/****************************************************************************
**
** Copyright (C) 2011 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the 
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
** 
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
****************************************************************************/

#ifndef QEVENTTRANSITION_H
#define QEVENTTRANSITION_H

#include <QtCore/qabstracttransition.h>
#include <QtCore/qcoreevent.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Core)

#ifndef QT_NO_STATEMACHINE

class QEventTransitionPrivate;
class Q_CORE_EXPORT QEventTransition : public QAbstractTransition
{
    Q_OBJECT
    Q_PROPERTY(QObject* eventSource READ eventSource WRITE setEventSource)
    Q_PROPERTY(QEvent::Type eventType READ eventType WRITE setEventType)
public:
    QEventTransition(QState *sourceState = 0);
    QEventTransition(QObject *object, QEvent::Type type, QState *sourceState = 0);
    ~QEventTransition();

    QObject *eventSource() const;
    void setEventSource(QObject *object);

    QEvent::Type eventType() const;
    void setEventType(QEvent::Type type);

protected:
    bool eventTest(QEvent *event);
    void onTransition(QEvent *event);

    bool event(QEvent *e);

protected:
    QEventTransition(QEventTransitionPrivate &dd, QState *parent);
    QEventTransition(QEventTransitionPrivate &dd, QObject *object,
                     QEvent::Type type, QState *parent);

private:
    Q_DISABLE_COPY(QEventTransition)
    Q_DECLARE_PRIVATE(QEventTransition)
};

#endif //QT_NO_STATEMACHINE

QT_END_NAMESPACE

QT_END_HEADER

#endif
