groupingviewimplementation.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2017-11-02
 * Description : Implementation of grouping specific functions for views
 *
 * Copyright (C) 2017 by Simon Frei <freisim93 at gmail dot com>
 *
 * 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, 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.
 *
 * ============================================================ */
 
#ifndef DIGIKAM_GROUPING_VIEW_IMPLEMENTATION_H
#define DIGIKAM_GROUPING_VIEW_IMPLEMENTATION_H
 
// Local includes
 
#include "applicationsettings.h"
#include "digikam_export.h"
 
namespace Digikam
{
 
class ItemInfo;
class ItemInfoList;
 
class DIGIKAM_GUI_EXPORT GroupingViewImplementation
{
 
public:
 
    GroupingViewImplementation()                                                = default;
    virtual ~GroupingViewImplementation()                                       = default;
 
 
    virtual bool  hasHiddenGroupedImages(const ItemInfo&)                       const
    {
        return false;
    }
 
    bool          needGroupResolving(ApplicationSettings::OperationType type,
                                     const ItemInfoList& infos)                 const;
 
    ItemInfoList resolveGrouping(const ItemInfoList& infos)                     const;
    ItemInfoList getHiddenGroupedInfos(const ItemInfoList& infos)               const;
 
private:
 
    Q_DISABLE_COPY(GroupingViewImplementation)
};
 
} // namespace Digikam
 
#endif // DIGIKAM_GROUPING_VIEW_IMPLEMENTATION_H