DBLoadJob.h

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#ifndef OSMSCOUT_CLIENT_QT_DBLOADJOB_H
#define OSMSCOUT_CLIENT_QT_DBLOADJOB_H
 
/*
 OSMScout - a Qt backend for libosmscout and libosmscout-map
 Copyright (C) 2017 Lukas Karas
 
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
 
  This library 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
  Lesser General Public License for more details.
 
  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
 */
 
#include <QObject>
#include <QHash>
#include <QList>
#include <QThread>
#include <QMap>
 
#include <osmscout/projection/MercatorProjection.h>
 
#include <osmscout/db/BasemapDatabase.h>
 
#include <osmscoutmap/DataTileCache.h>
 
#include <osmscoutclient/DBInstance.h>
#include <osmscoutclient/DBJob.h>
 
#include <osmscoutclientqt/ClientQtImportExport.h>
 
#include <shared_mutex>
 
namespace osmscout {

class OSMSCOUT_CLIENT_QT_API DBLoadJob : public QObject, public DBJob {
  Q_OBJECT
 
private:
  bool                                            closeOnFinish;
  osmscout::BreakerRef                            breaker;
  osmscout::MercatorProjection                    lookupProjection;
  osmscout::AreaSearchParameter                   searchParameter;
  QMap<QString,osmscout::MapService::CallbackId>  callbacks;
 
  QMap<QString,QMap<osmscout::TileKey,osmscout::TileRef>> allTiles;
  QMap<QString,QMap<osmscout::TileKey,osmscout::TileRef>> loadingTiles;
  QMap<QString,QMap<osmscout::TileKey,osmscout::TileRef>> loadedTiles;
 
protected slots:
  void onTileStateChanged(QString dbPath,const osmscout::TileRef tile);
 
signals:
  void tileStateChanged(QString dbPath,const osmscout::TileRef tile);
 
  void databaseLoaded(QString dbPath,QList<osmscout::TileRef> tiles);
 
  void finished(QMap<QString,QMap<osmscout::TileKey,osmscout::TileRef>> tiles);
 
public:
  DBLoadJob(osmscout::MercatorProjection lookupProjection,
            unsigned long maximumAreaLevel,
            bool lowZoomOptimization,
            bool closeOnFinish=true);
 
  ~DBLoadJob() override;
 
  void Run(const osmscout::BasemapDatabaseRef& basemapDatabase,
           const std::list<DBInstanceRef> &databases,
           ReadLock &&locker) override;
 
  void Close() override;
 
  bool IsFinished() const;
  QMap<QString,QMap<osmscout::TileKey,osmscout::TileRef>> GetAllTiles() const;

  bool AddTileDataToMapData(QString dbPath,
                            const QList<osmscout::TileRef> &tiles,
                            osmscout::MapData &data);
};
 
}
 
#endif /* OSMSCOUT_CLIENT_QT_DBLOADJOB_H */