/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Nokia Corporation (qt-info@nokia.com)
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** This file is part of SCXML on Qt labs
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** No Commercial Usage
** This file contains pre-release code and may not be distributed.
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** contained in the Technology Preview License Agreement accompanying
** this package.
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** GNU Lesser General Public License Usage
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** 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
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** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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****************************************************************************/
#ifndef QMLSCXML_H
#define QMLSCXML_H

#include <QObject>
#include <QSet>
#include "qml.h"

class QAbstractState;
class QmlScxml : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged)
    Q_PROPERTY(QObject* states READ states NOTIFY statesChanged)
    Q_PROPERTY(QObject* events READ events NOTIFY eventsChanged)
    Q_PROPERTY(QObject* data READ data NOTIFY dataChanged)
    Q_PROPERTY(QObject* current READ current NOTIFY currentChanged)
    Q_PROPERTY(bool running READ isRunning WRITE setRunning NOTIFY runningChanged)

public:
    QmlScxml(QObject* o = NULL);
    virtual ~QmlScxml();
    QObject* states() const;
    QObject* events() const;
    QObject* data() const;
    QObject* current() const;
    QUrl source() const;
    void setSource(const QUrl &);
    bool isRunning() const;
    void setRunning(bool);

public slots:
    void raise(const QString &);
    void stop();
    void start();

signals:
    void sourceChanged(const QUrl &);
    void statesChanged(QObject*);
    void eventsChanged(QObject*);
    void dataChanged(QObject*);
    void currentChanged(QObject*);
    void trigger(const QString & e);
    void runningChanged();
    void finished();
private slots:
    void onDataChanged(const QString &, const QVariant &);
    void onDataChanged(const QString &);
    void checkConfig();
private:
    class QmlPropertyMap* m_states;
    class QmlPropertyMap* m_events;
    class QmlPropertyMap* m_data;
    class QmlPropertyMap* m_cur;
    QMap<QAbstractState*,QString> m_idForState;
    QUrl m_source;
    QSet<QAbstractState*> m_oldConfig;
    class QScxml* scxml;
};

QML_DECLARE_TYPE(QmlScxml);

#endif // QMLSCXML_H