042032ec46
Update the user model so it also sorts by power level and update how we initialize the model to improve performance. The following is also changed: - Store a single `UserListModel` in `RoomManager` and use it for everything, this means we don't create extra models (incluiding the long initialisation for each in big rooms) - By using the single model once it has loaded the users of the new room opening and closing the draw now happens instantly (previously the model would have to be loaded every time the drawer was opened). - To stop the initial loading and room change of Neochat slowing down (as the `UserListModel` would be loaded before the `TimelineView` is shown) the initialisation of the model is delayed until the `TimelineView` has loaded. This prioritises showing some messages in the timeline over populating the model so in large rooms the user list will initially be blank, but this keeps the initial load snappier.
104 lines
2.7 KiB
C++
104 lines
2.7 KiB
C++
// SPDX-FileCopyrightText: 2018 Black Hat <bhat@encom.eu.org>
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// SPDX-License-Identifier: GPL-3.0-only
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#pragma once
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#include <Quotient/room.h>
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#include <QAbstractListModel>
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#include <QObject>
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#include <QPointer>
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#include <QQmlEngine>
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class NeoChatRoom;
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namespace Quotient
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{
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class User;
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}
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/**
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* @class UserListModel
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*
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* This class defines the model for listing the users in a room.
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*
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* As well as gathering all the users from a room, the model ensures that they are
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* sorted in alphabetical order.
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*
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* @sa NeoChatRoom
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*/
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class UserListModel : public QAbstractListModel
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{
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Q_OBJECT
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QML_ELEMENT
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/**
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* @brief The room that the model is getting its users 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 EventRoles {
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DisplayNameRole = Qt::DisplayRole, /**< The user's display name in the current room. */
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UserIdRole, /**< Matrix ID of the user. */
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AvatarRole, /**< The source URL for the user's avatar in the current room. */
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ObjectRole, /**< The QObject for the user. */
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PowerLevelRole, /**< The user's power level in the current room. */
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PowerLevelStringRole, /**< The name of the user's power level in the current room. */
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};
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Q_ENUM(EventRoles)
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explicit UserListModel(QObject *parent = nullptr);
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[[nodiscard]] 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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[[nodiscard]] 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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[[nodiscard]] int rowCount(const QModelIndex &parent = QModelIndex()) 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 EventRoles, QAbstractItemModel::roleNames()
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*/
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[[nodiscard]] QHash<int, QByteArray> roleNames() const override;
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void activate();
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Q_SIGNALS:
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void roomChanged();
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void usersRefreshed();
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protected:
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bool event(QEvent *event) override;
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private Q_SLOTS:
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void memberJoined(const Quotient::RoomMember &member);
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void memberLeft(const Quotient::RoomMember &member);
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void refreshMember(const Quotient::RoomMember &member, const QList<int> &roles = {});
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void refreshAllMembers();
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private:
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QPointer<NeoChatRoom> m_currentRoom;
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QList<QString> m_members;
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bool m_active = false;
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int findUserPos(const Quotient::RoomMember &member) const;
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[[nodiscard]] int findUserPos(const QString &username) const;
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};
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