X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fclient%2Fmessagemodel.cpp;h=7297f4b21f43f1ce70bdb41ea22ee6f0a52a2ac9;hp=245a787090f4828be72445ca44ea05e63d343115;hb=722de35940fadb7be9cde29e103d251742ffb3ec;hpb=5225cf288d73e76905f85380ec52418c3b04efee

diff --git a/src/client/messagemodel.cpp b/src/client/messagemodel.cpp
index 245a7870..7297f4b2 100644
--- a/src/client/messagemodel.cpp
+++ b/src/client/messagemodel.cpp
@@ -22,9 +22,24 @@
 
 #include "message.h"
 
+#include <QEvent>
+
+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 {
@@ -61,64 +76,105 @@ bool MessageModel::insertMessage(const Message &msg, bool fakeMsg) {
       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;
+
+  int processedMsgs = insertMessagesGracefully(msglist);
+  int remainingMsgs = msglist.count() - processedMsgs;
+  if(remainingMsgs > 0) {
+    if(msglist.first().msgId() < msglist.last().msgId()) {
+      // in Order
+      _messageBuffer << msglist.mid(0, remainingMsgs);
+    } else {
+      _messageBuffer << msglist.mid(processedMsgs);
+    }
+    qSort(_messageBuffer);
+    QCoreApplication::postEvent(this, new ProcessBufferEvent());
+  }
+}
 
 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 start = indexForId(msglist.first().msgId());
+  int end = start + msglist.count() - 1;
+  MessageModelItem *dayChangeItem = 0;
+
+  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--;
+    }
+  }
 
-  int idx = indexForId(msglist.first().msgId());
-  beginInsertRows(QModelIndex(), idx, idx+msglist.count()-1);
+  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);
+    }
+  }
 
+  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();
+  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);
 }
 
-
-void MessageModel::insertMessages(const QList<Message> &msglist) {
-  if(msglist.isEmpty())
-    return;
-
-  if(_messageList.isEmpty()) {
-    insertMessageGroup(msglist);
-    return;
-  }
-
+int MessageModel::insertMessagesGracefully(const QList<Message> &msglist) {
   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 dupeId;
+  int dupeCount = 0;
   bool fastForward = false;
   QList<Message>::const_iterator iter;
   if(inOrder) {
@@ -128,15 +184,21 @@ void MessageModel::insertMessages(const QList<Message> &msglist) {
     iter = msglist.constBegin();
   }
 
-  // DUPE (1 / 3)
   int idx = indexForId((*iter).msgId());
+  if(idx >= 0 && !_messageList.isEmpty())
+    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
+  if(idx - 1 >= 0)
     id = _messageList[idx - 1]->msgId();
   else
     fastForward = true;
-  grouplist << *iter;
+
+  if((*iter).msgId() != dupeId)
+    grouplist << *iter;
+  else
+    dupeCount++;
 
   if(!inOrder)
     iter++;
@@ -144,46 +206,86 @@ void MessageModel::insertMessages(const QList<Message> &msglist) {
   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() < id)
+	break;
+
+      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);
+	    dupeCount--;
+	  }
+	}
+	grouplist.prepend(*iter);
+      } else {
+	dupeCount++;
       }
-      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() < id)
+	break;
+
+      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);
+	    dupeCount--;
+	  }
+	}
+	grouplist.prepend(*iter);
+      } else {
+	dupeCount++;
       }
-      grouplist.prepend(*iter);
+
       iter++;
     }
   }
 
-  if(!grouplist.isEmpty()) {
-    insertMessageGroup(grouplist);
-  }
-    
-  return;
+  insertMessageGroup(grouplist);
+  return grouplist.count() + dupeCount;
 }
 
+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);
@@ -193,20 +295,41 @@ void MessageModel::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);
+}
+
 /**********************************************************************************/
 
 MessageModelItem::MessageModelItem(const Message &msg) :
@@ -234,7 +357,7 @@ QVariant MessageModelItem::data(int column, int role) const {
 
 
 // Stuff for later
-bool MessageModelItem::lessThan(const MessageModelItem *m1, const MessageModelItem *m2){ 
+bool MessageModelItem::lessThan(const MessageModelItem *m1, const MessageModelItem *m2){
   return (*m1) < (*m2);
 }