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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 QtQml 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 QQMLINCUBATOR_H
#define QQMLINCUBATOR_H
#include <QtQml/qqmlerror.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QQmlEngine;
class QQmlIncubatorPrivate;
class Q_QML_EXPORT QQmlIncubator
{
Q_DISABLE_COPY(QQmlIncubator)
public:
enum IncubationMode {
Asynchronous,
AsynchronousIfNested,
Synchronous
};
enum Status {
Null,
Ready,
Loading,
Error
};
QQmlIncubator(IncubationMode = Asynchronous);
virtual ~QQmlIncubator();
void clear();
void forceCompletion();
bool isNull() const;
bool isReady() const;
bool isError() const;
bool isLoading() const;
QList<QQmlError> errors() const;
IncubationMode incubationMode() const;
Status status() const;
QObject *object() const;
protected:
virtual void statusChanged(Status);
virtual void setInitialState(QObject *);
private:
friend class QQmlComponent;
friend class QQmlEnginePrivate;
friend class QQmlIncubatorPrivate;
QQmlIncubatorPrivate *d;
};
class QQmlEnginePrivate;
class Q_QML_EXPORT QQmlIncubationController
{
Q_DISABLE_COPY(QQmlIncubationController)
public:
QQmlIncubationController();
virtual ~QQmlIncubationController();
QQmlEngine *engine() const;
int incubatingObjectCount() const;
void incubateFor(int msecs);
void incubateWhile(bool *flag);
protected:
virtual void incubatingObjectCountChanged(int);
private:
friend class QQmlEngine;
friend class QQmlEnginePrivate;
friend class QQmlIncubatorPrivate;
QQmlEnginePrivate *d;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QQMLINCUBATOR_H
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