File indexing completed on 2024-04-21 04:57:22

 /* This file is part of the KDE project
 
    Copyright (C) 2005 Dario Massarin <nekkar@libero.it>
    Copyright (C) 2007 by Javier Goday <jgoday@gmail.com>
    Copyright (C) 2008 - 2009 by Lukas Appelhans <l.appelhans@gmx.de>
    Copyright (C) 2010 by Matthias Fuchs <mat69@gmx.net>
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 */
 
 #include "newtransferdialog.h"
 
 #include "core/filedeleter.h"
 #include "core/kget.h"
 #include "core/mostlocalurl.h"
 #include "core/plugin/transferfactory.h"
 #include "core/transfergrouphandler.h"
 #include "core/transfertreemodel.h"
 #include "core/urlchecker.h"
 #include "mainwindow.h"
 #include "settings.h"
 
 #include "kget_debug.h"
 #include <QDebug>
 
 #include <QApplication>
 #include <QClipboard>
 #include <QDir>
 #include <QFileInfo>
 #include <QTimer>
 
 #include <KColorScheme>
 #include <KLineEditUrlDropEventFilter>
 #include <KLocalizedString>
 #include <KWindowSystem>
 #include <QListWidgetItem>
 #include <QStandardPaths>
 
 Q_GLOBAL_STATIC(NewTransferDialogHandler, newTransferDialogHandler)
 
 NewTransferDialog::NewTransferDialog(QWidget *parent)
     : QDialog(parent)
     , m_window(nullptr)
     , m_existingTransfer(nullptr)
     , m_multiple(false)
     , m_overWriteSingle(false)
 {
     setModal(true);
     setWindowTitle(i18n("New Download"));
 
     ui.setupUi(this);
 
     ui.buttonBox->button(QDialogButtonBox::Ok)->setEnabled(false);
 
     // timer to avoid constant checking of the input
     m_timer = new QTimer(this);
     m_timer->setInterval(350);
     m_timer->setSingleShot(true);
     connect(m_timer, &QTimer::timeout, this, &NewTransferDialog::checkInput);
 
     const KColorScheme scheme = KColorScheme(QPalette::Active, KColorScheme::View);
     m_existingFileBackground = scheme.background(KColorScheme::NeutralBackground);
     m_normalBackground = scheme.background();
 
     // properties of the m_destRequester combobox
     auto *dropUrlEventFilter = new KLineEditUrlDropEventFilter(this);
     dropUrlEventFilter->installEventFilter(ui.destRequester->comboBox());
     ui.destRequester->comboBox()->setDuplicatesEnabled(false);
     ui.destRequester->comboBox()->setEditable(true);
     ui.destRequester->setAcceptMode(QFileDialog::AcceptSave);
 
     ui.errorWidget->setCloseButtonVisible(false);
 
     connect(ui.groupComboBox, &QComboBox::currentIndexChanged, this, &NewTransferDialog::setDefaultDestination);
 
     connect(ui.urlRequester, &QLineEdit::textChanged, this, &NewTransferDialog::setDefaultDestination);
     connect(ui.destRequester, &KUrlRequester::textChanged, this, &NewTransferDialog::inputTimer);
     connect(ui.urlRequester, &QLineEdit::textChanged, this, &NewTransferDialog::inputTimer);
     connect(ui.listWidget, &QListWidget::itemChanged, this, &NewTransferDialog::inputTimer);
     connect(this, &QDialog::finished, this, &NewTransferDialog::slotFinished);
     connect(ui.buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
     connect(ui.buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
 }
 
 NewTransferDialog::~NewTransferDialog()
 {
 }
 
 void NewTransferDialog::setMultiple(bool useMultiple)
 {
     m_multiple = useMultiple;
 
     const Qt::Alignment alignment = Qt::AlignLeft | (m_multiple ? Qt::AlignTop : Qt::AlignVCenter);
     ui.urlLabel->setAlignment(alignment);
     ui.urlRequester->setVisible(!m_multiple);
     ui.listWidget->setVisible(m_multiple);
     ui.destRequester->setMode(m_multiple ? KFile::Directory : KFile::File);
 }
 
 void NewTransferDialog::clear()
 {
     ui.urlRequester->clear();
     ui.urlRequester->setFocus();
     ui.listWidget->clear();
     ui.destRequester->comboBox()->clear();
     ui.destRequester->clear();
     m_destination.clear();
     m_sources.clear();
     m_existingTransfer = nullptr;
     m_overWriteSingle = false;
 
     // add all destinations
     QStringList list;
     QString downloadPath = KGet::generalDestDir();
     if (!downloadPath.isEmpty()) {
         if (!downloadPath.endsWith('/')) {
             downloadPath.append('/');
         }
         list << downloadPath;
     }
     foreach (TransferGroupHandler *handler, KGet::allTransferGroups()) {
         const QString folder = handler->defaultFolder();
         if (!folder.isEmpty()) {
             list << (folder.endsWith('/') ? folder : folder + '/');
         }
     }
 
     list.removeDuplicates();
     ui.destRequester->comboBox()->insertItems(0, list);
 
     // add all transfer groups
     ui.groupComboBox->clear();
     foreach (TransferGroupHandler *group, KGet::allTransferGroups()) {
         ui.groupComboBox->addItem(QIcon::fromTheme(group->iconName()), group->name());
     }
     ui.groupComboBox->setCurrentItem(Settings::lastGroup());
     if (ui.groupComboBox->currentIndex() == -1) {
         ui.groupComboBox->setCurrentIndex(0);
     }
 
     const bool multipleGroups = KGet::transferGroupNames().count();
     ui.groupComboBox->setVisible(multipleGroups);
     ui.groupLabel->setVisible(multipleGroups);
 }
 
 void NewTransferDialog::setSource(const QList<QUrl> &sources)
 {
     if (sources.isEmpty()) {
         return;
     }
 
     if (sources.count() == 1) {
         QUrl m_srcUrl = sources.first();
         ui.urlRequester->clear();
         if (m_srcUrl.isEmpty()) {
             m_srcUrl = QUrl(QApplication::clipboard()->text(QClipboard::Clipboard).trimmed());
         }
 
         if (UrlChecker::checkSource(m_srcUrl) == UrlChecker::NoError) {
             ui.urlRequester->insert(m_srcUrl.toString());
         }
     } else {
         foreach (const QUrl &sourceUrl, sources) {
             if (sourceUrl.url()
                 != QUrl(sourceUrl.url())
                        .fileName()) { // TODO simplify, whatfor is this check anyway, shouldn't the sources be checked already and if not add this to UrlChecker
                 qCDebug(KGET_DEBUG) << "Insert" << sourceUrl;
                 auto *newItem = new QListWidgetItem(sourceUrl.toString(), ui.listWidget);
                 newItem->setCheckState(Qt::Checked);
             }
         }
     }
 
     const QList<TransferGroupHandler *> groups = KGet::groupsFromExceptions(sources.first());
     if (!groups.isEmpty()) {
         ui.groupComboBox->setCurrentIndex(ui.groupComboBox->findText(groups.first()->name()));
     }
 }
 
 void NewTransferDialog::setDestinationFileName(const QString &filename)
 {
     ui.destRequester->setUrl(QUrl(ui.destRequester->url().adjusted(QUrl::RemoveFilename).toString() + filename));
 }
 
 void NewTransferDialog::setDestination()
 {
     // sets destRequester to either display the defaultFolder of group or the generalDestDir
     QString group = ui.groupComboBox->currentText();
     TransferGroupHandler *current = nullptr;
     foreach (TransferGroupHandler *handler, KGet::allTransferGroups()) {
         if (handler->name() == group) {
             current = handler;
             break;
         }
     }
 
     if (current) {
         QString groupFolder = current->defaultFolder();
         if (groupFolder.isEmpty()) {
             groupFolder = KGet::generalDestDir();
         }
         if (!groupFolder.endsWith('/')) {
             groupFolder.append('/');
         }
         ui.destRequester->comboBox()->setCurrentItem(groupFolder, true);
     }
 }
 
 void NewTransferDialog::showDialog(QList<QUrl> list, const QString &suggestedFileName)
 {
     // TODO handle the case where for some there are suggested file names --> own file name column in multiple setting
     // the dialog is already in use, adapt it
     if (isVisible()) {
         list << m_sources;
     }
     clear(); // Let's clear the old stuff
     m_sources << list;
     UrlChecker::removeDuplicates(m_sources);
     const int size = m_sources.size();
     qCDebug(KGET_DEBUG) << "SET SOURCES " << m_sources << " MULTIPLE " << (size > 1);
     setMultiple(size > 1);
 
     if (size) {
         if (size == 1 && !suggestedFileName.isEmpty()) {
             setDestinationFileName(suggestedFileName);
         }
 
         setSource(m_sources);
     }
 
     prepareDialog();
 }
 
 void NewTransferDialog::setDefaultDestination()
 {
     // NOTE if the user enters a file name manually and the changes the group the manually entered file name will be overwritten
     setDestination();
 
     // set a file name
     if (!m_multiple) {
         const QUrl url(ui.urlRequester->text().trimmed());
         if ((UrlChecker::checkSource(url) == UrlChecker::NoError) && QFileInfo(ui.destRequester->url().toLocalFile()).isDir()) {
             setDestinationFileName(url.fileName());
         }
     }
 }
 
 void NewTransferDialog::prepareDialog()
 {
     qCDebug(KGET_DEBUG) << "Show the dialog!";
     show();
 }
 
 bool NewTransferDialog::isEmpty()
 {
     return (m_multiple ? !ui.listWidget->count() : ui.urlRequester->text().trimmed().isEmpty());
 }
 
 void NewTransferDialog::inputTimer()
 {
     ui.buttonBox->button(QDialogButtonBox::Ok)->setEnabled(false);
     m_timer->start();
 }
 
 void NewTransferDialog::checkInput()
 {
     qDebug() << "Check input";
     QUrl source = QUrl(ui.urlRequester->text().trimmed());
     const QUrl dest = ui.destRequester->url();
 
     // check the destination folder
     UrlChecker::UrlError error = UrlChecker::checkFolder(dest);
     const bool folderValid = (error == UrlChecker::NoError);
     bool destinationValid = false;
     QString infoText;
     QString warningText;
     if (!folderValid) {
         if (m_multiple) {
             infoText = UrlChecker::message(QUrl(), UrlChecker::Folder, error);
         } else {
             // might be a destination instead of a folder
             destinationValid = (UrlChecker::checkDestination(dest) == UrlChecker::NoError);
         }
     } else {
         m_destination = dest;
     }
 
     // check the source
     if (!m_multiple) {
         source = mostLocalUrl(source);
     }
     error = UrlChecker::checkSource(source);
     const bool sourceValid = (error == UrlChecker::NoError);
     if (!m_multiple && !sourceValid) {
         infoText = UrlChecker::message(QUrl(), UrlChecker::Source, error);
     }
 
     // check if any sources are checked and for existing transfers or destinations
     bool filesChecked = false;
     if (m_multiple && folderValid) {
         QListWidget *list = ui.listWidget;
 
         // check if some sources have been checked
         for (int i = 0; i < list->count(); ++i) {
             QListWidgetItem *item = list->item(i);
             if (item->checkState() == Qt::Checked) {
                 filesChecked = true;
                 break;
             }
         }
         if (!filesChecked) {
             infoText = i18n("Select at least one source url.");
         }
 
         // check if there are existing files
         if (filesChecked) {
             bool existingFile = false;
             for (int i = 0; i < list->count(); ++i) {
                 QListWidgetItem *item = list->item(i);
                 const QUrl source = QUrl(item->text());
                 const QUrl destUrl = UrlChecker::destUrl(dest, source);
                 if (UrlChecker::wouldOverwrite(source, destUrl)) {
                     item->setBackground(m_existingFileBackground);
                     existingFile = true;
                 } else {
                     item->setBackground(m_normalBackground);
                 }
             }
             if (existingFile) {
                 warningText = i18n("Files that exist already in the current folder have been marked."); // TODO better message
             }
         }
     }
 
     // single file
     UrlChecker::UrlWarning warning = UrlChecker::NoWarning;
     if (!m_multiple && sourceValid && (folderValid || destinationValid)) {
         m_destination = UrlChecker::destUrl(dest, source);
         // show only one message for existing transfers
         m_existingTransfer = UrlChecker::existingTransfer(source, UrlChecker::Source, &warning);
         if (m_existingTransfer) {
             warningText = UrlChecker::message(QUrl(), UrlChecker::Source, warning);
         } else {
             m_existingTransfer = UrlChecker::existingTransfer(m_destination, UrlChecker::Destination, &warning);
             if (m_existingTransfer) {
                 warningText = UrlChecker::message(QUrl(), UrlChecker::Destination, warning);
             }
         }
 
         if (UrlChecker::wouldOverwrite(QUrl(ui.urlRequester->text().trimmed()), m_destination)) {
             m_overWriteSingle = true;
             if (!warningText.isEmpty()) {
                 warningText += '\n';
             }
             warningText += UrlChecker::message(QUrl(), UrlChecker::Destination, UrlChecker::ExistingFile);
         } else {
             m_overWriteSingle = false;
         }
     }
 
     if (!infoText.isEmpty()) {
         setInformation(infoText);
     } else if (!warningText.isEmpty()) {
         setWarning(warningText);
     } else {
         ui.errorWidget->hide();
     }
 
     // activate the ok button
     if (m_multiple) {
         ui.buttonBox->button(QDialogButtonBox::Ok)->setEnabled(folderValid && filesChecked);
     } else {
         ui.buttonBox->button(QDialogButtonBox::Ok)->setEnabled((folderValid || destinationValid) && sourceValid);
     }
 
     qCDebug(KGET_DEBUG) << source << source.fileName() << dest << dest.fileName() << "Folder valid:" << folderValid << "Destination valid:" << destinationValid
                         << "Source valid:" << sourceValid;
 }
 
 void NewTransferDialog::slotFinished(int resultCode)
 {
     if (resultCode == QDialog::Accepted) {
         dialogAccepted();
     }
     clear();
 }
 
 void NewTransferDialog::dialogAccepted()
 {
     qCDebug(KGET_DEBUG) << "Dialog accepted.";
 
     // an existing transfer has been specified and since ok was clicked, it was chosen to be overwritten
     if (m_existingTransfer) {
         qCDebug(KGET_DEBUG) << "Removing existing transfer:" << m_existingTransfer;
         KGet::delTransfer(m_existingTransfer);
     }
 
     // set the last directory
     QString dir = m_destination.toLocalFile();
     if (!QFileInfo(dir).isDir()) {
         dir = m_destination.adjusted(QUrl::RemoveFilename).toLocalFile();
     }
     Settings::setLastDirectory(dir);
     Settings::self()->save();
 
     const QString group = ui.groupComboBox->currentText();
 
     /// add data to create transfers
     QList<KGet::TransferData> data;
     if (!m_multiple) {
         if (m_overWriteSingle) {
             qCDebug(KGET_DEBUG) << "Removing existing file:" << m_destination;
             // removes m_destination if it exists, do that here so that it is removed no matter if a transfer could be created or not
             // as the user decided to throw the file away
             FileDeleter::deleteFile(m_destination);
         }
 
         // sourceUrl is valid, has been checked before
         const QUrl sourceUrl = QUrl(ui.urlRequester->text().trimmed());
         qCDebug(KGET_DEBUG) << "Downloading" << sourceUrl << "to" << m_destination;
         data << KGet::TransferData(sourceUrl, m_destination, group, true);
     } else {
         QList<QUrl> list;
         for (int i = 0; i != ui.listWidget->count(); ++i) {
             QListWidgetItem *item = ui.listWidget->item(i);
 
             // find selected sources
             if (item->checkState() == Qt::Checked) {
                 // both sourceUrl and destUrl are valid, they have been tested in checkInput
                 const QUrl sourceUrl = QUrl(item->text().trimmed());
                 const QUrl destUrl = UrlChecker::destUrl(m_destination, sourceUrl);
                 qCDebug(KGET_DEBUG) << "Downloading" << sourceUrl << "to" << destUrl;
 
                 // file exists already, remove it
                 if (item->background() == m_existingFileBackground) {
                     qCDebug(KGET_DEBUG) << "Removing existing file:" << destUrl;
                     // removes destUrl if it exists, do that here so that it is removed no matter if a transfer could be created or not
                     // as the user decided to throw the file away
                     FileDeleter::deleteFile(destUrl);
                 }
 
                 data << KGet::TransferData(sourceUrl, destUrl, group, true);
             }
         }
     }
 
     if (!data.isEmpty()) {
         Settings::setLastGroup(ui.groupComboBox->currentText());
         KGet::createTransfers(data);
     }
 }
 
 void NewTransferDialog::setInformation(const QString &information)
 {
     ui.errorWidget->setMessageType(KMessageWidget::Information);
     ui.errorWidget->setText(information);
     ui.errorWidget->setVisible(!information.isEmpty());
 }
 
 void NewTransferDialog::setWarning(const QString &warning)
 {
     ui.errorWidget->setMessageType(KMessageWidget::Warning);
     ui.errorWidget->setText(warning);
     ui.errorWidget->setVisible(!warning.isEmpty());
 }
 
 /**
  * NOTE some checks in this class might seem redundant, though target is to display as few dialogs, and then preferable
  * the NewTransferDialog, to the user as possible i.e. if not enough information -- e.g. no destination folder
  * determinable, ...-- is present for a url or a group of urls they won't be added as transfer,
  * instead the NewTransferDialog will be shown
  *
  * This also tries to add as many transfers as possible with one run, to ensure a high speed
  */
 NewTransferDialogHandler::NewTransferDialogHandler(QObject *parent)
     : QObject(parent)
     , m_nextJobId(0)
 {
 }
 
 NewTransferDialogHandler::~NewTransferDialogHandler()
 {
 }
 
 void NewTransferDialogHandler::showNewTransferDialog(const QUrl &url)
 {
     showNewTransferDialog(url.isEmpty() ? QList<QUrl>() : QList<QUrl>() << url);
 }
 
 void NewTransferDialogHandler::showNewTransferDialog(QList<QUrl> urls)
 {
     if (urls.isEmpty()) {
         newTransferDialogHandler->createDialog(urls, QString());
         return;
     }
 
     QHash<int, UrlData>::iterator itUrls = newTransferDialogHandler->m_urls.insert(newTransferDialogHandler->m_nextJobId, UrlData());
     QString folder;
     QString suggestedFileName;
 
     /// Only two urls defined, check if second one is a path or a file name
     if (urls.count() == 2) {
         const QUrl lastUrl = urls.last();
         QDir dir(lastUrl.toLocalFile());
 
         // check if last url is a file path, either absolute or relative
         if (lastUrl.isLocalFile()) {
             if (QDir::isAbsolutePath(lastUrl.toLocalFile())) {
                 if (dir.exists()) {
                     // second url is a folder path
                     folder = lastUrl.adjusted(QUrl::RemoveFilename).toString();
                 } else {
                     // second url is a file path, use this one
                     folder = lastUrl.adjusted(QUrl::RemoveFilename).toString();
                     suggestedFileName = lastUrl.fileName();
                 }
                 urls.removeLast();
             } else {
                 // second url is just a file name
                 suggestedFileName = lastUrl.fileName();
                 urls.removeLast();
             }
         } else if (!lastUrl.isValid() || (lastUrl.scheme().isEmpty() && lastUrl.adjusted(QUrl::RemoveFilename).isEmpty())) {
             // Sometimes valid filenames are not recognized by KURL::isLocalFile(), they are marked as invalid then
             suggestedFileName = lastUrl.url();
             urls.removeLast();
         }
     }
 
     /// More than two urls defined, and last is local and will be used as destination directory
     if (urls.count() > 2 && urls.last().isLocalFile()) {
         /**
          * FIXME should the code be uncommented again, though then inputting a wrong destination like
          * ~/Downloads/folderNotExisting would result in ~/Downloads/ instead of informing the user
          * and giving them the possibility to improve their mistake
          */
         //         if (!QFileInfo(urls.last().toLocalFile()).isDir()) {
         //             folder = urls.last().directory(QUrl::AppendTrailingSlash);
         //         } else {
         folder = urls.last().adjusted(QUrl::RemoveFilename).toString(); // checks if that folder is correct happen later
         //         }
         urls.removeLast();
     }
 
     // add a folder or suggestedFileName if they are valid
     if (!folder.isEmpty() && KGet::isValidDestDirectory(folder)) {
         (*itUrls).folder = folder;
     }
     if (!suggestedFileName.isEmpty()) {
         (*itUrls).suggestedFileName = QUrl(suggestedFileName).toString(); // pathOrUrl to get a non percent encoded url
     }
 
     newTransferDialogHandler->m_numJobs[newTransferDialogHandler->m_nextJobId] = urls.count();
     foreach (const QUrl &url, urls) {
         // needed to avoid when protocols like the desktop protocol is used, see bko:185283
         KIO::Job *job = mostLocalUrlJob(url);
         job->setProperty("jobId", (newTransferDialogHandler->m_nextJobId));
         connect(job, &KJob::result, newTransferDialogHandler, &NewTransferDialogHandler::slotMostLocalUrlResult);
         job->start();
     }
 
     ++(newTransferDialogHandler->m_nextJobId);
 }
 
 void NewTransferDialogHandler::slotMostLocalUrlResult(KJob *j)
 {
     auto *job = static_cast<MostLocalUrlJob *>(j);
     const int jobId = job->property("jobId").toInt();
 
     if (job->error()) {
         qCWarning(KGET_DEBUG) << "An error happened for" << job->url();
     } else {
         m_urls[jobId].urls << job->mostLocalUrl();
     }
     --m_numJobs[jobId];
 
     if (m_numJobs[jobId] <= 0) {
         handleUrls(jobId);
     }
 }
 
 void NewTransferDialogHandler::handleUrls(const int jobId)
 {
     QHash<int, UrlData>::iterator itUrls = m_urls.find(jobId);
     if (itUrls == m_urls.end()) {
         qCWarning(KGET_DEBUG) << "JobId" << jobId << "was not defined, could not handle urls for it.";
         return;
     }
 
     QList<QUrl> urls = (*itUrls).urls;
     UrlChecker::removeDuplicates(urls);
 
     QString folder = (*itUrls).folder;
     if (!folder.isEmpty() && (UrlChecker::checkFolder(QUrl::fromLocalFile(folder), true) != UrlChecker::NoError)) {
         folder.clear();
     }
 
     const QString suggestedFileName = (*itUrls).suggestedFileName;
     QUrl newDest;
     const QUrl folderUrl = QUrl::fromLocalFile(folder);
 
     // check if the sources are correct
     UrlChecker check(UrlChecker::Source);
     check.addUrls(urls);
     check.displayErrorMessages();
     check.existingTransfers();
     urls = check.correctUrls();
 
     QList<KGet::TransferData> data;
 
     /// Just one file to download, with a specified suggestedFileName, handle if possible
     if (!suggestedFileName.isEmpty() && (urls.count() == 1)) {
         const QUrl sourceUrl = urls.first();
         const QList<TransferGroupHandler *> groups = KGet::groupsFromExceptions(sourceUrl);
         const QString groupName = (groups.isEmpty() ? QString() : groups.first()->name());
         QString defaultFolder;
         if (groups.isEmpty()) {
             defaultFolder = (Settings::askForDestination() ? QString() : QStandardPaths::writableLocation(QStandardPaths::DownloadLocation));
         } else {
             defaultFolder = groups.first()->defaultFolder();
         }
 
         if (!folder.isEmpty()) {
             const QUrl destUrl = UrlChecker::destUrl(QUrl::fromLocalFile(folder), sourceUrl, suggestedFileName);
             newDest = check.checkExistingFile(sourceUrl, destUrl);
             if (!newDest.isEmpty()) {
                 data << KGet::TransferData(sourceUrl, newDest, groupName);
             }
             urls.removeFirst();
         } else if (((!groups.isEmpty() && !Settings::directoriesAsSuggestion()) || !Settings::askForDestination())
                    && (UrlChecker::checkFolder(QUrl::fromLocalFile(defaultFolder)) == UrlChecker::NoError)) {
             const QUrl destUrl = UrlChecker::destUrl(QUrl::fromLocalFile(defaultFolder), sourceUrl, suggestedFileName);
             newDest = check.checkExistingFile(sourceUrl, destUrl);
             if (!newDest.isEmpty()) {
                 data << KGet::TransferData(sourceUrl, newDest, groupName);
             }
             urls.removeFirst();
         }
     }
 
     /// A valid folder has been defined, use that for downloading
     if (!folder.isEmpty()) {
         // find the associated groups first, we just need the first matching group though
         const QList<TransferGroupHandler *> groups = KGet::allTransferGroups();
         foreach (TransferGroupHandler *group, groups) {
             if (urls.isEmpty()) {
                 break;
             }
 
             const QString groupName = group->name();
             const QStringList patterns = group->regExp().pattern().split(',');
 
             // find all urls where a group can be identified
             QList<QUrl>::iterator it = urls.begin();
             while (it != urls.end()) {
                 const QUrl sourceUrl = *it;
                 if (KGet::matchesExceptions(sourceUrl, patterns)) {
                     const QUrl destUrl = UrlChecker::destUrl(folderUrl, sourceUrl);
                     newDest = check.checkExistingFile(sourceUrl, destUrl);
                     if (!newDest.isEmpty()) {
                         data << KGet::TransferData(sourceUrl, newDest, groupName);
                     }
                     it = urls.erase(it);
                 } else {
                     ++it;
                 }
             }
         }
 
         // there are still some unhandled urls, i.e. for those no group could be found, add them with an empty group
         foreach (const QUrl &sourceUrl, urls) {
             const QUrl destUrl = UrlChecker::destUrl(folderUrl, sourceUrl);
             newDest = check.checkExistingFile(sourceUrl, destUrl);
             if (!newDest.isEmpty()) {
                 data << KGet::TransferData(sourceUrl, newDest);
             }
         }
 
         // all urls have been handled
         urls.clear();
     }
 
     /// Now handle default folders/groups
     qCDebug(KGET_DEBUG) << "DIRECTORIES AS SUGGESTION" << Settings::directoriesAsSuggestion();
     if (!Settings::directoriesAsSuggestion() && !urls.isEmpty()) {
         qCDebug(KGET_DEBUG) << "No, Directories not as suggestion";
 
         // find the associated groups first, we just need the first matching group though
         const QList<TransferGroupHandler *> groups = KGet::allTransferGroups();
         foreach (TransferGroupHandler *group, groups) {
             if (urls.isEmpty()) {
                 break;
             }
 
             const QUrl folderUrl = QUrl::fromLocalFile(group->defaultFolder());
             if (UrlChecker::checkFolder(folderUrl) != UrlChecker::NoError) {
                 continue;
             }
 
             const QString groupName = group->name();
             const QStringList patterns = group->regExp().pattern().split(',');
 
             QList<QUrl>::iterator it = urls.begin();
             while (it != urls.end()) {
                 const QUrl sourceUrl = *it;
                 if (KGet::matchesExceptions(sourceUrl, patterns)) {
                     const QUrl destUrl = UrlChecker::destUrl(folderUrl, sourceUrl);
                     newDest = check.checkExistingFile(sourceUrl, destUrl);
                     if (!newDest.isEmpty()) {
                         data << KGet::TransferData(sourceUrl, newDest, groupName);
                     }
 
                     it = urls.erase(it);
                 } else {
                     ++it;
                 }
             }
         }
     }
 
     /// Download the rest of the urls to QStandardPaths::writableLocation(QStandardPaths::DownloadLocation) if the user is not aksed for a destination
     if (!Settings::askForDestination()) {
         // the download path will be always used
         const QString dir = QStandardPaths::writableLocation(QStandardPaths::DownloadLocation);
         if (!dir.isEmpty()) {
             QList<QUrl>::iterator it = urls.begin();
             while (it != urls.end()) {
                 const QUrl sourceUrl = *it;
                 const QUrl destUrl = UrlChecker::destUrl(QUrl::fromLocalFile(dir), sourceUrl);
                 newDest = check.checkExistingFile(sourceUrl, destUrl);
                 if (!newDest.isEmpty()) {
                     data << KGet::TransferData(sourceUrl, newDest);
                 }
 
                 it = urls.erase(it);
             }
         }
     }
 
     /// Now create transfers for the urls that provided enough data
     if (!data.isEmpty()) {
         KGet::createTransfers(data);
     }
 
     /// Handle custom newtransferdialogs...
     if ((!m_dialog || m_dialog->isEmpty()) && urls.count() == 1) { // FIXME why the m_dialog check? whenever a dialog has been created this would not be shown?
         QUrl url = urls.first();
         QPointer<QDialog> dialog;
         foreach (TransferFactory *factory, KGet::factories()) {
             const QList<TransferGroupHandler *> groups = KGet::groupsFromExceptions(url);
             dialog = factory->createNewTransferDialog(url, suggestedFileName, !groups.isEmpty() ? groups.first() : nullptr);
             if (dialog) {
                 dialog->exec();
                 delete dialog;
             }
         }
     }
 
     m_numJobs.remove(jobId);
     m_urls.erase(itUrls);
 
     /// Display default NewTransferDialog
     if (!urls.isEmpty()) {
         createDialog(urls, suggestedFileName);
     }
 }
 
 void NewTransferDialogHandler::createDialog(const QList<QUrl> &urls, const QString &suggestedFileName)
 {
     if (!m_dialog) {
         m_dialog = new NewTransferDialog(KGet::m_mainWindow);
     }
 
     m_dialog->m_window = KGet::m_mainWindow;
     m_dialog->showDialog(urls, suggestedFileName);
 }
 
 #include "moc_newtransferdialog.cpp"