/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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/. */

#include "nsISupports.idl"

[scriptable, uuid(8cd92fce-1ec3-470a-ad09-c0de9d98497e)]
interface nsIBackgroundTasksRunner : nsISupports
{
  /**
   * Runs a background process in an independent detached process. Any process
   * opened by this function can outlive the main process.
   *
   * This function is thread-safe.
   *
   * XXX: The use of base::LaunchApp can make a zombie process on Unix.
   * See bug 1802559.
   *
   * @param aTaskName The name of the background task.
   *                  (BackgroundTask_{name}.sys.mjs)
   * @param aArgs The arguments that will be passed to the task process. Any
   *              needed escape will happen automatically.
   */
  void runInDetachedProcess(in ACString aTaskName,
                            in Array<ACString> aCommandLine);

  /**
   * Runs removeDirectory background task.
   * `toolkit.background_tasks.remove_directory.testing.sleep_ms` can be set to
   * make it wait for the given milliseconds for testing purpose.
   *
   * See BackgroundTask_removeDirectory.sys.mjs for details about the arguments.
   */
  void removeDirectoryInDetachedProcess(in ACString aParentDirPath,
                                        in ACString aChildDirName,
                                        in ACString aSecondsToWait,
                                        in ACString aOtherFoldersSuffix,
                                        [optional] in ACString aMetricsId);
};