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