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/* -*- 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"

/**
 * Determine if this instance is running background task mode and
 * what, if any, task is active.
 */
[scriptable, uuid(353dccb8-a863-49e4-941b-007382eac168)]
interface nsIBackgroundTasks : nsISupports
{
  /**
   * True if and only if this invocation is running in background task mode.
   */
  readonly attribute boolean isBackgroundTaskMode;

  /**
   * A non-empty task name if this invocation is running in background
   * task mode, or `null` if this invocation is not running in
   * background task mode.
   */
  AString backgroundTaskName();

  /**
   * Should only be used for testing.
   * Set the background task name.
   */
  void overrideBackgroundTaskNameForTesting(in AString taskName);
};