diff options
Diffstat (limited to 'lib/room.cpp')
| -rw-r--r-- | lib/room.cpp | 348 |
1 files changed, 197 insertions, 151 deletions
diff --git a/lib/room.cpp b/lib/room.cpp index a309cd24..bc89464d 100644 --- a/lib/room.cpp +++ b/lib/room.cpp @@ -1,19 +1,7 @@ /****************************************************************************** - * Copyright (C) 2015 Felix Rohrbach <kde@fxrh.de> + * SPDX-FileCopyrightText: 2015 Felix Rohrbach <kde@fxrh.de> * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * SPDX-License-Identifier: LGPL-2.1-or-later */ #include "room.h" @@ -36,6 +24,7 @@ #include "csapi/room_state.h" #include "csapi/room_upgrades.h" #include "csapi/rooms.h" +#include "csapi/read_markers.h" #include "csapi/tags.h" #include "events/callanswerevent.h" @@ -55,7 +44,6 @@ #include "events/roompowerlevelsevent.h" #include "jobs/downloadfilejob.h" #include "jobs/mediathumbnailjob.h" -#include "jobs/postreadmarkersjob.h" #include "events/roomcanonicalaliasevent.h" #include <QtCore/QDir> @@ -192,7 +180,7 @@ public: // void inviteUser(User* u); // We might get it at some point in time. void insertMemberIntoMap(User* u); - void removeMemberFromMap(const QString& username, User* u); + void removeMemberFromMap(User* u); // This updates the room displayname field (which is the way a room // should be shown in the room list); called whenever the list of @@ -263,10 +251,11 @@ public: for (auto&& eptr : events) { const auto& evt = *eptr; Q_ASSERT(evt.isStateEvent()); - // Update baseState afterwards to make sure that the old state - // is valid and usable inside processStateEvent - changes |= q->processStateEvent(evt); - baseState[{ evt.matrixType(), evt.stateKey() }] = move(eptr); + auto change = q->processStateEvent(evt); + if (change != NoChange) { + changes |= change; + baseState[{ evt.matrixType(), evt.stateKey() }] = move(eptr); + } } if (events.size() > 9 || et.nsecsElapsed() >= profilerMinNsecs()) qCDebug(PROFILER) @@ -350,7 +339,7 @@ public: */ bool processReplacement(const RoomMessageEvent& newEvent); - void setTags(TagsMap newTags); + void setTags(TagsMap&& newTags); QJsonObject toJson() const; @@ -632,8 +621,8 @@ Room::Changes Room::Private::setLastReadEvent(User* u, QString eventId) emit q->readMarkerForUserMoved(u, eventId, storedId); if (isLocalUser(u)) { if (storedId != serverReadMarker) - connection->callApi<PostReadMarkersJob>(BackgroundRequest, id, - storedId); + connection->callApi<SetReadMarkerJob>(BackgroundRequest, id, + storedId); emit q->readMarkerMoved(eventId, storedId); return Change::ReadMarkerChange; } @@ -857,7 +846,7 @@ const Room::RelatedEvents Room::relatedEvents(const RoomEvent& evt, void Room::Private::getAllMembers() { // If already loaded or already loading, there's nothing to do here. - if (q->joinedCount() <= membersMap.size() || isJobRunning(allMembersJob)) + if (q->joinedCount() <= membersMap.size() || isJobPending(allMembersJob)) return; allMembersJob = connection->callApi<GetMembersByRoomJob>( @@ -1010,11 +999,11 @@ TagRecord Room::tag(const QString& name) const { return d->tags.value(name); } std::pair<bool, QString> validatedTag(QString name) { - if (name.contains('.')) + if (name.isEmpty() || name.indexOf('.', 1) != -1) return { false, name }; qCWarning(MAIN) << "The tag" << name - << "doesn't follow the CS API conventions"; + << "doesn't follow the CS API conventions"; name.prepend("u."); qCWarning(MAIN) << "Using " << name << "instead"; @@ -1073,20 +1062,20 @@ void Room::setTags(TagsMap newTags, ActionScope applyOn) if (propagate) { for (auto* r = this; (r = r->successor(joinStates));) - r->setTags(newTags, ActionScope::ThisRoomOnly); + r->setTags(d->tags, ActionScope::ThisRoomOnly); } } -void Room::Private::setTags(TagsMap newTags) +void Room::Private::setTags(TagsMap&& newTags) { emit q->tagsAboutToChange(); const auto keys = newTags.keys(); for (const auto& k : keys) - if (const auto& checkRes = validatedTag(k); checkRes.first) { - if (newTags.contains(checkRes.second)) + if (const auto& [adjusted, adjustedTag] = validatedTag(k); adjusted) { + if (newTags.contains(adjustedTag)) newTags.remove(k); else - newTags.insert(checkRes.second, newTags.take(k)); + newTags.insert(adjustedTag, newTags.take(k)); } tags = move(newTags); @@ -1192,8 +1181,8 @@ QString Room::fileNameToDownload(const QString& eventId) const FileTransferInfo Room::fileTransferInfo(const QString& id) const { - auto infoIt = d->fileTransfers.find(id); - if (infoIt == d->fileTransfers.end()) + const auto infoIt = d->fileTransfers.constFind(id); + if (infoIt == d->fileTransfers.cend()) return {}; // FIXME: Add lib tests to make sure FileTransferInfo::status stays @@ -1222,8 +1211,8 @@ QUrl Room::fileSource(const QString& id) const return url; // No urlToDownload means it's a pending or completed upload. - auto infoIt = d->fileTransfers.find(id); - if (infoIt != d->fileTransfers.end()) + auto infoIt = d->fileTransfers.constFind(id); + if (infoIt != d->fileTransfers.cend()) return QUrl::fromLocalFile(infoIt->localFileInfo.absoluteFilePath()); qCWarning(MAIN) << "File source for identifier" << id << "not found"; @@ -1312,7 +1301,6 @@ void Room::handleRoomKeyEvent(const RoomKeyEvent& roomKeyEvent, Q_UNUSED(roomKeyEvent) Q_UNUSED(senderKey) qCWarning(E2EE) << "End-to-end encryption (E2EE) support is turned off."; - return; #else // Quotient_E2EE_ENABLED if (roomKeyEvent.algorithm() != MegolmV1AesSha2AlgoKey) { qCWarning(E2EE) << "Ignoring unsupported algorithm" @@ -1354,14 +1342,27 @@ Room::Changes Room::Private::setSummary(RoomSummary&& newSummary) void Room::Private::insertMemberIntoMap(User* u) { - const auto userName = u->name(q); - // If there is exactly one namesake of the added user, signal member - // renaming for that other one because the two should be disambiguated now. + const auto maybeUserName = + getCurrentState<RoomMemberEvent>(u->id())->newDisplayName(); + if (!maybeUserName) + qCWarning(MEMBERS) << "insertMemberIntoMap():" << u->id() + << "has no name (even empty)"; + const auto userName = maybeUserName.value_or(QString()); const auto namesakes = membersMap.values(userName); + qCDebug(MEMBERS) << "insertMemberIntoMap(), user" << u->id() + << "with name" << userName << '-' + << namesakes.size() << "namesake(s) found"; - // Callers should check they are not adding an existing user once more. + // Callers should make sure they are not adding an existing user once more Q_ASSERT(!namesakes.contains(u)); + if (namesakes.contains(u)) { // Release version whines but continues + qCCritical(MEMBERS) << "Trying to add a user" << u->id() << "to room" + << q->objectName() << "but that's already in it"; + return; + } + // If there is exactly one namesake of the added user, signal member + // renaming for that other one because the two should be disambiguated now if (namesakes.size() == 1) emit q->memberAboutToRename(namesakes.front(), namesakes.front()->fullName(q)); @@ -1370,18 +1371,43 @@ void Room::Private::insertMemberIntoMap(User* u) emit q->memberRenamed(namesakes.front()); } -void Room::Private::removeMemberFromMap(const QString& username, User* u) +void Room::Private::removeMemberFromMap(User* u) { + const auto userName = + getCurrentState<RoomMemberEvent>( + u->id())->newDisplayName().value_or(QString()); + + qCDebug(MEMBERS) << "removeMemberFromMap(), username" << userName + << "for user" << u->id(); User* namesake = nullptr; - auto namesakes = membersMap.values(username); + auto namesakes = membersMap.values(userName); + // If there was one namesake besides the removed user, signal member + // renaming for it because it doesn't need to be disambiguated any more. if (namesakes.size() == 2) { - namesake = namesakes.front() == u ? namesakes.back() : namesakes.front(); + namesake = + namesakes.front() == u ? namesakes.back() : namesakes.front(); Q_ASSERT_X(namesake != u, __FUNCTION__, "Room members list is broken"); - emit q->memberAboutToRename(namesake, username); + emit q->memberAboutToRename(namesake, userName); + } + if (membersMap.remove(userName, u) == 0) { + qCDebug(MEMBERS) << "No entries removed; checking the whole list"; + // Unless at the stage of initial filling, this no removed entries + // is suspicious; double-check that this user is not found in + // the whole map, and stop (for debug builds) or shout in the logs + // (for release builds) if there's one. That search is O(n), which + // may come rather expensive for larger rooms. + QElapsedTimer et; + auto it = std::find(membersMap.cbegin(), membersMap.cend(), u); + if (et.nsecsElapsed() > profilerMinNsecs() / 10) + qCDebug(MEMBERS) << "...done in" << et; + if (it != membersMap.cend()) { + Q_ASSERT_X(false, __FUNCTION__, + "Mismatched name in the room members list"); + qCCritical(MEMBERS) << "Mismatched name in the room members list;" + " avoiding the list corruption"; + membersMap.remove(it.key(), u); + } } - membersMap.remove(username, u); - // If there was one namesake besides the removed user, signal member - // renaming for it because it doesn't need to be disambiguated any more. if (namesake) emit q->memberRenamed(namesake); } @@ -1423,7 +1449,7 @@ Room::Private::moveEventsToTimeline(RoomEventsRange events, } const auto insertedSize = (index - baseIndex) * placement; Q_ASSERT(insertedSize == int(events.size())); - return insertedSize; + return Timeline::size_type(insertedSize); } QString Room::memberName(const QString& mxId) const @@ -1639,15 +1665,15 @@ QString Room::retryMessage(const QString& txnId) const auto it = findPendingEvent(txnId); Q_ASSERT(it != d->unsyncedEvents.end()); qCDebug(EVENTS) << "Retrying transaction" << txnId; - const auto& transferIt = d->fileTransfers.find(txnId); - if (transferIt != d->fileTransfers.end()) { + const auto& transferIt = d->fileTransfers.constFind(txnId); + if (transferIt != d->fileTransfers.cend()) { Q_ASSERT(transferIt->isUpload); if (transferIt->status == FileTransferInfo::Completed) { qCDebug(MESSAGES) << "File for transaction" << txnId << "has already been uploaded, bypassing re-upload"; } else { - if (isJobRunning(transferIt->job)) { + if (isJobPending(transferIt->job)) { qCDebug(MESSAGES) << "Abandoning the upload job for transaction" << txnId << "and starting again"; transferIt->job->abandon(); @@ -1680,7 +1706,7 @@ void Room::discardMessage(const QString& txnId) const auto& transferIt = d->fileTransfers.find(txnId); if (transferIt != d->fileTransfers.end()) { Q_ASSERT(transferIt->isUpload); - if (isJobRunning(transferIt->job)) { + if (isJobPending(transferIt->job)) { transferIt->status = FileTransferInfo::Cancelled; transferIt->job->abandon(); emit fileTransferFailed(txnId, tr("File upload cancelled")); @@ -1737,7 +1763,8 @@ QString Room::postFile(const QString& plainText, const QUrl& localPath, // to enable the preview while the event is pending. uploadFile(txnId, localPath); // Below, the upload job is used as a context object to clean up connections - connect(this, &Room::fileTransferCompleted, d->fileTransfers[txnId].job, + const auto& transferJob = d->fileTransfers.value(txnId).job; + connect(this, &Room::fileTransferCompleted, transferJob, [this, txnId](const QString& id, const QUrl&, const QUrl& mxcUri) { if (id == txnId) { auto it = findPendingEvent(txnId); @@ -1756,7 +1783,7 @@ QString Room::postFile(const QString& plainText, const QUrl& localPath, } } }); - connect(this, &Room::fileTransferCancelled, d->fileTransfers[txnId].job, + connect(this, &Room::fileTransferCancelled, transferJob, [this, txnId](const QString& id) { if (id == txnId) { auto it = findPendingEvent(txnId); @@ -1885,7 +1912,7 @@ void Room::getPreviousContent(int limit, const QString &filter) { d->getPrevious void Room::Private::getPreviousContent(int limit, const QString &filter) { - if (isJobRunning(eventsHistoryJob)) + if (isJobPending(eventsHistoryJob)) return; eventsHistoryJob = @@ -1938,7 +1965,7 @@ void Room::uploadFile(const QString& id, const QUrl& localFilename, "localFilename should point at a local file"); auto fileName = localFilename.toLocalFile(); auto job = connection()->uploadFile(fileName, overrideContentType); - if (isJobRunning(job)) { + if (isJobPending(job)) { d->fileTransfers[id] = { job, fileName, true }; connect(job, &BaseJob::uploadProgress, this, [this, id](qint64 sent, qint64 total) { @@ -1958,8 +1985,8 @@ void Room::uploadFile(const QString& id, const QUrl& localFilename, void Room::downloadFile(const QString& eventId, const QUrl& localFilename) { - auto ongoingTransfer = d->fileTransfers.find(eventId); - if (ongoingTransfer != d->fileTransfers.end() + if (auto ongoingTransfer = d->fileTransfers.constFind(eventId); + ongoingTransfer != d->fileTransfers.cend() && ongoingTransfer->status == FileTransferInfo::Started) { qCWarning(MAIN) << "Transfer for" << eventId << "is ongoing; download won't start"; @@ -1994,7 +2021,7 @@ void Room::downloadFile(const QString& eventId, const QUrl& localFilename) qDebug(MAIN) << "File path:" << filePath; } auto job = connection()->downloadFile(fileUrl, filePath); - if (isJobRunning(job)) { + if (isJobPending(job)) { // If there was a previous transfer (completed or failed), overwrite it. d->fileTransfers[eventId] = { job, job->targetFileName() }; connect(job, &BaseJob::downloadProgress, this, @@ -2016,13 +2043,13 @@ void Room::downloadFile(const QString& eventId, const QUrl& localFilename) void Room::cancelFileTransfer(const QString& id) { - auto it = d->fileTransfers.find(id); - if (it == d->fileTransfers.end()) { + const auto it = d->fileTransfers.constFind(id); + if (it == d->fileTransfers.cend()) { qCWarning(MAIN) << "No information on file transfer" << id << "in room" << d->id; return; } - if (isJobRunning(it->job)) + if (isJobPending(it->job)) it->job->abandon(); d->fileTransfers.remove(id); emit fileTransferCancelled(id); @@ -2119,8 +2146,8 @@ bool Room::Private::processRedaction(const RedactionEvent& redaction) { // Can't use findInTimeline because it returns a const iterator, and // we need to change the underlying TimelineItem. - const auto pIdx = eventsIndex.find(redaction.redactedEvent()); - if (pIdx == eventsIndex.end()) + const auto pIdx = eventsIndex.constFind(redaction.redactedEvent()); + if (pIdx == eventsIndex.cend()) return false; Q_ASSERT(q->isValidIndex(*pIdx)); @@ -2190,8 +2217,8 @@ bool Room::Private::processReplacement(const RoomMessageEvent& newEvent) { // Can't use findInTimeline because it returns a const iterator, and // we need to change the underlying TimelineItem. - const auto pIdx = eventsIndex.find(newEvent.replacedEvent()); - if (pIdx == eventsIndex.end()) + const auto pIdx = eventsIndex.constFind(newEvent.replacedEvent()); + if (pIdx == eventsIndex.cend()) return false; Q_ASSERT(q->isValidIndex(*pIdx)); @@ -2434,57 +2461,95 @@ void Room::Private::addHistoricalMessageEvents(RoomEvents&& events) Room::Changes Room::processStateEvent(const RoomEvent& e) { if (!e.isStateEvent()) - return Change::NoChange; + return NoChange; - // Find a value (create empty if necessary) and get a reference to it - // getCurrentState<> is not used here because it (creates and) returns + // Find a value (create an empty one if necessary) and get a reference + // to it. Can't use getCurrentState<>() because it (creates and) returns // a stub if a value is not found, and what's needed here is a "real" event // or nullptr. - const auto*& curStateEvent = - d->currentState[{ e.matrixType(), e.stateKey() }]; + auto& curStateEvent = d->currentState[{ e.matrixType(), e.stateKey() }]; // Prepare for the state change - visit(e, [this, oldRme = static_cast<const RoomMemberEvent*>(curStateEvent)]( - const RoomMemberEvent& rme) { - auto* u = user(rme.userId()); - if (!u) { // ??? - qCCritical(MAIN) - << "Could not get a user object for" << rme.userId(); - return; - } - const auto prevMembership = oldRme ? oldRme->membership() - : MembershipType::Leave; - switch (prevMembership) { - case MembershipType::Invite: - if (rme.membership() != prevMembership) { - d->usersInvited.removeOne(u); - Q_ASSERT(!d->usersInvited.contains(u)); + // clang-format off + const bool proceed = visit(e + , [this, curStateEvent](const RoomMemberEvent& rme) { + // clang-format on + auto* oldRme = static_cast<const RoomMemberEvent*>(curStateEvent); + auto* u = user(rme.userId()); + if (!u) { // Some terribly malformed user id? + qCCritical(MAIN) << "Could not get a user object for" + << rme.userId(); + return false; // Stay low and hope for the best... } - break; - case MembershipType::Join: - switch (rme.membership()) { - case MembershipType::Join: // rename/avatar change or no-op - if (rme.newDisplayName()) { - emit memberAboutToRename(u, *rme.newDisplayName()); - d->removeMemberFromMap(u->name(this), u); + const auto prevMembership = oldRme ? oldRme->membership() + : MembershipType::Leave; + switch (prevMembership) { + case MembershipType::Invite: + if (rme.membership() != prevMembership) { + d->usersInvited.removeOne(u); + Q_ASSERT(!d->usersInvited.contains(u)); } break; - case MembershipType::Invite: - qCWarning(MAIN) << "Membership change from Join to Invite:" - << rme; - [[fallthrough]]; - default: // whatever the new membership, it's no more Join - d->removeMemberFromMap(u->name(this), u); - emit userRemoved(u); + case MembershipType::Join: + if (rme.membership() == MembershipType::Join) { + // rename/avatar change or no-op + if (rme.newDisplayName()) { + emit memberAboutToRename(u, *rme.newDisplayName()); + d->removeMemberFromMap(u); + } + if (!rme.newDisplayName() && !rme.newAvatarUrl()) { + qCWarning(MEMBERS) + << "No-op membership event for" << rme.userId() + << "- retaining the state"; + qCWarning(MEMBERS) << "The event dump:" << rme; + return false; + } + } else { + if (rme.membership() == MembershipType::Invite) + qCWarning(MAIN) + << "Membership change from Join to Invite:" << rme; + // whatever the new membership, it's no more Join + d->removeMemberFromMap(u); + emit userRemoved(u); + } + break; + case MembershipType::Ban: + case MembershipType::Knock: + case MembershipType::Leave: + if (rme.membership() == MembershipType::Invite + || rme.membership() == MembershipType::Join) { + d->membersLeft.removeOne(u); + Q_ASSERT(!d->membersLeft.contains(u)); + } + break; + case MembershipType::Undefined: + ; // A warning will be dropped in the post-processing block below } - break; - default: - if (rme.membership() == MembershipType::Invite - || rme.membership() == MembershipType::Join) { - d->membersLeft.removeOne(u); - Q_ASSERT(!d->membersLeft.contains(u)); + return true; + // clang-format off + } + , [this, curStateEvent]( const EncryptionEvent& ee) { + // clang-format on + auto* oldEncEvt = + static_cast<const EncryptionEvent*>(curStateEvent); + if (ee.algorithm().isEmpty()) { + qWarning(STATE) + << "The encryption event for room" << objectName() + << "doesn't have 'algorithm' specified - ignoring"; + return false; } + if (oldEncEvt + && oldEncEvt->encryption() != EncryptionEventContent::Undefined) { + qCWarning(STATE) << "The room is already encrypted but a new" + " room encryption event arrived - ignoring"; + return false; + } + return true; + // clang-format off } - }); + , true); // By default, go forward with the state change + // clang-format on + if (!proceed) + return NoChange; // Change the state const auto* const oldStateEvent = @@ -2492,47 +2557,35 @@ Room::Changes Room::processStateEvent(const RoomEvent& e) Q_ASSERT(!oldStateEvent || (oldStateEvent->matrixType() == e.matrixType() && oldStateEvent->stateKey() == e.stateKey())); - if (!is<RoomMemberEvent>(e)) // Room member events are too numerous + if (is<RoomMemberEvent>(e)) + qCDebug(MEMBERS) << "Updated room member state:" << e; + else qCDebug(STATE) << "Updated room state:" << e; // Update internal structures as per the change and work out the return value // clang-format off - return visit(e + const auto result = visit(e , [] (const RoomNameEvent&) { return NameChange; } - , [] (const RoomAliasesEvent&) { - return NoChange; // This event has been removed by MSC2432 - } , [this, oldStateEvent] (const RoomCanonicalAliasEvent& cae) { // clang-format on setObjectName(cae.alias().isEmpty() ? d->id : cae.alias()); - QString previousCanonicalAlias = - oldStateEvent - ? static_cast<const RoomCanonicalAliasEvent*>(oldStateEvent) - ->alias() - : QString(); - - auto previousAltAliases = - oldStateEvent - ? static_cast<const RoomCanonicalAliasEvent*>(oldStateEvent) - ->altAliases() - : QStringList(); - - if (!previousCanonicalAlias.isEmpty()) { - previousAltAliases.push_back(previousCanonicalAlias); + const auto* oldCae = + static_cast<const RoomCanonicalAliasEvent*>(oldStateEvent); + QStringList previousAltAliases {}; + if (oldCae) { + previousAltAliases = oldCae->altAliases(); + if (!oldCae->alias().isEmpty()) + previousAltAliases.push_back(oldCae->alias()); } - const auto previousAliases = std::move(previousAltAliases); - auto newAliases = cae.altAliases(); - - if (!cae.alias().isEmpty()) { + if (!cae.alias().isEmpty()) newAliases.push_front(cae.alias()); - } - connection()->updateRoomAliases(id(), previousAliases, newAliases); + connection()->updateRoomAliases(id(), previousAltAliases, newAliases); return AliasesChange; // clang-format off } @@ -2572,33 +2625,23 @@ Room::Changes Room::processStateEvent(const RoomEvent& e) if (u == localUser() && evt.isDirect()) connection()->addToDirectChats(this, user(evt.senderId())); break; - default: + case MembershipType::Knock: + case MembershipType::Ban: + case MembershipType::Leave: if (!d->membersLeft.contains(u)) d->membersLeft.append(u); + break; + case MembershipType::Undefined: + qCWarning(MEMBERS) << "Ignored undefined membership type"; } return MembersChange; // clang-format off } - , [this, oldEncEvt = static_cast<const EncryptionEvent*>(oldStateEvent)]( - const EncryptionEvent& ee) { - // clang-format on - if (ee.algorithm().isEmpty()) { - qWarning(STATE) - << "The encryption event for room" << objectName() - << "doesn't have 'algorithm' specified - ignoring"; - return NoChange; - } - if (oldEncEvt - && oldEncEvt->encryption() != EncryptionEventContent::Undefined) { - qCWarning(STATE) << "The room is already encrypted but a new" - " room encryption event arrived - ignoring"; - return NoChange; - } + , [this] (const EncryptionEvent&) { // As encryption can only be switched on once, emit the signal here // instead of aggregating and emitting in updateData() emit encryption(); return OtherChange; - // clang-format off } , [this] (const RoomTombstoneEvent& evt) { const auto successorId = evt.successorRoomId(); @@ -2615,9 +2658,12 @@ Room::Changes Room::processStateEvent(const RoomEvent& e) }); return OtherChange; + // clang-format off } - ); + , OtherChange); // clang-format on + Q_ASSERT(result != NoChange); + return result; } Room::Changes Room::processEphemeralEvent(EventPtr&& event) @@ -2779,7 +2825,7 @@ QString Room::Private::calculateDisplayname() const const bool localUserIsIn = joinState == JoinState::Join; const bool emptyRoom = membersMap.isEmpty() - || (membersMap.size() == 1 && isLocalUser(*membersMap.begin())); + || (membersMap.size() == 1 && isLocalUser(*membersMap.cbegin())); const bool nonEmptySummary = summary.heroes && !summary.heroes->empty(); auto shortlist = nonEmptySummary ? buildShortlist(*summary.heroes) : !emptyRoom ? buildShortlist(membersMap) |