browser_osPicker.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";

addAccessibleTask(

  `<input id="file" type="file">`,

  async function (browser, docAcc) {

    info("Focusing file input");

    await runPython(`

      global focused

      focused = WaitForWinEvent(EVENT_OBJECT_FOCUS, "file")

`);

    const file = findAccessibleChildByID(docAcc, "file");

    file.takeFocus();

    await runPython(`

      focused.wait()

`);

    ok(true, "file input got focus");

    info("Opening file picker");

    await runPython(`

      global focused

      focused = WaitForWinEvent(

        EVENT_OBJECT_FOCUS,

        lambda evt: getWindowClass(evt.hwnd) == "Edit"

`);

    file.doAction(0);

    await runPython(`

      global event

      event = focused.wait()

`);

    ok(true, "Picker got focus");

    info("Dismissing picker");

    await runPython(`

      # If the picker is dismissed too quickly, it seems to re-enable the root

      # window before we do. This sleep isn't ideal, but it's more likely to

      # reproduce the case that our root window gets focus before it is enabled.

      # See bug 1883568 for further details.

      import time

      time.sleep(1)

      focused = WaitForWinEvent(EVENT_OBJECT_FOCUS, "file")

      # Sending key presses to the picker is unreliable, so use WM_CLOSE.

      pickerRoot = user32.GetAncestor(event.hwnd, GA_ROOT)

      user32.SendMessageW(pickerRoot, WM_CLOSE, 0, 0)

      focused.wait()

`);

    ok(true, "file input got focus");

);