src/client/client.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-08 by the Quassel Project                          *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) version 3.                                           *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #include "client.h"
  22
  23 #include "bufferinfo.h"
  24 #include "buffermodel.h"
  25 #include "buffersettings.h"
  26 #include "buffersyncer.h"
  27 #include "bufferviewmanager.h"
  28 #include "clientbacklogmanager.h"
  29 #include "clientirclisthelper.h"
  30 #include "global.h"
  31 #include "identity.h"
  32 #include "ircchannel.h"
  33 #include "ircuser.h"
  34 #include "message.h"
  35 #ifdef SPUTDEV
  36 # include "messagemodel.h"
  37 #endif
  38 #include "network.h"
  39 #include "networkmodel.h"
  40 #include "quasselui.h"
  41 #include "signalproxy.h"
  42 #include "util.h"
  43
  44 QPointer<Client> Client::instanceptr = 0;
  45 AccountId Client::_currentCoreAccount = 0;
  46
  47 /*** Initialization/destruction ***/
  48
  49 Client *Client::instance() {
  50   if(!instanceptr)
  51     instanceptr = new Client();
  52   return instanceptr;
  53 }
  54
  55 void Client::destroy() {
  56   //delete instanceptr;
  57   instanceptr->deleteLater();
  58 }
  59
  60 void Client::init(AbstractUi *ui) {
  61   instance()->mainUi = ui;
  62   instance()->init();
  63 }
  64
  65 Client::Client(QObject *parent)
  66   : QObject(parent),
  67     socket(0),
  68     _signalProxy(new SignalProxy(SignalProxy::Client, this)),
  69     mainUi(0),
  70     _networkModel(0),
  71     _bufferModel(0),
  72     _bufferSyncer(0),
  73     _backlogManager(new ClientBacklogManager(this)),
  74     _bufferViewManager(0),
  75     _messageModel(0),
  76     _ircListHelper(new ClientIrcListHelper(this)),
  77     _connectedToCore(false),
  78     _syncedToCore(false)
  79 {
  80   _monitorBuffer = new Buffer(BufferInfo(), this);
  81   _signalProxy->synchronize(_ircListHelper);
  82
  83   connect(_backlogManager, SIGNAL(backlog(BufferId, const QVariantList &)),
  84           this, SLOT(receiveBacklog(BufferId, const QVariantList &)));
  85 }
  86
  87 Client::~Client() {
  88   disconnectFromCore();
  89 }
  90
  91 void Client::init() {
  92   _currentCoreAccount = 0;
  93   _networkModel = new NetworkModel(this);
  94
  95   connect(this, SIGNAL(bufferUpdated(BufferInfo)),
  96           _networkModel, SLOT(bufferUpdated(BufferInfo)));
  97   connect(this, SIGNAL(networkRemoved(NetworkId)),
  98           _networkModel, SLOT(networkRemoved(NetworkId)));
  99
 100   _bufferModel = new BufferModel(_networkModel);
 101 #ifdef SPUTDEV
 102   _messageModel = mainUi->createMessageModel(this);
 103 #endif
 104   SignalProxy *p = signalProxy();
 105
 106   p->attachSlot(SIGNAL(displayMsg(const Message &)), this, SLOT(recvMessage(const Message &)));
 107   p->attachSlot(SIGNAL(displayStatusMsg(QString, QString)), this, SLOT(recvStatusMsg(QString, QString)));
 108
 109   p->attachSlot(SIGNAL(bufferInfoUpdated(BufferInfo)), this, SLOT(updateBufferInfo(BufferInfo)));
 110   p->attachSignal(this, SIGNAL(sendInput(BufferInfo, QString)));
 111   p->attachSignal(this, SIGNAL(requestNetworkStates()));
 112
 113   p->attachSignal(this, SIGNAL(requestCreateIdentity(const Identity &)), SIGNAL(createIdentity(const Identity &)));
 114   p->attachSignal(this, SIGNAL(requestUpdateIdentity(const Identity &)), SIGNAL(updateIdentity(const Identity &)));
 115   p->attachSignal(this, SIGNAL(requestRemoveIdentity(IdentityId)), SIGNAL(removeIdentity(IdentityId)));
 116   p->attachSlot(SIGNAL(identityCreated(const Identity &)), this, SLOT(coreIdentityCreated(const Identity &)));
 117   p->attachSlot(SIGNAL(identityRemoved(IdentityId)), this, SLOT(coreIdentityRemoved(IdentityId)));
 118
 119   p->attachSignal(this, SIGNAL(requestCreateNetwork(const NetworkInfo &)), SIGNAL(createNetwork(const NetworkInfo &)));
 120   p->attachSignal(this, SIGNAL(requestUpdateNetwork(const NetworkInfo &)), SIGNAL(updateNetwork(const NetworkInfo &)));
 121   p->attachSignal(this, SIGNAL(requestRemoveNetwork(NetworkId)), SIGNAL(removeNetwork(NetworkId)));
 122   p->attachSlot(SIGNAL(networkCreated(NetworkId)), this, SLOT(coreNetworkCreated(NetworkId)));
 123   p->attachSlot(SIGNAL(networkRemoved(NetworkId)), this, SLOT(coreNetworkRemoved(NetworkId)));
 124
 125   connect(p, SIGNAL(disconnected()), this, SLOT(disconnectFromCore()));
 126
 127   //connect(mainUi, SIGNAL(connectToCore(const QVariantMap &)), this, SLOT(connectToCore(const QVariantMap &)));
 128   connect(mainUi, SIGNAL(disconnectFromCore()), this, SLOT(disconnectFromCore()));
 129   connect(this, SIGNAL(connected()), mainUi, SLOT(connectedToCore()));
 130   connect(this, SIGNAL(disconnected()), mainUi, SLOT(disconnectedFromCore()));
 131
 132   layoutTimer = new QTimer(this);
 133   layoutTimer->setInterval(0);
 134   layoutTimer->setSingleShot(false);
 135   connect(layoutTimer, SIGNAL(timeout()), this, SLOT(layoutMsg()));
 136
 137 }
 138
 139 /*** public static methods ***/
 140
 141 AccountId Client::currentCoreAccount() {
 142   return _currentCoreAccount;
 143 }
 144
 145 void Client::setCurrentCoreAccount(AccountId id) {
 146   _currentCoreAccount = id;
 147 }
 148
 149 QList<BufferInfo> Client::allBufferInfos() {
 150   QList<BufferInfo> bufferids;
 151   foreach(Buffer *buffer, buffers()) {
 152     bufferids << buffer->bufferInfo();
 153   }
 154   return bufferids;
 155 }
 156
 157 QList<Buffer *> Client::buffers() {
 158   return instance()->_buffers.values();
 159 }
 160
 161
 162 Buffer *Client::statusBuffer(const NetworkId &networkId) const {
 163   if(_statusBuffers.contains(networkId))
 164     return _statusBuffers[networkId];
 165   else
 166     return 0;
 167 }
 168
 169 Buffer *Client::buffer(BufferId bufferId) {
 170   if(instance()->_buffers.contains(bufferId))
 171     return instance()->_buffers[bufferId];
 172   else
 173     return 0;
 174 }
 175
 176 Buffer *Client::buffer(BufferInfo bufferInfo) {
 177   Buffer *buff = buffer(bufferInfo.bufferId());
 178
 179   if(!buff) {
 180     Client *client = Client::instance();
 181     buff = new Buffer(bufferInfo, client);
 182     connect(buff, SIGNAL(destroyed()), client, SLOT(bufferDestroyed()));
 183     client->_buffers[bufferInfo.bufferId()] = buff;
 184     if(bufferInfo.type() == BufferInfo::StatusBuffer)
 185       client->_statusBuffers[bufferInfo.networkId()] = buff;
 186
 187     emit client->bufferUpdated(bufferInfo);
 188
 189     // I don't like this: but currently there isn't really a prettier way:
 190     if(isSynced()) {  // this slows down syncing a lot, so disable it during sync
 191       QModelIndex bufferIdx = networkModel()->bufferIndex(bufferInfo.bufferId());
 192       bufferModel()->setCurrentIndex(bufferModel()->mapFromSource(bufferIdx));
 193     }
 194   }
 195   Q_ASSERT(buff);
 196   return buff;
 197 }
 198
 199 bool Client::isConnected() {
 200   return instance()->_connectedToCore;
 201 }
 202
 203 bool Client::isSynced() {
 204   return instance()->_syncedToCore;
 205 }
 206
 207 /*** Network handling ***/
 208
 209 QList<NetworkId> Client::networkIds() {
 210   return instance()->_networks.keys();
 211 }
 212
 213 const Network * Client::network(NetworkId networkid) {
 214   if(instance()->_networks.contains(networkid)) return instance()->_networks[networkid];
 215   else return 0;
 216 }
 217
 218 void Client::createNetwork(const NetworkInfo &info) {
 219   emit instance()->requestCreateNetwork(info);
 220 }
 221
 222 void Client::updateNetwork(const NetworkInfo &info) {
 223   emit instance()->requestUpdateNetwork(info);
 224 }
 225
 226 void Client::removeNetwork(NetworkId id) {
 227   emit instance()->requestRemoveNetwork(id);
 228 }
 229
 230 void Client::addNetwork(Network *net) {
 231   net->setProxy(signalProxy());
 232   signalProxy()->synchronize(net);
 233   networkModel()->attachNetwork(net);
 234   connect(net, SIGNAL(destroyed()), instance(), SLOT(networkDestroyed()));
 235   instance()->_networks[net->networkId()] = net;
 236   emit instance()->networkCreated(net->networkId());
 237 }
 238
 239 void Client::coreNetworkCreated(NetworkId id) {
 240   if(_networks.contains(id)) {
 241     qWarning() << "Creation of already existing network requested!";
 242     return;
 243   }
 244   Network *net = new Network(id, this);
 245   addNetwork(net);
 246 }
 247
 248 void Client::coreNetworkRemoved(NetworkId id) {
 249   if(!_networks.contains(id)) return;
 250   Network *net = _networks.take(id);
 251   emit networkRemoved(net->networkId());
 252   net->deleteLater();
 253 }
 254
 255 /*** Identity handling ***/
 256
 257 QList<IdentityId> Client::identityIds() {
 258   return instance()->_identities.keys();
 259 }
 260
 261 const Identity * Client::identity(IdentityId id) {
 262   if(instance()->_identities.contains(id)) return instance()->_identities[id];
 263   else return 0;
 264 }
 265
 266 void Client::createIdentity(const Identity &id) {
 267   emit instance()->requestCreateIdentity(id);
 268 }
 269
 270 void Client::updateIdentity(const Identity &id) {
 271   emit instance()->requestUpdateIdentity(id);
 272 }
 273
 274 void Client::removeIdentity(IdentityId id) {
 275   emit instance()->requestRemoveIdentity(id);
 276 }
 277
 278 void Client::coreIdentityCreated(const Identity &other) {
 279   if(!_identities.contains(other.id())) {
 280     Identity *identity = new Identity(other, this);
 281     _identities[other.id()] = identity;
 282     identity->setInitialized();
 283     signalProxy()->synchronize(identity);
 284     emit identityCreated(other.id());
 285   } else {
 286     qWarning() << tr("Identity already exists in client!");
 287   }
 288 }
 289
 290 void Client::coreIdentityRemoved(IdentityId id) {
 291   if(_identities.contains(id)) {
 292     emit identityRemoved(id);
 293     Identity *i = _identities.take(id);
 294     i->deleteLater();
 295   }
 296 }
 297
 298 /***  ***/
 299 void Client::userInput(BufferInfo bufferInfo, QString message) {
 300   emit instance()->sendInput(bufferInfo, message);
 301 }
 302
 303 /*** core connection stuff ***/
 304
 305 void Client::setConnectedToCore(QIODevice *sock, AccountId id) {
 306   socket = sock;
 307   signalProxy()->addPeer(socket);
 308   _connectedToCore = true;
 309   setCurrentCoreAccount(id);
 310 }
 311
 312 void Client::setSyncedToCore() {
 313   // create buffersyncer
 314   Q_ASSERT(!_bufferSyncer);
 315   _bufferSyncer = new BufferSyncer(this);
 316   connect(bufferSyncer(), SIGNAL(lastSeenMsgSet(BufferId, MsgId)), this, SLOT(updateLastSeenMsg(BufferId, MsgId)));
 317   connect(bufferSyncer(), SIGNAL(bufferRemoved(BufferId)), this, SLOT(bufferRemoved(BufferId)));
 318   connect(bufferSyncer(), SIGNAL(bufferRenamed(BufferId, QString)), this, SLOT(bufferRenamed(BufferId, QString)));
 319   signalProxy()->synchronize(bufferSyncer());
 320
 321   // attach backlog manager
 322   signalProxy()->synchronize(backlogManager());
 323
 324   // create a new BufferViewManager
 325   _bufferViewManager = new BufferViewManager(signalProxy(), this);
 326
 327   _syncedToCore = true;
 328   emit connected();
 329   emit coreConnectionStateChanged(true);
 330 }
 331
 332 void Client::setSecuredConnection() {
 333   emit securedConnection();
 334 }
 335
 336 void Client::disconnectFromCore() {
 337   if(!isConnected())
 338     return;
 339   _connectedToCore = false;
 340
 341   if(socket) {
 342     socket->close();
 343     socket->deleteLater();
 344   }
 345   _syncedToCore = false;
 346   emit disconnected();
 347   emit coreConnectionStateChanged(false);
 348
 349   // Clear internal data. Hopefully nothing relies on it at this point.
 350   setCurrentCoreAccount(0);
 351
 352   if(_bufferSyncer) {
 353     _bufferSyncer->deleteLater();
 354     _bufferSyncer = 0;
 355   }
 356
 357   if(_bufferViewManager) {
 358     _bufferViewManager->deleteLater();
 359     _bufferViewManager = 0;
 360   }
 361
 362   _networkModel->clear();
 363
 364   QHash<BufferId, Buffer *>::iterator bufferIter =  _buffers.begin();
 365   while(bufferIter != _buffers.end()) {
 366     Buffer *buffer = bufferIter.value();
 367     disconnect(buffer, SIGNAL(destroyed()), this, 0);
 368     bufferIter = _buffers.erase(bufferIter);
 369     buffer->deleteLater();
 370   }
 371   Q_ASSERT(_buffers.isEmpty());
 372
 373   _statusBuffers.clear();
 374
 375   QHash<NetworkId, Network*>::iterator netIter = _networks.begin();
 376   while(netIter != _networks.end()) {
 377     Network *net = netIter.value();
 378     emit networkRemoved(net->networkId());
 379     disconnect(net, SIGNAL(destroyed()), this, 0);
 380     netIter = _networks.erase(netIter);
 381     net->deleteLater();
 382   }
 383   Q_ASSERT(_networks.isEmpty());
 384
 385   QHash<IdentityId, Identity*>::iterator idIter = _identities.begin();
 386   while(idIter != _identities.end()) {
 387     Identity *id = idIter.value();
 388     emit identityRemoved(id->id());
 389     idIter = _identities.erase(idIter);
 390     id->deleteLater();
 391   }
 392   Q_ASSERT(_identities.isEmpty());
 393
 394   layoutQueue.clear();
 395   layoutTimer->stop();
 396 }
 397
 398 void Client::setCoreConfiguration(const QVariantMap &settings) {
 399   SignalProxy::writeDataToDevice(socket, settings);
 400 }
 401
 402 /*** ***/
 403
 404 void Client::updateBufferInfo(BufferInfo id) {
 405   emit bufferUpdated(id);
 406 }
 407
 408 void Client::bufferDestroyed() {
 409   Buffer *buffer = static_cast<Buffer *>(sender());
 410   QHash<BufferId, Buffer *>::iterator iter = _buffers.begin();
 411   while(iter != _buffers.end()) {
 412     if(iter.value() == buffer) {
 413       iter = _buffers.erase(iter);
 414       break;
 415     }
 416     iter++;
 417   }
 418
 419   QHash<NetworkId, Buffer *>::iterator statusIter = _statusBuffers.begin();
 420   while(statusIter != _statusBuffers.end()) {
 421     if(statusIter.value() == buffer) {
 422       statusIter = _statusBuffers.erase(statusIter);
 423       break;
 424     }
 425     statusIter++;
 426   }
 427 }
 428
 429 void Client::networkDestroyed() {
 430   Network *net = static_cast<Network *>(sender());
 431   QHash<NetworkId, Network *>::iterator netIter = _networks.begin();
 432   while(netIter != _networks.end()) {
 433     if(*netIter == net) {
 434       netIter = _networks.erase(netIter);
 435       break;
 436     } else {
 437       netIter++;
 438     }
 439   }
 440 }
 441
 442 #ifndef SPUTDEV
 443 void Client::recvMessage(const Message &message) {
 444   Message msg = message;
 445   Buffer *b;
 446
 447   checkForHighlight(msg);
 448
 449   // FIXME clean up code! (dup)
 450
 451   // TODO: make redirected messages show up in the correct buffer!
 452
 453   if(msg.flags() & Message::Redirected) {
 454     BufferSettings bufferSettings;
 455     bool inStatus = bufferSettings.value("UserMessagesInStatusBuffer", QVariant(true)).toBool();
 456     bool inQuery = bufferSettings.value("UserMessagesInQueryBuffer", QVariant(false)).toBool();
 457     bool inCurrent = bufferSettings.value("UserMessagesInCurrentBuffer", QVariant(false)).toBool();
 458
 459     if(inStatus) {
 460       b = statusBuffer(msg.bufferInfo().networkId());
 461       if(b) {
 462         b->appendMsg(msg);
 463       } else if(!inQuery && !inCurrent) {       // make sure the message get's shown somewhere
 464         b = buffer(msg.bufferInfo());
 465         b->appendMsg(msg);
 466       }
 467     }
 468
 469     if(inQuery) {
 470       b = buffer(msg.bufferInfo().bufferId());
 471       if(b) {
 472         b->appendMsg(msg);
 473       } else if(!inStatus && !inCurrent) { // make sure the message get's shown somewhere
 474         b = statusBuffer(msg.bufferInfo().networkId());
 475       if(!b) b = buffer(msg.bufferInfo()); // seems like we have to create the buffer anyways...
 476       b->appendMsg(msg);
 477       }
 478     }
 479
 480     if(inCurrent) {
 481       BufferId currentId = bufferModel()->currentIndex().data(NetworkModel::BufferIdRole).value<BufferId>();
 482       b = buffer(currentId);
 483       if(b && currentId != msg.bufferInfo().bufferId() && !inQuery) {
 484         b->appendMsg(msg);
 485       } else if(!inStatus && !inQuery) {        // make sure the message get's shown somewhere
 486         b = statusBuffer(msg.bufferInfo().networkId());
 487         if(!b) b = buffer(msg.bufferInfo()); // seems like we have to create the buffer anyways...
 488         b->appendMsg(msg);
 489       }
 490     }
 491   } else {
 492     // the regular case: we can deliver where it was supposed to go
 493     b = buffer(msg.bufferInfo());
 494     b->appendMsg(msg);
 495   }
 496   //bufferModel()->updateBufferActivity(msg);
 497
 498   if(msg.type() == Message::Plain || msg.type() == Message::Notice || msg.type() == Message::Action) {
 499     const Network *net = network(msg.bufferInfo().networkId());
 500     QString networkName = net != 0
 501       ? net->networkName() + ":"
 502       : QString();
 503     QString sender = networkName + msg.bufferInfo().bufferName() + ":" + msg.sender();
 504     Message mmsg = Message(msg.timestamp(), msg.bufferInfo(), msg.type(), msg.contents(), sender, msg.flags());
 505     monitorBuffer()->appendMsg(mmsg);
 506   }
 507   emit messageReceived(msg);
 508 }
 509 #else
 510
 511 void Client::recvMessage(const Message &msg) {
 512   //checkForHighlight(msg);
 513   _messageModel->insertMessage(msg);
 514 }
 515
 516 #endif /* SPUTDEV */
 517
 518 void Client::recvStatusMsg(QString /*net*/, QString /*msg*/) {
 519   //recvMessage(net, Message::server("", QString("[STATUS] %1").arg(msg)));
 520 }
 521
 522 #ifdef SPUTDEV
 523 void Client::receiveBacklog(BufferId bufferId, const QVariantList &msgs) {
 524   //checkForHighlight(msg);
 525   foreach(QVariant v, msgs) {
 526     _messageModel->insertMessage(v.value<Message>());
 527   }
 528 }
 529
 530 #else
 531
 532 void Client::receiveBacklog(BufferId bufferId, const QVariantList &msgs) {
 533   Buffer *buffer_ = buffer(bufferId);
 534   if(!buffer_) {
 535     qWarning() << "Client::receiveBacklog(): received Backlog for unknown Buffer:" << bufferId;
 536     return;
 537   }
 538
 539   if(msgs.isEmpty())
 540     return; // no work to be done...
 541
 542   QVariantList::const_iterator msgIter = msgs.constBegin();
 543   QVariantList::const_iterator msgIterEnd = msgs.constEnd();
 544   Message msg;
 545   while(msgIter != msgIterEnd) {
 546     msg = (*msgIter).value<Message>();
 547     checkForHighlight(msg);
 548     buffer_->prependMsg(msg);
 549     msgIter++;
 550   }
 551
 552   if(!layoutQueue.contains(buffer_))
 553     layoutQueue.append(buffer_);
 554
 555   if(!layoutTimer->isActive()) {
 556     layoutTimer->start();
 557   }
 558 }
 559 #endif /* SPUTDEV */
 560
 561 void Client::layoutMsg() {
 562   if(layoutQueue.isEmpty()) {
 563     layoutTimer->stop();
 564     return;
 565   }
 566
 567   Buffer *buffer = layoutQueue.takeFirst();
 568   if(buffer->layoutMsg()) {
 569     layoutQueue.append(buffer);  // Buffer has more messages in its queue --> Round Robin
 570     return;
 571   }
 572
 573   if(layoutQueue.isEmpty())
 574     layoutTimer->stop();
 575 }
 576
 577 AbstractUiMsg *Client::layoutMsg(const Message &msg) {
 578   return instance()->mainUi->layoutMsg(msg);
 579 }
 580
 581 void Client::checkForHighlight(Message &msg) {
 582   NotificationSettings notificationSettings;
 583   const Network *net = network(msg.bufferInfo().networkId());
 584   if(net && !net->myNick().isEmpty()) {
 585     QStringList nickList;
 586     if(notificationSettings.highlightNick() == NotificationSettings::CurrentNick) {
 587       nickList << net->myNick();
 588     } else if(notificationSettings.highlightNick() == NotificationSettings::AllNicks) {
 589       nickList = identity(net->identity())->nicks();
 590     }
 591     foreach(QString nickname, nickList) {
 592       QRegExp nickRegExp("^(.*\\W)?" + QRegExp::escape(nickname) + "(\\W.*)?$");
 593       if((msg.type() & (Message::Plain | Message::Notice | Message::Action))
 594           && !(msg.flags() & Message::Self)
 595           && nickRegExp.exactMatch(msg.contents())) {
 596         msg.setFlags(msg.flags() | Message::Highlight);
 597         return;
 598       }
 599     }
 600
 601     foreach(QVariant highlight, notificationSettings.highlightList()) {
 602       QVariantMap highlightRule = highlight.toMap();
 603       if(!highlightRule["enable"].toBool())
 604         continue;
 605       Qt::CaseSensitivity caseSensitivity = highlightRule["cs"].toBool() ? Qt::CaseSensitive : Qt::CaseInsensitive;
 606       QString name = highlightRule["name"].toString();
 607       QRegExp userRegExp;
 608       if(highlightRule["regex"].toBool()) {
 609         userRegExp = QRegExp(name, caseSensitivity);
 610       } else {
 611         userRegExp = QRegExp("^(.*\\W)?" + QRegExp::escape(name) + "(\\W.*)?$", caseSensitivity);
 612       }
 613       if((msg.type() & (Message::Plain | Message::Notice | Message::Action))
 614           && !(msg.flags() & Message::Self)
 615           && userRegExp.exactMatch(msg.contents())) {
 616         msg.setFlags(msg.flags() | Message::Highlight);
 617         return;
 618       }
 619     }
 620   }
 621 }
 622
 623 void Client::updateLastSeenMsg(BufferId id, const MsgId &msgId) {
 624   Buffer *b = buffer(id);
 625   if(!b) {
 626     qWarning() << "Client::updateLastSeen(): Unknown buffer" << id;
 627     return;
 628   }
 629   b->setLastSeenMsg(msgId);
 630 }
 631
 632 void Client::setBufferLastSeenMsg(BufferId id, const MsgId &msgId) {
 633   if(!bufferSyncer())
 634     return;
 635   bufferSyncer()->requestSetLastSeenMsg(id, msgId);
 636 }
 637
 638 void Client::removeBuffer(BufferId id) {
 639   if(!bufferSyncer()) return;
 640   bufferSyncer()->requestRemoveBuffer(id);
 641 }
 642
 643 void Client::bufferRemoved(BufferId bufferId) {
 644   // first remove the buffer from has. this prohibits further lastSeenUpdates
 645   Buffer *buff = 0;
 646   if(_buffers.contains(bufferId)) {
 647     buff = _buffers.take(bufferId);
 648     disconnect(buff, 0, this, 0);
 649   }
 650
 651   // then we select a sane buffer (status buffer)
 652   /* we have to manually select a buffer because otherwise inconsitent changes
 653    * to the model might occur:
 654    * the result of a buffer removal triggers a change in the selection model.
 655    * the newly selected buffer might be a channel that hasn't been selected yet
 656    * and a new nickview would be created (which never heard of the "rowsAboutToBeRemoved").
 657    * this new view (and/or) its sort filter will then only receive a "rowsRemoved" signal.
 658    */
 659   QModelIndex current = bufferModel()->currentIndex();
 660   if(current.data(NetworkModel::BufferIdRole).value<BufferId>() == bufferId) {
 661     bufferModel()->setCurrentIndex(current.sibling(0,0));
 662   }
 663
 664   // and remove it from the model
 665   networkModel()->removeBuffer(bufferId);
 666
 667   if(buff)
 668     buff->deleteLater();
 669 }
 670
 671 void Client::bufferRenamed(BufferId bufferId, const QString &newName) {
 672   QModelIndex bufferIndex = networkModel()->bufferIndex(bufferId);
 673   if(bufferIndex.isValid()) {
 674     networkModel()->setData(bufferIndex, newName, Qt::DisplayRole);
 675   }
 676 }