qquickloader_p.h - mozsearch

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// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:significant reason:default

#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 QQmlComponent;

class Q_QUICK_EXPORT QQuickLoader : public QQuickImplicitSizeItem

    Q_OBJECT

    Q_PROPERTY(bool active READ active WRITE setActive NOTIFY activeChanged)

    Q_PROPERTY(QUrl source READ source WRITE setSourceWithoutResolve 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)

    QML_NAMED_ELEMENT(Loader)

    QML_ADDED_IN_VERSION(2, 0)

public:

    QQuickLoader(QQuickItem *parent = nullptr);

    virtual ~QQuickLoader();

    bool active() const;

    void setActive(bool newVal);

    Q_INVOKABLE void setSource(const QUrl &source, QJSValue initialProperties);

    Q_INVOKABLE void setSource(const QUrl &source);

    QUrl source() const;

    void setSourceWithoutResolve(const QUrl &source);

    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 geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) override;

    void componentComplete() override;

    void itemChange(ItemChange change, const ItemChangeData &value) override;

private:

    QUrl setSourceUrlHelper(const QUrl &unresolvedUrl);

    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

#endif // QQUICKLOADER_P_H