Christophe Dumez
16 years ago
8 changed files with 886 additions and 643 deletions
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/*
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* Bittorrent Client using Qt4 and libtorrent. |
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* Copyright (C) 2006 Christophe Dumez, Arnaud Demaiziere |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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* |
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* In addition, as a special exception, the copyright holders give permission to |
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* link this program with the OpenSSL project's "OpenSSL" library (or with |
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* modified versions of it that use the same license as the "OpenSSL" library), |
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* and distribute the linked executables. You must obey the GNU General Public |
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* License in all respects for all of the code used other than "OpenSSL". If you |
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* modify file(s), you may extend this exception to your version of the file(s), |
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* but you are not obligated to do so. If you do not wish to do so, delete this |
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* exception statement from your version. |
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* |
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* Contact : chris@qbittorrent.org arnaud@qbittorrent.org |
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*/ |
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#include "rss.h" |
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#include <QTimer> |
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/** RssFolder **/ |
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RssFolder::RssFolder(RssFolder *parent, RssManager *rssmanager, bittorrent *BTSession, QString name): parent(parent), rssmanager(rssmanager), BTSession(BTSession), name(name) { |
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downloader = new downloadThread(this); |
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connect(downloader, SIGNAL(downloadFinished(QString, QString)), this, SLOT(processFinishedDownload(QString, QString))); |
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connect(downloader, SIGNAL(downloadFailure(QString, QString)), this, SLOT(handleDownloadFailure(QString, QString))); |
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} |
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RssFolder::~RssFolder() { |
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qDebug("Deleting downloader thread"); |
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qDeleteAll(this->values()); |
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delete downloader; |
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} |
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unsigned int RssFolder::getNbUnRead() const { |
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// FIXME
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return 0; |
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} |
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RssFile::FileType RssFolder::getType() const { |
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return RssFile::FOLDER; |
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} |
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QStringList RssFolder::getPath() const { |
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QStringList path; |
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if(parent) { |
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path = parent->getPath(); |
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path.append(name); |
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} |
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return path; |
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} |
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void RssFolder::refreshAll(){ |
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qDebug("Refreshing all rss feeds"); |
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QList<RssFile*> items = this->values(); |
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for(int i=0; i<items.size(); ++i) { |
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//foreach(RssFile *item, *this){
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RssFile *item = items.at(i); |
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if(item->getType() == RssFile::STREAM) { |
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RssStream* stream = (RssStream*) item; |
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QString url = stream->getUrl(); |
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if(stream->isLoading()) return; |
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stream->setLoading(true); |
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downloader->downloadUrl(url); |
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if(!stream->hasCustomIcon()){ |
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downloader->downloadUrl(stream->getIconUrl()); |
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} |
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} else { |
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RssFolder *folder = (RssFolder*)item; |
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folder->refreshAll(); |
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} |
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} |
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} |
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void RssFolder::removeFile(QStringList full_path) { |
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QString name = full_path.last(); |
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if(full_path.size() == 1) { |
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Q_ASSERT(this->contains(name)); |
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delete this->take(name); |
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} else { |
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QString subfolder_name = full_path.takeFirst(); |
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Q_ASSERT(this->contains(subfolder_name)); |
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RssFolder *subfolder = (RssFolder*)this->value(subfolder_name); |
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subfolder->removeFile(full_path); |
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} |
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} |
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RssFolder* RssFolder::addFolder(QStringList full_path) { |
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QString name = full_path.last(); |
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if(full_path.size() == 1) { |
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Q_ASSERT(!this->contains(name)); |
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RssFolder *subfolder = new RssFolder(this, rssmanager, BTSession, name); |
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(*this)[name] = subfolder; |
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} else { |
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QString subfolder_name = full_path.takeFirst(); |
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// Check if the subfolder exists and create it if it does not
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if(!this->contains(subfolder_name)) { |
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qDebug("Creating subfolder %s which did not exist", subfolder_name.toLocal8Bit().data()); |
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(*this)[subfolder_name] = new RssFolder(this, rssmanager, BTSession, subfolder_name); |
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} |
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Q_ASSERT(this->contains(subfolder_name)); |
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RssFolder *subfolder = (RssFolder*)this->value(subfolder_name); |
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return subfolder->addFolder(full_path); |
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} |
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} |
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RssStream* RssFolder::addStream(QStringList full_path) { |
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QString url = full_path.last(); |
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if(full_path.size() == 1) { |
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if(this->contains(url)){ |
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qDebug("Not adding the Rss stream because it is already in the list"); |
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return 0; |
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} |
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RssStream* stream = new RssStream(this, rssmanager, BTSession, url); |
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(*this)[url] = stream; |
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refresh(full_path); |
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return stream; |
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} else { |
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QString subfolder_name = full_path.takeFirst(); |
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// Check if the subfolder exists and create it if it does not
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if(!this->contains(subfolder_name)) { |
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qDebug("Creating subfolder %s which did not exist", subfolder_name.toLocal8Bit().data()); |
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(*this)[subfolder_name] = new RssFolder(this, rssmanager, BTSession, subfolder_name); |
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} |
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Q_ASSERT(this->contains(subfolder_name)); |
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RssFolder *subfolder = (RssFolder*)this->value(subfolder_name); |
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return subfolder->addStream(full_path); |
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} |
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} |
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void RssFolder::refresh(QStringList full_path) { |
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QString url = full_path.last(); |
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if(full_path.size() == 1) { |
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qDebug("Refreshing feed: %s", url.toLocal8Bit().data()); |
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Q_ASSERT(this->contains(url)); |
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RssStream *stream = (RssStream*)this->value(url); |
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if(stream->isLoading()) return; |
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stream->setLoading(true); |
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downloader->downloadUrl(url); |
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if(!stream->hasCustomIcon()){ |
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downloader->downloadUrl(stream->getIconUrl()); |
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}else{ |
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qDebug("No need to download this feed's icon, it was already downloaded"); |
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} |
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} else { |
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QString subfolder_name = full_path.takeFirst(); |
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Q_ASSERT(this->contains(subfolder_name)); |
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RssFolder *subfolder = (RssFolder*)this->value(subfolder_name); |
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subfolder->refresh(full_path); |
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} |
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} |
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RssFile* RssFolder::getFile(QStringList full_path) const { |
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QString name = full_path.last(); |
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if(full_path.size() == 1) { |
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Q_ASSERT(this->contains(name)); |
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return (*this)[name]; |
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} else { |
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QString subfolder_name = full_path.takeFirst(); |
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Q_ASSERT(this->contains(subfolder_name)); |
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RssFolder *subfolder = (RssFolder*)this->value(subfolder_name); |
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return subfolder->getFile(full_path); |
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} |
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} |
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QList<RssFile*> RssFolder::getContent() const { |
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return this->values(); |
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} |
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unsigned int RssFolder::getNbFeeds() const { |
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unsigned int nbFeeds = 0; |
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foreach(RssFile* item, this->values()) { |
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if(item->getType() == RssFile::FOLDER) |
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nbFeeds += ((RssFolder*)item)->getNbFeeds(); |
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else |
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nbFeeds += 1; |
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} |
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return nbFeeds; |
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} |
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void RssFolder::processFinishedDownload(QString url, QString path) { |
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if(url.endsWith("favicon.ico")){ |
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// Icon downloaded
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QImage fileIcon; |
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if(fileIcon.load(path)) { |
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QList<RssStream*> res = findFeedsWithIcon(url); |
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RssStream* stream; |
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foreach(stream, res){ |
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stream->setIconPath(path); |
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if(!stream->isLoading()) |
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rssmanager->forwardFeedIconChanged(stream->getUrl(), stream->getIconPath()); |
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} |
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}else{ |
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qDebug("Unsupported icon format at %s", (const char*)url.toLocal8Bit()); |
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} |
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return; |
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} |
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RssStream *stream = (RssStream*)this->value(url, 0); |
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if(!stream){ |
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qDebug("This rss stream was deleted in the meantime, nothing to update"); |
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return; |
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} |
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stream->processDownloadedFile(path); |
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stream->setLoading(false); |
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// If the feed has no alias, then we use the title as Alias
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// this is more user friendly
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if(stream->getName().isEmpty()){ |
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if(!stream->getTitle().isEmpty()) |
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stream->rename(QStringList(), stream->getTitle()); |
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} |
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rssmanager->forwardFeedInfosChanged(url, stream->getName(), stream->getNbUnRead()); |
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} |
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void RssFolder::handleDownloadFailure(QString url, QString reason) { |
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if(url.endsWith("favicon.ico")){ |
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// Icon download failure
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qDebug("Could not download icon at %s, reason: %s", (const char*)url.toLocal8Bit(), (const char*)reason.toLocal8Bit()); |
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return; |
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} |
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RssStream *stream = (RssStream*)this->value(url, 0); |
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if(!stream){ |
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qDebug("This rss stream was deleted in the meantime, nothing to update"); |
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return; |
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} |
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stream->setLoading(false); |
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qDebug("Could not download Rss at %s, reason: %s", (const char*)url.toLocal8Bit(), (const char*)reason.toLocal8Bit()); |
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stream->setDownloadFailed(); |
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rssmanager->forwardFeedInfosChanged(url, stream->getName(), stream->getNbUnRead()); |
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} |
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QList<RssStream*> RssFolder::findFeedsWithIcon(QString icon_url) const { |
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QList<RssStream*> res; |
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RssFile* item; |
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foreach(item, this->values()){ |
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if(item->getType() == RssFile::STREAM && ((RssStream*)item)->getIconUrl() == icon_url) |
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res << (RssStream*)item; |
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} |
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return res; |
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} |
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QString RssFolder::getName() const { |
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return name; |
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} |
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void RssFolder::rename(QStringList full_path, QString new_name) { |
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if(full_path.size() == 1) { |
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name = new_name; |
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} else { |
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QString child_name = full_path.takeFirst(); |
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Q_ASSERT(this->contains(child_name)); |
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RssFile *child = (RssFile*)this->value(child_name); |
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if(full_path.empty()) { |
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// Child is renamed, update QHash
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Q_ASSERT(!this->contains(new_name)); |
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(*this)[new_name] = this->take(child_name); |
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} |
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child->rename(full_path, new_name); |
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} |
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} |
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void RssFolder::markAllAsRead() { |
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foreach(RssFile *item, this->values()) { |
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item->markAllAsRead(); |
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} |
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} |
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QList<RssStream*> RssFolder::getAllFeeds() const { |
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QList<RssStream*> streams; |
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foreach(RssFile *item, this->values()) { |
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if(item->getType() == RssFile::STREAM) { |
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streams << ((RssStream*)item); |
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} else { |
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foreach(RssStream* stream, ((RssFolder*)item)->getAllFeeds()) { |
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streams << stream; |
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} |
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} |
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} |
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return streams; |
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} |
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/** RssManager **/ |
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RssManager::RssManager(bittorrent *BTSession): RssFolder(0, this, BTSession, QString::null) { |
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loadStreamList(); |
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connect(&newsRefresher, SIGNAL(timeout()), this, SLOT(refreshAll())); |
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QSettings settings(QString::fromUtf8("qBittorrent"), QString::fromUtf8("qBittorrent")); |
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refreshInterval = settings.value(QString::fromUtf8("Preferences/RSS/RSSRefresh"), 5).toInt(); |
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newsRefresher.start(refreshInterval*60000); |
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} |
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RssManager::~RssManager(){ |
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qDebug("Deleting RSSManager"); |
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saveStreamList(); |
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qDebug("RSSManager deleted"); |
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} |
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void RssManager::loadStreamList(){ |
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QSettings settings("qBittorrent", "qBittorrent"); |
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QStringList streamsUrl = settings.value("Rss/streamList").toStringList(); |
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QStringList aliases = settings.value("Rss/streamAlias").toStringList(); |
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if(streamsUrl.size() != aliases.size()){ |
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std::cerr << "Corrupted Rss list, not loading it\n"; |
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return; |
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} |
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unsigned int i = 0; |
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foreach(QString s, streamsUrl){ |
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QStringList path = s.split("\\"); |
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if(path.empty()) continue; |
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RssStream *stream = this->addStream(path); |
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QString alias = aliases.at(i); |
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if(!alias.isEmpty()) { |
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stream->rename(QStringList(), alias); |
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} |
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++i; |
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} |
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qDebug("NB RSS streams loaded: %d", streamsUrl.size()); |
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} |
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void RssManager::forwardFeedInfosChanged(QString url, QString aliasOrUrl, unsigned int nbUnread) { |
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emit feedInfosChanged(url, aliasOrUrl, nbUnread); |
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} |
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void RssManager::forwardFeedIconChanged(QString url, QString icon_path) { |
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emit feedIconChanged(url, icon_path); |
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} |
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void RssManager::saveStreamList(){ |
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QList<QPair<QString, QString> > streamsList; |
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QStringList streamsUrl; |
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QStringList aliases; |
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QList<RssStream*> streams = getAllFeeds(); |
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foreach(RssStream *stream, streams) { |
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streamsUrl << stream->getPath().join("\\"); |
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aliases << stream->getName(); |
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} |
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QSettings settings("qBittorrent", "qBittorrent"); |
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settings.beginGroup("Rss"); |
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// FIXME: Empty folder are not saved
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settings.setValue("streamList", streamsUrl); |
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settings.setValue("streamAlias", aliases); |
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settings.endGroup(); |
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} |
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/** RssStream **/ |
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RssStream::RssStream(RssFolder* parent, RssManager *rssmanager, bittorrent *BTSession, QString _url): parent(parent), rssmanager(rssmanager), BTSession(BTSession), url(_url), alias(""), iconPath(":/Icons/rss16.png"), refreshed(false), downloadFailure(false), currently_loading(false) { |
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qDebug("RSSStream constructed"); |
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QSettings qBTRSS("qBittorrent", "qBittorrent-rss"); |
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QHash<QString, QVariant> all_old_items = qBTRSS.value("old_items", QHash<QString, QVariant>()).toHash(); |
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QVariantList old_items = all_old_items.value(url, QVariantList()).toList(); |
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qDebug("Loading %d old items for feed %s", old_items.size(), getName().toLocal8Bit().data()); |
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foreach(const QVariant &var_it, old_items) { |
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QHash<QString, QVariant> item = var_it.toHash(); |
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RssItem *rss_item = RssItem::fromHash(item); |
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if(rss_item->isValid()) |
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listItem << rss_item; |
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} |
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} |
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RssStream::~RssStream(){ |
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if(refreshed) { |
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QSettings qBTRSS("qBittorrent", "qBittorrent-rss"); |
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QVariantList old_items; |
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foreach(RssItem *item, listItem) { |
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old_items << item->toHash(); |
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} |
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qDebug("Saving %d old items for feed %s", old_items.size(), getName().toLocal8Bit().data()); |
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QHash<QString, QVariant> all_old_items = qBTRSS.value("old_items", QHash<QString, QVariant>()).toHash(); |
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all_old_items[url] = old_items; |
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qBTRSS.setValue("old_items", all_old_items); |
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} |
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removeAllItems(); |
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if(QFile::exists(filePath)) |
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QFile::remove(filePath); |
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if(QFile::exists(iconPath) && !iconPath.startsWith(":/")) |
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QFile::remove(iconPath); |
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} |
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RssFile::FileType RssStream::getType() const { |
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return RssFile::STREAM; |
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} |
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void RssStream::refresh() { |
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QStringList path; |
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path << url; |
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parent->refresh(path); |
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} |
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QStringList RssStream::getPath() const { |
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QStringList path = parent->getPath(); |
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path.append(url); |
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return path; |
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} |
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// delete all the items saved
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void RssStream::removeAllItems() { |
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qDeleteAll(listItem); |
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listItem.clear(); |
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} |
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bool RssStream::itemAlreadyExists(QString hash) { |
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RssItem * item; |
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foreach(item, listItem) { |
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if(item->getHash() == hash) return true; |
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} |
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return false; |
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} |
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void RssStream::setLoading(bool val) { |
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currently_loading = val; |
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} |
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bool RssStream::isLoading() { |
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return currently_loading; |
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} |
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QString RssStream::getTitle() const{ |
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return title; |
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} |
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void RssStream::rename(QStringList, QString new_name){ |
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qDebug("Renaming stream to %s", new_name.toLocal8Bit().data()); |
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alias = new_name; |
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} |
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// Return the alias if the stream has one, the url if it has no alias
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QString RssStream::getName() const{ |
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if(!alias.isEmpty()) { |
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qDebug("getName() returned alias: %s", (const char*)alias.toLocal8Bit()); |
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return alias; |
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} |
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if(!title.isEmpty()) { |
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qDebug("getName() returned title: %s", (const char*)title.toLocal8Bit()); |
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return title; |
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} |
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qDebug("getName() returned url: %s", (const char*)url.toLocal8Bit()); |
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return url; |
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} |
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QString RssStream::getLink() const{ |
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return link; |
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} |
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QString RssStream::getUrl() const{ |
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return url; |
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} |
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QString RssStream::getDescription() const{ |
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return description; |
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} |
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QString RssStream::getImage() const{ |
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return image; |
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} |
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QString RssStream::getFilePath() const{ |
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return filePath; |
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} |
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QString RssStream::getIconPath() const{ |
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if(downloadFailure) |
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return ":/Icons/oxygen/unavailable.png"; |
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return iconPath; |
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} |
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bool RssStream::hasCustomIcon() const{ |
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return !iconPath.startsWith(":/"); |
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} |
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void RssStream::setIconPath(QString path) { |
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iconPath = path; |
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} |
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RssItem* RssStream::getItem(unsigned int index) const{ |
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return listItem.at(index); |
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} |
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unsigned int RssStream::getNbNews() const{ |
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return listItem.size(); |
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} |
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void RssStream::markAllAsRead() { |
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RssItem *item; |
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foreach(item, listItem){ |
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if(!item->isRead()) |
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item->setRead(); |
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} |
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} |
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|
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unsigned int RssStream::getNbUnRead() const{ |
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unsigned int nbUnread=0; |
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RssItem *item; |
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foreach(item, listItem){ |
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if(!item->isRead()) |
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++nbUnread; |
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} |
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return nbUnread; |
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} |
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QList<RssItem*> RssStream::getNewsList() const{ |
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return listItem; |
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} |
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|
||||
// download the icon from the adress
|
||||
QString RssStream::getIconUrl() { |
||||
QUrl siteUrl(url); |
||||
return QString::fromUtf8("http://")+siteUrl.host()+QString::fromUtf8("/favicon.ico"); |
||||
} |
||||
|
||||
// read and create items from a rss document
|
||||
short RssStream::readDoc(const QDomDocument& doc) { |
||||
// is it a rss file ?
|
||||
QDomElement root = doc.documentElement(); |
||||
if(root.tagName() == QString::fromUtf8("html")){ |
||||
qDebug("the file is empty, maybe the url is invalid or the server is too busy"); |
||||
return -1; |
||||
} |
||||
else if(root.tagName() != QString::fromUtf8("rss")){ |
||||
qDebug("the file is not a rss stream, <rss> omitted: %s", root.tagName().toLocal8Bit().data()); |
||||
return -1; |
||||
} |
||||
QDomNode rss = root.firstChild(); |
||||
QDomElement channel = root.firstChild().toElement(); |
||||
|
||||
while(!channel.isNull()) { |
||||
// we are reading the rss'main info
|
||||
if (channel.tagName() == "channel") { |
||||
QDomElement property = channel.firstChild().toElement(); |
||||
while(!property.isNull()) { |
||||
if (property.tagName() == "title") { |
||||
title = property.text(); |
||||
if(alias==getUrl()) |
||||
rename(QStringList(), title); |
||||
} |
||||
else if (property.tagName() == "link") |
||||
link = property.text(); |
||||
else if (property.tagName() == "description") |
||||
description = property.text(); |
||||
else if (property.tagName() == "image") |
||||
image = property.text(); |
||||
else if(property.tagName() == "item") { |
||||
RssItem * item = new RssItem(property); |
||||
if(item->isValid() && !itemAlreadyExists(item->getHash())) { |
||||
listItem.append(item); |
||||
// Check if the item should be automatically downloaded
|
||||
FeedFilter * matching_filter = FeedFilters::getFeedFilters(url).matches(item->getTitle()); |
||||
if(matching_filter != 0) { |
||||
// Download the torrent
|
||||
BTSession->addConsoleMessage(tr("Automatically downloading %1 torrent from %2 RSS feed...").arg(item->getTitle()).arg(getName())); |
||||
if(matching_filter->isValid()) { |
||||
QString save_path = matching_filter->getSavePath(); |
||||
if(save_path.isEmpty()) |
||||
BTSession->downloadUrlAndSkipDialog(item->getTorrentUrl()); |
||||
else |
||||
BTSession->downloadUrlAndSkipDialog(item->getTorrentUrl(), save_path); |
||||
} else { |
||||
// All torrents are downloaded from this feed
|
||||
BTSession->downloadUrlAndSkipDialog(item->getTorrentUrl()); |
||||
} |
||||
// Item was downloaded, consider it as Read
|
||||
item->setRead(); |
||||
// Clean up
|
||||
delete matching_filter; |
||||
} |
||||
} else { |
||||
delete item; |
||||
} |
||||
} |
||||
property = property.nextSibling().toElement(); |
||||
} |
||||
} |
||||
channel = channel.nextSibling().toElement(); |
||||
} |
||||
sortList(); |
||||
resizeList(); |
||||
return 0; |
||||
} |
||||
|
||||
void RssStream::insertSortElem(QList<RssItem*> &list, RssItem *item) { |
||||
int i = 0; |
||||
while(i < list.size() && item->getDate() < list.at(i)->getDate()) { |
||||
++i; |
||||
} |
||||
list.insert(i, item); |
||||
} |
||||
|
||||
void RssStream::sortList() { |
||||
QList<RssItem*> new_list; |
||||
RssItem *item; |
||||
foreach(item, listItem) { |
||||
insertSortElem(new_list, item); |
||||
} |
||||
listItem = new_list; |
||||
} |
||||
|
||||
void RssStream::resizeList() { |
||||
QSettings settings(QString::fromUtf8("qBittorrent"), QString::fromUtf8("qBittorrent")); |
||||
unsigned int max_articles = settings.value(QString::fromUtf8("Preferences/RSS/RSSMaxArticlesPerFeed"), 100).toInt(); |
||||
int excess = listItem.size() - max_articles; |
||||
if(excess <= 0) return; |
||||
for(int i=0; i<excess; ++i){ |
||||
delete listItem.takeLast(); |
||||
} |
||||
} |
||||
|
||||
// existing and opening test after download
|
||||
short RssStream::openRss(){ |
||||
qDebug("openRss() called"); |
||||
QDomDocument doc("Rss Seed"); |
||||
QFile fileRss(filePath); |
||||
if(!fileRss.open(QIODevice::ReadOnly | QIODevice::Text)) { |
||||
qDebug("openRss error: open failed, no file or locked, %s", (const char*)filePath.toLocal8Bit()); |
||||
if(QFile::exists(filePath)) { |
||||
fileRss.remove(); |
||||
} |
||||
return -1; |
||||
} |
||||
if(!doc.setContent(&fileRss)) { |
||||
qDebug("can't read temp file, might be empty"); |
||||
fileRss.close(); |
||||
if(QFile::exists(filePath)) { |
||||
fileRss.remove(); |
||||
} |
||||
return -1; |
||||
} |
||||
// start reading the xml
|
||||
short return_lecture = readDoc(doc); |
||||
fileRss.close(); |
||||
if(QFile::exists(filePath)) { |
||||
fileRss.remove(); |
||||
} |
||||
return return_lecture; |
||||
} |
||||
|
||||
// read and store the downloaded rss' informations
|
||||
void RssStream::processDownloadedFile(QString file_path) { |
||||
filePath = file_path; |
||||
downloadFailure = false; |
||||
if(openRss() >= 0) { |
||||
refreshed = true; |
||||
} else { |
||||
qDebug("OpenRss: Feed update Failed"); |
||||
} |
||||
} |
||||
|
||||
void RssStream::setDownloadFailed(){ |
||||
downloadFailure = true; |
||||
} |
||||
Loading…
Reference in new issue