src/client/client.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2018 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  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
  19  ***************************************************************************/
  20
  21 #include "client.h"
  22
  23 #include "abstractmessageprocessor.h"
  24 #include "abstractui.h"
  25 #include "bufferinfo.h"
  26 #include "buffermodel.h"
  27 #include "buffersettings.h"
  28 #include "buffersyncer.h"
  29 #include "bufferviewconfig.h"
  30 #include "bufferviewoverlay.h"
  31 #include "clientaliasmanager.h"
  32 #include "clientbacklogmanager.h"
  33 #include "clientbufferviewmanager.h"
  34 #include "clientirclisthelper.h"
  35 #include "clientidentity.h"
  36 #include "clientignorelistmanager.h"
  37 #include "clienttransfermanager.h"
  38 #include "clientuserinputhandler.h"
  39 #include "coreaccountmodel.h"
  40 #include "coreconnection.h"
  41 #include "dccconfig.h"
  42 #include "ircchannel.h"
  43 #include "ircuser.h"
  44 #include "message.h"
  45 #include "messagemodel.h"
  46 #include "network.h"
  47 #include "networkconfig.h"
  48 #include "networkmodel.h"
  49 #include "quassel.h"
  50 #include "signalproxy.h"
  51 #include "transfermodel.h"
  52 #include "util.h"
  53 #include "clientauthhandler.h"
  54
  55 #include <stdio.h>
  56 #include <stdlib.h>
  57
  58 QPointer<Client> Client::instanceptr = 0;
  59
  60 /*** Initialization/destruction ***/
  61
  62 bool Client::instanceExists()
  63 {
  64     return instanceptr;
  65 }
  66
  67
  68 Client *Client::instance()
  69 {
  70     if (!instanceptr)
  71         instanceptr = new Client();
  72     return instanceptr;
  73 }
  74
  75
  76 void Client::destroy()
  77 {
  78     if (instanceptr) {
  79         delete instanceptr->mainUi();
  80         instanceptr->deleteLater();
  81         instanceptr = 0;
  82     }
  83 }
  84
  85
  86 void Client::init(AbstractUi *ui)
  87 {
  88     instance()->_mainUi = ui;
  89     instance()->init();
  90 }
  91
  92
  93 Client::Client(QObject *parent)
  94     : QObject(parent),
  95     _signalProxy(new SignalProxy(SignalProxy::Client, this)),
  96     _mainUi(0),
  97     _networkModel(0),
  98     _bufferModel(0),
  99     _bufferSyncer(0),
 100     _aliasManager(0),
 101     _backlogManager(new ClientBacklogManager(this)),
 102     _bufferViewManager(0),
 103     _bufferViewOverlay(new BufferViewOverlay(this)),
 104     _coreInfo(new CoreInfo(this)),
 105     _dccConfig(0),
 106     _ircListHelper(new ClientIrcListHelper(this)),
 107     _inputHandler(0),
 108     _networkConfig(0),
 109     _ignoreListManager(0),
 110     _highlightRuleManager(0),
 111     _transferManager(0),
 112     _transferModel(new TransferModel(this)),
 113     _messageModel(0),
 114     _messageProcessor(0),
 115     _coreAccountModel(new CoreAccountModel(this)),
 116     _coreConnection(new CoreConnection(this)),
 117     _connected(false)
 118 {
 119     _signalProxy->synchronize(_ircListHelper);
 120 }
 121
 122
 123 Client::~Client()
 124 {
 125     disconnectFromCore();
 126 }
 127
 128
 129 void Client::init()
 130 {
 131     _networkModel = new NetworkModel(this);
 132
 133     connect(this, SIGNAL(networkRemoved(NetworkId)),
 134         _networkModel, SLOT(networkRemoved(NetworkId)));
 135
 136     _bufferModel = new BufferModel(_networkModel);
 137     _messageModel = mainUi()->createMessageModel(this);
 138     _messageProcessor = mainUi()->createMessageProcessor(this);
 139     _inputHandler = new ClientUserInputHandler(this);
 140
 141     SignalProxy *p = signalProxy();
 142
 143     p->attachSlot(SIGNAL(displayMsg(const Message &)), this, SLOT(recvMessage(const Message &)));
 144     p->attachSlot(SIGNAL(displayStatusMsg(QString, QString)), this, SLOT(recvStatusMsg(QString, QString)));
 145
 146     p->attachSlot(SIGNAL(bufferInfoUpdated(BufferInfo)), _networkModel, SLOT(bufferUpdated(BufferInfo)));
 147     p->attachSignal(inputHandler(), SIGNAL(sendInput(BufferInfo, QString)));
 148     p->attachSignal(this, SIGNAL(requestNetworkStates()));
 149
 150     p->attachSignal(this, SIGNAL(requestCreateIdentity(const Identity &, const QVariantMap &)), SIGNAL(createIdentity(const Identity &, const QVariantMap &)));
 151     p->attachSignal(this, SIGNAL(requestRemoveIdentity(IdentityId)), SIGNAL(removeIdentity(IdentityId)));
 152     p->attachSlot(SIGNAL(identityCreated(const Identity &)), this, SLOT(coreIdentityCreated(const Identity &)));
 153     p->attachSlot(SIGNAL(identityRemoved(IdentityId)), this, SLOT(coreIdentityRemoved(IdentityId)));
 154
 155     p->attachSignal(this, SIGNAL(requestCreateNetwork(const NetworkInfo &, const QStringList &)), SIGNAL(createNetwork(const NetworkInfo &, const QStringList &)));
 156     p->attachSignal(this, SIGNAL(requestRemoveNetwork(NetworkId)), SIGNAL(removeNetwork(NetworkId)));
 157     p->attachSlot(SIGNAL(networkCreated(NetworkId)), this, SLOT(coreNetworkCreated(NetworkId)));
 158     p->attachSlot(SIGNAL(networkRemoved(NetworkId)), this, SLOT(coreNetworkRemoved(NetworkId)));
 159
 160     p->attachSignal(this, SIGNAL(requestPasswordChange(PeerPtr,QString,QString,QString)), SIGNAL(changePassword(PeerPtr,QString,QString,QString)));
 161     p->attachSlot(SIGNAL(passwordChanged(PeerPtr,bool)), this, SLOT(corePasswordChanged(PeerPtr,bool)));
 162
 163     p->attachSignal(this, SIGNAL(requestKickClient(int)), SIGNAL(kickClient(int)));
 164     p->attachSlot(SIGNAL(disconnectFromCore()), this, SLOT(disconnectFromCore()));
 165
 166     //connect(mainUi(), SIGNAL(connectToCore(const QVariantMap &)), this, SLOT(connectToCore(const QVariantMap &)));
 167     connect(mainUi(), SIGNAL(disconnectFromCore()), this, SLOT(disconnectFromCore()));
 168     connect(this, SIGNAL(connected()), mainUi(), SLOT(connectedToCore()));
 169     connect(this, SIGNAL(disconnected()), mainUi(), SLOT(disconnectedFromCore()));
 170
 171     // attach backlog manager
 172     p->synchronize(backlogManager());
 173     connect(backlogManager(), SIGNAL(messagesReceived(BufferId, int)), _messageModel, SLOT(messagesReceived(BufferId, int)));
 174
 175     coreAccountModel()->load();
 176
 177     // Attach CoreInfo
 178     p->synchronize(coreInfo());
 179
 180     connect(coreConnection(), SIGNAL(stateChanged(CoreConnection::ConnectionState)), SLOT(connectionStateChanged(CoreConnection::ConnectionState)));
 181     coreConnection()->init();
 182 }
 183
 184
 185 /*** public static methods ***/
 186
 187 AbstractUi *Client::mainUi()
 188 {
 189     return instance()->_mainUi;
 190 }
 191
 192
 193 bool Client::isCoreFeatureEnabled(Quassel::Feature feature)
 194 {
 195     return coreConnection()->peer() ? coreConnection()->peer()->hasFeature(feature) : false;
 196 }
 197
 198
 199 bool Client::isConnected()
 200 {
 201     return instance()->_connected;
 202 }
 203
 204
 205 bool Client::internalCore()
 206 {
 207     return currentCoreAccount().isInternal();
 208 }
 209
 210
 211 void Client::onDbUpgradeInProgress(bool inProgress)
 212 {
 213     emit dbUpgradeInProgress(inProgress);
 214 }
 215
 216
 217 /*** Network handling ***/
 218
 219 QList<NetworkId> Client::networkIds()
 220 {
 221     return instance()->_networks.keys();
 222 }
 223
 224
 225 const Network *Client::network(NetworkId networkid)
 226 {
 227     if (instance()->_networks.contains(networkid)) return instance()->_networks[networkid];
 228     else return 0;
 229 }
 230
 231
 232 void Client::createNetwork(const NetworkInfo &info, const QStringList &persistentChannels)
 233 {
 234     emit instance()->requestCreateNetwork(info, persistentChannels);
 235 }
 236
 237
 238 void Client::removeNetwork(NetworkId id)
 239 {
 240     emit instance()->requestRemoveNetwork(id);
 241 }
 242
 243
 244 void Client::updateNetwork(const NetworkInfo &info)
 245 {
 246     Network *netptr = instance()->_networks.value(info.networkId, 0);
 247     if (!netptr) {
 248         qWarning() << "Update for unknown network requested:" << info;
 249         return;
 250     }
 251     netptr->requestSetNetworkInfo(info);
 252 }
 253
 254
 255 void Client::addNetwork(Network *net)
 256 {
 257     net->setProxy(signalProxy());
 258     signalProxy()->synchronize(net);
 259     networkModel()->attachNetwork(net);
 260     connect(net, SIGNAL(destroyed()), instance(), SLOT(networkDestroyed()));
 261     instance()->_networks[net->networkId()] = net;
 262     emit instance()->networkCreated(net->networkId());
 263 }
 264
 265
 266 void Client::coreNetworkCreated(NetworkId id)
 267 {
 268     if (_networks.contains(id)) {
 269         qWarning() << "Creation of already existing network requested!";
 270         return;
 271     }
 272     Network *net = new Network(id, this);
 273     addNetwork(net);
 274 }
 275
 276
 277 void Client::coreNetworkRemoved(NetworkId id)
 278 {
 279     if (!_networks.contains(id))
 280         return;
 281     Network *net = _networks.take(id);
 282     emit networkRemoved(net->networkId());
 283     net->deleteLater();
 284 }
 285
 286
 287 /*** Identity handling ***/
 288
 289 QList<IdentityId> Client::identityIds()
 290 {
 291     return instance()->_identities.keys();
 292 }
 293
 294
 295 const Identity *Client::identity(IdentityId id)
 296 {
 297     if (instance()->_identities.contains(id)) return instance()->_identities[id];
 298     else return 0;
 299 }
 300
 301
 302 void Client::createIdentity(const CertIdentity &id)
 303 {
 304     QVariantMap additional;
 305 #ifdef HAVE_SSL
 306     additional["KeyPem"] = id.sslKey().toPem();
 307     additional["CertPem"] = id.sslCert().toPem();
 308 #endif
 309     emit instance()->requestCreateIdentity(id, additional);
 310 }
 311
 312
 313 void Client::updateIdentity(IdentityId id, const QVariantMap &ser)
 314 {
 315     Identity *idptr = instance()->_identities.value(id, 0);
 316     if (!idptr) {
 317         qWarning() << "Update for unknown identity requested:" << id;
 318         return;
 319     }
 320     idptr->requestUpdate(ser);
 321 }
 322
 323
 324 void Client::removeIdentity(IdentityId id)
 325 {
 326     emit instance()->requestRemoveIdentity(id);
 327 }
 328
 329
 330 void Client::coreIdentityCreated(const Identity &other)
 331 {
 332     if (!_identities.contains(other.id())) {
 333         Identity *identity = new Identity(other, this);
 334         _identities[other.id()] = identity;
 335         identity->setInitialized();
 336         signalProxy()->synchronize(identity);
 337         emit identityCreated(other.id());
 338     }
 339     else {
 340         qWarning() << tr("Identity already exists in client!");
 341     }
 342 }
 343
 344
 345 void Client::coreIdentityRemoved(IdentityId id)
 346 {
 347     if (_identities.contains(id)) {
 348         emit identityRemoved(id);
 349         Identity *i = _identities.take(id);
 350         i->deleteLater();
 351     }
 352 }
 353
 354
 355 /*** User input handling ***/
 356
 357 void Client::userInput(const BufferInfo &bufferInfo, const QString &message)
 358 {
 359     // we need to make sure that AliasManager is ready before processing input
 360     if (aliasManager() && aliasManager()->isInitialized())
 361         inputHandler()->handleUserInput(bufferInfo, message);
 362     else
 363         instance()->_userInputBuffer.append(qMakePair(bufferInfo, message));
 364 }
 365
 366
 367 void Client::sendBufferedUserInput()
 368 {
 369     for (int i = 0; i < _userInputBuffer.count(); i++)
 370         userInput(_userInputBuffer.at(i).first, _userInputBuffer.at(i).second);
 371
 372     _userInputBuffer.clear();
 373 }
 374
 375
 376 /*** core connection stuff ***/
 377
 378 void Client::connectionStateChanged(CoreConnection::ConnectionState state)
 379 {
 380     switch (state) {
 381     case CoreConnection::Disconnected:
 382         setDisconnectedFromCore();
 383         break;
 384     case CoreConnection::Synchronized:
 385         setSyncedToCore();
 386         break;
 387     default:
 388         break;
 389     }
 390 }
 391
 392
 393 void Client::setSyncedToCore()
 394 {
 395     // create buffersyncer
 396     Q_ASSERT(!_bufferSyncer);
 397     _bufferSyncer = new BufferSyncer(this);
 398     connect(bufferSyncer(), SIGNAL(lastSeenMsgSet(BufferId, MsgId)), _networkModel, SLOT(setLastSeenMsgId(BufferId, MsgId)));
 399     connect(bufferSyncer(), SIGNAL(markerLineSet(BufferId, MsgId)), _networkModel, SLOT(setMarkerLineMsgId(BufferId, MsgId)));
 400     connect(bufferSyncer(), SIGNAL(bufferRemoved(BufferId)), this, SLOT(bufferRemoved(BufferId)));
 401     connect(bufferSyncer(), SIGNAL(bufferRenamed(BufferId, QString)), this, SLOT(bufferRenamed(BufferId, QString)));
 402     connect(bufferSyncer(), SIGNAL(buffersPermanentlyMerged(BufferId, BufferId)), this, SLOT(buffersPermanentlyMerged(BufferId, BufferId)));
 403     connect(bufferSyncer(), SIGNAL(buffersPermanentlyMerged(BufferId, BufferId)), _messageModel, SLOT(buffersPermanentlyMerged(BufferId, BufferId)));
 404     connect(bufferSyncer(), SIGNAL(bufferMarkedAsRead(BufferId)), SIGNAL(bufferMarkedAsRead(BufferId)));
 405     connect(bufferSyncer(), SIGNAL(bufferActivityChanged(BufferId, const Message::Types)), _networkModel, SLOT(bufferActivityChanged(BufferId, const Message::Types)));
 406     connect(bufferSyncer(), SIGNAL(highlightCountChanged(BufferId, int)), _networkModel, SLOT(highlightCountChanged(BufferId, int)));
 407     connect(networkModel(), SIGNAL(requestSetLastSeenMsg(BufferId, MsgId)), bufferSyncer(), SLOT(requestSetLastSeenMsg(BufferId, const MsgId &)));
 408
 409     SignalProxy *p = signalProxy();
 410     p->synchronize(bufferSyncer());
 411
 412     // create a new BufferViewManager
 413     Q_ASSERT(!_bufferViewManager);
 414     _bufferViewManager = new ClientBufferViewManager(p, this);
 415     connect(_bufferViewManager, SIGNAL(initDone()), _bufferViewOverlay, SLOT(restore()));
 416
 417     // create AliasManager
 418     Q_ASSERT(!_aliasManager);
 419     _aliasManager = new ClientAliasManager(this);
 420     connect(aliasManager(), SIGNAL(initDone()), SLOT(sendBufferedUserInput()));
 421     p->synchronize(aliasManager());
 422
 423     // create NetworkConfig
 424     Q_ASSERT(!_networkConfig);
 425     _networkConfig = new NetworkConfig("GlobalNetworkConfig", this);
 426     p->synchronize(networkConfig());
 427
 428     // create IgnoreListManager
 429     Q_ASSERT(!_ignoreListManager);
 430     _ignoreListManager = new ClientIgnoreListManager(this);
 431     p->synchronize(ignoreListManager());
 432
 433     // create Core-Side HighlightRuleManager
 434     Q_ASSERT(!_highlightRuleManager);
 435     _highlightRuleManager = new HighlightRuleManager(this);
 436     p->synchronize(highlightRuleManager());
 437
 438 /*  not ready yet
 439     // create TransferManager and DccConfig if core supports them
 440     Q_ASSERT(!_dccConfig);
 441     Q_ASSERT(!_transferManager);
 442     if (isCoreFeatureEnabled(Quassel::Feature::DccFileTransfer)) {
 443         _dccConfig = new DccConfig(this);
 444         p->synchronize(dccConfig());
 445         _transferManager = new ClientTransferManager(this);
 446         _transferModel->setManager(_transferManager);
 447         p->synchronize(transferManager());
 448     }
 449 */
 450
 451     // trigger backlog request once all active bufferviews are initialized
 452     connect(bufferViewOverlay(), SIGNAL(initDone()), this, SLOT(finishConnectionInitialization()));
 453
 454     _connected = true;
 455     emit connected();
 456     emit coreConnectionStateChanged(true);
 457 }
 458
 459 void Client::finishConnectionInitialization()
 460 {
 461     // usually it _should_ take longer until the bufferViews are initialized, so that's what
 462     // triggers this slot. But we have to make sure that we know all buffers yet.
 463     // so we check the BufferSyncer and in case it wasn't initialized we wait for that instead
 464     if (!bufferSyncer()->isInitialized()) {
 465         disconnect(bufferViewOverlay(), SIGNAL(initDone()), this, SLOT(finishConnectionInitialization()));
 466         connect(bufferSyncer(), SIGNAL(initDone()), this, SLOT(finishConnectionInitialization()));
 467         return;
 468     }
 469     disconnect(bufferViewOverlay(), SIGNAL(initDone()), this, SLOT(finishConnectionInitialization()));
 470     disconnect(bufferSyncer(), SIGNAL(initDone()), this, SLOT(finishConnectionInitialization()));
 471
 472     requestInitialBacklog();
 473     if (isCoreFeatureEnabled(Quassel::Feature::BufferActivitySync)) {
 474         bufferSyncer()->markActivitiesChanged();
 475         bufferSyncer()->markHighlightCountsChanged();
 476     }
 477 }
 478
 479
 480 void Client::requestInitialBacklog()
 481 {
 482     _backlogManager->requestInitialBacklog();
 483 }
 484
 485
 486 void Client::requestLegacyCoreInfo()
 487 {
 488     // On older cores, the CoreInfo object was only synchronized on demand.  Synchronize now if
 489     // needed.
 490     if (isConnected() && !isCoreFeatureEnabled(Quassel::Feature::SyncedCoreInfo)) {
 491         // Delete the existing core info object (it will always exist as client is single-threaded)
 492         _coreInfo->deleteLater();
 493         // No need to set to null when creating new one immediately after
 494
 495         // Create a fresh, unsynchronized CoreInfo object, emulating legacy behavior of CoreInfo not
 496         // persisting
 497         _coreInfo = new CoreInfo(this);
 498         // Synchronize the new object
 499         signalProxy()->synchronize(_coreInfo);
 500
 501         // Let others know signal handlers have been reset
 502         emit coreInfoResynchronized();
 503     }
 504 }
 505
 506
 507 void Client::disconnectFromCore()
 508 {
 509     if (!coreConnection()->isConnected())
 510         return;
 511
 512     coreConnection()->disconnectFromCore();
 513 }
 514
 515
 516 void Client::setDisconnectedFromCore()
 517 {
 518     _connected = false;
 519
 520     emit disconnected();
 521     emit coreConnectionStateChanged(false);
 522
 523     backlogManager()->reset();
 524     messageProcessor()->reset();
 525
 526     // Clear internal data. Hopefully nothing relies on it at this point.
 527
 528     if (_bufferSyncer) {
 529         _bufferSyncer->deleteLater();
 530         _bufferSyncer = 0;
 531     }
 532
 533     _coreInfo->reset();
 534
 535     if (_bufferViewManager) {
 536         _bufferViewManager->deleteLater();
 537         _bufferViewManager = 0;
 538     }
 539
 540     _bufferViewOverlay->reset();
 541
 542     if (_aliasManager) {
 543         _aliasManager->deleteLater();
 544         _aliasManager = 0;
 545     }
 546
 547     if (_ignoreListManager) {
 548         _ignoreListManager->deleteLater();
 549         _ignoreListManager = 0;
 550     }
 551
 552     if (_highlightRuleManager) {
 553         _highlightRuleManager->deleteLater();
 554         _highlightRuleManager = nullptr;
 555     }
 556
 557     if (_transferManager) {
 558         _transferModel->setManager(nullptr);
 559         _transferManager->deleteLater();
 560         _transferManager = nullptr;
 561     }
 562
 563     if (_dccConfig) {
 564         _dccConfig->deleteLater();
 565         _dccConfig = nullptr;
 566     }
 567
 568     // we probably don't want to save pending input for reconnect
 569     _userInputBuffer.clear();
 570
 571     _messageModel->clear();
 572     _networkModel->clear();
 573
 574     QHash<NetworkId, Network *>::iterator netIter = _networks.begin();
 575     while (netIter != _networks.end()) {
 576         Network *net = netIter.value();
 577         emit networkRemoved(net->networkId());
 578         disconnect(net, SIGNAL(destroyed()), this, 0);
 579         netIter = _networks.erase(netIter);
 580         net->deleteLater();
 581     }
 582     Q_ASSERT(_networks.isEmpty());
 583
 584     QHash<IdentityId, Identity *>::iterator idIter = _identities.begin();
 585     while (idIter != _identities.end()) {
 586         emit identityRemoved(idIter.key());
 587         Identity *id = idIter.value();
 588         idIter = _identities.erase(idIter);
 589         id->deleteLater();
 590     }
 591     Q_ASSERT(_identities.isEmpty());
 592
 593     if (_networkConfig) {
 594         _networkConfig->deleteLater();
 595         _networkConfig = 0;
 596     }
 597 }
 598
 599
 600 /*** ***/
 601
 602 void Client::networkDestroyed()
 603 {
 604     Network *net = static_cast<Network *>(sender());
 605     QHash<NetworkId, Network *>::iterator netIter = _networks.begin();
 606     while (netIter != _networks.end()) {
 607         if (*netIter == net) {
 608             netIter = _networks.erase(netIter);
 609             break;
 610         }
 611         else {
 612             ++netIter;
 613         }
 614     }
 615 }
 616
 617
 618 // Hmm... we never used this...
 619 void Client::recvStatusMsg(QString /*net*/, QString /*msg*/)
 620 {
 621     //recvMessage(net, Message::server("", QString("[STATUS] %1").arg(msg)));
 622 }
 623
 624
 625 void Client::recvMessage(const Message &msg)
 626 {
 627     Message msg_ = msg;
 628     messageProcessor()->process(msg_);
 629 }
 630
 631
 632 void Client::setBufferLastSeenMsg(BufferId id, const MsgId &msgId)
 633 {
 634     if (bufferSyncer())
 635         bufferSyncer()->requestSetLastSeenMsg(id, msgId);
 636 }
 637
 638
 639 void Client::setMarkerLine(BufferId id, const MsgId &msgId)
 640 {
 641     if (bufferSyncer())
 642         bufferSyncer()->requestSetMarkerLine(id, msgId);
 643 }
 644
 645
 646 MsgId Client::markerLine(BufferId id)
 647 {
 648     if (id.isValid() && networkModel())
 649         return networkModel()->markerLineMsgId(id);
 650     return MsgId();
 651 }
 652
 653
 654 void Client::removeBuffer(BufferId id)
 655 {
 656     if (!bufferSyncer()) return;
 657     bufferSyncer()->requestRemoveBuffer(id);
 658 }
 659
 660
 661 void Client::renameBuffer(BufferId bufferId, const QString &newName)
 662 {
 663     if (!bufferSyncer())
 664         return;
 665     bufferSyncer()->requestRenameBuffer(bufferId, newName);
 666 }
 667
 668
 669 void Client::mergeBuffersPermanently(BufferId bufferId1, BufferId bufferId2)
 670 {
 671     if (!bufferSyncer())
 672         return;
 673     bufferSyncer()->requestMergeBuffersPermanently(bufferId1, bufferId2);
 674 }
 675
 676
 677 void Client::purgeKnownBufferIds()
 678 {
 679     if (!bufferSyncer())
 680         return;
 681     bufferSyncer()->requestPurgeBufferIds();
 682 }
 683
 684
 685 void Client::bufferRemoved(BufferId bufferId)
 686 {
 687     // select a sane buffer (status buffer)
 688     /* we have to manually select a buffer because otherwise inconsitent changes
 689      * to the model might occur:
 690      * the result of a buffer removal triggers a change in the selection model.
 691      * the newly selected buffer might be a channel that hasn't been selected yet
 692      * and a new nickview would be created (which never heard of the "rowsAboutToBeRemoved").
 693      * this new view (and/or) its sort filter will then only receive a "rowsRemoved" signal.
 694      */
 695     QModelIndex current = bufferModel()->currentIndex();
 696     if (current.data(NetworkModel::BufferIdRole).value<BufferId>() == bufferId) {
 697         bufferModel()->setCurrentIndex(current.sibling(0, 0));
 698     }
 699
 700     // and remove it from the model
 701     networkModel()->removeBuffer(bufferId);
 702 }
 703
 704
 705 void Client::bufferRenamed(BufferId bufferId, const QString &newName)
 706 {
 707     QModelIndex bufferIndex = networkModel()->bufferIndex(bufferId);
 708     if (bufferIndex.isValid()) {
 709         networkModel()->setData(bufferIndex, newName, Qt::DisplayRole);
 710     }
 711 }
 712
 713
 714 void Client::buffersPermanentlyMerged(BufferId bufferId1, BufferId bufferId2)
 715 {
 716     QModelIndex idx = networkModel()->bufferIndex(bufferId1);
 717     bufferModel()->setCurrentIndex(bufferModel()->mapFromSource(idx));
 718     networkModel()->removeBuffer(bufferId2);
 719 }
 720
 721
 722 void Client::markBufferAsRead(BufferId id)
 723 {
 724     if (bufferSyncer() && id.isValid())
 725         bufferSyncer()->requestMarkBufferAsRead(id);
 726 }
 727
 728
 729 void Client::refreshLegacyCoreInfo()
 730 {
 731     instance()->requestLegacyCoreInfo();
 732 }
 733
 734
 735 void Client::changePassword(const QString &oldPassword, const QString &newPassword) {
 736     CoreAccount account = currentCoreAccount();
 737     account.setPassword(newPassword);
 738     coreAccountModel()->createOrUpdateAccount(account);
 739     emit instance()->requestPasswordChange(nullptr, account.user(), oldPassword, newPassword);
 740 }
 741
 742
 743 void Client::kickClient(int peerId)
 744 {
 745     emit instance()->requestKickClient(peerId);
 746 }
 747
 748
 749 void Client::corePasswordChanged(PeerPtr, bool success)
 750 {
 751     if (success)
 752         coreAccountModel()->save();
 753     emit passwordChanged(success);
 754 }