File indexing completed on 2024-04-14 03:48:10

 /*
     SPDX-License-Identifier: LGPL-2.1-or-later
 
     SPDX-FileCopyrightText: 2012 Ander Pijoan <ander.pijoan@deusto.es>
     SPDX-FileCopyrightText: 2013 Bernhard Beschow <bbeschow@cs.tu-berlin.de>
 */
 
 #ifndef MARBLE_VECTORTILEMODEL_H
 #define MARBLE_VECTORTILEMODEL_H
 
 #include <QObject>
 #include <QRunnable>
 
 #include <QMap>
 
 #include "TileId.h"
 #include "GeoDataLatLonBox.h"
 
 class QThreadPool;
 
 namespace Marble
 {
 
 class GeoDataDocument;
 class GeoDataTreeModel;
 class GeoSceneVectorTileDataset;
 class GeoDataObject;
 class TileLoader;
 
 class TileRunner : public QObject, public QRunnable
 {
     Q_OBJECT
 
 public:
     TileRunner( TileLoader *loader, const GeoSceneVectorTileDataset *texture, const TileId &id );
     void run() override;
 
 Q_SIGNALS:
     void documentLoaded( const TileId &id, GeoDataDocument *document );
 
 private:
     TileLoader *const m_loader;
     const GeoSceneVectorTileDataset *const m_tileDataset;
     const TileId m_id;
 };
 
 class VectorTileModel : public QObject
 {
     Q_OBJECT
 
 public:
     explicit VectorTileModel( TileLoader *loader, const GeoSceneVectorTileDataset *layer, GeoDataTreeModel *treeModel, QThreadPool *threadPool );
 
     void setViewport(const GeoDataLatLonBox &bbox);
 
     QString name() const;
 
     const GeoSceneVectorTileDataset *layer() const;
 
     void removeTile(GeoDataDocument* document);
 
     int tileZoomLevel() const;
 
     int cachedDocuments() const;
 
     void reload();
 
 public Q_SLOTS:
     void updateTile( const TileId &id, GeoDataDocument *document );
 
     void clear();
 
 Q_SIGNALS:
     void tileCompleted( const TileId &tileId );
     void tileAdded(GeoDataDocument *document);
     void tileRemoved(GeoDataDocument *document);
 
 private Q_SLOTS:
     void cleanupTile(GeoDataObject* feature);
 
 private:
     void removeTilesOutOfView(const GeoDataLatLonBox &boundingBox);
     void queryTiles(int tileZoomLevel, const QRect &rect);
 
 private:
     struct CacheDocument
     {
         /** The CacheDocument takes ownership of doc */
         CacheDocument(GeoDataDocument *doc, VectorTileModel* vectorTileModel, const GeoDataLatLonBox &boundingBox);
 
         /** Remove the document from the tree and delete the document */
         ~CacheDocument();
 
         GeoDataLatLonBox latLonBox() const { return m_boundingBox; }
 
     private:
         Q_DISABLE_COPY( CacheDocument )
 
         GeoDataDocument *const m_document;
         VectorTileModel *const m_vectorTileModel;
         GeoDataLatLonBox m_boundingBox;
     };
 
     TileLoader *const m_loader;
     const GeoSceneVectorTileDataset *const m_layer;
     GeoDataTreeModel *const m_treeModel;
     QThreadPool *const m_threadPool;
     int m_tileLoadLevel;
     int m_tileZoomLevel;
     QList<TileId> m_pendingDocuments;
     QList<GeoDataDocument*> m_garbageQueue;
     QMap<TileId, QSharedPointer<CacheDocument> > m_documents;
     bool m_deleteDocumentsLater;
 };
 
 }
 
 #endif // MARBLE_VECTORTILEMODEL_H