Readonly Room

Add readonly property to a room and use it to decide whether to show chatbar, replies and edits

BUG: 479590

src/neochatroom.cpp

@@ -114,6 +114,7 @@ NeoChatRoom::NeoChatRoom(Connection *connection, QString roomId, JoinState joinS
         Q_EMIT parentIdsChanged();
         Q_EMIT canonicalParentChanged();
         Q_EMIT joinRuleChanged();
+        Q_EMIT readOnlyChanged();
     });
     connect(connection, &Connection::capabilitiesLoaded, this, &NeoChatRoom::maxRoomVersionChanged);
     connect(this, &Room::changed, this, [this]() {
@@ -662,6 +663,11 @@ bool NeoChatRoom::isInvite() const
     return joinState() == JoinState::Invite;
 }
 
+bool NeoChatRoom::readOnly() const
+{
+    return !canSendEvent("m.room.message"_ls);
+}
+
 bool NeoChatRoom::isUserBanned(const QString &user) const
 {
     auto roomMemberEvent = currentState().get<RoomMemberEvent>(user);