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