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#include "qgeoareamonitor_s60_p.h"

#include "qgeopositioninfo.h"

#include "qmlbackendmonitorinfo_s60_p.h"

#include "qmlbackendmonitorcreatetriggerao_s60_p.h"

QTM_BEGIN_NAMESPACE

TInt QGeoAreaMonitorS60::refCount = 0;

QGeoAreaMonitorS60* QGeoAreaMonitorS60::NewL(QObject *aParent)

{

    QGeoAreaMonitorS60 *self = QGeoAreaMonitorS60::NewLC(aParent);

    CleanupStack::Pop();

    if (!self->isValid()) {

        delete self;

        self = NULL;

    }

    return self;

}

//creates an entry and exit trigger based on the aCoordinate and

//aRadius values passed as argument

void QGeoAreaMonitorS60::setMonitoredArea(const QGeoCoordinate & aCoordinate, qreal aRadius)

{

    TCoordinate coord;

    TInt ret1 = QCoordinateToTCoordinate(aCoordinate, coord);

    TInt ret2 = iTriggerCreateAO->getRadius(aRadius);

    if (ret2 == KErrNone)

        QGeoAreaMonitor::setRadius(aRadius);

    if ((ret1 != KErrNone) || (ret2 != KErrNone))

        return;

    //Intialize the trigger and enable the trigger if atleast one slot is  connected to the areaEntered

    //signal

    if ((iTriggerCreateAO->InitializeTrigger(this, EntryTrigger, coord, aRadius)) &&

            (receivers(SIGNAL(areaEntered(const QGeoPositionInfo&))) > 0)) {

        iTriggerCreateAO->SetTriggerState(this, EntryTrigger, true);

        iTriggerAO->NotifyFiredEvent();

    }

    //Intialize the trigger and enable the trigger if atleast one slot is  connected to the areaExited

    //signal

    if ((iTriggerCreateAO->InitializeTrigger(this, ExitTrigger, coord, aRadius)) &&

            (receivers(SIGNAL(areaExited(const QGeoPositionInfo&))) > 0)) {

        iTriggerCreateAO->SetTriggerState(this, ExitTrigger, true);

        iTriggerAO->NotifyFiredEvent();

    }

    //request for the trigger change notification events

    iNotifyTriggerAO->NotifyChangeEvent();

}

//virtual function sets the Center of the monitoring area to coordinate

void QGeoAreaMonitorS60::setCenter(const QGeoCoordinate& coordinate)

{

    if (coordinate.isValid())

        QGeoAreaMonitor::setCenter(coordinate);

    else

        return;

    if (QGeoAreaMonitor::radius() != 0)     //if radius is not initialised

        setMonitoredArea(coordinate, QGeoAreaMonitor::radius());

}

//virtual fucntion sets the radius of the monitorijng area to the radius

void QGeoAreaMonitorS60::setRadius(qreal radius)

{

    setMonitoredArea(QGeoAreaMonitor::center(), radius);

}

//callback from the QMLBackendMonitorAO object for the entry/exit event

void QGeoAreaMonitorS60::handleTriggerEvent(TPositionInfo aPosInfo, enTriggerType aStatus)

{

    QGeoPositionInfo posInfo;

    TPositionInfoToQGeoPositionInfo(aPosInfo, posInfo);

    if (!posInfo.isValid())

        return;

    switch (aStatus) {

        case  EntryTrigger :           //emit areaEntered trigger

            emit areaEntered(posInfo);

            break;

        case ExitTrigger :             //emit areaExited trigger

            emit areaExited(posInfo);

            break;

        case NotifyChangesTrigger:

        case InvalidTrigger:

            break;

    }

}

//destructor cleaning up the resources

QGeoAreaMonitorS60::~QGeoAreaMonitorS60()

{

    if (iTriggerAO || iNotifyTriggerAO || iTriggerCreateAO) {

        QMLBackendMonitorAO::DeleteAO(this);

        iTriggerAO = NULL;

        QMLBackendTriggerChangeAO::DeleteAO();

        iNotifyTriggerAO = NULL;

        delete iTriggerCreateAO;

        iTriggerCreateAO = NULL;

    }

    if (connectedLbt) {

        --refCount;

        if (refCount == 0) {

            lbtServ.Close();

        }

    }

}

QGeoAreaMonitorS60* QGeoAreaMonitorS60::NewLC(QObject* aParent)

{

    QGeoAreaMonitorS60 *self = new(ELeave) QGeoAreaMonitorS60(aParent);

    CleanupStack::PushL(self);

    self->ConstructL();

    return self;

}

//second level construction : creating the QMLBackendMonitorAO : for

//monitoring the trigger fired event,QMLBackendMonitorCreateTriggerAO:

//instance object for creating the trigger and QMLBackendTriggerChangeAO :

//for monitoring the changes to the trigger properties

void QGeoAreaMonitorS60::ConstructL()

{

    if (lbtServ.Connect() == KErrNone) {

        CleanupClosePushL(lbtServ);

        connectedLbt = true;

        ++refCount;

        iTriggerAO = QMLBackendMonitorAO::NewL(lbtServ);

        if (!iTriggerAO)

            return;

        iTriggerCreateAO = QMLBackendMonitorCreateTriggerAO::NewL(this, lbtServ);

        if (!iTriggerCreateAO)

            return;

        iNotifyTriggerAO = QMLBackendTriggerChangeAO::NewL(lbtServ);

        CleanupStack::Pop(1);

    } else {

        connectedLbt = false;

    }

}

//constructor initializing the default values

QGeoAreaMonitorS60::QGeoAreaMonitorS60(QObject* aParent) : QGeoAreaMonitor(aParent),

        iTriggerAO(NULL), iNotifyTriggerAO(NULL)

{

}

//convert a symbian-TPositionInfo value to corresponding QT-QGeoPositionInfo

void QGeoAreaMonitorS60::TPositionInfoToQGeoPositionInfo(TPositionInfo& aPosInfo, QGeoPositionInfo& aQInfo)

{

    QGeoCoordinate coord;

    TPosition pos;

    aPosInfo.GetPosition(pos);

    coord.setLatitude(pos.Latitude());

    coord.setLongitude(pos.Longitude());

    coord.setAltitude(pos.Altitude());

    //store the QGeoCoordinate values

    aQInfo.setCoordinate(coord);

    TDateTime datetime = pos.Time().DateTime();

    QDateTime dt(QDate(datetime.Year(), datetime.Month() + 1, datetime.Day() + 1),

                 QTime(datetime.Hour(), datetime.Minute(), datetime.Second(),

                       datetime.MicroSecond() / 1000),

                Qt::UTC);

    //store the time stamp

    aQInfo.setTimestamp(dt);

    //store the horizontal accuracy

    aQInfo.setAttribute(QGeoPositionInfo::HorizontalAccuracy, pos.HorizontalAccuracy());

    //store the vertical accuracy

    aQInfo.setAttribute(QGeoPositionInfo::VerticalAccuracy, pos.VerticalAccuracy());

}

//convert QT-QCoordinate value to Symbian-TCoordinate value

int QGeoAreaMonitorS60::QCoordinateToTCoordinate(const QGeoCoordinate& aQCoord, TCoordinate& aTCoord)

{

    if (!aQCoord.isValid())

        return KErrGeneral;

    QGeoAreaMonitor::setCenter(aQCoord);

    aTCoord.SetCoordinate(aQCoord.latitude(), aQCoord.longitude(), aQCoord.altitude());

    return KErrNone;

}

//Notification called when a sot is connected to the areaEntered or

//areaExited signal

void QGeoAreaMonitorS60::connectNotify(const char* signal)

{

    if ((iTriggerCreateAO->isTriggerInitialized(this, EntryTrigger)) && (QLatin1String(signal) == SIGNAL(areaEntered(QGeoPositionInfo))) && (receivers(SIGNAL(areaEntered(const QGeoPositionInfo&))) <= 1)) {

        iTriggerCreateAO->SetTriggerState(this, EntryTrigger, true);

        iTriggerAO-> NotifyFiredEvent();

    }

    if ((iTriggerCreateAO->isTriggerInitialized(this, ExitTrigger)) && (QLatin1String(signal) == SIGNAL(areaExited(QGeoPositionInfo))) && (receivers(SIGNAL(areaExited(const QGeoPositionInfo&))) <= 1)) {

        iTriggerCreateAO->SetTriggerState(this, ExitTrigger, true);

        iTriggerAO-> NotifyFiredEvent();

    }

}

//Notification called when a sot is disconnected from the areaEntered or

//areaExited signal

void QGeoAreaMonitorS60::disconnectNotify(const char* signal)

{

    // Disable the trigger, if no slot connected to signal

    if ((iTriggerCreateAO->isTriggerInitialized(this, EntryTrigger)) && (QLatin1String(signal) == SIGNAL(areaEntered(QGeoPositionInfo)))  && (receivers(SIGNAL(areaEntered(const QGeoPositionInfo&))) == 0)) {

        // iEnterTrigger->NotifyFiredEvent (FALSE);

        iTriggerCreateAO->SetTriggerState(this, EntryTrigger, FALSE);

    }

    if ((iTriggerCreateAO->isTriggerInitialized(this, ExitTrigger)) && (QLatin1String(signal) == SIGNAL(areaExited(QGeoPositionInfo))) && (receivers(SIGNAL(areaExited(const QGeoPositionInfo&))) == 0)) {

        // iExitTrigger->NotifyFiredEvent (FALSE);

        iTriggerCreateAO->SetTriggerState(this, ExitTrigger, FALSE);

    }

}

QTM_END_NAMESPACE