RetroZilla/content/base/public/nsIScriptLoader.idl

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/* -*- 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.
*
* 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 <vidur@netscape.com> (original author)
*
* 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"
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;
};