diff -r 8b2d6d0384b0 -r d9aefe59d544 camerauis/cameraxui/cxengine/inc/api/cxesensoreventhandler.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraxui/cxengine/inc/api/cxesensoreventhandler.h	Fri Apr 16 14:51:30 2010 +0300
@@ -0,0 +1,79 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+#ifndef CXESENSOREVENTHANDLER_H_
+#define CXESENSOREVENTHANDLER_H_
+
+#include <QObject>
+#include <QMetaType>
+
+#include "cxenamespace.h"
+
+
+/**
+ * Sensor Event Handler implements basic sensor's events handling. It
+ * automatically updates the clients intersted in knowing the sensor events
+ * that is currently supported and used by camera app.
+ *
+ * All the supported sensor types are defined by enum "SensorType"
+ * This class provides one signal which basically carries out corresponding sensor data for
+ * the given sensor type.
+ */
+class CxeSensorEventHandler : public QObject
+{
+    Q_OBJECT
+
+public:
+
+     // ! Sensor types handled and supported in cxengine.
+    enum SensorType
+        {
+        //! Listening to orientation sensor events
+        OrientationSensor
+        };
+
+    /**
+    * Data read from sensor. The "type" of data embedded in QVariant is specific to sensor type.
+    */
+    virtual QVariant sensorData(CxeSensorEventHandler::SensorType type) = 0;
+
+public slots:
+    /*!
+        init sensors
+    */
+    virtual void init() = 0;
+
+    /*!
+        de-init sensors
+    */
+    virtual void deinit() = 0;
+
+signals:
+    /*
+    * A signal indicating that there is new sensor event data available.
+    */
+    void sensorEvent(CxeSensorEventHandler::SensorType type,QVariant data);
+
+protected:
+    CxeSensorEventHandler() {} // protected empty contructor so that derived class construction works
+
+private:
+    Q_DISABLE_COPY( CxeSensorEventHandler )
+};
+
+Q_DECLARE_METATYPE(Cxe::DeviceOrientation)
+
+#endif /* CXESENSOREVENTHANDLER_H_ */