src/gui/properties/trackersadditiondialog.cpp

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2022  Mike Tzou (Chocobo1)
   4  * Copyright (C) 2006  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 "trackersadditiondialog.h"
  31
  32 #include <QMessageBox>
  33 #include <QSize>
  34 #include <QStringView>
  35 #include <QVector>
  36
  37 #include "base/bittorrent/torrent.h"
  38 #include "base/bittorrent/trackerentry.h"
  39 #include "base/global.h"
  40 #include "base/net/downloadmanager.h"
  41 #include "base/preferences.h"
  42 #include "gui/uithememanager.h"
  43 #include "ui_trackersadditiondialog.h"
  44
  45 #define SETTINGS_KEY(name) u"AddTrackersDialog/" name
  46
  47 TrackersAdditionDialog::TrackersAdditionDialog(QWidget *parent, BitTorrent::Torrent *const torrent)
  48     : QDialog(parent)
  49     , m_ui(new Ui::TrackersAdditionDialog)
  50     , m_torrent(torrent)
  51     , m_storeDialogSize(SETTINGS_KEY(u"Size"_qs))
  52     , m_storeTrackersListURL(SETTINGS_KEY(u"TrackersListURL"_qs))
  53 {
  54     m_ui->setupUi(this);
  55
  56     m_ui->downloadButton->setIcon(UIThemeManager::instance()->getIcon(u"downloading"_qs, u"download"_qs));
  57     m_ui->buttonBox->button(QDialogButtonBox::Ok)->setText(tr("Add"));
  58
  59     connect(m_ui->downloadButton, &QAbstractButton::clicked, this, &TrackersAdditionDialog::onDownloadButtonClicked);
  60     connect(this, &QDialog::accepted, this, &TrackersAdditionDialog::onAccepted);
  61
  62     loadSettings();
  63 }
  64
  65 TrackersAdditionDialog::~TrackersAdditionDialog()
  66 {
  67     saveSettings();
  68
  69     delete m_ui;
  70 }
  71
  72 void TrackersAdditionDialog::onAccepted() const
  73 {
  74     const QVector<BitTorrent::TrackerEntry> entries = BitTorrent::parseTrackerEntries(m_ui->textEditTrackersList->toPlainText());
  75     m_torrent->addTrackers(entries);
  76 }
  77
  78 void TrackersAdditionDialog::onDownloadButtonClicked()
  79 {
  80     const QString url = m_ui->lineEditListURL->text();
  81     if (url.isEmpty())
  82     {
  83         QMessageBox::warning(this, tr("Trackers list URL error"), tr("The trackers list URL cannot be empty"));
  84         return;
  85     }
  86
  87     // Just to show that it takes times
  88     m_ui->downloadButton->setEnabled(false);
  89     setCursor(Qt::WaitCursor);
  90
  91     Net::DownloadManager::instance()->download(url, Preferences::instance()->useProxyForGeneralPurposes()
  92             , this, &TrackersAdditionDialog::onTorrentListDownloadFinished);
  93 }
  94
  95 void TrackersAdditionDialog::onTorrentListDownloadFinished(const Net::DownloadResult &result)
  96 {
  97     // Restore the cursor, buttons...
  98     m_ui->downloadButton->setEnabled(true);
  99     setCursor(Qt::ArrowCursor);
 100
 101     if (result.status != Net::DownloadStatus::Success)
 102     {
 103         QMessageBox::warning(this, tr("Download trackers list error")
 104             , tr("Error occurred when downloading the trackers list. Reason: \"%1\"").arg(result.errorString));
 105         return;
 106     }
 107
 108     // Add fetched trackers to the list
 109     const QString existingText = m_ui->textEditTrackersList->toPlainText();
 110     if (!existingText.isEmpty() && !existingText.endsWith(u'\n'))
 111         m_ui->textEditTrackersList->insertPlainText(u"\n"_qs);
 112
 113     // append the data as-is
 114     const auto trackers = QString::fromUtf8(result.data).trimmed();
 115     m_ui->textEditTrackersList->insertPlainText(trackers);
 116 }
 117
 118 void TrackersAdditionDialog::saveSettings()
 119 {
 120     m_storeDialogSize = size();
 121     m_storeTrackersListURL = m_ui->lineEditListURL->text();
 122 }
 123
 124 void TrackersAdditionDialog::loadSettings()
 125 {
 126     if (const QSize dialogSize = m_storeDialogSize; dialogSize.isValid())
 127         resize(dialogSize);
 128     m_ui->lineEditListURL->setText(m_storeTrackersListURL);
 129 }