/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * The contents of this file are subject to the Netscape 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/NPL/
 *
 * 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 mozilla.org code.
 *
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation. All
 * Rights Reserved.
 *
 * Contributor(s): 
 * Seth Spitzer <sspitzer@netscape.com>
 */

#include "nsISupports.idl"
#include "nsIUrlListener.idl"
#include "nsINntpIncomingServer.idl"
#include "MailNewsTypes2.idl"

interface nsIURI;
interface nsIStreamListener;  
interface nsISupportsArray;
interface nsIFileSpec;
interface nsIMsgWindow;
interface nsIMsgFolder;
interface nsICacheSession;

[scriptable, uuid(4C9F90E0-E19B-11d2-806E-006008128C4E)]
interface nsINntpService : nsISupports {
  
  /* newsgroupsList is a comma seperated list of newsgroups, which may be
   * in news://host/group or group form
   * "news://host/group1,news://host/group2" or "group1,group2"
   *
   * newsgroupsHeaderVal is a comma seperated list of groups in the group form
   * "group1,group2"
   *
   * newshostHeaderVal is a single hostname.
   * "host"
   */
  void generateNewsHeaderValsForPosting(in string newsgroupsList, out string newsgroupsHeaderVal, out string newshostHeaderVal);

  nsIURI postMessage (in nsIFileSpec fileToPost, in string newsgroupNames, in string newshostName, in nsIUrlListener aUrlListener, in nsIMsgWindow aMsgWindow);

  nsIURI getNewNews (in nsINntpIncomingServer nntpServer, in string uri, in boolean getOld, in nsIUrlListener aUrlListener, in nsIMsgWindow aMsgWindow);

  nsIURI cancelMessage(in string cancelURL, in string messageURI, in nsISupports aConsumer, in nsIUrlListener aUrlListener, in nsIMsgWindow aMsgWindow);
 
  void getListOfGroupsOnServer(in nsINntpIncomingServer nntpServer, in nsIMsgWindow aMsgWindow);

  void updateCounts(in nsINntpIncomingServer nntpServer, in nsIMsgWindow aMsgWindow);

  nsIURI fetchMessage(in nsIMsgFolder newsFolder, in nsMsgKey key, in nsIMsgWindow aMsgWindow, in nsISupports aConsumer, in nsIUrlListener aUrlListener);

  void downloadNewsgroupsForOffline(in nsIMsgWindow aMsgWindow, in nsIUrlListener aListener);
  /** 
   * can handle news_message:// and news:// 
   */
  void decomposeNewsURI(in string uri, out nsIMsgFolder folder, out nsMsgKey key);

  // handle to the cache session used by news....
  readonly attribute nsICacheSession cacheSession;
};