Add iio-sensor-proxy backend

iio-sensor-proxy is a daemon that listens to sensors on IIO
subsystem on Linux and provides access to the sensor readings
over D-Bus. Currently it provides only orientation and ambient-
light level.

https://github.com/hadess/iio-sensor-proxy

Change-Id: I035bda0b43a16552a9f2bd88a064e53d5f105451
Reviewed-by: Lorn Potter <lorn.potter@gmail.com>

1 files changed, 70 insertions, 0 deletions

diff --git a/src/plugins/sensors/iio-sensor-proxy/iiosensorproxysensorbase.h b/src/plugins/sensors/iio-sensor-proxy/iiosensorproxysensorbase.h
new file mode 100644
index 00000000..f114c3e6
--- /dev/null
+++ b/src/plugins/sensors/iio-sensor-proxy/iiosensorproxysensorbase.h
@@ -0,0 +1,70 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 Alexander Volkov <a.volkov@rusbitech.ru>
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the QtSensors module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** 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 The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/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 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** As a special exception, The Qt Company gives you certain additional
+** rights. These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef IIOSENSORPROXY_SENSORBASE_H
+#define IIOSENSORPROXY_SENSORBASE_H
+
+#include <qsensorbackend.h>
+
+class OrgFreedesktopDBusPropertiesInterface;
+
+class IIOSensorProxySensorBase : public QSensorBackend
+{
+    Q_OBJECT
+public:
+    static char const * const id;
+
+    IIOSensorProxySensorBase(const QString &dbusPath, const QString dbusIface, QSensor *sensor);
+    ~IIOSensorProxySensorBase();
+
+    bool isServiceRunning() const { return m_serviceRunning; }
+    QString serviceName() const;
+
+protected:
+    static quint64 produceTimestamp();
+    virtual void updateProperties(const QVariantMap &changedProperties) = 0;
+
+private slots:
+    void serviceRegistered();
+    void serviceUnregistered();
+    void propertiesChanged(const QString &interface, const QVariantMap &changedProperties,
+                           const QStringList &invalidatedProperties);
+
+private:
+    bool m_serviceRunning;
+    OrgFreedesktopDBusPropertiesInterface *m_propertiesInterface;
+    QString m_dbusInterface;
+};
+
+#endif // IIOSENSORPROXY_SENSORBASE_H