src/client/networkmodel.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2018 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 #include "buffersyncer.h"
  38
  39 /*****************************************
  40 *  Network Items
  41 *****************************************/
  42 NetworkItem::NetworkItem(const NetworkId &netid, AbstractTreeItem *parent)
  43     : PropertyMapItem(QList<QString>() << "networkName" << "currentServer" << "nickCount", parent),
  44     _networkId(netid),
  45     _statusBufferItem(0)
  46 {
  47     // DO NOT EMIT dataChanged() DIRECTLY IN NetworkItem
  48     // use networkDataChanged() instead. Otherwise you will end up in a infinite loop
  49     // as we "sync" the dataChanged() signals of NetworkItem and StatusBufferItem
  50     setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable);
  51     connect(this, SIGNAL(networkDataChanged(int)), this, SIGNAL(dataChanged(int)));
  52     connect(this, SIGNAL(beginRemoveChilds(int, int)), this, SLOT(onBeginRemoveChilds(int, int)));
  53 }
  54
  55
  56 QVariant NetworkItem::data(int column, int role) const
  57 {
  58     switch (role) {
  59     case NetworkModel::BufferIdRole:
  60     case NetworkModel::BufferInfoRole:
  61     case NetworkModel::BufferTypeRole:
  62     case NetworkModel::BufferActivityRole:
  63         if (_statusBufferItem)
  64             return _statusBufferItem->data(column, role);
  65         else
  66             return QVariant();
  67     case NetworkModel::NetworkIdRole:
  68         return qVariantFromValue(_networkId);
  69     case NetworkModel::ItemTypeRole:
  70         return NetworkModel::NetworkItemType;
  71     case NetworkModel::ItemActiveRole:
  72         return isActive();
  73     default:
  74         return PropertyMapItem::data(column, role);
  75     }
  76 }
  77
  78 QString NetworkItem::escapeHTML(const QString &string, bool useNonbreakingSpaces)
  79 {
  80     // QString.replace() doesn't guarantee the source string will remain constant.
  81     // Use a local variable to avoid compiler errors.
  82 #if QT_VERSION < 0x050000
  83     QString formattedString = Qt::escape(string);
  84 #else
  85     QString formattedString = string.toHtmlEscaped();
  86 #endif
  87     return (useNonbreakingSpaces ? formattedString.replace(" ", "&nbsp;") : formattedString);
  88 }
  89
  90
  91 // FIXME shouldn't we check the bufferItemCache here?
  92 BufferItem *NetworkItem::findBufferItem(BufferId bufferId)
  93 {
  94     BufferItem *bufferItem = 0;
  95
  96     for (int i = 0; i < childCount(); i++) {
  97         bufferItem = qobject_cast<BufferItem *>(child(i));
  98         if (!bufferItem)
  99             continue;
 100         if (bufferItem->bufferId() == bufferId)
 101             return bufferItem;
 102     }
 103     return 0;
 104 }
 105
 106
 107 BufferItem *NetworkItem::bufferItem(const BufferInfo &bufferInfo)
 108 {
 109     BufferItem *bufferItem = findBufferItem(bufferInfo);
 110     if (bufferItem)
 111         return bufferItem;
 112
 113     switch (bufferInfo.type()) {
 114     case BufferInfo::StatusBuffer:
 115         _statusBufferItem = new StatusBufferItem(bufferInfo, this);
 116         bufferItem = _statusBufferItem;
 117         disconnect(this, SIGNAL(networkDataChanged(int)), this, SIGNAL(dataChanged(int)));
 118         connect(this, SIGNAL(networkDataChanged(int)), bufferItem, SIGNAL(dataChanged(int)));
 119         connect(bufferItem, SIGNAL(dataChanged(int)), this, SIGNAL(dataChanged(int)));
 120         break;
 121     case BufferInfo::ChannelBuffer:
 122         bufferItem = new ChannelBufferItem(bufferInfo, this);
 123         break;
 124     case BufferInfo::QueryBuffer:
 125         bufferItem = new QueryBufferItem(bufferInfo, this);
 126         break;
 127     default:
 128         bufferItem = new BufferItem(bufferInfo, this);
 129     }
 130
 131     newChild(bufferItem);
 132
 133     // postprocess... this is necessary because Qt doesn't seem to like adding children which already have children on their own
 134     switch (bufferInfo.type()) {
 135     case BufferInfo::ChannelBuffer:
 136     {
 137         ChannelBufferItem *channelBufferItem = static_cast<ChannelBufferItem *>(bufferItem);
 138         if (_network) {
 139             IrcChannel *ircChannel = _network->ircChannel(bufferInfo.bufferName());
 140             if (ircChannel)
 141                 channelBufferItem->attachIrcChannel(ircChannel);
 142         }
 143     }
 144     break;
 145     default:
 146         break;
 147     }
 148
 149     BufferSyncer *bufferSyncer = Client::bufferSyncer();
 150     if (bufferSyncer) {
 151         bufferItem->addActivity(
 152                 bufferSyncer->activity(bufferItem->bufferId()),
 153                 bufferSyncer->highlightCount(bufferItem->bufferId()) > 0
 154         );
 155     }
 156
 157     return bufferItem;
 158 }
 159
 160
 161 void NetworkItem::attachNetwork(Network *network)
 162 {
 163     if (!network)
 164         return;
 165
 166     _network = network;
 167
 168     connect(network, SIGNAL(networkNameSet(QString)),
 169         this, SLOT(setNetworkName(QString)));
 170     connect(network, SIGNAL(currentServerSet(QString)),
 171         this, SLOT(setCurrentServer(QString)));
 172     connect(network, SIGNAL(ircChannelAdded(IrcChannel *)),
 173         this, SLOT(attachIrcChannel(IrcChannel *)));
 174     connect(network, SIGNAL(ircUserAdded(IrcUser *)),
 175         this, SLOT(attachIrcUser(IrcUser *)));
 176     connect(network, SIGNAL(connectedSet(bool)),
 177         this, SIGNAL(networkDataChanged()));
 178     connect(network, SIGNAL(destroyed()),
 179         this, SLOT(onNetworkDestroyed()));
 180
 181     emit networkDataChanged();
 182 }
 183
 184
 185 void NetworkItem::attachIrcChannel(IrcChannel *ircChannel)
 186 {
 187     ChannelBufferItem *channelItem;
 188     for (int i = 0; i < childCount(); i++) {
 189         channelItem = qobject_cast<ChannelBufferItem *>(child(i));
 190         if (!channelItem)
 191             continue;
 192
 193         if (channelItem->bufferName().toLower() == ircChannel->name().toLower()) {
 194             channelItem->attachIrcChannel(ircChannel);
 195             return;
 196         }
 197     }
 198 }
 199
 200
 201 void NetworkItem::attachIrcUser(IrcUser *ircUser)
 202 {
 203     QueryBufferItem *queryItem = 0;
 204     for (int i = 0; i < childCount(); i++) {
 205         queryItem = qobject_cast<QueryBufferItem *>(child(i));
 206         if (!queryItem)
 207             continue;
 208
 209         if (queryItem->bufferName().toLower() == ircUser->nick().toLower()) {
 210             queryItem->setIrcUser(ircUser);
 211             break;
 212         }
 213     }
 214 }
 215
 216
 217 void NetworkItem::setNetworkName(const QString &networkName)
 218 {
 219     Q_UNUSED(networkName);
 220     emit networkDataChanged(0);
 221 }
 222
 223
 224 void NetworkItem::setCurrentServer(const QString &serverName)
 225 {
 226     Q_UNUSED(serverName);
 227     emit networkDataChanged(1);
 228 }
 229
 230
 231 QString NetworkItem::toolTip(int column) const
 232 {
 233     Q_UNUSED(column);
 234     QString strTooltip;
 235     QTextStream tooltip( &strTooltip, QIODevice::WriteOnly );
 236     tooltip << "<qt><style>.bold { font-weight: bold; } .italic { font-style: italic; }</style>";
 237
 238     // Function to add a row to the tooltip table
 239     auto addRow = [&](const QString& key, const QString& value, bool condition) {
 240         if (condition) {
 241             tooltip << "<tr><td class='bold' align='right'>" << key << "</td><td>" << value << "</td></tr>";
 242         }
 243     };
 244
 245     tooltip << "<p class='bold' align='center'>" << NetworkItem::escapeHTML(networkName(), true) << "</p>";
 246     if (isActive()) {
 247         tooltip << "<table cellspacing='5' cellpadding='0'>";
 248         addRow(tr("Server"), NetworkItem::escapeHTML(currentServer(), true), !currentServer().isEmpty());
 249         addRow(tr("Users"), QString::number(nickCount()), true);
 250         if (_network)
 251             addRow(tr("Lag"), NetworkItem::escapeHTML(tr("%1 msecs").arg(_network->latency()), true), true);
 252
 253         tooltip << "</table>";
 254     } else {
 255         tooltip << "<p class='italic' align='center'>" << tr("Not connected") << "</p>";
 256     }
 257     tooltip << "</qt>";
 258     return strTooltip;
 259 }
 260
 261
 262 void NetworkItem::onBeginRemoveChilds(int start, int end)
 263 {
 264     for (int i = start; i <= end; i++) {
 265         StatusBufferItem *statusBufferItem = qobject_cast<StatusBufferItem *>(child(i));
 266         if (statusBufferItem) {
 267             _statusBufferItem = 0;
 268             break;
 269         }
 270     }
 271 }
 272
 273
 274 void NetworkItem::onNetworkDestroyed()
 275 {
 276     _network = 0;
 277     emit networkDataChanged();
 278     removeAllChilds();
 279 }
 280
 281
 282 /*****************************************
 283 *  Fancy Buffer Items
 284 *****************************************/
 285 BufferItem::BufferItem(const BufferInfo &bufferInfo, AbstractTreeItem *parent)
 286     : PropertyMapItem(QStringList() << "bufferName" << "topic" << "nickCount", parent),
 287     _bufferInfo(bufferInfo),
 288     _activity(BufferInfo::NoActivity)
 289 {
 290     setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsDragEnabled);
 291 }
 292
 293
 294 void BufferItem::setActivityLevel(BufferInfo::ActivityLevel level)
 295 {
 296     if (_activity != level) {
 297         _activity = level;
 298         emit dataChanged();
 299     }
 300 }
 301
 302
 303 void BufferItem::clearActivityLevel()
 304 {
 305     if (Client::isCoreFeatureEnabled(Quassel::Feature::BufferActivitySync)) {
 306         // If the core handles activity sync, clear only the highlight flag
 307         _activity &= ~BufferInfo::Highlight;
 308     } else {
 309         _activity = BufferInfo::NoActivity;
 310     }
 311     _firstUnreadMsgId = MsgId();
 312
 313     // FIXME remove with core proto v11
 314     if (!Client::isCoreFeatureEnabled(Quassel::Feature::SynchronizedMarkerLine)) {
 315         _markerLineMsgId = _lastSeenMsgId;
 316     }
 317
 318     emit dataChanged();
 319 }
 320
 321
 322 void BufferItem::updateActivityLevel(const Message &msg)
 323 {
 324     // If the core handles activity, and this message is not a highlight, ignore this
 325     if (Client::isCoreFeatureEnabled(Quassel::Feature::BufferActivitySync) && !msg.flags().testFlag(Message::Highlight)) {
 326         return;
 327     }
 328
 329     if (isCurrentBuffer()) {
 330         return;
 331     }
 332
 333     if (msg.flags() & Message::Self)    // don't update activity for our own messages
 334         return;
 335
 336     if (Client::ignoreListManager()
 337         && Client::ignoreListManager()->match(msg, qobject_cast<NetworkItem *>(parent())->networkName()))
 338         return;
 339
 340     if (msg.msgId() <= lastSeenMsgId())
 341         return;
 342
 343     bool stateChanged = false;
 344     if (!firstUnreadMsgId().isValid() || msg.msgId() < firstUnreadMsgId()) {
 345         stateChanged = true;
 346         _firstUnreadMsgId = msg.msgId();
 347     }
 348
 349     Message::Types type;
 350     // If the core handles activities, ignore types
 351     if (Client::isCoreFeatureEnabled(Quassel::Feature::BufferActivitySync)) {
 352         type = Message::Types();
 353     } else {
 354         type = msg.type();
 355     }
 356
 357     if (addActivity(type, msg.flags().testFlag(Message::Highlight)) || stateChanged) {
 358         emit dataChanged();
 359     }
 360 }
 361
 362 void BufferItem::setActivity(Message::Types type, bool highlight) {
 363     BufferInfo::ActivityLevel oldLevel = activityLevel();
 364
 365     _activity &= BufferInfo::Highlight;
 366     addActivity(type, highlight);
 367
 368     if (_activity != oldLevel) {
 369         emit dataChanged();
 370     }
 371 }
 372
 373 bool BufferItem::addActivity(Message::Types type, bool highlight) {
 374     auto oldActivity = activityLevel();
 375
 376     if (type != Message::Types())
 377         _activity |= BufferInfo::OtherActivity;
 378
 379     if (type.testFlag(Message::Plain) || type.testFlag(Message::Notice) || type.testFlag(Message::Action))
 380         _activity |= BufferInfo::NewMessage;
 381
 382     if (highlight)
 383         _activity |= BufferInfo::Highlight;
 384
 385     return oldActivity != _activity;
 386 }
 387
 388
 389 QVariant BufferItem::data(int column, int role) const
 390 {
 391     switch (role) {
 392     case NetworkModel::ItemTypeRole:
 393         return NetworkModel::BufferItemType;
 394     case NetworkModel::BufferIdRole:
 395         return qVariantFromValue(bufferInfo().bufferId());
 396     case NetworkModel::NetworkIdRole:
 397         return qVariantFromValue(bufferInfo().networkId());
 398     case NetworkModel::BufferInfoRole:
 399         return qVariantFromValue(bufferInfo());
 400     case NetworkModel::BufferTypeRole:
 401         return int(bufferType());
 402     case NetworkModel::ItemActiveRole:
 403         return isActive();
 404     case NetworkModel::BufferActivityRole:
 405         return (int)activityLevel();
 406     case NetworkModel::BufferFirstUnreadMsgIdRole:
 407         return qVariantFromValue(firstUnreadMsgId());
 408     case NetworkModel::MarkerLineMsgIdRole:
 409         return qVariantFromValue(markerLineMsgId());
 410     default:
 411         return PropertyMapItem::data(column, role);
 412     }
 413 }
 414
 415
 416 bool BufferItem::setData(int column, const QVariant &value, int role)
 417 {
 418     switch (role) {
 419     case NetworkModel::BufferActivityRole:
 420         setActivityLevel((BufferInfo::ActivityLevel)value.toInt());
 421         return true;
 422     default:
 423         return PropertyMapItem::setData(column, value, role);
 424     }
 425     return true;
 426 }
 427
 428
 429 void BufferItem::setBufferName(const QString &name)
 430 {
 431     _bufferInfo = BufferInfo(_bufferInfo.bufferId(), _bufferInfo.networkId(), _bufferInfo.type(), _bufferInfo.groupId(), name);
 432     emit dataChanged(0);
 433 }
 434
 435
 436 void BufferItem::setLastSeenMsgId(MsgId msgId)
 437 {
 438     _lastSeenMsgId = msgId;
 439
 440     // FIXME remove with core protocol v11
 441     if (!Client::isCoreFeatureEnabled(Quassel::Feature::SynchronizedMarkerLine)) {
 442         if (!isCurrentBuffer())
 443             _markerLineMsgId = msgId;
 444     }
 445
 446     setActivityLevel(BufferInfo::NoActivity);
 447 }
 448
 449
 450 void BufferItem::setMarkerLineMsgId(MsgId msgId)
 451 {
 452     _markerLineMsgId = msgId;
 453     emit dataChanged();
 454 }
 455
 456
 457 bool BufferItem::isCurrentBuffer() const
 458 {
 459     return _bufferInfo.bufferId() == Client::bufferModel()->currentIndex().data(NetworkModel::BufferIdRole).value<BufferId>();
 460 }
 461
 462
 463 QString BufferItem::toolTip(int column) const
 464 {
 465     Q_UNUSED(column);
 466     return tr("<p> %1 - %2 </p>").arg(bufferInfo().bufferId().toInt()).arg(bufferName());
 467 }
 468
 469
 470 /*****************************************
 471 *  StatusBufferItem
 472 *****************************************/
 473 StatusBufferItem::StatusBufferItem(const BufferInfo &bufferInfo, NetworkItem *parent)
 474     : BufferItem(bufferInfo, parent)
 475 {
 476 }
 477
 478
 479 QString StatusBufferItem::toolTip(int column) const
 480 {
 481     NetworkItem *networkItem = qobject_cast<NetworkItem *>(parent());
 482     if (networkItem)
 483         return networkItem->toolTip(column);
 484     else
 485         return QString();
 486 }
 487
 488
 489 /*****************************************
 490 *  QueryBufferItem
 491 *****************************************/
 492 QueryBufferItem::QueryBufferItem(const BufferInfo &bufferInfo, NetworkItem *parent)
 493     : BufferItem(bufferInfo, parent),
 494     _ircUser(0)
 495 {
 496     setFlags(flags() | Qt::ItemIsDropEnabled | Qt::ItemIsEditable);
 497
 498     const Network *net = Client::network(bufferInfo.networkId());
 499     if (!net)
 500         return;
 501
 502     IrcUser *ircUser = net->ircUser(bufferInfo.bufferName());
 503     setIrcUser(ircUser);
 504 }
 505
 506
 507 QVariant QueryBufferItem::data(int column, int role) const
 508 {
 509     switch (role) {
 510     case Qt::EditRole:
 511         return BufferItem::data(column, Qt::DisplayRole);
 512     case NetworkModel::IrcUserRole:
 513         return QVariant::fromValue<QObject *>(_ircUser);
 514     case NetworkModel::UserAwayRole:
 515         return (bool)_ircUser ? _ircUser->isAway() : false;
 516     default:
 517         return BufferItem::data(column, role);
 518     }
 519 }
 520
 521
 522 bool QueryBufferItem::setData(int column, const QVariant &value, int role)
 523 {
 524     if (column != 0)
 525         return BufferItem::setData(column, value, role);
 526
 527     switch (role) {
 528     case Qt::EditRole:
 529     {
 530         QString newName = value.toString();
 531
 532         // Sanity check - buffer names must not contain newlines!
 533         int nlpos = newName.indexOf('\n');
 534         if (nlpos >= 0)
 535             newName = newName.left(nlpos);
 536
 537         if (!newName.isEmpty()) {
 538             Client::renameBuffer(bufferId(), newName);
 539             return true;
 540         }
 541         else {
 542             return false;
 543         }
 544     }
 545     break;
 546     default:
 547         return BufferItem::setData(column, value, role);
 548     }
 549 }
 550
 551
 552 void QueryBufferItem::setBufferName(const QString &name)
 553 {
 554     BufferItem::setBufferName(name);
 555     NetworkId netId = data(0, NetworkModel::NetworkIdRole).value<NetworkId>();
 556     const Network *net = Client::network(netId);
 557     if (net)
 558         setIrcUser(net->ircUser(name));
 559 }
 560
 561
 562 QString QueryBufferItem::toolTip(int column) const
 563 {
 564     // pretty much code duplication of IrcUserItem::toolTip() but inheritance won't solve this...
 565     Q_UNUSED(column);
 566     QString strTooltip;
 567     QTextStream tooltip( &strTooltip, QIODevice::WriteOnly );
 568     tooltip << "<qt><style>.bold { font-weight: bold; } .italic { font-style: italic; }</style>";
 569
 570     // Keep track of whether or not information has been added
 571     bool infoAdded = false;
 572
 573     // Use bufferName() for QueryBufferItem, nickName() for IrcUserItem
 574     tooltip << "<p class='bold' align='center'>";
 575     tooltip << tr("Query with %1").arg(NetworkItem::escapeHTML(bufferName(), true));
 576     if (!_ircUser) {
 577         // User seems to be offline, let the no information message be added below
 578         tooltip << "</p>";
 579     } else {
 580         // Function to add a row to the tooltip table
 581         auto addRow = [&](const QString& key, const QString& value, bool condition) {
 582             if (condition) {
 583                 tooltip << "<tr><td class='bold' align='right'>" << key << "</td><td>" << value << "</td></tr>";
 584                 infoAdded = true;
 585             }
 586         };
 587
 588         // User information is available
 589         if (_ircUser->userModes() != "") {
 590             //TODO Translate user Modes and add them to the table below and in IrcUserItem::toolTip
 591             tooltip << " (" << _ircUser->userModes() << ")";
 592         }
 593         tooltip << "</p>";
 594
 595         tooltip << "<table cellspacing='5' cellpadding='0'>";
 596         if (_ircUser->isAway()) {
 597             QString awayMessageHTML = QString("<p class='italic'>%1</p>").arg(tr("Unknown"));
 598
 599             // If away message is known, replace with the escaped message.
 600             if (!_ircUser->awayMessage().isEmpty()) {
 601                 awayMessageHTML = NetworkItem::escapeHTML(_ircUser->awayMessage());
 602             }
 603             addRow(NetworkItem::escapeHTML(tr("Away message"), true), awayMessageHTML, true);
 604         }
 605         addRow(tr("Realname"),
 606                NetworkItem::escapeHTML(_ircUser->realName()),
 607                !_ircUser->realName().isEmpty());
 608         // suserHost may return "<nick> is available for help", which should be translated.
 609         // See https://www.alien.net.au/irc/irc2numerics.html
 610         if(_ircUser->suserHost().endsWith("available for help")) {
 611             addRow(NetworkItem::escapeHTML(tr("Help status"), true),
 612                    NetworkItem::escapeHTML(tr("Available for help")),
 613                    true);
 614         } else {
 615             addRow(NetworkItem::escapeHTML(tr("Service status"), true),
 616                    NetworkItem::escapeHTML(_ircUser->suserHost()),
 617                    !_ircUser->suserHost().isEmpty());
 618         }
 619
 620         // Keep track of whether or not the account information's been added.  Don't show it twice.
 621         bool accountAdded = false;
 622         if(!_ircUser->account().isEmpty()) {
 623             // IRCv3 account-notify is supported by the core and IRC server.
 624             // Assume logged out (seems to be more common)
 625             QString accountHTML = QString("<p class='italic'>%1</p>").arg(tr("Not logged in"));
 626
 627             // If account is logged in, replace with the escaped account name.
 628             if (_ircUser->account() != "*") {
 629                 accountHTML = NetworkItem::escapeHTML(_ircUser->account());
 630             }
 631             addRow(NetworkItem::escapeHTML(tr("Account"), true),
 632                    accountHTML,
 633                    true);
 634             // Mark the row as added
 635             accountAdded = true;
 636         }
 637         // whoisServiceReply may return "<nick> is identified for this nick", which should be translated.
 638         // See https://www.alien.net.au/irc/irc2numerics.html
 639         if(_ircUser->whoisServiceReply().endsWith("identified for this nick")) {
 640             addRow(NetworkItem::escapeHTML(tr("Account"), true),
 641                    NetworkItem::escapeHTML(tr("Identified for this nick")),
 642                    !accountAdded);
 643             // Don't add the account row again if information's already added via account-notify
 644             // Mark the row as added
 645             accountAdded = true;
 646         } else {
 647             addRow(NetworkItem::escapeHTML(tr("Service Reply"), true),
 648                    NetworkItem::escapeHTML(_ircUser->whoisServiceReply()),
 649                    !_ircUser->whoisServiceReply().isEmpty());
 650         }
 651         addRow(tr("Hostmask"),
 652                NetworkItem::escapeHTML(_ircUser->hostmask().remove(0, _ircUser->hostmask().indexOf("!") + 1)),
 653                !(_ircUser->hostmask().remove(0, _ircUser->hostmask().indexOf("!") + 1) == "@"));
 654         // ircOperator may contain "is an" or "is a", which should be removed.
 655         addRow(tr("Operator"),
 656                NetworkItem::escapeHTML(_ircUser->ircOperator().replace("is an ", "").replace("is a ", "")),
 657                !_ircUser->ircOperator().isEmpty());
 658
 659         if (_ircUser->idleTime().isValid()) {
 660             QDateTime now = QDateTime::currentDateTime();
 661             QDateTime idle = _ircUser->idleTime();
 662             int idleTime = idle.secsTo(now);
 663             addRow(NetworkItem::escapeHTML(tr("Idling since"), true), secondsToString(idleTime), true);
 664         }
 665
 666         if (_ircUser->loginTime().isValid()) {
 667             addRow(NetworkItem::escapeHTML(tr("Login time"), true), _ircUser->loginTime().toString(), true);
 668         }
 669
 670         addRow(tr("Server"), NetworkItem::escapeHTML(_ircUser->server()), !_ircUser->server().isEmpty());
 671         tooltip << "</table>";
 672     }
 673
 674     // If no further information found, offer an explanatory message
 675     if (!infoAdded)
 676         tooltip << "<p class='italic' align='center'>" << tr("No information available") << "</p>";
 677
 678     tooltip << "</qt>";
 679     return strTooltip;
 680 }
 681
 682
 683 void QueryBufferItem::setIrcUser(IrcUser *ircUser)
 684 {
 685     if (_ircUser == ircUser)
 686         return;
 687
 688     if (_ircUser) {
 689         disconnect(_ircUser, 0, this, 0);
 690     }
 691
 692     if (ircUser) {
 693         connect(ircUser, SIGNAL(destroyed(QObject*)), SLOT(removeIrcUser()));
 694         connect(ircUser, SIGNAL(quited()), this, SLOT(removeIrcUser()));
 695         connect(ircUser, SIGNAL(awaySet(bool)), this, SIGNAL(dataChanged()));
 696         connect(ircUser, SIGNAL(encryptedSet(bool)), this, SLOT(setEncrypted(bool)));
 697     }
 698
 699     _ircUser = ircUser;
 700     emit dataChanged();
 701 }
 702
 703
 704 void QueryBufferItem::removeIrcUser()
 705 {
 706     if (_ircUser) {
 707         // Disconnect the active IrcUser before removing it, otherwise it will fire removeIrcUser()
 708         // a second time when the object's destroyed due to QueryBufferItem::setIrcUser() connecting
 709         // SIGNAL destroyed(QObject*) to SLOT removeIrcUser().
 710         // This fixes removing an active IrcUser if the user had quit then rejoined in a nonstandard
 711         // manner (e.g. updateNickFromHost calling newIrcUser, triggered by an away-notify message).
 712         disconnect(_ircUser, 0, this, 0);
 713
 714         // Clear IrcUser (only set to 0 if not already 0)
 715         _ircUser = 0;
 716
 717         // Only emit dataChanged() if data actually changed.  This might serve as a small
 718         // optimization, but it can be moved outside the if statement if other behavior depends on
 719         // it always being called.
 720         emit dataChanged();
 721     }
 722 }
 723
 724
 725 /*****************************************
 726 *  ChannelBufferItem
 727 *****************************************/
 728 ChannelBufferItem::ChannelBufferItem(const BufferInfo &bufferInfo, AbstractTreeItem *parent)
 729     : BufferItem(bufferInfo, parent),
 730     _ircChannel(0)
 731 {
 732     setFlags(flags() | Qt::ItemIsDropEnabled);
 733 }
 734
 735
 736 QVariant ChannelBufferItem::data(int column, int role) const
 737 {
 738     switch (role) {
 739     case NetworkModel::IrcChannelRole:
 740         return QVariant::fromValue<QObject *>(_ircChannel);
 741     default:
 742         return BufferItem::data(column, role);
 743     }
 744 }
 745
 746
 747 QString ChannelBufferItem::toolTip(int column) const
 748 {
 749     Q_UNUSED(column);
 750     QString strTooltip;
 751     QTextStream tooltip( &strTooltip, QIODevice::WriteOnly );
 752     tooltip << "<qt><style>.bold { font-weight: bold; } .italic { font-style: italic; }</style>";
 753
 754     // Function to add a row to the tooltip table
 755     auto addRow = [&](const QString& key, const QString& value, bool condition) {
 756         if (condition) {
 757             tooltip << "<tr><td class='bold' align='right'>" << key << "</td><td>" << value << "</td></tr>";
 758         }
 759     };
 760
 761     tooltip << "<p class='bold' align='center'>";
 762     tooltip << NetworkItem::escapeHTML(tr("Channel %1").arg(bufferName()), true) << "</p>";
 763
 764     if (isActive()) {
 765         tooltip << "<table cellspacing='5' cellpadding='0'>";
 766         addRow(tr("Users"), QString::number(nickCount()), true);
 767
 768         if (_ircChannel) {
 769             QString channelMode = _ircChannel->channelModeString(); // channelModeString is compiled on the fly -> thus cache the result
 770             if (!channelMode.isEmpty())
 771                 addRow(tr("Mode"), channelMode, true);
 772         }
 773
 774         ItemViewSettings s;
 775         bool showTopic = s.displayTopicInTooltip();
 776         if (showTopic) {
 777             QString _topic = topic();
 778             if (_topic != "") {
 779                 _topic = stripFormatCodes(_topic);
 780                 _topic = NetworkItem::escapeHTML(_topic);
 781                 addRow(tr("Topic"), _topic, true);
 782             }
 783         }
 784
 785         tooltip << "</table>";
 786     } else {
 787         tooltip << "<p class='italic' align='center'>" << tr("Not active, double-click to join") << "</p>";
 788     }
 789
 790     tooltip << "</qt>";
 791     return strTooltip;
 792 }
 793
 794
 795 void ChannelBufferItem::attachIrcChannel(IrcChannel *ircChannel)
 796 {
 797     if (_ircChannel) {
 798         qWarning() << Q_FUNC_INFO << "IrcChannel already set; cleanup failed!?";
 799         disconnect(_ircChannel, 0, this, 0);
 800     }
 801
 802     _ircChannel = ircChannel;
 803
 804     connect(ircChannel, SIGNAL(destroyed(QObject*)),
 805         this, SLOT(ircChannelDestroyed()));
 806     connect(ircChannel, SIGNAL(topicSet(QString)),
 807         this, SLOT(setTopic(QString)));
 808     connect(ircChannel, SIGNAL(encryptedSet(bool)),
 809         this, SLOT(setEncrypted(bool)));
 810     connect(ircChannel, SIGNAL(ircUsersJoined(QList<IrcUser *> )),
 811         this, SLOT(join(QList<IrcUser *> )));
 812     connect(ircChannel, SIGNAL(ircUserParted(IrcUser *)),
 813         this, SLOT(part(IrcUser *)));
 814     connect(ircChannel, SIGNAL(parted()),
 815         this, SLOT(ircChannelParted()));
 816     connect(ircChannel, SIGNAL(ircUserModesSet(IrcUser *, QString)),
 817         this, SLOT(userModeChanged(IrcUser *)));
 818     connect(ircChannel, SIGNAL(ircUserModeAdded(IrcUser *, QString)),
 819         this, SLOT(userModeChanged(IrcUser *)));
 820     connect(ircChannel, SIGNAL(ircUserModeRemoved(IrcUser *, QString)),
 821         this, SLOT(userModeChanged(IrcUser *)));
 822
 823     if (!ircChannel->ircUsers().isEmpty())
 824         join(ircChannel->ircUsers());
 825
 826     emit dataChanged();
 827 }
 828
 829 QString ChannelBufferItem::nickChannelModes(const QString &nick) const
 830 {
 831     if (!_ircChannel) {
 832         qDebug() << Q_FUNC_INFO << "IrcChannel not set, can't get user modes";
 833         return QString();
 834     }
 835
 836     return _ircChannel->userModes(nick);
 837 }
 838
 839
 840 void ChannelBufferItem::ircChannelParted()
 841 {
 842     Q_CHECK_PTR(_ircChannel);
 843     disconnect(_ircChannel, 0, this, 0);
 844     _ircChannel = 0;
 845     emit dataChanged();
 846     removeAllChilds();
 847 }
 848
 849
 850 void ChannelBufferItem::ircChannelDestroyed()
 851 {
 852     if (_ircChannel) {
 853         _ircChannel = 0;
 854         emit dataChanged();
 855         removeAllChilds();
 856     }
 857 }
 858
 859
 860 void ChannelBufferItem::join(const QList<IrcUser *> &ircUsers)
 861 {
 862     addUsersToCategory(ircUsers);
 863     emit dataChanged(2);
 864 }
 865
 866
 867 UserCategoryItem *ChannelBufferItem::findCategoryItem(int categoryId)
 868 {
 869     UserCategoryItem *categoryItem = 0;
 870
 871     for (int i = 0; i < childCount(); i++) {
 872         categoryItem = qobject_cast<UserCategoryItem *>(child(i));
 873         if (!categoryItem)
 874             continue;
 875         if (categoryItem->categoryId() == categoryId)
 876             return categoryItem;
 877     }
 878     return 0;
 879 }
 880
 881
 882 void ChannelBufferItem::addUserToCategory(IrcUser *ircUser)
 883 {
 884     addUsersToCategory(QList<IrcUser *>() << ircUser);
 885 }
 886
 887
 888 void ChannelBufferItem::addUsersToCategory(const QList<IrcUser *> &ircUsers)
 889 {
 890     Q_ASSERT(_ircChannel);
 891
 892     QHash<UserCategoryItem *, QList<IrcUser *> > categories;
 893
 894     int categoryId = -1;
 895     UserCategoryItem *categoryItem = 0;
 896
 897     foreach(IrcUser *ircUser, ircUsers) {
 898         categoryId = UserCategoryItem::categoryFromModes(_ircChannel->userModes(ircUser));
 899         categoryItem = findCategoryItem(categoryId);
 900         if (!categoryItem) {
 901             categoryItem = new UserCategoryItem(categoryId, this);
 902             categories[categoryItem] = QList<IrcUser *>();
 903             newChild(categoryItem);
 904         }
 905         categories[categoryItem] << ircUser;
 906     }
 907
 908     QHash<UserCategoryItem *, QList<IrcUser *> >::const_iterator catIter = categories.constBegin();
 909     while (catIter != categories.constEnd()) {
 910         catIter.key()->addUsers(catIter.value());
 911         ++catIter;
 912     }
 913 }
 914
 915
 916 void ChannelBufferItem::part(IrcUser *ircUser)
 917 {
 918     if (!ircUser) {
 919         qWarning() << bufferName() << "ChannelBufferItem::part(): unknown User" << ircUser;
 920         return;
 921     }
 922
 923     disconnect(ircUser, 0, this, 0);
 924     removeUserFromCategory(ircUser);
 925     emit dataChanged(2);
 926 }
 927
 928
 929 void ChannelBufferItem::removeUserFromCategory(IrcUser *ircUser)
 930 {
 931     if (!_ircChannel) {
 932         // If we parted the channel there might still be some ircUsers connected.
 933         // in that case we just ignore the call
 934         Q_ASSERT(childCount() == 0);
 935         return;
 936     }
 937
 938     UserCategoryItem *categoryItem = 0;
 939     for (int i = 0; i < childCount(); i++) {
 940         categoryItem = qobject_cast<UserCategoryItem *>(child(i));
 941         if (categoryItem->removeUser(ircUser)) {
 942             if (categoryItem->childCount() == 0)
 943                 removeChild(i);
 944             break;
 945         }
 946     }
 947 }
 948
 949
 950 void ChannelBufferItem::userModeChanged(IrcUser *ircUser)
 951 {
 952     Q_ASSERT(_ircChannel);
 953
 954     int categoryId = UserCategoryItem::categoryFromModes(_ircChannel->userModes(ircUser));
 955     UserCategoryItem *categoryItem = findCategoryItem(categoryId);
 956
 957     if (categoryItem) {
 958         if (categoryItem->findIrcUser(ircUser)) {
 959             return; // already in the right category;
 960         }
 961     }
 962     else {
 963         categoryItem = new UserCategoryItem(categoryId, this);
 964         newChild(categoryItem);
 965     }
 966
 967     // find the item that needs reparenting
 968     IrcUserItem *ircUserItem = 0;
 969     for (int i = 0; i < childCount(); i++) {
 970         UserCategoryItem *oldCategoryItem = qobject_cast<UserCategoryItem *>(child(i));
 971         Q_ASSERT(oldCategoryItem);
 972         IrcUserItem *userItem = oldCategoryItem->findIrcUser(ircUser);
 973         if (userItem) {
 974             ircUserItem = userItem;
 975             break;
 976         }
 977     }
 978
 979     if (!ircUserItem) {
 980         qWarning() << "ChannelBufferItem::userModeChanged(IrcUser *): unable to determine old category of" << ircUser;
 981         return;
 982     }
 983     ircUserItem->reParent(categoryItem);
 984 }
 985
 986
 987 /*****************************************
 988 *  User Category Items (like @vh etc.)
 989 *****************************************/
 990 // we hardcode this even though we have PREFIX in network... but that wouldn't help with mapping modes to
 991 // category strings anyway.
 992 const QList<QChar> UserCategoryItem::categories = QList<QChar>() << 'q' << 'a' << 'o' << 'h' << 'v';
 993
 994 UserCategoryItem::UserCategoryItem(int category, AbstractTreeItem *parent)
 995     : PropertyMapItem(QStringList() << "categoryName", parent),
 996     _category(category)
 997 {
 998     setFlags(Qt::ItemIsEnabled);
 999     setTreeItemFlags(AbstractTreeItem::DeleteOnLastChildRemoved);
1000     setObjectName(parent->data(0, Qt::DisplayRole).toString() + "/" + QString::number(category));
1001 }
1002
1003
1004 // caching this makes no sense, since we display the user number dynamically
1005 QString UserCategoryItem::categoryName() const
1006 {
1007     int n = childCount();
1008     switch (_category) {
1009     case 0:
1010         return tr("%n Owner(s)", 0, n);
1011     case 1:
1012         return tr("%n Admin(s)", 0, n);
1013     case 2:
1014         return tr("%n Operator(s)", 0, n);
1015     case 3:
1016         return tr("%n Half-Op(s)", 0, n);
1017     case 4:
1018         return tr("%n Voiced", 0, n);
1019     default:
1020         return tr("%n User(s)", 0, n);
1021     }
1022 }
1023
1024
1025 IrcUserItem *UserCategoryItem::findIrcUser(IrcUser *ircUser)
1026 {
1027     IrcUserItem *userItem = 0;
1028
1029     for (int i = 0; i < childCount(); i++) {
1030         userItem = qobject_cast<IrcUserItem *>(child(i));
1031         if (!userItem)
1032             continue;
1033         if (userItem->ircUser() == ircUser)
1034             return userItem;
1035     }
1036     return 0;
1037 }
1038
1039
1040 void UserCategoryItem::addUsers(const QList<IrcUser *> &ircUsers)
1041 {
1042     QList<AbstractTreeItem *> userItems;
1043     foreach(IrcUser *ircUser, ircUsers)
1044     userItems << new IrcUserItem(ircUser, this);
1045     newChilds(userItems);
1046     emit dataChanged(0);
1047 }
1048
1049
1050 bool UserCategoryItem::removeUser(IrcUser *ircUser)
1051 {
1052     IrcUserItem *userItem = findIrcUser(ircUser);
1053     bool success = (bool)userItem;
1054     if (success) {
1055         removeChild(userItem);
1056         emit dataChanged(0);
1057     }
1058     return success;
1059 }
1060
1061
1062 int UserCategoryItem::categoryFromModes(const QString &modes)
1063 {
1064     for (int i = 0; i < categories.count(); i++) {
1065         if (modes.contains(categories[i]))
1066             return i;
1067     }
1068     return categories.count();
1069 }
1070
1071
1072 QVariant UserCategoryItem::data(int column, int role) const
1073 {
1074     switch (role) {
1075     case TreeModel::SortRole:
1076         return _category;
1077     case NetworkModel::ItemActiveRole:
1078         return true;
1079     case NetworkModel::ItemTypeRole:
1080         return NetworkModel::UserCategoryItemType;
1081     case NetworkModel::BufferIdRole:
1082         return parent()->data(column, role);
1083     case NetworkModel::NetworkIdRole:
1084         return parent()->data(column, role);
1085     case NetworkModel::BufferInfoRole:
1086         return parent()->data(column, role);
1087     default:
1088         return PropertyMapItem::data(column, role);
1089     }
1090 }
1091
1092
1093 /*****************************************
1094 *  Irc User Items
1095 *****************************************/
1096 IrcUserItem::IrcUserItem(IrcUser *ircUser, AbstractTreeItem *parent)
1097     : PropertyMapItem(QStringList() << "nickName", parent),
1098     _ircUser(ircUser)
1099 {
1100     setObjectName(ircUser->nick());
1101     connect(ircUser, SIGNAL(quited()), this, SLOT(ircUserQuited()));
1102     connect(ircUser, SIGNAL(nickSet(QString)), this, SIGNAL(dataChanged()));
1103     connect(ircUser, SIGNAL(awaySet(bool)), this, SIGNAL(dataChanged()));
1104 }
1105
1106
1107 QVariant IrcUserItem::data(int column, int role) const
1108 {
1109     switch (role) {
1110     case NetworkModel::ItemActiveRole:
1111         return isActive();
1112     case NetworkModel::ItemTypeRole:
1113         return NetworkModel::IrcUserItemType;
1114     case NetworkModel::BufferIdRole:
1115         return parent()->data(column, role);
1116     case NetworkModel::NetworkIdRole:
1117         return parent()->data(column, role);
1118     case NetworkModel::BufferInfoRole:
1119         return parent()->data(column, role);
1120     case NetworkModel::IrcChannelRole:
1121         return parent()->data(column, role);
1122     case NetworkModel::IrcUserRole:
1123         return QVariant::fromValue<QObject *>(_ircUser.data());
1124     case NetworkModel::UserAwayRole:
1125         return (bool)_ircUser ? _ircUser->isAway() : false;
1126     default:
1127         return PropertyMapItem::data(column, role);
1128     }
1129 }
1130
1131
1132 QString IrcUserItem::toolTip(int column) const
1133 {
1134     Q_UNUSED(column);
1135     QString strTooltip;
1136     QTextStream tooltip( &strTooltip, QIODevice::WriteOnly );
1137     tooltip << "<qt><style>.bold { font-weight: bold; } .italic { font-style: italic; }</style>";
1138
1139     // Keep track of whether or not information has been added
1140     bool infoAdded = false;
1141
1142     // Use bufferName() for QueryBufferItem, nickName() for IrcUserItem
1143     tooltip << "<p class='bold' align='center'>" << NetworkItem::escapeHTML(nickName(), true);
1144     if (_ircUser->userModes() != "") {
1145         //TODO: Translate user Modes and add them to the table below and in QueryBufferItem::toolTip
1146         tooltip << " (" << _ircUser->userModes() << ")";
1147     }
1148     tooltip << "</p>";
1149
1150     auto addRow = [&](const QString& key, const QString& value, bool condition) {
1151         if (condition)
1152         {
1153             tooltip << "<tr><td class='bold' align='right'>" << key << "</td><td>" << value << "</td></tr>";
1154             infoAdded = true;
1155         }
1156     };
1157
1158     tooltip << "<table cellspacing='5' cellpadding='0'>";
1159     addRow(tr("Modes"),
1160            NetworkItem::escapeHTML(channelModes()),
1161            !channelModes().isEmpty());
1162     if (_ircUser->isAway()) {
1163         QString awayMessageHTML = QString("<p class='italic'>%1</p>").arg(tr("Unknown"));
1164
1165         // If away message is known, replace with the escaped message.
1166         if (!_ircUser->awayMessage().isEmpty()) {
1167             awayMessageHTML = NetworkItem::escapeHTML(_ircUser->awayMessage());
1168         }
1169         addRow(NetworkItem::escapeHTML(tr("Away message"), true), awayMessageHTML, true);
1170     }
1171     addRow(tr("Realname"),
1172            NetworkItem::escapeHTML(_ircUser->realName()),
1173            !_ircUser->realName().isEmpty());
1174
1175     // suserHost may return "<nick> is available for help", which should be translated.
1176     // See https://www.alien.net.au/irc/irc2numerics.html
1177     if(_ircUser->suserHost().endsWith("available for help")) {
1178         addRow(NetworkItem::escapeHTML(tr("Help status"), true),
1179                NetworkItem::escapeHTML(tr("Available for help")),
1180                true);
1181     } else {
1182         addRow(NetworkItem::escapeHTML(tr("Service status"), true),
1183                NetworkItem::escapeHTML(_ircUser->suserHost()),
1184                !_ircUser->suserHost().isEmpty());
1185     }
1186
1187     // Keep track of whether or not the account information's been added.  Don't show it twice.
1188     bool accountAdded = false;
1189     if(!_ircUser->account().isEmpty()) {
1190         // IRCv3 account-notify is supported by the core and IRC server.
1191         // Assume logged out (seems to be more common)
1192         QString accountHTML = QString("<p class='italic'>%1</p>").arg(tr("Not logged in"));
1193
1194         // If account is logged in, replace with the escaped account name.
1195         if (_ircUser->account() != "*") {
1196             accountHTML = NetworkItem::escapeHTML(_ircUser->account());
1197         }
1198         addRow(NetworkItem::escapeHTML(tr("Account"), true),
1199                accountHTML,
1200                true);
1201         // Mark the row as added
1202         accountAdded = true;
1203     }
1204     // whoisServiceReply may return "<nick> is identified for this nick", which should be translated.
1205     // See https://www.alien.net.au/irc/irc2numerics.html
1206     if(_ircUser->whoisServiceReply().endsWith("identified for this nick")) {
1207         addRow(NetworkItem::escapeHTML(tr("Account"), true),
1208                NetworkItem::escapeHTML(tr("Identified for this nick")),
1209                !accountAdded);
1210         // Don't add the account row again if information's already added via account-notify
1211         // Mark the row as added
1212         accountAdded = true;
1213     } else {
1214         addRow(NetworkItem::escapeHTML(tr("Service Reply"), true),
1215                NetworkItem::escapeHTML(_ircUser->whoisServiceReply()),
1216                !_ircUser->whoisServiceReply().isEmpty());
1217     }
1218     addRow(tr("Hostmask"),
1219            NetworkItem::escapeHTML(_ircUser->hostmask().remove(0, _ircUser->hostmask().indexOf("!") + 1)),
1220            !(_ircUser->hostmask().remove(0, _ircUser->hostmask().indexOf("!") + 1) == "@"));
1221     // ircOperator may contain "is an" or "is a", which should be removed.
1222     addRow(tr("Operator"),
1223            NetworkItem::escapeHTML(_ircUser->ircOperator().replace("is an ", "").replace("is a ", "")),
1224            !_ircUser->ircOperator().isEmpty());
1225
1226     if (_ircUser->idleTime().isValid()) {
1227         QDateTime now = QDateTime::currentDateTime();
1228         QDateTime idle = _ircUser->idleTime();
1229         int idleTime = idle.secsTo(now);
1230         addRow(NetworkItem::escapeHTML(tr("Idling since"), true), secondsToString(idleTime), true);
1231     }
1232
1233     if (_ircUser->loginTime().isValid()) {
1234         addRow(NetworkItem::escapeHTML(tr("Login time"), true), _ircUser->loginTime().toString(), true);
1235     }
1236
1237     addRow(tr("Server"), NetworkItem::escapeHTML(_ircUser->server()), !_ircUser->server().isEmpty());
1238     tooltip << "</table>";
1239
1240     // If no further information found, offer an explanatory message
1241     if (!infoAdded)
1242         tooltip << "<p class='italic' align='center'>" << tr("No information available") << "</p>";
1243
1244     tooltip << "</qt>";
1245     return strTooltip;
1246 }
1247
1248 QString IrcUserItem::channelModes() const
1249 {
1250     // IrcUserItems are parented to UserCategoryItem, which are parented to ChannelBufferItem.
1251     // We want the channel buffer item in order to get the channel-specific user modes.
1252     UserCategoryItem *category = qobject_cast<UserCategoryItem *>(parent());
1253     if (!category)
1254         return QString();
1255
1256     ChannelBufferItem *channel = qobject_cast<ChannelBufferItem *>(category->parent());
1257     if (!channel)
1258         return QString();
1259
1260     return channel->nickChannelModes(nickName());
1261 }
1262
1263
1264 /*****************************************
1265  * NetworkModel
1266  *****************************************/
1267 NetworkModel::NetworkModel(QObject *parent)
1268     : TreeModel(NetworkModel::defaultHeader(), parent)
1269 {
1270     connect(this, SIGNAL(rowsInserted(const QModelIndex &, int, int)),
1271         this, SLOT(checkForNewBuffers(const QModelIndex &, int, int)));
1272     connect(this, SIGNAL(rowsAboutToBeRemoved(const QModelIndex &, int, int)),
1273         this, SLOT(checkForRemovedBuffers(const QModelIndex &, int, int)));
1274
1275     BufferSettings defaultSettings;
1276     defaultSettings.notify("UserNoticesTarget", this, SLOT(messageRedirectionSettingsChanged()));
1277     defaultSettings.notify("ServerNoticesTarget", this, SLOT(messageRedirectionSettingsChanged()));
1278     defaultSettings.notify("ErrorMsgsTarget", this, SLOT(messageRedirectionSettingsChanged()));
1279     messageRedirectionSettingsChanged();
1280 }
1281
1282
1283 QList<QVariant> NetworkModel::defaultHeader()
1284 {
1285     QList<QVariant> data;
1286     data << tr("Chat") << tr("Topic") << tr("Nick Count");
1287     return data;
1288 }
1289
1290
1291 bool NetworkModel::isBufferIndex(const QModelIndex &index) const
1292 {
1293     return index.data(NetworkModel::ItemTypeRole) == NetworkModel::BufferItemType;
1294 }
1295
1296
1297 int NetworkModel::networkRow(NetworkId networkId) const
1298 {
1299     NetworkItem *netItem = 0;
1300     for (int i = 0; i < rootItem->childCount(); i++) {
1301         netItem = qobject_cast<NetworkItem *>(rootItem->child(i));
1302         if (!netItem)
1303             continue;
1304         if (netItem->networkId() == networkId)
1305             return i;
1306     }
1307     return -1;
1308 }
1309
1310
1311 QModelIndex NetworkModel::networkIndex(NetworkId networkId)
1312 {
1313     int netRow = networkRow(networkId);
1314     if (netRow == -1)
1315         return QModelIndex();
1316     else
1317         return indexByItem(qobject_cast<NetworkItem *>(rootItem->child(netRow)));
1318 }
1319
1320
1321 NetworkItem *NetworkModel::findNetworkItem(NetworkId networkId) const
1322 {
1323     int netRow = networkRow(networkId);
1324     if (netRow == -1)
1325         return 0;
1326     else
1327         return qobject_cast<NetworkItem *>(rootItem->child(netRow));
1328 }
1329
1330
1331 NetworkItem *NetworkModel::networkItem(NetworkId networkId)
1332 {
1333     NetworkItem *netItem = findNetworkItem(networkId);
1334
1335     if (netItem == 0) {
1336         netItem = new NetworkItem(networkId, rootItem);
1337         rootItem->newChild(netItem);
1338     }
1339     return netItem;
1340 }
1341
1342
1343 void NetworkModel::networkRemoved(const NetworkId &networkId)
1344 {
1345     int netRow = networkRow(networkId);
1346     if (netRow != -1) {
1347         rootItem->removeChild(netRow);
1348     }
1349 }
1350
1351
1352 QModelIndex NetworkModel::bufferIndex(BufferId bufferId)
1353 {
1354     if (!_bufferItemCache.contains(bufferId))
1355         return QModelIndex();
1356
1357     return indexByItem(_bufferItemCache[bufferId]);
1358 }
1359
1360
1361 BufferItem *NetworkModel::findBufferItem(BufferId bufferId) const
1362 {
1363     if (_bufferItemCache.contains(bufferId))
1364         return _bufferItemCache[bufferId];
1365     else
1366         return 0;
1367 }
1368
1369
1370 BufferItem *NetworkModel::bufferItem(const BufferInfo &bufferInfo)
1371 {
1372     if (_bufferItemCache.contains(bufferInfo.bufferId()))
1373         return _bufferItemCache[bufferInfo.bufferId()];
1374
1375     NetworkItem *netItem = networkItem(bufferInfo.networkId());
1376     return netItem->bufferItem(bufferInfo);
1377 }
1378
1379
1380 QStringList NetworkModel::mimeTypes() const
1381 {
1382     // mimetypes we accept for drops
1383     QStringList types;
1384     // comma separated list of colon separated pairs of networkid and bufferid
1385     // example: 0:1,0:2,1:4
1386     types << "application/Quassel/BufferItemList";
1387     return types;
1388 }
1389
1390
1391 bool NetworkModel::mimeContainsBufferList(const QMimeData *mimeData)
1392 {
1393     return mimeData->hasFormat("application/Quassel/BufferItemList");
1394 }
1395
1396
1397 QList<QPair<NetworkId, BufferId> > NetworkModel::mimeDataToBufferList(const QMimeData *mimeData)
1398 {
1399     QList<QPair<NetworkId, BufferId> > bufferList;
1400
1401     if (!mimeContainsBufferList(mimeData))
1402         return bufferList;
1403
1404     QStringList rawBufferList = QString::fromLatin1(mimeData->data("application/Quassel/BufferItemList")).split(",");
1405     NetworkId networkId;
1406     BufferId bufferUid;
1407     foreach(QString rawBuffer, rawBufferList) {
1408         if (!rawBuffer.contains(":"))
1409             continue;
1410         networkId = rawBuffer.section(":", 0, 0).toInt();
1411         bufferUid = rawBuffer.section(":", 1, 1).toInt();
1412         bufferList.append(qMakePair(networkId, bufferUid));
1413     }
1414     return bufferList;
1415 }
1416
1417
1418 QMimeData *NetworkModel::mimeData(const QModelIndexList &indexes) const
1419 {
1420     QMimeData *mimeData = new QMimeData();
1421
1422     QStringList bufferlist;
1423     QString netid, uid, bufferid;
1424     foreach(QModelIndex index, indexes) {
1425         netid = QString::number(index.data(NetworkIdRole).value<NetworkId>().toInt());
1426         uid = QString::number(index.data(BufferIdRole).value<BufferId>().toInt());
1427         bufferid = QString("%1:%2").arg(netid).arg(uid);
1428         if (!bufferlist.contains(bufferid))
1429             bufferlist << bufferid;
1430     }
1431
1432     mimeData->setData("application/Quassel/BufferItemList", bufferlist.join(",").toLatin1());
1433
1434     return mimeData;
1435 }
1436
1437
1438 void NetworkModel::attachNetwork(Network *net)
1439 {
1440     NetworkItem *netItem = networkItem(net->networkId());
1441     netItem->attachNetwork(net);
1442 }
1443
1444
1445 void NetworkModel::bufferUpdated(BufferInfo bufferInfo)
1446 {
1447     BufferItem *bufItem = bufferItem(bufferInfo);
1448     QModelIndex itemindex = indexByItem(bufItem);
1449     emit dataChanged(itemindex, itemindex);
1450 }
1451
1452
1453 void NetworkModel::removeBuffer(BufferId bufferId)
1454 {
1455     BufferItem *buffItem = findBufferItem(bufferId);
1456     if (!buffItem)
1457         return;
1458
1459     buffItem->parent()->removeChild(buffItem);
1460 }
1461
1462
1463 MsgId NetworkModel::lastSeenMsgId(BufferId bufferId) const
1464 {
1465     if (!_bufferItemCache.contains(bufferId))
1466         return MsgId();
1467
1468     return _bufferItemCache[bufferId]->lastSeenMsgId();
1469 }
1470
1471
1472 MsgId NetworkModel::markerLineMsgId(BufferId bufferId) const
1473 {
1474     if (!_bufferItemCache.contains(bufferId))
1475         return MsgId();
1476
1477     return _bufferItemCache[bufferId]->markerLineMsgId();
1478 }
1479
1480
1481 // FIXME we always seem to use this (expensive) non-const version
1482 MsgId NetworkModel::lastSeenMsgId(const BufferId &bufferId)
1483 {
1484     BufferItem *bufferItem = findBufferItem(bufferId);
1485     if (!bufferItem) {
1486         qDebug() << "NetworkModel::lastSeenMsgId(): buffer is unknown:" << bufferId;
1487         Client::purgeKnownBufferIds();
1488         return MsgId();
1489     }
1490     return bufferItem->lastSeenMsgId();
1491 }
1492
1493
1494 void NetworkModel::setLastSeenMsgId(const BufferId &bufferId, const MsgId &msgId)
1495 {
1496     BufferItem *bufferItem = findBufferItem(bufferId);
1497     if (!bufferItem) {
1498         qDebug() << "NetworkModel::setLastSeenMsgId(): buffer is unknown:" << bufferId;
1499         Client::purgeKnownBufferIds();
1500         return;
1501     }
1502     bufferItem->setLastSeenMsgId(msgId);
1503     emit lastSeenMsgSet(bufferId, msgId);
1504 }
1505
1506
1507 void NetworkModel::setMarkerLineMsgId(const BufferId &bufferId, const MsgId &msgId)
1508 {
1509     BufferItem *bufferItem = findBufferItem(bufferId);
1510     if (!bufferItem) {
1511         qDebug() << "NetworkModel::setMarkerLineMsgId(): buffer is unknown:" << bufferId;
1512         Client::purgeKnownBufferIds();
1513         return;
1514     }
1515     bufferItem->setMarkerLineMsgId(msgId);
1516     emit markerLineSet(bufferId, msgId);
1517 }
1518
1519
1520 void NetworkModel::updateBufferActivity(Message &msg)
1521 {
1522     int redirectionTarget = 0;
1523     switch (msg.type()) {
1524     case Message::Notice:
1525         if (bufferType(msg.bufferId()) != BufferInfo::ChannelBuffer) {
1526             msg.setFlags(msg.flags() | Message::Redirected);
1527             if (msg.flags() & Message::ServerMsg) {
1528                 // server notice
1529                 redirectionTarget = _serverNoticesTarget;
1530             }
1531             else {
1532                 redirectionTarget = _userNoticesTarget;
1533             }
1534         }
1535         break;
1536     case Message::Error:
1537         msg.setFlags(msg.flags() | Message::Redirected);
1538         redirectionTarget = _errorMsgsTarget;
1539         break;
1540     // Update IrcUser's last activity
1541     case Message::Plain:
1542     case Message::Action:
1543         if (bufferType(msg.bufferId()) == BufferInfo::ChannelBuffer) {
1544             const Network *net = Client::network(msg.bufferInfo().networkId());
1545             IrcUser *user = net ? net->ircUser(nickFromMask(msg.sender())) : 0;
1546             if (user)
1547                 user->setLastChannelActivity(msg.bufferId(), msg.timestamp());
1548         }
1549         break;
1550     default:
1551         break;
1552     }
1553
1554     if (msg.flags() & Message::Redirected) {
1555         if (redirectionTarget & BufferSettings::DefaultBuffer)
1556             updateBufferActivity(bufferItem(msg.bufferInfo()), msg);
1557
1558         if (redirectionTarget & BufferSettings::StatusBuffer) {
1559             const NetworkItem *netItem = findNetworkItem(msg.bufferInfo().networkId());
1560             if (netItem) {
1561                 updateBufferActivity(netItem->statusBufferItem(), msg);
1562             }
1563         }
1564     }
1565     else {
1566         if ((BufferSettings(msg.bufferId()).messageFilter() & msg.type()) != msg.type())
1567             updateBufferActivity(bufferItem(msg.bufferInfo()), msg);
1568     }
1569 }
1570
1571
1572 void NetworkModel::updateBufferActivity(BufferItem *bufferItem, const Message &msg)
1573 {
1574     if (!bufferItem)
1575         return;
1576
1577     bufferItem->updateActivityLevel(msg);
1578     if (bufferItem->isCurrentBuffer())
1579         emit requestSetLastSeenMsg(bufferItem->bufferId(), msg.msgId());
1580 }
1581
1582
1583 void NetworkModel::setBufferActivity(const BufferId &bufferId, BufferInfo::ActivityLevel level)
1584 {
1585     BufferItem *bufferItem = findBufferItem(bufferId);
1586     if (!bufferItem) {
1587         qDebug() << "NetworkModel::setBufferActivity(): buffer is unknown:" << bufferId;
1588         return;
1589     }
1590     bufferItem->setActivityLevel(level);
1591 }
1592
1593
1594 void NetworkModel::clearBufferActivity(const BufferId &bufferId)
1595 {
1596     BufferItem *bufferItem = findBufferItem(bufferId);
1597     if (!bufferItem) {
1598         qDebug() << "NetworkModel::clearBufferActivity(): buffer is unknown:" << bufferId;
1599         return;
1600     }
1601     bufferItem->clearActivityLevel();
1602 }
1603
1604
1605 const Network *NetworkModel::networkByIndex(const QModelIndex &index) const
1606 {
1607     QVariant netVariant = index.data(NetworkIdRole);
1608     if (!netVariant.isValid())
1609         return 0;
1610
1611     NetworkId networkId = netVariant.value<NetworkId>();
1612     return Client::network(networkId);
1613 }
1614
1615
1616 void NetworkModel::checkForRemovedBuffers(const QModelIndex &parent, int start, int end)
1617 {
1618     if (parent.data(ItemTypeRole) != NetworkItemType)
1619         return;
1620
1621     for (int row = start; row <= end; row++) {
1622         _bufferItemCache.remove(parent.child(row, 0).data(BufferIdRole).value<BufferId>());
1623     }
1624 }
1625
1626
1627 void NetworkModel::checkForNewBuffers(const QModelIndex &parent, int start, int end)
1628 {
1629     if (parent.data(ItemTypeRole) != NetworkItemType)
1630         return;
1631
1632     for (int row = start; row <= end; row++) {
1633         QModelIndex child = parent.child(row, 0);
1634         _bufferItemCache[child.data(BufferIdRole).value < BufferId > ()] = static_cast<BufferItem *>(child.internalPointer());
1635     }
1636 }
1637
1638
1639 QString NetworkModel::bufferName(BufferId bufferId) const
1640 {
1641     if (!_bufferItemCache.contains(bufferId))
1642         return QString();
1643
1644     return _bufferItemCache[bufferId]->bufferName();
1645 }
1646
1647
1648 BufferInfo::Type NetworkModel::bufferType(BufferId bufferId) const
1649 {
1650     if (!_bufferItemCache.contains(bufferId))
1651         return BufferInfo::InvalidBuffer;
1652
1653     return _bufferItemCache[bufferId]->bufferType();
1654 }
1655
1656
1657 BufferInfo NetworkModel::bufferInfo(BufferId bufferId) const
1658 {
1659     if (!_bufferItemCache.contains(bufferId))
1660         return BufferInfo();
1661
1662     return _bufferItemCache[bufferId]->bufferInfo();
1663 }
1664
1665
1666 NetworkId NetworkModel::networkId(BufferId bufferId) const
1667 {
1668     if (!_bufferItemCache.contains(bufferId))
1669         return NetworkId();
1670
1671     NetworkItem *netItem = qobject_cast<NetworkItem *>(_bufferItemCache[bufferId]->parent());
1672     if (netItem)
1673         return netItem->networkId();
1674     else
1675         return NetworkId();
1676 }
1677
1678
1679 QString NetworkModel::networkName(BufferId bufferId) const
1680 {
1681     if (!_bufferItemCache.contains(bufferId))
1682         return QString();
1683
1684     NetworkItem *netItem = qobject_cast<NetworkItem *>(_bufferItemCache[bufferId]->parent());
1685     if (netItem)
1686         return netItem->networkName();
1687     else
1688         return QString();
1689 }
1690
1691
1692 BufferId NetworkModel::bufferId(NetworkId networkId, const QString &bufferName, Qt::CaseSensitivity cs) const
1693 {
1694     const NetworkItem *netItem = findNetworkItem(networkId);
1695     if (!netItem)
1696         return BufferId();
1697
1698     for (int i = 0; i < netItem->childCount(); i++) {
1699         BufferItem *bufferItem = qobject_cast<BufferItem *>(netItem->child(i));
1700         if (bufferItem && !bufferItem->bufferName().compare(bufferName, cs))
1701             return bufferItem->bufferId();
1702     }
1703     return BufferId();
1704 }
1705
1706
1707 void NetworkModel::sortBufferIds(QList<BufferId> &bufferIds) const
1708 {
1709     QList<BufferItem *> bufferItems;
1710     foreach(BufferId bufferId, bufferIds) {
1711         if (_bufferItemCache.contains(bufferId))
1712             bufferItems << _bufferItemCache[bufferId];
1713     }
1714
1715     qSort(bufferItems.begin(), bufferItems.end(), bufferItemLessThan);
1716
1717     bufferIds.clear();
1718     foreach(BufferItem *bufferItem, bufferItems) {
1719         bufferIds << bufferItem->bufferId();
1720     }
1721 }
1722
1723
1724 QList<BufferId> NetworkModel::allBufferIdsSorted() const
1725 {
1726     QList<BufferId> bufferIds = allBufferIds();
1727     sortBufferIds(bufferIds);
1728     return bufferIds;
1729 }
1730
1731
1732 bool NetworkModel::bufferItemLessThan(const BufferItem *left, const BufferItem *right)
1733 {
1734     int leftType = left->bufferType();
1735     int rightType = right->bufferType();
1736
1737     if (leftType != rightType)
1738         return leftType < rightType;
1739     else
1740         return QString::compare(left->bufferName(), right->bufferName(), Qt::CaseInsensitive) < 0;
1741 }
1742
1743
1744 void NetworkModel::messageRedirectionSettingsChanged()
1745 {
1746     BufferSettings bufferSettings;
1747
1748     _userNoticesTarget = bufferSettings.userNoticesTarget();
1749     _serverNoticesTarget = bufferSettings.serverNoticesTarget();
1750     _errorMsgsTarget = bufferSettings.errorMsgsTarget();
1751 }
1752
1753 void NetworkModel::bufferActivityChanged(BufferId bufferId, const Message::Types activity) {
1754     auto _bufferItem = findBufferItem(bufferId);
1755     if (!_bufferItem) {
1756         qDebug() << "NetworkModel::bufferActivityChanged(): buffer is unknown:" << bufferId;
1757         return;
1758     }
1759     auto hiddenTypes = BufferSettings(bufferId).messageFilter();
1760     auto visibleTypes = ~hiddenTypes;
1761     auto activityVisibleTypesIntersection = activity & visibleTypes;
1762     _bufferItem->setActivity(activityVisibleTypesIntersection, false);
1763 }
1764
1765 void NetworkModel::highlightCountChanged(BufferId bufferId, int count) {
1766     auto _bufferItem = findBufferItem(bufferId);
1767     if (!_bufferItem) {
1768         qDebug() << "NetworkModel::highlightCountChanged(): buffer is unknown:" << bufferId;
1769         return;
1770     }
1771     _bufferItem->addActivity(Message::Types{}, count > 0);
1772 }