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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 "nsISupports.idl"
-
- interface nsITransport;
- interface nsIInputStream;
- interface nsIOutputStream;
-
- /**
- * This service read/writes a stream on a background thread.
- *
- * Use this service to transform any blocking stream (e.g., file stream)
- * into a fully asynchronous stream that can be read/written without
- * blocking the main thread.
- */
- [scriptable, uuid(8268D474-EFBF-494f-A152-E8A8616F4E52)]
- interface nsIStreamTransportService : nsISupports
- {
- /**
- * CreateInputTransport
- *
- * @param aStream
- * The input stream that will be read on a background thread.
- * This stream must implement "blocking" stream semantics.
- * @param aStartOffset
- * The input stream will be read starting from this offset. Pass
- * -1 to read from the current stream offset. NOTE: this parameter
- * is ignored if the stream does not support nsISeekableStream.
- * @param aReadLimit
- * This parameter limits the number of bytes that will be read from
- * the input stream. Pass -1 to read everything.
- * @param aCloseWhenDone
- * Specify this flag to have the input stream closed once its
- * contents have been completely read.
- *
- * @return nsITransport instance.
- */
- nsITransport createInputTransport(in nsIInputStream aStream,
- in long long aStartOffset,
- in long long aReadLimit,
- in boolean aCloseWhenDone);
-
- /**
- * CreateOutputTransport
- *
- * @param aStream
- * The output stream that will be written to on a background thread.
- * This stream must implement "blocking" stream semantics.
- * @param aStartOffset
- * The output stream will be written starting at this offset. Pass
- * -1 to write to the current stream offset. NOTE: this parameter
- * is ignored if the stream does not support nsISeekableStream.
- * @param aWriteLimit
- * This parameter limits the number of bytes that will be written to
- * the output stream. Pass -1 for unlimited writing.
- * @param aCloseWhenDone
- * Specify this flag to have the output stream closed once its
- * contents have been completely written.
- *
- * @return nsITransport instance.
- */
- nsITransport createOutputTransport(in nsIOutputStream aStream,
- in long long aStartOffset,
- in long long aWriteLimit,
- in boolean aCloseWhenDone);
- };
-