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- /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 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 mozilla.org code.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 1998
- * the Initial Developer. All Rights Reserved.
- *
- * 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
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * 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 MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
- #include "nsISupports.idl"
-
- interface nsIURI;
- interface nsIRequest;
-
- /**
- * nsIProgressEventSink
- *
- * This interface is used to asynchronously convey channel status and progress
- * information that is generally not critical to the processing of the channel.
- * The information is intended to be displayed to the user in some meaningful
- * way.
- *
- * An implementation of this interface can be passed to a channel via the
- * channel's notificationCallbacks attribute. See nsIChannel for more info.
- *
- * The channel will begin passing notifications to the progress event sink
- * after its asyncOpen method has been called. Notifications will cease once
- * the channel calls its listener's onStopRequest method or once the channel
- * is canceled (via nsIRequest::cancel).
- *
- * NOTE: This interface is actually not specific to channels and may be used
- * with other implementations of nsIRequest.
- *
- * @status UNDER_REVIEW
- */
- [scriptable, uuid(D974C99E-4148-4df9-8D98-DE834A2F6462)]
- interface nsIProgressEventSink : nsISupports
- {
- /**
- * Called to notify the event sink that progress has occurred for the
- * given request.
- *
- * @param aRequest
- * the request being observed (may QI to nsIChannel).
- * @param aContext
- * if aRequest is a channel, then this parameter is the listener
- * context passed to nsIChannel::asyncOpen.
- * @param aProgress
- * numeric value in the range 0 to aProgressMax indicating the
- * number of bytes transfered thus far.
- * @param aProgressMax
- * numeric value indicating maximum number of bytes that will be
- * transfered (or 0xFFFFFFFFFFFFFFFF if total is unknown).
- */
- void onProgress(in nsIRequest aRequest,
- in nsISupports aContext,
- in unsigned long long aProgress,
- in unsigned long long aProgressMax);
-
- /**
- * Called to notify the event sink with a status message for the given
- * request.
- *
- * @param aRequest
- * the request being observed (may QI to nsIChannel).
- * @param aContext
- * if aRequest is a channel, then this parameter is the listener
- * context passed to nsIChannel::asyncOpen.
- * @param aStatus
- * status code (not necessarily an error code) indicating the
- * state of the channel (usually the state of the underlying
- * transport). see nsISocketTransport for socket specific status
- * codes.
- * @param aStatusArg
- * status code argument to be used with the string bundle service
- * to convert the status message into localized, human readable
- * text. the meaning of this parameter is specific to the value
- * of the status code. for socket status codes, this parameter
- * indicates the host:port associated with the status code.
- */
- void onStatus(in nsIRequest aRequest,
- in nsISupports aContext,
- in nsresult aStatus,
- in wstring aStatusArg);
-
- };
-