+
+ // Prepare to fetch messages
+ _messagesWaiting[bufferId] = requestCount;
+ Client::backlogManager()->emitMessagesRequested(tr("Requesting %1 messages from backlog for buffer %2:%3")
+ .arg(requestCount)
+ .arg(Client::networkModel()->networkName(bufferId))
+ .arg(Client::networkModel()->bufferName(bufferId)));
+
+ if (oldestAvailableMsgId.isValid()) {
+ // Request messages from backlog starting from this message ID, going into the past
+ Client::backlogManager()->requestBacklog(bufferId, -1, oldestAvailableMsgId, requestCount);
+ }
+ else {
+ // No existing messages could be found. Try to fetch the newest available messages instead.
+ // This may happen when initial backlog fetching is set to zero, or if no messages exist in
+ // a buffer.
+ Client::backlogManager()->requestBacklog(bufferId, -1, -1, requestCount);
+ }