+
+ if(additional) {
+ MsgId oldestMessage;
+ if(!msgList.isEmpty()) {
+ if(msgList.first().msgId() < msgList.last().msgId())
+ oldestMessage = msgList.first().msgId();
+ else
+ oldestMessage = msgList.last().msgId();
+ }
+
+ if(first != -1) {
+ last = first;
+ } else {
+ last = oldestMessage;
+ }
+
+ // only fetch additional messages if they they continue seemlessly
+ // that is, if the list of messages is not truncated by the limit
+ if(last.isValid() && last == oldestMessage) {
+ msgList = Core::requestMsgs(coreSession()->user(), bufferId, -1, last, additional);
+ msgIter = msgList.constBegin();
+ msgListEnd = msgList.constEnd();
+ while(msgIter != msgListEnd) {
+ backlog << qVariantFromValue(*msgIter);
+ msgIter++;
+ }
+ }
+ }
+
+ return backlog;
+}
+
+QVariantList CoreBacklogManager::requestBacklogAll(MsgId first, MsgId last, int limit, int additional) {
+ qDebug() << "CoreBacklogManager::requestBacklogAll" << first << last << limit << additional;
+ QVariantList backlog;
+ QList<Message> msgList;
+ msgList = Core::requestAllMsgs(coreSession()->user(), first, last, limit);
+
+ QList<Message>::const_iterator msgIter = msgList.constBegin();
+ QList<Message>::const_iterator msgListEnd = msgList.constEnd();
+ while(msgIter != msgListEnd) {
+ backlog << qVariantFromValue(*msgIter);
+ msgIter++;
+ }
+
+ if(additional) {
+ if(first != -1) {
+ last = first;
+ } else {
+ last = -1;
+ if(!msgList.isEmpty()) {
+ if(msgList.first().msgId() < msgList.last().msgId())
+ last = msgList.first().msgId();
+ else
+ last = msgList.last().msgId();
+ }
+ }
+ msgList = Core::requestAllMsgs(coreSession()->user(), -1, last, additional);
+ msgIter = msgList.constBegin();
+ msgListEnd = msgList.constEnd();
+ while(msgIter != msgListEnd) {
+ backlog << qVariantFromValue(*msgIter);
+ msgIter++;
+ }
+ }
+