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

**

** 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.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

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

#include "qgeosatelliteinfosource_maemo_p.h"

QTM_BEGIN_NAMESPACE

QGeoSatelliteInfoSourceMaemo::QGeoSatelliteInfoSourceMaemo(QObject *parent) : QGeoSatelliteInfoSource(parent),

                                                                              running(false), satInViewSeen(false)

{

    requestTimer = new QTimer(this);

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

}

int QGeoSatelliteInfoSourceMaemo::init()

{

    dbusComm = new DBusComm(this);

    int status = dbusComm->init();

    if (status == 0) {

        QObject::connect(dbusComm, SIGNAL(receivedSatellitesInView(const QList<QGeoSatelliteInfo> &)),

                         this, SLOT(newSatellitesInView(const QList<QGeoSatelliteInfo> &)));

        QObject::connect(dbusComm, SIGNAL(receivedSatellitesInUse(const QList<QGeoSatelliteInfo> &)),

                         this, SLOT(newSatellitesInUse(const QList<QGeoSatelliteInfo> &)));

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

                         this, SLOT(onServiceConnect()));

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

                         this, SLOT(onServiceDisconnect()));

    }

    return status;

}

void QGeoSatelliteInfoSourceMaemo::startUpdates()

{

    if ( !requestTimer->isActive() )

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

    running = true;

}

void QGeoSatelliteInfoSourceMaemo::stopUpdates()

{

    if ( !requestTimer->isActive() )

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

    running = false;

}

void QGeoSatelliteInfoSourceMaemo::requestUpdate(int timeout)

{

    if ( !running )

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

    requestTimer->start(timeout);

    satInViewSeen = false;

}

void QGeoSatelliteInfoSourceMaemo::newSatellitesInView(const QList<QGeoSatelliteInfo> &update)

{

    if ( requestTimer->isActive() && satInViewSeen ) {

        requestTimer->stop();

        if ( !running )

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

        else 

            emit satellitesInViewUpdated(update);

    } else {

        emit satellitesInViewUpdated(update);

    }

    satInViewSeen = true;

}

void QGeoSatelliteInfoSourceMaemo::newSatellitesInUse(const QList<QGeoSatelliteInfo> &update)

{

    if ( requestTimer->isActive() ) {

        requestTimer->stop();

        if ( !running )

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

    }

    emit satellitesInUseUpdated(update);

}

void QGeoSatelliteInfoSourceMaemo::requestTimerExpired()

{

    requestTimer->stop();

    if ( !running )

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

    emit requestTimeout();

}

void QGeoSatelliteInfoSourceMaemo::onServiceDisconnect()

{

    //

}

void QGeoSatelliteInfoSourceMaemo::onServiceConnect()

{

    if (running) {

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

    }

}

#include "moc_qgeosatelliteinfosource_maemo_p.cpp"

QTM_END_NAMESPACE