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+/****************************************************************************
+**
+** 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
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** 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
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qmlcompass_p.h"
+#include <QtSensors/QCompass>
+
+/*!
+    \qmltype Compass
+    \instantiates QmlCompass
+    \ingroup qml-sensors_type
+    \inqmlmodule QtSensors
+    \since QtSensors 5.0
+    \inherits Sensor
+    \brief The Compass element reports on heading using magnetic north as a reference.
+
+    The Compass element reports on heading using magnetic north as a reference.
+
+    This element wraps the QCompass class. Please see the documentation for
+    QCompass for details.
+
+    \sa CompassReading
+*/
+
+QmlCompass::QmlCompass(QObject *parent)
+    : QmlSensor(parent)
+    , m_sensor(new QCompass(this))
+{
+}
+
+QmlCompass::~QmlCompass()
+{
+}
+
+QmlSensorReading *QmlCompass::createReading() const
+{
+    return new QmlCompassReading(m_sensor);
+}
+
+QSensor *QmlCompass::sensor() const
+{
+    return m_sensor;
+}
+
+/*!
+    \qmltype CompassReading
+    \instantiates QmlCompassReading
+    \ingroup qml-sensors_reading
+    \inqmlmodule QtSensors
+    \since QtSensors 5.0
+    \inherits SensorReading
+    \brief The CompassReading element holds the most recent Compass reading.
+
+    The CompassReading element holds the most recent Compass reading.
+
+    This element wraps the QCompassReading class. Please see the documentation for
+    QCompassReading for details.
+
+    This element cannot be directly created.
+*/
+
+QmlCompassReading::QmlCompassReading(QCompass *sensor)
+    : QmlSensorReading(sensor)
+    , m_sensor(sensor)
+{
+}
+
+QmlCompassReading::~QmlCompassReading()
+{
+}
+
+/*!
+    \qmlproperty qreal CompassReading::azimuth
+    This property holds the azimuth of the device.
+
+    Please see QCompassReading::azimuth for information about this property.
+*/
+
+qreal QmlCompassReading::azimuth() const
+{
+    return m_azimuth;
+}
+
+/*!
+    \qmlproperty qreal CompassReading::calibrationLevel
+    This property holds the calibration level of the reading.
+
+    Please see QCompassReading::calibrationLevel for information about this property.
+*/
+
+qreal QmlCompassReading::calibrationLevel() const
+{
+    return m_calibrationLevel;
+}
+
+QSensorReading *QmlCompassReading::reading() const
+{
+    return m_sensor->reading();
+}
+
+void QmlCompassReading::readingUpdate()
+{
+    qreal azm = m_sensor->reading()->azimuth();
+    if (m_azimuth != azm) {
+        m_azimuth = azm;
+        Q_EMIT azimuthChanged();
+    }
+    qreal calLevel = m_sensor->reading()->calibrationLevel();
+    if (m_calibrationLevel != calLevel) {
+        m_calibrationLevel = calLevel;
+        Q_EMIT calibrationLevelChanged();
+    }
+}