137 lines
4.5 KiB
JavaScript
137 lines
4.5 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/ */
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"use strict";
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// Tests keyboard navigation of devtools tabbar.
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const TEST_URL =
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"data:text/html;charset=utf8,test page for toolbar keyboard navigation";
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function containsFocus(doc, expectedElement) {
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let el = doc.activeElement;
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while (el) {
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if (el === expectedElement) {
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return true;
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}
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el = el.parentNode;
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}
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return false;
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}
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add_task(async function () {
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info("Create a test tab and open the toolbox");
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const toolbox = await openNewTabAndToolbox(TEST_URL, "webconsole");
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const doc = toolbox.doc;
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const toolbar = doc.querySelector(".devtools-tabbar");
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const toolbarControls = [
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...toolbar.querySelectorAll(".devtools-tab, button"),
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].filter(
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elm =>
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!elm.hidden &&
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doc.defaultView.getComputedStyle(elm).getPropertyValue("display") !==
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"none"
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);
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// Put the keyboard focus onto the first toolbar control.
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toolbarControls[0].focus();
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ok(containsFocus(doc, toolbar), "Focus is within the toolbar");
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// Move the focus away from toolbar to a next focusable element.
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EventUtils.synthesizeKey("KEY_Tab");
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ok(!containsFocus(doc, toolbar), "Focus is outside of the toolbar");
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// Move the focus back to the toolbar.
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EventUtils.synthesizeKey("KEY_Tab", { shiftKey: true });
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ok(containsFocus(doc, toolbar), "Focus is within the toolbar again");
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// Move through the toolbar forward using the right arrow key.
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for (let i = 0; i < toolbarControls.length; ++i) {
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is(doc.activeElement.id, toolbarControls[i].id, "New control is focused");
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if (i < toolbarControls.length - 1) {
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EventUtils.synthesizeKey("KEY_ArrowRight");
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}
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}
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// Move the focus away from toolbar to a next focusable element.
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EventUtils.synthesizeKey("KEY_Tab");
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ok(!containsFocus(doc, toolbar), "Focus is outside of the toolbar");
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// Move the focus back to the toolbar.
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EventUtils.synthesizeKey("KEY_Tab", { shiftKey: true });
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ok(containsFocus(doc, toolbar), "Focus is within the toolbar again");
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// Move through the toolbar backward using the left arrow key.
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for (let i = toolbarControls.length - 1; i >= 0; --i) {
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is(doc.activeElement.id, toolbarControls[i].id, "New control is focused");
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if (i > 0) {
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EventUtils.synthesizeKey("KEY_ArrowLeft");
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}
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}
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// Move focus to the 3rd (non-first) toolbar control.
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const expectedFocusedControl = toolbarControls[2];
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EventUtils.synthesizeKey("KEY_ArrowRight");
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EventUtils.synthesizeKey("KEY_ArrowRight");
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is(doc.activeElement.id, expectedFocusedControl.id, "New control is focused");
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// Move the focus away from toolbar to a next focusable element.
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EventUtils.synthesizeKey("KEY_Tab");
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ok(!containsFocus(doc, toolbar), "Focus is outside of the toolbar");
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// Move the focus back to the toolbar, ensure we land on the last active
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// descendant control.
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EventUtils.synthesizeKey("KEY_Tab", { shiftKey: true });
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is(doc.activeElement.id, expectedFocusedControl.id, "New control is focused");
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});
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// Test that moving the focus of tab button and selecting it.
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add_task(async function () {
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info("Create a test tab and open the toolbox");
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const toolbox = await openNewTabAndToolbox(TEST_URL, "inspector");
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const doc = toolbox.doc;
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const toolbar = doc.querySelector(".toolbox-tabs");
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const tabButtons = toolbar.querySelectorAll(".devtools-tab, button");
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const win = tabButtons[0].ownerDocument.defaultView;
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// Put the keyboard focus onto the first tab button.
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tabButtons[0].focus();
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ok(containsFocus(doc, toolbar), "Focus is within the toolbox");
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is(doc.activeElement.id, tabButtons[0].id, "First tab button is focused.");
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// Move the focused tab and select it by using enter key.
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let onKeyEvent = once(win, "keydown");
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EventUtils.synthesizeKey("KEY_ArrowRight");
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await onKeyEvent;
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let onceSelected = toolbox.once("webconsole-selected");
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EventUtils.synthesizeKey("Enter");
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await onceSelected;
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is(
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doc.activeElement.id,
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"toolbox-panel-iframe-" + toolbox.currentToolId,
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"Selected tool frame is now focused."
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);
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// Webconsole steal the focus from button after sending "webconsole-selected"
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// event.
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tabButtons[1].focus();
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// Return the focused tab with space key.
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onKeyEvent = once(win, "keydown");
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EventUtils.synthesizeKey("KEY_ArrowLeft");
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await onKeyEvent;
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onceSelected = toolbox.once("inspector-selected");
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EventUtils.synthesizeKey(" ");
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await onceSelected;
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is(
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doc.activeElement.id,
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"toolbox-panel-iframe-" + toolbox.currentToolId,
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"Selected tool frame is now focused."
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);
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});
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