gecko-dev/layout/base/nsIStyleSheetService.idl

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/* -*- Mode: IDL; tab-width: 2; 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 Mozilla.
*
* The Initial Developer of the Original Code is
* IBM Corporation.
* Portions created by the Initial Developer are Copyright (C) 2005
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Brian Ryner <bryner@brianryner.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 ***** */
/* interface for managing user and user-agent style sheets */
#include "nsISupports.idl"
interface nsIURI;
/*
* nsIStyleSheetService allows extensions or embeddors to add to the
* built-in list of user or agent style sheets.
*/
[scriptable, uuid(1f42a6a2-ab0a-45d4-8a96-396f58ea6c6d)]
interface nsIStyleSheetService : nsISupports
{
const unsigned long AGENT_SHEET = 0;
const unsigned long USER_SHEET = 1;
/**
* Synchronously loads a style sheet from |sheetURI| and adds it to the list
* of user or agent style sheets.
*
* A user sheet loaded via this API will come before userContent.css and
* userChrome.css in the cascade (so the rules in it will have lower
* precedence than rules in those sheets).
*
* An agent sheet loaded via this API will come after ua.css in the cascade
* (so the rules in it will have higher precedence than rules in ua.css).
*
* The relative ordering of two user or two agent sheets loaded via
* this API is undefined.
*
* Sheets added via this API take effect on all documents, including
* already-loaded ones, immediately.
*/
void loadAndRegisterSheet(in nsIURI sheetURI, in unsigned long type);
/**
* Returns true if a style sheet at |sheetURI| has previously been
* added to the list of style sheets specified by |type|.
*/
boolean sheetRegistered(in nsIURI sheetURI, in unsigned long type);
/**
* Remove the style sheet at |sheetURI| from the list of style sheets
* specified by |type|. The removal takes effect immediately, even for
* already-loaded documents.
*/
void unregisterSheet(in nsIURI sheetURI, in unsigned long type);
};