michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "nsIInputStream.idl"
michael@0: #include "nsIOutputStream.idl"
michael@0: 
michael@0: /**
michael@0:  * An input stream that reads ahead and keeps a buffer coming from another input
michael@0:  * stream so that fewer accesses to the underlying stream are necessary.
michael@0:  */
michael@0: [scriptable, uuid(616f5b48-da09-11d3-8cda-0060b0fc14a3)]
michael@0: interface nsIBufferedInputStream : nsIInputStream
michael@0: {
michael@0:     /**
michael@0:      * @param fillFromStream - add buffering to this stream
michael@0:      * @param bufferSize     - specifies the maximum buffer size
michael@0:      */
michael@0:     void init(in nsIInputStream fillFromStream,
michael@0:               in unsigned long bufferSize);
michael@0: };
michael@0: 
michael@0: /**
michael@0:  * An output stream that stores up data to write out to another output stream
michael@0:  * and does the entire write only when the buffer is full, so that fewer writes
michael@0:  * to the underlying output stream are necessary.
michael@0:  */
michael@0: [scriptable, uuid(6476378a-da09-11d3-8cda-0060b0fc14a3)]
michael@0: interface nsIBufferedOutputStream : nsIOutputStream
michael@0: {
michael@0:     /**
michael@0:      * @param sinkToStream - add buffering to this stream
michael@0:      * @param bufferSize   - specifies the maximum buffer size
michael@0:      */
michael@0:     void init(in nsIOutputStream sinkToStream,
michael@0:               in unsigned long bufferSize);
michael@0: };