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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
** rights. These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QQUICKLOADER_P_P_H
#define QQUICKLOADER_P_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qquickloader_p.h"
#include "qquickimplicitsizeitem_p_p.h"
#include "qquickitemchangelistener_p.h"
#include <qqmlincubator.h>
#include <private/qv4value_inl_p.h>
QT_BEGIN_NAMESPACE
class QQuickLoaderPrivate;
class QQuickLoaderIncubator : public QQmlIncubator
{
public:
QQuickLoaderIncubator(QQuickLoaderPrivate *l, IncubationMode mode) : QQmlIncubator(mode), loader(l) {}
protected:
virtual void statusChanged(Status);
virtual void setInitialState(QObject *);
private:
QQuickLoaderPrivate *loader;
};
class QQmlContext;
class QQuickLoaderPrivate : public QQuickImplicitSizeItemPrivate, public QQuickItemChangeListener
{
Q_DECLARE_PUBLIC(QQuickLoader)
public:
QQuickLoaderPrivate();
~QQuickLoaderPrivate();
void itemGeometryChanged(QQuickItem *item, const QRectF &newGeometry, const QRectF &oldGeometry);
void itemImplicitWidthChanged(QQuickItem *);
void itemImplicitHeightChanged(QQuickItem *);
void clear();
void initResize();
void load();
void incubatorStateChanged(QQmlIncubator::Status status);
void setInitialState(QObject *o);
void disposeInitialPropertyValues();
QUrl resolveSourceUrl(QQmlV4Function *args);
QV4::ReturnedValue extractInitialPropertyValues(QQmlV4Function *args, QObject *loader, bool *error);
virtual qreal getImplicitWidth() const;
virtual qreal getImplicitHeight() const;
QUrl source;
QQuickItem *item;
QObject *object;
QQmlComponent *component;
QV4::PersistentValue componentStrongReference; // To ensure GC doesn't delete components created by Qt.createComponent
QQmlContext *itemContext;
QQuickLoaderIncubator *incubator;
QV4::PersistentValue initialPropertyValues;
QV4::PersistentValue qmlGlobalForIpv;
bool updatingSize: 1;
bool active : 1;
bool loadingFromSource : 1;
bool asynchronous : 1;
void _q_sourceLoaded();
void _q_updateSize(bool loaderGeometryChanged = true);
};
QT_END_NAMESPACE
#endif // QQUICKLOADER_P_P_H
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