/* ***** 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> (original author)
 *
 * 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 "nsIStreamProvider.idl"

interface nsIEventQueue;

/**
 * A stream provider proxy is used to ship data over to another thread specified
 * by the thread's event queue.  The "true" stream provider's methods are
 * invoked on the other thread.
 *
 * This interface only provides the initialization needed after construction. 
 * Otherwise, these objects may be used as a nsIStreamProvider.
 */
[scriptable, uuid(5c3b0bac-605a-49ac-880e-5c8b993f7d2b)]
interface nsIStreamProviderProxy : nsIStreamProvider
{
    /**
     * Initializes an nsIStreamProviderProxy.
     *
     * @param aProvider - receives provider notifications on the other thread.
     * @param aEventQ - may be NULL indicating the calling thread's event queue.
     */
    void init(in nsIStreamProvider aProvider,
              in nsIEventQueue aEventQ,
              in unsigned long aBufferSegmentSize,
              in unsigned long aBufferMaxSize);
};
