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