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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QGEOSATELLITEINFOSOURCE_MAEMO5_H
#define QGEOSATELLITEINFOSOURCE_MAEMO5_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <QTimer>
#include "qgeosatelliteinfosource.h"
#include "qgeosatelliteinfo.h"

#define INIT_OK                     0
#define INIT_FAILED                 -1
#define MINIMUM_UPDATE_INTERVAL     1000
#define DEFAULT_UPDATE_INTERVAL     5000
#define POWERSAVE_THRESHOLD         180000
#define POWERSAVE_POWERON_PERIOD    120000

QTM_BEGIN_NAMESPACE

class LiblocationWrapper;

class QGeoSatelliteInfoSourceMaemo : public QGeoSatelliteInfoSource
{
    Q_OBJECT

public:
    explicit QGeoSatelliteInfoSourceMaemo(QObject *parent = 0);

    int init();

private:
    int client_id_;
    void setUpdateInterval(int interval);
    QTimer *updateTimer;
    QTimer *requestTimer;
    int timerInterval;
    void activateTimer();
    void startLocationDaemon();

    enum SatelliteInfoState {
        Undefined = 0,
        Started = 1,
        Stopped = 2,
        RequestActive = 4,
        PowersaveActive = 8
    };
    int satelliteInfoState;

public slots:
    virtual void startUpdates();
    void stopUpdates();
    void requestUpdate(int timeout = 5000);
    void satelliteStatus();

signals:
    void satellitesInViewUpdated(const QList<QGeoSatelliteInfo> &satellites);
    void satellitesInUseUpdated(const QList<QGeoSatelliteInfo> &satellites);
    void requestTimeout();

private slots:
    void requestTimeoutElapsed();

private:
    Q_DISABLE_COPY(QGeoSatelliteInfoSourceMaemo)
};

QTM_END_NAMESPACE

#endif // QGEOSATELLITEINFOSOURCE_MAEMO5_H