File indexing completed on 2024-04-28 12:42:48 

0001 // SPDX-FileCopyrightText: 2022 Bharadwaj Raju <bharadwaj.raju777@protonmail.com>
0002 // SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-or-later OR LicenseRef-KDE-Accepted-GPL
0003 
0004 #pragma once
0005 
0006 #include <QObject>
0007 #include <QUrl>
0008 
0009 class NeoChatRoom;
0010 
0011 /**
0012  * @class LinkPreviewer
0013  *
0014  * A class to download the link preview info for a URL and provide a QML interface for it.
0015  *
0016  * To use set the URL property and then access the other parameters which will be
0017  * populated once loaded is true.
0018  */
0019 class LinkPreviewer : public QObject
0020 {
0021     Q_OBJECT
0022     /**
0023      * @brief The URL to get the preview for.
0024      */
0025     Q_PROPERTY(QUrl url READ url WRITE setUrl NOTIFY urlChanged)
0026 
0027     /**
0028      * @brief Whether the preview information has been loaded.
0029      */
0030     Q_PROPERTY(bool loaded READ loaded NOTIFY loadedChanged)
0031 
0032     /**
0033      * @brief The title of the preview.
0034      */
0035     Q_PROPERTY(QString title READ title NOTIFY titleChanged)
0036 
0037     /**
0038      * @brief The description of the preview.
0039      */
0040     Q_PROPERTY(QString description READ description NOTIFY descriptionChanged)
0041 
0042     /**
0043      * @brief The image source for the preview.
0044      */
0045     Q_PROPERTY(QUrl imageSource READ imageSource NOTIFY imageSourceChanged)
0046 
0047 public:
0048     explicit LinkPreviewer(QObject *parent = nullptr, NeoChatRoom *room = nullptr, const QUrl &url = {});
0049 
0050     [[nodiscard]] QUrl url() const;
0051     void setUrl(QUrl);
0052     [[nodiscard]] bool loaded() const;
0053     [[nodiscard]] QString title() const;
0054     [[nodiscard]] QString description() const;
0055     [[nodiscard]] QUrl imageSource() const;
0056 
0057 private:
0058     NeoChatRoom *m_currentRoom = nullptr;
0059 
0060     bool m_loaded;
0061     QString m_title = QString();
0062     QString m_description = QString();
0063     QUrl m_imageSource = QUrl();
0064     QUrl m_url;
0065 
0066     void loadUrlPreview();
0067 
0068 Q_SIGNALS:
0069     void loadedChanged();
0070     void titleChanged();
0071     void descriptionChanged();
0072     void imageSourceChanged();
0073     void urlChanged();
0074 };
0075 Q_DECLARE_METATYPE(LinkPreviewer *)