tor-browser

The Tor Browser
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browser_890262_destroyWidget_after_add_to_panel.js (1957B)

      1 /* This Source Code Form is subject to the terms of the Mozilla Public
      2 * License, v. 2.0. If a copy of the MPL was not distributed with this
      3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      4 
      5 "use strict";
      6 
      7 const kLazyAreaId = "test-890262-lazy-area";
      8 const kWidget1Id = "test-890262-widget1";
      9 const kWidget2Id = "test-890262-widget2";
     10 
     11 setupArea();
     12 
     13 // Destroying a widget after defaulting it to a lazy area should work.
     14 add_task(function () {
     15  CustomizableUI.createWidget({
     16    id: kWidget1Id,
     17    removable: true,
     18    defaultArea: kLazyAreaId,
     19  });
     20  let noError = true;
     21  try {
     22    CustomizableUI.destroyWidget(kWidget1Id);
     23  } catch (ex) {
     24    console.error(ex);
     25    noError = false;
     26  }
     27  ok(
     28    noError,
     29    "Shouldn't throw an exception for a widget that was created in a not-yet-constructed area"
     30  );
     31 });
     32 
     33 // Destroying a widget after moving it to a lazy area should work.
     34 add_task(function () {
     35  CustomizableUI.createWidget({
     36    id: kWidget2Id,
     37    removable: true,
     38    defaultArea: CustomizableUI.AREA_NAVBAR,
     39  });
     40 
     41  CustomizableUI.addWidgetToArea(kWidget2Id, kLazyAreaId);
     42  let noError = true;
     43  try {
     44    CustomizableUI.destroyWidget(kWidget2Id);
     45  } catch (ex) {
     46    console.error(ex);
     47    noError = false;
     48  }
     49  ok(
     50    noError,
     51    "Shouldn't throw an exception for a widget that was added to a not-yet-constructed area"
     52  );
     53 });
     54 
     55 add_task(async function asyncCleanup() {
     56  let lazyArea = document.getElementById(kLazyAreaId);
     57  if (lazyArea) {
     58    lazyArea.remove();
     59  }
     60  try {
     61    CustomizableUI.unregisterArea(kLazyAreaId);
     62  } catch (ex) {} // If we didn't register successfully for some reason
     63  await resetCustomization();
     64 });
     65 
     66 function setupArea() {
     67  let lazyArea = document.createXULElement("hbox");
     68  lazyArea.id = kLazyAreaId;
     69  document.getElementById("nav-bar").appendChild(lazyArea);
     70  CustomizableUI.registerArea(kLazyAreaId, {
     71    type: CustomizableUI.TYPE_TOOLBAR,
     72    defaultPlacements: [],
     73  });
     74 }