81 lines
2.0 KiB
C++
81 lines
2.0 KiB
C++
// SPDX-FileCopyrightText: 2022 Tobias Fella <tobias.fella@kde.org>
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// SPDX-License-Identifier: LGPL-2.0-or-later
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#pragma once
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#include <QAbstractListModel>
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#include "neochatroom.h"
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/**
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* @class StateModel
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*
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* This class defines the model for visualising the state events in a room.
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*/
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class StateModel : public QAbstractListModel
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{
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Q_OBJECT
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/**
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* @brief The current room that the model is getting its state events from.
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*/
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Q_PROPERTY(NeoChatRoom *room READ room WRITE setRoom NOTIFY roomChanged)
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public:
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/**
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* @brief Defines the model roles.
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*/
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enum Roles {
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TypeRole = 0, /**< The type of the state event. */
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StateKeyRole, /**< The state key of the state event. */
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};
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Q_ENUM(Roles)
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explicit StateModel(QObject *parent = nullptr);
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NeoChatRoom *room() const;
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void setRoom(NeoChatRoom *room);
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/**
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* @brief Get the given role value at the given index.
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*
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* @sa QAbstractItemModel::data
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*/
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QVariant data(const QModelIndex &index, int role) const override;
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/**
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* @brief Number of rows in the model.
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*
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* @sa QAbstractItemModel::rowCount
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*/
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int rowCount(const QModelIndex &parent) const override;
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/**
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* @brief Returns a mapping from Role enum values to role names.
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*
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* @sa Roles, QAbstractItemModel::roleNames()
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*/
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QHash<int, QByteArray> roleNames() const override;
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/**
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* @brief Get the full JSON for an event.
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*
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* This is used to avoid having the model hold all the JSON data. The JSON for
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* a single item is only ever shown, no need to access simultaneously.
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*/
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Q_INVOKABLE QByteArray stateEventJson(const QModelIndex &index);
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Q_SIGNALS:
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void roomChanged();
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private:
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NeoChatRoom *m_room = nullptr;
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/**
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* @brief The room state events in a QList.
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*
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* This is done for performance, accessing all the data from the parent QHash
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* was slower.
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*/
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QList<std::pair<QString, QString>> m_stateEvents;
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};
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