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-/****************************************************************************
-**
-** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the QtSensors module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** 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.
-**
-** 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.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QTM_QSENSORBACKEND_P_H
-#define QTM_QSENSORBACKEND_P_H
-
-#include <QObject>
-#include "qtmsensorsglobal.h"
-
-QT_BEGIN_NAMESPACE
-QTM_BEGIN_NAMESPACE
-
-class QSensor;
-class QSensorReading;
-
-class QTM_SENSORS_EXPORT QSensorBackend : public QObject
-{
- Q_OBJECT
-public:
- QSensorBackend(QSensor *sensor);
- virtual ~QSensorBackend();
-
- virtual void start() = 0;
- virtual void stop() = 0;
-
- // 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 *reading)
- {
- if (!reading)
- reading = new T(this);
- setReadings(reading, new T(this), new T(this));
- return reading;
- }
-
- QSensorReading *reading() const;
- QSensor *sensor() const { return m_sensor; }
-
- // used by the backend to inform us of events
- void newReadingAvailable();
- void sensorStopped();
- void sensorBusy();
- void sensorError(int error);
-
-private:
- void setReadings(QSensorReading *device, QSensorReading *filter, QSensorReading *cache);
-
- QSensor *m_sensor;
- Q_DISABLE_COPY(QSensorBackend)
-};
-
-QTM_END_NAMESPACE
-QT_END_NAMESPACE
-
-#endif
-