/* -*- Mode: C++; 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.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Akkana Peck <akkana@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"

%{C++
class nsCSSStyleSheet;
%}

[ptr] native nsCSSStyleSheet(nsCSSStyleSheet);

[scriptable, uuid(4805e682-49b9-11d3-9ce4-ed60bd6cb5bc)]

interface nsIEditorStyleSheets : nsISupports
{
  /** Load and apply the style sheet, specified by aURL, to the
    * editor's document, replacing the last style sheet added (if any).
    * This is always asynchronous, and may cause network I/O.
    * 
    * @param aURL The style sheet to be loaded and applied.
    */
  void replaceStyleSheet(in AString aURL);

  /** Add the given style sheet to the editor's document,
    * on top of any that are already there.
    * This is always asynchronous, and may cause network I/O.
    *
    * @param aURL The style sheet to be loaded and applied.
    */
  void addStyleSheet(in AString aURL);

  /** Load and apply the override style sheet, specified by aURL, to the
    * editor's document, replacing the last override style sheet added (if any).
    * This is always synchronous, so aURL should be a local file with only
    * local @imports. This action is not undoable. It is not intended for
    * "user" style sheets, only for editor developers to add sheets to change
    * display behavior for editing (like showing special cursors) that will
    * not be affected by loading "document" style sheets with addStyleSheet or
    * especially replaceStyleSheet.
    * 
    * @param aURL The style sheet to be loaded and applied.
    */
  void replaceOverrideStyleSheet(in AString aURL);

  /** Load and apply an override style sheet, specified by aURL, to
    * the editor's document, on top of any that are already there.
    * This is always synchronous, so the same caveats about local files and no
    * non-local @import as replaceOverrideStyleSheet apply here, too.
    *
    * @param aURL The style sheet to be loaded and applied.
    */
  void addOverrideStyleSheet(in AString aURL);

  /** Remove the given style sheet from the editor's document
    * This is always synchronous
    *
    * @param aURL The style sheet to be removed
    */
  void removeStyleSheet(in AString aURL);

  /** Remove the given override style sheet from the editor's document
    * This is always synchronous
    *
    * @param aURL The style sheet to be removed.
    */
  void removeOverrideStyleSheet(in AString aURL);

  /** Enable or disable the given style sheet from the editor's document
    * This is always synchronous
    *
    * @param aURL  The style sheet to be enabled or disabled
    * @param aEnable true to enable, or false to disable the style sheet
    */
  void enableStyleSheet(in AString aURL, in PRBool aEnable);

  /** Get the nsCSSStyleSheet associated with the given URL.
    *
    * @param aURL         The style sheet's URL
    * @return             the style sheet
    */
  [noscript] nsCSSStyleSheet getStyleSheetForURL(in AString aURL);

  /** Get the URL associated with the given nsCSSStyleSheet.
    *
    * @param aStyleSheet  The style sheet
    * @return             the style sheet's URL
    */
  [noscript] AString getURLForStyleSheet(in nsCSSStyleSheet aStyleSheet);
};
