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/***************************************************************************
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* Copyright (C) 2005-08 by the Quassel IRC Team *
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* Copyright (C) 2005-09 by the Quassel Project *
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* devel@quassel-irc.org *
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* This program is free software; you can redistribute it and/or modify *
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QVariant MessageModel::data(const QModelIndex &index, int role) const {
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int row = index.row(); int column = index.column();
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if(row < 0 || row >= _messageList.count() || column < 0)
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if(row < 0 || row >= messageCount() || column < 0)
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if(role == ColumnTypeRole)
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return _messageList[row]->data(index.column(), role);
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return messageItemAt(row)->data(index.column(), role);
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// return _messageList[row]->data(index.column(), role);
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bool MessageModel::setData(const QModelIndex &index, const QVariant &value, int role) {
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int row = index.row();
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if(row < 0 || row >= _messageList.count())
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if(row < 0 || row >= messageCount())
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if(_messageList[row]->setData(index.column(), value, role)) {
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if(messageItemAt(row)->setData(index.column(), value, role)) {
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emit dataChanged(index, index);
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bool MessageModel::insertMessage(const Message &msg, bool fakeMsg) {
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MsgId id = msg.msgId();
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int idx = indexForId(id);
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if(!fakeMsg && idx < _messageList.count()) { // check for duplicate
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if(_messageList[idx]->msgId() == id)
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if(!fakeMsg && idx < messageCount()) { // check for duplicate
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if(messageItemAt(idx)->msgId() == id)
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// Q_ASSERT(0 == last || msglist.at(0).msgId() != msglist.at(last).msgId() || msglist.at(last).type() == Message::DayChange);
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int start = indexForId(msglist.first().msgId());
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int end = start + msglist.count() - 1;
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MessageModelItem *dayChangeItem = 0;
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Message dayChangeMsg;
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// MessageModelItem *dayChangeItem = 0;
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bool relocatedMsg = false;
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// check if the preceeding msg is a daychange message and if so if
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// we have to drop or relocate it at the end of this chunk
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int prevIdx = start - 1;
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if(_messageList.at(prevIdx)->msgType() == Message::DayChange
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&& _messageList.at(prevIdx)->timeStamp() > msglist.at(0).timestamp()) {
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if(messageItemAt(prevIdx)->msgType() == Message::DayChange
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&& messageItemAt(prevIdx)->timestamp() > msglist.at(0).timestamp()) {
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beginRemoveRows(QModelIndex(), prevIdx, prevIdx);
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MessageModelItem *oldItem = _messageList.takeAt(prevIdx);
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if(msglist.last().timestamp() < oldItem->timeStamp()) {
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// we have to reinsert it (with changed msgId -> thus we need to recreate it)
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Message dayChangeMsg = Message::ChangeOfDay(oldItem->timeStamp());
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// MessageModelItem *oldItem = _messageList.takeAt(prevIdx);
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// if(msglist.last().timestamp() < oldItem->timestamp()) {
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// // we have to reinsert it (with changed msgId -> thus we need to recreate it)
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// Message dayChangeMsg = Message::ChangeOfDay(oldItem->timestamp());
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// dayChangeMsg.setMsgId(msglist.last().msgId());
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// dayChangeItem = createMessageModelItem(dayChangeMsg);
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dayChangeMsg = takeMessageAt(prevIdx);
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if(msglist.last().timestamp() < dayChangeMsg.timestamp()) {
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// we have to reinsert it with a changed msgId
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dayChangeMsg.setMsgId(msglist.last().msgId());
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dayChangeItem = createMessageModelItem(dayChangeMsg);
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if(!dayChangeItem && start < _messageList.count()) {
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if(!dayChangeMsg.isValid() && start < messageCount()) {
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// if(!dayChangeItem && start < _messageList.count()) {
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// check if we need to insert a daychange message at the end of the this group
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// if this assert triggers then indexForId() would have found a spot right before a DayChangeMsg
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// this should never happen as daychange messages share the msgId with the preceeding message
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Q_ASSERT(_messageList[start]->msgType() != Message::DayChange);
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QDateTime nextTs = _messageList[start]->timeStamp();
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Q_ASSERT(messageItemAt(start)->msgType() != Message::DayChange);
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QDateTime nextTs = messageItemAt(start)->timestamp();
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QDateTime prevTs = msglist.last().timestamp();
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nextTs.setTimeSpec(Qt::UTC);
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prevTs.setTimeSpec(Qt::UTC);
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if(nextDay != prevDay) {
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nextTs.setTime_t(nextDay * 86400);
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nextTs.setTimeSpec(Qt::LocalTime);
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Message dayChangeMsg = Message::ChangeOfDay(nextTs);
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dayChangeMsg = Message::ChangeOfDay(nextTs);
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dayChangeMsg.setMsgId(msglist.last().msgId());
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dayChangeItem = createMessageModelItem(dayChangeMsg);
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if(dayChangeMsg.isValid())
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Q_ASSERT(start == 0 || _messageList[start - 1]->msgId() < msglist.first().msgId());
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Q_ASSERT(start == _messageList.count() || _messageList[start]->msgId() > msglist.last().msgId());
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Q_ASSERT(start == 0 || messageItemAt(start - 1)->msgId() < msglist.first().msgId());
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Q_ASSERT(start == messageCount() || messageItemAt(start)->msgId() > msglist.last().msgId());
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beginInsertRows(QModelIndex(), start, end);
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foreach(Message msg, msglist) {
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_messageList.insert(pos, createMessageModelItem(msg));
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_messageList.insert(pos, dayChangeItem);
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pos++; // needed for the following assert
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// foreach(Message msg, msglist) {
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// _messageList.insert(pos, createMessageModelItem(msg));
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// if(dayChangeItem) {
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// _messageList.insert(pos, dayChangeItem);
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// pos++; // needed for the following assert
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insertMessages__(start, msglist);
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if(dayChangeMsg.isValid())
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insertMessage__(start + msglist.count(), dayChangeMsg);
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// Q_ASSERT(start == end || _messageList.at(start)->msgId() != _messageList.at(end)->msgId() || _messageList.at(end)->msgType() == Message::DayChange);
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Q_ASSERT(start == 0 || _messageList[start - 1]->msgId() < _messageList[start]->msgId());
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Q_ASSERT(end + 1 == _messageList.count() || _messageList[end]->msgId() < _messageList[end + 1]->msgId());
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Q_ASSERT(pos - 1 == end);
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Q_ASSERT(start == 0 || messageItemAt(start - 1)->msgId() < messageItemAt(start)->msgId());
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Q_ASSERT(end + 1 == messageCount() || messageItemAt(end)->msgId() < messageItemAt(end + 1)->msgId());
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// Q_ASSERT(pos - 1 == end);
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int MessageModel::insertMessagesGracefully(const QList<Message> &msglist) {
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idx = indexForId((*iter).msgId());
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if(idx < _messageList.count())
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dupeId = _messageList[idx]->msgId();
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if(idx < messageCount())
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dupeId = messageItemAt(idx)->msgId();
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// we always compare to the previous entry...
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// if there isn't, we can fastforward to the top
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minId = _messageList[idx - 1]->msgId();
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minId = messageItemAt(idx - 1)->msgId();
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fastForward = true;
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if(grouplist.isEmpty()) { // as long as we don't have a starting point, we have to update the dupeId
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idx = indexForId((*iter).msgId());
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if(idx >= 0 && !_messageList.isEmpty())
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dupeId = _messageList[idx]->msgId();
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if(idx >= 0 && !messagesIsEmpty())
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dupeId = messageItemAt(idx)->msgId();
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if((*iter).msgId() != dupeId) {
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if(!grouplist.isEmpty()) {
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if(grouplist.isEmpty()) { // as long as we don't have a starting point, we have to update the dupeId
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idx = indexForId((*iter).msgId());
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if(idx >= 0 && !_messageList.isEmpty())
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dupeId = _messageList[idx]->msgId();
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if(idx >= 0 && !messagesIsEmpty())
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dupeId = messageItemAt(idx)->msgId();
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if((*iter).msgId() != dupeId) {
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if(!grouplist.isEmpty()) {
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void MessageModel::clear() {
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beginRemoveRows(QModelIndex(), 0, rowCount() - 1);
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qDeleteAll(_messageList);
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_messageList.clear();
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_messagesWaiting.clear();
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// returns index of msg with given Id or of the next message after that (i.e., the index where we'd insert this msg)
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int MessageModel::indexForId(MsgId id) {
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if(_messageList.isEmpty() || id <= _messageList.value(0)->msgId())
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if(messagesIsEmpty() || id <= messageItemAt(0)->msgId())
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if(id > _messageList.last()->msgId())
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return _messageList.count();
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if(id > lastMessageItem()->msgId())
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return messageCount();
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int start = 0; int end = _messageList.count()-1;
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int start = 0; int end = messageCount() - 1;
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if(end - start == 1)
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int pivot = (end + start) / 2;
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if(id <= _messageList.value(pivot)->msgId()) end = pivot;
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if(id <= messageItemAt(pivot)->msgId()) end = pivot;
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else start = pivot;
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void MessageModel::changeOfDay() {
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_dayChangeTimer.setInterval(86400000);
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if(!_messageList.isEmpty()) {
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int idx = _messageList.count();
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while(idx > 0 && _messageList[idx - 1]->timeStamp() > _nextDayChange) {
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if(!messagesIsEmpty()) {
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int idx = messageCount();
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while(idx > 0 && messageItemAt(idx - 1)->timestamp() > _nextDayChange) {
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beginInsertRows(QModelIndex(), idx, idx);
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Message dayChangeMsg = Message::ChangeOfDay(_nextDayChange);
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dayChangeMsg.setMsgId(_messageList[idx - 1]->msgId());
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_messageList.insert(idx, createMessageModelItem(dayChangeMsg));
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dayChangeMsg.setMsgId(messageItemAt(idx - 1)->msgId());
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insertMessage__(idx, dayChangeMsg);
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_nextDayChange = _nextDayChange.addSecs(86400);
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BacklogSettings backlogSettings;
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int requestCount = backlogSettings.dynamicBacklogAmount();
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for(int i = 0; i < _messageList.count(); i++) {
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if(_messageList.at(i)->bufferId() == bufferId) {
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for(int i = 0; i < messageCount(); i++) {
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if(messageItemAt(i)->bufferId() == bufferId) {
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_messagesWaiting[bufferId] = requestCount;
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Client::backlogManager()->emitMessagesRequested(tr("Requesting %1 messages from backlog for buffer %2:%3")
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.arg(requestCount)
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.arg(Client::networkModel()->networkName(bufferId))
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.arg(Client::networkModel()->bufferName(bufferId)));
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Client::backlogManager()->requestBacklog(bufferId, -1, _messageList.at(i)->msgId(), requestCount);
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Client::backlogManager()->requestBacklog(bufferId, -1, messageItemAt(i)->msgId(), requestCount);
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void MessageModel::buffersPermanentlyMerged(BufferId bufferId1, BufferId bufferId2) {
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for(int i = 0; i < _messageList.count(); i++) {
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if(_messageList[i]->bufferId() == bufferId2) {
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_messageList[i]->setBufferId(bufferId1);
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for(int i = 0; i < messageCount(); i++) {
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if(messageItemAt(i)->bufferId() == bufferId2) {
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messageItemAt(i)->setBufferId(bufferId1);
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QModelIndex idx = index(i, 0);
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emit dataChanged(idx, idx);
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// ========================================
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// MessageModelItem
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// ========================================
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MessageModelItem::MessageModelItem(const Message &msg) :
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_timestamp(msg.timestamp()),
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_bufferId(msg.bufferInfo().bufferId()),
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if(!msg.sender().contains('!'))
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_flags |= Message::ServerMsg;
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QVariant MessageModelItem::data(int column, int role) const {
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if(column < MessageModel::TimestampColumn || column > MessageModel::ContentsColumn)
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return QVariant();
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case MessageModel::MsgIdRole: return QVariant::fromValue<MsgId>(_msgId);
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case MessageModel::BufferIdRole: return QVariant::fromValue<BufferId>(_bufferId);
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case MessageModel::TypeRole: return _type;
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case MessageModel::FlagsRole: return (int)_flags;
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case MessageModel::TimestampRole: return _timestamp;
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case MessageModel::MsgIdRole: return QVariant::fromValue<MsgId>(msgId());
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case MessageModel::BufferIdRole: return QVariant::fromValue<BufferId>(bufferId());
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case MessageModel::TypeRole: return msgType();
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case MessageModel::FlagsRole: return (int)msgFlags();
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case MessageModel::TimestampRole: return timestamp();
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case MessageModel::RedirectedToRole: return qVariantFromValue<BufferId>(_redirectedTo);
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default: return QVariant();
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bool MessageModelItem::operator<(const MessageModelItem &other) const {
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return _msgId < other._msgId;
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return msgId() < other.msgId();
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bool MessageModelItem::operator==(const MessageModelItem &other) const {
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return _msgId == other._msgId;
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return msgId() == other.msgId();
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bool MessageModelItem::operator>(const MessageModelItem &other) const {
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return _msgId > other._msgId;
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return msgId() > other.msgId();
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QDebug operator<<(QDebug dbg, const MessageModelItem &msgItem) {
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dbg.nospace() << qPrintable(QString("MessageModelItem(MsgId:")) << msgItem.msgId()
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<< qPrintable(QString(",")) << msgItem.timeStamp()
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<< qPrintable(QString(",")) << msgItem.timestamp()
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<< qPrintable(QString(", Type:")) << msgItem.msgType()
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<< qPrintable(QString(", Flags:")) << msgItem.msgFlags() << qPrintable(QString(")"))
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<< msgItem.data(1, Qt::DisplayRole).toString() << ":" << msgItem.data(2, Qt::DisplayRole).toString();