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****************************************************************************/

#include "qgeopositioninfosource_maemo_p.h"

#include <iostream>

#include <QDateTime>

using namespace std;

QTM_BEGIN_NAMESPACE

QGeoPositionInfoSourceMaemo::QGeoPositionInfoSourceMaemo(QObject *parent): QGeoPositionInfoSource(parent)

{

    requestTimer = new QTimer(this);

    QObject::connect(requestTimer, SIGNAL(timeout()), this, SLOT(requestTimerExpired()));

    locationOngoing = false;

}

int QGeoPositionInfoSourceMaemo::init()

{

    dbusComm = new DBusComm(this);

    int status = dbusComm->init();

    if (status == 0) {

        QObject::connect(dbusComm, SIGNAL(receivedPositionUpdate(const QGeoPositionInfo &)),

                         this, SLOT(newPositionUpdate(const QGeoPositionInfo &)));

        QObject::connect(dbusComm, SIGNAL(serviceConnected()),

                         this, SLOT(onServiceConnect()));

        QObject::connect(dbusComm, SIGNAL(serviceDisconnected()),

                         this, SLOT(onServiceDisconnect()));

    }

    return status;

}

void QGeoPositionInfoSourceMaemo::onServiceDisconnect()

{

    //

}

void QGeoPositionInfoSourceMaemo::onServiceConnect()

{

    DBusComm::Command command = (DBusComm::Command)( int(DBusComm::CommandStart) 

                                                     | int(DBusComm::CommandSetInterval) 

                                                     | int(DBusComm::CommandSetMethods) );

    int interval = QGeoPositionInfoSource::updateInterval();

    QGeoPositionInfoSource::PositioningMethods method;

    method = QGeoPositionInfoSource::preferredPositioningMethods();

    if (locationOngoing) {

        dbusComm->sendConfigRequest(command, method, interval);

    }

}

void QGeoPositionInfoSourceMaemo::newPositionUpdate(const QGeoPositionInfo &update)

{

    if(update.isValid()) {

        emit positionUpdated(update);

        if ( requestTimer->isActive() )

            shutdownRequestSession();

    } else {

        if ( !requestTimer->isActive() )

            emit updateTimeout();

    }

}

QGeoPositionInfo QGeoPositionInfoSourceMaemo::lastKnownPosition(bool fromSatellitePositioningMethodsOnly) const

{

    QGeoPositionInfo update = dbusComm->requestLastKnownPosition(fromSatellitePositioningMethodsOnly); 

    return update;

}

QGeoPositionInfoSource::PositioningMethods QGeoPositionInfoSourceMaemo::supportedPositioningMethods() const

{

    return dbusComm->availableMethods();

}

void QGeoPositionInfoSourceMaemo::setUpdateInterval(int msec)

{

    qint32 min = dbusComm->minimumInterval();

    msec = (msec < min) ? min : msec;

    QGeoPositionInfoSource::setUpdateInterval(msec);

    dbusComm->sendConfigRequest(dbusComm->CommandSetInterval, 0, msec);

}

void QGeoPositionInfoSourceMaemo::setPreferredPositioningMethods(PositioningMethods sources)

{

    QGeoPositionInfoSource::setPreferredPositioningMethods(sources);

    dbusComm->sendConfigRequest(dbusComm->CommandSetMethods, sources, 0);

}

int QGeoPositionInfoSourceMaemo::minimumUpdateInterval() const

{

    return dbusComm->minimumInterval();

}

void QGeoPositionInfoSourceMaemo::startUpdates()

{

    locationOngoing = true;

    if ( !requestTimer->isActive() )

        dbusComm->sendConfigRequest(DBusComm::CommandStart, 0, 0);

}

void QGeoPositionInfoSourceMaemo::stopUpdates()

{

    locationOngoing = false;

    if ( !requestTimer->isActive() )

        dbusComm->sendConfigRequest(dbusComm->CommandStop, 0, 0);

}

void QGeoPositionInfoSourceMaemo::requestUpdate(int timeout)

{

    if ( QGeoPositionInfoSource::updateInterval() != 

         dbusComm->minimumInterval() )

        dbusComm->sendConfigRequest(dbusComm->CommandSetInterval, 0, 

                                    dbusComm->minimumInterval());

    if ( !QGeoPositionInfoSource::preferredPositioningMethods().testFlag(QGeoPositionInfoSource::AllPositioningMethods) )

        dbusComm->sendConfigRequest(dbusComm->CommandSetMethods, 

                                    QGeoPositionInfoSource::AllPositioningMethods, 0);

    if ( !locationOngoing )

        dbusComm->sendConfigRequest(dbusComm->CommandStart, 0, 0);

    requestTimer->start(timeout);

}

void QGeoPositionInfoSourceMaemo::requestTimerExpired()

{

    emit updateTimeout();

    shutdownRequestSession();

}

void QGeoPositionInfoSourceMaemo::shutdownRequestSession()

{

    requestTimer->stop();

    if ( !locationOngoing )

        dbusComm->sendConfigRequest(dbusComm->CommandStop, 0, 0);

    if ( QGeoPositionInfoSource::updateInterval() !=

         dbusComm->minimumInterval() )

        dbusComm->sendConfigRequest(dbusComm->CommandSetInterval, 0,

                                    QGeoPositionInfoSource::updateInterval());

    if ( !QGeoPositionInfoSource::preferredPositioningMethods().testFlag(QGeoPositionInfoSource::AllPositioningMethods) )

        dbusComm->sendConfigRequest(dbusComm->CommandSetMethods,

                                    QGeoPositionInfoSource::preferredPositioningMethods(), 0);

}

#include "moc_qgeopositioninfosource_maemo_p.cpp"

QTM_END_NAMESPACE