src/client/client.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-09 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 "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 "clientuserinputhandler.h"
  38 #include "coreaccountmodel.h"
  39 #include "coreconnection.h"
  40 #include "ircchannel.h"
  41 #include "ircuser.h"
  42 #include "message.h"
  43 #include "messagemodel.h"
  44 #include "network.h"
  45 #include "networkconfig.h"
  46 #include "networkmodel.h"
  47 #include "quassel.h"
  48 #include "signalproxy.h"
  49 #include "util.h"
  50
  51 #include <stdio.h>
  52 #include <stdlib.h>
  53
  54 QPointer<Client> Client::instanceptr = 0;
  55
  56 /*** Initialization/destruction ***/
  57
  58 bool Client::instanceExists()
  59 {
  60   return instanceptr;
  61 }
  62
  63 Client *Client::instance() {
  64   if(!instanceptr)
  65     instanceptr = new Client();
  66   return instanceptr;
  67 }
  68
  69 void Client::destroy() {
  70   if(instanceptr) {
  71     delete instanceptr->mainUi();
  72     instanceptr->deleteLater();
  73     instanceptr = 0;
  74   }
  75 }
  76
  77 void Client::init(AbstractUi *ui) {
  78   instance()->_mainUi = ui;
  79   instance()->init();
  80 }
  81
  82 Client::Client(QObject *parent)
  83   : QObject(parent),
  84     _signalProxy(new SignalProxy(SignalProxy::Client, this)),
  85     _mainUi(0),
  86     _networkModel(0),
  87     _bufferModel(0),
  88     _bufferSyncer(0),
  89     _aliasManager(0),
  90     _backlogManager(new ClientBacklogManager(this)),
  91     _bufferViewManager(0),
  92     _bufferViewOverlay(new BufferViewOverlay(this)),
  93     _ircListHelper(new ClientIrcListHelper(this)),
  94     _inputHandler(0),
  95     _networkConfig(0),
  96     _ignoreListManager(0),
  97     _messageModel(0),
  98     _messageProcessor(0),
  99     _coreAccountModel(new CoreAccountModel(this)),
 100     _coreConnection(new CoreConnection(_coreAccountModel, this)),
 101     _connected(false),
 102     _debugLog(&_debugLogBuffer)
 103 {
 104   _signalProxy->synchronize(_ircListHelper);
 105 }
 106
 107 Client::~Client() {
 108   disconnectFromCore();
 109 }
 110
 111 void Client::init() {
 112   _networkModel = new NetworkModel(this);
 113
 114   connect(this, SIGNAL(networkRemoved(NetworkId)),
 115           _networkModel, SLOT(networkRemoved(NetworkId)));
 116
 117   _bufferModel = new BufferModel(_networkModel);
 118   _messageModel = mainUi()->createMessageModel(this);
 119   _messageProcessor = mainUi()->createMessageProcessor(this);
 120   _inputHandler = new ClientUserInputHandler(this);
 121
 122   SignalProxy *p = signalProxy();
 123
 124   p->attachSlot(SIGNAL(displayMsg(const Message &)), this, SLOT(recvMessage(const Message &)));
 125   p->attachSlot(SIGNAL(displayStatusMsg(QString, QString)), this, SLOT(recvStatusMsg(QString, QString)));
 126
 127   p->attachSlot(SIGNAL(bufferInfoUpdated(BufferInfo)), _networkModel, SLOT(bufferUpdated(BufferInfo)));
 128   p->attachSignal(inputHandler(), SIGNAL(sendInput(BufferInfo, QString)));
 129   p->attachSignal(this, SIGNAL(requestNetworkStates()));
 130
 131   p->attachSignal(this, SIGNAL(requestCreateIdentity(const Identity &, const QVariantMap &)), SIGNAL(createIdentity(const Identity &, const QVariantMap &)));
 132   p->attachSignal(this, SIGNAL(requestRemoveIdentity(IdentityId)), SIGNAL(removeIdentity(IdentityId)));
 133   p->attachSlot(SIGNAL(identityCreated(const Identity &)), this, SLOT(coreIdentityCreated(const Identity &)));
 134   p->attachSlot(SIGNAL(identityRemoved(IdentityId)), this, SLOT(coreIdentityRemoved(IdentityId)));
 135
 136   p->attachSignal(this, SIGNAL(requestCreateNetwork(const NetworkInfo &, const QStringList &)), SIGNAL(createNetwork(const NetworkInfo &, const QStringList &)));
 137   p->attachSignal(this, SIGNAL(requestRemoveNetwork(NetworkId)), SIGNAL(removeNetwork(NetworkId)));
 138   p->attachSlot(SIGNAL(networkCreated(NetworkId)), this, SLOT(coreNetworkCreated(NetworkId)));
 139   p->attachSlot(SIGNAL(networkRemoved(NetworkId)), this, SLOT(coreNetworkRemoved(NetworkId)));
 140
 141   //connect(mainUi(), SIGNAL(connectToCore(const QVariantMap &)), this, SLOT(connectToCore(const QVariantMap &)));
 142   connect(mainUi(), SIGNAL(disconnectFromCore()), this, SLOT(disconnectFromCore()));
 143   connect(this, SIGNAL(connected()), mainUi(), SLOT(connectedToCore()));
 144   connect(this, SIGNAL(disconnected()), mainUi(), SLOT(disconnectedFromCore()));
 145
 146   // attach backlog manager
 147   p->synchronize(backlogManager());
 148   connect(backlogManager(), SIGNAL(messagesReceived(BufferId, int)), _messageModel, SLOT(messagesReceived(BufferId, int)));
 149
 150   coreAccountModel()->load();
 151
 152   connect(coreConnection(), SIGNAL(stateChanged(CoreConnection::ConnectionState)), SLOT(connectionStateChanged(CoreConnection::ConnectionState)));
 153   coreConnection()->init();
 154 }
 155
 156 /*** public static methods ***/
 157
 158 AbstractUi *Client::mainUi() {
 159   return instance()->_mainUi;
 160 }
 161
 162 bool Client::isConnected() {
 163   return instance()->_connected;
 164 }
 165
 166 bool Client::internalCore() {
 167   return currentCoreAccount().isInternal();
 168 }
 169
 170 /*** Network handling ***/
 171
 172 QList<NetworkId> Client::networkIds() {
 173   return instance()->_networks.keys();
 174 }
 175
 176 const Network * Client::network(NetworkId networkid) {
 177   if(instance()->_networks.contains(networkid)) return instance()->_networks[networkid];
 178   else return 0;
 179 }
 180
 181 void Client::createNetwork(const NetworkInfo &info, const QStringList &persistentChannels) {
 182   emit instance()->requestCreateNetwork(info, persistentChannels);
 183 }
 184
 185 void Client::removeNetwork(NetworkId id) {
 186   emit instance()->requestRemoveNetwork(id);
 187 }
 188
 189 void Client::updateNetwork(const NetworkInfo &info) {
 190   Network *netptr = instance()->_networks.value(info.networkId, 0);
 191   if(!netptr) {
 192     qWarning() << "Update for unknown network requested:" << info;
 193     return;
 194   }
 195   netptr->requestSetNetworkInfo(info);
 196 }
 197
 198 void Client::addNetwork(Network *net) {
 199   net->setProxy(signalProxy());
 200   signalProxy()->synchronize(net);
 201   networkModel()->attachNetwork(net);
 202   connect(net, SIGNAL(destroyed()), instance(), SLOT(networkDestroyed()));
 203   instance()->_networks[net->networkId()] = net;
 204   emit instance()->networkCreated(net->networkId());
 205 }
 206
 207 void Client::coreNetworkCreated(NetworkId id) {
 208   if(_networks.contains(id)) {
 209     qWarning() << "Creation of already existing network requested!";
 210     return;
 211   }
 212   Network *net = new Network(id, this);
 213   addNetwork(net);
 214 }
 215
 216 void Client::coreNetworkRemoved(NetworkId id) {
 217   if(!_networks.contains(id))
 218     return;
 219   Network *net = _networks.take(id);
 220   emit networkRemoved(net->networkId());
 221   net->deleteLater();
 222 }
 223
 224 /*** Identity handling ***/
 225
 226 QList<IdentityId> Client::identityIds() {
 227   return instance()->_identities.keys();
 228 }
 229
 230 const Identity *Client::identity(IdentityId id) {
 231   if(instance()->_identities.contains(id)) return instance()->_identities[id];
 232   else return 0;
 233 }
 234
 235 void Client::createIdentity(const CertIdentity &id) {
 236   QVariantMap additional;
 237 #ifdef HAVE_SSL
 238   additional["KeyPem"] = id.sslKey().toPem();
 239   additional["CertPem"] = id.sslCert().toPem();
 240 #endif
 241   emit instance()->requestCreateIdentity(id, additional);
 242 }
 243
 244 void Client::updateIdentity(IdentityId id, const QVariantMap &ser) {
 245   Identity *idptr = instance()->_identities.value(id, 0);
 246   if(!idptr) {
 247     qWarning() << "Update for unknown identity requested:" << id;
 248     return;
 249   }
 250   idptr->requestUpdate(ser);
 251 }
 252
 253 void Client::removeIdentity(IdentityId id) {
 254   emit instance()->requestRemoveIdentity(id);
 255 }
 256
 257 void Client::coreIdentityCreated(const Identity &other) {
 258   if(!_identities.contains(other.id())) {
 259     Identity *identity = new Identity(other, this);
 260     _identities[other.id()] = identity;
 261     identity->setInitialized();
 262     signalProxy()->synchronize(identity);
 263     emit identityCreated(other.id());
 264   } else {
 265     qWarning() << tr("Identity already exists in client!");
 266   }
 267 }
 268
 269 void Client::coreIdentityRemoved(IdentityId id) {
 270   if(_identities.contains(id)) {
 271     emit identityRemoved(id);
 272     Identity *i = _identities.take(id);
 273     i->deleteLater();
 274   }
 275 }
 276
 277 /*** User input handling ***/
 278
 279 void Client::userInput(const BufferInfo &bufferInfo, const QString &message) {
 280   // we need to make sure that AliasManager is ready before processing input
 281   if(aliasManager() && aliasManager()->isInitialized())
 282     inputHandler()->handleUserInput(bufferInfo, message);
 283   else
 284    instance()-> _userInputBuffer.append(qMakePair(bufferInfo, message));
 285 }
 286
 287 void Client::sendBufferedUserInput() {
 288   for(int i = 0; i < _userInputBuffer.count(); i++)
 289     userInput(_userInputBuffer.at(i).first, _userInputBuffer.at(i).second);
 290
 291   _userInputBuffer.clear();
 292 }
 293
 294 /*** core connection stuff ***/
 295
 296 void Client::connectionStateChanged(CoreConnection::ConnectionState state) {
 297   switch(state) {
 298   case CoreConnection::Disconnected:
 299     setDisconnectedFromCore();
 300     break;
 301   case CoreConnection::Synchronized:
 302     setSyncedToCore();
 303     break;
 304   default:
 305     break;
 306   }
 307 }
 308
 309 void Client::setSyncedToCore() {
 310   // create buffersyncer
 311   Q_ASSERT(!_bufferSyncer);
 312   _bufferSyncer = new BufferSyncer(this);
 313   connect(bufferSyncer(), SIGNAL(lastSeenMsgSet(BufferId, MsgId)), _networkModel, SLOT(setLastSeenMsgId(BufferId, MsgId)));
 314   connect(bufferSyncer(), SIGNAL(bufferRemoved(BufferId)), this, SLOT(bufferRemoved(BufferId)));
 315   connect(bufferSyncer(), SIGNAL(bufferRenamed(BufferId, QString)), this, SLOT(bufferRenamed(BufferId, QString)));
 316   connect(bufferSyncer(), SIGNAL(buffersPermanentlyMerged(BufferId, BufferId)), this, SLOT(buffersPermanentlyMerged(BufferId, BufferId)));
 317   connect(bufferSyncer(), SIGNAL(buffersPermanentlyMerged(BufferId, BufferId)), _messageModel, SLOT(buffersPermanentlyMerged(BufferId, BufferId)));
 318   connect(networkModel(), SIGNAL(setLastSeenMsg(BufferId, MsgId)), bufferSyncer(), SLOT(requestSetLastSeenMsg(BufferId, const MsgId &)));
 319   signalProxy()->synchronize(bufferSyncer());
 320
 321   // create a new BufferViewManager
 322   Q_ASSERT(!_bufferViewManager);
 323   _bufferViewManager = new ClientBufferViewManager(signalProxy(), this);
 324   connect(bufferViewManager(), SIGNAL(initDone()), this, SLOT(createDefaultBufferView()));
 325
 326   // create AliasManager
 327   Q_ASSERT(!_aliasManager);
 328   _aliasManager = new ClientAliasManager(this);
 329   connect(aliasManager(), SIGNAL(initDone()), SLOT(sendBufferedUserInput()));
 330   signalProxy()->synchronize(aliasManager());
 331
 332   // create NetworkConfig
 333   Q_ASSERT(!_networkConfig);
 334   _networkConfig = new NetworkConfig("GlobalNetworkConfig", this);
 335   signalProxy()->synchronize(networkConfig());
 336
 337   // create IgnoreListManager
 338   Q_ASSERT(!_ignoreListManager);
 339   _ignoreListManager = new ClientIgnoreListManager(this);
 340   signalProxy()->synchronize(ignoreListManager());
 341
 342   // trigger backlog request once all active bufferviews are initialized
 343   connect(bufferViewOverlay(), SIGNAL(initDone()), this, SLOT(requestInitialBacklog()));
 344
 345   _connected = true;
 346   emit connected();
 347   emit coreConnectionStateChanged(true);
 348 }
 349
 350 void Client::requestInitialBacklog() {
 351   // usually it _should_ take longer until the bufferViews are initialized, so that's what
 352   // triggers this slot. But we have to make sure that we know all buffers yet.
 353   // so we check the BufferSyncer and in case it wasn't initialized we wait for that instead
 354   if(!bufferSyncer()->isInitialized()) {
 355     connect(bufferViewOverlay(), SIGNAL(initDone()), this, SLOT(requestInitialBacklog()));
 356     connect(bufferSyncer(), SIGNAL(initDone()), this, SLOT(requestInitialBacklog()));
 357     return;
 358   }
 359   _backlogManager->requestInitialBacklog();
 360 }
 361
 362 void Client::createDefaultBufferView() {
 363   if(bufferViewManager()->bufferViewConfigs().isEmpty()) {
 364     BufferViewConfig config(-1);
 365     config.setBufferViewName(tr("All Chats"));
 366     config.initSetBufferList(networkModel()->allBufferIdsSorted());
 367     bufferViewManager()->requestCreateBufferView(config.toVariantMap());
 368   }
 369 }
 370
 371 void Client::disconnectFromCore() {
 372   if(!coreConnection()->isConnected())
 373     return;
 374
 375   coreConnection()->disconnectFromCore();
 376 }
 377
 378 void Client::setDisconnectedFromCore() {
 379   _connected = false;
 380   emit disconnected();
 381   emit coreConnectionStateChanged(false);
 382
 383   backlogManager()->reset();
 384   messageProcessor()->reset();
 385
 386   // Clear internal data. Hopefully nothing relies on it at this point.
 387
 388   if(_bufferSyncer) {
 389     _bufferSyncer->deleteLater();
 390     _bufferSyncer = 0;
 391   }
 392
 393   if(_bufferViewManager) {
 394     _bufferViewManager->deleteLater();
 395     _bufferViewManager = 0;
 396   }
 397
 398   if(_aliasManager) {
 399     _aliasManager->deleteLater();
 400     _aliasManager = 0;
 401   }
 402
 403   if(_ignoreListManager) {
 404     _ignoreListManager->deleteLater();
 405     _ignoreListManager = 0;
 406   }
 407   // we probably don't want to save pending input for reconnect
 408   _userInputBuffer.clear();
 409
 410   _messageModel->clear();
 411   _networkModel->clear();
 412
 413   QHash<NetworkId, Network*>::iterator netIter = _networks.begin();
 414   while(netIter != _networks.end()) {
 415     Network *net = netIter.value();
 416     emit networkRemoved(net->networkId());
 417     disconnect(net, SIGNAL(destroyed()), this, 0);
 418     netIter = _networks.erase(netIter);
 419     net->deleteLater();
 420   }
 421   Q_ASSERT(_networks.isEmpty());
 422
 423   QHash<IdentityId, Identity *>::iterator idIter = _identities.begin();
 424   while(idIter != _identities.end()) {
 425     emit identityRemoved(idIter.key());
 426     Identity *id = idIter.value();
 427     idIter = _identities.erase(idIter);
 428     id->deleteLater();
 429   }
 430   Q_ASSERT(_identities.isEmpty());
 431
 432   if(_networkConfig) {
 433     _networkConfig->deleteLater();
 434     _networkConfig = 0;
 435   }
 436 }
 437
 438 /*** ***/
 439
 440 void Client::networkDestroyed() {
 441   Network *net = static_cast<Network *>(sender());
 442   QHash<NetworkId, Network *>::iterator netIter = _networks.begin();
 443   while(netIter != _networks.end()) {
 444     if(*netIter == net) {
 445       netIter = _networks.erase(netIter);
 446       break;
 447     } else {
 448       netIter++;
 449     }
 450   }
 451 }
 452
 453 // Hmm... we never used this...
 454 void Client::recvStatusMsg(QString /*net*/, QString /*msg*/) {
 455   //recvMessage(net, Message::server("", QString("[STATUS] %1").arg(msg)));
 456 }
 457
 458 void Client::recvMessage(const Message &msg) {
 459   Message msg_ = msg;
 460   messageProcessor()->process(msg_);
 461 }
 462
 463 void Client::setBufferLastSeenMsg(BufferId id, const MsgId &msgId) {
 464   if(!bufferSyncer())
 465     return;
 466   bufferSyncer()->requestSetLastSeenMsg(id, msgId);
 467 }
 468
 469 void Client::removeBuffer(BufferId id) {
 470   if(!bufferSyncer()) return;
 471   bufferSyncer()->requestRemoveBuffer(id);
 472 }
 473
 474 void Client::renameBuffer(BufferId bufferId, const QString &newName) {
 475   if(!bufferSyncer())
 476     return;
 477   bufferSyncer()->requestRenameBuffer(bufferId, newName);
 478 }
 479
 480 void Client::mergeBuffersPermanently(BufferId bufferId1, BufferId bufferId2) {
 481   if(!bufferSyncer())
 482     return;
 483   bufferSyncer()->requestMergeBuffersPermanently(bufferId1, bufferId2);
 484 }
 485
 486 void Client::purgeKnownBufferIds() {
 487   if(!bufferSyncer())
 488     return;
 489   bufferSyncer()->requestPurgeBufferIds();
 490 }
 491
 492 void Client::bufferRemoved(BufferId bufferId) {
 493   // select a sane buffer (status buffer)
 494   /* we have to manually select a buffer because otherwise inconsitent changes
 495    * to the model might occur:
 496    * the result of a buffer removal triggers a change in the selection model.
 497    * the newly selected buffer might be a channel that hasn't been selected yet
 498    * and a new nickview would be created (which never heard of the "rowsAboutToBeRemoved").
 499    * this new view (and/or) its sort filter will then only receive a "rowsRemoved" signal.
 500    */
 501   QModelIndex current = bufferModel()->currentIndex();
 502   if(current.data(NetworkModel::BufferIdRole).value<BufferId>() == bufferId) {
 503     bufferModel()->setCurrentIndex(current.sibling(0,0));
 504   }
 505
 506   // and remove it from the model
 507   networkModel()->removeBuffer(bufferId);
 508 }
 509
 510 void Client::bufferRenamed(BufferId bufferId, const QString &newName) {
 511   QModelIndex bufferIndex = networkModel()->bufferIndex(bufferId);
 512   if(bufferIndex.isValid()) {
 513     networkModel()->setData(bufferIndex, newName, Qt::DisplayRole);
 514   }
 515 }
 516
 517 void Client::buffersPermanentlyMerged(BufferId bufferId1, BufferId bufferId2) {
 518   QModelIndex idx = networkModel()->bufferIndex(bufferId1);
 519   bufferModel()->setCurrentIndex(bufferModel()->mapFromSource(idx));
 520   networkModel()->removeBuffer(bufferId2);
 521 }
 522
 523 void Client::logMessage(QtMsgType type, const char *msg) {
 524   fprintf(stderr, "%s\n", msg);
 525   fflush(stderr);
 526   if(type == QtFatalMsg) {
 527     Quassel::logFatalMessage(msg);
 528   } else {
 529     QString msgString = QString("%1\n").arg(msg);
 530
 531     //Check to see if there is an instance around, else we risk recursions
 532     //when calling instance() and creating new ones.
 533     if (!instanceExists())
 534       return;
 535
 536     instance()->_debugLog << msgString;
 537     emit instance()->logUpdated(msgString);
 538   }
 539 }