Files
neochat/src/roomlistmodel.cpp
2020-11-04 20:29:19 +01:00

282 lines
8.9 KiB
C++

#include "roomlistmodel.h"
#include "user.h"
#include "utils.h"
#include "events/roomevent.h"
#include <QBrush>
#include <QColor>
#include <QDebug>
#include <QStandardPaths>
RoomListModel::RoomListModel(QObject *parent)
: QAbstractListModel(parent)
{
}
RoomListModel::~RoomListModel()
{
}
void RoomListModel::setConnection(Connection *connection)
{
if (connection == m_connection)
return;
if (m_connection)
m_connection->disconnect(this);
if (!connection) {
qDebug() << "Removing current connection...";
m_connection = nullptr;
beginResetModel();
m_rooms.clear();
endResetModel();
return;
}
m_connection = connection;
for (SpectralRoom *room : qAsConst(m_rooms)) {
room->disconnect(this);
}
connect(connection, &Connection::connected, this, &RoomListModel::doResetModel);
connect(connection, &Connection::invitedRoom, this, &RoomListModel::updateRoom);
connect(connection, &Connection::joinedRoom, this, &RoomListModel::updateRoom);
connect(connection, &Connection::leftRoom, this, &RoomListModel::updateRoom);
connect(connection, &Connection::aboutToDeleteRoom, this, &RoomListModel::deleteRoom);
connect(connection, &Connection::directChatsListChanged, this, [=](Quotient::DirectChatsMap additions, Quotient::DirectChatsMap removals) {
const auto values = additions.values() + removals.values();
for (const QString &roomID : values) {
auto room = connection->room(roomID);
if (room)
refresh(static_cast<SpectralRoom *>(room));
}
});
doResetModel();
Q_EMIT connectionChanged();
}
void RoomListModel::doResetModel()
{
beginResetModel();
m_rooms.clear();
for (auto r : m_connection->allRooms()) {
doAddRoom(r);
}
endResetModel();
refreshNotificationCount();
}
SpectralRoom *RoomListModel::roomAt(int row) const
{
return m_rooms.at(row);
}
void RoomListModel::doAddRoom(Room *r)
{
if (auto room = static_cast<SpectralRoom *>(r)) {
m_rooms.append(room);
connectRoomSignals(room);
Q_EMIT roomAdded(room);
} else {
qCritical() << "Attempt to add nullptr to the room list";
Q_ASSERT(false);
}
}
void RoomListModel::connectRoomSignals(SpectralRoom *room)
{
connect(room, &Room::displaynameChanged, this, [=] {
refresh(room);
});
connect(room, &Room::unreadMessagesChanged, this, [=] {
refresh(room);
});
connect(room, &Room::notificationCountChanged, this, [=] {
refresh(room);
});
connect(room, &Room::avatarChanged, this, [this, room] {
refresh(room, {AvatarRole});
});
connect(room, &Room::tagsChanged, this, [=] {
refresh(room);
});
connect(room, &Room::joinStateChanged, this, [=] {
refresh(room);
});
connect(room, &Room::addedMessages, this, [=] {
refresh(room, {LastEventRole});
});
connect(room, &Room::notificationCountChanged, this, [=] {
if (room->notificationCount() == 0)
return;
if (room->timelineSize() == 0)
return;
const RoomEvent *lastEvent = room->messageEvents().rbegin()->get();
if (lastEvent->isStateEvent())
return;
User *sender = room->user(lastEvent->senderId());
if (sender == room->localUser())
return;
Q_EMIT newMessage(room->id(), lastEvent->id(), room->displayName(), sender->displayname(), room->eventToString(*lastEvent), room->avatar(128));
});
connect(room, &Room::highlightCountChanged, this, [=] {
if (room->highlightCount() == 0)
return;
if (room->timelineSize() == 0)
return;
const RoomEvent *lastEvent = room->messageEvents().rbegin()->get();
if (lastEvent->isStateEvent())
return;
User *sender = room->user(lastEvent->senderId());
if (sender == room->localUser())
return;
Q_EMIT newHighlight(room->id(), lastEvent->id(), room->displayName(), sender->displayname(), room->eventToString(*lastEvent), room->avatar(128));
});
connect(room, &Room::notificationCountChanged, this, &RoomListModel::refreshNotificationCount);
}
void RoomListModel::refreshNotificationCount()
{
int count = 0;
for (auto room : qAsConst(m_rooms)) {
count += room->notificationCount();
}
m_notificationCount = count;
Q_EMIT notificationCountChanged();
}
void RoomListModel::updateRoom(Room *room, Room *prev)
{
// There are two cases when this method is called:
// 1. (prev == nullptr) adding a new room to the room list
// 2. (prev != nullptr) accepting/rejecting an invitation or inviting to
// the previously left room (in both cases prev has the previous state).
if (prev == room) {
qCritical() << "RoomListModel::updateRoom: room tried to replace itself";
refresh(static_cast<SpectralRoom *>(room));
return;
}
if (prev && room->id() != prev->id()) {
qCritical() << "RoomListModel::updateRoom: attempt to update room" << room->id() << "to" << prev->id();
// That doesn't look right but technically we still can do it.
}
// Ok, we're through with pre-checks, now for the real thing.
auto newRoom = static_cast<SpectralRoom *>(room);
const auto it = std::find_if(m_rooms.begin(), m_rooms.end(), [=](const SpectralRoom *r) {
return r == prev || r == newRoom;
});
if (it != m_rooms.end()) {
const int row = it - m_rooms.begin();
// There's no guarantee that prev != newRoom
if (*it == prev && *it != newRoom) {
prev->disconnect(this);
m_rooms.replace(row, newRoom);
connectRoomSignals(newRoom);
}
Q_EMIT dataChanged(index(row), index(row));
} else {
beginInsertRows(QModelIndex(), m_rooms.count(), m_rooms.count());
doAddRoom(newRoom);
endInsertRows();
}
}
void RoomListModel::deleteRoom(Room *room)
{
qDebug() << "Deleting room" << room->id();
const auto it = std::find(m_rooms.begin(), m_rooms.end(), room);
if (it == m_rooms.end())
return; // Already deleted, nothing to do
qDebug() << "Erasing room" << room->id();
const int row = it - m_rooms.begin();
beginRemoveRows(QModelIndex(), row, row);
m_rooms.erase(it);
endRemoveRows();
}
int RoomListModel::rowCount(const QModelIndex &parent) const
{
if (parent.isValid())
return 0;
return m_rooms.count();
}
QVariant RoomListModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid())
return QVariant();
if (index.row() >= m_rooms.count()) {
qDebug() << "UserListModel: something wrong here...";
return QVariant();
}
SpectralRoom *room = m_rooms.at(index.row());
if (role == NameRole)
return room->displayName();
if (role == AvatarRole)
return room->avatarMediaId();
if (role == TopicRole)
return room->topic();
if (role == CategoryRole) {
if (room->joinState() == JoinState::Invite)
return RoomType::Invited;
if (room->isFavourite())
return RoomType::Favorite;
if (room->isDirectChat())
return RoomType::Direct;
if (room->isLowPriority())
return RoomType::Deprioritized;
return RoomType::Normal;
}
if (role == UnreadCountRole)
return room->unreadCount();
if (role == NotificationCountRole)
return room->notificationCount();
if (role == HighlightCountRole)
return room->highlightCount();
if (role == LastEventRole)
return room->lastEvent();
if (role == LastActiveTimeRole)
return room->lastActiveTime();
if (role == JoinStateRole) {
if (!room->successorId().isEmpty())
return QStringLiteral("upgraded");
return toCString(room->joinState());
}
if (role == CurrentRoomRole)
return QVariant::fromValue(room);
return QVariant();
}
void RoomListModel::refresh(SpectralRoom *room, const QVector<int> &roles)
{
const auto it = std::find(m_rooms.begin(), m_rooms.end(), room);
if (it == m_rooms.end()) {
qCritical() << "Room" << room->id() << "not found in the room list";
return;
}
const auto idx = index(it - m_rooms.begin());
Q_EMIT dataChanged(idx, idx, roles);
}
QHash<int, QByteArray> RoomListModel::roleNames() const
{
QHash<int, QByteArray> roles;
roles[NameRole] = "name";
roles[AvatarRole] = "avatar";
roles[TopicRole] = "topic";
roles[CategoryRole] = "category";
roles[UnreadCountRole] = "unreadCount";
roles[NotificationCountRole] = "notificationCount";
roles[HighlightCountRole] = "highlightCount";
roles[LastEventRole] = "lastEvent";
roles[LastActiveTimeRole] = "lastActiveTime";
roles[JoinStateRole] = "joinState";
roles[CurrentRoomRole] = "currentRoom";
return roles;
}