Spectral/src/messageeventmodel.cpp

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#include "messageeventmodel.h"
#include <connection.h>
#include <settings.h>
#include <user.h>
#include <events/redactionevent.h>
#include <events/roomavatarevent.h>
#include <events/roommemberevent.h>
#include <events/simplestateevents.h>
#include <QtCore/QDebug>
#include <QtQml> // for qmlRegisterType()
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#include "utils.h"
QHash<int, QByteArray> MessageEventModel::roleNames() const {
QHash<int, QByteArray> roles = QAbstractItemModel::roleNames();
roles[EventTypeRole] = "eventType";
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roles[MessageRole] = "message";
roles[AboveEventTypeRole] = "aboveEventType";
roles[EventIdRole] = "eventId";
roles[TimeRole] = "time";
roles[AboveTimeRole] = "aboveTime";
roles[SectionRole] = "section";
roles[AboveSectionRole] = "aboveSection";
roles[AuthorRole] = "author";
roles[AboveAuthorRole] = "aboveAuthor";
roles[ContentRole] = "content";
roles[ContentTypeRole] = "contentType";
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roles[HighlightRole] = "highlight";
roles[ReadMarkerRole] = "readMarker";
roles[SpecialMarksRole] = "marks";
roles[LongOperationRole] = "progressInfo";
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roles[AnnotationRole] = "annotation";
roles[EventResolvedTypeRole] = "eventResolvedType";
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roles[ReplyEventIdRole] = "replyEventId";
roles[ReplyAuthorRole] = "replyAuthor";
roles[ReplyDisplayRole] = "replyDisplay";
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roles[UserMarkerRole] = "userMarker";
return roles;
}
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MessageEventModel::MessageEventModel(QObject* parent)
: QAbstractListModel(parent), m_currentRoom(nullptr) {
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using namespace QMatrixClient;
qmlRegisterType<FileTransferInfo>();
qRegisterMetaType<FileTransferInfo>();
qmlRegisterUncreatableType<EventStatus>(
"Spectral", 0, 1, "EventStatus", "EventStatus is not an creatable type");
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}
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MessageEventModel::~MessageEventModel() {}
void MessageEventModel::setRoom(SpectralRoom* room) {
if (room == m_currentRoom)
return;
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beginResetModel();
if (m_currentRoom) {
m_currentRoom->disconnect(this);
}
m_currentRoom = room;
if (room) {
lastReadEventId = room->readMarkerEventId();
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using namespace QMatrixClient;
connect(m_currentRoom, &Room::aboutToAddNewMessages, this,
[=](RoomEventsRange events) {
beginInsertRows({}, timelineBaseIndex(),
timelineBaseIndex() + int(events.size()) - 1);
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});
connect(m_currentRoom, &Room::aboutToAddHistoricalMessages, this,
[=](RoomEventsRange events) {
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if (rowCount() > 0)
rowBelowInserted = rowCount() - 1; // See #312
beginInsertRows({}, rowCount(),
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rowCount() + int(events.size()) - 1);
});
connect(m_currentRoom, &Room::addedMessages, this,
[=](int lowest, int biggest) {
endInsertRows();
if (biggest < m_currentRoom->maxTimelineIndex()) {
auto rowBelowInserted = m_currentRoom->maxTimelineIndex() -
biggest + timelineBaseIndex() - 1;
refreshEventRoles(rowBelowInserted,
{AboveEventTypeRole, AboveAuthorRole,
AboveSectionRole, AboveTimeRole});
}
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for (auto i = m_currentRoom->maxTimelineIndex() - biggest;
i <= m_currentRoom->maxTimelineIndex() - lowest; ++i)
refreshLastUserEvents(i);
});
connect(m_currentRoom, &Room::pendingEventAboutToAdd, this,
[this] { beginInsertRows({}, 0, 0); });
connect(m_currentRoom, &Room::pendingEventAdded, this,
&MessageEventModel::endInsertRows);
connect(m_currentRoom, &Room::pendingEventAboutToMerge, this,
[this](RoomEvent*, int i) {
if (i == 0)
return; // No need to move anything, just refresh
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movingEvent = true;
// Reverse i because row 0 is bottommost in the model
const auto row = timelineBaseIndex() - i - 1;
Q_ASSERT(beginMoveRows({}, row, row, {}, timelineBaseIndex()));
});
connect(m_currentRoom, &Room::pendingEventMerged, this, [this] {
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if (movingEvent) {
endMoveRows();
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movingEvent = false;
}
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refreshRow(timelineBaseIndex()); // Refresh the looks
refreshLastUserEvents(0);
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if (m_currentRoom->timelineSize() > 1) // Refresh above
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refreshEventRoles(timelineBaseIndex() + 1, {ReadMarkerRole});
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if (timelineBaseIndex() > 0) // Refresh below, see #312
refreshEventRoles(timelineBaseIndex() - 1,
{AboveEventTypeRole, AboveAuthorRole,
AboveSectionRole, AboveTimeRole});
});
connect(m_currentRoom, &Room::pendingEventChanged, this,
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&MessageEventModel::refreshRow);
connect(m_currentRoom, &Room::pendingEventAboutToDiscard, this,
[this](int i) { beginRemoveRows({}, i, i); });
connect(m_currentRoom, &Room::pendingEventDiscarded, this,
&MessageEventModel::endRemoveRows);
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connect(m_currentRoom, &Room::readMarkerMoved, this, [this] {
refreshEventRoles(
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std::exchange(lastReadEventId, m_currentRoom->readMarkerEventId()),
{ReadMarkerRole});
refreshEventRoles(lastReadEventId, {ReadMarkerRole});
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});
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connect(m_currentRoom, &Room::replacedEvent, this,
[this](const RoomEvent* newEvent) {
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refreshLastUserEvents(refreshEvent(newEvent->id()) -
timelineBaseIndex());
});
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connect(m_currentRoom, &Room::fileTransferProgress, this,
&MessageEventModel::refreshEvent);
connect(m_currentRoom, &Room::fileTransferCompleted, this,
&MessageEventModel::refreshEvent);
connect(m_currentRoom, &Room::fileTransferFailed, this,
&MessageEventModel::refreshEvent);
connect(m_currentRoom, &Room::fileTransferCancelled, this,
&MessageEventModel::refreshEvent);
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connect(m_currentRoom, &Room::readMarkerForUserMoved, this,
[=](User*, QString fromEventId, QString toEventId) {
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refreshEventRoles(fromEventId, {UserMarkerRole});
refreshEventRoles(toEventId, {UserMarkerRole});
});
connect(m_currentRoom->connection(), &Connection::ignoredUsersListChanged,
this, [=] {
beginResetModel();
endResetModel();
});
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qDebug() << "Connected to room" << room->id() << "as"
<< room->localUser()->id();
} else
lastReadEventId.clear();
endResetModel();
}
int MessageEventModel::refreshEvent(const QString& eventId) {
return refreshEventRoles(eventId);
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}
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void MessageEventModel::refreshRow(int row) {
refreshEventRoles(row);
}
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int MessageEventModel::timelineBaseIndex() const {
return m_currentRoom ? int(m_currentRoom->pendingEvents().size()) : 0;
}
void MessageEventModel::refreshEventRoles(int row, const QVector<int>& roles) {
const auto idx = index(row);
emit dataChanged(idx, idx, roles);
}
int MessageEventModel::refreshEventRoles(const QString& eventId,
const QVector<int>& roles) {
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const auto it = m_currentRoom->findInTimeline(eventId);
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if (it == m_currentRoom->timelineEdge()) {
qWarning() << "Trying to refresh inexistent event:" << eventId;
return -1;
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}
const auto row =
it - m_currentRoom->messageEvents().rbegin() + timelineBaseIndex();
refreshEventRoles(row, roles);
return row;
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}
inline bool hasValidTimestamp(const QMatrixClient::TimelineItem& ti) {
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return ti->timestamp().isValid();
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}
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QDateTime MessageEventModel::makeMessageTimestamp(
const QMatrixClient::Room::rev_iter_t& baseIt) const {
const auto& timeline = m_currentRoom->messageEvents();
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auto ts = baseIt->event()->timestamp();
if (ts.isValid())
return ts;
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// The event is most likely redacted or just invalid.
// Look for the nearest date around and slap zero time to it.
using QMatrixClient::TimelineItem;
auto rit = std::find_if(baseIt, timeline.rend(), hasValidTimestamp);
if (rit != timeline.rend())
return {rit->event()->timestamp().date(), {0, 0}, Qt::LocalTime};
auto it = std::find_if(baseIt.base(), timeline.end(), hasValidTimestamp);
if (it != timeline.end())
return {it->event()->timestamp().date(), {0, 0}, Qt::LocalTime};
// What kind of room is that?..
qCritical() << "No valid timestamps in the room timeline!";
return {};
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}
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QString MessageEventModel::renderDate(QDateTime timestamp) const {
auto date = timestamp.toLocalTime().date();
if (date == QDate::currentDate())
return tr("Today");
if (date == QDate::currentDate().addDays(-1))
return tr("Yesterday");
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if (date == QDate::currentDate().addDays(-2))
return tr("The day before yesterday");
if (date > QDate::currentDate().addDays(-7))
return date.toString("dddd");
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return date.toString(Qt::DefaultLocaleShortDate);
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}
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void MessageEventModel::refreshLastUserEvents(int baseTimelineRow) {
if (!m_currentRoom || m_currentRoom->timelineSize() <= baseTimelineRow)
return;
const auto& timelineBottom = m_currentRoom->messageEvents().rbegin();
const auto& lastSender = (*(timelineBottom + baseTimelineRow))->senderId();
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const auto limit = timelineBottom + std::min(baseTimelineRow + 10,
m_currentRoom->timelineSize());
for (auto it = timelineBottom + std::max(baseTimelineRow - 10, 0);
it != limit; ++it) {
if ((*it)->senderId() == lastSender) {
auto idx = index(it - timelineBottom);
emit dataChanged(idx, idx);
}
}
}
int MessageEventModel::rowCount(const QModelIndex& parent) const {
if (!m_currentRoom || parent.isValid())
return 0;
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return m_currentRoom->timelineSize();
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}
QVariant MessageEventModel::data(const QModelIndex& idx, int role) const {
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const auto row = idx.row();
if (!m_currentRoom || row < 0 ||
row >= int(m_currentRoom->pendingEvents().size()) +
m_currentRoom->timelineSize())
return {};
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bool isPending = row < timelineBaseIndex();
const auto timelineIt = m_currentRoom->messageEvents().crbegin() +
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std::max(0, row - timelineBaseIndex());
const auto pendingIt = m_currentRoom->pendingEvents().crbegin() +
std::min(row, timelineBaseIndex());
const auto& evt = isPending ? **pendingIt : **timelineIt;
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if (role == Qt::DisplayRole) {
return utils::removeReply(m_currentRoom->eventToString(evt, Qt::RichText));
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}
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if (role == MessageRole) {
return utils::removeReply(m_currentRoom->eventToString(evt));
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}
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if (role == Qt::ToolTipRole) {
return evt.originalJson();
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}
if (role == EventTypeRole) {
if (auto e = eventCast<const RoomMessageEvent>(&evt)) {
switch (e->msgtype()) {
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case MessageEventType::Emote:
return "emote";
case MessageEventType::Notice:
return "notice";
case MessageEventType::Image:
return "image";
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case MessageEventType::Audio:
return "audio";
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default:
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return e->hasFileContent() ? "file" : "message";
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}
}
if (evt.isStateEvent())
return "state";
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return "other";
}
if (role == EventResolvedTypeRole)
return EventTypeRegistry::getMatrixType(evt.type());
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if (role == AuthorRole) {
// FIXME: It shouldn't be User, it should be its state "as of event"
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return QVariant::fromValue(isPending ? m_currentRoom->localUser()
: m_currentRoom->user(evt.senderId()));
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}
if (role == ContentTypeRole) {
if (auto e = eventCast<const RoomMessageEvent>(&evt)) {
const auto& contentType = e->mimeType().name();
return contentType == "text/plain" ? QStringLiteral("text/html")
: contentType;
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}
return QStringLiteral("text/plain");
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}
if (role == ContentRole) {
if (evt.isRedacted()) {
auto reason = evt.redactedBecause()->reason();
return (reason.isEmpty())
? tr("Redacted")
: tr("Redacted: %1").arg(evt.redactedBecause()->reason());
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}
if (auto e = eventCast<const RoomMessageEvent>(&evt)) {
// Cannot use e.contentJson() here because some
// EventContent classes inject values into the copy of the
// content JSON stored in EventContent::Base
return e->hasFileContent()
? QVariant::fromValue(e->content()->originalJson)
: QVariant();
};
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}
if (role == HighlightRole)
return m_currentRoom->isEventHighlighted(&evt);
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if (role == ReadMarkerRole)
return evt.id() == lastReadEventId && row > timelineBaseIndex();
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if (role == SpecialMarksRole) {
if (isPending)
return pendingIt->deliveryStatus();
if (is<RedactionEvent>(evt))
return EventStatus::Hidden;
if (evt.isRedacted())
return EventStatus::Hidden;
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if (evt.isStateEvent() &&
static_cast<const StateEventBase&>(evt).repeatsState())
return EventStatus::Hidden;
if (m_currentRoom->connection()->isIgnored(
m_currentRoom->user(evt.senderId())))
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return EventStatus::Hidden;
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return EventStatus::Normal;
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}
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if (role == EventIdRole)
return !evt.id().isEmpty() ? evt.id() : evt.transactionId();
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if (role == LongOperationRole) {
if (auto e = eventCast<const RoomMessageEvent>(&evt))
if (e->hasFileContent())
return QVariant::fromValue(m_currentRoom->fileTransferInfo(e->id()));
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}
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if (role == AnnotationRole)
if (isPending)
return pendingIt->annotation();
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if (role == TimeRole || role == SectionRole) {
auto ts =
isPending ? pendingIt->lastUpdated() : makeMessageTimestamp(timelineIt);
return role == TimeRole ? QVariant(ts) : renderDate(ts);
}
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if (role == UserMarkerRole) {
QVariantList variantList;
for (User* user : m_currentRoom->usersAtEventId(evt.id())) {
if (user == m_currentRoom->localUser())
continue;
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variantList.append(QVariant::fromValue(user));
}
return variantList;
}
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if (role == ReplyEventIdRole || role == ReplyDisplayRole ||
role == ReplyAuthorRole) {
const QString& replyEventId = evt.contentJson()["m.relates_to"]
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.toObject()["m.in_reply_to"]
.toObject()["event_id"]
.toString();
if (replyEventId.isEmpty())
return {};
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const auto replyIt = m_currentRoom->findInTimeline(replyEventId);
if (replyIt == m_currentRoom->timelineEdge())
return {};
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const auto& replyEvt = **replyIt;
switch (role) {
case ReplyEventIdRole:
return replyEventId;
case ReplyDisplayRole:
return utils::removeReply(
m_currentRoom->eventToString(replyEvt, Qt::RichText));
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case ReplyAuthorRole:
return QVariant::fromValue(m_currentRoom->user(replyEvt.senderId()));
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}
return {};
}
if (role == AboveEventTypeRole || role == AboveSectionRole ||
role == AboveAuthorRole || role == AboveTimeRole)
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for (auto r = row + 1; r < rowCount(); ++r) {
auto i = index(r);
if (data(i, SpecialMarksRole) != EventStatus::Hidden)
switch (role) {
case AboveEventTypeRole:
return data(i, EventTypeRole);
case AboveSectionRole:
return data(i, SectionRole);
case AboveAuthorRole:
return data(i, AuthorRole);
case AboveTimeRole:
return data(i, TimeRole);
}
}
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return {};
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}
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int MessageEventModel::eventIDToIndex(const QString& eventID) {
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const auto it = m_currentRoom->findInTimeline(eventID);
if (it == m_currentRoom->timelineEdge()) {
qWarning() << "Trying to find inexistent event:" << eventID;
return -1;
}
return it - m_currentRoom->messageEvents().rbegin() + timelineBaseIndex();
}