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 "global.h"
  32 #include "identity.h"
  33 #include "ircchannel.h"
  34 #include "ircuser.h"
  35 #include "message.h"
  36 #include "messagemodel.h"
  37 #include "network.h"
  38 #include "networkmodel.h"
  39 #include "quasselui.h"
  40 #include "signalproxy.h"
  41 #include "util.h"
  42
  43 QPointer<Client> Client::instanceptr = 0;
  44 AccountId Client::_currentCoreAccount = 0;
  45
  46 /*** Initialization/destruction ***/
  47
  48 Client *Client::instance() {
  49   if(!instanceptr)
  50     instanceptr = new Client();
  51   return instanceptr;
  52 }
  53
  54 void Client::destroy() {
  55   //delete instanceptr;
  56   instanceptr->deleteLater();
  57 }
  58
  59 void Client::init(AbstractUi *ui) {
  60   instance()->mainUi = ui;
  61   instance()->init();
  62 }
  63
  64 Client::Client(QObject *parent)
  65   : QObject(parent),
  66     socket(0),
  67     _signalProxy(new SignalProxy(SignalProxy::Client, this)),
  68     mainUi(0),
  69     _networkModel(0),
  70     _bufferModel(0),
  71     _bufferSyncer(0),
  72     _backlogManager(new ClientBacklogManager(this)),
  73     _bufferViewManager(0),
  74     _ircListHelper(new ClientIrcListHelper(this)),
  75     _messageModel(0),
  76     _messageProcessor(0),
  77     _connectedToCore(false),
  78     _syncedToCore(false)
  79 {
  80   _signalProxy->synchronize(_ircListHelper);
  81
  82   connect(_backlogManager, SIGNAL(backlog(BufferId, const QVariantList &)),
  83           this, SLOT(receiveBacklog(BufferId, const QVariantList &)));
  84 }
  85
  86 Client::~Client() {
  87   disconnectFromCore();
  88 }
  89
  90 void Client::init() {
  91   _currentCoreAccount = 0;
  92   _networkModel = new NetworkModel(this);
  93
  94   connect(this, SIGNAL(bufferUpdated(BufferInfo)),
  95           _networkModel, SLOT(bufferUpdated(BufferInfo)));
  96   connect(this, SIGNAL(networkRemoved(NetworkId)),
  97           _networkModel, SLOT(networkRemoved(NetworkId)));
  98
  99   _bufferModel = new BufferModel(_networkModel);
 100   _messageModel = mainUi->createMessageModel(this);
 101   _messageProcessor = mainUi->createMessageProcessor(this);
 102
 103   SignalProxy *p = signalProxy();
 104
 105   p->attachSlot(SIGNAL(displayMsg(const Message &)), this, SLOT(recvMessage(const Message &)));
 106   p->attachSlot(SIGNAL(displayStatusMsg(QString, QString)), this, SLOT(recvStatusMsg(QString, QString)));
 107
 108   p->attachSlot(SIGNAL(bufferInfoUpdated(BufferInfo)), this, SLOT(updateBufferInfo(BufferInfo)));
 109   p->attachSignal(this, SIGNAL(sendInput(BufferInfo, QString)));
 110   p->attachSignal(this, SIGNAL(requestNetworkStates()));
 111
 112   p->attachSignal(this, SIGNAL(requestCreateIdentity(const Identity &)), SIGNAL(createIdentity(const Identity &)));
 113   p->attachSignal(this, SIGNAL(requestRemoveIdentity(IdentityId)), SIGNAL(removeIdentity(IdentityId)));
 114   p->attachSlot(SIGNAL(identityCreated(const Identity &)), this, SLOT(coreIdentityCreated(const Identity &)));
 115   p->attachSlot(SIGNAL(identityRemoved(IdentityId)), this, SLOT(coreIdentityRemoved(IdentityId)));
 116
 117   p->attachSignal(this, SIGNAL(requestCreateNetwork(const NetworkInfo &)), SIGNAL(createNetwork(const NetworkInfo &)));
 118   p->attachSignal(this, SIGNAL(requestRemoveNetwork(NetworkId)), SIGNAL(removeNetwork(NetworkId)));
 119   p->attachSlot(SIGNAL(networkCreated(NetworkId)), this, SLOT(coreNetworkCreated(NetworkId)));
 120   p->attachSlot(SIGNAL(networkRemoved(NetworkId)), this, SLOT(coreNetworkRemoved(NetworkId)));
 121
 122   connect(p, SIGNAL(disconnected()), this, SLOT(disconnectFromCore()));
 123
 124   //connect(mainUi, SIGNAL(connectToCore(const QVariantMap &)), this, SLOT(connectToCore(const QVariantMap &)));
 125   connect(mainUi, SIGNAL(disconnectFromCore()), this, SLOT(disconnectFromCore()));
 126   connect(this, SIGNAL(connected()), mainUi, SLOT(connectedToCore()));
 127   connect(this, SIGNAL(disconnected()), mainUi, SLOT(disconnectedFromCore()));
 128
 129 }
 130
 131 /*** public static methods ***/
 132
 133 AccountId Client::currentCoreAccount() {
 134   return _currentCoreAccount;
 135 }
 136
 137 void Client::setCurrentCoreAccount(AccountId id) {
 138   _currentCoreAccount = id;
 139 }
 140
 141 QList<BufferInfo> Client::allBufferInfos() {
 142   QList<BufferInfo> bufferids;
 143   foreach(Buffer *buffer, buffers()) {
 144     bufferids << buffer->bufferInfo();
 145   }
 146   return bufferids;
 147 }
 148
 149 QList<Buffer *> Client::buffers() {
 150   return instance()->_buffers.values();
 151 }
 152
 153
 154 Buffer *Client::statusBuffer(const NetworkId &networkId) const {
 155   if(_statusBuffers.contains(networkId))
 156     return _statusBuffers[networkId];
 157   else
 158     return 0;
 159 }
 160
 161 Buffer *Client::buffer(BufferInfo bufferInfo) {
 162   Buffer *buff = 0;
 163   if(instance()->_buffers.contains(bufferInfo.bufferId()))
 164     buff = instance()->_buffers[bufferInfo.bufferId()];
 165
 166   if(!buff) {
 167     Client *client = Client::instance();
 168     buff = new Buffer(bufferInfo, client);
 169     connect(buff, SIGNAL(destroyed()), client, SLOT(bufferDestroyed()));
 170     client->_buffers[bufferInfo.bufferId()] = buff;
 171     if(bufferInfo.type() == BufferInfo::StatusBuffer)
 172       client->_statusBuffers[bufferInfo.networkId()] = buff;
 173
 174     emit client->bufferUpdated(bufferInfo);
 175
 176     // I don't like this: but currently there isn't really a prettier way:
 177     if(isSynced()) {  // this slows down syncing a lot, so disable it during sync
 178       QModelIndex bufferIdx = networkModel()->bufferIndex(bufferInfo.bufferId());
 179       bufferModel()->setCurrentIndex(bufferModel()->mapFromSource(bufferIdx));
 180     }
 181   }
 182   Q_ASSERT(buff);
 183   return buff;
 184 }
 185
 186 bool Client::isConnected() {
 187   return instance()->_connectedToCore;
 188 }
 189
 190 bool Client::isSynced() {
 191   return instance()->_syncedToCore;
 192 }
 193
 194 /*** Network handling ***/
 195
 196 QList<NetworkId> Client::networkIds() {
 197   return instance()->_networks.keys();
 198 }
 199
 200 const Network * Client::network(NetworkId networkid) {
 201   if(instance()->_networks.contains(networkid)) return instance()->_networks[networkid];
 202   else return 0;
 203 }
 204
 205 void Client::createNetwork(const NetworkInfo &info) {
 206   emit instance()->requestCreateNetwork(info);
 207 }
 208
 209 void Client::removeNetwork(NetworkId id) {
 210   emit instance()->requestRemoveNetwork(id);
 211 }
 212
 213 void Client::updateNetwork(const NetworkInfo &info) {
 214   Network *netptr = instance()->_networks.value(info.networkId, 0);
 215   if(!netptr) {
 216     qWarning() << "Update for unknown network requested:" << info;
 217     return;
 218   }
 219   netptr->requestSetNetworkInfo(info);
 220 }
 221
 222 void Client::addNetwork(Network *net) {
 223   net->setProxy(signalProxy());
 224   signalProxy()->synchronize(net);
 225   networkModel()->attachNetwork(net);
 226   connect(net, SIGNAL(destroyed()), instance(), SLOT(networkDestroyed()));
 227   instance()->_networks[net->networkId()] = net;
 228   emit instance()->networkCreated(net->networkId());
 229 }
 230
 231 void Client::coreNetworkCreated(NetworkId id) {
 232   if(_networks.contains(id)) {
 233     qWarning() << "Creation of already existing network requested!";
 234     return;
 235   }
 236   Network *net = new Network(id, this);
 237   addNetwork(net);
 238 }
 239
 240 void Client::coreNetworkRemoved(NetworkId id) {
 241   if(!_networks.contains(id))
 242     return;
 243   Network *net = _networks.take(id);
 244   emit networkRemoved(net->networkId());
 245   net->deleteLater();
 246 }
 247
 248 /*** Identity handling ***/
 249
 250 QList<IdentityId> Client::identityIds() {
 251   return instance()->_identities.keys();
 252 }
 253
 254 const Identity * Client::identity(IdentityId id) {
 255   if(instance()->_identities.contains(id)) return instance()->_identities[id];
 256   else return 0;
 257 }
 258
 259 void Client::createIdentity(const Identity &id) {
 260   emit instance()->requestCreateIdentity(id);
 261 }
 262
 263 void Client::updateIdentity(IdentityId id, const QVariantMap &ser) {
 264   Identity *idptr = instance()->_identities.value(id, 0);
 265   if(!idptr) {
 266     qWarning() << "Update for unknown identity requested:" << id;
 267     return;
 268   }
 269   idptr->requestUpdate(ser);
 270 }
 271
 272 void Client::removeIdentity(IdentityId id) {
 273   emit instance()->requestRemoveIdentity(id);
 274 }
 275
 276 void Client::coreIdentityCreated(const Identity &other) {
 277   if(!_identities.contains(other.id())) {
 278     Identity *identity = new Identity(other, this);
 279     _identities[other.id()] = identity;
 280     identity->setInitialized();
 281     signalProxy()->synchronize(identity);
 282     emit identityCreated(other.id());
 283   } else {
 284     qWarning() << tr("Identity already exists in client!");
 285   }
 286 }
 287
 288 void Client::coreIdentityRemoved(IdentityId id) {
 289   if(_identities.contains(id)) {
 290     emit identityRemoved(id);
 291     Identity *i = _identities.take(id);
 292     i->deleteLater();
 293   }
 294 }
 295
 296 /***  ***/
 297 void Client::userInput(BufferInfo bufferInfo, QString message) {
 298   emit instance()->sendInput(bufferInfo, message);
 299 }
 300
 301 /*** core connection stuff ***/
 302
 303 void Client::setConnectedToCore(QIODevice *sock, AccountId id) {
 304   socket = sock;
 305   signalProxy()->addPeer(socket);
 306   _connectedToCore = true;
 307   setCurrentCoreAccount(id);
 308 }
 309
 310 void Client::setSyncedToCore() {
 311   // create buffersyncer
 312   Q_ASSERT(!_bufferSyncer);
 313   _bufferSyncer = new BufferSyncer(this);
 314   connect(bufferSyncer(), SIGNAL(lastSeenMsgSet(BufferId, MsgId)), _networkModel, SLOT(setLastSeenMsgId(BufferId, MsgId)));
 315   connect(bufferSyncer(), SIGNAL(bufferRemoved(BufferId)), this, SLOT(bufferRemoved(BufferId)));
 316   connect(bufferSyncer(), SIGNAL(bufferRenamed(BufferId, QString)), this, SLOT(bufferRenamed(BufferId, QString)));
 317   signalProxy()->synchronize(bufferSyncer());
 318
 319   // attach backlog manager
 320   signalProxy()->synchronize(backlogManager());
 321
 322   // create a new BufferViewManager
 323   _bufferViewManager = new BufferViewManager(signalProxy(), this);
 324
 325   _syncedToCore = true;
 326   emit connected();
 327   emit coreConnectionStateChanged(true);
 328 }
 329
 330 void Client::setSecuredConnection() {
 331   emit securedConnection();
 332 }
 333
 334 void Client::disconnectFromCore() {
 335   if(!isConnected())
 336     return;
 337   _connectedToCore = false;
 338
 339   if(socket) {
 340     socket->close();
 341     socket->deleteLater();
 342   }
 343   _syncedToCore = false;
 344   emit disconnected();
 345   emit coreConnectionStateChanged(false);
 346
 347   messageProcessor()->reset();
 348
 349   // Clear internal data. Hopefully nothing relies on it at this point.
 350   setCurrentCoreAccount(0);
 351
 352   if(_bufferSyncer) {
 353     _bufferSyncer->deleteLater();
 354     _bufferSyncer = 0;
 355   }
 356
 357   if(_bufferViewManager) {
 358     _bufferViewManager->deleteLater();
 359     _bufferViewManager = 0;
 360   }
 361
 362   _messageModel->clear();
 363   _networkModel->clear();
 364
 365   QHash<BufferId, Buffer *>::iterator bufferIter =  _buffers.begin();
 366   while(bufferIter != _buffers.end()) {
 367     Buffer *buffer = bufferIter.value();
 368     disconnect(buffer, SIGNAL(destroyed()), this, 0);
 369     bufferIter = _buffers.erase(bufferIter);
 370     buffer->deleteLater();
 371   }
 372   Q_ASSERT(_buffers.isEmpty());
 373
 374   _statusBuffers.clear();
 375
 376   QHash<NetworkId, Network*>::iterator netIter = _networks.begin();
 377   while(netIter != _networks.end()) {
 378     Network *net = netIter.value();
 379     emit networkRemoved(net->networkId());
 380     disconnect(net, SIGNAL(destroyed()), this, 0);
 381     netIter = _networks.erase(netIter);
 382     net->deleteLater();
 383   }
 384   Q_ASSERT(_networks.isEmpty());
 385
 386   QHash<IdentityId, Identity*>::iterator idIter = _identities.begin();
 387   while(idIter != _identities.end()) {
 388     Identity *id = idIter.value();
 389     emit identityRemoved(id->id());
 390     idIter = _identities.erase(idIter);
 391     id->deleteLater();
 392   }
 393   Q_ASSERT(_identities.isEmpty());
 394
 395 }
 396
 397 void Client::setCoreConfiguration(const QVariantMap &settings) {
 398   SignalProxy::writeDataToDevice(socket, settings);
 399 }
 400
 401 /*** ***/
 402
 403 void Client::updateBufferInfo(BufferInfo id) {
 404   emit bufferUpdated(id);
 405 }
 406
 407 void Client::bufferDestroyed() {
 408   Buffer *buffer = static_cast<Buffer *>(sender());
 409   QHash<BufferId, Buffer *>::iterator iter = _buffers.begin();
 410   while(iter != _buffers.end()) {
 411     if(iter.value() == buffer) {
 412       iter = _buffers.erase(iter);
 413       break;
 414     }
 415     iter++;
 416   }
 417
 418   QHash<NetworkId, Buffer *>::iterator statusIter = _statusBuffers.begin();
 419   while(statusIter != _statusBuffers.end()) {
 420     if(statusIter.value() == buffer) {
 421       statusIter = _statusBuffers.erase(statusIter);
 422       break;
 423     }
 424     statusIter++;
 425   }
 426 }
 427
 428 void Client::networkDestroyed() {
 429   Network *net = static_cast<Network *>(sender());
 430   QHash<NetworkId, Network *>::iterator netIter = _networks.begin();
 431   while(netIter != _networks.end()) {
 432     if(*netIter == net) {
 433       netIter = _networks.erase(netIter);
 434       break;
 435     } else {
 436       netIter++;
 437     }
 438   }
 439 }
 440
 441 // Hmm... we never used this...
 442 void Client::recvStatusMsg(QString /*net*/, QString /*msg*/) {
 443   //recvMessage(net, Message::server("", QString("[STATUS] %1").arg(msg)));
 444 }
 445
 446 void Client::recvMessage(const Message &msg_) {
 447   Message msg = msg_;
 448   messageProcessor()->process(msg);
 449 }
 450
 451 void Client::receiveBacklog(BufferId bufferId, const QVariantList &msgs) {
 452   if(msgs.isEmpty()) return;
 453   //QTime start = QTime::currentTime();
 454   QList<Message> msglist;
 455   foreach(QVariant v, msgs) {
 456     Message msg = v.value<Message>();
 457     msg.setFlags(msg.flags() | Message::Backlog);
 458     msglist << msg;
 459   }
 460   messageProcessor()->process(msglist);
 461   //qDebug() << "processed" << msgs.count() << "backlog lines in" << start.msecsTo(QTime::currentTime());
 462 }
 463
 464 void Client::setBufferLastSeenMsg(BufferId id, const MsgId &msgId) {
 465   if(!bufferSyncer())
 466     return;
 467   bufferSyncer()->requestSetLastSeenMsg(id, msgId);
 468 }
 469
 470 void Client::removeBuffer(BufferId id) {
 471   if(!bufferSyncer()) return;
 472   bufferSyncer()->requestRemoveBuffer(id);
 473 }
 474
 475 void Client::bufferRemoved(BufferId bufferId) {
 476   // first remove the buffer from hash. this prohibits further lastSeenUpdates
 477   Buffer *buff = 0;
 478   if(_buffers.contains(bufferId)) {
 479     buff = _buffers.take(bufferId);
 480     disconnect(buff, 0, this, 0);
 481   }
 482
 483   // then we select a sane buffer (status buffer)
 484   /* we have to manually select a buffer because otherwise inconsitent changes
 485    * to the model might occur:
 486    * the result of a buffer removal triggers a change in the selection model.
 487    * the newly selected buffer might be a channel that hasn't been selected yet
 488    * and a new nickview would be created (which never heard of the "rowsAboutToBeRemoved").
 489    * this new view (and/or) its sort filter will then only receive a "rowsRemoved" signal.
 490    */
 491   QModelIndex current = bufferModel()->currentIndex();
 492   if(current.data(NetworkModel::BufferIdRole).value<BufferId>() == bufferId) {
 493     bufferModel()->setCurrentIndex(current.sibling(0,0));
 494   }
 495
 496   // and remove it from the model
 497   networkModel()->removeBuffer(bufferId);
 498
 499   if(buff)
 500     buff->deleteLater();
 501 }
 502
 503 void Client::bufferRenamed(BufferId bufferId, const QString &newName) {
 504   QModelIndex bufferIndex = networkModel()->bufferIndex(bufferId);
 505   if(bufferIndex.isValid()) {
 506     networkModel()->setData(bufferIndex, newName, Qt::DisplayRole);
 507   }
 508 }