/***************************************************************************
- * Copyright (C) 2005-08 by the Quassel IRC Team *
+ * Copyright (C) 2005-09 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
#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 {
int row = index.row(); int column = index.column();
- if(row < 0 || row >= _messageList.count() || column < 0)
+ if(row < 0 || row >= messageCount() || column < 0)
return QVariant();
if(role == ColumnTypeRole)
return column;
- return _messageList[row]->data(index.column(), role);
+ return messageItemAt(row)->data(index.column(), role);
+ // return _messageList[row]->data(index.column(), role);
}
bool MessageModel::setData(const QModelIndex &index, const QVariant &value, int role) {
int row = index.row();
- if(row < 0 || row >= _messageList.count())
+ if(row < 0 || row >= messageCount())
return false;
- if(_messageList[row]->setData(index.column(), value, role)) {
+ if(messageItemAt(row)->setData(index.column(), value, role)) {
emit dataChanged(index, index);
return true;
}
-
return false;
}
bool MessageModel::insertMessage(const Message &msg, bool fakeMsg) {
MsgId id = msg.msgId();
int idx = indexForId(id);
- if(!fakeMsg && idx < _messageList.count()) { // check for duplicate
- if(_messageList[idx]->msgId() == id)
+ if(!fakeMsg && idx < messageCount()) { // check for duplicate
+ if(messageItemAt(idx)->msgId() == 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;
- // FIXME make this more efficient by grouping msgs
- foreach(Message msg, msglist)
- insertMessage(msg);
+ 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) {
+ 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;
+ Message dayChangeMsg;
+
+ 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(messageItemAt(prevIdx)->msgType() == Message::DayChange
+ && messageItemAt(prevIdx)->timestamp() > msglist.at(0).timestamp()) {
+
+ beginRemoveRows(QModelIndex(), prevIdx, prevIdx);
+ Message oldDayChangeMsg = takeMessageAt(prevIdx);
+ if(msglist.last().timestamp() < oldDayChangeMsg.timestamp()) {
+ // we have to reinsert it with a changed msgId
+ dayChangeMsg = oldDayChangeMsg;
+ dayChangeMsg.setMsgId(msglist.last().msgId());
+ }
+ endRemoveRows();
+
+ start--;
+ end--;
+ }
+ }
+
+ if(!dayChangeMsg.isValid() && start < messageCount()) {
+ // 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(messageItemAt(start)->msgType() != Message::DayChange);
+ QDateTime nextTs = messageItemAt(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);
+ dayChangeMsg = Message::ChangeOfDay(nextTs);
+ dayChangeMsg.setMsgId(msglist.last().msgId());
+ }
+ }
+
+ if(dayChangeMsg.isValid())
+ end++;
+
+ Q_ASSERT(start == 0 || messageItemAt(start - 1)->msgId() < msglist.first().msgId());
+ Q_ASSERT(start == messageCount() || messageItemAt(start)->msgId() > msglist.last().msgId());
+ beginInsertRows(QModelIndex(), start, end);
+ insertMessages__(start, msglist);
+ if(dayChangeMsg.isValid())
+ insertMessage__(start + msglist.count(), dayChangeMsg);
+ endInsertRows();
+
+ Q_ASSERT(start == end || messageItemAt(start)->msgId() != messageItemAt(end)->msgId() || messageItemAt(end)->msgType() == Message::DayChange);
+ Q_ASSERT(start == 0 || messageItemAt(start - 1)->msgId() < messageItemAt(start)->msgId());
+ Q_ASSERT(end + 1 == messageCount() || messageItemAt(end)->msgId() < messageItemAt(end + 1)->msgId());
+}
+
+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());
+ // depending on the order we have to traverse from the front to the back or vice versa
+
+ QList<Message> grouplist;
+ 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.constEnd();
+ iter--; // this op is safe as we've allready passed an empty check
+ } else {
+ iter = msglist.constBegin();
+ }
+
+ idx = indexForId((*iter).msgId());
+ if(idx < messageCount())
+ dupeId = messageItemAt(idx)->msgId();
+
+ // we always compare to the previous entry...
+ // if there isn't, we can fastforward to the top
+ if(idx - 1 >= 0)
+ minId = messageItemAt(idx - 1)->msgId();
+ else
+ fastForward = true;
+
+ if((*iter).msgId() != dupeId) {
+ grouplist << *iter;
+ dupeId = (*iter).msgId();
+ }
+
+ if(!inOrder)
+ iter++;
+
+ if(inOrder) {
+ while(iter != msglist.constBegin()) {
+ iter--;
+
+ 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 && !messagesIsEmpty())
+ dupeId = messageItemAt(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);
+ }
+ }
+ } else {
+ while(iter != msglist.constEnd()) {
+ 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 && !messagesIsEmpty())
+ dupeId = messageItemAt(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);
+ }
+ iter++;
+ }
+ }
+
+ if(!grouplist.isEmpty())
+ insertMessageGroup(grouplist);
+ 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();
+ if (rowCount() > 0) {
+ beginRemoveRows(QModelIndex(), 0, rowCount() - 1);
+ removeAllMessages();
+ endRemoveRows();
+ }
}
// 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(messagesIsEmpty() || id <= messageItemAt(0)->msgId())
+ return 0;
+
+ if(id > lastMessageItem()->msgId())
+ return messageCount();
+
// binary search
- int start = 0; int end = _messageList.count()-1;
+ int start = 0; int end = messageCount() - 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 <= messageItemAt(pivot)->msgId()) end = pivot;
else start = pivot;
}
}
-/**********************************************************************************/
+void MessageModel::changeOfDay() {
+ _dayChangeTimer.setInterval(86400000);
+ if(!messagesIsEmpty()) {
+ int idx = messageCount();
+ while(idx > 0 && messageItemAt(idx - 1)->timestamp() > _nextDayChange) {
+ idx--;
+ }
+ beginInsertRows(QModelIndex(), idx, idx);
+ Message dayChangeMsg = Message::ChangeOfDay(_nextDayChange);
+ dayChangeMsg.setMsgId(messageItemAt(idx - 1)->msgId());
+ insertMessage__(idx, dayChangeMsg);
+ endInsertRows();
+ }
+ _nextDayChange = _nextDayChange.addSecs(86400);
+}
-MessageModelItem::MessageModelItem(const Message &msg) :
- _timestamp(msg.timestamp()),
- _msgId(msg.msgId()),
- _bufferId(msg.bufferInfo().bufferId()),
- _type(msg.type()),
- _flags(msg.flags())
-{
+void MessageModel::insertErrorMessage(BufferInfo bufferInfo, const QString &errorString) {
+ int idx = messageCount();
+ beginInsertRows(QModelIndex(), idx, idx);
+ Message msg(bufferInfo, Message::Error, errorString);
+ if(!messagesIsEmpty())
+ msg.setMsgId(messageItemAt(idx-1)->msgId());
+ else
+ msg.setMsgId(0);
+ insertMessage__(idx, msg);
+ endInsertRows();
+}
+
+void MessageModel::requestBacklog(BufferId bufferId) {
+ if(_messagesWaiting.contains(bufferId))
+ return;
+
+ BacklogSettings backlogSettings;
+ int requestCount = backlogSettings.dynamicBacklogAmount();
+
+ for(int i = 0; i < messageCount(); i++) {
+ if(messageItemAt(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, -1, messageItemAt(i)->msgId(), requestCount);
+ return;
+ }
+ }
+}
+
+void MessageModel::messagesReceived(BufferId bufferId, int count) {
+ if(!_messagesWaiting.contains(bufferId))
+ return;
+
+ _messagesWaiting[bufferId] -= count;
+ if(_messagesWaiting[bufferId] <= 0)
+ _messagesWaiting.remove(bufferId);
}
+void MessageModel::buffersPermanentlyMerged(BufferId bufferId1, BufferId bufferId2) {
+ for(int i = 0; i < messageCount(); i++) {
+ if(messageItemAt(i)->bufferId() == bufferId2) {
+ messageItemAt(i)->setBufferId(bufferId1);
+ QModelIndex idx = index(i, 0);
+ emit dataChanged(idx, idx);
+ }
+ }
+}
+
+// ========================================
+// MessageModelItem
+// ========================================
QVariant MessageModelItem::data(int column, int role) const {
if(column < MessageModel::TimestampColumn || column > MessageModel::ContentsColumn)
return QVariant();
switch(role) {
- case MessageModel::MsgIdRole: return QVariant::fromValue<MsgId>(_msgId);
- case MessageModel::BufferIdRole: return QVariant::fromValue<BufferId>(_bufferId);
- case MessageModel::TypeRole: return _type;
- case MessageModel::FlagsRole: return (int)_flags;
- case MessageModel::TimestampRole: return _timestamp;
- default: return QVariant();
+ case MessageModel::MessageRole: return QVariant::fromValue<Message>(message());
+ case MessageModel::MsgIdRole: return QVariant::fromValue<MsgId>(msgId());
+ case MessageModel::BufferIdRole: return QVariant::fromValue<BufferId>(bufferId());
+ case MessageModel::TypeRole: return msgType();
+ case MessageModel::FlagsRole: return (int)msgFlags();
+ 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){
+ return (*m1) < (*m2);
+}
+
+bool MessageModelItem::operator<(const MessageModelItem &other) const {
+ return msgId() < other.msgId();
+}
+
+bool MessageModelItem::operator==(const MessageModelItem &other) const {
+ return msgId() == other.msgId();
+}
+
+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