browser_treeupdate_canvas.js

Enable keyboard shortcuts

/* 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";

/* import-globals-from ../../mochitest/role.js */

loadScripts({ name: "role.js", dir: MOCHITESTS_DIR });

addAccessibleTask(

  <canvas id="canvas">

    <div id="dialog" role="dialog" style="display: none;"></div>

  </canvas>`,

  async function (browser, accDoc) {

    let canvas = findAccessibleChildByID(accDoc, "canvas");

    let dialog = findAccessibleChildByID(accDoc, "dialog");

    testAccessibleTree(canvas, { CANVAS: [] });

    let onShow = waitForEvent(EVENT_SHOW, "dialog");

    await invokeSetStyle(browser, "dialog", "display", "block");

    await onShow;

    testAccessibleTree(dialog, { DIALOG: [] });

},

  { iframe: true, remoteIframe: true }

);