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#ifndef QDECLARATIVEGEOMAPITEMBASE_H
#define QDECLARATIVEGEOMAPITEMBASE_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 <QtLocation/private/qlocationglobal_p.h>

#include <QtQuick/QQuickItem>
#include <QtPositioning/QGeoShape>

#include <QtLocation/private/qdeclarativegeomap_p.h>
#include <QtLocation/private/qlocationglobal_p.h>
#include <QtLocation/private/qgeomap_p.h>
#include <QtQuick/private/qquicktransitionmanager_p_p.h>
#include <QScopedPointer>

QT_BEGIN_NAMESPACE
class QDeclarativeGeoMapItemTransitionManager;
class QDeclarativeGeoMapItemBase;
class Q_LOCATION_PRIVATE_EXPORT QGeoMapViewportChangeEvent
{
public:
    explicit QGeoMapViewportChangeEvent();
    QGeoMapViewportChangeEvent(const QGeoMapViewportChangeEvent &other);
    QGeoMapViewportChangeEvent &operator=(const QGeoMapViewportChangeEvent &other);

    QGeoCameraData cameraData;
    QSizeF mapSize;

    bool zoomLevelChanged;
    bool centerChanged;
    bool mapSizeChanged;
    bool tiltChanged;
    bool bearingChanged;
    bool rollChanged;
};

class QDeclarativeGeoMapItemTransitionManager : public QQuickTransitionManager
{
public:
    enum TransitionState {
        NoTransition, EnterTransition, ExitTransition
    };

    QDeclarativeGeoMapItemTransitionManager(QDeclarativeGeoMapItemBase *mapItem);

    void transitionEnter();
    void transitionExit();

protected:
    void finished() override;

public:
    QDeclarativeGeoMapItemBase *m_mapItem;
    QDeclarativeGeoMapItemView *m_view = nullptr;
    QList<QQuickStateAction> enterActions;
    QList<QQuickStateAction> exitActions;
    TransitionState m_transitionState = NoTransition;
};

class Q_LOCATION_PRIVATE_EXPORT QDeclarativeGeoMapItemBase : public QQuickItem
{
    Q_OBJECT

    Q_PROPERTY(QGeoShape geoShape READ geoShape STORED false )
public:
    explicit QDeclarativeGeoMapItemBase(QQuickItem *parent = 0);
    virtual ~QDeclarativeGeoMapItemBase();

    virtual void setMap(QDeclarativeGeoMap *quickMap, QGeoMap *map);
    virtual void setPositionOnMap(const QGeoCoordinate &coordinate, const QPointF &offset);

    QDeclarativeGeoMap *quickMap() { return quickMap_; }
    QGeoMap *map() { return map_; }
    virtual const QGeoShape &geoShape() const = 0;

    QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *);
    virtual QSGNode *updateMapItemPaintNode(QSGNode *, UpdatePaintNodeData *);

    virtual QGeoMap::ItemType itemType() const = 0;
    qreal mapItemOpacity() const;

    virtual bool prepareEnterTransition();
    virtual bool prepareExitTransition();
    virtual void finalizeEnterTransition();
    virtual void finalizeExitTransition();

Q_SIGNALS:
    void mapItemOpacityChanged();
    Q_REVISION(11) void enterTransitionFinished();
    Q_REVISION(11) void exitTransitionFinished();

protected Q_SLOTS:
    virtual void afterChildrenChanged();
    virtual void afterViewportChanged(const QGeoMapViewportChangeEvent &event) = 0;
    void polishAndUpdate();

protected:
    float zoomLevelOpacity() const;
    bool childMouseEventFilter(QQuickItem *item, QEvent *event);
    bool isPolishScheduled() const;

private Q_SLOTS:
    void baseCameraDataChanged(const QGeoCameraData &camera);

private:
    QPointer<QGeoMap> map_;
    QDeclarativeGeoMap *quickMap_;

    QSizeF lastSize_;
    QGeoCameraData lastCameraData_;

    QDeclarativeGeoMapItemGroup *parentGroup_;

    QScopedPointer<QDeclarativeGeoMapItemTransitionManager> m_transitionManager;

    friend class QDeclarativeGeoMap;
    friend class QDeclarativeGeoMapItemView;
    friend class QDeclarativeGeoMapItemTransitionManager;
};

QT_END_NAMESPACE

#endif
