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

**

** 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.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

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

#ifndef QGEOPOSITIONINFOSOURCEMAEMO5_H

#define QGEOPOSITIONINFOSOURCEMAEMO5_H

#include <QTimer>

#include "qgeopositioninfosource.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 QGeoPositionInfoSourceMaemo : public QGeoPositionInfoSource

{

    Q_OBJECT

public:

    QGeoPositionInfoSourceMaemo(QObject *parent = 0);

    int init();

    virtual void setUpdateInterval(int interval);

    virtual void setPreferredPositioningMethods(PositioningMethods sources);

    virtual QGeoPositionInfo lastKnownPosition(bool fromSatellitePositioningMethodsOnly = false) const;

    virtual PositioningMethods supportedPositioningMethods() const;

    virtual int minimumUpdateInterval() const;

private:

    PositioningMethods availableMethods;

    bool positionInited;

    QTimer *updateTimer;

    QTimer *requestTimer;

    int timerInterval;

    bool errorOccurred;

    bool errorSent;

    void activateTimer();

    void startLocationDaemon();

    enum PositionInfoState {

        Undefined = 0,

        Started = 1,

        Stopped = 2,

        RequestActive = 4,

        PowersaveActive = 8

    };

    int positionInfoState;

signals:

    void positionUpdated(const QGeoPositionInfo &update);

public slots:

    void startUpdates();

    void stopUpdates();

    void requestUpdate(int timeout = DEFAULT_UPDATE_INTERVAL);

    void newPositionUpdate();

private slots:

    void requestTimeoutElapsed();

    void error();

private:

    Q_DISABLE_COPY(QGeoPositionInfoSourceMaemo)

};

QTM_END_NAMESPACE

#endif // QGEOPOSITIONINFOSOURCEMAEMO5_H