel>

class QString;

class FilterMode;
class Prefs;
class Torrent;

class TorrentFilter: public QSortFilterProxyModel
{
    Q_OBJECT

  public:
    enum TextMode
    {
      FILTER_BY_NAME,
      FILTER_BY_FILES,
      FILTER_BY_TRACKER
    };

  public:
    TorrentFilter (const Prefs& prefs);
    virtual ~TorrentFilter ();

    int hiddenRowCount () const;

    void countTorrentsPerMode (int * setmeCounts) const;

  protected:
    // QSortFilterProxyModel
    virtual bool filterAcceptsRow (int, const QModelIndex&) const;
    virtual bool lessThan (const QModelIndex&, const QModelIndex&) const;

  private:
    bool activityFilterAcceptsTorrent (const Torrent * tor, const FilterMode& mode) const;
    bool trackerFilterAcceptsTorrent (const Torrent * tor, const QString& tracker) const;

  private slots:
    void refreshPref (int key);

  private:
    const Prefs& myPrefs;
};

#endif // QTR_TORRENT_FILTER_H