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84 строки
3.4 KiB
Plaintext
84 строки
3.4 KiB
Plaintext
/* ***** 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 Corporation.
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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):
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* Darin Fisher <darin@netscape.com> (original author)
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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 "nsIStreamListener.idl"
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interface nsIOutputStream;
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interface nsIRequestObserver;
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interface nsIEventTarget;
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/**
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* As data "flows" into a stream listener tee, it is copied to the output stream
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* and then forwarded to the real listener.
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*/
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[scriptable, uuid(62b27fc1-6e8c-4225-8ad0-b9d44252973a)]
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interface nsIStreamListenerTee : nsIStreamListener
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{
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/**
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* Initalize the tee.
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*
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* @param listener
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* the original listener the tee will propagate onStartRequest,
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* onDataAvailable and onStopRequest notifications to, exceptions from
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* the listener will be propagated back to the channel
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* @param sink
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* the stream the data coming from the channel will be written to,
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* should be blocking
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* @param requestObserver
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* optional parameter, listener that gets only onStartRequest and
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* onStopRequest notifications; exceptions threw within this optional
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* observer are also propagated to the channel, but exceptions from
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* the original listener (listener parameter) are privileged
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*/
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void init(in nsIStreamListener listener,
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in nsIOutputStream sink,
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[optional] in nsIRequestObserver requestObserver);
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/**
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* Initalize the tee like above, but with the extra parameter to make it
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* possible to copy the output asynchronously
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* @param anEventTarget
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* if set, this event-target is used to copy data to the output stream,
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* giving an asynchronous tee
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*/
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void initAsync(in nsIStreamListener listener,
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in nsIEventTarget eventTarget,
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in nsIOutputStream sink,
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[optional] in nsIRequestObserver requestObserver);
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};
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