/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * 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 nsICacheVisitor.idl, released February 23, 2001.
 * 
 * The Initial Developer of the Original Code is Netscape Communications
 * Corporation.  Portions created by Netscape are
 * Copyright (C) 2001 Netscape Communications Corporation.  All
 * Rights Reserved.
 * 
 * Contributor(s): 
 *    Gordon Sheridan <gordon@netscape.com>
 *    Patrick Beard   <beard@netscape.com>
 *    Darin Fisher    <darin@netscape.com>
 */

#include "nsISupports.idl"

/* XXX we should define device and entry info as well (stats, etc) */

[scriptable, uuid(f8c08c4b-d778-49d1-a59b-866fdc500d95)]
interface nsICacheVisitor : nsISupports
{
    /**
     * Called to provide information about a cache device.
     *
     * @param deviceID - specifies the device being visited.
     * @param deviceInfo - specifies information about this device.
     *
     * @return true to start visiting all entries for this device.
     * @return false to advance to the next device.
     */
    boolean visitDevice(in string deviceID, in nsISupports deviceInfo);

    /**
     * Called to provide information about a cache entry.
     *
     * @param deviceID - specifies the device being visited.
     # @param clientID - specifies the client who created this entry.
     * @param entryInfo - specifies information about this entry.
     * 
     * @return true to visit the next entry on the current device, or if the
     *   end of the device has been reached, advance to the next device.
     * @return false to advance to the next device.
     */
    boolean visitEntry(in string deviceID,
                       in string clientID,
                       in nsISupports entryInfo);
};