Some work about adaptive color scheme for Web UI (PR #19901) http://[316:c51a:62a3:8b9::4]/d4708/qBittorrent/src/branch/adaptive-webui
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/*
* Bittorrent Client using Qt4 and libtorrent.
* Copyright (C) 2010 Christophe Dumez
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* In addition, as a special exception, the copyright holders give permission to
* link this program with the OpenSSL project's "OpenSSL" library (or with
* modified versions of it that use the same license as the "OpenSSL" library),
* and distribute the linked executables. You must obey the GNU General Public
* License in all respects for all of the code used other than "OpenSSL". If you
* modify file(s), you may extend this exception to your version of the file(s),
* but you are not obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*
* Contact : chris@qbittorrent.org
*/
#include <QXmlStreamReader>
#include <QDesktopServices>
#include <QDebug>
#include <QRegExp>
#include <QStringList>
#include "base/utils/fs.h"
#include "base/net/downloadmanager.h"
#include "base/net/downloadhandler.h"
#include "programupdater.h"
namespace
{
const QString RSS_URL("https://www.fosshub.com/software/feedqBittorent");
#ifdef Q_OS_MAC
const QString OS_TYPE("Mac OS X");
#elif defined(Q_OS_WIN) && (defined(__x86_64__) || defined(_M_X64))
const QString OS_TYPE("Windows x64");
#else
const QString OS_TYPE("Windows");
#endif
QString getStringValue(QXmlStreamReader &xml);
}
ProgramUpdater::ProgramUpdater(QObject *parent, bool invokedByUser)
: QObject(parent)
, m_invokedByUser(invokedByUser)
{
}
void ProgramUpdater::checkForUpdates()
{
Net::DownloadHandler *handler = Net::DownloadManager::instance()->downloadUrl(
RSS_URL, false, 0, false,
// Don't change this User-Agent. In case our updater goes haywire,
// the filehost can identify it and contact us.
QString("qBittorrent/%1 ProgramUpdater (www.qbittorrent.org)").arg(VERSION));
connect(handler, SIGNAL(downloadFinished(QString,QByteArray)), SLOT(rssDownloadFinished(QString,QByteArray)));
connect(handler, SIGNAL(downloadFailed(QString,QString)), SLOT(rssDownloadFailed(QString,QString)));
}
void ProgramUpdater::rssDownloadFinished(const QString &url, const QByteArray &data)
{
Q_UNUSED(url);
qDebug("Finished downloading the new qBittorrent updates RSS");
QString version;
QXmlStreamReader xml(data);
bool inItem = false;
QString updateLink;
QString type;
while (!xml.atEnd()) {
xml.readNext();
if (xml.isStartElement()) {
if (xml.name() == "item")
inItem = true;
else if (inItem && xml.name() == "link")
updateLink = getStringValue(xml);
else if (inItem && xml.name() == "type")
type = getStringValue(xml);
else if (inItem && xml.name() == "version")
version = getStringValue(xml);
}
else if (xml.isEndElement()) {
if (inItem && xml.name() == "item") {
if (type.compare(OS_TYPE, Qt::CaseInsensitive) == 0) {
qDebug("The last update available is %s", qPrintable(version));
if (!version.isEmpty()) {
qDebug("Detected version is %s", qPrintable(version));
if (isVersionMoreRecent(version))
m_updateUrl = updateLink;
}
break;
}
inItem = false;
updateLink.clear();
type.clear();
version.clear();
}
}
}
emit updateCheckFinished(!m_updateUrl.isEmpty(), version, m_invokedByUser);
}
void ProgramUpdater::rssDownloadFailed(const QString &url, const QString &error)
{
Q_UNUSED(url);
qDebug() << "Downloading the new qBittorrent updates RSS failed:" << error;
emit updateCheckFinished(false, QString(), m_invokedByUser);
}
void ProgramUpdater::updateProgram()
{
Q_ASSERT(!m_updateUrl.isEmpty());
QDesktopServices::openUrl(m_updateUrl);
return;
}
bool ProgramUpdater::isVersionMoreRecent(const QString &remoteVersion) const
{
QRegExp regVer("([0-9.]+)");
if (regVer.indexIn(QString(VERSION)) >= 0) {
QString localVersion = regVer.cap(1);
qDebug() << Q_FUNC_INFO << "local version:" << localVersion << "/" << VERSION;
QStringList remoteParts = remoteVersion.split('.');
QStringList localParts = localVersion.split('.');
for (int i = 0; i<qMin(remoteParts.size(), localParts.size()); ++i) {
if (remoteParts[i].toInt() > localParts[i].toInt())
return true;
if (remoteParts[i].toInt() < localParts[i].toInt())
return false;
}
// Compared parts were equal, if remote version is longer, then it's more recent (2.9.2.1 > 2.9.2)
if (remoteParts.size() > localParts.size())
return true;
// versions are equal, check if the local version is a development release, in which case it is older (2.9.2beta < 2.9.2)
QRegExp regDevel("(alpha|beta|rc)");
if (regDevel.indexIn(VERSION) >= 0)
return true;
}
return false;
}
namespace
{
QString getStringValue(QXmlStreamReader &xml)
{
xml.readNext();
if (xml.isCharacters() && !xml.isWhitespace())
return xml.text().toString();
return QString();
}
}