Merge pull request #6744 from glassez/fix-rss

Fix crash when delete last RSS feed. Closes #6742

src/gui/rss/articlelistwidget.cpp

@@ -93,14 +93,9 @@ void ArticleListWidget::handleArticleAdded(RSS::Article *rssArticle)
 
 void ArticleListWidget::handleArticleRead(RSS::Article *rssArticle)
 {
-    if (m_unreadOnly) {
-        delete m_rssArticleToListItemMapping.take(rssArticle);
-    }
-    else {
-        auto item = mapRSSArticle(rssArticle);
-        item->setData(Qt::ForegroundRole, QColor("grey"));
-        item->setData(Qt::DecorationRole, QIcon(":/icons/sphere.png"));
-    }
+    auto item = mapRSSArticle(rssArticle);
+    item->setData(Qt::ForegroundRole, QColor("grey"));
+    item->setData(Qt::DecorationRole, QIcon(":/icons/sphere.png"));
 
     checkInvariant();
 }

src/gui/rss/feedlistwidget.cpp

@@ -138,6 +138,11 @@ void FeedListWidget::handleItemPathChanged(RSS::Item *rssItem)
 void FeedListWidget::handleItemAboutToBeRemoved(RSS::Item *rssItem)
 {
     delete m_rssToTreeItemMapping.take(rssItem);
+
+    // RSS Item is still valid in this slot so if it is the last
+    // item we should prevent Unread list populating
+    if (m_rssToTreeItemMapping.size() == 1)
+        setCurrentItem(nullptr);
 }
 
 QTreeWidgetItem *FeedListWidget::stickyUnreadItem() const
@@ -164,6 +169,8 @@ QList<QTreeWidgetItem *> FeedListWidget::getAllOpenedFolders(QTreeWidgetItem *pa
 
 RSS::Item *FeedListWidget::getRSSItem(QTreeWidgetItem *item) const
 {
+    if (!item) return nullptr;
+
     return reinterpret_cast<RSS::Item *>(item->data(0, Qt::UserRole).value<quintptr>());
 }
 

src/gui/rss/rsswidget.cpp

@@ -416,11 +416,6 @@ void RSSWidget::copySelectedFeedsURL()
 
 void RSSWidget::handleCurrentFeedItemChanged(QTreeWidgetItem *currentItem)
 {
-    if (!currentItem) {
-        m_articleListWidget->clear();
-        return;
-    }
-
     m_articleListWidget->setRSSItem(m_feedListWidget->getRSSItem(currentItem)
                                     , (currentItem == m_feedListWidget->stickyUnreadItem()));
 }