gecko/netwerk/base/public/nsIApplicationCacheChannel.idl

/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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 * 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
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 *
 * 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>
 *
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 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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#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();
};