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qBittorrent/src/rss_imp.cpp

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/*
* Bittorrent Client using Qt4 and libtorrent.
* Copyright (C) 2006 Christophe Dumez, Arnaud Demaiziere
*
* 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.
*
* Contact : chris@qbittorrent.org arnaud@qbittorrent.org
*/
#include "rss_imp.h"
#include "rss.h"
#include <QDesktopServices>
#include <QInputDialog>
#include <QMenu>
#include <QStandardItemModel>
#include <QMessageBox>
#include <QTimer>
#include <QString>
// display a right-click menu
void RSSImp::displayRSSListMenu(const QPoint& pos){
QMenu myFinishedListMenu(this);
QTreeWidgetItem* item = listStreams->itemAt(pos);
QList<QTreeWidgetItem*> selectedItems = listStreams->selectedItems();
if(item != 0) {
myFinishedListMenu.addAction(actionMark_all_as_read);
myFinishedListMenu.addAction(actionDelete);
if(selectedItems.size() == 1)
myFinishedListMenu.addAction(actionRename);
myFinishedListMenu.addAction(actionRefresh);
}else{
myFinishedListMenu.addAction(actionCreate);
myFinishedListMenu.addAction(actionRefreshAll);
}
myFinishedListMenu.exec(mapToGlobal(pos)+QPoint(10,33));
}
// add a stream by a button
void RSSImp::on_addStream_button_clicked() {
createStream();
}
// delete a stream by a button
void RSSImp::on_delStream_button_clicked() {
QList<QTreeWidgetItem*> selectedItems = listStreams->selectedItems();
QTreeWidgetItem *item;
if(!selectedItems.size()) return;
int ret = QMessageBox::question(this, tr("Are you sure? -- qBittorrent"), tr("Are you sure you want to delete this stream from the list?"),
tr("&Yes"), tr("&No"),
QString(), 0, 1);
if(!ret) {
QStringList urlsToDelete;
foreach(item, selectedItems){
QString url = item->data(1, Qt::DisplayRole).toString();
urlsToDelete << url;
}
QString url;
foreach(url, urlsToDelete){
if(selectedFeedUrl == url){
textBrowser->clear();
listNews->clear();
}
rssmanager->removeStream(url);
delete getTreeItemFromUrl(url);
}
if(urlsToDelete.size())
rssmanager->saveStreamList();
}
}
// refresh all streams by a button
void RSSImp::on_refreshAll_button_clicked() {
refreshAllStreams();
}
// open the url of the news in a browser
void RSSImp::openInBrowser(QListWidgetItem *item) {
RssItem* news = rssmanager->getFeed(selectedFeedUrl)->getItem(listNews->row(item));
QString link = news->getLink();
if(!link.isEmpty())
QDesktopServices::openUrl(QUrl(link));
}
//right-click on stream : give him an alias
void RSSImp::renameStream() {
QList<QTreeWidgetItem*> selectedItems = listStreams->selectedItems();
Q_ASSERT(selectedItems.size() == 1);
QTreeWidgetItem *item = selectedItems.at(0);
QString url = item->data(1, Qt::DisplayRole).toString();
bool ok;
QString newAlias = QInputDialog::getText(this, tr("Please choose a new name for this stream"), tr("New stream name:"), QLineEdit::Normal, rssmanager->getFeed(url)->getAlias(), &ok);
if(ok) {
rssmanager->setAlias(url, newAlias);
}
}
//right-click on stream : refresh it
void RSSImp::refreshSelectedStreams() {
QList<QTreeWidgetItem*> selectedItems = listStreams->selectedItems();
QTreeWidgetItem* item;
foreach(item, selectedItems){
QString url = item->text(1);
textBrowser->clear();
listNews->clear();
rssmanager->refresh(url);
item->setData(0,Qt::DecorationRole, QVariant(QIcon(":/Icons/loading.png")));
}
}
void RSSImp::on_actionMark_all_as_read_triggered() {
textBrowser->clear();
listNews->clear();
QList<QTreeWidgetItem*> selectedItems = listStreams->selectedItems();
QTreeWidgetItem* item;
foreach(item, selectedItems){
QString url = item->text(1);
RssStream *feed = rssmanager->getFeed(url);
feed->markAllAsRead();
item->setData(0, Qt::DisplayRole, feed->getAliasOrUrl()+ QString::fromUtf8(" (0)"));
}
if(selectedItems.size())
refreshNewsList(selectedItems.last(), 0);
}
//right-click somewhere, refresh all the streams
void RSSImp::refreshAllStreams() {
textBrowser->clear();
listNews->clear();
unsigned int nbFeeds = listStreams->topLevelItemCount();
for(unsigned int i=0; i<nbFeeds; ++i)
listStreams->topLevelItem(i)->setData(0,Qt::DecorationRole, QVariant(QIcon(":/Icons/loading.png")));
rssmanager->refreshAll();
updateLastRefreshedTimeForStreams();
}
void RSSImp::fillFeedsList() {
QList<RssStream*> feeds = rssmanager->getRssFeeds();
RssStream* stream;
foreach(stream, feeds){
QTreeWidgetItem* item = new QTreeWidgetItem(listStreams);
item->setData(0, Qt::DisplayRole, stream->getAliasOrUrl()+ QString::fromUtf8(" (0)"));
item->setData(0,Qt::DecorationRole, QVariant(QIcon(QString::fromUtf8(":/Icons/loading.png"))));
item->setData(1, Qt::DisplayRole, stream->getUrl());
item->setToolTip(0, QString::fromUtf8("<b>")+tr("Description:")+QString::fromUtf8("</b> ")+stream->getDescription()+QString::fromUtf8("<br/><b>")+tr("url:")+QString::fromUtf8("</b> ")+stream->getUrl()+QString::fromUtf8("<br/><b>")+tr("Last refresh:")+QString::fromUtf8("</b> ")+stream->getLastRefreshElapsedString());
}
}
//right-click, register a new stream
void RSSImp::createStream() {
bool ok;
QString newUrl = QInputDialog::getText(this, tr("Please type a rss stream url"), tr("Stream URL:"), QLineEdit::Normal, "http://", &ok);
if(ok) {
newUrl = newUrl.trimmed();
if(!newUrl.isEmpty()){
RssStream *stream = rssmanager->addStream(newUrl);
if(stream == 0){
// Already existing
QMessageBox::warning(this, tr("qBittorrent"),
tr("This rss feed is already in the list."),
QMessageBox::Ok);
return;
}
QTreeWidgetItem* item = new QTreeWidgetItem(listStreams);
item->setText(0, stream->getAliasOrUrl() + QString::fromUtf8(" (0)"));
item->setText(1, stream->getUrl());
item->setData(0,Qt::DecorationRole, QVariant(QIcon(":/Icons/loading.png")));
item->setToolTip(0, QString::fromUtf8("<b>")+tr("Description:")+QString::fromUtf8("</b> ")+stream->getDescription()+QString::fromUtf8("<br/><b>")+tr("url:")+QString::fromUtf8("</b> ")+stream->getUrl()+QString::fromUtf8("<br/><b>")+tr("Last refresh:")+QString::fromUtf8("</b> ")+stream->getLastRefreshElapsedString());
if(listStreams->topLevelItemCount() == 1)
selectFirstFeed();
rssmanager->refresh(newUrl);
rssmanager->saveStreamList();
}
}
}
void RSSImp::updateLastRefreshedTimeForStreams() {
unsigned int nbFeeds = listStreams->topLevelItemCount();
for(unsigned int i=0; i<nbFeeds; ++i){
QTreeWidgetItem* item = listStreams->topLevelItem(i);
RssStream* stream = rssmanager->getFeed(item->data(1, Qt::DisplayRole).toString());
item->setToolTip(0, QString::fromUtf8("<b>")+tr("Description:")+QString::fromUtf8("</b> ")+stream->getDescription()+QString::fromUtf8("<br/><b>")+tr("url:")+QString::fromUtf8("</b> ")+stream->getUrl()+QString::fromUtf8("<br/><b>")+tr("Last refresh:")+QString::fromUtf8("</b> ")+stream->getLastRefreshElapsedString());
}
}
// fills the newsList
void RSSImp::refreshNewsList(QTreeWidgetItem* item, int) {
selectedFeedUrl = item->text(1);
RssStream *stream = rssmanager->getFeed(selectedFeedUrl);
listNews->clear();
qDebug("Getting the list of news");
QList<RssItem*> news = stream->getNewsList();
qDebug("Got the list of news");
RssItem* article;
foreach(article, news){
QListWidgetItem* it = new QListWidgetItem(article->getTitle(), listNews);
if(article->isRead()){
it->setData(Qt::ForegroundRole, QVariant(QColor("grey")));
it->setData(Qt::DecorationRole, QVariant(QIcon(":/Icons/sphere.png")));
}else{
it->setData(Qt::ForegroundRole, QVariant(QColor("blue")));
it->setData(Qt::DecorationRole, QVariant(QIcon(":/Icons/sphere2.png")));
}
}
qDebug("Added all news to the GUI");
selectFirstNews();
qDebug("First news selected");
}
// display a news
void RSSImp::refreshTextBrowser(QListWidgetItem *item) {
RssItem* article = rssmanager->getFeed(selectedFeedUrl)->getItem(listNews->row(item));
QString html;
html += "<div style='border: 2px solid red; margin-left: 5px; margin-right: 5px; margin-bottom: 5px;'>";
html += "<div style='background-color: #678db2; font-weight: bold; color: #fff;'>"+article->getTitle() + "</div>";
if(article->getDate().isValid()) {
html += "<div style='background-color: #efefef;'><b>"+tr("Date: ")+"</b>"+article->getDate().toString()+"</div>";
}
if(!article->getAuthor().isEmpty()) {
html += "<div style='background-color: #efefef;'><b>"+tr("Author: ")+"</b>"+article->getAuthor()+"</div>";
}
html += "</div>";
html += "<divstyle='margin-left: 5px; margin-right: 5px;'>"+article->getDescription()+"</div>";
textBrowser->setHtml(html);
article->setRead();
item->setData(Qt::ForegroundRole, QVariant(QColor("grey")));
item->setData(Qt::DecorationRole, QVariant(QIcon(":/Icons/sphere.png")));
updateFeedNbNews(selectedFeedUrl);
}
void RSSImp::saveSlidersPosition() {
// Remember sliders positions
QSettings settings("qBittorrent", "qBittorrent");
settings.setValue("rss/splitter_h", splitter_h->saveState());
settings.setValue("rss/splitter_v", splitter_v->saveState());
qDebug("Splitters position saved");
}
void RSSImp::restoreSlidersPosition() {
QSettings settings("qBittorrent", "qBittorrent");
QByteArray pos_h = settings.value("rss/splitter_h", QByteArray()).toByteArray();
if(!pos_h.isNull()) {
splitter_h->restoreState(pos_h);
}
QByteArray pos_v = settings.value("rss/splitter_v", QByteArray()).toByteArray();
if(!pos_v.isNull()) {
splitter_v->restoreState(pos_v);
}
}
QTreeWidgetItem* RSSImp::getTreeItemFromUrl(QString url) const{
unsigned int nbItems = listStreams->topLevelItemCount();
for(unsigned int i = 0; i<nbItems; ++i){
QTreeWidgetItem* item = listStreams->topLevelItem(i);
if(item->text(1) == url)
return item;
}
qDebug("Cannot find url %s in feeds list", (const char*)url.toUtf8());
Q_ASSERT(false); // Should never go through here
return (QTreeWidgetItem*)0;
}
void RSSImp::updateFeedIcon(QString url, QString icon_path){
QTreeWidgetItem *item = getTreeItemFromUrl(url);
item->setData(0,Qt::DecorationRole, QVariant(QIcon(icon_path)));
}
void RSSImp::updateFeedNbNews(QString url){
QTreeWidgetItem *item = getTreeItemFromUrl(url);
RssStream *stream = rssmanager->getFeed(url);
item->setText(0, stream->getAliasOrUrl() + QString::fromUtf8(" (") + QString::number(stream->getNbUnRead(), 10)+ QString(")"));
}
void RSSImp::updateFeedInfos(QString url, QString aliasOrUrl, unsigned int nbUnread){
QTreeWidgetItem *item = getTreeItemFromUrl(url);
RssStream *stream = rssmanager->getFeed(url);
item->setText(0, aliasOrUrl + QString::fromUtf8(" (") + QString::number(nbUnread, 10)+ QString(")"));
item->setData(0,Qt::DecorationRole, QVariant(QIcon(stream->getIconPath())));
item->setToolTip(0, QString::fromUtf8("<b>")+tr("Description:")+QString::fromUtf8("</b> ")+stream->getDescription()+QString::fromUtf8("<br/><b>")+tr("url:")+QString::fromUtf8("</b> ")+stream->getUrl()+QString::fromUtf8("<br/><b>")+tr("Last refresh:")+QString::fromUtf8("</b> ")+stream->getLastRefreshElapsedString());
// If the feed is selected, update the displayed news
if(selectedFeedUrl == url){
refreshNewsList(getTreeItemFromUrl(url), 0);
}
}
RSSImp::RSSImp() : QWidget(){
setupUi(this);
// icons of bottom buttons
addStream_button->setIcon(QIcon(QString::fromUtf8(":/Icons/subscribe.png")));
delStream_button->setIcon(QIcon(QString::fromUtf8(":/Icons/unsubscribe.png")));
refreshAll_button->setIcon(QIcon(QString::fromUtf8(":/Icons/refresh.png")));
actionMark_all_as_read->setIcon(QIcon(QString::fromUtf8(":/Icons/button_ok.png")));
// icons of right-click menu
actionDelete->setIcon(QIcon(QString::fromUtf8(":/Icons/unsubscribe16.png")));
actionRename->setIcon(QIcon(QString::fromUtf8(":/Icons/log.png")));
actionRefresh->setIcon(QIcon(QString::fromUtf8(":/Icons/refresh.png")));
actionCreate->setIcon(QIcon(QString::fromUtf8(":/Icons/subscribe16.png")));
actionRefreshAll->setIcon(QIcon(QString::fromUtf8(":/Icons/refresh.png")));
// Hide second column (url)
listStreams->hideColumn(1);
rssmanager = new RssManager();
fillFeedsList();
connect(rssmanager, SIGNAL(feedInfosChanged(QString, QString, unsigned int)), this, SLOT(updateFeedInfos(QString, QString, unsigned int)));
connect(rssmanager, SIGNAL(feedIconChanged(QString, QString)), this, SLOT(updateFeedIcon(QString, QString)));
connect(listStreams, SIGNAL(customContextMenuRequested(const QPoint&)), this, SLOT(displayRSSListMenu(const QPoint&)));
connect(actionDelete, SIGNAL(triggered()), this, SLOT(on_delStream_button_clicked()));
connect(actionRename, SIGNAL(triggered()), this, SLOT(renameStream()));
connect(actionRefresh, SIGNAL(triggered()), this, SLOT(refreshSelectedStreams()));
connect(actionCreate, SIGNAL(triggered()), this, SLOT(createStream()));
connect(actionRefreshAll, SIGNAL(triggered()), this, SLOT(refreshAllStreams()));
connect(listStreams, SIGNAL(itemClicked(QTreeWidgetItem*,int)), this, SLOT(refreshNewsList(QTreeWidgetItem*,int)));
connect(listNews, SIGNAL(itemClicked(QListWidgetItem *)), this, SLOT(refreshTextBrowser(QListWidgetItem *)));
connect(listNews, SIGNAL(itemDoubleClicked(QListWidgetItem *)), this, SLOT(openInBrowser(QListWidgetItem *)));
refreshTimeTimer = new QTimer(this);
connect(refreshTimeTimer, SIGNAL(timeout()), this, SLOT(updateLastRefreshedTimeForStreams()));
refreshTimeTimer->start(60000); // 1min
// Select first news of first feed
selectFirstFeed();
// Refresh all feeds
rssmanager->refreshAll();
// Restore sliders position
restoreSlidersPosition();
// Bind saveSliders slots
connect(splitter_v, SIGNAL(splitterMoved(int, int)), this, SLOT(saveSlidersPosition()));
connect(splitter_h, SIGNAL(splitterMoved(int, int)), this, SLOT(saveSlidersPosition()));
qDebug("RSSImp constructed");
}
void RSSImp::selectFirstFeed(){
if(listStreams->topLevelItemCount()){
QTreeWidgetItem *first = listStreams->topLevelItem(0);
listStreams->setCurrentItem(first);
selectedFeedUrl = first->text(1);
}
}
void RSSImp::selectFirstNews(){
if(listNews->count()){
listNews->setCurrentRow(0);
refreshTextBrowser(listNews->currentItem());
}
}
RSSImp::~RSSImp(){
delete refreshTimeTimer;
delete rssmanager;
}
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