/****************************************************************************
**
** Copyright (C) 2013 BogDan Vatra <bogdan@kde.org>
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtSensors module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
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** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
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** following information to ensure the GNU Lesser General Public License
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****************************************************************************/

#ifndef ANDROIDCOMMONSENSOR_H
#define ANDROIDCOMMONSENSOR_H

#include <qsensorbackend.h>
#include <qsensor.h>
#include "androidjnisensors.h"

template <typename ReaderType>
class AndroidCommonSensor : public QSensorBackend, protected AndroidSensors::AndroidSensorsListenerInterface
{
public:
    AndroidCommonSensor(AndroidSensors::AndroidSensorType type, QSensor *sensor) : QSensorBackend(sensor)
    {
        setDescription(AndroidSensors::sensorDescription(type));
        setReading<ReaderType>(&m_reader);
        m_type = type;
        m_isStarted = false;
    }

    virtual ~AndroidCommonSensor()
    {
        if (m_isStarted)
            stop();
    }
    void start() Q_DECL_OVERRIDE
    {
        if (AndroidSensors::registerListener(m_type, this, sensor()->dataRate()))
            m_isStarted = true;
    }

    void stop() Q_DECL_OVERRIDE
    {
        if (m_isStarted) {
            m_isStarted = false;
            AndroidSensors::unregisterListener(m_type, this);
        }
    }

protected:
    ReaderType m_reader;
    AndroidSensors::AndroidSensorType m_type;

private:
    bool m_isStarted;
};

#endif // ANDROIDCOMMONSENSOR_H