Switch over to CoreConnection
[quassel.git] / src / client / client.cpp
index a2988ed..019c67c 100644 (file)
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-08 by the Quassel Project                          *
+ *   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 "client.h"
 
+#include "abstractmessageprocessor.h"
+#include "abstractui.h"
 #include "bufferinfo.h"
+#include "buffermodel.h"
+#include "buffersettings.h"
 #include "buffersyncer.h"
-#include "global.h"
-#include "identity.h"
+#include "bufferviewconfig.h"
+#include "bufferviewoverlay.h"
+#include "clientaliasmanager.h"
+#include "clientbacklogmanager.h"
+#include "clientbufferviewmanager.h"
+#include "clientirclisthelper.h"
+#include "clientidentity.h"
+#include "clientignorelistmanager.h"
+#include "clientuserinputhandler.h"
+#include "coreaccountmodel.h"
+#include "coreconnection.h"
 #include "ircchannel.h"
 #include "ircuser.h"
 #include "message.h"
+#include "messagemodel.h"
 #include "network.h"
+#include "networkconfig.h"
 #include "networkmodel.h"
-#include "buffermodel.h"
-#include "quasselui.h"
+#include "quassel.h"
 #include "signalproxy.h"
 #include "util.h"
 
+#include <stdio.h>
+#include <stdlib.h>
+
 QPointer<Client> Client::instanceptr = 0;
-AccountId Client::_currentCoreAccount = 0;
 
 /*** Initialization/destruction ***/
 
+bool Client::instanceExists()
+{
+  return instanceptr;
+}
+
 Client *Client::instance() {
   if(!instanceptr)
     instanceptr = new Client();
@@ -46,27 +67,40 @@ Client *Client::instance() {
 }
 
 void Client::destroy() {
-  //delete instanceptr;
-  instanceptr->deleteLater();
+  if(instanceptr) {
+    delete instanceptr->mainUi();
+    instanceptr->deleteLater();
+    instanceptr = 0;
+  }
 }
 
 void Client::init(AbstractUi *ui) {
-  instance()->mainUi = ui;
+  instance()->_mainUi = ui;
   instance()->init();
 }
 
 Client::Client(QObject *parent)
   : QObject(parent),
-    socket(0),
     _signalProxy(new SignalProxy(SignalProxy::Client, this)),
-    mainUi(0),
+    _mainUi(0),
     _networkModel(0),
     _bufferModel(0),
     _bufferSyncer(0),
-    _connectedToCore(false),
-    _syncedToCore(false)
+    _aliasManager(0),
+    _backlogManager(new ClientBacklogManager(this)),
+    _bufferViewManager(0),
+    _bufferViewOverlay(new BufferViewOverlay(this)),
+    _ircListHelper(new ClientIrcListHelper(this)),
+    _inputHandler(0),
+    _networkConfig(0),
+    _ignoreListManager(0),
+    _messageModel(0),
+    _messageProcessor(0),
+    _coreAccountModel(new CoreAccountModel(this)),
+    _coreConnection(new CoreConnection(_coreAccountModel, this)),
+    _debugLog(&_debugLogBuffer)
 {
-  _monitorBuffer = new Buffer(BufferInfo(), this);
+  _signalProxy->synchronize(_ircListHelper);
 }
 
 Client::~Client() {
@@ -74,108 +108,66 @@ Client::~Client() {
 }
 
 void Client::init() {
-  _currentCoreAccount = 0;
   _networkModel = new NetworkModel(this);
-  connect(this, SIGNAL(bufferUpdated(BufferInfo)),
-          _networkModel, SLOT(bufferUpdated(BufferInfo)));
+
   connect(this, SIGNAL(networkRemoved(NetworkId)),
-         _networkModel, SLOT(networkRemoved(NetworkId)));
+          _networkModel, SLOT(networkRemoved(NetworkId)));
 
   _bufferModel = new BufferModel(_networkModel);
+  _messageModel = mainUi()->createMessageModel(this);
+  _messageProcessor = mainUi()->createMessageProcessor(this);
+  _inputHandler = new ClientUserInputHandler(this);
 
   SignalProxy *p = signalProxy();
 
   p->attachSlot(SIGNAL(displayMsg(const Message &)), this, SLOT(recvMessage(const Message &)));
   p->attachSlot(SIGNAL(displayStatusMsg(QString, QString)), this, SLOT(recvStatusMsg(QString, QString)));
 
-  p->attachSlot(SIGNAL(backlogData(BufferInfo, const QVariantList &, bool)), this, SLOT(recvBacklogData(BufferInfo, const QVariantList &, bool)));
-  p->attachSlot(SIGNAL(bufferInfoUpdated(BufferInfo)), this, SLOT(updateBufferInfo(BufferInfo)));
-  p->attachSignal(this, SIGNAL(sendInput(BufferInfo, QString)));
+  p->attachSlot(SIGNAL(bufferInfoUpdated(BufferInfo)), _networkModel, SLOT(bufferUpdated(BufferInfo)));
+  p->attachSignal(inputHandler(), SIGNAL(sendInput(BufferInfo, QString)));
   p->attachSignal(this, SIGNAL(requestNetworkStates()));
 
-  p->attachSignal(this, SIGNAL(requestCreateIdentity(const Identity &)), SIGNAL(createIdentity(const Identity &)));
-  p->attachSignal(this, SIGNAL(requestUpdateIdentity(const Identity &)), SIGNAL(updateIdentity(const Identity &)));
+  p->attachSignal(this, SIGNAL(requestCreateIdentity(const Identity &, const QVariantMap &)), SIGNAL(createIdentity(const Identity &, const QVariantMap &)));
   p->attachSignal(this, SIGNAL(requestRemoveIdentity(IdentityId)), SIGNAL(removeIdentity(IdentityId)));
   p->attachSlot(SIGNAL(identityCreated(const Identity &)), this, SLOT(coreIdentityCreated(const Identity &)));
   p->attachSlot(SIGNAL(identityRemoved(IdentityId)), this, SLOT(coreIdentityRemoved(IdentityId)));
 
-  p->attachSignal(this, SIGNAL(requestCreateNetwork(const NetworkInfo &)), SIGNAL(createNetwork(const NetworkInfo &)));
-  p->attachSignal(this, SIGNAL(requestUpdateNetwork(const NetworkInfo &)), SIGNAL(updateNetwork(const NetworkInfo &)));
+  p->attachSignal(this, SIGNAL(requestCreateNetwork(const NetworkInfo &, const QStringList &)), SIGNAL(createNetwork(const NetworkInfo &, const QStringList &)));
   p->attachSignal(this, SIGNAL(requestRemoveNetwork(NetworkId)), SIGNAL(removeNetwork(NetworkId)));
   p->attachSlot(SIGNAL(networkCreated(NetworkId)), this, SLOT(coreNetworkCreated(NetworkId)));
   p->attachSlot(SIGNAL(networkRemoved(NetworkId)), this, SLOT(coreNetworkRemoved(NetworkId)));
 
-  connect(p, SIGNAL(disconnected()), this, SLOT(disconnectFromCore()));
+  //connect(mainUi(), SIGNAL(connectToCore(const QVariantMap &)), this, SLOT(connectToCore(const QVariantMap &)));
+  connect(mainUi(), SIGNAL(disconnectFromCore()), this, SLOT(disconnectFromCore()));
+  connect(this, SIGNAL(connected()), mainUi(), SLOT(connectedToCore()));
+  connect(this, SIGNAL(disconnected()), mainUi(), SLOT(disconnectedFromCore()));
 
-  //connect(mainUi, SIGNAL(connectToCore(const QVariantMap &)), this, SLOT(connectToCore(const QVariantMap &)));
-  connect(mainUi, SIGNAL(disconnectFromCore()), this, SLOT(disconnectFromCore()));
-  connect(this, SIGNAL(connected()), mainUi, SLOT(connectedToCore()));
-  connect(this, SIGNAL(disconnected()), mainUi, SLOT(disconnectedFromCore()));
+  // attach backlog manager
+  p->synchronize(backlogManager());
+  connect(backlogManager(), SIGNAL(messagesReceived(BufferId, int)), _messageModel, SLOT(messagesReceived(BufferId, int)));
 
-  layoutTimer = new QTimer(this);
-  layoutTimer->setInterval(0);
-  layoutTimer->setSingleShot(false);
-  connect(layoutTimer, SIGNAL(timeout()), this, SLOT(layoutMsg()));
+  coreAccountModel()->load();
 
+  connect(coreConnection(), SIGNAL(stateChanged(CoreConnection::ConnectionState)), SLOT(connectionStateChanged(CoreConnection::ConnectionState)));
+  coreConnection()->init();
 }
 
 /*** public static methods ***/
 
-AccountId Client::currentCoreAccount() {
-  return _currentCoreAccount;
-}
-
-void Client::setCurrentCoreAccount(AccountId id) {
-  _currentCoreAccount = id;
-}
-
-QList<BufferInfo> Client::allBufferInfos() {
-  QList<BufferInfo> bufferids;
-  foreach(Buffer *buffer, buffers()) {
-    bufferids << buffer->bufferInfo();
-  }
-  return bufferids;
-}
-
-QList<Buffer *> Client::buffers() {
-  return instance()->_buffers.values();
-}
-
-
-// FIXME remove
-Buffer *Client::buffer(BufferId bufferId) {
-  if(instance()->_buffers.contains(bufferId))
-    return instance()->_buffers[bufferId];
-  else
-    return 0;
-}
-
-// FIXME remove
-Buffer *Client::buffer(BufferInfo bufferInfo) {
-  Buffer *buff = buffer(bufferInfo.bufferId());
-
-  if(!buff) {
-    Client *client = Client::instance();
-    buff = new Buffer(bufferInfo, client);
-    connect(buff, SIGNAL(destroyed()),
-           client, SLOT(bufferDestroyed()));
-    client->_buffers[bufferInfo.bufferId()] = buff;
-    emit client->bufferUpdated(bufferInfo);
-
-    // I don't like this: but currently there isn't really a prettier way:
-    QModelIndex bufferIdx = networkModel()->bufferIndex(bufferInfo.bufferId());
-    bufferModel()->setCurrentIndex(bufferModel()->mapFromSource(bufferIdx));
-  }
-  Q_ASSERT(buff);
-  return buff;
+AbstractUi *Client::mainUi() {
+  return instance()->_mainUi;
 }
 
 bool Client::isConnected() {
-  return instance()->_connectedToCore;
+  return coreConnection()->state() >= CoreConnection::Connected;
 }
 
 bool Client::isSynced() {
-  return instance()->_syncedToCore;
+  return coreConnection()->state() == CoreConnection::Synchronized;
+}
+
+bool Client::internalCore() {
+  return currentCoreAccount().isInternal();
 }
 
 /*** Network handling ***/
@@ -189,18 +181,23 @@ const Network * Client::network(NetworkId networkid) {
   else return 0;
 }
 
-void Client::createNetwork(const NetworkInfo &info) {
-  emit instance()->requestCreateNetwork(info);
-}
-
-void Client::updateNetwork(const NetworkInfo &info) {
-  emit instance()->requestUpdateNetwork(info);
+void Client::createNetwork(const NetworkInfo &info, const QStringList &persistentChannels) {
+  emit instance()->requestCreateNetwork(info, persistentChannels);
 }
 
 void Client::removeNetwork(NetworkId id) {
   emit instance()->requestRemoveNetwork(id);
 }
 
+void Client::updateNetwork(const NetworkInfo &info) {
+  Network *netptr = instance()->_networks.value(info.networkId, 0);
+  if(!netptr) {
+    qWarning() << "Update for unknown network requested:" << info;
+    return;
+  }
+  netptr->requestSetNetworkInfo(info);
+}
+
 void Client::addNetwork(Network *net) {
   net->setProxy(signalProxy());
   signalProxy()->synchronize(net);
@@ -220,7 +217,8 @@ void Client::coreNetworkCreated(NetworkId id) {
 }
 
 void Client::coreNetworkRemoved(NetworkId id) {
-  if(!_networks.contains(id)) return;
+  if(!_networks.contains(id))
+    return;
   Network *net = _networks.take(id);
   emit networkRemoved(net->networkId());
   net->deleteLater();
@@ -232,17 +230,27 @@ QList<IdentityId> Client::identityIds() {
   return instance()->_identities.keys();
 }
 
-const Identity * Client::identity(IdentityId id) {
+const Identity *Client::identity(IdentityId id) {
   if(instance()->_identities.contains(id)) return instance()->_identities[id];
   else return 0;
 }
 
-void Client::createIdentity(const Identity &id) {
-  emit instance()->requestCreateIdentity(id);
+void Client::createIdentity(const CertIdentity &id) {
+  QVariantMap additional;
+#ifdef HAVE_SSL
+  additional["KeyPem"] = id.sslKey().toPem();
+  additional["CertPem"] = id.sslCert().toPem();
+#endif
+  emit instance()->requestCreateIdentity(id, additional);
 }
 
-void Client::updateIdentity(const Identity &id) {
-  emit instance()->requestUpdateIdentity(id);
+void Client::updateIdentity(IdentityId id, const QVariantMap &ser) {
+  Identity *idptr = instance()->_identities.value(id, 0);
+  if(!idptr) {
+    qWarning() << "Update for unknown identity requested:" << id;
+    return;
+  }
+  idptr->requestUpdate(ser);
 }
 
 void Client::removeIdentity(IdentityId id) {
@@ -269,63 +277,139 @@ void Client::coreIdentityRemoved(IdentityId id) {
   }
 }
 
-/***  ***/
-void Client::userInput(BufferInfo bufferInfo, QString message) {
-  emit instance()->sendInput(bufferInfo, message);
+/*** User input handling ***/
+
+void Client::userInput(const BufferInfo &bufferInfo, const QString &message) {
+  // we need to make sure that AliasManager is ready before processing input
+  if(aliasManager() && aliasManager()->isInitialized())
+    inputHandler()->handleUserInput(bufferInfo, message);
+  else
+   instance()-> _userInputBuffer.append(qMakePair(bufferInfo, message));
+}
+
+void Client::sendBufferedUserInput() {
+  for(int i = 0; i < _userInputBuffer.count(); i++)
+    userInput(_userInputBuffer.at(i).first, _userInputBuffer.at(i).second);
+
+  _userInputBuffer.clear();
 }
 
 /*** core connection stuff ***/
 
-void Client::setConnectedToCore(QIODevice *sock, AccountId id) {
-  socket = sock;
-  signalProxy()->addPeer(socket);
-  _connectedToCore = true;
-  setCurrentCoreAccount(id);
+void Client::connectionStateChanged(CoreConnection::ConnectionState state) {
+  switch(state) {
+  case CoreConnection::Disconnected:
+    setDisconnectedFromCore();
+    break;
+  case CoreConnection::Synchronized:
+    setSyncedToCore();
+    break;
+  default:
+    break;
+  }
 }
 
 void Client::setSyncedToCore() {
   // create buffersyncer
   Q_ASSERT(!_bufferSyncer);
   _bufferSyncer = new BufferSyncer(this);
-  connect(bufferSyncer(), SIGNAL(lastSeenSet(BufferId, const QDateTime &)), this, SLOT(updateLastSeen(BufferId, const QDateTime &)));
+  connect(bufferSyncer(), SIGNAL(lastSeenMsgSet(BufferId, MsgId)), _networkModel, SLOT(setLastSeenMsgId(BufferId, MsgId)));
   connect(bufferSyncer(), SIGNAL(bufferRemoved(BufferId)), this, SLOT(bufferRemoved(BufferId)));
   connect(bufferSyncer(), SIGNAL(bufferRenamed(BufferId, QString)), this, SLOT(bufferRenamed(BufferId, QString)));
+  connect(bufferSyncer(), SIGNAL(buffersPermanentlyMerged(BufferId, BufferId)), this, SLOT(buffersPermanentlyMerged(BufferId, BufferId)));
+  connect(bufferSyncer(), SIGNAL(buffersPermanentlyMerged(BufferId, BufferId)), _messageModel, SLOT(buffersPermanentlyMerged(BufferId, BufferId)));
+  connect(networkModel(), SIGNAL(setLastSeenMsg(BufferId, MsgId)), bufferSyncer(), SLOT(requestSetLastSeenMsg(BufferId, const MsgId &)));
   signalProxy()->synchronize(bufferSyncer());
 
-  _syncedToCore = true;
+  // create a new BufferViewManager
+  Q_ASSERT(!_bufferViewManager);
+  _bufferViewManager = new ClientBufferViewManager(signalProxy(), this);
+  connect(bufferViewManager(), SIGNAL(initDone()), this, SLOT(createDefaultBufferView()));
+
+  // create AliasManager
+  Q_ASSERT(!_aliasManager);
+  _aliasManager = new ClientAliasManager(this);
+  connect(aliasManager(), SIGNAL(initDone()), SLOT(sendBufferedUserInput()));
+  signalProxy()->synchronize(aliasManager());
+
+  // create NetworkConfig
+  Q_ASSERT(!_networkConfig);
+  _networkConfig = new NetworkConfig("GlobalNetworkConfig", this);
+  signalProxy()->synchronize(networkConfig());
+
+  // create IgnoreListManager
+  Q_ASSERT(!_ignoreListManager);
+  _ignoreListManager = new ClientIgnoreListManager(this);
+  signalProxy()->synchronize(ignoreListManager());
+
+  // trigger backlog request once all active bufferviews are initialized
+  connect(bufferViewOverlay(), SIGNAL(initDone()), this, SLOT(requestInitialBacklog()));
+
   emit connected();
   emit coreConnectionStateChanged(true);
 }
 
-void Client::disconnectFromCore() {
-  if(!isConnected())
+void Client::requestInitialBacklog() {
+  // usually it _should_ take longer until the bufferViews are initialized, so that's what
+  // triggers this slot. But we have to make sure that we know all buffers yet.
+  // so we check the BufferSyncer and in case it wasn't initialized we wait for that instead
+  if(!bufferSyncer()->isInitialized()) {
+    connect(bufferViewOverlay(), SIGNAL(initDone()), this, SLOT(requestInitialBacklog()));
+    connect(bufferSyncer(), SIGNAL(initDone()), this, SLOT(requestInitialBacklog()));
     return;
-  
-  if(socket) {
-    socket->close();
-    socket->deleteLater();
   }
-  _connectedToCore = false;
-  _syncedToCore = false;
-  setCurrentCoreAccount(0);
+  _backlogManager->requestInitialBacklog();
+}
+
+void Client::createDefaultBufferView() {
+  if(bufferViewManager()->bufferViewConfigs().isEmpty()) {
+    BufferViewConfig config(-1);
+    config.setBufferViewName(tr("All Chats"));
+    config.initSetBufferList(networkModel()->allBufferIdsSorted());
+    bufferViewManager()->requestCreateBufferView(config.toVariantMap());
+  }
+}
+
+void Client::disconnectFromCore() {
+  if(!coreConnection()->isConnected())
+    return;
+
+  coreConnection()->disconnectFromCore();
+}
+
+void Client::setDisconnectedFromCore() {
   emit disconnected();
   emit coreConnectionStateChanged(false);
 
+  backlogManager()->reset();
+  messageProcessor()->reset();
+
   // Clear internal data. Hopefully nothing relies on it at this point.
+
   if(_bufferSyncer) {
     _bufferSyncer->deleteLater();
     _bufferSyncer = 0;
   }
-  _networkModel->clear();
 
-  QHash<BufferId, Buffer *>::iterator bufferIter =  _buffers.begin();
-  while(bufferIter != _buffers.end()) {
-    Buffer *buffer = bufferIter.value();
-    disconnect(buffer, SIGNAL(destroyed()), this, 0);
-    bufferIter = _buffers.erase(bufferIter);
-    buffer->deleteLater();
+  if(_bufferViewManager) {
+    _bufferViewManager->deleteLater();
+    _bufferViewManager = 0;
   }
-  Q_ASSERT(_buffers.isEmpty());
+
+  if(_aliasManager) {
+    _aliasManager->deleteLater();
+    _aliasManager = 0;
+  }
+
+  if(_ignoreListManager) {
+    _ignoreListManager->deleteLater();
+    _ignoreListManager = 0;
+  }
+  // we probably don't want to save pending input for reconnect
+  _userInputBuffer.clear();
+
+  _messageModel->clear();
+  _networkModel->clear();
 
   QHash<NetworkId, Network*>::iterator netIter = _networks.begin();
   while(netIter != _networks.end()) {
@@ -337,41 +421,23 @@ void Client::disconnectFromCore() {
   }
   Q_ASSERT(_networks.isEmpty());
 
-  QHash<IdentityId, Identity*>::iterator idIter = _identities.begin();
+  QHash<IdentityId, Identity *>::iterator idIter = _identities.begin();
   while(idIter != _identities.end()) {
+    emit identityRemoved(idIter.key());
     Identity *id = idIter.value();
-    emit identityRemoved(id->id());
     idIter = _identities.erase(idIter);
     id->deleteLater();
   }
   Q_ASSERT(_identities.isEmpty());
 
-  layoutQueue.clear();
-  layoutTimer->stop();
-}
-
-void Client::setCoreConfiguration(const QVariantMap &settings) {
-  SignalProxy::writeDataToDevice(socket, settings);
+  if(_networkConfig) {
+    _networkConfig->deleteLater();
+    _networkConfig = 0;
+  }
 }
 
 /*** ***/
 
-void Client::updateBufferInfo(BufferInfo id) {
-  emit bufferUpdated(id);
-}
-
-void Client::bufferDestroyed() {
-  Buffer *buffer = static_cast<Buffer *>(sender());
-  QHash<BufferId, Buffer *>::iterator iter = _buffers.begin();
-  while(iter != _buffers.end()) {
-    if(iter.value() == buffer) {
-      iter = _buffers.erase(iter);
-      break;
-    }
-    iter++;
-  }
-}
-
 void Client::networkDestroyed() {
   Network *net = static_cast<Network *>(sender());
   QHash<NetworkId, Network *>::iterator netIter = _networks.begin();
@@ -385,107 +451,61 @@ void Client::networkDestroyed() {
   }
 }
 
-void Client::recvMessage(const Message &message) {
-  Message msg = message;
-  Buffer *b;
-  
-  if(msg.type() == Message::Error) {
-    b = buffer(msg.bufferInfo().bufferId());
-    if(!b) {
-      // FIXME: if buffer doesn't exist, forward the message to the status or current buffer
-      b = buffer(msg.bufferInfo());
-    }
-  } else {
-    b = buffer(msg.bufferInfo());
-  }
-
-  checkForHighlight(msg);
-  b->appendMsg(msg);
-  //bufferModel()->updateBufferActivity(msg);
-
-  if(msg.type() == Message::Plain || msg.type() == Message::Notice || msg.type() == Message::Action) {
-    const Network *net = network(msg.bufferInfo().networkId());
-    QString networkName = net != 0
-      ? net->networkName() + ":"
-      : QString();
-    QString sender = networkName + msg.bufferInfo().bufferName() + ":" + msg.sender();
-    Message mmsg = Message(msg.timestamp(), msg.bufferInfo(), msg.type(), msg.text(), sender, msg.flags());
-    monitorBuffer()->appendMsg(mmsg);
-  }
-}
-
+// Hmm... we never used this...
 void Client::recvStatusMsg(QString /*net*/, QString /*msg*/) {
   //recvMessage(net, Message::server("", QString("[STATUS] %1").arg(msg)));
 }
 
-void Client::recvBacklogData(BufferInfo id, QVariantList msgs, bool /*done*/) {
-  Buffer *b = buffer(id);
-  foreach(QVariant v, msgs) {
-    Message msg = v.value<Message>();
-    checkForHighlight(msg);
-    b->prependMsg(msg);
-    //networkModel()->updateBufferActivity(msg);
-    if(!layoutQueue.contains(b)) layoutQueue.append(b);
-  }
-  if(layoutQueue.count() && !layoutTimer->isActive()) layoutTimer->start();
+void Client::recvMessage(const Message &msg) {
+  Message msg_ = msg;
+  messageProcessor()->process(msg_);
 }
 
-void Client::layoutMsg() {
-  if(layoutQueue.count()) {
-    Buffer *b = layoutQueue.takeFirst();  // TODO make this the current buffer
-    if(b->layoutMsg())
-      layoutQueue.append(b);  // Buffer has more messages in its queue --> Round Robin
-  }
-  
-  if(!layoutQueue.count())
-    layoutTimer->stop();
-}
-
-AbstractUiMsg *Client::layoutMsg(const Message &msg) {
-  return instance()->mainUi->layoutMsg(msg);
+void Client::setBufferLastSeenMsg(BufferId id, const MsgId &msgId) {
+  if(!bufferSyncer())
+    return;
+  bufferSyncer()->requestSetLastSeenMsg(id, msgId);
 }
 
-void Client::checkForHighlight(Message &msg) {
-  const Network *net = network(msg.bufferInfo().networkId());
-  if(net && !net->myNick().isEmpty()) {
-    QRegExp nickRegExp("^(.*\\W)?" + QRegExp::escape(net->myNick()) + "(\\W.*)?$");
-    if((msg.type() & (Message::Plain | Message::Notice | Message::Action)) && nickRegExp.exactMatch(msg.text()))
-      msg.setFlags(msg.flags() | Message::Highlight);
-  }
+void Client::removeBuffer(BufferId id) {
+  if(!bufferSyncer()) return;
+  bufferSyncer()->requestRemoveBuffer(id);
 }
 
-void Client::updateLastSeen(BufferId id, const QDateTime &lastSeen) {
-  Buffer *b = buffer(id);
-  if(!b) {
-    qWarning() << "Client::updateLastSeen(): Unknown buffer" << id;
+void Client::renameBuffer(BufferId bufferId, const QString &newName) {
+  if(!bufferSyncer())
     return;
-  }
-  b->setLastSeen(lastSeen);
+  bufferSyncer()->requestRenameBuffer(bufferId, newName);
 }
 
-void Client::setBufferLastSeen(BufferId id, const QDateTime &lastSeen) {
-  if(!bufferSyncer()) return;
-  bufferSyncer()->requestSetLastSeen(id, lastSeen);
+void Client::mergeBuffersPermanently(BufferId bufferId1, BufferId bufferId2) {
+  if(!bufferSyncer())
+    return;
+  bufferSyncer()->requestMergeBuffersPermanently(bufferId1, bufferId2);
 }
 
-void Client::removeBuffer(BufferId id) {
-  if(!bufferSyncer()) return;
-  bufferSyncer()->requestRemoveBuffer(id);
+void Client::purgeKnownBufferIds() {
+  if(!bufferSyncer())
+    return;
+  bufferSyncer()->requestPurgeBufferIds();
 }
 
 void Client::bufferRemoved(BufferId bufferId) {
+  // select a sane buffer (status buffer)
+  /* we have to manually select a buffer because otherwise inconsitent changes
+   * to the model might occur:
+   * the result of a buffer removal triggers a change in the selection model.
+   * the newly selected buffer might be a channel that hasn't been selected yet
+   * and a new nickview would be created (which never heard of the "rowsAboutToBeRemoved").
+   * this new view (and/or) its sort filter will then only receive a "rowsRemoved" signal.
+   */
   QModelIndex current = bufferModel()->currentIndex();
   if(current.data(NetworkModel::BufferIdRole).value<BufferId>() == bufferId) {
-    // select the status buffer if the currently displayed buffer is about to be removed
     bufferModel()->setCurrentIndex(current.sibling(0,0));
   }
-    
+
+  // and remove it from the model
   networkModel()->removeBuffer(bufferId);
-  if(_buffers.contains(bufferId)) {
-    Buffer *buff = _buffers.take(bufferId);
-    disconnect(buff, 0, this, 0);
-    buff->deleteLater();
-  }
 }
 
 void Client::bufferRenamed(BufferId bufferId, const QString &newName) {
@@ -494,3 +514,27 @@ void Client::bufferRenamed(BufferId bufferId, const QString &newName) {
     networkModel()->setData(bufferIndex, newName, Qt::DisplayRole);
   }
 }
+
+void Client::buffersPermanentlyMerged(BufferId bufferId1, BufferId bufferId2) {
+  QModelIndex idx = networkModel()->bufferIndex(bufferId1);
+  bufferModel()->setCurrentIndex(bufferModel()->mapFromSource(idx));
+  networkModel()->removeBuffer(bufferId2);
+}
+
+void Client::logMessage(QtMsgType type, const char *msg) {
+  fprintf(stderr, "%s\n", msg);
+  fflush(stderr);
+  if(type == QtFatalMsg) {
+    Quassel::logFatalMessage(msg);
+  } else {
+    QString msgString = QString("%1\n").arg(msg);
+
+    //Check to see if there is an instance around, else we risk recursions
+    //when calling instance() and creating new ones.
+    if (!instanceExists())
+      return;
+
+    instance()->_debugLog << msgString;
+    emit instance()->logUpdated(msgString);
+  }
+}