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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsISupports.idl"
interface nsIURI;
interface nsIChannel;
interface nsILoadInfo;
[scriptable, uuid(c0c19db9-1b5a-4ac5-b656-ed6f8149fa48)]
interface nsIAboutModule : nsISupports
{
/**
* Constructs a new channel for the about protocol module.
*
* @param aURI the uri of the new channel
* @param aLoadInfo the loadinfo of the new channel
*/
nsIChannel newChannel(in nsIURI aURI,
in nsILoadInfo aLoadInfo);
/**
* A flag that indicates whether a URI should be run with content
* privileges. If it is, the about: protocol handler will enforce that
* the principal of channels created for it be based on their
* originalURI or URI (depending on the channel flags), by setting
* their "owner" to null.
* If content needs to be able to link to this URI, specify
* URI_CONTENT_LINKABLE as well.
*/
const unsigned long URI_SAFE_FOR_UNTRUSTED_CONTENT = (1 << 0);
/**
* A flag that indicates whether script should be enabled for the
* given about: URI even if it's disabled in general.
*/
const unsigned long ALLOW_SCRIPT = (1 << 1);
/**
* A flag that indicates whether this about: URI doesn't want to be listed
* in about:about, especially if it's not useful without a query string.
*/
const unsigned long HIDE_FROM_ABOUTABOUT = (1 << 2);
/**
* A flag that indicates whether this about: URI wants Indexed DB enabled.
*/
const unsigned long ENABLE_INDEXED_DB = (1 << 3);
/**
* A flag that indicates that this URI can be loaded in a child process
*/
const unsigned long URI_CAN_LOAD_IN_CHILD = (1 << 4);
/**
* A flag that indicates that this URI must be loaded in a child process
*/
const unsigned long URI_MUST_LOAD_IN_CHILD = (1 << 5);
/**
* Obsolete. This flag no longer has any effect and will be removed in future.
*/
const unsigned long MAKE_UNLINKABLE = (1 << 6);
/**
* A flag that indicates that this URI should be linkable from content.
* Ignored unless URI_SAFE_FOR_UNTRUSTED_CONTENT is also specified.
*
* When adding a new about module with this flag make sure to also update
* IsSafeToLinkForUntrustedContent() in nsAboutProtocolHandler.cpp
*/
const unsigned long MAKE_LINKABLE = (1 << 7);
/**
* A flag that indicates that this URI can be loaded in the privileged
* activity stream content process if said process is enabled. Ignored unless
* URI_MUST_LOAD_IN_CHILD is also specified.
*/
const unsigned long URI_CAN_LOAD_IN_PRIVILEGEDABOUT_PROCESS = (1 << 8);
/**
* A flag that indicates that this URI must be loaded in an extension process (if available).
*/
const unsigned long URI_MUST_LOAD_IN_EXTENSION_PROCESS = (1 << 9);
/**
* A flag that indicates that this about: URI needs to allow unsanitized content.
* Only to be used by about:home and about:newtab.
*/
const unsigned long ALLOW_UNSANITIZED_CONTENT = (1 << 10);
/**
* A method to get the flags that apply to a given about: URI. The URI
* passed in is guaranteed to be one of the URIs that this module
* registered to deal with.
*/
unsigned long getURIFlags(in nsIURI aURI);
/**
* A method to get the chrome URI that corresponds to a given about URI.
*/
nsIURI getChromeURI(in nsIURI aURI);
};
%{C++
#define NS_ABOUT_MODULE_CONTRACTID "@mozilla.org/network/protocol/about;1"
#define NS_ABOUT_MODULE_CONTRACTID_PREFIX NS_ABOUT_MODULE_CONTRACTID "?what="
#define NS_ABOUT_MODULE_CONTRACTID_LENGTH 49 // strlen(NS_ABOUT_MODULE_CONTRACTID_PREFIX)
%}