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