/* -*- Mode: C++; tab-width: 4; 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"

[scriptable, uuid(837d0211-c448-4bb8-a9bf-922ba33b9d37)]
interface mozIJSSubScriptLoader : nsISupports
{
    /**
     * This method should only be called from JS!
     * In JS, the signature looks like:
     * rv loadSubScript (url [, obj] [, charset]);
     * @param url the url if the sub-script, it MUST be either a file:,
     *            resource:, or chrome: url, and MUST be local.
     * @param obj an optional object to evaluate the script onto, it
     *            defaults to the global object of the caller.
     * @param charset optionally specifies the character encoding of
     *                the file. If absent, the file is interpreted
     *                as ASCII.
     * @retval rv the value returned by the sub-script
     */
    [implicit_jscontext]
    jsval loadSubScript(in AString url, [optional] in jsval obj, [optional] in AString charset);

    /**
     * This method should only be called from JS!
     * In JS, the signature looks like:
     * rv = loadSubScript (url, optionsObject)
     * @param url the url of the sub-script, it MUST be either a file:,
     *            resource:, or chrome: url, and MUST be local.
     * @param optionsObject an object with parameters. Valid parameters are:
     *                      - charset: specifying the character encoding of the file (default: ASCII)
     *                      - target:  an object to evaluate onto (default: global object of the caller)
     *                      - ignoreCache: if set to true, will bypass the cache for reading the file.
     * @retval rv the value returned by the sub-script
     */
    [implicit_jscontext]
    jsval loadSubScriptWithOptions(in AString url, in jsval options);
};
