/* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * 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 the Mozilla browser.
 * 
 * The Initial Developer of the Original Code is Netscape
 * Communications, Inc.  Portions created by Netscape are
 * Copyright (C) 1999, Mozilla.  All Rights Reserved.
 * 
 * Contributor(s):
 *   Scott MacGregor <mscott@netscape.com>
 */

/* The external protocol service is used for finding and launching
   platform specific applications for particular protocols.

   You can ask the external protocol service if it has an external
   handler for a given protocol scheme. And you can ask it to load 
   the url using the default handler...
 */

#include "nsISupports.idl"

interface nsIURI;
interface nsIFile;

[scriptable, uuid(100FD4B3-4557-11d4-98D0-001083010E9B)]
interface nsIExternalProtocolService : nsISupports
{
  // aProtocolScheme --> the scheme from a url: http, ftp, mailto, etc.
  // returns true if we have a handler and false otherwise...
  boolean externalProtocolHandlerExists(in string aProtocolScheme);

  // used to load a url via an external protocol handler (if one exists)
  // aURL --> the url to load
  void loadUrl (in nsIURI aURL);  
};