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** Copyright (C) 2015 The Qt Company Ltd.
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** This file is part of the QtLocation module of the Qt Toolkit.
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** Alternatively, this file may be used under the terms of the GNU
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****************************************************************************/
#ifndef QGEOTILEDMAP_P_H
#define QGEOTILEDMAP_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <QObject>
#include <QString>
#include <QtLocation/private/qlocationglobal_p.h>
#include <QtLocation/private/qgeomap_p.h>
#include <QtLocation/private/qgeocameradata_p.h>
#include <QtLocation/private/qgeomaptype_p.h>

#include <QtPositioning/private/qdoublevector2d_p.h>

QT_BEGIN_NAMESPACE

class QGeoTileSpec;
class QGeoTileTexture;
class QAbstractGeoTileCache;
class QGeoTiledMapPrivate;
class QGeoTiledMappingManagerEngine;
class QGeoTileRequestManager;

class QQuickWindow;
class QSGNode;

class QPointF;

class Q_LOCATION_PRIVATE_EXPORT QGeoTiledMap : public QGeoMap
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QGeoTiledMap)
public:
    enum PrefetchStyle { NoPrefetching, PrefetchNeighbourLayer, PrefetchTwoNeighbourLayers };
    QGeoTiledMap(QGeoTiledMappingManagerEngine *engine, QObject *parent);
    virtual ~QGeoTiledMap();

    QAbstractGeoTileCache *tileCache();
    QGeoTileRequestManager *requestManager();
    void updateTile(const QGeoTileSpec &spec);
    void setPrefetchStyle(PrefetchStyle style);

    void prefetchData() Q_DECL_OVERRIDE;
    void clearData() Q_DECL_OVERRIDE;

    void setCopyrightVisible(bool visible) override;

public Q_SLOTS:
    virtual void clearScene(int mapId);

protected:
    QSGNode *updateSceneGraph(QSGNode *, QQuickWindow *window) Q_DECL_OVERRIDE;
    virtual void evaluateCopyrights(const QSet<QGeoTileSpec> &visibleTiles);

    QGeoTiledMap(QGeoTiledMapPrivate &dd, QGeoTiledMappingManagerEngine *engine, QObject *parent);

private Q_SLOTS:
    void handleTileVersionChanged();

private:
    Q_DISABLE_COPY(QGeoTiledMap)

};

QT_END_NAMESPACE

#endif // QGEOMAP_P_H