/* -*- Mode: C++; tab-width: 4; 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"

%{C++
#define POWERMANAGERSERVICE_CONTRACTID "@mozilla.org/power/powermanagerservice;1"
%}

interface nsIDOMMozWakeLockListener;
interface mozIDOMWindow;
interface nsIWakeLock;

/**
 * For use with non-content code.
 */
[scriptable, builtinclass, uuid(ba7ca4c1-9d92-4425-a83b-85dd7fa953f7)]
interface nsIPowerManagerService : nsISupports
{
  void              addWakeLockListener(in nsIDOMMozWakeLockListener aListener);
  void              removeWakeLockListener(in nsIDOMMozWakeLockListener aListener);
  AString           getWakeLockState(in AString aTopic);

  /**
   * Return a wake lock (MozWakeLock) object of aTopic associated with aWindow.
   * A wake lock without associated window, e.g. used in chrome, is
   * always considered invisible.
   */
  nsIWakeLock newWakeLock(in AString aTopic, [optional] in mozIDOMWindow aWindow);
};