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-/* ***** 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 Jetpack.
- *
- * The Initial Developer of the Original Code is Mozilla.
- * Portions created by the Initial Developer are Copyright (C) 2011
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- * Irakli Gozalishvili <gozala@mozilla.com>
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either 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 ***** */
-
-"use strict";
-
-const { Cc, Ci } = require("chrome");
-const { createRemoteBrowser } = require("api-utils/window-utils");
-const { channel } = require("./channel");
-const { setTimout } = require('./timer');
-const packaging = require('@packaging');
-const { when } = require('./unload');
-
-const addonService = '@mozilla.org/addon/service;1' in Cc ?
- Cc['@mozilla.org/addon/service;1'].getService(Ci.nsIAddonService) : null
-
-const ENABLE_E10S = packaging.enable_e10s;
-
-function loadScript(target, uri, sync) {
- return 'loadScript' in target ? target.loadScript(uri, sync)
- : target.loadFrameScript(uri, sync)
-}
-
-function process(target, id, path, scope) {
- // Please note that even though `loadScript`, is executed before channel is
- // returned, users still are able to subscribe for messages before any message
- // will be sent. That's because `loadScript` queues script execution on the
- // other process, which means they will execute async (on the next turn of
- // event loop), while the channel for messages is returned immediately (in
- // the same turn of event loop).
-
- loadScript(target, packaging.uriPrefix + packaging.loader, false);
- loadScript(target, 'data:,let loader = Loader.new(' +
- JSON.stringify(packaging) + ');\n' +
- 'loader.main("' + id + '", "' + path + '");', false);
-
- when(function (reason) {
- // Please note that it's important to unload remote loader
- // synchronously (using synchronous frame script), to make sure that we
- // don't stop during unload.
- loadScript(target, 'data:,loader.unload("' + reason + '")', true);
- });
-
- return { channel: channel.bind(null, scope, target) }
-}
-
-exports.spawn = function spawn(id, path) {
- return function promise(deliver) {
- // If `nsIAddonService` is available we use it to create an add-on process,
- // otherwise we fallback to the remote browser's message manager.
- if (ENABLE_E10S && addonService) {
- console.log('!!!!!!!!!!!!!!!!!!!! Using addon process !!!!!!!!!!!!!!!!!!');
- deliver(process(addonService.createAddon(), id, path));
- } else {
- createRemoteBrowser(ENABLE_E10S)(function(browser) {
- let messageManager = browser.QueryInterface(Ci.nsIFrameLoaderOwner).
- frameLoader.messageManager
- let window = browser.ownerDocument.defaultView;
- deliver(process(messageManager, id, path, window));
- });
- }
- };
-};