qsensorbackend.h - mozsearch

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// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:significant reason:default

#ifndef QSENSORBACKEND_H

#define QSENSORBACKEND_H

#include <QtSensors/qsensor.h>

#include <QtSensors/qsensormanager.h>

QT_BEGIN_NAMESPACE

class QSensorBackendPrivate;

class Q_SENSORS_EXPORT QSensorBackend : public QObject

    Q_OBJECT

public:

    explicit QSensorBackend(QSensor *sensor, QObject *parent = nullptr);

    virtual ~QSensorBackend();

    virtual void start() = 0;

    virtual void stop() = 0;

    virtual bool isFeatureSupported(QSensor::Feature feature) const;

    // used by the backend to set metadata properties

    void addDataRate(qreal min, qreal max);

    void setDataRates(const QSensor *otherSensor);

    void addOutputRange(qreal min, qreal max, qreal accuracy);

    void setDescription(const QString &description);

    template <typename T>

    T *setReading(T *readingClass)

        if (!readingClass)

            readingClass = new T(this);

        setReadings(readingClass, new T(this), new T(this));

        return readingClass;

    QSensorReading *reading() const;

    QSensor *sensor() const;

    // used by the backend to inform us of events

    void newReadingAvailable();

    void sensorStopped();

    void sensorBusy(bool busy = true);

    void sensorError(int error);

private:

    void setReadings(QSensorReading *device, QSensorReading *filter, QSensorReading *cache);

    Q_DECLARE_PRIVATE(QSensorBackend)

    Q_DISABLE_COPY(QSensorBackend)

};

QT_END_NAMESPACE

#endif