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diff --git a/src/plugins/sensors/blackberry/bbguihelper.h b/src/plugins/sensors/blackberry/bbguihelper.h
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+/****************************************************************************
+**
+** Copyright (C) 2012 Research In Motion
+** Contact: http://www.qt-project.org/
+**
+** 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 BBGUIHELPER_H
+#define BBGUIHELPER_H
+
+#include <QtCore/QAbstractNativeEventFilter>
+#include <QtCore/QObject>
+
+struct bps_event_t;
+
+// We can't depend on QtGui in this plugin, only on BPS.
+// This class provides replacements for some QtGui functions, implemented using BPS.
+class BbGuiHelper : public QObject, public QAbstractNativeEventFilter
+{
+    Q_OBJECT
+public:
+    explicit BbGuiHelper(QObject *parent = 0);
+    ~BbGuiHelper();
+
+    // Orientation 0 is device held in normal position (Blackberry logo readable), then orientation
+    // increases in 90 degrees steps counter-clockwise, i.e. rotating the device to the left.
+    // Therefore the range is 0 to 270 degrees.
+    int currentOrientation() const;
+
+    bool applicationActive() const;
+
+    bool nativeEventFilter(const QByteArray &eventType, void *message, long *result) Q_DECL_OVERRIDE;
+
+signals:
+    void orientationChanged();
+    void applicationActiveChanged();
+
+private:
+    int m_currentOrientation;
+    bool m_applicationActive;
+};
+
+#endif