/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
// Checks for the AccessibleActor events
add_task(async function () {
let {client, walker, accessibility} =
await initAccessibilityFrontForUrl(MAIN_DOMAIN + "doc_accessibility.html");
let a11yWalker = await accessibility.getWalker();
await accessibility.enable();
let rootNode = await walker.getRootNode();
let a11yDoc = await a11yWalker.getAccessibleFor(rootNode);
let buttonNode = await walker.querySelector(walker.rootNode, "#button");
let accessibleFront = await a11yWalker.getAccessibleFor(buttonNode);
let sliderNode = await walker.querySelector(walker.rootNode, "#slider");
let accessibleSliderFront = await a11yWalker.getAccessibleFor(sliderNode);
let browser = gBrowser.selectedBrowser;
checkA11yFront(accessibleFront, {
name: "Accessible Button",
role: "pushbutton",
value: "",
description: "Accessibility Test",
help: "",
keyboardShortcut: "",
childCount: 1,
domNodeType: 1,
indexInParent: 1,
states: ["focusable", "selectable text", "opaque", "enabled", "sensitive"],
actions: [ "Press" ],
attributes: {
"margin-top": "0px",
display: "inline-block",
"text-align": "center",
"text-indent": "0px",
"margin-left": "0px",
tag: "button",
"margin-right": "0px",
id: "button",
"margin-bottom": "0px"
}
});
info("Name change event");
await emitA11yEvent(accessibleFront, "name-change",
(name, parent) => {
checkA11yFront(accessibleFront, { name: "Renamed" });
checkA11yFront(parent, { }, a11yDoc);
}, () => ContentTask.spawn(browser, null, () =>
content.document.getElementById("button").setAttribute(
"aria-label", "Renamed")));
info("Description change event");
await emitA11yEvent(accessibleFront, "description-change",
() => checkA11yFront(accessibleFront, { description: "" }),
() => ContentTask.spawn(browser, null, () =>
content.document.getElementById("button").removeAttribute("aria-describedby")));
info("State change event");
let expectedStates = ["unavailable", "selectable text", "opaque"];
await emitA11yEvent(accessibleFront, "states-change",
newStates => {
checkA11yFront(accessibleFront, { states: expectedStates });
SimpleTest.isDeeply(newStates, expectedStates, "States are updated");
}, () => ContentTask.spawn(browser, null, () =>
content.document.getElementById("button").setAttribute("disabled", true)));
info("Attributes change event");
await emitA11yEvent(accessibleFront, "attributes-change",
newAttrs => {
checkA11yFront(accessibleFront, { attributes: {
"container-live": "polite",
display: "inline-block",
"event-from-input": "false",
"explicit-name": "true",
id: "button",
live: "polite",
"margin-bottom": "0px",
"margin-left": "0px",
"margin-right": "0px",
"margin-top": "0px",
tag: "button",
"text-align": "center",
"text-indent": "0px"
}});
is(newAttrs.live, "polite", "Attributes are updated");
}, () => ContentTask.spawn(browser, null, () =>
content.document.getElementById("button").setAttribute("aria-live", "polite")));
info("Value change event");
checkA11yFront(accessibleSliderFront, { value: "5" });
await emitA11yEvent(accessibleSliderFront, "value-change",
() => checkA11yFront(accessibleSliderFront, { value: "6" }),
() => ContentTask.spawn(browser, null, () =>
content.document.getElementById("slider").setAttribute("aria-valuenow", "6")));
info("Reorder event");
is(accessibleSliderFront.childCount, 1, "Slider has only 1 child");
let [firstChild, ] = await accessibleSliderFront.children();
is(firstChild.indexInParent, 0, "Slider's first child has correct index in parent");
await emitA11yEvent(accessibleSliderFront, "reorder",
childCount => {
is(childCount, 2, "Child count is updated");
is(accessibleSliderFront.childCount, 2, "Child count is updated");
is(firstChild.indexInParent, 1,
"Slider's first child has an updated index in parent");
}, () => ContentTask.spawn(browser, null, () => {
let doc = content.document;
let slider = doc.getElementById("slider");
let button = doc.createElement("button");
button.innerText = "Slider button";
content.document.getElementById("slider").insertBefore(button, slider.firstChild);
}));
await emitA11yEvent(firstChild, "index-in-parent-change", indexInParent =>
is(indexInParent, 0, "Slider's first child has an updated index in parent"), () =>
ContentTask.spawn(browser, null, () =>
content.document.getElementById("slider").firstChild.remove()));
await accessibility.disable();
await waitForA11yShutdown();
await client.close();
gBrowser.removeCurrentTab();
});