modelinvariantrowmapper.h

/******************************************************************************
 *
 *  Copyright 2008 Szymon Tomasz Stefanek <[email protected]>
 *
 *  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.
 *
 *******************************************************************************/

#ifndef MESSAGELIST_CORE_MODELINVARIANTROWMAPPER_H
#define MESSAGELIST_CORE_MODELINVARIANTROWMAPPER_H

#include <QObject>
#include <QHash>
#include <QList>

#include <core/modelinvariantindex.h>

namespace MessageList {
namespace Core {
class ModelInvariantRowMapper;
class ModelInvariantRowMapperPrivate;

class ModelInvariantRowMapper : public QObject
{
    friend class ModelInvariantIndex;

    Q_OBJECT

public:
    explicit ModelInvariantRowMapper();
    ~ModelInvariantRowMapper() override;

    void setLazyUpdateChunkInterval(int chunkInterval);

    void setLazyUpdateIdleInterval(int idleInterval);

    int modelInvariantIndexToModelIndexRow(ModelInvariantIndex *invariant);

    void createModelInvariantIndex(int modelIndexRow, ModelInvariantIndex *invariantToFill);

    ModelInvariantIndex *modelIndexRowToModelInvariantIndex(int modelIndexRow);

    QList< ModelInvariantIndex * > *modelIndexRowRangeToModelInvariantIndexList(int startIndexRow, int count);

    void modelRowsInserted(int modelIndexRowPosition, int count);

    QList< ModelInvariantIndex * > *modelRowsRemoved(int modelIndexRowPosition, int count);

    void modelReset();

private:
    ModelInvariantRowMapperPrivate *const d;
};
} // namespace Core
} // namespace MessageList

#endif