/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
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** 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
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** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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** 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
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****************************************************************************/

#ifndef QMLSTATEGROUP_H
#define QMLSTATEGROUP_H

#include <QtDeclarative/qmlstate.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Declarative)

class QmlStateGroupPrivate;
class Q_DECLARATIVE_EXPORT QmlStateGroup : public QObject, public QmlParserStatus
{
    Q_OBJECT
    Q_INTERFACES(QmlParserStatus)
    Q_DECLARE_PRIVATE(QmlStateGroup)

    Q_PROPERTY(QString state READ state WRITE setState NOTIFY stateChanged)
    Q_PROPERTY(QmlList<QmlState *>* states READ statesProperty DESIGNABLE false)
    Q_PROPERTY(QmlList<QmlTransition *>* transitions READ transitionsProperty DESIGNABLE false)

public:
    QmlStateGroup(QObject * = 0);
    virtual ~QmlStateGroup();

    QString state() const;
    void setState(const QString &);

    QmlList<QmlState *>* statesProperty();
    QList<QmlState *> states() const;

    QmlList<QmlTransition *>* transitionsProperty();

    QmlState *findState(const QString &name) const;

    virtual void classBegin();
    virtual void componentComplete();
Q_SIGNALS:
    void stateChanged(const QString &);

private:
    friend class QmlState;
    void updateAutoState();
};

QT_END_NAMESPACE

QML_DECLARE_TYPE(QmlStateGroup)

QT_END_HEADER

#endif // QMLSTATEGROUP_H