QtmSensors, legacy sensors library.

QtSensors will not remain source-compatible with Mobility.
QtmSensors exists to provide a source-compatible API.

QtmSensors is implemented as a wrapper over the QtSensors library.
Only front end functionality is supported. Backends must be ported
to QtSensors.

Change-Id: Ia7e45b719fb5f84637f899374990dbd680e259bd
Reviewed-on: http://codereview.qt.nokia.com/3348
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Zsolt Simon <zsolt.simon@nokia.com>

1 files changed, 99 insertions, 0 deletions

diff --git a/src/qtmsensors/qsensorbackend_p.h b/src/qtmsensors/qsensorbackend_p.h
new file mode 100644
index 00000000..a2d8b457
--- /dev/null
+++ b/src/qtmsensors/qsensorbackend_p.h
@@ -0,0 +1,99 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** 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.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTM_QSENSORBACKEND_P_H
+#define QTM_QSENSORBACKEND_P_H
+
+#include <QObject>
+#include "qtmsensorsglobal.h"
+
+QT_BEGIN_NAMESPACE
+QTM_BEGIN_NAMESPACE
+
+class QSensor;
+class QSensorReading;
+
+class QTM_SENSORS_EXPORT QSensorBackend : public QObject
+{
+    Q_OBJECT
+public:
+    QSensorBackend(QSensor *sensor);
+    virtual ~QSensorBackend();
+
+    virtual void start() = 0;
+    virtual void stop() = 0;
+
+    // used by the backend to set metadata properties
+    void addDataRate(qreal min, qreal max);
+    void setDataRates(const QSensor *otherSensor);
+    void addOutputRange(qreal min, qreal max, qreal accuracy);
+    void setDescription(const QString &description);
+
+    template <typename T>
+    T *setReading(T *reading)
+    {
+        if (!reading)
+            reading = new T(this);
+        setReadings(reading, new T(this), new T(this));
+        return reading;
+    }
+
+    QSensorReading *reading() const;
+    QSensor *sensor() const { return m_sensor; }
+
+    // used by the backend to inform us of events
+    void newReadingAvailable();
+    void sensorStopped();
+    void sensorBusy();
+    void sensorError(int error);
+
+private:
+    void setReadings(QSensorReading *device, QSensorReading *filter, QSensorReading *cache);
+
+    QSensor *m_sensor;
+    Q_DISABLE_COPY(QSensorBackend)
+};
+
+QTM_END_NAMESPACE
+QT_END_NAMESPACE
+
+#endif
+