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#include "qgeoareamonitor_maemo_p.h"

QTM_BEGIN_NAMESPACE

#define UPDATE_INTERVAL_5S  5000

#define TO_METERS           1000

QGeoAreaMonitorMaemo::QGeoAreaMonitorMaemo(QObject *parent) : QGeoAreaMonitor(parent) 

{

    insideArea = false;

    location = QGeoPositionInfoSource::createDefaultSource(this);

    if(location) {

        location->setUpdateInterval(UPDATE_INTERVAL_5S);

        connect(location, SIGNAL(positionUpdated(QGeoPositionInfo)),

                this, SLOT(positionUpdated(QGeoPositionInfo)));

        location->startUpdates();

    }

}

QGeoAreaMonitorMaemo::~QGeoAreaMonitorMaemo()

{

    if(location)

        location->stopUpdates();

}

void QGeoAreaMonitorMaemo::setCenter(const QGeoCoordinate& coordinate) 

{

    if (coordinate.isValid())

        QGeoAreaMonitor::setCenter(coordinate);

}

void QGeoAreaMonitorMaemo::setRadius(qreal radius) 

{

    QGeoAreaMonitor::setRadius(radius);

}

void QGeoAreaMonitorMaemo::positionUpdated(const QGeoPositionInfo &info) 

{

    double distance = 

            location_distance_between(info.coordinate().latitude(),

                                      info.coordinate().longitude(),

                                      QGeoAreaMonitor::center().latitude(),

                                      QGeoAreaMonitor::center().longitude());

    distance = distance * TO_METERS;

    if (distance <= QGeoAreaMonitor::radius()) {

        if(!insideArea)

            emit areaEntered(info);

        insideArea = true;

    } else if (insideArea) {

        emit areaExited(info);

        insideArea = false;

    }

}

#include "moc_qgeoareamonitor_maemo_p.cpp"

QTM_END_NAMESPACE