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68 lines
2.7 KiB
Plaintext
68 lines
2.7 KiB
Plaintext
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corp.
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* Portions created by the Initial Developer are Copyright (C) 2002
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s): Darin Fisher <darin@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsISupports.idl"
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interface nsIOutputStream;
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interface nsIOutputStreamObserver;
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[scriptable, uuid(15b374f8-1dd2-11b2-87ab-c3299d704fd3)]
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interface nsIObservableOutputStream : nsISupports
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{
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/**
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* Allows users to set an observer on an input stream to receive notifications
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* about the consumer emptying the input stream's underlying buffer, or closing the
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* stream. This is necessary for non-blocking streams so that the producer can suspend
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* itself until more data can be written.
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*/
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attribute nsIOutputStreamObserver observer;
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};
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[scriptable, uuid(12314194-61b4-11d4-9877-00c04fa0cf4a)]
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interface nsIOutputStreamObserver : nsISupports
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{
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/**
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* Called when the output stream's producer has written more data into the stream.
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*/
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void onWrite(in nsIOutputStream outStr, in unsigned long amount);
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/**
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* Called when the stream's underlying buffer becomes full.
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*/
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void onFull(in nsIOutputStream outStr);
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};
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