#ifndef FEEDSPROXYMODEL_H
#define FEEDSPROXYMODEL_H

#include <QSortFilterProxyModel>


class FeedsModel;

class FeedsProxyModel : public QSortFilterProxyModel {
    Q_OBJECT

  public:
    // Constructors and destructors.
    explicit FeedsProxyModel(QObject *parent = 0);
    virtual ~FeedsProxyModel();

    // Access to the source model.
    inline FeedsModel *sourceModel() {
      return m_sourceModel;
    }

    // Maps list of indexes.
    QModelIndexList mapListToSource(const QModelIndexList &indexes);
    QModelIndexList mapListFromSource(const QModelIndexList &indexes);

  protected:
    // Compares two rows of data.
    bool lessThan(const QModelIndex &left, const QModelIndex &right) const;

  private:
    // Source model pointer.
    FeedsModel *m_sourceModel;
};

#endif // FEEDSPROXYMODEL_H