Add QPressureSensor

This adds a new QPressureSensor plus the assorted reading and filter
classes, as well as a QML API.

The Blackberry backend is ported to use the new reading class.

Change-Id: Ifc86a2ae955a9337a67fd9a86ceabab908917cb3
Reviewed-by: Thomas McGuire <thomas.mcguire@kdab.com>

1 files changed, 147 insertions, 0 deletions

diff --git a/src/sensors/qpressuresensor.cpp b/src/sensors/qpressuresensor.cpp
new file mode 100644
index 00000000..ea8a79bb
--- /dev/null
+++ b/src/sensors/qpressuresensor.cpp
@@ -0,0 +1,147 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Research In Motion
+** 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 <qpressuresensor.h>
+#include "qpressuresensor_p.h"
+
+QT_BEGIN_NAMESPACE
+
+IMPLEMENT_READING(QPressureReading)
+
+/*!
+    \class QPressureReading
+    \ingroup sensors_reading
+    \inmodule QtSensors
+    \since 5.1
+
+    \brief The QPressureReading class holds readings from the pressure sensor.
+
+    \section2 QPressureReading Units
+
+    The pressure sensor returns atmospheric pressure values in Pascals.
+*/
+
+/*!
+    \property QPressureReading::pressure
+    \brief The measured atmospheric pressure.
+
+    Returned as Pascals.
+    \sa {QPressureReading Units}
+*/
+
+qreal QPressureReading::pressure() const
+{
+    return d->pressure;
+}
+
+/*!
+    Sets the pressure to \a pressure.
+*/
+void QPressureReading::setPressure(qreal pressure)
+{
+    d->pressure = pressure;
+}
+
+// =====================================================================
+
+/*!
+    \class QPressureFilter
+    \ingroup sensors_filter
+    \inmodule QtSensors
+    \since 5.1
+
+    \brief The QPressureFilter class is a convenience wrapper around QSensorFilter.
+
+    The only difference is that the filter() method features a pointer to QPressureReading
+    instead of QSensorReading.
+*/
+
+/*!
+    \fn QPressureFilter::filter(QPressureReading *reading)
+
+    Called when \a reading changes. Returns false to prevent the reading from propagating.
+
+    \sa QSensorFilter::filter()
+*/
+
+char const * const QPressureSensor::type("QPressureSensor");
+
+/*!
+    \class QPressureSensor
+    \ingroup sensors_type
+    \inmodule QtSensors
+    \since 5.1
+
+    \brief The QPressureSensor class is a convenience wrapper around QSensor.
+
+    The only behavioural difference is that this class sets the type properly.
+
+    This class also features a reading() function that returns a QPressureReading instead of a QSensorReading.
+
+    For details about how the sensor works, see \l QPressureReading.
+
+    \sa QPressureReading
+*/
+
+/*!
+    Construct the sensor as a child of \a parent.
+*/
+QPressureSensor::QPressureSensor(QObject *parent)
+    : QSensor(QPressureSensor::type, parent)
+{
+}
+
+/*!
+    Destroy the sensor. Stops the sensor if it has not already been stopped.
+*/
+QPressureSensor::~QPressureSensor()
+{
+}
+
+/*!
+    \fn QPressureSensor::reading() const
+
+    Returns the reading class for this sensor.
+
+    \sa QSensor::reading()
+*/
+
+#include "moc_qpressuresensor.cpp"
+QT_END_NAMESPACE