File indexing completed on 2024-05-05 16:58:37

 // SPDX-FileCopyrightText: 2021 Carson Black <uhhadd@gmail.com>
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
 #include <QAbstractListModel>
 #include <QRegularExpression>
 #include <memory>
 
 struct CustomEmoji {
     QString name; // with :semicolons:
     QString url; // mxc://
     QRegularExpression regexp;
 
     Q_GADGET
     Q_PROPERTY(QString unicode MEMBER url)
     Q_PROPERTY(QString name MEMBER name)
 };
 
 /**
  * @class CustomEmojiModel
  *
  * This class defines the model for custom user emojis.
  *
  * This is based upon the im.ponies.user_emotes spec (MSC2545).
  */
 class CustomEmojiModel : public QAbstractListModel
 {
     Q_OBJECT
 
 public:
     /**
      * @brief Defines the model roles.
      */
     enum Roles {
         Name = Qt::DisplayRole, /**< The name of the emoji. */
         ImageURL, /**< The URL for the custom emoji. */
         ModelData, /**< for emulating the regular emoji model's usage, otherwise the UI code would get too complicated. */
         MxcUrl = 50, /**< The mxc source URL for the custom emoji. */
         DisplayRole = 51, /**< The name of the emoji. For compatibility with EmojiModel. */
         ReplacedTextRole = 52, /**< The name of the emoji. For compatibility with EmojiModel. */
         DescriptionRole = 53, /**< Invalid, reserved. For compatibility with EmojiModel. */
     };
     Q_ENUM(Roles)
 
     static CustomEmojiModel &instance()
     {
         static CustomEmojiModel _instance;
         return _instance;
     }
 
     /**
      * @brief Get the given role value at the given index.
      *
      * @sa QAbstractItemModel::data
      */
     QVariant data(const QModelIndex &idx, int role = Qt::DisplayRole) const override;
 
     /**
      * @brief Number of rows in the model.
      *
      * @sa  QAbstractItemModel::rowCount
      */
     int rowCount(const QModelIndex &parent = QModelIndex()) const override;
 
     /**
      * @brief Returns a mapping from Role enum values to role names.
      *
      * @sa Roles, QAbstractItemModel::roleNames()
      */
     QHash<int, QByteArray> roleNames() const override;
 
     /**
      * @brief Substitute any custom emojis for an image in the input text.
      */
     Q_INVOKABLE QString preprocessText(const QString &it);
 
     /**
      * @brief Return a list of custom emojis where the name contains the filter text.
      */
     Q_INVOKABLE QVariantList filterModel(const QString &filter);
 
     /**
      * @brief Add a new emoji to the model.
      */
     Q_INVOKABLE void addEmoji(const QString &name, const QUrl &location);
 
     /**
      * @brief Remove an emoji from the model.
      */
     Q_INVOKABLE void removeEmoji(const QString &name);
 
 private:
     explicit CustomEmojiModel(QObject *parent = nullptr);
     QList<CustomEmoji> m_emojis;
 
     void fetchEmojis();
 };