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

**

** 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.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

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

#ifndef QCOMPASS_H

#define QCOMPASS_H

#include "qsensor.h"

QTM_BEGIN_NAMESPACE

class QCompassReadingPrivate;

class Q_SENSORS_EXPORT QCompassReading : public QSensorReading

{

    Q_OBJECT

    Q_PROPERTY(qreal azimuth READ azimuth)

    Q_PROPERTY(qreal calibrationLevel READ calibrationLevel)

    DECLARE_READING(QCompassReading)

public:

    qreal azimuth() const;

    void setAzimuth(qreal azimuth);

    qreal calibrationLevel() const;

    void setCalibrationLevel(qreal calibrationLevel);

};

class Q_SENSORS_EXPORT QCompassFilter : public QSensorFilter

{

public:

    virtual bool filter(QCompassReading *reading) = 0;

private:

    bool filter(QSensorReading *reading) { return filter(static_cast<QCompassReading*>(reading)); }

};

class Q_SENSORS_EXPORT QCompass : public QSensor

{

    Q_OBJECT

public:

    explicit QCompass(QObject *parent = 0) : QSensor(QCompass::type, parent) {}

    virtual ~QCompass() {}

    QCompassReading *reading() const { return static_cast<QCompassReading*>(QSensor::reading()); }

};

QTM_END_NAMESPACE

#endif