mirror of
https://github.com/qbittorrent/qBittorrent.git
synced 2024-12-15 20:51:39 +03:00
577 lines
16 KiB
C++
577 lines
16 KiB
C++
/*
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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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* Contact : chris@qbittorrent.org, arnaud@qbittorrent.org
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*/
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#ifndef RSS_H
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#define RSS_H
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// MAX ITEM A STREAM
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#define STREAM_MAX_ITEM 18
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// FIXME: not used yet
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#define GLOBAL_MAX_ITEM 150
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// avoid crash if too many refresh
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#define REFRESH_FREQ_MAX 5000
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// type of refresh
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#define ICON 0
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#define NEWS 1
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#define LATENCY 2
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#include <QFile>
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#include <QImage>
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#include <QList>
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#include <curl/curl.h>
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#include <QTemporaryFile>
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#include <QSettings>
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#include <QDomDocument>
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#include <QTime>
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#include <QUrl>
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#include "misc.h"
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#include "downloadThread.h"
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class RssManager;
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class RssStream;
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class RssItem;
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// Item of a rss stream, single information
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class RssItem{
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private:
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QString title;
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QString link;
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QString description;
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QString image;
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bool read;
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QString downloadLink;
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public:
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// public constructor
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RssItem(const QDomElement& properties){
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read = false;
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downloadLink = "none";
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QDomElement property = properties.firstChild().toElement();
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while(!property.isNull()) {
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if (property.tagName() == "title")
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title = property.text();
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else if (property.tagName() == "link")
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link = property.text();
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else if (property.tagName() == "description")
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description = property.text();
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else if (property.tagName() == "image")
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image = property.text();
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property = property.nextSibling().toElement();
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}
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}
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~RssItem(){
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}
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QString getTitle() const{
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return title;
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}
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QString getLink() const{
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return link;
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}
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QString getDescription() const{
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return description;
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}
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QString getImage() const{
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return image;
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}
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QString getDownloadLink() const{
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return downloadLink;
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}
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bool isRead() const{
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return read;
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}
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void setRead(){
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read = true;
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}
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};
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// Rss stream, loaded form an xml file
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class RssStream : public QObject{
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Q_OBJECT
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private:
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QString title;
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QString alias;
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QString link;
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QString description;
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QString image;
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QString url;
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QString filePath;
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QString iconPath;
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QList<RssItem*> listItem;
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downloadThread* downloaderRss;
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downloadThread* downloaderIcon;
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QTime lastRefresh;
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bool read;
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signals:
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void refreshFinished(const QString& msg, const unsigned short& type);
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public slots :
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// read and store the downloaded rss' informations
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void processDownloadedFile(const QString&, const QString& file_path, int return_code, const QString&) {
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// delete the former file
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if(QFile::exists(filePath)) {
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QFile::remove(filePath);
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}
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filePath = file_path;
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if(return_code){
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// Download failed
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qDebug("(download failure) "+file_path.toUtf8());
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if(QFile::exists(filePath)) {
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QFile::remove(filePath);
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}
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emit refreshFinished(url, NEWS);
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return;
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}
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openRss();
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emit refreshFinished(url, NEWS);
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}
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void displayIcon(const QString&, const QString& file_path, int, const QString&) {
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/*if(QFile::exists(iconPath) && iconPath!=":/Icons/rss.png") {
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QFile::remove(iconPath);
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}
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iconPath = file_path;
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// XXX : remove it when we manage to dl the iconPath
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//iconPath = ":/Icons/rss.png";
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//iconPath = "/tmp/favicon.gif";
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if(return_code){
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// Download failed
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qDebug("(download failure) "+iconPath.toUtf8());
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if(QFile::exists(iconPath) && iconPath!=":/Icons/rss.png") {
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QFile::remove(iconPath);
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}
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iconPath = ":/Icons/rss.png";
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emit refreshFinished(url, ICON);
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return;
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}
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openIcon();
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emit refreshFinished(url, ICON);*/
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qDebug("******************Icone downloaded"+file_path.toUtf8());
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}
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public:
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RssStream(const QString& _url) {
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url = _url;
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alias = url;
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read = true;
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downloaderRss = new downloadThread(this);
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downloaderIcon = new downloadThread(this);
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connect(downloaderRss, SIGNAL(downloadFinished(const QString&, const QString&, int, const QString&)), this, SLOT(processDownloadedFile(const QString&, const QString&, int, const QString&)));
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downloaderRss->downloadUrl(url);
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// XXX: remove it when gif can be displayed
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iconPath = ":/Icons/rss.png";
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//getIcon();
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lastRefresh.start();
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}
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~RssStream(){
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removeAllItem();
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delete downloaderRss;
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delete downloaderIcon;
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if(QFile::exists(filePath))
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QFile::remove(filePath);
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if(QFile::exists(iconPath) && iconPath!=":/Icons/rss.png")
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QFile::remove(iconPath);
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}
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// delete all the items saved
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void removeAllItem() {
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unsigned int listSize = listItem.size();
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for(unsigned int i=0; i<listSize; ++i){
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delete getItem(i);
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}
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}
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void refresh() {
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connect(downloaderRss, SIGNAL(downloadFinished(const QString&, const QString&, int, const QString&)), this, SLOT(processDownloadedFile(const QString&, const QString&, int, const QString&)));
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downloaderRss->downloadUrl(url);
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lastRefresh.start();
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}
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QString getTitle() const{
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return title;
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}
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QString getAlias() const{
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return alias;
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}
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//prefer the RssManager::setAlias, do not save the changed ones
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void setAlias(const QString& _alias){
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alias = _alias;
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}
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QString getLink() const{
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return link;
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}
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QString getUrl() const{
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return url;
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}
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QString getDescription() const{
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return description;
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}
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QString getImage() const{
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return image;
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}
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QString getFilePath() const{
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return filePath;
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}
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QString getIconPath() const{
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return iconPath;
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}
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RssItem* getItem(unsigned int index) const{
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return listItem.at(index);
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}
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unsigned short getListSize() const{
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return listItem.size();
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}
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QList<RssItem*> getListItem() const{
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return listItem;
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}
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unsigned int getLastRefreshElapsed() const{
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return lastRefresh.elapsed();
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}
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QString getLastRefresh() const{
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return QString::number(lastRefresh.hour())+"h"+QString::number(lastRefresh.minute())+"m";
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}
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bool isRead() const {
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return read;
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}
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void setRead() {
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read = true;
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}
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// FIXME : always return an empty file
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void getIcon() {
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QUrl siteUrl(url);
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QString iconUrl = "http://"+siteUrl.host()+"/favicon.ico";
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connect(downloaderIcon, SIGNAL(downloadFinished(const QString&, const QString&, int, const QString&)), this, SLOT(displayIcon(const QString&, const QString&, int, const QString&)));
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downloaderIcon->downloadUrl(iconUrl);
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qDebug("******************Icone "+iconUrl.toUtf8());
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}
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private:
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// read and create items from a rss document
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short readDoc(const QDomDocument& doc) {
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// is it a rss file ?
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QDomElement root = doc.documentElement();
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if(root.tagName() == "html"){
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qDebug("the file is empty, maybe the url is wrong or the server is too busy");
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return -1;
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}
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else if(root.tagName() != "rss"){
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qDebug("the file is not a rss stream, <rss> omitted"+root.tagName().toUtf8());
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return -1;
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}
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QDomNode rss = root.firstChild();
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QDomElement channel = root.firstChild().toElement();
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unsigned short listsize = getListSize();
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for(unsigned short i=0; i<listsize; i++) {
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listItem.removeLast();
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}
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while(!channel.isNull()) {
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// we are reading the rss'main info
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if (channel.tagName() == "channel") {
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QDomElement property = channel.firstChild().toElement();
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while(!property.isNull()) {
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if (property.tagName() == "title") {
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title = property.text();
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if(alias==getUrl())
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setAlias(title);
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}
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else if (property.tagName() == "link")
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link = property.text();
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else if (property.tagName() == "description")
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description = property.text();
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else if (property.tagName() == "image")
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image = property.text();
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else if(property.tagName() == "item") {
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if(getListSize() < STREAM_MAX_ITEM) {
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listItem.append(new RssItem(property));
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}
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}
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property = property.nextSibling().toElement();
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}
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read = false;
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}
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channel = channel.nextSibling().toElement();
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}
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return 0;
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}
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// not actually used, it is used to resize the list of item AFTER the update, instead of delete it BEFORE, some troubles
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void resizeList() {
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unsigned short lastindex = 0;
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QString firstTitle = getItem(0)->getTitle();
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unsigned short listsize = getListSize();
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for(unsigned short i=0; i<listsize; i++) {
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if(getItem(i)->getTitle() == firstTitle)
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lastindex = i;
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}
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for(unsigned short i=0; i<lastindex; i++) {
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listItem.removeFirst();
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}
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while(getListSize()>STREAM_MAX_ITEM) {
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listItem.removeAt(STREAM_MAX_ITEM);
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}
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}
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// existing and opening test after download
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short openRss(){
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QDomDocument doc("Rss Seed");
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QFile fileRss(filePath);
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if(!fileRss.open(QIODevice::ReadOnly | QIODevice::Text)) {
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qDebug("error : open failed, no file or locked, "+filePath.toUtf8());
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if(QFile::exists(filePath)) {
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fileRss.remove();
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}
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return -1;
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}
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if(!doc.setContent(&fileRss)) {
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qDebug("can't read temp file, might be empty");
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fileRss.close();
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if(QFile::exists(filePath)) {
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fileRss.remove();
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}
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return -1;
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}
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// start reading the xml
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short return_lecture = readDoc(doc);
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fileRss.close();
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if(QFile::exists(filePath)) {
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fileRss.remove();
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}
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return return_lecture;
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}
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void openIcon() {
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QImage fileIcon(iconPath,0);
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// if(!fileIcon.open(QIODevice::ReadOnly)) {
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// qDebug("error : icon open failed, no file or locked, "+iconPath.toUtf8());
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// if(QFile::exists(iconPath)) {
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// fileIcon.remove();
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// iconPath = ":/Icons/rss.png";
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// }
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// return;
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// }
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if(fileIcon.isNull()) {
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qDebug("error : icon open failed, file empty, "+iconPath.toUtf8());
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if(QFile::exists(iconPath)) {
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//QFile::remove(iconPath);
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//iconPath = ":/Icons/rss.png";
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}
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return;
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}
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}
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};
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// global class, manage the whole rss stream
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class RssManager : public QObject{
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Q_OBJECT
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private :
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QList<RssStream*> streamList;
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QStringList streamListUrl;
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signals:
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void streamNeedRefresh(const unsigned short&, const unsigned short&);
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public slots :
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void streamNeedRefresh(const QString& _url, const unsigned short& type) {
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emit(streamNeedRefresh(hasStream(_url), type));
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}
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public :
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RssManager(){
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loadStreamList();
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}
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~RssManager(){
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saveStreamList();
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unsigned int streamListSize = streamList.size();
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for(unsigned int i=0; i<streamListSize; ++i){
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delete getStream(i);
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}
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}
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// load the list of the rss stream
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void loadStreamList(){
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QSettings settings("qBittorrent", "qBittorrent");
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settings.beginGroup("Rss");
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streamListUrl = settings.value("streamList").toStringList();
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QStringList streamListAlias = settings.value("streamAlias").toStringList();
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//check that both list have same size
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while(streamListUrl.size()>streamListAlias.size())
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streamListUrl.removeLast();
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while(streamListAlias.size()>streamListUrl.size())
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streamListAlias.removeLast();
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qDebug("NB RSS streams loaded: %d", streamListUrl.size());
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settings.endGroup();
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unsigned int streamListUrlSize = streamListUrl.size();
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for(unsigned int i=0; i<streamListUrlSize; ++i){
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RssStream *stream = new RssStream(streamListUrl.at(i));
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stream->setAlias(streamListAlias.at(i));
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streamList.append(stream);
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connect(stream, SIGNAL(refreshFinished(const QString&, const unsigned short&)), this, SLOT(streamNeedRefresh(const QString&, const unsigned short&)));
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}
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}
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// save the list of the rss stream for the next session
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void saveStreamList(){
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streamListUrl.clear();
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QStringList streamListAlias;
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for(unsigned short i=0; i<getNbStream(); i++) {
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streamListUrl.append(getStream(i)->getUrl());
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streamListAlias.append(getStream(i)->getAlias());
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}
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QSettings settings("qBittorrent", "qBittorrent");
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settings.beginGroup("Rss");
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settings.setValue("streamList", streamListUrl);
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settings.setValue("streamAlias", streamListAlias);
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settings.endGroup();
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}
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// add a stream to the manager
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void addStream(RssStream* stream){
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if(hasStream(stream) < 0){
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streamList.append(stream);
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streamListUrl.append(stream->getUrl());
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connect(stream, SIGNAL(refreshFinished(const QString&, const unsigned short&)), this, SLOT(streamNeedRefresh(const QString&, const unsigned short&)));
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}else{
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qDebug("Not adding the Rss stream because it is already in the list");
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}
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}
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// add a stream to the manager
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void addStream(QString url){
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if(hasStream(url) < 0) {
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RssStream* stream = new RssStream(url);
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streamList.append(stream);
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streamListUrl.append(url);
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connect(stream, SIGNAL(refreshFinished(const QString&, const unsigned short&)), this, SLOT(streamNeedRefresh(const QString&, const unsigned short&)));
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}else {
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qDebug("Not adding the Rss stream because it is already in the list");
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}
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}
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// remove a stream from the manager
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void removeStream(RssStream* stream){
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short index = hasStream(stream);
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if(index != -1){
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delete streamList.takeAt(index);
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streamListUrl.removeAt(index);
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}
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}
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// remove all the streams in the manager
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void removeAll(){
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QList<RssStream*> newStreamList;
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QStringList newUrlList;
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unsigned int streamListSize = streamList.size();
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for(unsigned int i=0; i<streamListSize; ++i){
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delete getStream(i);
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}
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streamList = newStreamList;
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streamListUrl = newUrlList;
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}
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// reload all the xml files from the web
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void refreshAll(){
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unsigned int streamListUrlSize = streamListUrl.size();
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for(unsigned int i=0; i<streamListUrlSize; ++i){
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getStream(i)->refresh();
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connect(getStream(i), SIGNAL(refreshFinished(const QString&, const unsigned short&)), this, SLOT(streamNeedRefresh(const QString&, const unsigned short&)));
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}
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}
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void refresh(int index) {
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if(index>=0 && index<getNbStream()) {
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if(getStream(index)->getLastRefreshElapsed()>REFRESH_FREQ_MAX) {
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getStream(index)->refresh();
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connect(getStream(index), SIGNAL(refreshFinished(const QString&, const unsigned short&)), this, SLOT(streamNeedRefresh(const QString&, const unsigned short&)));
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}
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}
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}
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// return the position index of a stream, if the manager owns it
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short hasStream(RssStream* stream) const{
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return hasStream(stream->getUrl());
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}
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short hasStream(const QString& url) const{
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return streamListUrl.indexOf(url);
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}
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RssStream* getStream(const unsigned short& index) const{
|
|
return streamList.at(index);
|
|
}
|
|
|
|
unsigned short getNbStream() {
|
|
return streamList.size();
|
|
}
|
|
|
|
//set an alias to an stream and save it for later
|
|
void setAlias(unsigned short index, QString newAlias) {
|
|
if(newAlias.length()>=2 && !getListAlias().contains(newAlias, Qt::CaseInsensitive)) {
|
|
getStream(index)->setAlias(newAlias);
|
|
}
|
|
}
|
|
|
|
QStringList getListAlias() {
|
|
QStringList listAlias;
|
|
for(unsigned short i=0; i<getNbStream(); i++) {
|
|
listAlias.append(getStream(i)->getAlias());
|
|
}
|
|
return listAlias;
|
|
}
|
|
|
|
};
|
|
|
|
#endif
|