qt5base-lts/examples/network/torrent/addtorrentdialog.cpp
Iikka Eklund be15856f61 Change copyrights from Nokia to Digia
Change copyrights and license headers from Nokia to Digia

Change-Id: If1cc974286d29fd01ec6c19dd4719a67f4c3f00e
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
2012-09-22 19:20:11 +02:00

170 lines
5.8 KiB
C++

/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "addtorrentdialog.h"
#include "metainfo.h"
#include <QFile>
#include <QFileDialog>
#include <QLineEdit>
#include <QMetaObject>
static QString stringNumber(qint64 number)
{
QString tmp;
if (number > (1024 * 1024 * 1024))
tmp.sprintf("%.2fGB", number / (1024.0 * 1024.0 * 1024.0));
else if (number > (1024 * 1024))
tmp.sprintf("%.2fMB", number / (1024.0 * 1024.0));
else if (number > (1024))
tmp.sprintf("%.2fKB", number / (1024.0));
else
tmp.sprintf("%d bytes", int(number));
return tmp;
}
AddTorrentDialog::AddTorrentDialog(QWidget *parent)
: QDialog(parent, Qt::Sheet)
{
ui.setupUi(this);
connect(ui.browseTorrents, SIGNAL(clicked()),
this, SLOT(selectTorrent()));
connect(ui.browseDestination, SIGNAL(clicked()),
this, SLOT(selectDestination()));
connect(ui.torrentFile, SIGNAL(textChanged(QString)),
this, SLOT(setTorrent(QString)));
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;
foreach (MetaInfoMultiFile file, metaInfo.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();
}