src/client/networkmodel.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2016 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  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
  19  ***************************************************************************/
  20
  21 #include "networkmodel.h"
  22
  23 #include <QAbstractItemView>
  24 #include <QMimeData>
  25 #if QT_VERSION < 0x050000
  26 #include <QTextDocument>        // for Qt::escape()
  27 #endif
  28
  29 #include "buffermodel.h"
  30 #include "buffersettings.h"
  31 #include "client.h"
  32 #include "clientignorelistmanager.h"
  33 #include "clientsettings.h"
  34 #include "ircchannel.h"
  35 #include "network.h"
  36 #include "signalproxy.h"
  37
  38 /*****************************************
  39 *  Network Items
  40 *****************************************/
  41 NetworkItem::NetworkItem(const NetworkId &netid, AbstractTreeItem *parent)
  42     : PropertyMapItem(QList<QString>() << "networkName" << "currentServer" << "nickCount", parent),
  43     _networkId(netid),
  44     _statusBufferItem(0)
  45 {
  46     // DO NOT EMIT dataChanged() DIRECTLY IN NetworkItem
  47     // use networkDataChanged() instead. Otherwise you will end up in a infinite loop
  48     // as we "sync" the dataChanged() signals of NetworkItem and StatusBufferItem
  49     setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable);
  50     connect(this, SIGNAL(networkDataChanged(int)), this, SIGNAL(dataChanged(int)));
  51     connect(this, SIGNAL(beginRemoveChilds(int, int)), this, SLOT(onBeginRemoveChilds(int, int)));
  52 }
  53
  54
  55 QVariant NetworkItem::data(int column, int role) const
  56 {
  57     switch (role) {
  58     case NetworkModel::BufferIdRole:
  59     case NetworkModel::BufferInfoRole:
  60     case NetworkModel::BufferTypeRole:
  61     case NetworkModel::BufferActivityRole:
  62         if (_statusBufferItem)
  63             return _statusBufferItem->data(column, role);
  64         else
  65             return QVariant();
  66     case NetworkModel::NetworkIdRole:
  67         return qVariantFromValue(_networkId);
  68     case NetworkModel::ItemTypeRole:
  69         return NetworkModel::NetworkItemType;
  70     case NetworkModel::ItemActiveRole:
  71         return isActive();
  72     default:
  73         return PropertyMapItem::data(column, role);
  74     }
  75 }
  76
  77 QString NetworkItem::escapeHTML(const QString &string, bool useNonbreakingSpaces)
  78 {
  79     // QString.replace() doesn't guarantee the source string will remain constant.
  80     // Use a local variable to avoid compiler errors.
  81 #if QT_VERSION < 0x050000
  82     QString formattedString = Qt::escape(string);
  83 #else
  84     QString formattedString = string.toHtmlEscaped();
  85 #endif
  86     return (useNonbreakingSpaces ? formattedString.replace(" ", "&nbsp;") : formattedString);
  87 }
  88
  89
  90 // FIXME shouldn't we check the bufferItemCache here?
  91 BufferItem *NetworkItem::findBufferItem(BufferId bufferId)
  92 {
  93     BufferItem *bufferItem = 0;
  94
  95     for (int i = 0; i < childCount(); i++) {
  96         bufferItem = qobject_cast<BufferItem *>(child(i));
  97         if (!bufferItem)
  98             continue;
  99         if (bufferItem->bufferId() == bufferId)
 100             return bufferItem;
 101     }
 102     return 0;
 103 }
 104
 105
 106 BufferItem *NetworkItem::bufferItem(const BufferInfo &bufferInfo)
 107 {
 108     BufferItem *bufferItem = findBufferItem(bufferInfo);
 109     if (bufferItem)
 110         return bufferItem;
 111
 112     switch (bufferInfo.type()) {
 113     case BufferInfo::StatusBuffer:
 114         _statusBufferItem = new StatusBufferItem(bufferInfo, this);
 115         bufferItem = _statusBufferItem;
 116         disconnect(this, SIGNAL(networkDataChanged(int)), this, SIGNAL(dataChanged(int)));
 117         connect(this, SIGNAL(networkDataChanged(int)), bufferItem, SIGNAL(dataChanged(int)));
 118         connect(bufferItem, SIGNAL(dataChanged(int)), this, SIGNAL(dataChanged(int)));
 119         break;
 120     case BufferInfo::ChannelBuffer:
 121         bufferItem = new ChannelBufferItem(bufferInfo, this);
 122         break;
 123     case BufferInfo::QueryBuffer:
 124         bufferItem = new QueryBufferItem(bufferInfo, this);
 125         break;
 126     default:
 127         bufferItem = new BufferItem(bufferInfo, this);
 128     }
 129
 130     newChild(bufferItem);
 131
 132     // postprocess... this is necessary because Qt doesn't seem to like adding children which already have children on their own
 133     switch (bufferInfo.type()) {
 134     case BufferInfo::ChannelBuffer:
 135     {
 136         ChannelBufferItem *channelBufferItem = static_cast<ChannelBufferItem *>(bufferItem);
 137         if (_network) {
 138             IrcChannel *ircChannel = _network->ircChannel(bufferInfo.bufferName());
 139             if (ircChannel)
 140                 channelBufferItem->attachIrcChannel(ircChannel);
 141         }
 142     }
 143     break;
 144     default:
 145         break;
 146     }
 147
 148     return bufferItem;
 149 }
 150
 151
 152 void NetworkItem::attachNetwork(Network *network)
 153 {
 154     if (!network)
 155         return;
 156
 157     _network = network;
 158
 159     connect(network, SIGNAL(networkNameSet(QString)),
 160         this, SLOT(setNetworkName(QString)));
 161     connect(network, SIGNAL(currentServerSet(QString)),
 162         this, SLOT(setCurrentServer(QString)));
 163     connect(network, SIGNAL(ircChannelAdded(IrcChannel *)),
 164         this, SLOT(attachIrcChannel(IrcChannel *)));
 165     connect(network, SIGNAL(ircUserAdded(IrcUser *)),
 166         this, SLOT(attachIrcUser(IrcUser *)));
 167     connect(network, SIGNAL(connectedSet(bool)),
 168         this, SIGNAL(networkDataChanged()));
 169     connect(network, SIGNAL(destroyed()),
 170         this, SLOT(onNetworkDestroyed()));
 171
 172     emit networkDataChanged();
 173 }
 174
 175
 176 void NetworkItem::attachIrcChannel(IrcChannel *ircChannel)
 177 {
 178     ChannelBufferItem *channelItem;
 179     for (int i = 0; i < childCount(); i++) {
 180         channelItem = qobject_cast<ChannelBufferItem *>(child(i));
 181         if (!channelItem)
 182             continue;
 183
 184         if (channelItem->bufferName().toLower() == ircChannel->name().toLower()) {
 185             channelItem->attachIrcChannel(ircChannel);
 186             return;
 187         }
 188     }
 189 }
 190
 191
 192 void NetworkItem::attachIrcUser(IrcUser *ircUser)
 193 {
 194     QueryBufferItem *queryItem = 0;
 195     for (int i = 0; i < childCount(); i++) {
 196         queryItem = qobject_cast<QueryBufferItem *>(child(i));
 197         if (!queryItem)
 198             continue;
 199
 200         if (queryItem->bufferName().toLower() == ircUser->nick().toLower()) {
 201             queryItem->setIrcUser(ircUser);
 202             break;
 203         }
 204     }
 205 }
 206
 207
 208 void NetworkItem::setNetworkName(const QString &networkName)
 209 {
 210     Q_UNUSED(networkName);
 211     emit networkDataChanged(0);
 212 }
 213
 214
 215 void NetworkItem::setCurrentServer(const QString &serverName)
 216 {
 217     Q_UNUSED(serverName);
 218     emit networkDataChanged(1);
 219 }
 220
 221
 222 QString NetworkItem::toolTip(int column) const
 223 {
 224     Q_UNUSED(column);
 225     QString strTooltip;
 226     QTextStream tooltip( &strTooltip, QIODevice::WriteOnly );
 227     tooltip << "<qt><style>.bold { font-weight: bold; } .italic { font-style: italic; }</style>";
 228
 229     // Function to add a row to the tooltip table
 230     auto addRow = [&](const QString& key, const QString& value, bool condition) {
 231         if (condition) {
 232             tooltip << "<tr><td class='bold' align='right'>" << key << "</td><td>" << value << "</td></tr>";
 233         }
 234     };
 235
 236     tooltip << "<p class='bold' align='center'>" << NetworkItem::escapeHTML(networkName(), true) << "</p>";
 237     if (isActive()) {
 238         tooltip << "<table cellspacing='5' cellpadding='0'>";
 239         addRow(tr("Server"), NetworkItem::escapeHTML(currentServer(), true), !currentServer().isEmpty());
 240         addRow(tr("Users"), QString::number(nickCount()), true);
 241         if (_network)
 242             addRow(tr("Lag"), NetworkItem::escapeHTML(tr("%1 msecs").arg(_network->latency()), true), true);
 243
 244         tooltip << "</table>";
 245     } else {
 246         tooltip << "<p class='italic' align='center'>" << tr("Not connected") << "</p>";
 247     }
 248     tooltip << "</qt>";
 249     return strTooltip;
 250 }
 251
 252
 253 void NetworkItem::onBeginRemoveChilds(int start, int end)
 254 {
 255     for (int i = start; i <= end; i++) {
 256         StatusBufferItem *statusBufferItem = qobject_cast<StatusBufferItem *>(child(i));
 257         if (statusBufferItem) {
 258             _statusBufferItem = 0;
 259             break;
 260         }
 261     }
 262 }
 263
 264
 265 void NetworkItem::onNetworkDestroyed()
 266 {
 267     _network = 0;
 268     emit networkDataChanged();
 269     removeAllChilds();
 270 }
 271
 272
 273 /*****************************************
 274 *  Fancy Buffer Items
 275 *****************************************/
 276 BufferItem::BufferItem(const BufferInfo &bufferInfo, AbstractTreeItem *parent)
 277     : PropertyMapItem(QStringList() << "bufferName" << "topic" << "nickCount", parent),
 278     _bufferInfo(bufferInfo),
 279     _activity(BufferInfo::NoActivity)
 280 {
 281     setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsDragEnabled);
 282 }
 283
 284
 285 void BufferItem::setActivityLevel(BufferInfo::ActivityLevel level)
 286 {
 287     if (_activity != level) {
 288         _activity = level;
 289         emit dataChanged();
 290     }
 291 }
 292
 293
 294 void BufferItem::clearActivityLevel()
 295 {
 296     _activity = BufferInfo::NoActivity;
 297     _firstUnreadMsgId = MsgId();
 298
 299     // FIXME remove with core proto v11
 300     if (!(Client::coreFeatures() & Quassel::SynchronizedMarkerLine)) {
 301         _markerLineMsgId = _lastSeenMsgId;
 302     }
 303
 304     emit dataChanged();
 305 }
 306
 307
 308 void BufferItem::updateActivityLevel(const Message &msg)
 309 {
 310     if (Client::coreFeatures().testFlag(Quassel::Feature::BufferActivitySync)) {
 311         return;
 312     }
 313
 314     if (isCurrentBuffer()) {
 315         return;
 316     }
 317
 318     if (msg.flags() & Message::Self)    // don't update activity for our own messages
 319         return;
 320
 321     if (Client::ignoreListManager()
 322         && Client::ignoreListManager()->match(msg, qobject_cast<NetworkItem *>(parent())->networkName()))
 323         return;
 324
 325     if (msg.msgId() <= lastSeenMsgId())
 326         return;
 327
 328     bool stateChanged = false;
 329     if (!firstUnreadMsgId().isValid() || msg.msgId() < firstUnreadMsgId()) {
 330         stateChanged = true;
 331         _firstUnreadMsgId = msg.msgId();
 332     }
 333
 334     if (addActivity(Message::Types(msg.type()), msg.flags().testFlag(Message::Highlight)) || stateChanged) {
 335         emit dataChanged();
 336     }
 337 }
 338
 339 void BufferItem::setActivity(Message::Types type, bool highlight) {
 340     BufferInfo::ActivityLevel oldLevel = activityLevel();
 341
 342     _activity = BufferInfo::Activity();
 343     addActivity(type, highlight);
 344
 345     if (_activity != oldLevel) {
 346         emit dataChanged();
 347     }
 348 }
 349
 350 bool BufferItem::addActivity(Message::Types type, bool highlight) {
 351     auto oldActivity = activityLevel();
 352
 353     if (type != 0)
 354         _activity |= BufferInfo::OtherActivity;
 355
 356     if (type.testFlag(Message::Plain) || type.testFlag(Message::Notice) || type.testFlag(Message::Action))
 357         _activity |= BufferInfo::NewMessage;
 358
 359     if (highlight)
 360         _activity |= BufferInfo::Highlight;
 361
 362     return oldActivity != _activity;
 363 }
 364
 365
 366 QVariant BufferItem::data(int column, int role) const
 367 {
 368     switch (role) {
 369     case NetworkModel::ItemTypeRole:
 370         return NetworkModel::BufferItemType;
 371     case NetworkModel::BufferIdRole:
 372         return qVariantFromValue(bufferInfo().bufferId());
 373     case NetworkModel::NetworkIdRole:
 374         return qVariantFromValue(bufferInfo().networkId());
 375     case NetworkModel::BufferInfoRole:
 376         return qVariantFromValue(bufferInfo());
 377     case NetworkModel::BufferTypeRole:
 378         return int(bufferType());
 379     case NetworkModel::ItemActiveRole:
 380         return isActive();
 381     case NetworkModel::BufferActivityRole:
 382         return (int)activityLevel();
 383     case NetworkModel::BufferFirstUnreadMsgIdRole:
 384         return qVariantFromValue(firstUnreadMsgId());
 385     case NetworkModel::MarkerLineMsgIdRole:
 386         return qVariantFromValue(markerLineMsgId());
 387     default:
 388         return PropertyMapItem::data(column, role);
 389     }
 390 }
 391
 392
 393 bool BufferItem::setData(int column, const QVariant &value, int role)
 394 {
 395     switch (role) {
 396     case NetworkModel::BufferActivityRole:
 397         setActivityLevel((BufferInfo::ActivityLevel)value.toInt());
 398         return true;
 399     default:
 400         return PropertyMapItem::setData(column, value, role);
 401     }
 402     return true;
 403 }
 404
 405
 406 void BufferItem::setBufferName(const QString &name)
 407 {
 408     _bufferInfo = BufferInfo(_bufferInfo.bufferId(), _bufferInfo.networkId(), _bufferInfo.type(), _bufferInfo.groupId(), name);
 409     emit dataChanged(0);
 410 }
 411
 412
 413 void BufferItem::setLastSeenMsgId(MsgId msgId)
 414 {
 415     _lastSeenMsgId = msgId;
 416
 417     // FIXME remove with core protocol v11
 418     if (!(Client::coreFeatures() & Quassel::SynchronizedMarkerLine)) {
 419         if (!isCurrentBuffer())
 420             _markerLineMsgId = msgId;
 421     }
 422
 423     setActivityLevel(BufferInfo::NoActivity);
 424 }
 425
 426
 427 void BufferItem::setMarkerLineMsgId(MsgId msgId)
 428 {
 429     _markerLineMsgId = msgId;
 430     emit dataChanged();
 431 }
 432
 433
 434 bool BufferItem::isCurrentBuffer() const
 435 {
 436     return _bufferInfo.bufferId() == Client::bufferModel()->currentIndex().data(NetworkModel::BufferIdRole).value<BufferId>();
 437 }
 438
 439
 440 QString BufferItem::toolTip(int column) const
 441 {
 442     Q_UNUSED(column);
 443     return tr("<p> %1 - %2 </p>").arg(bufferInfo().bufferId().toInt()).arg(bufferName());
 444 }
 445
 446
 447 /*****************************************
 448 *  StatusBufferItem
 449 *****************************************/
 450 StatusBufferItem::StatusBufferItem(const BufferInfo &bufferInfo, NetworkItem *parent)
 451     : BufferItem(bufferInfo, parent)
 452 {
 453 }
 454
 455
 456 QString StatusBufferItem::toolTip(int column) const
 457 {
 458     NetworkItem *networkItem = qobject_cast<NetworkItem *>(parent());
 459     if (networkItem)
 460         return networkItem->toolTip(column);
 461     else
 462         return QString();
 463 }
 464
 465
 466 /*****************************************
 467 *  QueryBufferItem
 468 *****************************************/
 469 QueryBufferItem::QueryBufferItem(const BufferInfo &bufferInfo, NetworkItem *parent)
 470     : BufferItem(bufferInfo, parent),
 471     _ircUser(0)
 472 {
 473     setFlags(flags() | Qt::ItemIsDropEnabled | Qt::ItemIsEditable);
 474
 475     const Network *net = Client::network(bufferInfo.networkId());
 476     if (!net)
 477         return;
 478
 479     IrcUser *ircUser = net->ircUser(bufferInfo.bufferName());
 480     setIrcUser(ircUser);
 481 }
 482
 483
 484 QVariant QueryBufferItem::data(int column, int role) const
 485 {
 486     switch (role) {
 487     case Qt::EditRole:
 488         return BufferItem::data(column, Qt::DisplayRole);
 489     case NetworkModel::IrcUserRole:
 490         return QVariant::fromValue<QObject *>(_ircUser);
 491     case NetworkModel::UserAwayRole:
 492         return (bool)_ircUser ? _ircUser->isAway() : false;
 493     default:
 494         return BufferItem::data(column, role);
 495     }
 496 }
 497
 498
 499 bool QueryBufferItem::setData(int column, const QVariant &value, int role)
 500 {
 501     if (column != 0)
 502         return BufferItem::setData(column, value, role);
 503
 504     switch (role) {
 505     case Qt::EditRole:
 506     {
 507         QString newName = value.toString();
 508
 509         // Sanity check - buffer names must not contain newlines!
 510         int nlpos = newName.indexOf('\n');
 511         if (nlpos >= 0)
 512             newName = newName.left(nlpos);
 513
 514         if (!newName.isEmpty()) {
 515             Client::renameBuffer(bufferId(), newName);
 516             return true;
 517         }
 518         else {
 519             return false;
 520         }
 521     }
 522     break;
 523     default:
 524         return BufferItem::setData(column, value, role);
 525     }
 526 }
 527
 528
 529 void QueryBufferItem::setBufferName(const QString &name)
 530 {
 531     BufferItem::setBufferName(name);
 532     NetworkId netId = data(0, NetworkModel::NetworkIdRole).value<NetworkId>();
 533     const Network *net = Client::network(netId);
 534     if (net)
 535         setIrcUser(net->ircUser(name));
 536 }
 537
 538
 539 QString QueryBufferItem::toolTip(int column) const
 540 {
 541     // pretty much code duplication of IrcUserItem::toolTip() but inheritance won't solve this...
 542     Q_UNUSED(column);
 543     QString strTooltip;
 544     QTextStream tooltip( &strTooltip, QIODevice::WriteOnly );
 545     tooltip << "<qt><style>.bold { font-weight: bold; } .italic { font-style: italic; }</style>";
 546
 547     // Keep track of whether or not information has been added
 548     bool infoAdded = false;
 549
 550     // Use bufferName() for QueryBufferItem, nickName() for IrcUserItem
 551     tooltip << "<p class='bold' align='center'>";
 552     tooltip << tr("Query with %1").arg(NetworkItem::escapeHTML(bufferName(), true));
 553     if (!_ircUser) {
 554         // User seems to be offline, let the no information message be added below
 555         tooltip << "</p>";
 556     } else {
 557         // Function to add a row to the tooltip table
 558         auto addRow = [&](const QString& key, const QString& value, bool condition) {
 559             if (condition) {
 560                 tooltip << "<tr><td class='bold' align='right'>" << key << "</td><td>" << value << "</td></tr>";
 561                 infoAdded = true;
 562             }
 563         };
 564
 565         // User information is available
 566         if (_ircUser->userModes() != "") {
 567             //TODO Translate user Modes and add them to the table below and in IrcUserItem::toolTip
 568             tooltip << " (" << _ircUser->userModes() << ")";
 569         }
 570         tooltip << "</p>";
 571
 572         tooltip << "<table cellspacing='5' cellpadding='0'>";
 573         if (_ircUser->isAway()) {
 574             QString awayMessageHTML = QString("<p class='italic'>%1</p>").arg(tr("Unknown"));
 575
 576             // If away message is known, replace with the escaped message.
 577             if (!_ircUser->awayMessage().isEmpty()) {
 578                 awayMessageHTML = NetworkItem::escapeHTML(_ircUser->awayMessage());
 579             }
 580             addRow(NetworkItem::escapeHTML(tr("Away message"), true), awayMessageHTML, true);
 581         }
 582         addRow(tr("Realname"),
 583                NetworkItem::escapeHTML(_ircUser->realName()),
 584                !_ircUser->realName().isEmpty());
 585         // suserHost may return "<nick> is available for help", which should be translated.
 586         // See https://www.alien.net.au/irc/irc2numerics.html
 587         if(_ircUser->suserHost().endsWith("available for help")) {
 588             addRow(NetworkItem::escapeHTML(tr("Help status"), true),
 589                    NetworkItem::escapeHTML(tr("Available for help")),
 590                    true);
 591         } else {
 592             addRow(NetworkItem::escapeHTML(tr("Service status"), true),
 593                    NetworkItem::escapeHTML(_ircUser->suserHost()),
 594                    !_ircUser->suserHost().isEmpty());
 595         }
 596
 597         // Keep track of whether or not the account information's been added.  Don't show it twice.
 598         bool accountAdded = false;
 599         if(!_ircUser->account().isEmpty()) {
 600             // IRCv3 account-notify is supported by the core and IRC server.
 601             // Assume logged out (seems to be more common)
 602             QString accountHTML = QString("<p class='italic'>%1</p>").arg(tr("Not logged in"));
 603
 604             // If account is logged in, replace with the escaped account name.
 605             if (_ircUser->account() != "*") {
 606                 accountHTML = NetworkItem::escapeHTML(_ircUser->account());
 607             }
 608             addRow(NetworkItem::escapeHTML(tr("Account"), true),
 609                    accountHTML,
 610                    true);
 611             // Mark the row as added
 612             accountAdded = true;
 613         }
 614         // whoisServiceReply may return "<nick> is identified for this nick", which should be translated.
 615         // See https://www.alien.net.au/irc/irc2numerics.html
 616         if(_ircUser->whoisServiceReply().endsWith("identified for this nick")) {
 617             addRow(NetworkItem::escapeHTML(tr("Account"), true),
 618                    NetworkItem::escapeHTML(tr("Identified for this nick")),
 619                    !accountAdded);
 620             // Don't add the account row again if information's already added via account-notify
 621             // Mark the row as added
 622             accountAdded = true;
 623         } else {
 624             addRow(NetworkItem::escapeHTML(tr("Service Reply"), true),
 625                    NetworkItem::escapeHTML(_ircUser->whoisServiceReply()),
 626                    !_ircUser->whoisServiceReply().isEmpty());
 627         }
 628         addRow(tr("Hostmask"),
 629                NetworkItem::escapeHTML(_ircUser->hostmask().remove(0, _ircUser->hostmask().indexOf("!") + 1)),
 630                !(_ircUser->hostmask().remove(0, _ircUser->hostmask().indexOf("!") + 1) == "@"));
 631         // ircOperator may contain "is an" or "is a", which should be removed.
 632         addRow(tr("Operator"),
 633                NetworkItem::escapeHTML(_ircUser->ircOperator().replace("is an ", "").replace("is a ", "")),
 634                !_ircUser->ircOperator().isEmpty());
 635
 636         if (_ircUser->idleTime().isValid()) {
 637             QDateTime now = QDateTime::currentDateTime();
 638             QDateTime idle = _ircUser->idleTime();
 639             int idleTime = idle.secsTo(now);
 640             addRow(NetworkItem::escapeHTML(tr("Idling since"), true), secondsToString(idleTime), true);
 641         }
 642
 643         if (_ircUser->loginTime().isValid()) {
 644             addRow(NetworkItem::escapeHTML(tr("Login time"), true), _ircUser->loginTime().toString(), true);
 645         }
 646
 647         addRow(tr("Server"), NetworkItem::escapeHTML(_ircUser->server()), !_ircUser->server().isEmpty());
 648         tooltip << "</table>";
 649     }
 650
 651     // If no further information found, offer an explanatory message
 652     if (!infoAdded)
 653         tooltip << "<p class='italic' align='center'>" << tr("No information available") << "</p>";
 654
 655     tooltip << "</qt>";
 656     return strTooltip;
 657 }
 658
 659
 660 void QueryBufferItem::setIrcUser(IrcUser *ircUser)
 661 {
 662     if (_ircUser == ircUser)
 663         return;
 664
 665     if (_ircUser) {
 666         disconnect(_ircUser, 0, this, 0);
 667     }
 668
 669     if (ircUser) {
 670         connect(ircUser, SIGNAL(destroyed(QObject*)), SLOT(removeIrcUser()));
 671         connect(ircUser, SIGNAL(quited()), this, SLOT(removeIrcUser()));
 672         connect(ircUser, SIGNAL(awaySet(bool)), this, SIGNAL(dataChanged()));
 673         connect(ircUser, SIGNAL(encryptedSet(bool)), this, SLOT(setEncrypted(bool)));
 674     }
 675
 676     _ircUser = ircUser;
 677     emit dataChanged();
 678 }
 679
 680
 681 void QueryBufferItem::removeIrcUser()
 682 {
 683     if (_ircUser) {
 684         // Disconnect the active IrcUser before removing it, otherwise it will fire removeIrcUser()
 685         // a second time when the object's destroyed due to QueryBufferItem::setIrcUser() connecting
 686         // SIGNAL destroyed(QObject*) to SLOT removeIrcUser().
 687         // This fixes removing an active IrcUser if the user had quit then rejoined in a nonstandard
 688         // manner (e.g. updateNickFromHost calling newIrcUser, triggered by an away-notify message).
 689         disconnect(_ircUser, 0, this, 0);
 690
 691         // Clear IrcUser (only set to 0 if not already 0)
 692         _ircUser = 0;
 693
 694         // Only emit dataChanged() if data actually changed.  This might serve as a small
 695         // optimization, but it can be moved outside the if statement if other behavior depends on
 696         // it always being called.
 697         emit dataChanged();
 698     }
 699 }
 700
 701
 702 /*****************************************
 703 *  ChannelBufferItem
 704 *****************************************/
 705 ChannelBufferItem::ChannelBufferItem(const BufferInfo &bufferInfo, AbstractTreeItem *parent)
 706     : BufferItem(bufferInfo, parent),
 707     _ircChannel(0)
 708 {
 709     setFlags(flags() | Qt::ItemIsDropEnabled);
 710 }
 711
 712
 713 QVariant ChannelBufferItem::data(int column, int role) const
 714 {
 715     switch (role) {
 716     case NetworkModel::IrcChannelRole:
 717         return QVariant::fromValue<QObject *>(_ircChannel);
 718     default:
 719         return BufferItem::data(column, role);
 720     }
 721 }
 722
 723
 724 QString ChannelBufferItem::toolTip(int column) const
 725 {
 726     Q_UNUSED(column);
 727     QString strTooltip;
 728     QTextStream tooltip( &strTooltip, QIODevice::WriteOnly );
 729     tooltip << "<qt><style>.bold { font-weight: bold; } .italic { font-style: italic; }</style>";
 730
 731     // Function to add a row to the tooltip table
 732     auto addRow = [&](const QString& key, const QString& value, bool condition) {
 733         if (condition) {
 734             tooltip << "<tr><td class='bold' align='right'>" << key << "</td><td>" << value << "</td></tr>";
 735         }
 736     };
 737
 738     tooltip << "<p class='bold' align='center'>";
 739     tooltip << NetworkItem::escapeHTML(tr("Channel %1").arg(bufferName()), true) << "</p>";
 740
 741     if (isActive()) {
 742         tooltip << "<table cellspacing='5' cellpadding='0'>";
 743         addRow(tr("Users"), QString::number(nickCount()), true);
 744
 745         if (_ircChannel) {
 746             QString channelMode = _ircChannel->channelModeString(); // channelModeString is compiled on the fly -> thus cache the result
 747             if (!channelMode.isEmpty())
 748                 addRow(tr("Mode"), channelMode, true);
 749         }
 750
 751         ItemViewSettings s;
 752         bool showTopic = s.displayTopicInTooltip();
 753         if (showTopic) {
 754             QString _topic = topic();
 755             if (_topic != "") {
 756                 _topic = stripFormatCodes(_topic);
 757                 _topic = NetworkItem::escapeHTML(_topic);
 758                 addRow(tr("Topic"), _topic, true);
 759             }
 760         }
 761
 762         tooltip << "</table>";
 763     } else {
 764         tooltip << "<p class='italic' align='center'>" << tr("Not active, double-click to join") << "</p>";
 765     }
 766
 767     tooltip << "</qt>";
 768     return strTooltip;
 769 }
 770
 771
 772 void ChannelBufferItem::attachIrcChannel(IrcChannel *ircChannel)
 773 {
 774     if (_ircChannel) {
 775         qWarning() << Q_FUNC_INFO << "IrcChannel already set; cleanup failed!?";
 776         disconnect(_ircChannel, 0, this, 0);
 777     }
 778
 779     _ircChannel = ircChannel;
 780
 781     connect(ircChannel, SIGNAL(destroyed(QObject*)),
 782         this, SLOT(ircChannelDestroyed()));
 783     connect(ircChannel, SIGNAL(topicSet(QString)),
 784         this, SLOT(setTopic(QString)));
 785     connect(ircChannel, SIGNAL(encryptedSet(bool)),
 786         this, SLOT(setEncrypted(bool)));
 787     connect(ircChannel, SIGNAL(ircUsersJoined(QList<IrcUser *> )),
 788         this, SLOT(join(QList<IrcUser *> )));
 789     connect(ircChannel, SIGNAL(ircUserParted(IrcUser *)),
 790         this, SLOT(part(IrcUser *)));
 791     connect(ircChannel, SIGNAL(parted()),
 792         this, SLOT(ircChannelParted()));
 793     connect(ircChannel, SIGNAL(ircUserModesSet(IrcUser *, QString)),
 794         this, SLOT(userModeChanged(IrcUser *)));
 795     connect(ircChannel, SIGNAL(ircUserModeAdded(IrcUser *, QString)),
 796         this, SLOT(userModeChanged(IrcUser *)));
 797     connect(ircChannel, SIGNAL(ircUserModeRemoved(IrcUser *, QString)),
 798         this, SLOT(userModeChanged(IrcUser *)));
 799
 800     if (!ircChannel->ircUsers().isEmpty())
 801         join(ircChannel->ircUsers());
 802
 803     emit dataChanged();
 804 }
 805
 806 QString ChannelBufferItem::nickChannelModes(const QString &nick) const
 807 {
 808     if (!_ircChannel) {
 809         qDebug() << Q_FUNC_INFO << "IrcChannel not set, can't get user modes";
 810         return QString();
 811     }
 812
 813     return _ircChannel->userModes(nick);
 814 }
 815
 816
 817 void ChannelBufferItem::ircChannelParted()
 818 {
 819     Q_CHECK_PTR(_ircChannel);
 820     disconnect(_ircChannel, 0, this, 0);
 821     _ircChannel = 0;
 822     emit dataChanged();
 823     removeAllChilds();
 824 }
 825
 826
 827 void ChannelBufferItem::ircChannelDestroyed()
 828 {
 829     if (_ircChannel) {
 830         _ircChannel = 0;
 831         emit dataChanged();
 832         removeAllChilds();
 833     }
 834 }
 835
 836
 837 void ChannelBufferItem::join(const QList<IrcUser *> &ircUsers)
 838 {
 839     addUsersToCategory(ircUsers);
 840     emit dataChanged(2);
 841 }
 842
 843
 844 UserCategoryItem *ChannelBufferItem::findCategoryItem(int categoryId)
 845 {
 846     UserCategoryItem *categoryItem = 0;
 847
 848     for (int i = 0; i < childCount(); i++) {
 849         categoryItem = qobject_cast<UserCategoryItem *>(child(i));
 850         if (!categoryItem)
 851             continue;
 852         if (categoryItem->categoryId() == categoryId)
 853             return categoryItem;
 854     }
 855     return 0;
 856 }
 857
 858
 859 void ChannelBufferItem::addUserToCategory(IrcUser *ircUser)
 860 {
 861     addUsersToCategory(QList<IrcUser *>() << ircUser);
 862 }
 863
 864
 865 void ChannelBufferItem::addUsersToCategory(const QList<IrcUser *> &ircUsers)
 866 {
 867     Q_ASSERT(_ircChannel);
 868
 869     QHash<UserCategoryItem *, QList<IrcUser *> > categories;
 870
 871     int categoryId = -1;
 872     UserCategoryItem *categoryItem = 0;
 873
 874     foreach(IrcUser *ircUser, ircUsers) {
 875         categoryId = UserCategoryItem::categoryFromModes(_ircChannel->userModes(ircUser));
 876         categoryItem = findCategoryItem(categoryId);
 877         if (!categoryItem) {
 878             categoryItem = new UserCategoryItem(categoryId, this);
 879             categories[categoryItem] = QList<IrcUser *>();
 880             newChild(categoryItem);
 881         }
 882         categories[categoryItem] << ircUser;
 883     }
 884
 885     QHash<UserCategoryItem *, QList<IrcUser *> >::const_iterator catIter = categories.constBegin();
 886     while (catIter != categories.constEnd()) {
 887         catIter.key()->addUsers(catIter.value());
 888         ++catIter;
 889     }
 890 }
 891
 892
 893 void ChannelBufferItem::part(IrcUser *ircUser)
 894 {
 895     if (!ircUser) {
 896         qWarning() << bufferName() << "ChannelBufferItem::part(): unknown User" << ircUser;
 897         return;
 898     }
 899
 900     disconnect(ircUser, 0, this, 0);
 901     removeUserFromCategory(ircUser);
 902     emit dataChanged(2);
 903 }
 904
 905
 906 void ChannelBufferItem::removeUserFromCategory(IrcUser *ircUser)
 907 {
 908     if (!_ircChannel) {
 909         // If we parted the channel there might still be some ircUsers connected.
 910         // in that case we just ignore the call
 911         Q_ASSERT(childCount() == 0);
 912         return;
 913     }
 914
 915     UserCategoryItem *categoryItem = 0;
 916     for (int i = 0; i < childCount(); i++) {
 917         categoryItem = qobject_cast<UserCategoryItem *>(child(i));
 918         if (categoryItem->removeUser(ircUser)) {
 919             if (categoryItem->childCount() == 0)
 920                 removeChild(i);
 921             break;
 922         }
 923     }
 924 }
 925
 926
 927 void ChannelBufferItem::userModeChanged(IrcUser *ircUser)
 928 {
 929     Q_ASSERT(_ircChannel);
 930
 931     int categoryId = UserCategoryItem::categoryFromModes(_ircChannel->userModes(ircUser));
 932     UserCategoryItem *categoryItem = findCategoryItem(categoryId);
 933
 934     if (categoryItem) {
 935         if (categoryItem->findIrcUser(ircUser)) {
 936             return; // already in the right category;
 937         }
 938     }
 939     else {
 940         categoryItem = new UserCategoryItem(categoryId, this);
 941         newChild(categoryItem);
 942     }
 943
 944     // find the item that needs reparenting
 945     IrcUserItem *ircUserItem = 0;
 946     for (int i = 0; i < childCount(); i++) {
 947         UserCategoryItem *oldCategoryItem = qobject_cast<UserCategoryItem *>(child(i));
 948         Q_ASSERT(oldCategoryItem);
 949         IrcUserItem *userItem = oldCategoryItem->findIrcUser(ircUser);
 950         if (userItem) {
 951             ircUserItem = userItem;
 952             break;
 953         }
 954     }
 955
 956     if (!ircUserItem) {
 957         qWarning() << "ChannelBufferItem::userModeChanged(IrcUser *): unable to determine old category of" << ircUser;
 958         return;
 959     }
 960     ircUserItem->reParent(categoryItem);
 961 }
 962
 963
 964 /*****************************************
 965 *  User Category Items (like @vh etc.)
 966 *****************************************/
 967 // we hardcode this even though we have PREFIX in network... but that wouldn't help with mapping modes to
 968 // category strings anyway.
 969 const QList<QChar> UserCategoryItem::categories = QList<QChar>() << 'q' << 'a' << 'o' << 'h' << 'v';
 970
 971 UserCategoryItem::UserCategoryItem(int category, AbstractTreeItem *parent)
 972     : PropertyMapItem(QStringList() << "categoryName", parent),
 973     _category(category)
 974 {
 975     setFlags(Qt::ItemIsEnabled);
 976     setTreeItemFlags(AbstractTreeItem::DeleteOnLastChildRemoved);
 977     setObjectName(parent->data(0, Qt::DisplayRole).toString() + "/" + QString::number(category));
 978 }
 979
 980
 981 // caching this makes no sense, since we display the user number dynamically
 982 QString UserCategoryItem::categoryName() const
 983 {
 984     int n = childCount();
 985     switch (_category) {
 986     case 0:
 987         return tr("%n Owner(s)", 0, n);
 988     case 1:
 989         return tr("%n Admin(s)", 0, n);
 990     case 2:
 991         return tr("%n Operator(s)", 0, n);
 992     case 3:
 993         return tr("%n Half-Op(s)", 0, n);
 994     case 4:
 995         return tr("%n Voiced", 0, n);
 996     default:
 997         return tr("%n User(s)", 0, n);
 998     }
 999 }
1000
1001
1002 IrcUserItem *UserCategoryItem::findIrcUser(IrcUser *ircUser)
1003 {
1004     IrcUserItem *userItem = 0;
1005
1006     for (int i = 0; i < childCount(); i++) {
1007         userItem = qobject_cast<IrcUserItem *>(child(i));
1008         if (!userItem)
1009             continue;
1010         if (userItem->ircUser() == ircUser)
1011             return userItem;
1012     }
1013     return 0;
1014 }
1015
1016
1017 void UserCategoryItem::addUsers(const QList<IrcUser *> &ircUsers)
1018 {
1019     QList<AbstractTreeItem *> userItems;
1020     foreach(IrcUser *ircUser, ircUsers)
1021     userItems << new IrcUserItem(ircUser, this);
1022     newChilds(userItems);
1023     emit dataChanged(0);
1024 }
1025
1026
1027 bool UserCategoryItem::removeUser(IrcUser *ircUser)
1028 {
1029     IrcUserItem *userItem = findIrcUser(ircUser);
1030     bool success = (bool)userItem;
1031     if (success) {
1032         removeChild(userItem);
1033         emit dataChanged(0);
1034     }
1035     return success;
1036 }
1037
1038
1039 int UserCategoryItem::categoryFromModes(const QString &modes)
1040 {
1041     for (int i = 0; i < categories.count(); i++) {
1042         if (modes.contains(categories[i]))
1043             return i;
1044     }
1045     return categories.count();
1046 }
1047
1048
1049 QVariant UserCategoryItem::data(int column, int role) const
1050 {
1051     switch (role) {
1052     case TreeModel::SortRole:
1053         return _category;
1054     case NetworkModel::ItemActiveRole:
1055         return true;
1056     case NetworkModel::ItemTypeRole:
1057         return NetworkModel::UserCategoryItemType;
1058     case NetworkModel::BufferIdRole:
1059         return parent()->data(column, role);
1060     case NetworkModel::NetworkIdRole:
1061         return parent()->data(column, role);
1062     case NetworkModel::BufferInfoRole:
1063         return parent()->data(column, role);
1064     default:
1065         return PropertyMapItem::data(column, role);
1066     }
1067 }
1068
1069
1070 /*****************************************
1071 *  Irc User Items
1072 *****************************************/
1073 IrcUserItem::IrcUserItem(IrcUser *ircUser, AbstractTreeItem *parent)
1074     : PropertyMapItem(QStringList() << "nickName", parent),
1075     _ircUser(ircUser)
1076 {
1077     setObjectName(ircUser->nick());
1078     connect(ircUser, SIGNAL(quited()), this, SLOT(ircUserQuited()));
1079     connect(ircUser, SIGNAL(nickSet(QString)), this, SIGNAL(dataChanged()));
1080     connect(ircUser, SIGNAL(awaySet(bool)), this, SIGNAL(dataChanged()));
1081 }
1082
1083
1084 QVariant IrcUserItem::data(int column, int role) const
1085 {
1086     switch (role) {
1087     case NetworkModel::ItemActiveRole:
1088         return isActive();
1089     case NetworkModel::ItemTypeRole:
1090         return NetworkModel::IrcUserItemType;
1091     case NetworkModel::BufferIdRole:
1092         return parent()->data(column, role);
1093     case NetworkModel::NetworkIdRole:
1094         return parent()->data(column, role);
1095     case NetworkModel::BufferInfoRole:
1096         return parent()->data(column, role);
1097     case NetworkModel::IrcChannelRole:
1098         return parent()->data(column, role);
1099     case NetworkModel::IrcUserRole:
1100         return QVariant::fromValue<QObject *>(_ircUser.data());
1101     case NetworkModel::UserAwayRole:
1102         return (bool)_ircUser ? _ircUser->isAway() : false;
1103     default:
1104         return PropertyMapItem::data(column, role);
1105     }
1106 }
1107
1108
1109 QString IrcUserItem::toolTip(int column) const
1110 {
1111     Q_UNUSED(column);
1112     QString strTooltip;
1113     QTextStream tooltip( &strTooltip, QIODevice::WriteOnly );
1114     tooltip << "<qt><style>.bold { font-weight: bold; } .italic { font-style: italic; }</style>";
1115
1116     // Keep track of whether or not information has been added
1117     bool infoAdded = false;
1118
1119     // Use bufferName() for QueryBufferItem, nickName() for IrcUserItem
1120     tooltip << "<p class='bold' align='center'>" << NetworkItem::escapeHTML(nickName(), true);
1121     if (_ircUser->userModes() != "") {
1122         //TODO: Translate user Modes and add them to the table below and in QueryBufferItem::toolTip
1123         tooltip << " (" << _ircUser->userModes() << ")";
1124     }
1125     tooltip << "</p>";
1126
1127     auto addRow = [&](const QString& key, const QString& value, bool condition) {
1128         if (condition)
1129         {
1130             tooltip << "<tr><td class='bold' align='right'>" << key << "</td><td>" << value << "</td></tr>";
1131             infoAdded = true;
1132         }
1133     };
1134
1135     tooltip << "<table cellspacing='5' cellpadding='0'>";
1136     addRow(tr("Modes"),
1137            NetworkItem::escapeHTML(channelModes()),
1138            !channelModes().isEmpty());
1139     if (_ircUser->isAway()) {
1140         QString awayMessageHTML = QString("<p class='italic'>%1</p>").arg(tr("Unknown"));
1141
1142         // If away message is known, replace with the escaped message.
1143         if (!_ircUser->awayMessage().isEmpty()) {
1144             awayMessageHTML = NetworkItem::escapeHTML(_ircUser->awayMessage());
1145         }
1146         addRow(NetworkItem::escapeHTML(tr("Away message"), true), awayMessageHTML, true);
1147     }
1148     addRow(tr("Realname"),
1149            NetworkItem::escapeHTML(_ircUser->realName()),
1150            !_ircUser->realName().isEmpty());
1151
1152     // suserHost may return "<nick> is available for help", which should be translated.
1153     // See https://www.alien.net.au/irc/irc2numerics.html
1154     if(_ircUser->suserHost().endsWith("available for help")) {
1155         addRow(NetworkItem::escapeHTML(tr("Help status"), true),
1156                NetworkItem::escapeHTML(tr("Available for help")),
1157                true);
1158     } else {
1159         addRow(NetworkItem::escapeHTML(tr("Service status"), true),
1160                NetworkItem::escapeHTML(_ircUser->suserHost()),
1161                !_ircUser->suserHost().isEmpty());
1162     }
1163
1164     // Keep track of whether or not the account information's been added.  Don't show it twice.
1165     bool accountAdded = false;
1166     if(!_ircUser->account().isEmpty()) {
1167         // IRCv3 account-notify is supported by the core and IRC server.
1168         // Assume logged out (seems to be more common)
1169         QString accountHTML = QString("<p class='italic'>%1</p>").arg(tr("Not logged in"));
1170
1171         // If account is logged in, replace with the escaped account name.
1172         if (_ircUser->account() != "*") {
1173             accountHTML = NetworkItem::escapeHTML(_ircUser->account());
1174         }
1175         addRow(NetworkItem::escapeHTML(tr("Account"), true),
1176                accountHTML,
1177                true);
1178         // Mark the row as added
1179         accountAdded = true;
1180     }
1181     // whoisServiceReply may return "<nick> is identified for this nick", which should be translated.
1182     // See https://www.alien.net.au/irc/irc2numerics.html
1183     if(_ircUser->whoisServiceReply().endsWith("identified for this nick")) {
1184         addRow(NetworkItem::escapeHTML(tr("Account"), true),
1185                NetworkItem::escapeHTML(tr("Identified for this nick")),
1186                !accountAdded);
1187         // Don't add the account row again if information's already added via account-notify
1188         // Mark the row as added
1189         accountAdded = true;
1190     } else {
1191         addRow(NetworkItem::escapeHTML(tr("Service Reply"), true),
1192                NetworkItem::escapeHTML(_ircUser->whoisServiceReply()),
1193                !_ircUser->whoisServiceReply().isEmpty());
1194     }
1195     addRow(tr("Hostmask"),
1196            NetworkItem::escapeHTML(_ircUser->hostmask().remove(0, _ircUser->hostmask().indexOf("!") + 1)),
1197            !(_ircUser->hostmask().remove(0, _ircUser->hostmask().indexOf("!") + 1) == "@"));
1198     // ircOperator may contain "is an" or "is a", which should be removed.
1199     addRow(tr("Operator"),
1200            NetworkItem::escapeHTML(_ircUser->ircOperator().replace("is an ", "").replace("is a ", "")),
1201            !_ircUser->ircOperator().isEmpty());
1202
1203     if (_ircUser->idleTime().isValid()) {
1204         QDateTime now = QDateTime::currentDateTime();
1205         QDateTime idle = _ircUser->idleTime();
1206         int idleTime = idle.secsTo(now);
1207         addRow(NetworkItem::escapeHTML(tr("Idling since"), true), secondsToString(idleTime), true);
1208     }
1209
1210     if (_ircUser->loginTime().isValid()) {
1211         addRow(NetworkItem::escapeHTML(tr("Login time"), true), _ircUser->loginTime().toString(), true);
1212     }
1213
1214     addRow(tr("Server"), NetworkItem::escapeHTML(_ircUser->server()), !_ircUser->server().isEmpty());
1215     tooltip << "</table>";
1216
1217     // If no further information found, offer an explanatory message
1218     if (!infoAdded)
1219         tooltip << "<p class='italic' align='center'>" << tr("No information available") << "</p>";
1220
1221     tooltip << "</qt>";
1222     return strTooltip;
1223 }
1224
1225 QString IrcUserItem::channelModes() const
1226 {
1227     // IrcUserItems are parented to UserCategoryItem, which are parented to ChannelBufferItem.
1228     // We want the channel buffer item in order to get the channel-specific user modes.
1229     UserCategoryItem *category = qobject_cast<UserCategoryItem *>(parent());
1230     if (!category)
1231         return QString();
1232
1233     ChannelBufferItem *channel = qobject_cast<ChannelBufferItem *>(category->parent());
1234     if (!channel)
1235         return QString();
1236
1237     return channel->nickChannelModes(nickName());
1238 }
1239
1240
1241 /*****************************************
1242  * NetworkModel
1243  *****************************************/
1244 NetworkModel::NetworkModel(QObject *parent)
1245     : TreeModel(NetworkModel::defaultHeader(), parent)
1246 {
1247     connect(this, SIGNAL(rowsInserted(const QModelIndex &, int, int)),
1248         this, SLOT(checkForNewBuffers(const QModelIndex &, int, int)));
1249     connect(this, SIGNAL(rowsAboutToBeRemoved(const QModelIndex &, int, int)),
1250         this, SLOT(checkForRemovedBuffers(const QModelIndex &, int, int)));
1251
1252     BufferSettings defaultSettings;
1253     defaultSettings.notify("UserNoticesTarget", this, SLOT(messageRedirectionSettingsChanged()));
1254     defaultSettings.notify("ServerNoticesTarget", this, SLOT(messageRedirectionSettingsChanged()));
1255     defaultSettings.notify("ErrorMsgsTarget", this, SLOT(messageRedirectionSettingsChanged()));
1256     messageRedirectionSettingsChanged();
1257 }
1258
1259
1260 QList<QVariant> NetworkModel::defaultHeader()
1261 {
1262     QList<QVariant> data;
1263     data << tr("Chat") << tr("Topic") << tr("Nick Count");
1264     return data;
1265 }
1266
1267
1268 bool NetworkModel::isBufferIndex(const QModelIndex &index) const
1269 {
1270     return index.data(NetworkModel::ItemTypeRole) == NetworkModel::BufferItemType;
1271 }
1272
1273
1274 int NetworkModel::networkRow(NetworkId networkId) const
1275 {
1276     NetworkItem *netItem = 0;
1277     for (int i = 0; i < rootItem->childCount(); i++) {
1278         netItem = qobject_cast<NetworkItem *>(rootItem->child(i));
1279         if (!netItem)
1280             continue;
1281         if (netItem->networkId() == networkId)
1282             return i;
1283     }
1284     return -1;
1285 }
1286
1287
1288 QModelIndex NetworkModel::networkIndex(NetworkId networkId)
1289 {
1290     int netRow = networkRow(networkId);
1291     if (netRow == -1)
1292         return QModelIndex();
1293     else
1294         return indexByItem(qobject_cast<NetworkItem *>(rootItem->child(netRow)));
1295 }
1296
1297
1298 NetworkItem *NetworkModel::findNetworkItem(NetworkId networkId) const
1299 {
1300     int netRow = networkRow(networkId);
1301     if (netRow == -1)
1302         return 0;
1303     else
1304         return qobject_cast<NetworkItem *>(rootItem->child(netRow));
1305 }
1306
1307
1308 NetworkItem *NetworkModel::networkItem(NetworkId networkId)
1309 {
1310     NetworkItem *netItem = findNetworkItem(networkId);
1311
1312     if (netItem == 0) {
1313         netItem = new NetworkItem(networkId, rootItem);
1314         rootItem->newChild(netItem);
1315     }
1316     return netItem;
1317 }
1318
1319
1320 void NetworkModel::networkRemoved(const NetworkId &networkId)
1321 {
1322     int netRow = networkRow(networkId);
1323     if (netRow != -1) {
1324         rootItem->removeChild(netRow);
1325     }
1326 }
1327
1328
1329 QModelIndex NetworkModel::bufferIndex(BufferId bufferId)
1330 {
1331     if (!_bufferItemCache.contains(bufferId))
1332         return QModelIndex();
1333
1334     return indexByItem(_bufferItemCache[bufferId]);
1335 }
1336
1337
1338 BufferItem *NetworkModel::findBufferItem(BufferId bufferId) const
1339 {
1340     if (_bufferItemCache.contains(bufferId))
1341         return _bufferItemCache[bufferId];
1342     else
1343         return 0;
1344 }
1345
1346
1347 BufferItem *NetworkModel::bufferItem(const BufferInfo &bufferInfo)
1348 {
1349     if (_bufferItemCache.contains(bufferInfo.bufferId()))
1350         return _bufferItemCache[bufferInfo.bufferId()];
1351
1352     NetworkItem *netItem = networkItem(bufferInfo.networkId());
1353     return netItem->bufferItem(bufferInfo);
1354 }
1355
1356
1357 QStringList NetworkModel::mimeTypes() const
1358 {
1359     // mimetypes we accept for drops
1360     QStringList types;
1361     // comma separated list of colon separated pairs of networkid and bufferid
1362     // example: 0:1,0:2,1:4
1363     types << "application/Quassel/BufferItemList";
1364     return types;
1365 }
1366
1367
1368 bool NetworkModel::mimeContainsBufferList(const QMimeData *mimeData)
1369 {
1370     return mimeData->hasFormat("application/Quassel/BufferItemList");
1371 }
1372
1373
1374 QList<QPair<NetworkId, BufferId> > NetworkModel::mimeDataToBufferList(const QMimeData *mimeData)
1375 {
1376     QList<QPair<NetworkId, BufferId> > bufferList;
1377
1378     if (!mimeContainsBufferList(mimeData))
1379         return bufferList;
1380
1381     QStringList rawBufferList = QString::fromLatin1(mimeData->data("application/Quassel/BufferItemList")).split(",");
1382     NetworkId networkId;
1383     BufferId bufferUid;
1384     foreach(QString rawBuffer, rawBufferList) {
1385         if (!rawBuffer.contains(":"))
1386             continue;
1387         networkId = rawBuffer.section(":", 0, 0).toInt();
1388         bufferUid = rawBuffer.section(":", 1, 1).toInt();
1389         bufferList.append(qMakePair(networkId, bufferUid));
1390     }
1391     return bufferList;
1392 }
1393
1394
1395 QMimeData *NetworkModel::mimeData(const QModelIndexList &indexes) const
1396 {
1397     QMimeData *mimeData = new QMimeData();
1398
1399     QStringList bufferlist;
1400     QString netid, uid, bufferid;
1401     foreach(QModelIndex index, indexes) {
1402         netid = QString::number(index.data(NetworkIdRole).value<NetworkId>().toInt());
1403         uid = QString::number(index.data(BufferIdRole).value<BufferId>().toInt());
1404         bufferid = QString("%1:%2").arg(netid).arg(uid);
1405         if (!bufferlist.contains(bufferid))
1406             bufferlist << bufferid;
1407     }
1408
1409     mimeData->setData("application/Quassel/BufferItemList", bufferlist.join(",").toLatin1());
1410
1411     return mimeData;
1412 }
1413
1414
1415 void NetworkModel::attachNetwork(Network *net)
1416 {
1417     NetworkItem *netItem = networkItem(net->networkId());
1418     netItem->attachNetwork(net);
1419 }
1420
1421
1422 void NetworkModel::bufferUpdated(BufferInfo bufferInfo)
1423 {
1424     BufferItem *bufItem = bufferItem(bufferInfo);
1425     QModelIndex itemindex = indexByItem(bufItem);
1426     emit dataChanged(itemindex, itemindex);
1427 }
1428
1429
1430 void NetworkModel::removeBuffer(BufferId bufferId)
1431 {
1432     BufferItem *buffItem = findBufferItem(bufferId);
1433     if (!buffItem)
1434         return;
1435
1436     buffItem->parent()->removeChild(buffItem);
1437 }
1438
1439
1440 MsgId NetworkModel::lastSeenMsgId(BufferId bufferId) const
1441 {
1442     if (!_bufferItemCache.contains(bufferId))
1443         return MsgId();
1444
1445     return _bufferItemCache[bufferId]->lastSeenMsgId();
1446 }
1447
1448
1449 MsgId NetworkModel::markerLineMsgId(BufferId bufferId) const
1450 {
1451     if (!_bufferItemCache.contains(bufferId))
1452         return MsgId();
1453
1454     return _bufferItemCache[bufferId]->markerLineMsgId();
1455 }
1456
1457
1458 // FIXME we always seem to use this (expensive) non-const version
1459 MsgId NetworkModel::lastSeenMsgId(const BufferId &bufferId)
1460 {
1461     BufferItem *bufferItem = findBufferItem(bufferId);
1462     if (!bufferItem) {
1463         qDebug() << "NetworkModel::lastSeenMsgId(): buffer is unknown:" << bufferId;
1464         Client::purgeKnownBufferIds();
1465         return MsgId();
1466     }
1467     return bufferItem->lastSeenMsgId();
1468 }
1469
1470
1471 void NetworkModel::setLastSeenMsgId(const BufferId &bufferId, const MsgId &msgId)
1472 {
1473     BufferItem *bufferItem = findBufferItem(bufferId);
1474     if (!bufferItem) {
1475         qDebug() << "NetworkModel::setLastSeenMsgId(): buffer is unknown:" << bufferId;
1476         Client::purgeKnownBufferIds();
1477         return;
1478     }
1479     bufferItem->setLastSeenMsgId(msgId);
1480     emit lastSeenMsgSet(bufferId, msgId);
1481 }
1482
1483
1484 void NetworkModel::setMarkerLineMsgId(const BufferId &bufferId, const MsgId &msgId)
1485 {
1486     BufferItem *bufferItem = findBufferItem(bufferId);
1487     if (!bufferItem) {
1488         qDebug() << "NetworkModel::setMarkerLineMsgId(): buffer is unknown:" << bufferId;
1489         Client::purgeKnownBufferIds();
1490         return;
1491     }
1492     bufferItem->setMarkerLineMsgId(msgId);
1493     emit markerLineSet(bufferId, msgId);
1494 }
1495
1496
1497 void NetworkModel::updateBufferActivity(Message &msg)
1498 {
1499     int redirectionTarget = 0;
1500     switch (msg.type()) {
1501     case Message::Notice:
1502         if (bufferType(msg.bufferId()) != BufferInfo::ChannelBuffer) {
1503             msg.setFlags(msg.flags() | Message::Redirected);
1504             if (msg.flags() & Message::ServerMsg) {
1505                 // server notice
1506                 redirectionTarget = _serverNoticesTarget;
1507             }
1508             else {
1509                 redirectionTarget = _userNoticesTarget;
1510             }
1511         }
1512         break;
1513     case Message::Error:
1514         msg.setFlags(msg.flags() | Message::Redirected);
1515         redirectionTarget = _errorMsgsTarget;
1516         break;
1517     // Update IrcUser's last activity
1518     case Message::Plain:
1519     case Message::Action:
1520         if (bufferType(msg.bufferId()) == BufferInfo::ChannelBuffer) {
1521             const Network *net = Client::network(msg.bufferInfo().networkId());
1522             IrcUser *user = net ? net->ircUser(nickFromMask(msg.sender())) : 0;
1523             if (user)
1524                 user->setLastChannelActivity(msg.bufferId(), msg.timestamp());
1525         }
1526         break;
1527     default:
1528         break;
1529     }
1530
1531     if (msg.flags() & Message::Redirected) {
1532         if (redirectionTarget & BufferSettings::DefaultBuffer)
1533             updateBufferActivity(bufferItem(msg.bufferInfo()), msg);
1534
1535         if (redirectionTarget & BufferSettings::StatusBuffer) {
1536             const NetworkItem *netItem = findNetworkItem(msg.bufferInfo().networkId());
1537             if (netItem) {
1538                 updateBufferActivity(netItem->statusBufferItem(), msg);
1539             }
1540         }
1541     }
1542     else {
1543         if ((BufferSettings(msg.bufferId()).messageFilter() & msg.type()) != msg.type())
1544             updateBufferActivity(bufferItem(msg.bufferInfo()), msg);
1545     }
1546 }
1547
1548
1549 void NetworkModel::updateBufferActivity(BufferItem *bufferItem, const Message &msg)
1550 {
1551     if (!bufferItem)
1552         return;
1553
1554     bufferItem->updateActivityLevel(msg);
1555     if (bufferItem->isCurrentBuffer())
1556         emit requestSetLastSeenMsg(bufferItem->bufferId(), msg.msgId());
1557 }
1558
1559
1560 void NetworkModel::setBufferActivity(const BufferId &bufferId, BufferInfo::ActivityLevel level)
1561 {
1562     BufferItem *bufferItem = findBufferItem(bufferId);
1563     if (!bufferItem) {
1564         qDebug() << "NetworkModel::setBufferActivity(): buffer is unknown:" << bufferId;
1565         return;
1566     }
1567     bufferItem->setActivityLevel(level);
1568 }
1569
1570
1571 void NetworkModel::clearBufferActivity(const BufferId &bufferId)
1572 {
1573     BufferItem *bufferItem = findBufferItem(bufferId);
1574     if (!bufferItem) {
1575         qDebug() << "NetworkModel::clearBufferActivity(): buffer is unknown:" << bufferId;
1576         return;
1577     }
1578     bufferItem->clearActivityLevel();
1579 }
1580
1581
1582 const Network *NetworkModel::networkByIndex(const QModelIndex &index) const
1583 {
1584     QVariant netVariant = index.data(NetworkIdRole);
1585     if (!netVariant.isValid())
1586         return 0;
1587
1588     NetworkId networkId = netVariant.value<NetworkId>();
1589     return Client::network(networkId);
1590 }
1591
1592
1593 void NetworkModel::checkForRemovedBuffers(const QModelIndex &parent, int start, int end)
1594 {
1595     if (parent.data(ItemTypeRole) != NetworkItemType)
1596         return;
1597
1598     for (int row = start; row <= end; row++) {
1599         _bufferItemCache.remove(parent.child(row, 0).data(BufferIdRole).value<BufferId>());
1600     }
1601 }
1602
1603
1604 void NetworkModel::checkForNewBuffers(const QModelIndex &parent, int start, int end)
1605 {
1606     if (parent.data(ItemTypeRole) != NetworkItemType)
1607         return;
1608
1609     for (int row = start; row <= end; row++) {
1610         QModelIndex child = parent.child(row, 0);
1611         _bufferItemCache[child.data(BufferIdRole).value < BufferId > ()] = static_cast<BufferItem *>(child.internalPointer());
1612     }
1613 }
1614
1615
1616 QString NetworkModel::bufferName(BufferId bufferId) const
1617 {
1618     if (!_bufferItemCache.contains(bufferId))
1619         return QString();
1620
1621     return _bufferItemCache[bufferId]->bufferName();
1622 }
1623
1624
1625 BufferInfo::Type NetworkModel::bufferType(BufferId bufferId) const
1626 {
1627     if (!_bufferItemCache.contains(bufferId))
1628         return BufferInfo::InvalidBuffer;
1629
1630     return _bufferItemCache[bufferId]->bufferType();
1631 }
1632
1633
1634 BufferInfo NetworkModel::bufferInfo(BufferId bufferId) const
1635 {
1636     if (!_bufferItemCache.contains(bufferId))
1637         return BufferInfo();
1638
1639     return _bufferItemCache[bufferId]->bufferInfo();
1640 }
1641
1642
1643 NetworkId NetworkModel::networkId(BufferId bufferId) const
1644 {
1645     if (!_bufferItemCache.contains(bufferId))
1646         return NetworkId();
1647
1648     NetworkItem *netItem = qobject_cast<NetworkItem *>(_bufferItemCache[bufferId]->parent());
1649     if (netItem)
1650         return netItem->networkId();
1651     else
1652         return NetworkId();
1653 }
1654
1655
1656 QString NetworkModel::networkName(BufferId bufferId) const
1657 {
1658     if (!_bufferItemCache.contains(bufferId))
1659         return QString();
1660
1661     NetworkItem *netItem = qobject_cast<NetworkItem *>(_bufferItemCache[bufferId]->parent());
1662     if (netItem)
1663         return netItem->networkName();
1664     else
1665         return QString();
1666 }
1667
1668
1669 BufferId NetworkModel::bufferId(NetworkId networkId, const QString &bufferName, Qt::CaseSensitivity cs) const
1670 {
1671     const NetworkItem *netItem = findNetworkItem(networkId);
1672     if (!netItem)
1673         return BufferId();
1674
1675     for (int i = 0; i < netItem->childCount(); i++) {
1676         BufferItem *bufferItem = qobject_cast<BufferItem *>(netItem->child(i));
1677         if (bufferItem && !bufferItem->bufferName().compare(bufferName, cs))
1678             return bufferItem->bufferId();
1679     }
1680     return BufferId();
1681 }
1682
1683
1684 void NetworkModel::sortBufferIds(QList<BufferId> &bufferIds) const
1685 {
1686     QList<BufferItem *> bufferItems;
1687     foreach(BufferId bufferId, bufferIds) {
1688         if (_bufferItemCache.contains(bufferId))
1689             bufferItems << _bufferItemCache[bufferId];
1690     }
1691
1692     qSort(bufferItems.begin(), bufferItems.end(), bufferItemLessThan);
1693
1694     bufferIds.clear();
1695     foreach(BufferItem *bufferItem, bufferItems) {
1696         bufferIds << bufferItem->bufferId();
1697     }
1698 }
1699
1700
1701 QList<BufferId> NetworkModel::allBufferIdsSorted() const
1702 {
1703     QList<BufferId> bufferIds = allBufferIds();
1704     sortBufferIds(bufferIds);
1705     return bufferIds;
1706 }
1707
1708
1709 bool NetworkModel::bufferItemLessThan(const BufferItem *left, const BufferItem *right)
1710 {
1711     int leftType = left->bufferType();
1712     int rightType = right->bufferType();
1713
1714     if (leftType != rightType)
1715         return leftType < rightType;
1716     else
1717         return QString::compare(left->bufferName(), right->bufferName(), Qt::CaseInsensitive) < 0;
1718 }
1719
1720
1721 void NetworkModel::messageRedirectionSettingsChanged()
1722 {
1723     BufferSettings bufferSettings;
1724
1725     _userNoticesTarget = bufferSettings.userNoticesTarget();
1726     _serverNoticesTarget = bufferSettings.serverNoticesTarget();
1727     _errorMsgsTarget = bufferSettings.errorMsgsTarget();
1728 }
1729
1730 void NetworkModel::bufferActivityChanged(BufferId bufferId, const Message::Types activity) {
1731     auto bufferItem = findBufferItem(bufferId);
1732     if (!bufferItem) {
1733         qDebug() << "NetworkModel::clearBufferActivity(): buffer is unknown:" << bufferId;
1734         return;
1735     }
1736     auto hiddenTypes = BufferSettings(bufferId).messageFilter();
1737     auto visibleTypes = ~hiddenTypes;
1738     auto activityVisibleTypesIntersection = activity & visibleTypes;
1739     bufferItem->setActivity(activityVisibleTypesIntersection, false);
1740 }