File indexing completed on 2024-06-09 04:25:09

 /*
  * SPDX-FileCopyrightText: 2018 boud <boud@valdyas.org>
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
 #include "KisNewsWidget.h"
 
 #include <QDesktopServices>
 #include <QUrl>
 #include <QPainter>
 #include <QStyleOptionViewItem>
 #include <QModelIndex>
 #include <QTextDocument>
 #include <QAbstractTextDocumentLayout>
 #include <QRegularExpression>
 #include <QScrollBar>
 
 #include "kis_config.h"
 #include "KisMultiFeedRSSModel.h"
 #include <KisKineticScroller.h>
 
 KisNewsDelegate::KisNewsDelegate(QObject *parent)
     : QStyledItemDelegate(parent)
 {
 }
 
 void KisNewsDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
 {
     painter->save();
 
     QStyleOptionViewItem optionCopy = option;
     initStyleOption(&optionCopy, index);
 
     QStyle *style = optionCopy.widget? optionCopy.widget->style() : QApplication::style();
 
     QTextDocument doc;
     doc.setDocumentMargin(6);
     doc.setHtml(optionCopy.text);
     doc.setTextWidth(optionCopy.rect.width());
 
     /// Painting item without text
     optionCopy.text = QString();
     style->drawControl(QStyle::CE_ItemViewItem, &optionCopy, painter);
 
     QAbstractTextDocumentLayout::PaintContext ctx;
 
     // Highlighting text if item is selected
     QColor textColor;
     if (optionCopy.state & QStyle::State_Selected) {
         textColor = optionCopy.palette.color(QPalette::Active, QPalette::HighlightedText);
     } else {
         textColor = optionCopy.palette.color(QPalette::Text);
     }
     ctx.palette.setColor(QPalette::Text, textColor);
 
     painter->translate(optionCopy.rect.left(), optionCopy.rect.top());
     QRect clip(0, 0, optionCopy.rect.width(), optionCopy.rect.height());
     ctx.clip = clip;
     doc.setPageSize(clip.size());
     doc.documentLayout()->draw(painter, ctx);
 
     painter->restore();
 }
 
 QSize KisNewsDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
 {
     QStyleOptionViewItem optionCopy = option;
     initStyleOption(&optionCopy, index);
 
     QTextDocument doc;
     doc.setDocumentMargin(6);
     doc.setHtml(optionCopy.text);
     doc.setTextWidth(optionCopy.rect.width());
     return QSize(doc.idealWidth(), doc.size().height());
 }
 
 KisNewsWidget::KisNewsWidget(QWidget *parent)
     : QWidget(parent)
     , m_getNews(false)
     , m_rssModel(0)
 {
     setupUi(this);
     listNews->viewport()->setAutoFillBackground(false);
     listNews->installEventFilter(this);
     listNews->setVerticalScrollMode(QListView::ScrollPerPixel);
     listNews->verticalScrollBar()->setSingleStep(50);
     {
         QScroller* scroller = KisKineticScroller::createPreconfiguredScroller(listNews);
         if (scroller) {
             connect(scroller, SIGNAL(stateChanged(QScroller::State)), this, SLOT(slotScrollerStateChanged(QScroller::State)));
         }
     }
 
     m_rssModel = new MultiFeedRssModel(this);
     connect(m_rssModel, SIGNAL(feedDataChanged()), this, SLOT(rssDataChanged()), Qt::UniqueConnection);
 
     listNews->setModel(m_rssModel);
     listNews->setItemDelegate(new KisNewsDelegate(listNews));
     connect(listNews, SIGNAL(clicked(QModelIndex)), this, SLOT(itemSelected(QModelIndex)));
 }
 
 void KisNewsWidget::setAnalyticsTracking(QString text)
 {
     m_analyticsTrackingParameters = text;
 }
 
 bool KisNewsWidget::eventFilter(QObject *watched, QEvent *event)
 {
     if (watched == listNews && event->type() == QEvent::Leave) {
         listNews->clearSelection();
         listNews->setCurrentIndex(QModelIndex());
     }
     return QWidget::eventFilter(watched, event);
 }
 
 void KisNewsWidget::toggleNewsLanguage(QString langCode, bool enabled)
 {
     // Sanity check: Since the code is adding the language code directly into
     // the URL, this prevents any nasty surprises with malformed URLs.
     Q_FOREACH(const char &ch, langCode.toLatin1()) {
         bool isValidChar = (ch >= 'a' && ch <= 'z') || ch == '-';
         if (!isValidChar) {
             warnUI << "Ignoring attempt to toggle malformed news lang:" << langCode;
             return;
         }
     }
 
     QString feed = QStringLiteral("https://krita.org/%1/feed/").arg(langCode);
     if (enabled) {
         m_enabledFeeds.insert(feed);
         if (m_getNews) {
             m_rssModel->addFeed(feed);
         }
     } else {
         m_enabledFeeds.remove(feed);
         if (m_getNews) {
             m_rssModel->removeFeed(feed);
         }
     }
 }
 
 void KisNewsWidget::toggleNews(bool toggle)
 {
     m_getNews = toggle;
 
     KisConfig cfg(false);
     cfg.writeEntry<bool>("FetchNews", toggle);
 
     Q_FOREACH(const QString &feed, m_enabledFeeds) {
         if (toggle) {
             m_rssModel->addFeed(feed);
         } else {
             m_rssModel->removeFeed(feed);
         }
     }
 }
 
 void KisNewsWidget::itemSelected(const QModelIndex &idx)
 {
     if (idx.isValid()) {
         QString link = idx.data(KisRssReader::RssRoles::LinkRole).toString();
 
         // append query string for analytics tracking if we set it
         if (m_analyticsTrackingParameters != "") {
 
             // use title in analytics query string
             QString linkTitle = idx.data(KisRssReader::RssRoles::TitleRole).toString();
             linkTitle = linkTitle.simplified(); // trims and makes 1 white space
             linkTitle = linkTitle.replace(" ", "");
 
             m_analyticsTrackingParameters = m_analyticsTrackingParameters.append(linkTitle);
             QDesktopServices::openUrl(QUrl(link.append(m_analyticsTrackingParameters)));
 
         } else {
             QDesktopServices::openUrl(QUrl(link));
         }
 
 
     }
 }
 
 void KisNewsWidget::rssDataChanged()
 {
     emit newsDataChanged();
 }