browser_panel_menulist.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

   http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

const kViewID = "panelview-with-menulist";

/**

 * When there's a menulist inside a panelview, closing it shouldn't close the panel.

*/

add_task(async function test_closing_menulist_should_not_close_panel() {

  let viewCache = document.getElementById("appMenu-viewCache");

  let panelview = document.createXULElement("panelview");

  panelview.id = kViewID;

  let menulist = document.createXULElement("menulist");

  let popup = document.createXULElement("menupopup");

  for (let item of ["one", "two"]) {

    let menuitem = document.createXULElement("menuitem");

    menuitem.id = `menuitem-${item}`;

    menuitem.setAttribute("label", item);

    popup.append(menuitem);

  menulist.append(popup);

  panelview.append(menulist);

  viewCache.append(panelview);

  await PanelUI.showSubView(kViewID, PanelUI.menuButton);

  let panel = panelview.closest("panel");

  // Ensure that not only has the subview started showing, the panel is

  // all the way open:

  await BrowserTestUtils.waitForPopupEvent(panel, "shown");

  registerCleanupFunction(async () => {

    if (panel && panel.state != "closed") {

      let panelGone = BrowserTestUtils.waitForPopupEvent(panel, "hidden");

      panel.hidePopup();

      await panelGone;

    panelview.remove();

});

  let shown = BrowserTestUtils.waitForPopupEvent(popup, "shown");

  menulist.openMenu(true);

  await shown;

  let hidden = BrowserTestUtils.waitForPopupEvent(popup, "hidden");

  popup.activateItem(popup.firstElementChild);

  await hidden;

  Assert.equal(panel?.state, "open", "Panel should still be open.");

});