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diff --git a/demos/sub-attaq/submarine.h b/demos/sub-attaq/submarine.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore module 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef __SUBMARINE__H__
+#define __SUBMARINE__H__
+
+//Qt
+#include <QtCore/QVariantAnimation>
+#include <QtGui/QGraphicsWidget>
+#include <QtGui/QGraphicsTransform>
+
+class PixmapItem;
+
+class Torpedo;
+
+class SubMarine : public QGraphicsWidget
+{
+Q_OBJECT
+public:
+    enum Movement {
+       None = 0,
+       Left,
+       Right
+    };
+    enum { Type = UserType + 1 };
+    SubMarine(int type, const QString &name, int points, QGraphicsItem * parent = 0, Qt::WindowFlags wFlags = 0);
+
+    int points();
+
+    void setCurrentDirection(Movement direction);
+    enum Movement currentDirection() const;
+
+    void setCurrentSpeed(int speed);
+    int currentSpeed() const;
+
+    void launchTorpedo(int speed);
+    void destroy();
+
+    virtual int type() const;
+
+    QGraphicsRotation *rotation() const { return graphicsRotation; }
+
+signals:
+    void subMarineDestroyed();
+    void subMarineExecutionFinished();
+    void subMarineStateChanged();
+
+private:
+    int subType;
+    QString subName;
+    int subPoints;
+    int speed;
+    Movement direction;
+    PixmapItem *pixmapItem;
+    QGraphicsRotation *graphicsRotation;
+};
+
+#endif //__SUBMARINE__H__