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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtQuick 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 QQUICKLOADER_P_H
#define QQUICKLOADER_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 "qquickimplicitsizeitem_p.h"
QT_BEGIN_NAMESPACE
class QQuickLoaderPrivate;
class Q_AUTOTEST_EXPORT QQuickLoader : public QQuickImplicitSizeItem
{
Q_OBJECT
Q_PROPERTY(bool active READ active WRITE setActive NOTIFY activeChanged)
Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged)
Q_PROPERTY(QQmlComponent *sourceComponent READ sourceComponent WRITE setSourceComponent RESET resetSourceComponent NOTIFY sourceComponentChanged)
Q_PROPERTY(QObject *item READ item NOTIFY itemChanged)
Q_PROPERTY(Status status READ status NOTIFY statusChanged)
Q_PROPERTY(qreal progress READ progress NOTIFY progressChanged)
Q_PROPERTY(bool asynchronous READ asynchronous WRITE setAsynchronous NOTIFY asynchronousChanged)
public:
QQuickLoader(QQuickItem *parent = 0);
virtual ~QQuickLoader();
bool active() const;
void setActive(bool newVal);
Q_INVOKABLE void setSource(QQmlV4Function *);
QUrl source() const;
void setSource(const QUrl &);
QQmlComponent *sourceComponent() const;
void setSourceComponent(QQmlComponent *);
void resetSourceComponent();
enum Status { Null, Ready, Loading, Error };
Q_ENUM(Status)
Status status() const;
qreal progress() const;
bool asynchronous() const;
void setAsynchronous(bool a);
QObject *item() const;
Q_SIGNALS:
void itemChanged();
void activeChanged();
void sourceChanged();
void sourceComponentChanged();
void statusChanged();
void progressChanged();
void loaded();
void asynchronousChanged();
protected:
void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) Q_DECL_OVERRIDE;
void componentComplete() Q_DECL_OVERRIDE;
private:
void setSource(const QUrl &sourceUrl, bool needsClear);
void loadFromSource();
void loadFromSourceComponent();
Q_DISABLE_COPY(QQuickLoader)
Q_DECLARE_PRIVATE(QQuickLoader)
Q_PRIVATE_SLOT(d_func(), void _q_sourceLoaded())
Q_PRIVATE_SLOT(d_func(), void _q_updateSize())
};
QT_END_NAMESPACE
QML_DECLARE_TYPE(QQuickLoader)
#endif // QQUICKLOADER_P_H
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