/* -*- Mode: IDL; tab-width: 4; 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):
 */

#include "nsISupports.idl"
#include "nsIURI.idl"
interface nsIChannel;

[scriptable, uuid(69EFC430-2EFE-11d2-9E5D-006008BF092E)]
interface nsIRefreshURI : nsISupports {
    /**
      * Load a uri after waiting for aMillis milliseconds. If the docshell
      * is busy loading a page currently, the refresh request will be
      * queued and executed when the current load finishes. 
      *
      * @param aUri The uri to refresh.
      * @param aMillis The number of milliseconds to wait.
      * @param aRepeat Flag to indicate if the uri is to be 
      *                repeatedly refreshed every aMillis milliseconds.
      * @parem aMetaRefresh Flag to indicate if this is a Meta refresh.
      */
    void refreshURI(in nsIURI aURI, in long aMillis, in boolean aRepeat, in boolean aMetaRefresh);

    /**
      * Checks the passed in channel to see if there is a refresh header, 
      * if there is, will setup a timer to refresh the uri found
      * in the header. If docshell is busy loading a page currently, the
      * request will be queued and executed when the current page 
      * finishes loading. 
      *
      * @param aChannel The channel to be parsed. 
      */
    void setupRefreshURI(in nsIChannel aChannel); 

    /**
      * Parses the passed in header string and sets up a refreshURI if
      * a "refresh" header is found. If docshell is busy loading a page 
      * currently, the request will be queued and executed when 
      * the current page finishes loading. 
      *
      * @param aBaseURI base URI to resolve refresh uri with.
      * @param aHeader  The meta refresh header string.
      */
    void setupRefreshURIFromHeader(in nsIURI aBaseURI, in ACString aHeader);
      
    /**
      * Cancels all timer loads.
      */
    void cancelRefreshURITimers();
};