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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include "addtorrentdialog.h"
++ #include "metainfo.h"
++
++ #include <QFile>
++ #include <QFileDialog>
++ #include <QLineEdit>
++ #include <QMetaObject>
++
++ static QString stringNumber(qint64 number)
++ {
++ if (number > (1024 * 1024 * 1024))
++ return QString::asprintf("%.2fGB", number / (1024.0 * 1024.0 * 1024.0));
++ else if (number > (1024 * 1024))
++ return QString::asprintf("%.2fMB", number / (1024.0 * 1024.0));
++ else if (number > (1024))
++ return QString::asprintf("%.2fKB", number / (1024.0));
++ else
++ return QString::asprintf("%d bytes", int(number));
++ }
++
++ AddTorrentDialog::AddTorrentDialog(QWidget *parent)
++ : QDialog(parent, Qt::Sheet)
++ {
++ ui.setupUi(this);
++
++ connect(ui.browseTorrents, &QPushButton::clicked,
++ this, &AddTorrentDialog::selectTorrent);
++ connect(ui.browseDestination, &QPushButton::clicked,
++ this, &AddTorrentDialog::selectDestination);
++ connect(ui.torrentFile, &QLineEdit::textChanged,
++ this, &AddTorrentDialog::setTorrent);
++
++ ui.destinationFolder->setText(destinationDirectory = QDir::current().path());
++ ui.torrentFile->setFocus();
++ }
++
++ void AddTorrentDialog::selectTorrent()
++ {
++ QString fileName = QFileDialog::getOpenFileName(this, tr("Choose a torrent file"),
++ lastDirectory,
++ tr("Torrents (*.torrent);; All files (*.*)"));
++ if (fileName.isEmpty())
++ return;
++ lastDirectory = QFileInfo(fileName).absolutePath();
++ setTorrent(fileName);
++ }
++
++ void AddTorrentDialog::selectDestination()
++ {
++ QString dir = QFileDialog::getExistingDirectory(this, tr("Choose a destination directory"),
++ lastDestinationDirectory);
++ if (dir.isEmpty())
++ return;
++ lastDestinationDirectory = destinationDirectory = dir;
++ ui.destinationFolder->setText(destinationDirectory);
++ enableOkButton();
++ }
++
++ void AddTorrentDialog::enableOkButton()
++ {
++ ui.okButton->setEnabled(!ui.destinationFolder->text().isEmpty()
++ && !ui.torrentFile->text().isEmpty());
++ }
++
++ void AddTorrentDialog::setTorrent(const QString &torrentFile)
++ {
++ if (torrentFile.isEmpty()) {
++ enableOkButton();
++ return;
++ }
++
++ ui.torrentFile->setText(torrentFile);
++ if (!torrentFile.isEmpty())
++ lastDirectory = QFileInfo(torrentFile).absolutePath();
++
++ if (lastDestinationDirectory.isEmpty())
++ lastDestinationDirectory = lastDirectory;
++
++ MetaInfo metaInfo;
++ QFile torrent(torrentFile);
++ if (!torrent.open(QFile::ReadOnly) || !metaInfo.parse(torrent.readAll())) {
++ enableOkButton();
++ return;
++ }
++
++ ui.torrentFile->setText(torrentFile);
++ ui.announceUrl->setText(metaInfo.announceUrl());
++ if (metaInfo.comment().isEmpty())
++ ui.commentLabel->setText("<unknown>");
++ else
++ ui.commentLabel->setText(metaInfo.comment());
++ if (metaInfo.createdBy().isEmpty())
++ ui.creatorLabel->setText("<unknown>");
++ else
++ ui.creatorLabel->setText(metaInfo.createdBy());
++ ui.sizeLabel->setText(stringNumber(metaInfo.totalSize()));
++ if (metaInfo.fileForm() == MetaInfo::SingleFileForm) {
++ ui.torrentContents->setHtml(metaInfo.singleFile().name);
++ } else {
++ QString html;
++ const QList<MetaInfoMultiFile> multiFiles = metaInfo.multiFiles();
++ for (const MetaInfoMultiFile &file : multiFiles) {
++ QString name = metaInfo.name();
++ if (!name.isEmpty()) {
++ html += name;
++ if (!name.endsWith('/'))
++ html += '/';
++ }
++ html += file.path + "<br>";
++ }
++ ui.torrentContents->setHtml(html);
++ }
++
++ QFileInfo info(torrentFile);
++ ui.destinationFolder->setText(info.absolutePath());
++
++ enableOkButton();
++ }
++
++ QString AddTorrentDialog::torrentFileName() const
++ {
++ return ui.torrentFile->text();
++ }
++
++ QString AddTorrentDialog::destinationFolder() const
++ {
++ return ui.destinationFolder->text();
++ }