summaryrefslogtreecommitdiffstats
path: root/browser/base/content/test/keyboard/browser_toolbarKeyNav.js
blob: 7fb67a6a91a9dd6ec3953646be05f02edb19ccb8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
/* Any copyright is dedicated to the Public Domain.
 * http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

/**
 * Test browser toolbar keyboard navigation.
 * These tests assume the default browser configuration for toolbars unless
 * otherwise specified.
 */

const PERMISSIONS_PAGE =
  "https://example.com/browser/browser/base/content/test/permissions/permissions.html";
const afterUrlBarButton = "save-to-pocket-button";

// The DevEdition has the DevTools button in the toolbar by default. Remove it
// to prevent branch-specific rules what button should be focused.
function resetToolbarWithoutDevEditionButtons() {
  CustomizableUI.reset();
  CustomizableUI.removeWidgetFromArea("developer-button");
}

function AddHomeBesideReload() {
  CustomizableUI.addWidgetToArea(
    "home-button",
    "nav-bar",
    CustomizableUI.getPlacementOfWidget("stop-reload-button").position + 1
  );
}

function RemoveHomeButton() {
  CustomizableUI.removeWidgetFromArea("home-button");
}

function AddOldMenuSideButtons() {
  // Make the FxA button visible even though we're signed out.
  // We'll use oldfxastatus to restore the old state.
  document.documentElement.setAttribute(
    "oldfxastatus",
    document.documentElement.getAttribute("fxastatus")
  );
  document.documentElement.setAttribute("fxastatus", "signed_in");
  // The FxA button is supposed to be last, add these buttons before it.
  CustomizableUI.addWidgetToArea(
    "library-button",
    "nav-bar",
    CustomizableUI.getWidgetIdsInArea("nav-bar").length - 2
  );
  CustomizableUI.addWidgetToArea(
    "sidebar-button",
    "nav-bar",
    CustomizableUI.getWidgetIdsInArea("nav-bar").length - 2
  );
  CustomizableUI.addWidgetToArea(
    "unified-extensions-button",
    "nav-bar",
    CustomizableUI.getWidgetIdsInArea("nav-bar").length - 2
  );
}

function RemoveOldMenuSideButtons() {
  CustomizableUI.removeWidgetFromArea("library-button");
  CustomizableUI.removeWidgetFromArea("sidebar-button");
  document.documentElement.setAttribute(
    "fxastatus",
    document.documentElement.getAttribute("oldfxastatus")
  );
  document.documentElement.removeAttribute("oldfxastatus");
}

function startFromUrlBar(aWindow = window) {
  aWindow.gURLBar.focus();
  is(
    aWindow.document.activeElement,
    aWindow.gURLBar.inputField,
    "URL bar focused for start of test"
  );
}

// The Reload button is disabled for a short time even after the page finishes
// loading. Wait for it to be enabled.
async function waitUntilReloadEnabled() {
  let button = document.getElementById("reload-button");
  await TestUtils.waitForCondition(() => !button.disabled);
}

// Opens a new, blank tab, executes a task and closes the tab.
function withNewBlankTab(taskFn) {
  return BrowserTestUtils.withNewTab("about:blank", async function () {
    // For a blank tab, the Reload button should be disabled. However, when we
    // open about:blank with BrowserTestUtils.withNewTab, this is unreliable.
    // Therefore, explicitly disable the reload command.
    // We disable the command (rather than disabling the button directly) so the
    // button will be updated correctly for future page loads.
    document.getElementById("Browser:Reload").setAttribute("disabled", "true");
    await taskFn();
  });
}

function removeFirefoxViewButton() {
  CustomizableUI.removeWidgetFromArea("firefox-view-button");
}

const BOOKMARKS_COUNT = 100;

add_setup(async function () {
  await SpecialPowers.pushPrefEnv({
    set: [
      ["browser.toolbars.keyboard_navigation", true],
      ["accessibility.tabfocus", 7],
    ],
  });
  resetToolbarWithoutDevEditionButtons();

  await PlacesUtils.bookmarks.eraseEverything();
  // Add bookmarks.
  let bookmarks = new Array(BOOKMARKS_COUNT);
  for (let i = 0; i < BOOKMARKS_COUNT; ++i) {
    // eslint-disable-next-line @microsoft/sdl/no-insecure-url
    bookmarks[i] = { url: `http://test.places.${i}/` };
  }
  await PlacesUtils.bookmarks.insertTree({
    guid: PlacesUtils.bookmarks.toolbarGuid,
    children: bookmarks,
  });

  // The page actions button is not normally visible, so we must
  // unhide it.
  BrowserPageActions.mainButtonNode.style.visibility = "visible";
  registerCleanupFunction(() => {
    BrowserPageActions.mainButtonNode.style.removeProperty("visibility");
  });
});

// Test tab stops with no page loaded.
add_task(async function testTabStopsNoPageWithHomeButton() {
  AddHomeBesideReload();
  await withNewBlankTab(async function () {
    startFromUrlBar();
    await expectFocusAfterKey("Shift+Tab", "home-button");
    await expectFocusAfterKey("Shift+Tab", "tabs-newtab-button");
    await expectFocusAfterKey("Shift+Tab", gBrowser.selectedTab);
    await expectFocusAfterKey("Tab", "tabs-newtab-button");
    await expectFocusAfterKey("Tab", "home-button");
    await expectFocusAfterKey("Tab", gURLBar.inputField);
    await expectFocusAfterKey("Tab", afterUrlBarButton);
    await expectFocusAfterKey("Tab", gBrowser.selectedBrowser);
  });
  RemoveHomeButton();
});

async function doTestTabStopsPageLoaded(aPageActionsVisible) {
  info(`doTestTabStopsPageLoaded(${aPageActionsVisible})`);

  BrowserPageActions.mainButtonNode.style.visibility = aPageActionsVisible
    ? "visible"
    : "";
  await BrowserTestUtils.withNewTab("https://example.com", async function () {
    await waitUntilReloadEnabled();
    startFromUrlBar();
    await expectFocusAfterKey(
      "Shift+Tab",
      "tracking-protection-icon-container"
    );
    await expectFocusAfterKey("Shift+Tab", "reload-button");
    await expectFocusAfterKey("Shift+Tab", "tabs-newtab-button");
    await expectFocusAfterKey("Shift+Tab", gBrowser.selectedTab);
    await expectFocusAfterKey("Tab", "tabs-newtab-button");
    await expectFocusAfterKey("Tab", "reload-button");
    await expectFocusAfterKey("Tab", "tracking-protection-icon-container");
    await expectFocusAfterKey("Tab", gURLBar.inputField);
    await expectFocusAfterKey(
      "Tab",
      aPageActionsVisible ? "pageActionButton" : "star-button-box"
    );
    await expectFocusAfterKey("Tab", afterUrlBarButton);
    await expectFocusAfterKey("Tab", gBrowser.selectedBrowser);
  });
}

// Test tab stops with a page loaded.
add_task(async function testTabStopsPageLoaded() {
  is(
    BrowserPageActions.mainButtonNode.style.visibility,
    "visible",
    "explicitly shown at the beginning of test"
  );
  await doTestTabStopsPageLoaded(false);
  await doTestTabStopsPageLoaded(true);
});

// Test tab stops with a notification anchor visible.
// The notification anchor should not get its own tab stop.
add_task(async function testTabStopsWithNotification() {
  await BrowserTestUtils.withNewTab(
    PERMISSIONS_PAGE,
    async function (aBrowser) {
      let popupShown = BrowserTestUtils.waitForEvent(
        PopupNotifications.panel,
        "popupshown"
      );
      // Request a permission.
      BrowserTestUtils.synthesizeMouseAtCenter("#geo", {}, aBrowser);
      await popupShown;
      startFromUrlBar();
      // If the notification anchor were in the tab order, the next shift+tab
      // would focus it instead of #tracking-protection-icon-container.
      await expectFocusAfterKey(
        "Shift+Tab",
        "tracking-protection-icon-container"
      );
    }
  );
});

// Test tab stops with the Bookmarks toolbar visible.
add_task(async function testTabStopsWithBookmarksToolbar() {
  await BrowserTestUtils.withNewTab("about:blank", async function () {
    CustomizableUI.setToolbarVisibility("PersonalToolbar", true);
    startFromUrlBar();
    await expectFocusAfterKey("Tab", afterUrlBarButton);
    await expectFocusAfterKey("Tab", "PersonalToolbar", true);
    await expectFocusAfterKey("Tab", gBrowser.selectedBrowser);

    // Make sure the Bookmarks toolbar is no longer tabbable once hidden.
    CustomizableUI.setToolbarVisibility("PersonalToolbar", false);
    startFromUrlBar();
    await expectFocusAfterKey("Tab", afterUrlBarButton);
    await expectFocusAfterKey("Tab", gBrowser.selectedBrowser);
  });
});

// Test a focusable toolbartabstop which has no navigable buttons.
add_task(async function testTabStopNoButtons() {
  await withNewBlankTab(async function () {
    // The Back, Forward and Reload buttons are all currently disabled.
    // The Home button is the only other button at that tab stop.
    CustomizableUI.removeWidgetFromArea("home-button");
    startFromUrlBar();
    await expectFocusAfterKey("Shift+Tab", "tabs-newtab-button");
    await expectFocusAfterKey("Tab", gURLBar.inputField);
    resetToolbarWithoutDevEditionButtons();
    AddHomeBesideReload();
    // Make sure the button is reachable now that it has been re-added.
    await expectFocusAfterKey("Shift+Tab", "home-button", true);
    RemoveHomeButton();
  });
});

// Test that right/left arrows move through toolbarbuttons.
// This also verifies that:
// 1. Right/left arrows do nothing when at the edges; and
// 2. The overflow menu button can't be reached by right arrow when it isn't
// visible.
add_task(async function testArrowsToolbarbuttons() {
  AddOldMenuSideButtons();
  await BrowserTestUtils.withNewTab("about:blank", async function () {
    startFromUrlBar();
    await expectFocusAfterKey("Tab", afterUrlBarButton);
    EventUtils.synthesizeKey("KEY_ArrowLeft");
    is(
      document.activeElement.id,
      afterUrlBarButton,
      "ArrowLeft at end of button group does nothing"
    );
    await expectFocusAfterKey("ArrowRight", "library-button");
    await expectFocusAfterKey("ArrowRight", "sidebar-button");
    await expectFocusAfterKey("ArrowRight", "unified-extensions-button");
    await expectFocusAfterKey("ArrowRight", "fxa-toolbar-menu-button");
    // This next check also confirms that the overflow menu button is skipped,
    // since it is currently invisible.
    await expectFocusAfterKey("ArrowRight", "PanelUI-menu-button");
    EventUtils.synthesizeKey("KEY_ArrowRight");
    is(
      document.activeElement.id,
      "PanelUI-menu-button",
      "ArrowRight at end of button group does nothing"
    );
    await expectFocusAfterKey("ArrowLeft", "fxa-toolbar-menu-button");
    await expectFocusAfterKey("ArrowLeft", "unified-extensions-button");
    await expectFocusAfterKey("ArrowLeft", "sidebar-button");
    await expectFocusAfterKey("ArrowLeft", "library-button");
  });
  RemoveOldMenuSideButtons();
});

// Test that right/left arrows move through buttons which aren't toolbarbuttons
// but have role="button".
add_task(async function testArrowsRoleButton() {
  await BrowserTestUtils.withNewTab("https://example.com", async function () {
    startFromUrlBar();
    await expectFocusAfterKey("Tab", "pageActionButton");
    await expectFocusAfterKey("ArrowRight", "star-button-box");
    await expectFocusAfterKey("ArrowLeft", "pageActionButton");
  });
});

// Test that right/left arrows do not land on disabled buttons.
add_task(async function testArrowsDisabledButtons() {
  await BrowserTestUtils.withNewTab(
    "https://example.com",
    async function (aBrowser) {
      await waitUntilReloadEnabled();
      startFromUrlBar();
      await expectFocusAfterKey(
        "Shift+Tab",
        "tracking-protection-icon-container"
      );
      // Back and Forward buttons are disabled.
      await expectFocusAfterKey("Shift+Tab", "reload-button");
      EventUtils.synthesizeKey("KEY_ArrowLeft");
      is(
        document.activeElement.id,
        "reload-button",
        "ArrowLeft on Reload button when prior buttons disabled does nothing"
      );

      BrowserTestUtils.loadURIString(aBrowser, "https://example.com/2");
      await BrowserTestUtils.browserLoaded(aBrowser);
      await waitUntilReloadEnabled();
      startFromUrlBar();
      await expectFocusAfterKey(
        "Shift+Tab",
        "tracking-protection-icon-container"
      );
      await expectFocusAfterKey("Shift+Tab", "back-button");
      // Forward button is still disabled.
      await expectFocusAfterKey("ArrowRight", "reload-button");
    }
  );
});

// Test that right arrow reaches the overflow menu button when it is visible.
add_task(async function testArrowsOverflowButton() {
  AddOldMenuSideButtons();
  await BrowserTestUtils.withNewTab("about:blank", async function () {
    // Move something to the overflow menu to make the button appear.
    CustomizableUI.addWidgetToArea(
      "home-button",
      CustomizableUI.AREA_FIXED_OVERFLOW_PANEL
    );
    startFromUrlBar();
    await expectFocusAfterKey("Tab", afterUrlBarButton);
    await expectFocusAfterKey("ArrowRight", "library-button");
    await expectFocusAfterKey("ArrowRight", "sidebar-button");
    await expectFocusAfterKey("ArrowRight", "unified-extensions-button");
    await expectFocusAfterKey("ArrowRight", "fxa-toolbar-menu-button");
    await expectFocusAfterKey("ArrowRight", "nav-bar-overflow-button");
    // Make sure the button is not reachable once it is invisible again.
    await expectFocusAfterKey("ArrowRight", "PanelUI-menu-button");
    resetToolbarWithoutDevEditionButtons();
    // Flush layout so its invisibility can be detected.
    document.getElementById("nav-bar-overflow-button").clientWidth;
    // We reset the toolbar above so the unified extensions button is now the
    // "last" button.
    await expectFocusAfterKey("ArrowLeft", "unified-extensions-button");
    await expectFocusAfterKey("ArrowLeft", "fxa-toolbar-menu-button");
  });
  RemoveOldMenuSideButtons();
});

// Test that toolbar keyboard navigation doesn't interfere with PanelMultiView
// keyboard navigation.
// We do this by opening the Library menu and ensuring that pressing left arrow
// does nothing.
add_task(async function testArrowsInPanelMultiView() {
  AddOldMenuSideButtons();
  let button = document.getElementById("library-button");
  forceFocus(button);
  EventUtils.synthesizeKey(" ");
  let view = document.getElementById("appMenu-libraryView");
  let focused = BrowserTestUtils.waitForEvent(view, "focus", true);
  let focusEvt = await focused;
  ok(true, "Focus inside Library menu after toolbar button pressed");
  EventUtils.synthesizeKey("KEY_ArrowLeft");
  is(
    document.activeElement,
    focusEvt.target,
    "ArrowLeft inside panel does nothing"
  );
  let hidden = BrowserTestUtils.waitForEvent(document, "popuphidden", true);
  view.closest("panel").hidePopup();
  await hidden;
  RemoveOldMenuSideButtons();
});

// Test that right/left arrows move in the expected direction for RTL locales.
add_task(async function testArrowsRtl() {
  AddOldMenuSideButtons();
  await SpecialPowers.pushPrefEnv({ set: [["intl.l10n.pseudo", "bidi"]] });
  // window.RTL_UI doesn't update in existing windows when this pref is changed,
  // so we need to test in a new window.
  let win = await BrowserTestUtils.openNewBrowserWindow();
  startFromUrlBar(win);
  await expectFocusAfterKey("Tab", afterUrlBarButton, false, win);
  EventUtils.synthesizeKey("KEY_ArrowRight", {}, win);
  is(
    win.document.activeElement.id,
    afterUrlBarButton,
    "ArrowRight at end of button group does nothing"
  );
  await expectFocusAfterKey("ArrowLeft", "library-button", false, win);
  await expectFocusAfterKey("ArrowLeft", "sidebar-button", false, win);
  await BrowserTestUtils.closeWindow(win);
  await SpecialPowers.popPrefEnv();
  RemoveOldMenuSideButtons();
});

// Test that right arrow reaches the overflow menu button on the Bookmarks
// toolbar when it is visible.
add_task(async function testArrowsBookmarksOverflowButton() {
  let toolbar = gNavToolbox.querySelector("#PersonalToolbar");
  // Third parameter is 'persist' and true is the default.
  // Fourth parameter is 'animated' and we want no animation.
  setToolbarVisibility(toolbar, true, true, false);
  Assert.ok(!toolbar.collapsed, "toolbar should be visible");

  await BrowserTestUtils.waitForEvent(
    toolbar,
    "BookmarksToolbarVisibilityUpdated"
  );
  let items = document.getElementById("PlacesToolbarItems").children;
  let lastVisible;
  for (let item of items) {
    if (item.style.visibility == "hidden") {
      break;
    }
    lastVisible = item;
  }
  forceFocus(lastVisible);
  await expectFocusAfterKey("ArrowRight", "PlacesChevron");
  setToolbarVisibility(toolbar, false, true, false);
});

registerCleanupFunction(async function () {
  CustomizableUI.reset();
  await PlacesUtils.bookmarks.eraseEverything();
});

// Test that when a toolbar button opens a panel, closing the panel restores
// focus to the button which opened it.
add_task(async function testPanelCloseRestoresFocus() {
  AddOldMenuSideButtons();
  await withNewBlankTab(async function () {
    // We can't use forceFocus because that removes focusability immediately.
    // Instead, we must let ToolbarKeyboardNavigator handle this properly.
    startFromUrlBar();
    await expectFocusAfterKey("Tab", afterUrlBarButton);
    await expectFocusAfterKey("ArrowRight", "library-button");
    let view = document.getElementById("appMenu-libraryView");
    let shown = BrowserTestUtils.waitForEvent(view, "ViewShown");
    EventUtils.synthesizeKey(" ");
    await shown;
    let hidden = BrowserTestUtils.waitForEvent(document, "popuphidden", true);
    view.closest("panel").hidePopup();
    await hidden;
    is(
      document.activeElement.id,
      "library-button",
      "Focus restored to Library button after panel closed"
    );
  });
  RemoveOldMenuSideButtons();
});

// Test that the arrow key works in the group of the
// 'tracking-protection-icon-container' and the 'identity-box'.
add_task(async function testArrowKeyForTPIconContainerandIdentityBox() {
  await BrowserTestUtils.withNewTab(
    "https://example.com",
    async function (browser) {
      // Simulate geo sharing so the permission box shows
      gBrowser.updateBrowserSharing(browser, { geo: true });
      await waitUntilReloadEnabled();
      startFromUrlBar();
      await expectFocusAfterKey(
        "Shift+Tab",
        "tracking-protection-icon-container"
      );
      await expectFocusAfterKey("ArrowRight", "identity-icon-box");
      await expectFocusAfterKey("ArrowRight", "identity-permission-box");
      await expectFocusAfterKey("ArrowLeft", "identity-icon-box");
      await expectFocusAfterKey(
        "ArrowLeft",
        "tracking-protection-icon-container"
      );
      gBrowser.updateBrowserSharing(browser, { geo: false });
    }
  );
});

// Test navigation by typed characters.
add_task(async function testCharacterNavigation() {
  AddHomeBesideReload();
  AddOldMenuSideButtons();
  await BrowserTestUtils.withNewTab("https://example.com", async function () {
    await waitUntilReloadEnabled();
    startFromUrlBar();
    await expectFocusAfterKey("Tab", "pageActionButton");
    await expectFocusAfterKey("h", "home-button");
    // There's no button starting with "hs", so pressing s should do nothing.
    EventUtils.synthesizeKey("s");
    is(
      document.activeElement.id,
      "home-button",
      "home-button still focused after s pressed"
    );
    // Escape should reset the search.
    EventUtils.synthesizeKey("KEY_Escape");
    // Now that the search is reset, pressing s should focus Save to Pocket.
    await expectFocusAfterKey("s", "save-to-pocket-button");
    // Pressing i makes the search "si", so it should focus Sidebars.
    await expectFocusAfterKey("i", "sidebar-button");
    // Reset the search.
    EventUtils.synthesizeKey("KEY_Escape");
    await expectFocusAfterKey("s", "save-to-pocket-button");
    // Pressing s again should find the next button starting with s: Sidebars.
    await expectFocusAfterKey("s", "sidebar-button");
  });
  RemoveHomeButton();
  RemoveOldMenuSideButtons();
});

// Test that toolbar character navigation doesn't trigger in PanelMultiView for
// a panel anchored to the toolbar.
// We do this by opening the Library menu and ensuring that pressing s
// does nothing.
// This test should be removed if PanelMultiView implements character
// navigation.
add_task(async function testCharacterInPanelMultiView() {
  AddOldMenuSideButtons();
  let button = document.getElementById("library-button");
  forceFocus(button);
  let view = document.getElementById("appMenu-libraryView");
  let focused = BrowserTestUtils.waitForEvent(view, "focus", true);
  EventUtils.synthesizeKey(" ");
  let focusEvt = await focused;
  ok(true, "Focus inside Library menu after toolbar button pressed");
  EventUtils.synthesizeKey("s");
  is(document.activeElement, focusEvt.target, "s inside panel does nothing");
  let hidden = BrowserTestUtils.waitForEvent(document, "popuphidden", true);
  view.closest("panel").hidePopup();
  await hidden;
  RemoveOldMenuSideButtons();
});

// Test tab stops after the search bar is added.
add_task(async function testTabStopsAfterSearchBarAdded() {
  AddOldMenuSideButtons();
  await SpecialPowers.pushPrefEnv({
    set: [["browser.search.widget.inNavBar", 1]],
  });
  await withNewBlankTab(async function () {
    startFromUrlBar();
    await expectFocusAfterKey("Tab", "searchbar", true);
    await expectFocusAfterKey("Tab", afterUrlBarButton);
    await expectFocusAfterKey("ArrowRight", "library-button");
  });
  await SpecialPowers.popPrefEnv();
  RemoveOldMenuSideButtons();
});

// Test tab navigation when the Firefox View button is present
// and when the button is not present.
add_task(async function testFirefoxViewButtonNavigation() {
  // Add enough tabs so that the new-tab-button appears in the toolbar
  // and the tabs-newtab-button is hidden.
  await BrowserTestUtils.overflowTabs(registerCleanupFunction, window);

  // Assert that Firefox View button receives focus when tab navigating
  // forward from the end of web content.
  // Additionally, ensure that focus is not trapped between the
  // selected tab and the new-tab button.
  // Finally, assert that focus is restored to web content when
  // navigating backwards from the Firefox View button.
  await BrowserTestUtils.withNewTab(
    PERMISSIONS_PAGE,
    async function (aBrowser) {
      await SpecialPowers.spawn(aBrowser, [], async () => {
        content.document.querySelector("#camera").focus();
      });

      await expectFocusAfterKey("Tab", "firefox-view-button");
      let selectedTab = document.querySelector("tab[selected]");
      await expectFocusAfterKey("Tab", selectedTab);
      await expectFocusAfterKey("Tab", "new-tab-button");
      await expectFocusAfterKey("Shift+Tab", selectedTab);
      await expectFocusAfterKey("Shift+Tab", "firefox-view-button");

      // Moving from toolbar back into content
      EventUtils.synthesizeKey("KEY_Tab", { shiftKey: true });
      await SpecialPowers.spawn(aBrowser, [], async () => {
        let activeElement = content.document.activeElement;
        let expectedElement = content.document.querySelector("#camera");
        is(
          activeElement,
          expectedElement,
          "Focus should be returned to the 'camera' button"
        );
      });
    }
  );

  // Assert that the selected tab receives focus before the new-tab button
  // if there is no Firefox View button.
  // Additionally, assert that navigating backwards from the selected tab
  // restores focus to the last element in the web content.
  await BrowserTestUtils.withNewTab(
    PERMISSIONS_PAGE,
    async function (aBrowser) {
      removeFirefoxViewButton();

      await SpecialPowers.spawn(aBrowser, [], async () => {
        content.document.querySelector("#camera").focus();
      });

      let selectedTab = document.querySelector("tab[selected]");
      await expectFocusAfterKey("Tab", selectedTab);
      await expectFocusAfterKey("Tab", "new-tab-button");
      await expectFocusAfterKey("Shift+Tab", selectedTab);

      // Moving from toolbar back into content
      EventUtils.synthesizeKey("KEY_Tab", { shiftKey: true });
      await SpecialPowers.spawn(aBrowser, [], async () => {
        let activeElement = content.document.activeElement;
        let expectedElement = content.document.querySelector("#camera");
        is(
          activeElement,
          expectedElement,
          "Focus should be returned to the 'camera' button"
        );
      });
    }
  );

  // Clean up extra tabs
  while (gBrowser.tabs.length > 1) {
    BrowserTestUtils.removeTab(gBrowser.tabs[0]);
  }
  CustomizableUI.reset();
});