browser_events_hide.js

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/* 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";

/**

 * Test hide event and its interface:

 *   - targetParent

 *   - targetNextSibling

 *   - targetPrevSibling

*/

addAccessibleTask(

  <div id="parent">

    <div id="previous"></div>

    <div id="to-hide"></div>

    <div id="next"></div>

  </div>`,

  async function (browser, accDoc) {

    let acc = findAccessibleChildByID(accDoc, "to-hide");

    let onHide = waitForEvent(EVENT_HIDE, acc);

    await invokeSetStyle(browser, "to-hide", "visibility", "hidden");

    let event = await onHide;

    let hideEvent = event.QueryInterface(Ci.nsIAccessibleHideEvent);

is(

      getAccessibleDOMNodeID(hideEvent.targetParent),

      "parent",

      "Correct target parent."

);

is(

      getAccessibleDOMNodeID(hideEvent.targetNextSibling),

      "next",

      "Correct target next sibling."

);

is(

      getAccessibleDOMNodeID(hideEvent.targetPrevSibling),

      "previous",

      "Correct target previous sibling."

);

},

  { iframe: true, remoteIframe: true }

);