browser_systemCaret.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";

/**

 * Test that the accessibility engine correctly sets the Windows system caret.

 * We already have cross-platform tests for GetCaretRect in

 * accessible/tests/browser/bounds/browser_caret_rect.js.

 * Thus, these tests are not extensive and are only to verify that the Windows

 * system caret matches GetCaretRect.

*/

addAccessibleTask(

  `<input id="input">`,

  async function testSystemCaret(browser, docAcc) {

    const input = findAccessibleChildByID(docAcc, "input", [nsIAccessibleText]);

    info("Focusing input");

    let moved = waitForEvent(EVENT_TEXT_CARET_MOVED, input);

    input.takeFocus();

    await moved;

    const geckoX = {};

    const geckoY = {};

    const geckoW = {};

    const geckoH = {};

    input.getCaretRect(geckoX, geckoY, geckoW, geckoH);

    // Windows proxies the OS caret via MSAA OBJID_CARET. This is the easiest

    // way to query the OS caret.

    const sysRect = await runPython(`

      hwnd = getFirefoxHwnd()

      caret = AccessibleObjectFromWindow(hwnd, OBJID_CARET)

      return caret.accLocation(CHILDID_SELF)

`);

    is(sysRect[0], geckoX.value, "sysX == geckoX");

    is(sysRect[1], geckoY.value, "sysY == geckoY");

    is(sysRect[2], geckoW.value, "sysW == geckoW");

    is(sysRect[3], geckoH.value, "sysH == geckoH");

},

  { chrome: true, topLevel: true, iframe: true, remoteIframe: true }

);