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- /* ***** 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.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 2002
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- * Darin Fisher <darin@netscape.com>
- *
- * 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 "nsIRequest.idl"
-
- interface nsIInputStream;
- interface nsIOutputStream;
- interface nsIRequestObserver;
- interface nsIEventTarget;
-
- [scriptable, uuid(eaa49141-c21c-4fe8-a79b-77860a3910aa)]
- interface nsIAsyncStreamCopier : nsIRequest
- {
- /**
- * Initialize the stream copier.
- *
- * @param aSource
- * contains the data to be copied.
- * @param aSink
- * specifies the destination for the data.
- * @param aTarget
- * specifies the thread on which the copy will occur. a null value
- * is permitted and will cause the copy to occur on an unspecified
- * background thread.
- * @param aSourceBuffered
- * true if aSource implements ReadSegments.
- * @param aSinkBuffered
- * true if aSink implements WriteSegments.
- * @param aChunkSize
- * specifies how many bytes to read/write at a time. this controls
- * the granularity of the copying. it should match the segment size
- * of the "buffered" streams involved.
- *
- * NOTE: at least one of the streams must be buffered.
- */
- void init(in nsIInputStream aSource,
- in nsIOutputStream aSink,
- in nsIEventTarget aTarget,
- in boolean aSourceBuffered,
- in boolean aSinkBuffered,
- in unsigned long aChunkSize);
-
- /**
- * asyncCopy triggers the start of the copy. The observer will be notified
- * when the copy completes.
- *
- * @param aObserver
- * receives notifications.
- * @param aObserverContext
- * passed to observer methods.
- */
- void asyncCopy(in nsIRequestObserver aObserver,
- in nsISupports aObserverContext);
- };
-