#include "messagemodel.h"
+#include <QEvent>
+
+#include "backlogsettings.h"
+#include "clientbacklogmanager.h"
+#include "client.h"
#include "message.h"
+#include "networkmodel.h"
+
+class ProcessBufferEvent : public QEvent {
+public:
+ inline ProcessBufferEvent() : QEvent(QEvent::User) {}
+};
MessageModel::MessageModel(QObject *parent)
: QAbstractItemModel(parent)
{
+ QDateTime now = QDateTime::currentDateTime();
+ now.setTimeSpec(Qt::UTC);
+ _nextDayChange.setTimeSpec(Qt::UTC);
+ _nextDayChange.setTime_t(((now.toTime_t() / 86400) + 1) * 86400);
+ _nextDayChange.setTimeSpec(Qt::LocalTime);
+ _dayChangeTimer.setInterval(QDateTime::currentDateTime().secsTo(_nextDayChange) * 1000);
+ _dayChangeTimer.start();
+ connect(&_dayChangeTimer, SIGNAL(timeout()), this, SLOT(changeOfDay()));
}
QVariant MessageModel::data(const QModelIndex &index, int role) const {
return false;
}
-
-
bool MessageModel::insertMessage(const Message &msg, bool fakeMsg) {
MsgId id = msg.msgId();
int idx = indexForId(id);
return false;
}
- MessageModelItem *item = createMessageModelItem(msg);
- beginInsertRows(QModelIndex(), idx, idx);
- _messageList.insert(idx, item);
- endInsertRows();
+ insertMessageGroup(QList<Message>() << msg);
return true;
}
+void MessageModel::insertMessages(const QList<Message> &msglist) {
+ if(msglist.isEmpty())
+ return;
+
+ if(_messageBuffer.isEmpty()) {
+ int processedMsgs = insertMessagesGracefully(msglist);
+ int remainingMsgs = msglist.count() - processedMsgs;
+ if(remainingMsgs > 0) {
+ if(msglist.first().msgId() < msglist.last().msgId()) {
+ // in Order - we have just successfully processed "processedMsg" messages from the end of the list
+ _messageBuffer = msglist.mid(0, remainingMsgs);
+ } else {
+ _messageBuffer = msglist.mid(processedMsgs);
+ }
+ qSort(_messageBuffer);
+ QCoreApplication::postEvent(this, new ProcessBufferEvent());
+ }
+ } else {
+ _messageBuffer << msglist;
+ qSort(_messageBuffer);
+ }
+}
void MessageModel::insertMessageGroup(const QList<Message> &msglist) {
- if(msglist.isEmpty()) return;
+ Q_ASSERT(!msglist.isEmpty()); // the msglist can be assumed to be non empty
+// int last = msglist.count() - 1;
+// Q_ASSERT(0 == last || msglist.at(0).msgId() != msglist.at(last).msgId() || msglist.at(last).type() == Message::DayChange);
+ int start = indexForId(msglist.first().msgId());
+ int end = start + msglist.count() - 1;
+ MessageModelItem *dayChangeItem = 0;
+ bool relocatedMsg = false;
+ if(start > 0) {
+ // check if the preceeding msg is a daychange message and if so if
+ // we have to drop or relocate it at the end of this chunk
+ int prevIdx = start - 1;
+ if(_messageList.at(prevIdx)->msgType() == Message::DayChange
+ && _messageList.at(prevIdx)->timeStamp() > msglist.at(0).timestamp()) {
+ beginRemoveRows(QModelIndex(), prevIdx, prevIdx);
+ MessageModelItem *oldItem = _messageList.takeAt(prevIdx);
+ if(msglist.last().timestamp() < oldItem->timeStamp()) {
+ // we have to reinsert it (with changed msgId -> thus we need to recreate it)
+ Message dayChangeMsg = Message::ChangeOfDay(oldItem->timeStamp());
+ dayChangeMsg.setMsgId(msglist.last().msgId());
+ dayChangeItem = createMessageModelItem(dayChangeMsg);
+ }
+ delete oldItem;
+ endRemoveRows();
+ start--;
+ end--;
+ relocatedMsg = true;
+ }
+ }
+
+ if(!dayChangeItem && start < _messageList.count()) {
+ // check if we need to insert a daychange message at the end of the this group
+
+ // if this assert triggers then indexForId() would have found a spot right before a DayChangeMsg
+ // this should never happen as daychange messages share the msgId with the preceeding message
+ Q_ASSERT(_messageList[start]->msgType() != Message::DayChange);
+ QDateTime nextTs = _messageList[start]->timeStamp();
+ QDateTime prevTs = msglist.last().timestamp();
+ nextTs.setTimeSpec(Qt::UTC);
+ prevTs.setTimeSpec(Qt::UTC);
+ uint nextDay = nextTs.toTime_t() / 86400;
+ uint prevDay = prevTs.toTime_t() / 86400;
+ if(nextDay != prevDay) {
+ nextTs.setTime_t(nextDay * 86400);
+ nextTs.setTimeSpec(Qt::LocalTime);
+ Message dayChangeMsg = Message::ChangeOfDay(nextTs);
+ dayChangeMsg.setMsgId(msglist.last().msgId());
+ dayChangeItem = createMessageModelItem(dayChangeMsg);
+ }
+ }
- int idx = indexForId(msglist.first().msgId());
- beginInsertRows(QModelIndex(), idx, idx+msglist.count()-1);
+ if(dayChangeItem)
+ end++;
+ Q_ASSERT(start == 0 || _messageList[start - 1]->msgId() < msglist.first().msgId());
+ Q_ASSERT(start == _messageList.count() || _messageList[start]->msgId() > msglist.last().msgId());
+ beginInsertRows(QModelIndex(), start, end);
+ int pos = start;
foreach(Message msg, msglist) {
- _messageList.insert(idx, createMessageModelItem(msg));
- idx++;
+ _messageList.insert(pos, createMessageModelItem(msg));
+ pos++;
+ }
+ if(dayChangeItem) {
+ _messageList.insert(pos, dayChangeItem);
+ pos++; // needed for the following assert
}
-
endInsertRows();
-}
-
-void MessageModel::insertMessages(const QList<Message> &msglist) {
- if(msglist.isEmpty())
- return;
-
- if(_messageList.isEmpty()) {
- insertMessageGroup(msglist);
- return;
- }
+// Q_ASSERT(start == end || _messageList.at(start)->msgId() != _messageList.at(end)->msgId() || _messageList.at(end)->msgType() == Message::DayChange);
+ Q_ASSERT(start == 0 || _messageList[start - 1]->msgId() < _messageList[start]->msgId());
+ Q_ASSERT(end + 1 == _messageList.count() || _messageList[end]->msgId() < _messageList[end + 1]->msgId());
+ Q_ASSERT(pos - 1 == end);
+}
+int MessageModel::insertMessagesGracefully(const QList<Message> &msglist) {
+ /* short description:
+ * 1) first we check where the message with the highest msgId from msglist would be inserted
+ * 2) check that position for dupe
+ * 3) determine the messageId of the preceeding msg
+ * 4) insert as many msgs from msglist with with msgId larger then the just determined id
+ * those messages are automatically less then the msg of the position we just determined in 1)
+ */
bool inOrder = (msglist.first().msgId() < msglist.last().msgId());
-
- // check if the whole bunch fits in at one position
- if(indexForId(msglist.first().msgId()) == indexForId(msglist.last().msgId())) {
- if(inOrder) {
- insertMessageGroup(msglist);
- } else {
- QList<Message> messages = msglist;
- qSort(messages);
- insertMessageGroup(messages);
- }
- return;
- }
-
// depending on the order we have to traverse from the front to the back or vice versa
- // for the sake of performance we have a little code duplication here
- // if you need to do some changes here you'll probably need to change them at all
- // places marked DUPE
-
- // FIXME: keep scrollbars from jumping
- // the somewhat bulk insert leads to a jumpy scrollbar when the user requests further backlog.
- // it would probably be the best to stop processing each time we actually insert a messagegroup
- // and give back controll to the eventloop (similar to what the QtUiMessageProcessor used to do)
QList<Message> grouplist;
- MsgId id;
+ MsgId minId;
+ MsgId dupeId;
+ int processedMsgs = 1; // we know the list isn't empty, so we at least process one message
+ int idx;
bool fastForward = false;
QList<Message>::const_iterator iter;
if(inOrder) {
iter = msglist.constBegin();
}
- // DUPE (1 / 3)
- int idx = indexForId((*iter).msgId());
+ idx = indexForId((*iter).msgId());
+ if(idx < _messageList.count())
+ dupeId = _messageList[idx]->msgId();
+
// we always compare to the previous entry...
// if there isn't, we can fastforward to the top
- if(idx - 1 >= 0) // also safe as we've passed another empty check
- id = _messageList[idx - 1]->msgId();
+ if(idx - 1 >= 0)
+ minId = _messageList[idx - 1]->msgId();
else
fastForward = true;
- grouplist << *iter;
+
+ if((*iter).msgId() != dupeId) {
+ grouplist << *iter;
+ dupeId = (*iter).msgId();
+ }
if(!inOrder)
iter++;
if(inOrder) {
while(iter != msglist.constBegin()) {
iter--;
- // DUPE (2 / 3)
- if(!fastForward && (*iter).msgId() < id) {
- insertMessageGroup(grouplist);
- grouplist.clear();
-
- // build new group
- int idx = indexForId((*iter).msgId());
- if(idx - 1 >= 0)
- id = _messageList[idx - 1]->msgId();
- else
- fastForward = true;
+
+ if(!fastForward && (*iter).msgId() < minId)
+ break;
+ processedMsgs++;
+
+ if(grouplist.isEmpty()) { // as long as we don't have a starting point, we have to update the dupeId
+ idx = indexForId((*iter).msgId());
+ if(idx >= 0 && !_messageList.isEmpty())
+ dupeId = _messageList[idx]->msgId();
+ }
+ if((*iter).msgId() != dupeId) {
+ if(!grouplist.isEmpty()) {
+ QDateTime nextTs = grouplist.value(0).timestamp();
+ QDateTime prevTs = (*iter).timestamp();
+ nextTs.setTimeSpec(Qt::UTC);
+ prevTs.setTimeSpec(Qt::UTC);
+ uint nextDay = nextTs.toTime_t() / 86400;
+ uint prevDay = prevTs.toTime_t() / 86400;
+ if(nextDay != prevDay) {
+ nextTs.setTime_t(nextDay * 86400);
+ nextTs.setTimeSpec(Qt::LocalTime);
+ Message dayChangeMsg = Message::ChangeOfDay(nextTs);
+ dayChangeMsg.setMsgId((*iter).msgId());
+ grouplist.prepend(dayChangeMsg);
+ }
+ }
+ dupeId = (*iter).msgId();
+ grouplist.prepend(*iter);
}
- grouplist.prepend(*iter);
}
} else {
while(iter != msglist.constEnd()) {
- // DUPE (3 / 3)
- if(!fastForward && (*iter).msgId() < id) {
- insertMessageGroup(grouplist);
- grouplist.clear();
-
- // build new group
- int idx = indexForId((*iter).msgId());
- if(idx - 1 >= 0)
- id = _messageList[idx - 1]->msgId();
- else
- fastForward = true;
+ if(!fastForward && (*iter).msgId() < minId)
+ break;
+ processedMsgs++;
+
+ if(grouplist.isEmpty()) { // as long as we don't have a starting point, we have to update the dupeId
+ idx = indexForId((*iter).msgId());
+ if(idx >= 0 && !_messageList.isEmpty())
+ dupeId = _messageList[idx]->msgId();
+ }
+ if((*iter).msgId() != dupeId) {
+ if(!grouplist.isEmpty()) {
+ QDateTime nextTs = grouplist.value(0).timestamp();
+ QDateTime prevTs = (*iter).timestamp();
+ nextTs.setTimeSpec(Qt::UTC);
+ prevTs.setTimeSpec(Qt::UTC);
+ uint nextDay = nextTs.toTime_t() / 86400;
+ uint prevDay = prevTs.toTime_t() / 86400;
+ if(nextDay != prevDay) {
+ nextTs.setTime_t(nextDay * 86400);
+ nextTs.setTimeSpec(Qt::LocalTime);
+ Message dayChangeMsg = Message::ChangeOfDay(nextTs);
+ dayChangeMsg.setMsgId((*iter).msgId());
+ grouplist.prepend(dayChangeMsg);
+ }
+ }
+ dupeId = (*iter).msgId();
+ grouplist.prepend(*iter);
}
- grouplist.prepend(*iter);
iter++;
}
}
- if(!grouplist.isEmpty()) {
+ if(!grouplist.isEmpty())
insertMessageGroup(grouplist);
- }
-
- return;
+ return processedMsgs;
}
+void MessageModel::customEvent(QEvent *event) {
+ if(event->type() != QEvent::User)
+ return;
+
+ event->accept();
+
+ if(_messageBuffer.isEmpty())
+ return;
+
+ int processedMsgs = insertMessagesGracefully(_messageBuffer);
+ int remainingMsgs = _messageBuffer.count() - processedMsgs;
+
+ QList<Message>::iterator removeStart = _messageBuffer.begin() + remainingMsgs;
+ QList<Message>::iterator removeEnd = _messageBuffer.end();
+ _messageBuffer.erase(removeStart, removeEnd);
+ if(!_messageBuffer.isEmpty())
+ QCoreApplication::postEvent(this, new ProcessBufferEvent());
+}
void MessageModel::clear() {
beginRemoveRows(QModelIndex(), 0, rowCount() - 1);
qDeleteAll(_messageList);
_messageList.clear();
endRemoveRows();
+ _messagesWaiting.clear();
}
-
// returns index of msg with given Id or of the next message after that (i.e., the index where we'd insert this msg)
int MessageModel::indexForId(MsgId id) {
- if(_messageList.isEmpty() || id <= _messageList.value(0)->data(0, MsgIdRole).value<MsgId>()) return 0;
- if(id > _messageList.last()->data(0, MsgIdRole).value<MsgId>()) return _messageList.count();
+ if(_messageList.isEmpty() || id <= _messageList.value(0)->msgId())
+ return 0;
+ if(id > _messageList.last()->msgId())
+ return _messageList.count();
+
// binary search
int start = 0; int end = _messageList.count()-1;
while(1) {
- if(end - start == 1) return end;
+ if(end - start == 1)
+ return end;
int pivot = (end + start) / 2;
- if(id <= _messageList.value(pivot)->data(0, MsgIdRole).value<MsgId>()) end = pivot;
+ if(id <= _messageList.value(pivot)->msgId()) end = pivot;
else start = pivot;
}
}
-/**********************************************************************************/
+void MessageModel::changeOfDay() {
+ _dayChangeTimer.setInterval(86400000);
+ if(!_messageList.isEmpty()) {
+ int idx = _messageList.count();
+ while(idx > 0 && _messageList[idx - 1]->timeStamp() > _nextDayChange) {
+ idx--;
+ }
+ beginInsertRows(QModelIndex(), idx, idx);
+ Message dayChangeMsg = Message::ChangeOfDay(_nextDayChange);
+ dayChangeMsg.setMsgId(_messageList[idx - 1]->msgId());
+ _messageList.insert(idx, createMessageModelItem(dayChangeMsg));
+ endInsertRows();
+ }
+ _nextDayChange = _nextDayChange.addSecs(86400);
+}
+void MessageModel::requestBacklog(BufferId bufferId) {
+ if(_messagesWaiting.contains(bufferId))
+ return;
+
+ BacklogSettings backlogSettings;
+ int requestCount = backlogSettings.dynamicBacklogAmount();
+
+ for(int i = 0; i < _messageList.count(); i++) {
+ if(_messageList.at(i)->bufferId() == bufferId) {
+ _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)));
+ Client::backlogManager()->requestBacklog(bufferId, requestCount, _messageList.at(i)->msgId().toInt());
+ return;
+ }
+ }
+}
+
+void MessageModel::messagesReceived(BufferId bufferId, int count) {
+ if(!_messagesWaiting.contains(bufferId))
+ return;
+
+ _messagesWaiting[bufferId] -= count;
+ if(_messagesWaiting[bufferId] <= 0)
+ _messagesWaiting.remove(bufferId);
+}
+
+// ========================================
+// MessageModelItem
+// ========================================
MessageModelItem::MessageModelItem(const Message &msg) :
_timestamp(msg.timestamp()),
_msgId(msg.msgId()),
_type(msg.type()),
_flags(msg.flags())
{
+ if(!msg.sender().contains('!'))
+ _flags |= Message::ServerMsg;
}
QVariant MessageModelItem::data(int column, int role) const {
case MessageModel::TypeRole: return _type;
case MessageModel::FlagsRole: return (int)_flags;
case MessageModel::TimestampRole: return _timestamp;
+ case MessageModel::RedirectedToRole: return qVariantFromValue<BufferId>(_redirectedTo);
default: return QVariant();
}
}
+bool MessageModelItem::setData(int column, const QVariant &value, int role) {
+ Q_UNUSED(column);
+
+ switch(role) {
+ case MessageModel::RedirectedToRole:
+ _redirectedTo = value.value<BufferId>();
+ return true;
+ default:
+ return false;
+ }
+}
+
// Stuff for later
-bool MessageModelItem::lessThan(const MessageModelItem *m1, const MessageModelItem *m2){
+bool MessageModelItem::lessThan(const MessageModelItem *m1, const MessageModelItem *m2){
return (*m1) < (*m2);
}
bool MessageModelItem::operator>(const MessageModelItem &other) const {
return _msgId > other._msgId;
}
+
+QDebug operator<<(QDebug dbg, const MessageModelItem &msgItem) {
+ dbg.nospace() << qPrintable(QString("MessageModelItem(MsgId:")) << msgItem.msgId()
+ << qPrintable(QString(",")) << msgItem.timeStamp()
+ << qPrintable(QString(", Type:")) << msgItem.msgType()
+ << qPrintable(QString(", Flags:")) << msgItem.msgFlags() << qPrintable(QString(")"))
+ << msgItem.data(1, Qt::DisplayRole).toString() << ":" << msgItem.data(2, Qt::DisplayRole).toString();
+ return dbg;
+}
projects / quassel.git / blobdiff