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- /* -*- Mode: IDL; tab-width: 4; 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 Bradley Baetz
- * Portions created by the Initial Developer are Copyright (C) 2001, 2002
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s): Bradley Baetz <bbaetz@student.usyd.edu.au>
- *
- * 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 nsIStreamListener;
-
- [scriptable, uuid(4ad136fa-83af-4a22-a76e-503642c0f4a8)]
- interface nsIResumableChannel : nsISupports {
- /**
- * Prepare this channel for resuming. The request will not start until
- * asyncOpen or open is called. Calling resumeAt after open or asyncOpen
- * has been called has undefined behaviour.
- *
- * @param startPos the starting offset, in bytes, to use to download
- * @param entityID information about the file, to match before obtaining
- * the file. Pass an empty string to use anything.
- *
- * During OnStartRequest, this channel will have a status of
- * NS_ERROR_NOT_RESUMABLE if the file cannot be resumed, eg because the
- * server doesn't support this. This error may occur even if startPos
- * is 0, so that the front end can warn the user.
- * Similarly, the status of this channel during OnStartRequest may be
- * NS_ERROR_ENTITY_CHANGED, which indicates that the entity has changed,
- * as indicated by a changed entityID.
- * In both of these cases, no OnDataAvailable will be called, and
- * OnStopRequest will immediately follow with the same status code.
- */
- void resumeAt(in unsigned long long startPos,
- in ACString entityID);
-
- /**
- * The entity id for this URI. Available after OnStartRequest.
- * @throw NS_ERROR_NOT_RESUMABLE if this load is not resumable.
- */
- readonly attribute ACString entityID;
- };
-