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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Tests keyboard navigation of devtools tabbar.
const TEST_URL =
"data:text/html;charset=utf8,test page for toolbar keyboard navigation";
function containsFocus(aDoc, aElm) {
let elm = aDoc.activeElement;
while (elm) {
if (elm === aElm) { return true; }
elm = elm.parentNode;
}
return false;
}
add_task(function* () {
info("Create a test tab and open the toolbox");
let toolbox = yield openNewTabAndToolbox(TEST_URL, "webconsole");
let doc = toolbox.doc;
let toolbar = doc.querySelector(".devtools-tabbar");
let toolbarControls = [...toolbar.querySelectorAll(
".devtools-tab, button")].filter(elm =>
!elm.hidden && doc.defaultView.getComputedStyle(elm).getPropertyValue(
"display") !== "none");
// Put the keyboard focus onto the first toolbar control.
toolbarControls[0].focus();
ok(containsFocus(doc, toolbar), "Focus is within the toolbar");
// Move the focus away from toolbar to a next focusable element.
EventUtils.synthesizeKey("VK_TAB", {});
ok(!containsFocus(doc, toolbar), "Focus is outside of the toolbar");
// Move the focus back to the toolbar.
EventUtils.synthesizeKey("VK_TAB", { shiftKey: true });
ok(containsFocus(doc, toolbar), "Focus is within the toolbar again");
// Move through the toolbar forward using the right arrow key.
for (let i = 0; i < toolbarControls.length; ++i) {
is(doc.activeElement.id, toolbarControls[i].id, "New control is focused");
if (i < toolbarControls.length - 1) {
EventUtils.synthesizeKey("VK_RIGHT", {});
}
}
// Move the focus away from toolbar to a next focusable element.
EventUtils.synthesizeKey("VK_TAB", {});
ok(!containsFocus(doc, toolbar), "Focus is outside of the toolbar");
// Move the focus back to the toolbar.
EventUtils.synthesizeKey("VK_TAB", { shiftKey: true });
ok(containsFocus(doc, toolbar), "Focus is within the toolbar again");
// Move through the toolbar backward using the left arrow key.
for (let i = toolbarControls.length - 1; i >= 0; --i) {
is(doc.activeElement.id, toolbarControls[i].id, "New control is focused");
if (i > 0) { EventUtils.synthesizeKey("VK_LEFT", {}); }
}
// Move focus to the 3rd (non-first) toolbar control.
let expectedFocusedControl = toolbarControls[2];
EventUtils.synthesizeKey("VK_RIGHT", {});
EventUtils.synthesizeKey("VK_RIGHT", {});
is(doc.activeElement.id, expectedFocusedControl.id, "New control is focused");
// Move the focus away from toolbar to a next focusable element.
EventUtils.synthesizeKey("VK_TAB", {});
ok(!containsFocus(doc, toolbar), "Focus is outside of the toolbar");
// Move the focus back to the toolbar, ensure we land on the last active
// descendant control.
EventUtils.synthesizeKey("VK_TAB", { shiftKey: true });
is(doc.activeElement.id, expectedFocusedControl.id, "New control is focused");
});
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