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/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * ***** 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 the Mozilla browser.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications, Inc.
 * Portions created by the Initial Developer are Copyright (C) 1999
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Travis Bogard <travis@netscape.com>
 *   Viswanath Ramachandran <vishy@netscape.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of 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"

/**
 * The nsIDocShellLoadInfo interface defines an interface for specifying
 * setup information used in a nsIDocShell::loadURI call.
 */
 
interface nsIURI;
interface nsIInputStream;
interface nsISHEntry;

typedef long nsDocShellInfoLoadType;

[scriptable, uuid(92a0a637-373e-4647-9476-ead11e005c75)]
interface nsIDocShellLoadInfo : nsISupports
{
    /** This is the referrer for the load. */
    attribute nsIURI referrer;

    /** The owner of the load, that is, the entity responsible for 
     *  causing the load to occur. This should be a nsIPrincipal typically.
     */
    attribute nsISupports owner;

    /** If this attribute is true and no owner is specified, copy
     *  the owner from the referring document.
     */
    attribute boolean inheritOwner;

    /** If this attribute is true only ever use the owner specify by
     *  the owner and inheritOwner attributes.
     *  If there are security reasons for why this is unsafe, such
     *  as trying to use a systemprincipal owner for a content docshell
     *  the load fails.
     */
    attribute boolean ownerIsExplicit;

    /* these are load type enums... */
    const long loadNormal = 0;                     // Normal Load
    const long loadNormalReplace = 1;              // Normal Load but replaces current history slot
    const long loadHistory = 2;                    // Load from history
    const long loadReloadNormal = 3;               // Reload
    const long loadReloadBypassCache = 4;
    const long loadReloadBypassProxy = 5;
    const long loadReloadBypassProxyAndCache = 6;
    const long loadLink = 7;
    const long loadRefresh = 8;
    const long loadReloadCharsetChange = 9;
    const long loadBypassHistory = 10;
    const long loadStopContent = 11;
    const long loadStopContentAndReplace = 12;
    const long loadNormalExternal = 13;
    const long loadNormalBypassCache = 14;
    const long loadNormalBypassProxy = 15;
    const long loadNormalBypassProxyAndCache = 16;

    /** Contains a load type as specified by the load* constants */
    attribute nsDocShellInfoLoadType loadType;

    /** SHEntry for this page */
    attribute nsISHEntry SHEntry;

    /** Target for load, like _content, _blank etc. */
    attribute wstring target;

    /** Post data */
    attribute nsIInputStream postDataStream;

    /** Additional headers */
    attribute nsIInputStream headersStream;

    /** True if the referrer should be sent, false if it shouldn't be
     *  sent, even if it's available. This attribute defaults to true.
     */
    attribute boolean sendReferrer;
};