/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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(e15f104f-a16d-4e51-a362-4b4c5efe05b9)]
/**
 * Callback interface for objects interested in receiving new mail notifications
 * from mozINewMailNotificationService
 * NOTE: THIS INTERFACE IS UNDER ACTIVE DEVELOPMENT AND SUBJECT TO CHANGE,
 * see https://bugzilla.mozilla.org/show_bug.cgi?id=715799
 */
interface mozINewMailListener : nsISupports {
  /** The new mail notification service will call this when the number of interesting
   * messages has changed
   *
   * @param unreadCount   The number of unread messages the user cares to be notified about
   */
  void onCountChanged(in unsigned long count);
};