diff -r 000000000000 -r 1918ee327afb demos/sub-attaq/submarine_p.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/demos/sub-attaq/submarine_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,137 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples 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 SUBMARINE_P_H
+#define SUBMARINE_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+//Own
+#include "animationmanager.h"
+#include "submarine.h"
+#include "qanimationstate.h"
+
+//Qt
+#include <QtCore/QPropertyAnimation>
+#include <QtGui/QGraphicsScene>
+
+//This state is describing when the boat is moving right
+class MovementState : public QAnimationState
+{
+Q_OBJECT
+public:
+    MovementState(SubMarine *submarine, QState *parent = 0) : QAnimationState(parent)
+    {
+        movementAnimation = new QPropertyAnimation(submarine, "pos");
+        connect(movementAnimation,SIGNAL(valueChanged(const QVariant &)),this,SLOT(onAnimationMovementValueChanged(const QVariant &)));
+        setAnimation(movementAnimation);
+        AnimationManager::self()->registerAnimation(movementAnimation);
+        this->submarine = submarine;
+    }
+
+protected slots:
+    void onAnimationMovementValueChanged(const QVariant &)
+    {
+        if (qrand() % 200 + 1 == 3)
+            submarine->launchTorpedo(qrand() % 3 + 1);
+    }
+
+protected:
+    void onEntry(QEvent *e)
+    {
+        if (submarine->currentDirection() == SubMarine::Left) {
+            movementAnimation->setEndValue(QPointF(0,submarine->y()));
+            movementAnimation->setDuration(submarine->x()/submarine->currentSpeed()*12);
+        }
+        else /*if (submarine->currentDirection() == SubMarine::Right)*/ {
+            movementAnimation->setEndValue(QPointF(submarine->scene()->width()-submarine->size().width(),submarine->y()));
+            movementAnimation->setDuration((submarine->scene()->width()-submarine->size().width()-submarine->x())/submarine->currentSpeed()*12);
+        }
+        QAnimationState::onEntry(e);
+    }
+
+private:
+    SubMarine *submarine;
+    QPropertyAnimation *movementAnimation;
+};
+
+//This state is describing when the boat is moving right
+class ReturnState : public QAnimationState
+{
+public:
+    ReturnState(SubMarine *submarine, QState *parent = 0) : QAnimationState(parent)
+    {
+        returnAnimation = new QPropertyAnimation(submarine->rotation(), "angle");
+        returnAnimation->setDuration(500);
+        AnimationManager::self()->registerAnimation(returnAnimation);
+        setAnimation(returnAnimation);
+        this->submarine = submarine;
+    }
+
+protected:
+    void onEntry(QEvent *e)
+    {
+        returnAnimation->stop();
+        returnAnimation->setEndValue(submarine->currentDirection() == SubMarine::Right ? 360. : 180.);
+        QAnimationState::onEntry(e);
+    }
+
+    void onExit(QEvent *e)
+    {
+        submarine->currentDirection() == SubMarine::Right ? submarine->setCurrentDirection(SubMarine::Left) : submarine->setCurrentDirection(SubMarine::Right);
+        QAnimationState::onExit(e);
+    }
+
+private:
+    SubMarine *submarine;
+    QPropertyAnimation *returnAnimation;
+};
+
+#endif // SUBMARINE_P_H