RetroZilla/netwerk/base/public/nsINetworkLinkService.idl
2015-10-20 23:03:22 -04:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:expandtab:shiftwidth=4:tabstop=4:
*/
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Novell code.
*
* The Initial Developer of the Original Code is Novell, Inc.
*
* Original Author: Robert O'Callahan (rocallahan@novell.com)
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
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* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsISupports.idl"
/**
* Network link status monitoring service.
*/
[scriptable, uuid(61618a52-ea91-4277-a4ab-ebe10d7b9a64)]
interface nsINetworkLinkService : nsISupports
{
/**
* This is set to true when the system is believed to have a usable
* network connection.
*
* The link is only up when network connections can be established. For
* example, the link is down during DHCP configuration (unless there
* is another usable interface already configured).
*
* If the link status is not currently known, we generally assume that
* it is up.
*/
readonly attribute boolean isLinkUp;
/**
* This is set to true when we believe that isLinkUp is accurate.
*/
readonly attribute boolean linkStatusKnown;
};
%{C++
/**
* We send notifications through nsIObserverService with topic
* NS_NETWORK_LINK_TOPIC whenever one of isLinkUp or linkStatusKnown
* changes. We pass one of the NS_NETWORK_LINK_DATA_ constants below
* as the aData parameter of the notification.
*/
#define NS_NETWORK_LINK_TOPIC "network:link-status-changed"
/**
* isLinkUp is now true, linkStatusKnown is true.
*/
#define NS_NETWORK_LINK_DATA_UP "up"
/**
* isLinkUp is now false, linkStatusKnown is true.
*/
#define NS_NETWORK_LINK_DATA_DOWN "down"
/**
* linkStatusKnown is now false.
*/
#define NS_NETWORK_LINK_DATA_UNKNOWN "unknown"
%}