browser_first_download_panel.js

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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */

/* vim: set ts=2 et sw=2 tw=80: */

/* Any copyright is dedicated to the Public Domain.

   http://creativecommons.org/publicdomain/zero/1.0/ */

/* eslint-disable mozilla/no-arbitrary-setTimeout */

/**

 * Make sure the downloads panel only opens automatically on the first

 * download it notices. All subsequent downloads, even across sessions, should

 * not open the panel automatically.

*/

add_task(async function test_first_download_panel() {

  await SpecialPowers.pushPrefEnv({

    set: [["browser.download.autohideButton", false]],

});

  await promiseButtonShown("downloads-button");

  // Clear the download panel has shown preference first as this test is used to

  // verify this preference's behaviour.

  let oldPrefValue = Services.prefs.getBoolPref("browser.download.panel.shown");

  Services.prefs.setBoolPref("browser.download.panel.shown", false);

  registerCleanupFunction(async function () {

    // Clean up when the test finishes.

    await task_resetState();

    // Set the preference instead of clearing it afterwards to ensure the

    // right value is used no matter what the default was. This ensures the

    // panel doesn't appear and affect other tests.

    Services.prefs.setBoolPref("browser.download.panel.shown", oldPrefValue);

});

  // Ensure that state is reset in case previous tests didn't finish.

  await task_resetState();

  // With this set to false, we should automatically open the panel the first

  // time a download is started.

  DownloadsCommon.getData(window).panelHasShownBefore = false;

  info("waiting for panel open");

  let promise = promisePanelOpened();

  DownloadsCommon.getData(window)._notifyDownloadEvent("start");

  await promise;

  // If we got here, that means the panel opened.

  DownloadsPanel.hidePanel();

ok(

    DownloadsCommon.getData(window).panelHasShownBefore,

    "Should have recorded that the panel was opened on a download."

);

  await SpecialPowers.pushPrefEnv({

    set: [["browser.download.alwaysOpenPanel", false]],

});

  // Next, make sure that if we start another download, we don't open the

  // panel automatically.

  let originalOnPopupShown = DownloadsPanel.onPopupShown;

  DownloadsPanel.onPopupShown = function () {

    originalOnPopupShown.apply(this, arguments);

    ok(false, "Should not have opened the downloads panel.");

};

  DownloadsCommon.getData(window)._notifyDownloadEvent("start");

  // Wait 2 seconds to ensure that the panel does not open.

  await new Promise(resolve => setTimeout(resolve, 2000));

  DownloadsPanel.onPopupShown = originalOnPopupShown;

});