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/*
This file is part of the Marble Virtual Globe.
This program is free software licensed under the GNU LGPL. You can
find a copy of this license in LICENSE.txt in the top directory of
the source code.
Copyright 2012 Ander Pijoan <ander.pijoan@deusto.es>
Copyright 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;
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
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