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