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