File indexing completed on 2024-11-24 04:15:37

 /*
     SPDX-FileCopyrightText: 2020 Volker Krause <vkrause@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #ifndef KOSMINDOORMAP_MAPLOADER_H
 #define KOSMINDOORMAP_MAPLOADER_H
 
 #include "kosmindoormap_export.h"
 
 #include <QObject>
 
 #include <memory>
 
 namespace OSM {
 class BoundingBox;
 }
 
 /** OSM-based multi-floor indoor maps for buildings. */
 namespace KOSMIndoorMap {
 
 class MapData;
 class MapLoaderPrivate;
 class Tile;
 
 /** Loader for OSM data for a single station or airport. */
 class KOSMINDOORMAP_EXPORT MapLoader : public QObject
 {
     Q_OBJECT
     /** Indicates we are downloading content. Use for progress display. */
     Q_PROPERTY(bool isLoading READ isLoading NOTIFY isLoadingChanged)
 public:
     explicit MapLoader(QObject *parent = nullptr);
     ~MapLoader();
 
     /** Load a single O5M or OSM PBF file. */
     Q_INVOKABLE void loadFromFile(const QString &fileName);
     /** Load map for the given coordinates.
      *  This can involve online access.
      */
     Q_INVOKABLE void loadForCoordinate(double lat, double lon);
     /** Same as the above, but ensureing the requested data is cached until @p ttl. */
     void loadForCoordinate(double lat, double lon, const QDateTime &ttl);
 
     /** Load map data for the given bounding box, without applying the boundary search. */
     void loadForBoundingBox(OSM::BoundingBox box);
     /** Load map data for the given tile. */
     void loadForTile(Tile tile);
 
     /** Take out the completely loaded result.
      *  Do this before loading the next map with the same loader.
      */
     MapData&& takeData();
 
     bool isLoading() const;
 
     bool hasError() const;
     QString errorMessage() const;
 
 Q_SIGNALS:
     /** Emitted when the requested data has been loaded. */
     void done();
     void isLoadingChanged();
 
 private:
     void downloadTiles();
     void downloadFinished();
     void downloadFailed(Tile tile, const QString &errorMessage);
     void loadTiles();
     Tile makeTile(uint32_t x, uint32_t y) const;
 
     std::unique_ptr<MapLoaderPrivate> d;
 };
 
 }
 
 #endif // KOSMINDOORMAP_MAPLOADER_H