docshell/base/nsDocShellLoadTypes.h
author shaver@mozilla.org
Wed, 19 Mar 2008 15:14:51 -0700
changeset 13324 6ce0b471b72596f5088539b0c962b524f647f72d
parent 10966 86798f7c7b93716042beb7625a576d4292efe5f5
child 21935 a9c8796253e9ac52495da238a8f0e744c13a9d5d
permissions -rw-r--r--
Test for bug 423379 (content can load chrome and/or resource), r/sr=jst.

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 * vim: set ts=4 sw=4 et tw=80:
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 * 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 the Mozilla browser.
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 * The Initial Developer of the Original Code is
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 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *   Travis Bogard <travis@netscape.com>
 *
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 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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#ifndef nsDocShellLoadTypes_h_
#define nsDocShellLoadTypes_h_

#ifdef MOZILLA_INTERNAL_API

#include "nsIDocShell.h"
#include "nsIWebNavigation.h"

/**
 * Load flag for error pages. This should be bigger than all flags on
 * nsIWebNavigation.
 */
#define LOAD_FLAGS_ERROR_PAGE 0x8000U

#define MAKE_LOAD_TYPE(type, flags) ((type) | ((flags) << 16))
#define LOAD_TYPE_HAS_FLAGS(type, flags) ((type) & ((flags) << 16))

/**
 * These are flags that confuse ConvertLoadTypeToDocShellLoadInfo and should not
 * be passed to MAKE_LOAD_TYPE.
 */
#define EXTRA_LOAD_FLAGS (LOAD_FLAGS_ALLOW_THIRD_PARTY_FIXUP | \
                          LOAD_FLAGS_FIRST_LOAD | \
                          LOAD_FLAGS_BYPASS_CLASSIFIER)

/* load types are legal combinations of load commands and flags 
 *  
 * NOTE:
 *  Remember to update the IsValidLoadType function below if you change this
 *  enum to ensure bad flag combinations will be rejected.
 */
enum LoadType {
    LOAD_NORMAL = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_NONE),
    LOAD_NORMAL_REPLACE = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_REPLACE_HISTORY),
    LOAD_NORMAL_EXTERNAL = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_FROM_EXTERNAL),
    LOAD_HISTORY = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_HISTORY, nsIWebNavigation::LOAD_FLAGS_NONE),
    LOAD_NORMAL_BYPASS_CACHE = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_BYPASS_CACHE),
    LOAD_NORMAL_BYPASS_PROXY = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_BYPASS_PROXY),
    LOAD_NORMAL_BYPASS_PROXY_AND_CACHE = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_BYPASS_CACHE | nsIWebNavigation::LOAD_FLAGS_BYPASS_PROXY),
    LOAD_RELOAD_NORMAL = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_RELOAD, nsIWebNavigation::LOAD_FLAGS_NONE),
    LOAD_RELOAD_BYPASS_CACHE = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_RELOAD, nsIWebNavigation::LOAD_FLAGS_BYPASS_CACHE),
    LOAD_RELOAD_BYPASS_PROXY = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_RELOAD, nsIWebNavigation::LOAD_FLAGS_BYPASS_PROXY),
    LOAD_RELOAD_BYPASS_PROXY_AND_CACHE = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_RELOAD, nsIWebNavigation::LOAD_FLAGS_BYPASS_CACHE | nsIWebNavigation::LOAD_FLAGS_BYPASS_PROXY),
    LOAD_LINK = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_IS_LINK),
    LOAD_REFRESH = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_IS_REFRESH),
    LOAD_RELOAD_CHARSET_CHANGE = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_RELOAD, nsIWebNavigation::LOAD_FLAGS_CHARSET_CHANGE),
    LOAD_BYPASS_HISTORY = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_BYPASS_HISTORY),
    LOAD_STOP_CONTENT = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_STOP_CONTENT),
    LOAD_STOP_CONTENT_AND_REPLACE = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_STOP_CONTENT | nsIWebNavigation::LOAD_FLAGS_REPLACE_HISTORY),
    /**
     * Load type for an error page. These loads are never triggered by users of
     * Docshell. Instead, Docshell triggers the load itself when a
     * consumer-triggered load failed.
     */
    LOAD_ERROR_PAGE = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_NORMAL, LOAD_FLAGS_ERROR_PAGE)

    // NOTE: Adding a new value? Remember to update IsValidLoadType!
};
static inline PRBool IsValidLoadType(PRUint32 aLoadType)
{
    switch (aLoadType)
    {
    case LOAD_NORMAL:
    case LOAD_NORMAL_REPLACE:
    case LOAD_NORMAL_EXTERNAL:
    case LOAD_NORMAL_BYPASS_CACHE:
    case LOAD_NORMAL_BYPASS_PROXY:
    case LOAD_NORMAL_BYPASS_PROXY_AND_CACHE:
    case LOAD_HISTORY:
    case LOAD_RELOAD_NORMAL:
    case LOAD_RELOAD_BYPASS_CACHE:
    case LOAD_RELOAD_BYPASS_PROXY:
    case LOAD_RELOAD_BYPASS_PROXY_AND_CACHE:
    case LOAD_LINK:
    case LOAD_REFRESH:
    case LOAD_RELOAD_CHARSET_CHANGE:
    case LOAD_BYPASS_HISTORY:
    case LOAD_STOP_CONTENT:
    case LOAD_STOP_CONTENT_AND_REPLACE:
    case LOAD_ERROR_PAGE:
        return PR_TRUE;
    }
    return PR_FALSE;
}

#endif // MOZILLA_INTERNAL_API
#endif