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#ifndef QDECLARATIVEPOLYLINEMAPITEM
#define QDECLARATIVEPOLYLINEMAPITEM

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

QT_BEGIN_NAMESPACE

class MapPolylineNode;

class QDeclarativeMapLineProperties : public QObject
{
    Q_OBJECT

    Q_PROPERTY(qreal width READ width WRITE setWidth NOTIFY widthChanged)
    Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged)

public:
    explicit QDeclarativeMapLineProperties(QObject *parent = 0);

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

    qreal width() const;
    void setWidth(qreal width);

Q_SIGNALS:
    void widthChanged(qreal width);
    void colorChanged(const QColor &color);

private:
    qreal width_;
    QColor color_;
};

class QDeclarativePolylineMapItem : public QDeclarativeGeoMapItemBase
{
    Q_OBJECT

    Q_PROPERTY(QDeclarativeListProperty<QDeclarativeCoordinate> path READ declarativePath NOTIFY pathChanged)
    Q_PROPERTY(QDeclarativeMapLineProperties *line READ line CONSTANT)

public:
    QDeclarativePolylineMapItem(QQuickItem *parent = 0);
    ~QDeclarativePolylineMapItem();

    static void updatePolyline(QPolygonF& points, const QGeoMap& map,
                               const QList<QGeoCoordinate> &path,
                               qreal& w, qreal& h, qreal strokeW,
                               QPainterPath &outline, QPointF &offset);

    virtual void setMap(QDeclarativeGeoMap* quickMap, QGeoMap *map);
       //from QuickItem
    virtual QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *);

    Q_INVOKABLE void addCoordinate(QDeclarativeCoordinate* coordinate);
    Q_INVOKABLE void removeCoordinate(QDeclarativeCoordinate* coordinate);

    QDeclarativeListProperty<QDeclarativeCoordinate> declarativePath();

    bool contains(QPointF point);

    QDeclarativeMapLineProperties *line();

Q_SIGNALS:
    void pathChanged();

protected Q_SLOTS:
    virtual void updateMapItem();
    void updateAfterLinePropertiesChanged();
    void updateAfterCoordinateChanged();

private Q_SLOTS:
    // map size changed
    void handleCameraDataChanged(const QGeoCameraData& cameraData);

private:
    static void path_append(QDeclarativeListProperty<QDeclarativeCoordinate> *prop, QDeclarativeCoordinate *coordinate);
    static int path_count(QDeclarativeListProperty<QDeclarativeCoordinate> *prop);
    static QDeclarativeCoordinate* path_at(QDeclarativeListProperty<QDeclarativeCoordinate> *prop, int index);
    static void path_clear(QDeclarativeListProperty<QDeclarativeCoordinate> *prop);
    void pathPropertyChanged();

private:
    QDeclarativeMapLineProperties line_;
    QList<QDeclarativeCoordinate*> coordPath_;
    QList<QGeoCoordinate> path_;
    QColor color_;
    qreal zoomLevel_;
    QPolygonF polyline_;
    bool dirtyGeometry_;
    bool dirtyMaterial_;
    QPainterPath outline_;
    QPointF offset_;
};

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

class MapPolylineNode : public QSGGeometryNode
{

public:
    MapPolylineNode();
    ~MapPolylineNode();

    void update(const QColor& fillColor, const QPolygonF& shape, qreal width);

private:
    QSGFlatColorMaterial fill_material_;
    QSGGeometry geometry_;
};

QT_END_NAMESPACE

QML_DECLARE_TYPE(QT_PREPEND_NAMESPACE(QDeclarativeMapLineProperties));
QML_DECLARE_TYPE(QT_PREPEND_NAMESPACE(QDeclarativePolylineMapItem));

#endif /* QDECLARATIVEPOLYLINEMAPITEM_H_ */