gpsmarkertiler.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2010-07-20
 * Description : GPS search marker tiler
 *
 * Copyright (C) 2010      by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
 * Copyright (C) 2010      by Gabriel Voicu <ping dot gabi at gmail dot com>
 * Copyright (C) 2010-2011 by Michael G. Hansen <mike at mghansen dot de>
 * Copyright (C) 2015      by Mohamed_Anwer <m_dot_anwer at gmx 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_GPS_MARKER_TILER_H
#define DIGIKAM_GPS_MARKER_TILER_H
 
// Qt includes
 
#include <QByteArray>
#include <QMetaType>
#include <QItemSelectionModel>
 
// Local includes
 
#include "abstractmarkertiler.h"
#include "mapwidget.h"
#include "digikam_export.h"
#include "itemposition.h"
#include "coredbchangesets.h"
#include "itemlister.h"
#include "coredbaccess.h"
#include "coredb.h"
#include "iteminfo.h"
#include "thumbnailloadthread.h"
#include "thumbsdbaccess.h"
#include "thumbsdb.h"
#include "coredbwatch.h"
#include "coredbfields.h"
#include "itemalbummodel.h"
#include "itemfiltermodel.h"
 
namespace Digikam
{
 
class GPSItemInfo;
 
class GPSMarkerTiler : public AbstractMarkerTiler
{
    Q_OBJECT
 
public:
 
    class MyTile;
 
    explicit GPSMarkerTiler(QObject* const parent,
                            ItemFilterModel* const imageFilterModel,
                            QItemSelectionModel* const selectionModel);
    ~GPSMarkerTiler()                                                                               override;
 
    Tile* tileNew()                                                                                 override;
    void prepareTiles(const GeoCoordinates& upperLeft, const GeoCoordinates& lowerRight, int level) override;
    void regenerateTiles()                                                                          override;
    AbstractMarkerTiler::Tile* getTile(const TileIndex& tileIndex, const bool stopIfEmpty)          override;
    int getTileMarkerCount(const TileIndex& tileIndex)                                              override;
    int getTileSelectedCount(const TileIndex& tileIndex)                                            override;
 
    QVariant getTileRepresentativeMarker(const TileIndex& tileIndex, const int sortKey)             override;
    QVariant bestRepresentativeIndexFromList(const QList<QVariant>& indices, const int sortKey)     override;
    QPixmap pixmapFromRepresentativeIndex(const QVariant& index, const QSize& size)                 override;
    bool indicesEqual(const QVariant& a, const QVariant& b) const                                   override;
    GeoGroupState getTileGroupState(const TileIndex& tileIndex)                                     override;
    GeoGroupState getGlobalGroupState()                                                             override;
 
    void onIndicesClicked(const ClickInfo& clickInfo)                                               override;
 
    void setActive(const bool state)                                                                override;
 
    void setRegionSelection(const GeoCoordinates::Pair& sel);
    void removeCurrentRegionSelection();
    void setPositiveFilterIsActive(const bool state);
 
Q_SIGNALS:
 
    void signalModelFilteredImages(const QList<qlonglong>& imagesId);
 
public Q_SLOTS:
 
    void slotNewModelData(const QList<ItemInfo>& infoList);
 
private Q_SLOTS:
 
    void slotMapImagesJobResult();
    void slotMapImagesJobData(const QList<ItemListerRecord>& records);
    void slotThumbnailLoaded(const LoadingDescription&, const QPixmap&);
    void slotImageChange(const ImageChangeset& changeset);
    void slotSelectionChanged(const QItemSelection& selected, const QItemSelection& deselected);
 
private:
 
    QList<qlonglong> getTileMarkerIds(const TileIndex& tileIndex);
    GeoGroupState getImageState(const qlonglong imageId);
    void removeMarkerFromTileAndChildren(const qlonglong imageId,
                                         const TileIndex& markerTileIndex);
    void addMarkerToTileAndChildren(const qlonglong imageId,
                                    const TileIndex& markerTileIndex);
 
private:
 
    class Private;
    Private* const d;
};
 
} // namespace Digikam
 
#endif // DIGIKAM_GPS_MARKER_TILER_H