add button to clear web cache and storage - in Tools menu

src/librssguard/gui/dialogs/formmain.cpp

@@ -638,6 +638,7 @@ void FormMain::setupIcons() {
   m_ui->m_actionTabsPrevious->setIcon(icon_theme_factory->fromTheme(QSL("go-previous")));
   m_ui->m_actionBrowserScrollUp->setIcon(icon_theme_factory->fromTheme(QSL("arrow-up")));
   m_ui->m_actionBrowserScrollDown->setIcon(icon_theme_factory->fromTheme(QSL("arrow-down")));
+  m_ui->m_actionCleanupWebCache->setIcon(icon_theme_factory->fromTheme(QSL("edit-clear")));
 
   // Setup icons on TabWidget too.
   m_ui->m_tabWidget->setupIcons();
@@ -759,6 +760,12 @@ void FormMain::createConnections() {
   connect(m_ui->m_actionDownloadManager, &QAction::triggered, m_ui->m_tabWidget, &TabWidget::showDownloadManager);
   connect(m_ui->m_actionCleanupDatabase, &QAction::triggered, this, &FormMain::showDbCleanupAssistant);
 
+#if defined(USE_WEBENGINE)
+  connect(m_ui->m_actionCleanupWebCache, &QAction::triggered, qApp->web(), &WebFactory::cleanupCache);
+#else
+  m_ui->m_menuTools->removeAction(m_ui->m_actionCleanupWebCache);
+#endif
+
   // Menu "Help" connections.
   connect(m_ui->m_actionAboutGuard, &QAction::triggered, this, [this]() {
     FormAbout(this).exec();

src/librssguard/gui/dialogs/formmain.ui

@@ -97,6 +97,7 @@
     <addaction name="m_actionSettings"/>
     <addaction name="separator"/>
     <addaction name="m_actionCleanupDatabase"/>
+    <addaction name="m_actionCleanupWebCache"/>
     <addaction name="m_actionDownloadManager"/>
    </widget>
    <widget class="QMenu" name="m_menuFeeds">
@@ -931,6 +932,11 @@
     <string>Rearrange &amp;feeds alphabetically</string>
    </property>
   </action>
+  <action name="m_actionCleanupWebCache">
+   <property name="text">
+    <string>Cleanup web cac&amp;he</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>

src/librssguard/gui/feedsview.cpp

@@ -1002,10 +1002,10 @@ void FeedsView::onItemExpandRequested(const QList<RootItem*>& items, bool exp) {
 }
 
 void FeedsView::drawRow(QPainter* painter, const QStyleOptionViewItem& options, const QModelIndex& index) const {
-  // auto opts = options;
+  auto opts = options;
 
-  // opts.decorationAlignment = Qt::AlignmentFlag::AlignLeft;
+  opts.decorationAlignment = Qt::AlignmentFlag::AlignLeft;
-  // opts.decorationSize = {options.decorationSize.height(), options.decorationSize.height()};
+  // opts.decorationSize = {options.decorationSize.height(), 70};
 
-  BaseTreeView::drawRow(painter, options, index);
+  BaseTreeView::drawRow(painter, opts, index);
 }

src/librssguard/miscellaneous/iofactory.cpp

@@ -178,3 +178,8 @@ bool IOFactory::copyFile(const QString& source, const QString& destination) {
 
   return QFile::copy(source, destination);
 }
+
+void IOFactory::removeFolder(const QString& path) {
+  QDir dir(path);
+  dir.removeRecursively();
+}

src/librssguard/miscellaneous/iofactory.h

@@ -48,6 +48,8 @@ class IOFactory {
 
     // Copies file, overwrites destination.
     static bool copyFile(const QString& source, const QString& destination);
+
+    static void removeFolder(const QString& path);
 };
 
 #endif // IOFACTORY_H

src/librssguard/network-web/webfactory.cpp

@@ -673,3 +673,26 @@ QString WebFactory::customUserAgent() const {
 void WebFactory::setCustomUserAgent(const QString& user_agent) {
   m_customUserAgent = user_agent;
 }
+
+#if defined(USE_WEBENGINE)
+void WebFactory::cleanupCache() {
+  if (MsgBox::show(nullptr,
+                   QMessageBox::Icon::Question,
+                   tr("Web cache is going to be cleared"),
+                   tr("Do you really want to clear web cache?"),
+                   {},
+                   {},
+                   QMessageBox::StandardButton::Yes | QMessageBox::StandardButton::No) ==
+      QMessageBox::StandardButton::Yes) {
+    m_engineProfile->clearHttpCache();
+
+    // NOTE: Manually clear storage.
+    try {
+      IOFactory::removeFolder(m_engineProfile->persistentStoragePath());
+    }
+    catch (const ApplicationException& ex) {
+      qCriticalNN << LOGSEC_CORE << "Removing of webengine storage failed:" << QUOTE_W_SPACE_DOT(ex.message());
+    }
+  }
+}
+#endif

src/librssguard/network-web/webfactory.h

@@ -58,6 +58,11 @@ class WebFactory : public QObject {
     QString customUserAgent() const;
     void setCustomUserAgent(const QString& user_agent);
 
+  public slots:
+#if defined(USE_WEBENGINE)
+    void cleanupCache();
+#endif
+
 #if defined(USE_WEBENGINE)
   private slots:
     void createMenu(QMenu* menu = nullptr);