void (AnActionEvent e, ListPopup popup) { UIThemeLookAndFeelInfo initialLaf = LafManager.getInstance().getCurrentUIThemeLookAndFeel(); switchAlarm.cancelAllRequests(); if (Registry.is("ide.instant.theme.switch")) { popup.addListSelectionListener(event -> { Object item = ((JList<?>)event.getSource()).getSelectedValue(); if (item instanceof AnActionHolder) { AnAction anAction = ((AnActionHolder)item).getAction(); if (anAction instanceof LafChangeAction) { switchAlarm.cancelAllRequests(); switchAlarm.addRequest(() -> { LafChangeAction action = (LafChangeAction)anAction; switchLafAndUpdateUI(LafManager.getInstance(), action.myLookAndFeelInfo, false); }, Registry.get("ide.instant.theme.switch.delay").asInteger()); } } }); } popup.addListener(new JBPopupListener() { @Override public void onClosed(@NotNull LightweightWindowEvent event) { switchAlarm.cancelAllRequests(); if (Registry.is("ide.instant.theme.switch") && !event.isOk()) { switchLafAndUpdateUI(LafManager.getInstance(), initialLaf, false); } } }); super.showPopup(e, popup); }