src/gui/transferlistmodel.cpp

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
   4  * Copyright (C) 2010  Christophe Dumez <chris@qbittorrent.org>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19  *
  20  * In addition, as a special exception, the copyright holders give permission to
  21  * link this program with the OpenSSL project's "OpenSSL" library (or with
  22  * modified versions of it that use the same license as the "OpenSSL" library),
  23  * and distribute the linked executables. You must obey the GNU General Public
  24  * License in all respects for all of the code used other than "OpenSSL".  If you
  25  * modify file(s), you may extend this exception to your version of the file(s),
  26  * but you are not obligated to do so. If you do not wish to do so, delete this
  27  * exception statement from your version.
  28  */
  29
  30 #include "transferlistmodel.h"
  31
  32 #include <QApplication>
  33 #include <QDateTime>
  34 #include <QDebug>
  35
  36 #include "base/bittorrent/infohash.h"
  37 #include "base/bittorrent/session.h"
  38 #include "base/bittorrent/torrent.h"
  39 #include "base/global.h"
  40 #include "base/preferences.h"
  41 #include "base/types.h"
  42 #include "base/unicodestrings.h"
  43 #include "base/utils/fs.h"
  44 #include "base/utils/misc.h"
  45 #include "base/utils/string.h"
  46 #include "uithememanager.h"
  47
  48 namespace
  49 {
  50     QHash<BitTorrent::TorrentState, QColor> torrentStateColorsFromUITheme()
  51     {
  52         struct TorrentStateColorDescriptor
  53         {
  54             const BitTorrent::TorrentState state;
  55             const QString id;
  56         };
  57
  58         const TorrentStateColorDescriptor colorDescriptors[] =
  59         {
  60             {BitTorrent::TorrentState::Downloading, u"TransferList.Downloading"_s},
  61             {BitTorrent::TorrentState::StalledDownloading, u"TransferList.StalledDownloading"_s},
  62             {BitTorrent::TorrentState::DownloadingMetadata, u"TransferList.DownloadingMetadata"_s},
  63             {BitTorrent::TorrentState::ForcedDownloadingMetadata, u"TransferList.ForcedDownloadingMetadata"_s},
  64             {BitTorrent::TorrentState::ForcedDownloading, u"TransferList.ForcedDownloading"_s},
  65             {BitTorrent::TorrentState::Uploading, u"TransferList.Uploading"_s},
  66             {BitTorrent::TorrentState::StalledUploading, u"TransferList.StalledUploading"_s},
  67             {BitTorrent::TorrentState::ForcedUploading, u"TransferList.ForcedUploading"_s},
  68             {BitTorrent::TorrentState::QueuedDownloading, u"TransferList.QueuedDownloading"_s},
  69             {BitTorrent::TorrentState::QueuedUploading, u"TransferList.QueuedUploading"_s},
  70             {BitTorrent::TorrentState::CheckingDownloading, u"TransferList.CheckingDownloading"_s},
  71             {BitTorrent::TorrentState::CheckingUploading, u"TransferList.CheckingUploading"_s},
  72             {BitTorrent::TorrentState::CheckingResumeData, u"TransferList.CheckingResumeData"_s},
  73             {BitTorrent::TorrentState::PausedDownloading, u"TransferList.PausedDownloading"_s},
  74             {BitTorrent::TorrentState::PausedUploading, u"TransferList.PausedUploading"_s},
  75             {BitTorrent::TorrentState::Moving, u"TransferList.Moving"_s},
  76             {BitTorrent::TorrentState::MissingFiles, u"TransferList.MissingFiles"_s},
  77             {BitTorrent::TorrentState::Error, u"TransferList.Error"_s}
  78         };
  79
  80         QHash<BitTorrent::TorrentState, QColor> colors;
  81         for (const TorrentStateColorDescriptor &colorDescriptor : colorDescriptors)
  82         {
  83             const QColor themeColor = UIThemeManager::instance()->getColor(colorDescriptor.id);
  84             colors.insert(colorDescriptor.state, themeColor);
  85         }
  86         return colors;
  87     }
  88 }
  89
  90 // TransferListModel
  91
  92 TransferListModel::TransferListModel(QObject *parent)
  93     : QAbstractListModel {parent}
  94     , m_statusStrings
  95     {
  96           {BitTorrent::TorrentState::Downloading, tr("Downloading")},
  97           {BitTorrent::TorrentState::StalledDownloading, tr("Stalled", "Torrent is waiting for download to begin")},
  98           {BitTorrent::TorrentState::DownloadingMetadata, tr("Downloading metadata", "Used when loading a magnet link")},
  99           {BitTorrent::TorrentState::ForcedDownloadingMetadata, tr("[F] Downloading metadata", "Used when forced to load a magnet link. You probably shouldn't translate the F.")},
 100           {BitTorrent::TorrentState::ForcedDownloading, tr("[F] Downloading", "Used when the torrent is forced started. You probably shouldn't translate the F.")},
 101           {BitTorrent::TorrentState::Uploading, tr("Seeding", "Torrent is complete and in upload-only mode")},
 102           {BitTorrent::TorrentState::StalledUploading, tr("Seeding", "Torrent is complete and in upload-only mode")},
 103           {BitTorrent::TorrentState::ForcedUploading, tr("[F] Seeding", "Used when the torrent is forced started. You probably shouldn't translate the F.")},
 104           {BitTorrent::TorrentState::QueuedDownloading, tr("Queued", "Torrent is queued")},
 105           {BitTorrent::TorrentState::QueuedUploading, tr("Queued", "Torrent is queued")},
 106           {BitTorrent::TorrentState::CheckingDownloading, tr("Checking", "Torrent local data is being checked")},
 107           {BitTorrent::TorrentState::CheckingUploading, tr("Checking", "Torrent local data is being checked")},
 108           {BitTorrent::TorrentState::CheckingResumeData, tr("Checking resume data", "Used when loading the torrents from disk after qbt is launched. It checks the correctness of the .fastresume file. Normally it is completed in a fraction of a second, unless loading many many torrents.")},
 109           {BitTorrent::TorrentState::PausedDownloading, tr("Paused")},
 110           {BitTorrent::TorrentState::PausedUploading, tr("Completed")},
 111           {BitTorrent::TorrentState::Moving, tr("Moving", "Torrent local data are being moved/relocated")},
 112           {BitTorrent::TorrentState::MissingFiles, tr("Missing Files")},
 113           {BitTorrent::TorrentState::Error, tr("Errored", "Torrent status, the torrent has an error")}
 114     }
 115     , m_stateThemeColors {torrentStateColorsFromUITheme()}
 116     , m_checkingIcon {UIThemeManager::instance()->getIcon(u"force-recheck"_s, u"checking"_s)}
 117     , m_completedIcon {UIThemeManager::instance()->getIcon(u"checked-completed"_s, u"completed"_s)}
 118     , m_downloadingIcon {UIThemeManager::instance()->getIcon(u"downloading"_s)}
 119     , m_errorIcon {UIThemeManager::instance()->getIcon(u"error"_s)}
 120     , m_movingIcon {UIThemeManager::instance()->getIcon(u"set-location"_s)}
 121     , m_pausedIcon {UIThemeManager::instance()->getIcon(u"stopped"_s, u"media-playback-pause"_s)}
 122     , m_queuedIcon {UIThemeManager::instance()->getIcon(u"queued"_s)}
 123     , m_stalledDLIcon {UIThemeManager::instance()->getIcon(u"stalledDL"_s)}
 124     , m_stalledUPIcon {UIThemeManager::instance()->getIcon(u"stalledUP"_s)}
 125     , m_uploadingIcon {UIThemeManager::instance()->getIcon(u"upload"_s, u"uploading"_s)}
 126 {
 127     configure();
 128     connect(Preferences::instance(), &Preferences::changed, this, &TransferListModel::configure);
 129
 130     // Load the torrents
 131     using namespace BitTorrent;
 132     addTorrents(Session::instance()->torrents());
 133
 134     // Listen for torrent changes
 135     connect(Session::instance(), &Session::torrentsLoaded, this, &TransferListModel::addTorrents);
 136     connect(Session::instance(), &Session::torrentAboutToBeRemoved, this, &TransferListModel::handleTorrentAboutToBeRemoved);
 137     connect(Session::instance(), &Session::torrentsUpdated, this, &TransferListModel::handleTorrentsUpdated);
 138
 139     connect(Session::instance(), &Session::torrentFinished, this, &TransferListModel::handleTorrentStatusUpdated);
 140     connect(Session::instance(), &Session::torrentMetadataReceived, this, &TransferListModel::handleTorrentStatusUpdated);
 141     connect(Session::instance(), &Session::torrentResumed, this, &TransferListModel::handleTorrentStatusUpdated);
 142     connect(Session::instance(), &Session::torrentPaused, this, &TransferListModel::handleTorrentStatusUpdated);
 143     connect(Session::instance(), &Session::torrentFinishedChecking, this, &TransferListModel::handleTorrentStatusUpdated);
 144 }
 145
 146 int TransferListModel::rowCount(const QModelIndex &) const
 147 {
 148     return m_torrentList.size();
 149 }
 150
 151 int TransferListModel::columnCount(const QModelIndex &) const
 152 {
 153     return NB_COLUMNS;
 154 }
 155
 156 QVariant TransferListModel::headerData(const int section, const Qt::Orientation orientation, const int role) const
 157 {
 158     if (orientation == Qt::Horizontal)
 159     {
 160         if (role == Qt::DisplayRole)
 161         {
 162             switch (section)
 163             {
 164             case TR_QUEUE_POSITION: return QChar(u'#');
 165             case TR_NAME: return tr("Name", "i.e: torrent name");
 166             case TR_SIZE: return tr("Size", "i.e: torrent size");
 167             case TR_PROGRESS: return tr("Progress", "% Done");
 168             case TR_STATUS: return tr("Status", "Torrent status (e.g. downloading, seeding, paused)");
 169             case TR_SEEDS: return tr("Seeds", "i.e. full sources (often untranslated)");
 170             case TR_PEERS: return tr("Peers", "i.e. partial sources (often untranslated)");
 171             case TR_DLSPEED: return tr("Down Speed", "i.e: Download speed");
 172             case TR_UPSPEED: return tr("Up Speed", "i.e: Upload speed");
 173             case TR_RATIO: return tr("Ratio", "Share ratio");
 174             case TR_ETA: return tr("ETA", "i.e: Estimated Time of Arrival / Time left");
 175             case TR_CATEGORY: return tr("Category");
 176             case TR_TAGS: return tr("Tags");
 177             case TR_ADD_DATE: return tr("Added On", "Torrent was added to transfer list on 01/01/2010 08:00");
 178             case TR_SEED_DATE: return tr("Completed On", "Torrent was completed on 01/01/2010 08:00");
 179             case TR_TRACKER: return tr("Tracker");
 180             case TR_DLLIMIT: return tr("Down Limit", "i.e: Download limit");
 181             case TR_UPLIMIT: return tr("Up Limit", "i.e: Upload limit");
 182             case TR_AMOUNT_DOWNLOADED: return tr("Downloaded", "Amount of data downloaded (e.g. in MB)");
 183             case TR_AMOUNT_UPLOADED: return tr("Uploaded", "Amount of data uploaded (e.g. in MB)");
 184             case TR_AMOUNT_DOWNLOADED_SESSION: return tr("Session Download", "Amount of data downloaded since program open (e.g. in MB)");
 185             case TR_AMOUNT_UPLOADED_SESSION: return tr("Session Upload", "Amount of data uploaded since program open (e.g. in MB)");
 186             case TR_AMOUNT_LEFT: return tr("Remaining", "Amount of data left to download (e.g. in MB)");
 187             case TR_TIME_ELAPSED: return tr("Time Active", "Time (duration) the torrent is active (not paused)");
 188             case TR_SAVE_PATH: return tr("Save Path", "Torrent save path");
 189             case TR_DOWNLOAD_PATH: return tr("Incomplete Save Path", "Torrent incomplete save path");
 190             case TR_COMPLETED: return tr("Completed", "Amount of data completed (e.g. in MB)");
 191             case TR_RATIO_LIMIT: return tr("Ratio Limit", "Upload share ratio limit");
 192             case TR_SEEN_COMPLETE_DATE: return tr("Last Seen Complete", "Indicates the time when the torrent was last seen complete/whole");
 193             case TR_LAST_ACTIVITY: return tr("Last Activity", "Time passed since a chunk was downloaded/uploaded");
 194             case TR_TOTAL_SIZE: return tr("Total Size", "i.e. Size including unwanted data");
 195             case TR_AVAILABILITY: return tr("Availability", "The number of distributed copies of the torrent");
 196             case TR_INFOHASH_V1: return tr("Info Hash v1", "i.e: torrent info hash v1");
 197             case TR_INFOHASH_V2: return tr("Info Hash v2", "i.e: torrent info hash v2");
 198             case TR_REANNOUNCE: return tr("Reannounce In", "Indicates the time until next trackers reannounce");
 199             default: return {};
 200             }
 201         }
 202         else if (role == Qt::TextAlignmentRole)
 203         {
 204             switch (section)
 205             {
 206             case TR_AMOUNT_DOWNLOADED:
 207             case TR_AMOUNT_UPLOADED:
 208             case TR_AMOUNT_DOWNLOADED_SESSION:
 209             case TR_AMOUNT_UPLOADED_SESSION:
 210             case TR_AMOUNT_LEFT:
 211             case TR_COMPLETED:
 212             case TR_SIZE:
 213             case TR_TOTAL_SIZE:
 214             case TR_ETA:
 215             case TR_SEEDS:
 216             case TR_PEERS:
 217             case TR_UPSPEED:
 218             case TR_DLSPEED:
 219             case TR_UPLIMIT:
 220             case TR_DLLIMIT:
 221             case TR_RATIO_LIMIT:
 222             case TR_RATIO:
 223             case TR_QUEUE_POSITION:
 224             case TR_LAST_ACTIVITY:
 225             case TR_AVAILABILITY:
 226             case TR_REANNOUNCE:
 227                 return QVariant(Qt::AlignRight | Qt::AlignVCenter);
 228             default:
 229                 return QAbstractListModel::headerData(section, orientation, role);
 230             }
 231         }
 232     }
 233
 234     return QAbstractListModel::headerData(section, orientation, role);
 235 }
 236
 237 QString TransferListModel::displayValue(const BitTorrent::Torrent *torrent, const int column) const
 238 {
 239     bool hideValues = false;
 240     if (m_hideZeroValuesMode == HideZeroValuesMode::Always)
 241         hideValues = true;
 242     else if (m_hideZeroValuesMode == HideZeroValuesMode::Paused)
 243         hideValues = (torrent->state() == BitTorrent::TorrentState::PausedDownloading);
 244
 245     const auto availabilityString = [hideValues](const qreal value) -> QString
 246     {
 247         if (hideValues && (value == 0))
 248             return {};
 249         return (value >= 0)
 250             ? Utils::String::fromDouble(value, 3)
 251             : tr("N/A");
 252     };
 253
 254     const auto unitString = [hideValues](const qint64 value, const bool isSpeedUnit = false) -> QString
 255     {
 256         return (hideValues && (value == 0))
 257                 ? QString {} : Utils::Misc::friendlyUnit(value, isSpeedUnit);
 258     };
 259
 260     const auto limitString = [hideValues](const qint64 value) -> QString
 261     {
 262         if (hideValues && (value <= 0))
 263             return {};
 264
 265         return (value > 0)
 266                 ? Utils::Misc::friendlyUnit(value, true)
 267                 : C_INFINITY;
 268     };
 269
 270     const auto amountString = [hideValues](const qint64 value, const qint64 total) -> QString
 271     {
 272         if (hideValues && (value == 0) && (total == 0))
 273             return {};
 274         return u"%1 (%2)"_s.arg(QString::number(value), QString::number(total));
 275     };
 276
 277     const auto etaString = [hideValues](const qlonglong value) -> QString
 278     {
 279         if (hideValues && (value >= MAX_ETA))
 280             return {};
 281         return Utils::Misc::userFriendlyDuration(value, MAX_ETA);
 282     };
 283
 284     const auto ratioString = [hideValues](const qreal value) -> QString
 285     {
 286         if (hideValues && (value <= 0))
 287             return {};
 288
 289          return ((static_cast<int>(value) == -1) || (value > BitTorrent::Torrent::MAX_RATIO))
 290                   ? C_INFINITY : Utils::String::fromDouble(value, 2);
 291     };
 292
 293     const auto queuePositionString = [](const qint64 value) -> QString
 294     {
 295         return (value >= 0) ? QString::number(value + 1) : u"*"_s;
 296     };
 297
 298     const auto lastActivityString = [hideValues](qint64 value) -> QString
 299     {
 300         if (hideValues && ((value < 0) || (value >= MAX_ETA)))
 301             return {};
 302
 303         // Show '< 1m ago' when elapsed time is 0
 304         if (value == 0)
 305             value = 1;
 306
 307         return (value >= 0)
 308             ? tr("%1 ago", "e.g.: 1h 20m ago").arg(Utils::Misc::userFriendlyDuration(value))
 309             : Utils::Misc::userFriendlyDuration(value);
 310     };
 311
 312     const auto timeElapsedString = [hideValues](const qint64 elapsedTime, const qint64 seedingTime) -> QString
 313     {
 314         if (seedingTime <= 0)
 315         {
 316             if (hideValues && (elapsedTime == 0))
 317                 return {};
 318             return Utils::Misc::userFriendlyDuration(elapsedTime);
 319         }
 320
 321         return tr("%1 (seeded for %2)", "e.g. 4m39s (seeded for 3m10s)")
 322                 .arg(Utils::Misc::userFriendlyDuration(elapsedTime)
 323                      , Utils::Misc::userFriendlyDuration(seedingTime));
 324     };
 325
 326     const auto progressString = [](const qreal progress) -> QString
 327     {
 328         return (progress >= 1)
 329                 ? u"100%"_s
 330                 : (Utils::String::fromDouble((progress * 100), 1) + u'%');
 331     };
 332
 333     const auto statusString = [this](const BitTorrent::TorrentState state, const QString &errorMessage) -> QString
 334     {
 335         return (state == BitTorrent::TorrentState::Error)
 336                    ? m_statusStrings[state] + u": " + errorMessage
 337                    : m_statusStrings[state];
 338     };
 339
 340     const auto hashString = [hideValues](const auto &hash) -> QString
 341     {
 342         if (hideValues && !hash.isValid())
 343             return {};
 344         return hash.isValid() ? hash.toString() : tr("N/A");
 345     };
 346
 347     const auto reannounceString = [hideValues](const qint64 time) -> QString
 348     {
 349         if (hideValues && (time == 0))
 350             return {};
 351         return Utils::Misc::userFriendlyDuration(time);
 352     };
 353
 354     switch (column)
 355     {
 356     case TR_NAME:
 357         return torrent->name();
 358     case TR_QUEUE_POSITION:
 359         return queuePositionString(torrent->queuePosition());
 360     case TR_SIZE:
 361         return unitString(torrent->wantedSize());
 362     case TR_PROGRESS:
 363         return progressString(torrent->progress());
 364     case TR_STATUS:
 365         return statusString(torrent->state(), torrent->error());
 366     case TR_SEEDS:
 367         return amountString(torrent->seedsCount(), torrent->totalSeedsCount());
 368     case TR_PEERS:
 369         return amountString(torrent->leechsCount(), torrent->totalLeechersCount());
 370     case TR_DLSPEED:
 371         return unitString(torrent->downloadPayloadRate(), true);
 372     case TR_UPSPEED:
 373         return unitString(torrent->uploadPayloadRate(), true);
 374     case TR_ETA:
 375         return etaString(torrent->eta());
 376     case TR_RATIO:
 377         return ratioString(torrent->realRatio());
 378     case TR_RATIO_LIMIT:
 379         return ratioString(torrent->maxRatio());
 380     case TR_CATEGORY:
 381         return torrent->category();
 382     case TR_TAGS:
 383         return torrent->tags().join(u", "_s);
 384     case TR_ADD_DATE:
 385         return QLocale().toString(torrent->addedTime().toLocalTime(), QLocale::ShortFormat);
 386     case TR_SEED_DATE:
 387         return QLocale().toString(torrent->completedTime().toLocalTime(), QLocale::ShortFormat);
 388     case TR_TRACKER:
 389         return torrent->currentTracker();
 390     case TR_DLLIMIT:
 391         return limitString(torrent->downloadLimit());
 392     case TR_UPLIMIT:
 393         return limitString(torrent->uploadLimit());
 394     case TR_AMOUNT_DOWNLOADED:
 395         return unitString(torrent->totalDownload());
 396     case TR_AMOUNT_UPLOADED:
 397         return unitString(torrent->totalUpload());
 398     case TR_AMOUNT_DOWNLOADED_SESSION:
 399         return unitString(torrent->totalPayloadDownload());
 400     case TR_AMOUNT_UPLOADED_SESSION:
 401         return unitString(torrent->totalPayloadUpload());
 402     case TR_AMOUNT_LEFT:
 403         return unitString(torrent->remainingSize());
 404     case TR_TIME_ELAPSED:
 405         return timeElapsedString(torrent->activeTime(), torrent->finishedTime());
 406     case TR_SAVE_PATH:
 407         return torrent->savePath().toString();
 408     case TR_DOWNLOAD_PATH:
 409         return torrent->downloadPath().toString();
 410     case TR_COMPLETED:
 411         return unitString(torrent->completedSize());
 412     case TR_SEEN_COMPLETE_DATE:
 413         return QLocale().toString(torrent->lastSeenComplete().toLocalTime(), QLocale::ShortFormat);
 414     case TR_LAST_ACTIVITY:
 415         return lastActivityString(torrent->timeSinceActivity());
 416     case TR_AVAILABILITY:
 417         return availabilityString(torrent->distributedCopies());
 418     case TR_TOTAL_SIZE:
 419         return unitString(torrent->totalSize());
 420     case TR_INFOHASH_V1:
 421         return hashString(torrent->infoHash().v1());
 422     case TR_INFOHASH_V2:
 423         return hashString(torrent->infoHash().v2());
 424     case TR_REANNOUNCE:
 425         return reannounceString(torrent->nextAnnounce());
 426     }
 427
 428     return {};
 429 }
 430
 431 QVariant TransferListModel::internalValue(const BitTorrent::Torrent *torrent, const int column, const bool alt) const
 432 {
 433     switch (column)
 434     {
 435     case TR_NAME:
 436         return torrent->name();
 437     case TR_QUEUE_POSITION:
 438         return torrent->queuePosition();
 439     case TR_SIZE:
 440         return torrent->wantedSize();
 441     case TR_PROGRESS:
 442         return torrent->progress() * 100;
 443     case TR_STATUS:
 444         return QVariant::fromValue(torrent->state());
 445     case TR_SEEDS:
 446         return !alt ? torrent->seedsCount() : torrent->totalSeedsCount();
 447     case TR_PEERS:
 448         return !alt ? torrent->leechsCount() : torrent->totalLeechersCount();
 449     case TR_DLSPEED:
 450         return torrent->downloadPayloadRate();
 451     case TR_UPSPEED:
 452         return torrent->uploadPayloadRate();
 453     case TR_ETA:
 454         return torrent->eta();
 455     case TR_RATIO:
 456         return torrent->realRatio();
 457     case TR_CATEGORY:
 458         return torrent->category();
 459     case TR_TAGS:
 460         return QVariant::fromValue(torrent->tags());
 461     case TR_ADD_DATE:
 462         return torrent->addedTime();
 463     case TR_SEED_DATE:
 464         return torrent->completedTime();
 465     case TR_TRACKER:
 466         return torrent->currentTracker();
 467     case TR_DLLIMIT:
 468         return torrent->downloadLimit();
 469     case TR_UPLIMIT:
 470         return torrent->uploadLimit();
 471     case TR_AMOUNT_DOWNLOADED:
 472         return torrent->totalDownload();
 473     case TR_AMOUNT_UPLOADED:
 474         return torrent->totalUpload();
 475     case TR_AMOUNT_DOWNLOADED_SESSION:
 476         return torrent->totalPayloadDownload();
 477     case TR_AMOUNT_UPLOADED_SESSION:
 478         return torrent->totalPayloadUpload();
 479     case TR_AMOUNT_LEFT:
 480         return torrent->remainingSize();
 481     case TR_TIME_ELAPSED:
 482         return !alt ? torrent->activeTime() : torrent->finishedTime();
 483     case TR_DOWNLOAD_PATH:
 484         return torrent->downloadPath().data();
 485     case TR_SAVE_PATH:
 486         return torrent->savePath().data();
 487     case TR_COMPLETED:
 488         return torrent->completedSize();
 489     case TR_RATIO_LIMIT:
 490         return torrent->maxRatio();
 491     case TR_SEEN_COMPLETE_DATE:
 492         return torrent->lastSeenComplete();
 493     case TR_LAST_ACTIVITY:
 494         return torrent->timeSinceActivity();
 495     case TR_AVAILABILITY:
 496         return torrent->distributedCopies();
 497     case TR_TOTAL_SIZE:
 498         return torrent->totalSize();
 499     case TR_INFOHASH_V1:
 500         return QVariant::fromValue(torrent->infoHash().v1());
 501     case TR_INFOHASH_V2:
 502         return QVariant::fromValue(torrent->infoHash().v2());
 503     case TR_REANNOUNCE:
 504         return torrent->nextAnnounce();
 505     }
 506
 507     return {};
 508 }
 509
 510 QVariant TransferListModel::data(const QModelIndex &index, const int role) const
 511 {
 512     if (!index.isValid()) return {};
 513
 514     const BitTorrent::Torrent *torrent = m_torrentList.value(index.row());
 515     if (!torrent) return {};
 516
 517     switch (role)
 518     {
 519     case Qt::ForegroundRole:
 520         return m_stateThemeColors.value(torrent->state());
 521     case Qt::DisplayRole:
 522         return displayValue(torrent, index.column());
 523     case UnderlyingDataRole:
 524         return internalValue(torrent, index.column(), false);
 525     case AdditionalUnderlyingDataRole:
 526         return internalValue(torrent, index.column(), true);
 527     case Qt::DecorationRole:
 528         if (index.column() == TR_NAME)
 529             return getIconByState(torrent->state());
 530         break;
 531     case Qt::ToolTipRole:
 532         switch (index.column())
 533         {
 534         case TR_NAME:
 535         case TR_STATUS:
 536         case TR_CATEGORY:
 537         case TR_TAGS:
 538         case TR_TRACKER:
 539         case TR_SAVE_PATH:
 540         case TR_DOWNLOAD_PATH:
 541         case TR_INFOHASH_V1:
 542         case TR_INFOHASH_V2:
 543             return displayValue(torrent, index.column());
 544         }
 545         break;
 546     case Qt::TextAlignmentRole:
 547         switch (index.column())
 548         {
 549         case TR_AMOUNT_DOWNLOADED:
 550         case TR_AMOUNT_UPLOADED:
 551         case TR_AMOUNT_DOWNLOADED_SESSION:
 552         case TR_AMOUNT_UPLOADED_SESSION:
 553         case TR_AMOUNT_LEFT:
 554         case TR_COMPLETED:
 555         case TR_SIZE:
 556         case TR_TOTAL_SIZE:
 557         case TR_ETA:
 558         case TR_SEEDS:
 559         case TR_PEERS:
 560         case TR_UPSPEED:
 561         case TR_DLSPEED:
 562         case TR_UPLIMIT:
 563         case TR_DLLIMIT:
 564         case TR_RATIO_LIMIT:
 565         case TR_RATIO:
 566         case TR_QUEUE_POSITION:
 567         case TR_LAST_ACTIVITY:
 568         case TR_AVAILABILITY:
 569         case TR_REANNOUNCE:
 570             return QVariant(Qt::AlignRight | Qt::AlignVCenter);
 571         }
 572         break;
 573     default:
 574         break;
 575     }
 576
 577     return {};
 578 }
 579
 580 bool TransferListModel::setData(const QModelIndex &index, const QVariant &value, int role)
 581 {
 582     if (!index.isValid() || (role != Qt::DisplayRole)) return false;
 583
 584     BitTorrent::Torrent *const torrent = m_torrentList.value(index.row());
 585     if (!torrent) return false;
 586
 587     // Category and Name columns can be edited
 588     switch (index.column())
 589     {
 590     case TR_NAME:
 591         torrent->setName(value.toString());
 592         break;
 593     case TR_CATEGORY:
 594         torrent->setCategory(value.toString());
 595         break;
 596     default:
 597         return false;
 598     }
 599
 600     return true;
 601 }
 602
 603 void TransferListModel::addTorrents(const QVector<BitTorrent::Torrent *> &torrents)
 604 {
 605     qsizetype row = m_torrentList.size();
 606     const qsizetype total = row + torrents.size();
 607
 608     beginInsertRows({}, row, total);
 609
 610     m_torrentList.reserve(total);
 611     for (BitTorrent::Torrent *torrent : torrents)
 612     {
 613         Q_ASSERT(!m_torrentMap.contains(torrent));
 614
 615         m_torrentList.append(torrent);
 616         m_torrentMap[torrent] = row++;
 617     }
 618
 619     endInsertRows();
 620 }
 621
 622 Qt::ItemFlags TransferListModel::flags(const QModelIndex &index) const
 623 {
 624     if (!index.isValid()) return Qt::NoItemFlags;
 625
 626     // Explicitly mark as editable
 627     return QAbstractListModel::flags(index) | Qt::ItemIsEditable;
 628 }
 629
 630 BitTorrent::Torrent *TransferListModel::torrentHandle(const QModelIndex &index) const
 631 {
 632     if (!index.isValid()) return nullptr;
 633
 634     return m_torrentList.value(index.row());
 635 }
 636
 637 void TransferListModel::handleTorrentAboutToBeRemoved(BitTorrent::Torrent *const torrent)
 638 {
 639     const int row = m_torrentMap.value(torrent, -1);
 640     Q_ASSERT(row >= 0);
 641
 642     beginRemoveRows({}, row, row);
 643     m_torrentList.removeAt(row);
 644     m_torrentMap.remove(torrent);
 645     for (int &value : m_torrentMap)
 646     {
 647         if (value > row)
 648             --value;
 649     }
 650     endRemoveRows();
 651 }
 652
 653 void TransferListModel::handleTorrentStatusUpdated(BitTorrent::Torrent *const torrent)
 654 {
 655     const int row = m_torrentMap.value(torrent, -1);
 656     Q_ASSERT(row >= 0);
 657
 658     emit dataChanged(index(row, 0), index(row, columnCount() - 1));
 659 }
 660
 661 void TransferListModel::handleTorrentsUpdated(const QVector<BitTorrent::Torrent *> &torrents)
 662 {
 663     const int columns = (columnCount() - 1);
 664
 665     if (torrents.size() <= (m_torrentList.size() * 0.5))
 666     {
 667         for (BitTorrent::Torrent *const torrent : torrents)
 668         {
 669             const int row = m_torrentMap.value(torrent, -1);
 670             Q_ASSERT(row >= 0);
 671
 672             emit dataChanged(index(row, 0), index(row, columns));
 673         }
 674     }
 675     else
 676     {
 677         // save the overhead when more than half of the torrent list needs update
 678         emit dataChanged(index(0, 0), index((rowCount() - 1), columns));
 679     }
 680 }
 681
 682 void TransferListModel::configure()
 683 {
 684     const Preferences *pref = Preferences::instance();
 685
 686     HideZeroValuesMode hideZeroValuesMode = HideZeroValuesMode::Never;
 687     if (pref->getHideZeroValues())
 688     {
 689         if (pref->getHideZeroComboValues() == 1)
 690             hideZeroValuesMode = HideZeroValuesMode::Paused;
 691         else
 692             hideZeroValuesMode = HideZeroValuesMode::Always;
 693     }
 694
 695     if (m_hideZeroValuesMode != hideZeroValuesMode)
 696     {
 697         m_hideZeroValuesMode = hideZeroValuesMode;
 698         emit dataChanged(index(0, 0), index((rowCount() - 1), (columnCount() - 1)));
 699     }
 700 }
 701
 702 QIcon TransferListModel::getIconByState(const BitTorrent::TorrentState state) const
 703 {
 704     switch (state)
 705     {
 706     case BitTorrent::TorrentState::Downloading:
 707     case BitTorrent::TorrentState::ForcedDownloading:
 708     case BitTorrent::TorrentState::DownloadingMetadata:
 709     case BitTorrent::TorrentState::ForcedDownloadingMetadata:
 710         return m_downloadingIcon;
 711     case BitTorrent::TorrentState::StalledDownloading:
 712         return m_stalledDLIcon;
 713     case BitTorrent::TorrentState::StalledUploading:
 714         return m_stalledUPIcon;
 715     case BitTorrent::TorrentState::Uploading:
 716     case BitTorrent::TorrentState::ForcedUploading:
 717         return m_uploadingIcon;
 718     case BitTorrent::TorrentState::PausedDownloading:
 719         return m_pausedIcon;
 720     case BitTorrent::TorrentState::PausedUploading:
 721         return m_completedIcon;
 722     case BitTorrent::TorrentState::QueuedDownloading:
 723     case BitTorrent::TorrentState::QueuedUploading:
 724         return m_queuedIcon;
 725     case BitTorrent::TorrentState::CheckingDownloading:
 726     case BitTorrent::TorrentState::CheckingUploading:
 727     case BitTorrent::TorrentState::CheckingResumeData:
 728         return m_checkingIcon;
 729     case BitTorrent::TorrentState::Moving:
 730         return m_movingIcon;
 731     case BitTorrent::TorrentState::Unknown:
 732     case BitTorrent::TorrentState::MissingFiles:
 733     case BitTorrent::TorrentState::Error:
 734         return m_errorIcon;
 735     default:
 736         Q_ASSERT(false);
 737         return m_errorIcon;
 738     }
 739 }