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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QDECLARATIVE3DGRAPHICSGEOMAP_H
#define QDECLARATIVE3DGRAPHICSGEOMAP_H

#include <qgraphicsgeomap.h>
#include <QPointer>
#include <QtDeclarative/qsgpainteditem.h>
#include <QGeoMapData>
#include "qdeclarativegeomapobject_p.h"

QTM_BEGIN_NAMESPACE

class QGeoCoordinate;
class QGeoMapObject;
class QGeoMapData;
class QGeoServiceProvider;
class QDeclarativeCoordinate;
class QDeclarativeGeoServiceProvider;

class QDeclarative3DGraphicsGeoMap : public QSGPaintedItem
{
    Q_OBJECT

    Q_ENUMS(MapType)
    Q_ENUMS(ConnectivityMode)

    Q_PROPERTY(QDeclarativeGeoServiceProvider *plugin READ plugin WRITE setPlugin NOTIFY pluginChanged)
    Q_PROPERTY(QSizeF size READ size WRITE setSize NOTIFY sizeChanged)
    Q_PROPERTY(qreal minimumZoomLevel READ minimumZoomLevel CONSTANT)
    Q_PROPERTY(qreal maximumZoomLevel READ maximumZoomLevel CONSTANT)
    Q_PROPERTY(qreal zoomLevel READ zoomLevel WRITE setZoomLevel NOTIFY zoomLevelChanged)
    Q_PROPERTY(MapType mapType READ mapType WRITE setMapType NOTIFY mapTypeChanged)
    Q_PROPERTY(QDeclarativeCoordinate* center READ center WRITE setCenter NOTIFY declarativeCenterChanged)
    Q_PROPERTY(ConnectivityMode connectivityMode READ connectivityMode WRITE setConnectivityMode NOTIFY connectivityModeChanged)
    Q_INTERFACES(QDeclarativeParserStatus)

public:
    enum MapType {
        NoMap = QGraphicsGeoMap::NoMap,
        StreetMap = QGraphicsGeoMap::StreetMap,
        SatelliteMapDay = QGraphicsGeoMap::SatelliteMapDay,
        SatelliteMapNight = QGraphicsGeoMap::SatelliteMapNight,
        TerrainMap = QGraphicsGeoMap::TerrainMap
    };

    enum ConnectivityMode {
        NoConnectivity = QGraphicsGeoMap::NoConnectivity,
        OfflineMode = QGraphicsGeoMap::OfflineMode,
        OnlineMode = QGraphicsGeoMap::OnlineMode,
        HybridMode = QGraphicsGeoMap::HybridMode
    };

public:
    QDeclarative3DGraphicsGeoMap(QSGPaintedItem *parent = 0);
    ~QDeclarative3DGraphicsGeoMap();

    // From QDeclarativeParserStatus
    virtual void componentComplete();

    // From QGraphicsItem
    //void paint(QPainter *painter,
    //           const QStyleOptionGraphicsItem *option,
    //           QWidget *widget);
    // From QSGPaintedItem
    virtual void paint (QPainter *painter);

    void setPlugin(QDeclarativeGeoServiceProvider *plugin);
    QDeclarativeGeoServiceProvider* plugin() const;

    qreal minimumZoomLevel() const;
    qreal maximumZoomLevel() const;

    void setSize(const QSizeF &size);
    QSizeF size() const;

    void setZoomLevel(qreal zoomLevel);
    qreal zoomLevel() const;

    void setCenter(QDeclarativeCoordinate *center);
    QDeclarativeCoordinate* center();

    void setMapType(MapType mapType);
    MapType mapType() const;

    void setConnectivityMode(ConnectivityMode connectivityMode);
    ConnectivityMode connectivityMode() const;

    QDeclarativeListProperty<QDeclarativeGeoMapObject> objects();

    Q_INVOKABLE void addMapObject(QDeclarativeGeoMapObject* object);
    Q_INVOKABLE void removeMapObject(QDeclarativeGeoMapObject* object);

    Q_INVOKABLE QDeclarativeCoordinate* toCoordinate(QPointF screenPosition) const;
    Q_INVOKABLE QPointF toScreenPosition(QDeclarativeCoordinate* coordinate) const;

    // This function is strictly for testing purposes and may be removed at
    // any time without any notice (hence also the obscure naming to avoid
    // accidental usage):
    Q_INVOKABLE int testGetDeclarativeMapObjectCount();

    void setActiveMouseArea(QDeclarativeGeoMapMouseArea *area);
    QDeclarativeGeoMapMouseArea* activeMouseArea() const;

public Q_SLOTS:
    void pan(int dx, int dy);

protected:
    void geometryChanged(const QRectF &newGeometry,
                         const QRectF &oldGeometry);
    void mousePressEvent(QGraphicsSceneMouseEvent *event);
    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
    void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
    void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
    void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
    void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);

Q_SIGNALS:
    void pluginChanged(QDeclarativeGeoServiceProvider *plugin);
    void sizeChanged(const QSizeF &size);
    void zoomLevelChanged(qreal zoomLevel);
    void declarativeCenterChanged(const QDeclarativeCoordinate *coordinate);
    void mapTypeChanged(QDeclarative3DGraphicsGeoMap::MapType mapType);
    void connectivityModeChanged(QDeclarative3DGraphicsGeoMap::ConnectivityMode connectivityMode);

private Q_SLOTS:
    void updateMapDisplay(const QRectF& target);
    void internalCenterChanged(const QGeoCoordinate &coordinate);
    void internalMapTypeChanged(QGraphicsGeoMap::MapType mapType);
    void internalConnectivityModeChanged(QGraphicsGeoMap::ConnectivityMode connectivityMode);
    void centerLatitudeChanged(double latitude);
    void centerLongitudeChanged(double longitude);
    void centerAltitudeChanged(double altitude);

private:
    void setupMapView(QDeclarativeGeoMapObjectView *view);
    void populateMap();

    QDeclarativeGeoMapObject* createItem(int modelIndex);
    QDeclarativeGeoMapMouseEvent* createMapMouseEvent(QGraphicsSceneMouseEvent *event);
    QDeclarativeGeoMapMouseEvent* createMapMouseEvent(QGraphicsSceneHoverEvent *event);

    QDeclarativeGeoServiceProvider* plugin_;
    QGeoServiceProvider* serviceProvider_;
    QGeoMappingManager* mappingManager_;
    QGeoMapData* mapData_;

    qreal zoomLevel_;
    QPointer<QDeclarativeCoordinate> center_;

    QGeoCoordinate* initialCoordinate;
    QDeclarative3DGraphicsGeoMap::MapType mapType_;
    QDeclarative3DGraphicsGeoMap::ConnectivityMode connectivityMode_;
    QSizeF size_;

    QList<QDeclarativeGeoMapObject*> mapObjects_;
    QHash<QGeoMapObject*, QDeclarativeGeoMapObject*> objectMap_;

    bool componentCompleted_;
    QList<QDeclarativeGeoMapObjectView*> mapViews_;
    QDeclarativeGeoMapMouseArea* activeMouseArea_;
    QList<QDeclarativeGeoMapMouseArea*> mouseAreas_;

    friend class QDeclarativeGeoMapObjectView;
    Q_DISABLE_COPY(QDeclarative3DGraphicsGeoMap)
};

QTM_END_NAMESPACE

QML_DECLARE_TYPE(QTM_PREPEND_NAMESPACE(QDeclarative3DGraphicsGeoMap));

#endif