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 "identity.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 "quasselui.h"
  39 #include "signalproxy.h"
  40 #include "util.h"
  41
  42 QPointer<Client> Client::instanceptr = 0;
  43 AccountId Client::_currentCoreAccount = 0;
  44
  45 /*** Initialization/destruction ***/
  46
  47 Client *Client::instance() {
  48   if(!instanceptr)
  49     instanceptr = new Client();
  50   return instanceptr;
  51 }
  52
  53 void Client::destroy() {
  54   if(instanceptr) {
  55     delete instanceptr->mainUi;
  56     instanceptr->deleteLater();
  57     instanceptr = 0;
  58   }
  59 }
  60
  61 void Client::init(AbstractUi *ui) {
  62   instance()->mainUi = ui;
  63   instance()->init();
  64 }
  65
  66 Client::Client(QObject *parent)
  67   : QObject(parent),
  68     _signalProxy(new SignalProxy(SignalProxy::Client, this)),
  69     mainUi(0),
  70     _networkModel(0),
  71     _bufferModel(0),
  72     _bufferSyncer(0),
  73     _backlogManager(new ClientBacklogManager(this)),
  74     _bufferViewManager(0),
  75     _ircListHelper(new ClientIrcListHelper(this)),
  76     _messageModel(0),
  77     _messageProcessor(0),
  78     _connectedToCore(false),
  79     _syncedToCore(false)
  80 {
  81   _signalProxy->synchronize(_ircListHelper);
  82 }
  83
  84 Client::~Client() {
  85   disconnectFromCore();
  86 }
  87
  88 void Client::init() {
  89   _currentCoreAccount = 0;
  90   _networkModel = new NetworkModel(this);
  91
  92   connect(this, SIGNAL(networkRemoved(NetworkId)),
  93           _networkModel, SLOT(networkRemoved(NetworkId)));
  94
  95   _bufferModel = new BufferModel(_networkModel);
  96   _messageModel = mainUi->createMessageModel(this);
  97   _messageProcessor = mainUi->createMessageProcessor(this);
  98
  99   SignalProxy *p = signalProxy();
 100
 101   p->attachSlot(SIGNAL(displayMsg(const Message &)), this, SLOT(recvMessage(const Message &)));
 102   p->attachSlot(SIGNAL(displayStatusMsg(QString, QString)), this, SLOT(recvStatusMsg(QString, QString)));
 103
 104   p->attachSlot(SIGNAL(bufferInfoUpdated(BufferInfo)), _networkModel, SLOT(bufferUpdated(BufferInfo)));
 105   p->attachSignal(this, SIGNAL(sendInput(BufferInfo, QString)));
 106   p->attachSignal(this, SIGNAL(requestNetworkStates()));
 107
 108   p->attachSignal(this, SIGNAL(requestCreateIdentity(const Identity &)), SIGNAL(createIdentity(const Identity &)));
 109   p->attachSignal(this, SIGNAL(requestRemoveIdentity(IdentityId)), SIGNAL(removeIdentity(IdentityId)));
 110   p->attachSlot(SIGNAL(identityCreated(const Identity &)), this, SLOT(coreIdentityCreated(const Identity &)));
 111   p->attachSlot(SIGNAL(identityRemoved(IdentityId)), this, SLOT(coreIdentityRemoved(IdentityId)));
 112
 113   p->attachSignal(this, SIGNAL(requestCreateNetwork(const NetworkInfo &)), SIGNAL(createNetwork(const NetworkInfo &)));
 114   p->attachSignal(this, SIGNAL(requestRemoveNetwork(NetworkId)), SIGNAL(removeNetwork(NetworkId)));
 115   p->attachSlot(SIGNAL(networkCreated(NetworkId)), this, SLOT(coreNetworkCreated(NetworkId)));
 116   p->attachSlot(SIGNAL(networkRemoved(NetworkId)), this, SLOT(coreNetworkRemoved(NetworkId)));
 117
 118   connect(p, SIGNAL(disconnected()), this, SLOT(disconnectedFromCore()));
 119
 120   //connect(mainUi, SIGNAL(connectToCore(const QVariantMap &)), this, SLOT(connectToCore(const QVariantMap &)));
 121   connect(mainUi, SIGNAL(disconnectFromCore()), this, SLOT(disconnectFromCore()));
 122   connect(this, SIGNAL(connected()), mainUi, SLOT(connectedToCore()));
 123   connect(this, SIGNAL(disconnected()), mainUi, SLOT(disconnectedFromCore()));
 124
 125   // attach backlog manager
 126   p->synchronize(backlogManager());
 127   connect(backlogManager(), SIGNAL(messagesReceived(BufferId, int)), _messageModel, SLOT(messagesReceived(BufferId, int)));
 128 }
 129
 130 /*** public static methods ***/
 131
 132 AccountId Client::currentCoreAccount() {
 133   return _currentCoreAccount;
 134 }
 135
 136 void Client::setCurrentCoreAccount(AccountId id) {
 137   _currentCoreAccount = id;
 138 }
 139
 140 bool Client::isConnected() {
 141   return instance()->_connectedToCore;
 142 }
 143
 144 bool Client::isSynced() {
 145   return instance()->_syncedToCore;
 146 }
 147
 148 /*** Network handling ***/
 149
 150 QList<NetworkId> Client::networkIds() {
 151   return instance()->_networks.keys();
 152 }
 153
 154 const Network * Client::network(NetworkId networkid) {
 155   if(instance()->_networks.contains(networkid)) return instance()->_networks[networkid];
 156   else return 0;
 157 }
 158
 159 void Client::createNetwork(const NetworkInfo &info) {
 160   emit instance()->requestCreateNetwork(info);
 161 }
 162
 163 void Client::removeNetwork(NetworkId id) {
 164   emit instance()->requestRemoveNetwork(id);
 165 }
 166
 167 void Client::updateNetwork(const NetworkInfo &info) {
 168   Network *netptr = instance()->_networks.value(info.networkId, 0);
 169   if(!netptr) {
 170     qWarning() << "Update for unknown network requested:" << info;
 171     return;
 172   }
 173   netptr->requestSetNetworkInfo(info);
 174 }
 175
 176 void Client::addNetwork(Network *net) {
 177   net->setProxy(signalProxy());
 178   signalProxy()->synchronize(net);
 179   networkModel()->attachNetwork(net);
 180   connect(net, SIGNAL(destroyed()), instance(), SLOT(networkDestroyed()));
 181   instance()->_networks[net->networkId()] = net;
 182   emit instance()->networkCreated(net->networkId());
 183 }
 184
 185 void Client::coreNetworkCreated(NetworkId id) {
 186   if(_networks.contains(id)) {
 187     qWarning() << "Creation of already existing network requested!";
 188     return;
 189   }
 190   Network *net = new Network(id, this);
 191   addNetwork(net);
 192 }
 193
 194 void Client::coreNetworkRemoved(NetworkId id) {
 195   if(!_networks.contains(id))
 196     return;
 197   Network *net = _networks.take(id);
 198   emit networkRemoved(net->networkId());
 199   net->deleteLater();
 200 }
 201
 202 /*** Identity handling ***/
 203
 204 QList<IdentityId> Client::identityIds() {
 205   return instance()->_identities.keys();
 206 }
 207
 208 const Identity * Client::identity(IdentityId id) {
 209   if(instance()->_identities.contains(id)) return instance()->_identities[id];
 210   else return 0;
 211 }
 212
 213 void Client::createIdentity(const Identity &id) {
 214   emit instance()->requestCreateIdentity(id);
 215 }
 216
 217 void Client::updateIdentity(IdentityId id, const QVariantMap &ser) {
 218   Identity *idptr = instance()->_identities.value(id, 0);
 219   if(!idptr) {
 220     qWarning() << "Update for unknown identity requested:" << id;
 221     return;
 222   }
 223   idptr->requestUpdate(ser);
 224 }
 225
 226 void Client::removeIdentity(IdentityId id) {
 227   emit instance()->requestRemoveIdentity(id);
 228 }
 229
 230 void Client::coreIdentityCreated(const Identity &other) {
 231   if(!_identities.contains(other.id())) {
 232     Identity *identity = new Identity(other, this);
 233     _identities[other.id()] = identity;
 234     identity->setInitialized();
 235     signalProxy()->synchronize(identity);
 236     emit identityCreated(other.id());
 237   } else {
 238     qWarning() << tr("Identity already exists in client!");
 239   }
 240 }
 241
 242 void Client::coreIdentityRemoved(IdentityId id) {
 243   if(_identities.contains(id)) {
 244     emit identityRemoved(id);
 245     Identity *i = _identities.take(id);
 246     i->deleteLater();
 247   }
 248 }
 249
 250 /***  ***/
 251 void Client::userInput(BufferInfo bufferInfo, QString message) {
 252   emit instance()->sendInput(bufferInfo, message);
 253 }
 254
 255 /*** core connection stuff ***/
 256
 257 void Client::setConnectedToCore(QIODevice *socket, AccountId id) {
 258   // if the socket is an orphan, the signalProxy adopts it.
 259   // -> we don't need to care about it anymore
 260   socket->setParent(0);
 261   signalProxy()->addPeer(socket);
 262   _connectedToCore = true;
 263   setCurrentCoreAccount(id);
 264 }
 265
 266 void Client::setConnectedToInternalCore() {
 267   _connectedToCore = true;
 268   setCurrentCoreAccount(AccountId());
 269 }
 270
 271 void Client::setSyncedToCore() {
 272   // create buffersyncer
 273   Q_ASSERT(!_bufferSyncer);
 274   _bufferSyncer = new BufferSyncer(this);
 275   connect(bufferSyncer(), SIGNAL(lastSeenMsgSet(BufferId, MsgId)), _networkModel, SLOT(setLastSeenMsgId(BufferId, MsgId)));
 276   connect(bufferSyncer(), SIGNAL(bufferRemoved(BufferId)), this, SLOT(bufferRemoved(BufferId)));
 277   connect(bufferSyncer(), SIGNAL(bufferRenamed(BufferId, QString)), this, SLOT(bufferRenamed(BufferId, QString)));
 278   signalProxy()->synchronize(bufferSyncer());
 279
 280   // create a new BufferViewManager
 281   _bufferViewManager = new BufferViewManager(signalProxy(), this);
 282
 283   _syncedToCore = true;
 284   emit connected();
 285   emit coreConnectionStateChanged(true);
 286 }
 287
 288 void Client::setSecuredConnection() {
 289   emit securedConnection();
 290 }
 291
 292 void Client::disconnectFromCore() {
 293   if(!isConnected())
 294     return;
 295
 296   signalProxy()->removeAllPeers();
 297 }
 298
 299 void Client::disconnectedFromCore() {
 300   _connectedToCore = false;
 301   _syncedToCore = false;
 302   emit disconnected();
 303   emit coreConnectionStateChanged(false);
 304
 305   messageProcessor()->reset();
 306
 307   // Clear internal data. Hopefully nothing relies on it at this point.
 308   setCurrentCoreAccount(0);
 309
 310   if(_bufferSyncer) {
 311     _bufferSyncer->deleteLater();
 312     _bufferSyncer = 0;
 313   }
 314
 315   if(_bufferViewManager) {
 316     _bufferViewManager->deleteLater();
 317     _bufferViewManager = 0;
 318   }
 319
 320   _messageModel->clear();
 321   _networkModel->clear();
 322
 323   QHash<NetworkId, Network*>::iterator netIter = _networks.begin();
 324   while(netIter != _networks.end()) {
 325     Network *net = netIter.value();
 326     emit networkRemoved(net->networkId());
 327     disconnect(net, SIGNAL(destroyed()), this, 0);
 328     netIter = _networks.erase(netIter);
 329     net->deleteLater();
 330   }
 331   Q_ASSERT(_networks.isEmpty());
 332
 333   QHash<IdentityId, Identity*>::iterator idIter = _identities.begin();
 334   while(idIter != _identities.end()) {
 335     Identity *id = idIter.value();
 336     emit identityRemoved(id->id());
 337     idIter = _identities.erase(idIter);
 338     id->deleteLater();
 339   }
 340   Q_ASSERT(_identities.isEmpty());
 341
 342 }
 343
 344 /*** ***/
 345
 346 void Client::networkDestroyed() {
 347   Network *net = static_cast<Network *>(sender());
 348   QHash<NetworkId, Network *>::iterator netIter = _networks.begin();
 349   while(netIter != _networks.end()) {
 350     if(*netIter == net) {
 351       netIter = _networks.erase(netIter);
 352       break;
 353     } else {
 354       netIter++;
 355     }
 356   }
 357 }
 358
 359 // Hmm... we never used this...
 360 void Client::recvStatusMsg(QString /*net*/, QString /*msg*/) {
 361   //recvMessage(net, Message::server("", QString("[STATUS] %1").arg(msg)));
 362 }
 363
 364 void Client::recvMessage(const Message &msg_) {
 365   Message msg = msg_;
 366   messageProcessor()->process(msg);
 367 }
 368
 369 void Client::setBufferLastSeenMsg(BufferId id, const MsgId &msgId) {
 370   if(!bufferSyncer())
 371     return;
 372   bufferSyncer()->requestSetLastSeenMsg(id, msgId);
 373 }
 374
 375 void Client::removeBuffer(BufferId id) {
 376   if(!bufferSyncer()) return;
 377   bufferSyncer()->requestRemoveBuffer(id);
 378 }
 379
 380 void Client::bufferRemoved(BufferId bufferId) {
 381   // select a sane buffer (status buffer)
 382   /* we have to manually select a buffer because otherwise inconsitent changes
 383    * to the model might occur:
 384    * the result of a buffer removal triggers a change in the selection model.
 385    * the newly selected buffer might be a channel that hasn't been selected yet
 386    * and a new nickview would be created (which never heard of the "rowsAboutToBeRemoved").
 387    * this new view (and/or) its sort filter will then only receive a "rowsRemoved" signal.
 388    */
 389   QModelIndex current = bufferModel()->currentIndex();
 390   if(current.data(NetworkModel::BufferIdRole).value<BufferId>() == bufferId) {
 391     bufferModel()->setCurrentIndex(current.sibling(0,0));
 392   }
 393
 394   // and remove it from the model
 395   networkModel()->removeBuffer(bufferId);
 396 }
 397
 398 void Client::bufferRenamed(BufferId bufferId, const QString &newName) {
 399   QModelIndex bufferIndex = networkModel()->bufferIndex(bufferId);
 400   if(bufferIndex.isValid()) {
 401     networkModel()->setData(bufferIndex, newName, Qt::DisplayRole);
 402   }
 403 }