gecko-dev/uriloader/base/nsIWebProgress.idl

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/* -*- 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):
* Travis Bogard <travis@netscape.com>
*/
#include "nsISupports.idl"
interface nsIWebProgressListener;
/**
* The nsIWebProgress interface is used to look at the progress of a given
* browser loading.
*/
[scriptable, uuid(570F39D0-EFD0-11d3-B093-00A024FFC08C)]
interface nsIWebProgress : nsISupports
{
/*
Registers a listener to be notified of Progress Events
@param listener - The listener interface to be called when a progress event
occurs.
@return NS_OK - Listener was registered successfully.
NS_INVALID_ARG - The listener passed in was either nsnull,
or was already registered with this progress interface.
*/
void addProgressListener(in nsIWebProgressListener listener);
/*
Removes a previously registered listener of Progress Events
@param listener - The listener interface previously registered with
AddListener() this may be nsnull if a valid cookie is provided.
@return NS_OK - Listener was successfully unregistered.
NS_ERROR_INVALID_ARG - Neither the cookie nor the listener point
to a previously registered listener.
*/
void removeProgressListener(in nsIWebProgressListener listener);
};