author Wan-Teh Chang <>
Fri, 08 May 2009 06:46:38 -0700
changeset 28127 515054a2dc431c86f588eb676aec1597be81805b
parent 1 9b2a99adc05e53cd4010de512f50118594756650
permissions -rw-r--r--
Bug 86396: update NSPR to NSPR_4_8_BETA1. Also fix Bug 491045, bug 476996, bug 485318, bug 485374, bug 427136.

/* -*- 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
 * 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
 * Netscape Communications.
 * Portions created by the Initial Developer are Copyright (C) 2001
 * the Initial Developer. All Rights Reserved.
 * Contributor(s):
 *   Vidur Apparao <> (original author)
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 * 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
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#include "nsISupports.idl"

interface nsIDocument;
interface nsIScriptElement;
interface nsIScriptLoaderObserver;

[scriptable, uuid(339a4eb5-dac6-4034-8c43-f4f8c645ce57)]
interface nsIScriptLoader : nsISupports {
   * Initialize loader with a document. The container of this document
   * will be used for getting script evaluation information, including
   * the context in which to do the evaluation. The loader maintains a 
   * strong reference to the document.
   * @param aDocument The document to use as the basis for script
   *        processing.
  void init(in nsIDocument aDocument);

   * The loader maintains a strong reference to the document with
   * which it is initialized. This call forces the reference to
   * be dropped.
  void dropDocumentReference();

   * Add an observer for all scripts loaded through this loader.
   * @param aObserver observer for all script processing.
  void addObserver(in nsIScriptLoaderObserver aObserver);

   * Remove an observer.
   * @param aObserver observer to be removed
  void removeObserver(in nsIScriptLoaderObserver aObserver);
   * Process a script element. This will include both loading the 
   * source of the element if it is not inline and evaluating
   * the script itself.
   * @param aElement The element representing the script to be loaded and
   *        evaluated.
   * @param aObserver An observer for this script load only
  void processScriptElement(in nsIScriptElement aElement,
                            in nsIScriptLoaderObserver aObserver);

   * Gets the currently executing script. This is useful if you want to
   * generate a unique key based on the currently executing script.
  nsIScriptElement getCurrentScript();

   * Whether the loader is enabled or not.
   * When disabled, processing of new script elements is disabled. 
   * Any call to processScriptElement() will fail with a return code of
   * NS_ERROR_NOT_AVAILABLE. Note that this DOES NOT disable
   * currently loading or executing scripts.
  attribute boolean enabled;