X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fclient%2Fmessagemodel.cpp;h=82fd71b1b252acc7c7e3bbd32244544bcf5a0f92;hp=11cd0245cd7df5352953889d5a8ea02c6882ad20;hb=60c6384aae4035545cd02f6032dd810e98ddba37;hpb=d52b78268ad6ab09f896508a94dd7be47a720153

diff --git a/src/client/messagemodel.cpp b/src/client/messagemodel.cpp
index 11cd0245..82fd71b1 100644
--- a/src/client/messagemodel.cpp
+++ b/src/client/messagemodel.cpp
@@ -20,52 +20,410 @@
 
 #include "messagemodel.h"
 
-MessageModel::MessageModel(QObject *parent) : QAbstractItemModel(parent) {
-  
-  
-  
-}
+#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() {
-  
-  
+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();
-  if(row < 0 || row >= _messageList.count()) return QVariant();
+  int row = index.row(); int column = index.column();
+  if(row < 0 || row >= _messageList.count() || column < 0)
+    return QVariant();
+
+  if(role == ColumnTypeRole)
+    return column;
+
   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()) return false;
-  if(_messageList[row]->setData(index.column(), role)) {
-    emit dataChanged(index, index); // FIXME make msg emit this (too)
+  if(row < 0 || row >= _messageList.count())
+    return false;
+
+  if(_messageList[row]->setData(index.column(), value, role)) {
+    emit dataChanged(index, index);
     return true;
   }
+
   return false;
 }
 
-void MessageModel::insertMessage(const Message &msg) {
+bool MessageModel::insertMessage(const Message &msg, bool fakeMsg) {
   MsgId id = msg.msgId();
-  MessageItem *item = createMessageItem(msg);
-  if(id > )
-    
+  int idx = indexForId(id);
+  if(!fakeMsg && idx < _messageList.count()) { // check for duplicate
+    if(_messageList[idx]->msgId() == id)
+      return false;
+  }
+
+  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 - 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());
+  }
+}
+
+void MessageModel::insertMessageGroup(const QList<Message> &msglist) {
+  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;
+  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);
+    }
+  }
+
+  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(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);
+}
+
+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 id;
+  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 >= 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)
+    id = _messageList[idx - 1]->msgId();
+  else
+    fastForward = true;
+
+  if((*iter).msgId() != dupeId)
+    grouplist << *iter;
+
+  if(!inOrder)
+    iter++;
+
+  if(inOrder) {
+    while(iter != msglist.constBegin()) {
+      iter--;
+
+      if(!fastForward && (*iter).msgId() < id)
+	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);
+      }
+    }
+  } else {
+    while(iter != msglist.constEnd()) {
+      if(!fastForward && (*iter).msgId() < id)
+	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);
+      }
+      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();
 }
 
 // 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.count() || id <= _messageList[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;
-  int idx;
   while(1) {
-    if(start == end) return start;
-    idx = (end + start) / 2;
-    
+    if(end - start == 1)
+      return end;
+    int pivot = (end + start) / 2;
+    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()),
+  _bufferId(msg.bufferInfo().bufferId()),
+  _type(msg.type()),
+  _flags(msg.flags())
+{
+}
+
+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();
+  }
 }
 
-/**********************************************************************************/
 
+// 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;
+}