/****************************************************************************

**

** All rights reserved.

** 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 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 STATES_H

#define STATES_H

//Qt

#include <QtCore/QState>

#include <QtCore/QSignalTransition>

#include <QtCore/QPropertyAnimation>

#include <QtGui/QKeyEventTransition>

#include <QtCore/QSet>

class GraphicsScene;

class Boat;

class SubMarine;

QT_BEGIN_NAMESPACE

class QStateMachine;

QT_END_NAMESPACE

class PlayState : public QState

{

public:

    PlayState(GraphicsScene *scene, QState *parent = 0);

    ~PlayState();

 protected:

    void onEntry(QEvent *);

private :

    GraphicsScene *scene;

    QStateMachine *machine;

    int currentLevel;

    int score;

    QState *parallelChild;

    friend class UpdateScoreState;

    friend class UpdateScoreTransition;

    friend class WinTransition;

    friend class CustomSpaceTransition;

    friend class WinState;

    friend class LostState;

    friend class LevelState;

};

class LevelState : public QState

{

public:

    LevelState(GraphicsScene *scene, PlayState *game, QState *parent = 0);

protected:

    void onEntry(QEvent *);

private :

    void initializeLevel();

    GraphicsScene *scene;

    PlayState *game;

};

class PauseState : public QState

{

public:

    PauseState(GraphicsScene *scene, QState *parent = 0);

protected:

    void onEntry(QEvent *);

    void onExit(QEvent *);

private :

    GraphicsScene *scene;

    Boat *boat;

};

class LostState : public QState

{

public:

    LostState(GraphicsScene *scene, PlayState *game, QState *parent = 0);

protected:

    void onEntry(QEvent *);

    void onExit(QEvent *);

private :

    GraphicsScene *scene;

    PlayState *game;

};

class WinState : public QState

{

public:

    WinState(GraphicsScene *scene, PlayState *game, QState *parent = 0);

protected:

    void onEntry(QEvent *);

    void onExit(QEvent *);

private :

    GraphicsScene *scene;

    PlayState *game;

};

class UpdateScoreState : public QState

{

public:

    UpdateScoreState(PlayState *game, QState *parent);

private:

    QPropertyAnimation *scoreAnimation;

    PlayState *game;

};

//These transtion is used to update the score

class UpdateScoreTransition : public QSignalTransition

{

public:

    UpdateScoreTransition(GraphicsScene *scene, PlayState *game, QAbstractState *target);

protected:

    virtual bool eventTest(QEvent *event);

private:

    PlayState * game;

    GraphicsScene *scene;

};

//These transtion test if we have won the game

class WinTransition : public QSignalTransition

{

public:

    WinTransition(GraphicsScene *scene, PlayState *game, QAbstractState *target);

protected:

    virtual bool eventTest(QEvent *event);

private:

    PlayState * game;

    GraphicsScene *scene;

};

//These transtion is true if one level has been completed and the player want to continue

 class CustomSpaceTransition : public QKeyEventTransition

{

public:

    CustomSpaceTransition(QWidget *widget, PlayState *game, QEvent::Type type, int key);

protected:

    virtual bool eventTest(QEvent *event);

private:

    PlayState *game;

    int key;

};

#endif // STATES_H