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89 lines
3.4 KiB
Plaintext
89 lines
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>
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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 "nsIRequest.idl"
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interface nsIInputStream;
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interface nsIOutputStream;
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interface nsIRequestObserver;
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interface nsIEventTarget;
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[scriptable, uuid(eaa49141-c21c-4fe8-a79b-77860a3910aa)]
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interface nsIAsyncStreamCopier : nsIRequest
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{
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/**
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* Initialize the stream copier.
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*
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* @param aSource
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* contains the data to be copied.
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* @param aSink
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* specifies the destination for the data.
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* @param aTarget
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* specifies the thread on which the copy will occur. a null value
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* is permitted and will cause the copy to occur on an unspecified
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* background thread.
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* @param aSourceBuffered
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* true if aSource implements ReadSegments.
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* @param aSinkBuffered
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* true if aSink implements WriteSegments.
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* @param aChunkSize
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* specifies how many bytes to read/write at a time. this controls
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* the granularity of the copying. it should match the segment size
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* of the "buffered" streams involved.
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*
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* NOTE: at least one of the streams must be buffered.
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*/
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void init(in nsIInputStream aSource,
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in nsIOutputStream aSink,
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in nsIEventTarget aTarget,
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in boolean aSourceBuffered,
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in boolean aSinkBuffered,
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in unsigned long aChunkSize);
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/**
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* asyncCopy triggers the start of the copy. The observer will be notified
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* when the copy completes.
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*
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* @param aObserver
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* receives notifications.
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* @param aObserverContext
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* passed to observer methods.
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*/
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void asyncCopy(in nsIRequestObserver aObserver,
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in nsISupports aObserverContext);
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};
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