qBittorrent/src/rss_imp.cpp

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/*
* Bittorrent Client using Qt4 and libtorrent.
* Copyright (C) 2006 Christophe Dumez, Arnaud Demaiziere
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*
* 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.
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*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* In addition, as a special exception, the copyright holders give permission to
* link this program with the OpenSSL project's "OpenSSL" library (or with
* modified versions of it that use the same license as the "OpenSSL" library),
* and distribute the linked executables. You must obey the GNU General Public
* License in all respects for all of the code used other than "OpenSSL". If you
* modify file(s), you may extend this exception to your version of the file(s),
* but you are not obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*
* Contact : chris@qbittorrent.org arnaud@qbittorrent.org
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*/
#include <QDesktopServices>
#include <QInputDialog>
#include <QMenu>
#include <QStandardItemModel>
#include <QMessageBox>
#include <QString>
#include <QClipboard>
#include <QDragMoveEvent>
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#include "rss_imp.h"
#include "FeedDownloader.h"
#include "feedList.h"
#include "bittorrent.h"
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// display a right-click menu
void RSSImp::displayRSSListMenu(const QPoint& pos){
if(!listStreams->indexAt(pos).isValid()) {
// No item under the mouse, clear selection
listStreams->clearSelection();
}
QMenu myRSSListMenu(this);
QList<QTreeWidgetItem*> selectedItems = listStreams->selectedItems();
if(selectedItems.size() > 0) {
myRSSListMenu.addAction(actionUpdate);
myRSSListMenu.addAction(actionMark_items_read);
myRSSListMenu.addSeparator();
if(selectedItems.size() == 1) {
myRSSListMenu.addAction(actionRename);
myRSSListMenu.addAction(actionDelete);
myRSSListMenu.addSeparator();
if(listStreams->getItemType(selectedItems.first()) == RssFile::FOLDER)
myRSSListMenu.addAction(actionNew_folder);
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}
myRSSListMenu.addAction(actionNew_subscription);
if(listStreams->getItemType(selectedItems.first()) == RssFile::STREAM) {
myRSSListMenu.addSeparator();
myRSSListMenu.addAction(actionCopy_feed_URL);
if(selectedItems.size() == 1) {
myRSSListMenu.addSeparator();
myRSSListMenu.addAction(actionRSS_feed_downloader);
}
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}
}else{
myRSSListMenu.addAction(actionNew_subscription);
myRSSListMenu.addAction(actionNew_folder);
myRSSListMenu.addSeparator();
myRSSListMenu.addAction(actionUpdate_all_feeds);
}
myRSSListMenu.exec(QCursor::pos());
}
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void RSSImp::displayItemsListMenu(const QPoint&){
QMenu myItemListMenu(this);
QList<QTreeWidgetItem*> selectedItems = listStreams->selectedItems();
if(selectedItems.size() > 0) {
myItemListMenu.addAction(actionDownload_torrent);
myItemListMenu.addAction(actionOpen_news_URL);
}
myItemListMenu.exec(QCursor::pos());
}
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void RSSImp::askNewFolder() {
QTreeWidgetItem *parent_item = 0;
RssFolder *rss_parent;
if(listStreams->selectedItems().size() > 0) {
parent_item = listStreams->selectedItems().at(0);
rss_parent = (RssFolder*)listStreams->getRSSItem(parent_item);
Q_ASSERT(rss_parent->getType() == RssFile::FOLDER);
} else {
rss_parent = rssmanager;
}
bool ok;
QString new_name = QInputDialog::getText(this, tr("Please choose a folder name"), tr("Folder name:"), QLineEdit::Normal, tr("New folder"), &ok);
if(ok) {
RssFolder* new_folder = rss_parent->addFolder(new_name);
QTreeWidgetItem* folder_item;
if(parent_item)
folder_item = new QTreeWidgetItem(parent_item);
else
folder_item = new QTreeWidgetItem(listStreams);
// Notify TreeWidget
listStreams->itemAdded(folder_item, new_folder);
// Set Text
folder_item->setText(0, new_folder->getName() + QString::fromUtf8(" (0)"));
folder_item->setData(0,Qt::DecorationRole, QVariant(QIcon(":/Icons/oxygen/folder.png")));
// Expand parent folder to display new folder
if(parent_item)
parent_item->setExpanded(true);
rssmanager->saveStreamList();
}
}
// add a stream by a button
void RSSImp::on_newFeedButton_clicked() {
// Determine parent folder for new feed
QTreeWidgetItem *parent_item =0;
QList<QTreeWidgetItem *> selected_items = listStreams->selectedItems();
if(!selected_items.empty())
parent_item = selected_items.first();
RssFolder *rss_parent;
if(parent_item) {
RssFile* tmp = listStreams->getRSSItem(parent_item);
if(tmp->getType() == RssFile::FOLDER)
rss_parent = (RssFolder*)tmp;
else
rss_parent = tmp->getParent();
} else {
rss_parent = rssmanager;
}
// Ask for feed URL
bool ok;
QString clip_txt = qApp->clipboard()->text();
QString default_url = "http://";
if(clip_txt.startsWith("http://", Qt::CaseInsensitive) || clip_txt.startsWith("https://", Qt::CaseInsensitive) || clip_txt.startsWith("ftp://", Qt::CaseInsensitive)) {
default_url = clip_txt;
}
QString newUrl = QInputDialog::getText(this, tr("Please type a rss stream url"), tr("Stream URL:"), QLineEdit::Normal, default_url, &ok);
if(ok) {
newUrl = newUrl.trimmed();
if(!newUrl.isEmpty()){
if(listStreams->hasFeed(newUrl)) {
QMessageBox::warning(this, tr("qBittorrent"),
tr("This rss feed is already in the list."),
QMessageBox::Ok);
return;
}
RssStream *stream = rss_parent->addStream(newUrl);
// Create TreeWidget item
QTreeWidgetItem* item = new QTreeWidgetItem(listStreams);
// Notify TreeWidget
listStreams->itemAdded(item, stream);
// Set text
item->setText(0, stream->getName() + QString::fromUtf8(" (0)"));
item->setData(0,Qt::DecorationRole, QVariant(QIcon(":/Icons/loading.png")));
if(listStreams->topLevelItemCount() == 1)
selectFirstFeed();
stream->refresh();
rssmanager->saveStreamList();
}
}
}
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// delete a stream by a button
void RSSImp::deleteSelectedItems() {
QList<QTreeWidgetItem*> selectedItems = listStreams->selectedItems();
if(selectedItems.size() == 0) return;
int ret;
if(selectedItems.size() > 1)
ret = QMessageBox::question(this, tr("Are you sure? -- qBittorrent"), tr("Are you sure you want to delete these elements from the list?"),
tr("&Yes"), tr("&No"),
QString(), 0, 1);
else
ret = QMessageBox::question(this, tr("Are you sure? -- qBittorrent"), tr("Are you sure you want to delete this element from the list?"),
tr("&Yes"), tr("&No"),
QString(), 0, 1);
if(!ret) {
foreach(QTreeWidgetItem *item, selectedItems){
if(listStreams->currentFeed() == item){
textBrowser->clear();
listNews->clear();
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}
RssFile *rss_item = listStreams->getRSSItem(item);
rss_item->getParent()->removeFile(rss_item->getID());
// Notify TreeWidget
listStreams->itemRemoved(item);
// Actually delete the item
delete item;
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}
rssmanager->saveStreamList();
}
}
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// refresh all streams by a button
void RSSImp::on_updateAllButton_clicked() {
foreach(QTreeWidgetItem *item, listStreams->getAllFeedItems()) {
item->setData(0,Qt::DecorationRole, QVariant(QIcon(":/Icons/loading.png")));
}
rssmanager->refreshAll();
}
void RSSImp::downloadTorrent() {
QList<QListWidgetItem *> selected_items = listNews->selectedItems();
foreach(const QListWidgetItem* item, selected_items) {
RssItem* news = ((RssStream*)listStreams->getCurrentRSSItem())->getItem(listNews->row(item));
BTSession->downloadFromUrl(news->getTorrentUrl());
}
}
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// open the url of the news in a browser
void RSSImp::openNewsUrl() {
QList<QListWidgetItem *> selected_items = listNews->selectedItems();
foreach(const QListWidgetItem* item, selected_items) {
RssItem* news = ((RssStream*)listStreams->getCurrentRSSItem())->getItem(listNews->row(item));
QString link = news->getLink();
if(!link.isEmpty())
QDesktopServices::openUrl(QUrl(link));
}
}
//right-click on stream : give it an alias
void RSSImp::renameFiles() {
QList<QTreeWidgetItem*> selectedItems = listStreams->selectedItems();
Q_ASSERT(selectedItems.size() == 1);
QTreeWidgetItem *item = selectedItems.at(0);
RssFile *rss_item = listStreams->getRSSItem(item);
bool ok;
QString newName;
do {
newName = QInputDialog::getText(this, tr("Please choose a new name for this RSS feed"), tr("New feed name:"), QLineEdit::Normal, listStreams->getRSSItem(item)->getName(), &ok);
// Check if name is already taken
if(ok && rss_item->getParent()->contains(newName)) {
QMessageBox::warning(0, tr("Name already in use"), tr("This name is already used by another item, please choose another one."));
ok = false;
}
}while(!ok);
if(ok) {
// Rename item
rss_item->rename(newName);
// Update TreeWidget
item->setText(0, newName+ QString(" (")+QString::number(rss_item->getNbUnRead())+QString(")"));
}
}
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//right-click on stream : refresh it
void RSSImp::refreshSelectedStreams() {
QList<QTreeWidgetItem*> selectedItems = listStreams->selectedItems();
QTreeWidgetItem* item;
foreach(item, selectedItems){
RssFile* file = listStreams->getRSSItem(item);
file->refresh();
// FIXME: Should recursively set icons for feeds in a folder
if(file->getType() == RssFile::STREAM)
item->setData(0,Qt::DecorationRole, QVariant(QIcon(":/Icons/loading.png")));
}
}
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void RSSImp::copySelectedFeedsURL() {
QStringList URLs;
QList<QTreeWidgetItem*> selectedItems = listStreams->selectedItems();
QTreeWidgetItem* item;
foreach(item, selectedItems){
URLs << listStreams->getItemID(item);
}
qApp->clipboard()->setText(URLs.join("\n"));
}
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void RSSImp::showFeedDownloader() {
QTreeWidgetItem* item = listStreams->selectedItems()[0];
RssFile* rss_item = listStreams->getRSSItem(item);
if(rss_item->getType() == RssFile::STREAM)
new FeedDownloaderDlg(this, listStreams->getItemID(item), rss_item->getName(), BTSession);
}
void RSSImp::on_markReadButton_clicked() {
QList<QTreeWidgetItem*> selectedItems = listStreams->selectedItems();
QTreeWidgetItem* item;
foreach(item, selectedItems){
RssFile *rss_item = listStreams->getRSSItem(item);
rss_item->markAllAsRead();
item->setData(0, Qt::DisplayRole, rss_item->getName()+ QString::fromUtf8(" (0)"));
}
if(selectedItems.size())
refreshNewsList(listStreams->currentItem());
}
void RSSImp::fillFeedsList(QTreeWidgetItem *parent, RssFolder *rss_parent) {
QList<RssFile*> children;
if(parent) {
children = rss_parent->getContent();
} else {
children = rssmanager->getContent();
}
foreach(RssFile* rss_child, children){
QTreeWidgetItem* item;
if(!parent)
item = new QTreeWidgetItem(listStreams);
else
item = new QTreeWidgetItem(parent);
item->setData(0, Qt::DisplayRole, rss_child->getName()+ QString::fromUtf8(" (")+QString::number(rss_child->getNbUnRead(), 10)+QString(")"));
// Notify TreeWidget of item addition
listStreams->itemAdded(item, rss_child);
// Set Icon
if(rss_child->getType() == RssFile::STREAM) {
item->setData(0,Qt::DecorationRole, QVariant(QIcon(QString::fromUtf8(":/Icons/loading.png"))));
} else {
item->setData(0,Qt::DecorationRole, QVariant(QIcon(QString::fromUtf8(":/Icons/oxygen/folder.png"))));
// Recurvive call to load sub folders/files
fillFeedsList(item, (RssFolder*)rss_child);
}
}
}
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// fills the newsList
void RSSImp::refreshNewsList(QTreeWidgetItem* item) {
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if(!item) {
listNews->clear();
return;
}
if(listStreams->getItemType(item) != RssFile::STREAM) {
listNews->clear();
return;
}
RssStream *stream = (RssStream*)listStreams->getRSSItem(item);
qDebug("Getting the list of news");
QList<RssItem*> news = stream->getNewsList();
// Clear the list first
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textBrowser->clear();
listNews->clear();
qDebug("Got the list of news");
foreach(RssItem* 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");
qDebug("First news selected");
}
// display a news
void RSSImp::refreshTextBrowser(QListWidgetItem *item) {
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if(!item) return;
RssStream *stream = (RssStream*)listStreams->getCurrentRSSItem();
RssItem* article = stream->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(stream);
}
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);
}
}
void RSSImp::updateItemsInfos(QList<QTreeWidgetItem *> items) {
foreach(QTreeWidgetItem* item, items) {
updateItemInfos(item);
}
}
void RSSImp::updateItemInfos(QTreeWidgetItem *item) {
RssFile *rss_item = listStreams->getRSSItem(item);
item->setText(0, rss_item->getName() + QString::fromUtf8(" (") + QString::number(rss_item->getNbUnRead(), 10)+ QString(")"));
// If item has a parent, update it too
if(item->parent())
updateItemInfos(item->parent());
}
void RSSImp::updateFeedIcon(QString url, QString icon_path){
QTreeWidgetItem *item = listStreams->getTreeItemFromUrl(url);
item->setData(0,Qt::DecorationRole, QVariant(QIcon(icon_path)));
}
void RSSImp::updateFeedNbNews(RssStream* stream){
QTreeWidgetItem *item = listStreams->getTreeItemFromUrl(stream->getUrl());
item->setText(0, stream->getName() + QString::fromUtf8(" (") + QString::number(stream->getNbUnRead(), 10)+ QString(")"));
}
void RSSImp::updateFeedInfos(QString url, QString aliasOrUrl, unsigned int nbUnread){
QTreeWidgetItem *item = listStreams->getTreeItemFromUrl(url);
RssStream *stream = (RssStream*)listStreams->getRSSItem(item);
item->setText(0, aliasOrUrl + QString::fromUtf8(" (") + QString::number(nbUnread, 10)+ QString(")"));
item->setData(0,Qt::DecorationRole, QVariant(QIcon(stream->getIconPath())));
// Update parent
if(item->parent())
updateItemInfos(item->parent());
// If the feed is selected, update the displayed news
if(listStreams->currentItem() == item){
refreshNewsList(item);
}
}
RSSImp::RSSImp(bittorrent *BTSession) : QWidget(), BTSession(BTSession){
setupUi(this);
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rssmanager = new RssManager(BTSession);
listStreams = new FeedList(splitter_h, rssmanager);
splitter_h->insertWidget(0, listStreams);
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(listNews, SIGNAL(customContextMenuRequested(const QPoint&)), this, SLOT(displayItemsListMenu(const QPoint&)));
// Feeds list actions
connect(actionDelete, SIGNAL(triggered()), this, SLOT(deleteSelectedItems()));
connect(actionRename, SIGNAL(triggered()), this, SLOT(renameFiles()));
connect(actionUpdate, SIGNAL(triggered()), this, SLOT(refreshSelectedStreams()));
connect(actionNew_folder, SIGNAL(triggered()), this, SLOT(askNewFolder()));
connect(actionNew_subscription, SIGNAL(triggered()), this, SLOT(on_newFeedButton_clicked()));
connect(actionUpdate_all_feeds, SIGNAL(triggered()), this, SLOT(on_updateAllButton_clicked()));
connect(actionCopy_feed_URL, SIGNAL(triggered()), this, SLOT(copySelectedFeedsURL()));
connect(actionRSS_feed_downloader, SIGNAL(triggered()), this, SLOT(showFeedDownloader()));
connect(actionMark_items_read, SIGNAL(triggered()), this, SLOT(on_markReadButton_clicked()));
// News list actions
connect(actionOpen_news_URL, SIGNAL(triggered()), this, SLOT(openNewsUrl()));
connect(actionDownload_torrent, SIGNAL(triggered()), this, SLOT(downloadTorrent()));
connect(listStreams, SIGNAL(currentItemChanged(QTreeWidgetItem*,QTreeWidgetItem*)), this, SLOT(refreshNewsList(QTreeWidgetItem*)));
connect(listStreams, SIGNAL(foldersAltered(QList<QTreeWidgetItem*>)), this, SLOT(updateItemsInfos(QList<QTreeWidgetItem*>)));
connect(listNews, SIGNAL(itemClicked(QListWidgetItem*)), this, SLOT(refreshTextBrowser(QListWidgetItem *)));
connect(listNews, SIGNAL(itemDoubleClicked(QListWidgetItem *)), this, SLOT(downloadTorrent()));
// 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);
}
}
RSSImp::~RSSImp(){
qDebug("Deleting RSSImp...");
delete listStreams;
delete rssmanager;
qDebug("RSSImp deleted");
}
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