/****************************************************************************+
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**+
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtCore module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef __GRAPHICSSCENE__H__+
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#define __GRAPHICSSCENE__H__+
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+
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//Qt+
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#include <QtGui/QGraphicsScene>+
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#include <QtCore/QSet>+
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#include <QtCore/QState>+
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+
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+
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class Boat;+
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class SubMarine;+
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class Torpedo;+
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class Bomb;+
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class PixmapItem;+
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class ProgressItem;+
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class TextInformationItem;+
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QT_BEGIN_NAMESPACE+
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class QAction;+
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QT_END_NAMESPACE+
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+
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class GraphicsScene : public QGraphicsScene+
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{+
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Q_OBJECT+
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public:+
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    enum Mode {+
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        Big = 0,+
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        Small+
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    };+
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+
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    struct SubmarineDescription {+
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        int type;+
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        int points;+
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        QString name;+
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    };+
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+
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    struct LevelDescription {+
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        int id;+
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        QString name;+
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        QList<QPair<int,int> > submarines;+
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    };+
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+
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    GraphicsScene(int x, int y, int width, int height, Mode mode = Big);+
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    qreal sealLevel() const;+
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    void setupScene(QAction *newAction, QAction *quitAction);+
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    void addItem(Bomb *bomb);+
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    void addItem(Torpedo *torpedo);+
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    void addItem(SubMarine *submarine);+
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    void addItem(QGraphicsItem *item);+
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    void clearScene();+
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+
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signals:+
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    void subMarineDestroyed(int);+
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    void allSubMarineDestroyed(int);+
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+
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private slots:+
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    void onBombExecutionFinished();+
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    void onTorpedoExecutionFinished();+
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    void onSubMarineExecutionFinished();+
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+
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private:+
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    Mode mode;+
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    ProgressItem *progressItem;+
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    TextInformationItem *textInformationItem;+
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    Boat *boat;+
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    QSet<SubMarine *> submarines;+
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    QSet<Bomb *> bombs;+
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    QSet<Torpedo *> torpedos;+
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    QVector<SubmarineDescription> submarinesData;+
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    QHash<int, LevelDescription> levelsData;+
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+
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    friend class PauseState;+
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    friend class PlayState;+
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    friend class LevelState;+
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    friend class LostState;+
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    friend class WinState;+
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    friend class WinTransition;+
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    friend class UpdateScoreTransition;+
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};+
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+
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#endif //__GRAPHICSSCENE__H__+
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+
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