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neochat/src/models/reactionmodel.h

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// SPDX-FileCopyrightText: 2023 James Graham <james.h.graham@protonmail.com>
// SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
#pragma once
#include <QAbstractListModel>
namespace Quotient
{
class User;
}
/**
* @class ReactionModel
*
* This class defines the model for visualising a list of reactions to an event.
*/
class ReactionModel : public QAbstractListModel
{
Q_OBJECT
public:
/**
* @brief Definition of an reaction.
*/
struct Reaction {
QString reaction; /**< The reaction emoji. */
QVariantList authors; /**< The list of authors who sent the given reaction. */
};
/**
* @brief Defines the model roles.
*/
enum Roles {
TextRole = Qt::DisplayRole, /**< The text to show in the reaction. */
ReactionRole, /**< The reaction emoji. */
ToolTipRole, /**< The tool tip to show for the reaction. */
AuthorsRole, /**< The list of authors who sent the given reaction. */
HasLocalUser, /**< Whether the local user is in the list of authors. */
};
explicit ReactionModel(QObject *parent = nullptr, QList<Reaction> reactions = {}, Quotient::User *localUser = nullptr);
/**
* @brief Get the given role value at the given index.
*
* @sa QAbstractItemModel::data
*/
[[nodiscard]] QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
/**
* @brief Number of rows in the model.
*
* @sa QAbstractItemModel::rowCount
*/
[[nodiscard]] int rowCount(const QModelIndex &parent = QModelIndex()) const override;
/**
* @brief Returns a mapping from Role enum values to role names.
*
* @sa Roles, QAbstractItemModel::roleNames()
*/
[[nodiscard]] QHash<int, QByteArray> roleNames() const override;
/**
* @brief Set the reactions data in the model.
*/
void setReactions(QList<Reaction> reactions);
private:
QList<Reaction> m_reactions;
Quotient::User *m_localUser;
};
Q_DECLARE_METATYPE(ReactionModel *)