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diff --git a/tools/qmlviewer/deviceorientation.h b/tools/qmlviewer/deviceorientation.h
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+/****************************************************************************
+**
+** 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 tools applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef ORIENTATION_H
+#define ORIENTATION_H
+
+#include <QObject>
+
+QT_BEGIN_NAMESPACE
+
+class DeviceOrientationPrivate;
+class DeviceOrientation : public QObject
+{
+    Q_OBJECT
+    Q_ENUMS(Orientation)
+public:
+    enum Orientation {
+        UnknownOrientation,
+        Portrait,
+        Landscape,
+        PortraitInverted,
+        LandscapeInverted
+    };
+
+    virtual Orientation orientation() const = 0;
+    virtual void setOrientation(Orientation) = 0;
+
+    virtual void pauseListening() = 0;
+    virtual void resumeListening() = 0;
+
+    static DeviceOrientation *instance();
+
+signals:
+    void orientationChanged();
+
+protected:
+    DeviceOrientation() {}
+
+private:
+    DeviceOrientationPrivate *d_ptr;
+    friend class DeviceOrientationPrivate;
+};
+
+QT_END_NAMESPACE
+
+#endif