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#ifndef QDECLARATIVECIRCLEMAPITEM_H
#define QDECLARATIVECIRCLEMAPITEM_H

#include "qdeclarativegeomapitembase_p.h"
#include "qdeclarativepolylinemapitem_p.h"
#include "qdeclarativepolygonmapitem_p.h"
#include <QSGGeometryNode>
#include <QSGFlatColorMaterial>

QT_BEGIN_NAMESPACE

class QDeclarativeGeoMapQuickItem;

class QGeoMapCircleGeometry : public QGeoMapPolygonGeometry
{
public:
    QGeoMapCircleGeometry();

    void updateScreenPointsInvert(const QGeoMap &map);
};

class QDeclarativeCircleMapItem : public QDeclarativeGeoMapItemBase
{
    Q_OBJECT
    Q_PROPERTY(QGeoCoordinate center READ center WRITE setCenter NOTIFY centerChanged)
    Q_PROPERTY(qreal radius READ radius WRITE setRadius NOTIFY radiusChanged)
    Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged)
    Q_PROPERTY(QDeclarativeMapLineProperties *border READ border CONSTANT)

public:
    explicit QDeclarativeCircleMapItem(QQuickItem *parent = 0);
    ~QDeclarativeCircleMapItem();

    virtual void setMap(QDeclarativeGeoMap *quickMap, QGeoMap *map);
    virtual QSGNode *updateMapItemPaintNode(QSGNode *, UpdatePaintNodeData *);

    QGeoCoordinate center();
    void setCenter(const QGeoCoordinate &center);

    qreal radius() const;
    void setRadius(qreal radius);

    QColor color() const;
    void setColor(const QColor &color);

    QDeclarativeMapLineProperties *border();

    bool contains(const QPointF &point) const;

Q_SIGNALS:
    void centerChanged(const QGeoCoordinate &center);
    void radiusChanged(qreal radius);
    void colorChanged(const QColor &color);

protected:
    void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) Q_DECL_OVERRIDE;

protected Q_SLOTS:
    virtual void updateMapItem();
    void updateMapItemAssumeDirty();
    void afterViewportChanged(const QGeoMapViewportChangeEvent &event);

private:
    bool preserveCircleGeometry(QList<QGeoCoordinate> &path, const QGeoCoordinate &center,
                                qreal distance, QGeoCoordinate &leftBoundCoord);
    void updateCirclePathForRendering(QList<QGeoCoordinate> &path, const QGeoCoordinate &center,
                                      qreal distance);

private:
    QGeoCoordinate center_;
    QDeclarativeMapLineProperties border_;
    QColor color_;
    qreal radius_;
    QList<QGeoCoordinate> circlePath_;
    bool dirtyMaterial_;
    QGeoMapCircleGeometry geometry_;
    QGeoMapPolylineGeometry borderGeometry_;
    bool updatingGeometry_;
};

//////////////////////////////////////////////////////////////////////

QT_END_NAMESPACE

QML_DECLARE_TYPE(QDeclarativeCircleMapItem)

#endif /* QDECLARATIVECIRCLEMAPITEM_H */