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/****************************************************************************
**
** Copyright (C) 2013 Research In Motion.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QQMLINSTANTIATOR_P_H
#define QQMLINSTANTIATOR_P_H

#include <QtQml/qqmlcomponent.h>
#include <QtQml/qqmlparserstatus.h>

QT_BEGIN_NAMESPACE

class QQmlInstantiatorPrivate;
class Q_AUTOTEST_EXPORT QQmlInstantiator : public QObject, public QQmlParserStatus
{
    Q_OBJECT
    Q_INTERFACES(QQmlParserStatus)

    Q_PROPERTY(bool active READ isActive WRITE setActive NOTIFY activeChanged)
    Q_PROPERTY(bool asynchronous READ isAsync WRITE setAsync NOTIFY asynchronousChanged)
    Q_PROPERTY(QVariant model READ model WRITE setModel NOTIFY modelChanged)
    Q_PROPERTY(int count READ count NOTIFY countChanged)
    Q_PROPERTY(QQmlComponent *delegate READ delegate WRITE setDelegate NOTIFY delegateChanged)
    Q_PROPERTY(QObject *object READ object NOTIFY objectChanged)
    Q_CLASSINFO("DefaultProperty", "delegate")

public:
    QQmlInstantiator(QObject *parent = 0);
    virtual ~QQmlInstantiator();

    bool isActive() const;
    void setActive(bool newVal);

    bool isAsync() const;
    void setAsync(bool newVal);

    int count() const;

    QQmlComponent* delegate();
    void setDelegate(QQmlComponent* c);

    QVariant model() const;
    void setModel(const QVariant &v);

    QObject *object() const;

    Q_INVOKABLE QObject *objectAt(int index) const;

    void classBegin();
    void componentComplete();

Q_SIGNALS:
    void modelChanged();
    void delegateChanged();
    void countChanged();
    void objectChanged();
    void activeChanged();
    void asynchronousChanged();

    void objectAdded(int index, QObject* object);
    void objectRemoved(int index, QObject* object);

private:
    Q_DISABLE_COPY(QQmlInstantiator)
    Q_DECLARE_PRIVATE(QQmlInstantiator)
    Q_PRIVATE_SLOT(d_func(), void _q_createdItem(int, QObject *))
    Q_PRIVATE_SLOT(d_func(), void _q_modelUpdated(const QQmlChangeSet &, bool))
};

QT_END_NAMESPACE

#endif // QQMLCREATOR_P_H