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/* -*- 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"
interface nsIURI;
interface nsIPrincipal;
interface nsIObserver;
[scriptable, uuid(19533e7b-f321-4ef1-bc59-6e812dc2a733)]
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 of 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.
* - async: if set to true, the script will be loaded
* asynchronously, and a Promise is returned which
* resolves to its result when execution is complete.
* @retval rv the value returned by the sub-script
*/
[implicit_jscontext]
jsval loadSubScriptWithOptions(in AString url, in jsval options);
/*
* Compiles a JS script off the main thread and calls back the
* observer once it's done.
* The script will be cached in temporary or persistent storage depending
* on the principal used.
* We fire the notification callback in all cases - there is no fatal
* error there.
* @param uri the uri of the script to load.
* @param principal the principal from which we get the app id if any.
* @param observer this observer will be called once the script has
* been precompiled. The notification topic will be
* 'script-precompiled' and the subject the uri of the
* script as a nsIURI.
*/
void precompileScript(in nsIURI uri,
in nsIPrincipal principal,
in nsIObserver observer);
};
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