File indexing completed on 2024-05-05 05:01:27

 // SPDX-FileCopyrightText: 2018-2020 Black Hat <bhat@encom.eu.org>
 // SPDX-License-Identifier: GPL-3.0-only
 
 #include "userlistmodel.h"
 
 #include <QGuiApplication>
 
 #include <Quotient/connection.h>
 #include <Quotient/events/roompowerlevelsevent.h>
 
 #include "neochatroom.h"
 
 using namespace Quotient;
 
 UserListModel::UserListModel(QObject *parent)
     : QAbstractListModel(parent)
     , m_currentRoom(nullptr)
 {
 }
 
 void UserListModel::setRoom(NeoChatRoom *room)
 {
     if (m_currentRoom == room) {
         return;
     }
 
     if (m_currentRoom) {
         m_currentRoom->disconnect(this);
     }
     m_currentRoom = room;
 
     if (m_currentRoom) {
         connect(m_currentRoom, &Room::userAdded, this, &UserListModel::userAdded);
         connect(m_currentRoom, &Room::userRemoved, this, &UserListModel::userRemoved);
         connect(m_currentRoom, &Room::memberAboutToRename, this, &UserListModel::userRemoved);
         connect(m_currentRoom, &Room::memberRenamed, this, &UserListModel::userAdded);
         connect(m_currentRoom, &Room::changed, this, &UserListModel::refreshAllUsers);
     }
 
     refreshAllUsers();
     Q_EMIT roomChanged();
 }
 
 NeoChatRoom *UserListModel::room() const
 {
     return m_currentRoom;
 }
 
 Quotient::User *UserListModel::userAt(QModelIndex index) const
 {
     if (index.row() < 0 || index.row() >= m_users.size()) {
         return nullptr;
     }
     return m_users.at(index.row());
 }
 
 QVariant UserListModel::data(const QModelIndex &index, int role) const
 {
     if (!index.isValid()) {
         return QVariant();
     }
 
     if (index.row() >= m_users.count()) {
         qDebug() << "UserListModel, something's wrong: index.row() >= "
                     "users.count()";
         return {};
     }
     auto user = m_users.at(index.row());
     if (role == DisplayNameRole) {
         return user->displayname(m_currentRoom);
     }
     if (role == UserIdRole) {
         return user->id();
     }
     if (role == AvatarRole) {
         return m_currentRoom->avatarForMember(user);
     }
     if (role == ObjectRole) {
         return QVariant::fromValue(user);
     }
     if (role == PowerLevelRole) {
         auto plEvent = m_currentRoom->currentState().get<RoomPowerLevelsEvent>();
         if (!plEvent) {
             return 0;
         }
         return plEvent->powerLevelForUser(user->id());
     }
     if (role == PowerLevelStringRole) {
         auto pl = m_currentRoom->currentState().get<RoomPowerLevelsEvent>();
         // User might not in the room yet, in this case pl can be nullptr.
         // e.g. When invited but user not accepted or denied the invitation.
         if (!pl) {
             return QStringLiteral("Not Available");
         }
 
         auto userPl = pl->powerLevelForUser(user->id());
 
         switch (userPl) {
         case 0:
             return QStringLiteral("Member");
         case 50:
             return QStringLiteral("Moderator");
         case 100:
             return QStringLiteral("Admin");
         default:
             return QStringLiteral("Custom");
         }
     }
 
     return {};
 }
 
 int UserListModel::rowCount(const QModelIndex &parent) const
 {
     if (parent.isValid()) {
         return 0;
     }
     return m_users.count();
 }
 
 bool UserListModel::event(QEvent *event)
 {
     if (event->type() == QEvent::ApplicationPaletteChange) {
         refreshAllUsers();
     }
     return QObject::event(event);
 }
 
 void UserListModel::userAdded(Quotient::User *user)
 {
     auto pos = findUserPos(user);
     beginInsertRows(QModelIndex(), pos, pos);
     m_users.insert(pos, user);
     endInsertRows();
     connect(user, &User::defaultAvatarChanged, this, [this, user]() {
         refreshUser(user, {AvatarRole});
     });
 }
 
 void UserListModel::userRemoved(Quotient::User *user)
 {
     auto pos = findUserPos(user);
     if (pos != m_users.size()) {
         beginRemoveRows(QModelIndex(), pos, pos);
         m_users.removeAt(pos);
         endRemoveRows();
         user->disconnect(this);
     } else {
         qWarning() << "Trying to remove a room member not in the user list";
     }
 }
 
 void UserListModel::refreshUser(Quotient::User *user, const QList<int> &roles)
 {
     auto pos = findUserPos(user);
     if (pos != m_users.size()) {
         Q_EMIT dataChanged(index(pos), index(pos), roles);
     } else {
         qWarning() << "Trying to access a room member not in the user list";
     }
 }
 
 void UserListModel::refreshAllUsers()
 {
     beginResetModel();
     for (User *user : std::as_const(m_users)) {
         user->disconnect(this);
     }
     m_users.clear();
 
     if (m_currentRoom != nullptr) {
         m_users = m_currentRoom->users();
         std::sort(m_users.begin(), m_users.end(), m_currentRoom->memberSorter());
 
         for (User *user : std::as_const(m_users)) {
             connect(user, &User::defaultAvatarChanged, this, [this, user]() {
                 refreshUser(user, {AvatarRole});
             });
         }
         connect(m_currentRoom->connection(), &Connection::loggedOut, this, [this]() {
             setRoom(nullptr);
         });
     }
     endResetModel();
     Q_EMIT usersRefreshed();
 }
 
 int UserListModel::findUserPos(Quotient::User *user) const
 {
     return findUserPos(m_currentRoom->safeMemberName(user->id()));
 }
 
 int UserListModel::findUserPos(const QString &username) const
 {
     if (!m_currentRoom) {
         return 0;
     }
     return m_currentRoom->memberSorter().lowerBoundIndex(m_users, username);
 }
 
 QHash<int, QByteArray> UserListModel::roleNames() const
 {
     QHash<int, QByteArray> roles;
 
     roles[DisplayNameRole] = "name";
     roles[UserIdRole] = "userId";
     roles[AvatarRole] = "avatar";
     roles[ObjectRole] = "user";
     roles[PowerLevelRole] = "powerLevel";
     roles[PowerLevelStringRole] = "powerLevelString";
 
     return roles;
 }
 
 #include "moc_userlistmodel.cpp"