/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * ***** 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 nsIApplicationCache.idl.
 *
 * The Initial Developer of the Original Code is
 * Mozilla Corporation.
 * Portions created by the Initial Developer are Copyright (C) 2008
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Dave Camp <dcamp@mozilla.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"
#include "nsIApplicationCacheContainer.idl"

/**
 * Interface implemented by channels that support application caches.
 */
[scriptable, uuid(8d9024e6-ab01-442d-8119-2f55d55d91b0)]
interface nsIApplicationCacheChannel : nsIApplicationCacheContainer
{
    /**
     * TRUE when the resource came from the application cache. This
     * might be false even there is assigned an application cache
     * e.g. in case of fallback of load of an entry matching bypass
     * namespace.
     */
    readonly attribute PRBool loadedFromApplicationCache;

    /**
     * When true, the channel will ask its notification callbacks for
     * an application cache if one is not explicitly provided.  Default
     * value is true.
     *
     * NS_ERROR_ALREADY_OPENED will be thrown if set after AsyncOpen()
     * is called.
     */
    attribute boolean inheritApplicationCache;

    /**
     * When true, the channel will choose an application cache if one
     * was not explicitly provided and none is available from the
     * notification callbacks.  Default value is false.
     *
     * This attribute will not be transferred through a redirect.
     *
     * NS_ERROR_ALREADY_OPENED will be thrown if set after AsyncOpen()
     * is called.
     */
    attribute boolean chooseApplicationCache;

    /**
     * A shortcut method to mark the cache item of this channel as 'foreign'.
     * See the 'cache selection algorithm' and CACHE_SELECTION_RELOAD
     * action handling in nsContentSink.
     */
    void markOfflineCacheEntryAsForeign();
};
