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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** 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 met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QDECLARATIVEINCUBATOR_H
#define QDECLARATIVEINCUBATOR_H
#include <QtDeclarative/qdeclarativeerror.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QDeclarativeEngine;
class QDeclarativeIncubatorPrivate;
class Q_DECLARATIVE_EXPORT QDeclarativeIncubator
{
Q_DISABLE_COPY(QDeclarativeIncubator)
public:
enum IncubationMode {
Asynchronous,
AsynchronousIfNested,
Synchronous
};
enum Status {
Null,
Ready,
Loading,
Error
};
QDeclarativeIncubator(IncubationMode = Asynchronous);
virtual ~QDeclarativeIncubator();
void clear();
void forceCompletion();
bool isNull() const;
bool isReady() const;
bool isError() const;
bool isLoading() const;
QList<QDeclarativeError> errors() const;
IncubationMode incubationMode() const;
Status status() const;
QObject *object() const;
protected:
virtual void statusChanged(Status);
virtual void setInitialState(QObject *);
private:
friend class QDeclarativeComponent;
friend class QDeclarativeEnginePrivate;
friend class QDeclarativeIncubatorPrivate;
QDeclarativeIncubatorPrivate *d;
};
class QDeclarativeEnginePrivate;
class Q_DECLARATIVE_EXPORT QDeclarativeIncubationController
{
Q_DISABLE_COPY(QDeclarativeIncubationController)
public:
QDeclarativeIncubationController();
virtual ~QDeclarativeIncubationController();
QDeclarativeEngine *engine() const;
int incubatingObjectCount() const;
void incubateFor(int msecs);
void incubateWhile(volatile bool *flag, int msecs=0);
protected:
virtual void incubatingObjectCountChanged(int);
private:
friend class QDeclarativeEngine;
friend class QDeclarativeEnginePrivate;
friend class QDeclarativeIncubatorPrivate;
QDeclarativeEnginePrivate *d;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QDECLARATIVEINCUBATOR_H
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