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diff --git a/plugins/sensors/blackberry/bbsensorbackend.h b/plugins/sensors/blackberry/bbsensorbackend.h
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+/****************************************************************************
+**
+** Copyright (C) 2012 Research In Motion <blackberry-qt@qnx.com>
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#ifndef BBSENSORBACKEND_H
+#define BBSENSORBACKEND_H
+
+#include <qsensorbackend.h>
+#include <QtCore/QFile>
+#include <QtCore/QSocketNotifier>
+
+// Earlier NDK versions did not ship sensor.h, that is why we have our own copy in
+// here.
+// We prefer the NDK version if that exists, as that is more up-to-date.
+#ifdef HAVE_NDK_SENSOR_H
+#include <sensor/sensor.h>
+#include <devctl.h>
+#include <errno.h>
+#else
+#include "sensor.h"
+#endif
+
+QTM_USE_NAMESPACE
+
+class BbGuiHelper;
+
+class BbSensorBackendBase : public QSensorBackend
+{
+    Q_OBJECT
+
+public:
+    BbSensorBackendBase(const QString &devicePath, sensor_type_e sensorType, QSensor *sensor);
+
+    void initSensorInfo();
+    void setGuiHelper(BbGuiHelper *guiHelper);
+
+    void start();
+    void stop();
+
+protected:
+    BbGuiHelper *guiHelper() const;
+    QFile& deviceFile();
+    sensor_type_e sensorType() const;
+    int orientationForRemapping() const;
+
+    void setDevice(const QString &deviceFile, sensor_type_e sensorType);
+
+    // This is called while the device file is open during initalization and gives a subclass
+    // an opportunity to do additional initalization.
+    virtual void additionalDeviceInit();
+
+    // If true is returned here, initSensorInfo() will read the output range from the OS sensor
+    // service and pass it to the QtSensor API.
+    virtual bool addDefaultRange();
+
+    // Converts a value from units of the OS sensor service to units needed by the QtSensors API.
+    // This is used in initSensorInfo(), where the output range is read from the backend and passed
+    // on to the QtSensors side.
+    // One example is the magnetometer: The OS sensor service returns units in microtesla, whereas
+    // QtSensors expects tesla. This function would therefore convert from microtesla to tesla.
+    virtual qreal convertValue(float bbValue);
+
+    bool isAutoAxisRemappingEnabled() const;
+
+    // These functions will automatically remap the matrix or the axes if auto axes remapping is
+    // enabled
+    void remapMatrix(const float inputMatrix[3*3], float outputMatrix[3*3]);
+    void remapAxes(float *x, float *y, float *z);
+
+    virtual void processEvent(const sensor_event_t &sensorEvent) = 0;
+
+private slots:
+    void dataAvailable();
+    void applyAlwaysOnProperty();
+    bool setPaused(bool paused);
+    void updatePauseState();
+    void updateOrientation();
+
+private:
+    QFile m_deviceFile;
+    QScopedPointer<QSocketNotifier> m_socketNotifier;
+    sensor_type_e m_sensorType;
+    BbGuiHelper *m_guiHelper;
+    float m_mappingMatrix[4];
+    bool m_started;
+};
+
+template<class SensorReading>
+class BbSensorBackend : public BbSensorBackendBase
+{
+public:
+    BbSensorBackend(const QString &devicePath, sensor_type_e sensorType, QSensor *sensor)
+        : BbSensorBackendBase(devicePath, sensorType, sensor)
+    {
+        setReading(&m_reading);
+    }
+
+protected:
+    virtual bool updateReadingFromEvent(const sensor_event_t &sensorEvent, SensorReading *reading) = 0;
+
+private:
+    void processEvent(const sensor_event_t &sensorEvent)
+    {
+        // There may be "non-sensor" event types added later for housekeeping, so we have to check
+        // if the senor type matches the expected value
+        if (sensorEvent.type != sensorType())
+            return;
+
+        if (updateReadingFromEvent(sensorEvent, &m_reading)) {
+            // The OS timestamp is in nanoseconds, QtMobility expects microseconds
+            m_reading.setTimestamp(sensorEvent.timestamp / 1000);
+            newReadingAvailable();
+        }
+    }
+
+    SensorReading m_reading;
+};
+
+#endif