Add TiltSensor to QtMobility.sensors 1.3

This has been adapted from the TiltSensor type in QtSensors 5.0
import but the code there has been split into multiple pieces.

There's a C++ class, a generic backend
and a QML interface.

Change-Id: Ic09465a5f76250a02a13938abe4789958137376f
Reviewed-by: Lorn Potter <lorn.potter@gmail.com>

1 files changed, 166 insertions, 0 deletions

diff --git a/src/imports/sensors/qmltiltsensor.cpp b/src/imports/sensors/qmltiltsensor.cpp
new file mode 100644
index 00000000..26f6611d
--- /dev/null
+++ b/src/imports/sensors/qmltiltsensor.cpp
@@ -0,0 +1,166 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qmltiltsensor.h"
+#include <QtSensors/qtiltsensor.h>
+
+QT_BEGIN_NAMESPACE
+QT_END_NAMESPACE
+
+/*!
+    \qmltype TiltSensor
+    \instantiates QmlTiltSensor
+    \ingroup qml-sensors_type
+    \inqmlmodule QtMobility.sensors 1.3
+    \since QtMobility.sensors 1.1
+    \inherits QtMobility.sensors1::Sensor
+    \brief The TiltSensor element reports tilt events
+           along the X and Y axes.
+
+    The TiltSensor element reports tilt events along the X and Y axes.
+
+    This element wraps the QTiltSensor class. Please see the documentation for
+    QTiltSensor for details.
+
+    \sa TiltReading
+*/
+
+QmlTiltSensor::QmlTiltSensor(QObject *parent)
+    : QmlSensor(parent)
+    , m_sensor(new QTiltSensor(this))
+{
+}
+
+QmlTiltSensor::~QmlTiltSensor()
+{
+}
+
+QmlSensorReading *QmlTiltSensor::createReading() const
+{
+    return new QmlTiltSensorReading(m_sensor);
+}
+
+QSensor *QmlTiltSensor::sensor() const
+{
+    return m_sensor;
+}
+
+/*!
+    \qmlmethod QtMobility.sensors1::TiltSensor::calibrate()
+    Calibrate the tilt sensor.
+
+    Please see QTiltSensor::calibrate() for information about this property.
+*/
+void QmlTiltSensor::calibrate()
+{
+    m_sensor->calibrate();
+}
+
+/*!
+    \qmltype TiltReading
+    \instantiates QmlTiltSensorReading
+    \ingroup qml-sensors_reading
+    \inqmlmodule QtMobility.sensors 1.3
+    \since QtMobility.sensors 1.1
+    \inherits QtMobility.sensors1::SensorReading
+    \brief The TiltReading element holds the most recent TiltSensor reading.
+
+    The TiltReading element holds the most recent TiltSensor reading.
+
+    This element wraps the QTiltReading class. Please see the documentation for
+    QTiltReading for details.
+
+    This element cannot be directly created.
+*/
+
+QmlTiltSensorReading::QmlTiltSensorReading(QTiltSensor *sensor)
+    : QmlSensorReading(sensor)
+    , m_sensor(sensor)
+{
+    update();
+}
+
+QmlTiltSensorReading::~QmlTiltSensorReading()
+{
+}
+
+/*!
+    \qmlproperty qreal QtMobility.sensors1::TiltReading::yRotation
+    This property holds the amount of tilt on the Y axis.
+
+    Please see QTiltReading::yRotation for information about this property.
+*/
+
+qreal QmlTiltSensorReading::yRotation() const
+{
+    return m_yRotation;
+}
+
+/*!
+    \qmlproperty qreal QtMobility.sensors1::TiltReading::xRotation
+    This property holds the amount of tilt on the X axis.
+
+    Please see QTiltReading::xRotation for information about this property.
+*/
+
+qreal QmlTiltSensorReading::xRotation() const
+{
+    return m_xRotation;
+}
+
+QSensorReading *QmlTiltSensorReading::reading() const
+{
+    return m_sensor->reading();
+}
+
+void QmlTiltSensorReading::readingUpdate()
+{
+    qreal tiltY = m_sensor->reading()->yRotation();
+    if (m_yRotation != tiltY) {
+        m_yRotation = tiltY;
+        Q_EMIT yRotationChanged();
+    }
+    qreal tiltX = m_sensor->reading()->xRotation();
+    if (m_xRotation != tiltX) {
+        m_xRotation = tiltX;
+        Q_EMIT xRotationChanged();
+    }
+}