/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtSensors module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
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** $QT_END_LICENSE$
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****************************************************************************/

#ifndef QORIENTATIONSENSOR_H
#define QORIENTATIONSENSOR_H

#include <QtSensors/qsensor.h>

QT_BEGIN_NAMESPACE

class QOrientationReadingPrivate;

class Q_SENSORS_EXPORT QOrientationReading : public QSensorReading
{
    Q_OBJECT
    Q_ENUMS(Orientation)
    Q_PROPERTY(Orientation orientation READ orientation)
    DECLARE_READING(QOrientationReading)
public:
    enum Orientation {
        Undefined = 0,
        TopUp,
        TopDown,
        LeftUp,
        RightUp,
        FaceUp,
        FaceDown
    };

    Orientation orientation() const;
    void setOrientation(Orientation orientation);
};

class Q_SENSORS_EXPORT QOrientationFilter : public QSensorFilter
{
public:
    virtual bool filter(QOrientationReading *reading) = 0;
private:
    bool filter(QSensorReading *reading) override;
};

class Q_SENSORS_EXPORT QOrientationSensor : public QSensor
{
    Q_OBJECT
public:
    explicit QOrientationSensor(QObject *parent = Q_NULLPTR);
    virtual ~QOrientationSensor();
    QOrientationReading *reading() const;
    static char const * const type;

private:
    Q_DISABLE_COPY(QOrientationSensor)
};

QT_END_NAMESPACE

#endif