Add blackberry backend

sensor.h is a temporary copy until this file is available
in the Blackberry NDK.

Change-Id: I6a47ee4c8ccc0cc3603ea2df3c9fd61259e8ffac
Reviewed-by: Lincoln Ramsay <lincoln.ramsay@nokia.com>

1 files changed, 117 insertions, 0 deletions

diff --git a/src/plugins/sensors/blackberry/bbproximitysensor.cpp b/src/plugins/sensors/blackberry/bbproximitysensor.cpp
new file mode 100644
index 00000000..8781c6f6
--- /dev/null
+++ b/src/plugins/sensors/blackberry/bbproximitysensor.cpp
@@ -0,0 +1,117 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Research In Motion
+** Contact: http://www.qt-project.org/
+**
+** 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.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include "bbproximitysensor.h"
+
+class BbProximityReadingPrivate
+{
+public:
+    BbProximityReadingPrivate()
+        : distance(0),
+          reflectance(0)
+    {
+    }
+
+    qreal distance;
+    qreal reflectance;
+};
+
+BbProximityReading::BbProximityReading(QObject *parent)
+    : QProximityReading(parent),
+      d(new BbProximityReadingPrivate)
+{
+}
+
+BbProximityReading::~BbProximityReading()
+{
+}
+
+void BbProximityReading::copyValuesFrom(QSensorReading *other)
+{
+    QProximityReading::copyValuesFrom(other);
+    const BbProximityReading * const reading = qobject_cast<const BbProximityReading *>(other);
+    if (reading) {
+        d->distance = reading->distance();
+        d->reflectance = reading->reflectance();
+    }
+}
+
+qreal BbProximityReading::distance() const
+{
+    return d->distance;
+}
+
+void BbProximityReading::setDistance(qreal distance)
+{
+    d->distance = distance;
+}
+
+qreal BbProximityReading::reflectance() const
+{
+    return d->reflectance;
+}
+
+void BbProximityReading::setReflectance(qreal reflectance)
+{
+    d->reflectance = reflectance;
+}
+
+BbProximitySensor::BbProximitySensor(QSensor *sensor)
+    : BbSensorBackend<BbProximityReading>(devicePath(), SENSOR_TYPE_PROXIMITY, sensor)
+{
+    setDescription(QLatin1String("Proximity"));
+}
+
+QString BbProximitySensor::devicePath()
+{
+    return QLatin1String("/dev/sensor/prox");
+}
+
+bool BbProximitySensor::updateReadingFromEvent(const sensor_event_t &event, BbProximityReading *reading)
+{
+    // TODO: I was unable to test this since the device I was testing this with did not have
+    //       a proximity sensor. Verify that this works, check that the units are correct
+    //       and that the threshold makes sense.
+    const qreal minProximity = sensor()->outputRanges().first().minimum;
+    reading->setClose(event.proximity_s.distance <= minProximity);
+    reading->setDistance(event.proximity_s.distance);
+    reading->setReflectance(1.0f - event.proximity_s.normalized);
+    return true;
+}