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69 lines
2.5 KiB
JavaScript
69 lines
2.5 KiB
JavaScript
/*****************************************************************************
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* Open MCT Web, Copyright (c) 2014-2015, United States Government
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* as represented by the Administrator of the National Aeronautics and Space
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* Administration. All rights reserved.
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*
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* Open MCT Web is licensed under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* Open MCT Web includes source code licensed under additional open source
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* licenses. See the Open Source Licenses file (LICENSES.md) included with
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* this source code distribution or the Licensing information page available
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* at runtime from the About dialog for additional information.
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*****************************************************************************/
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/*global define*/
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define(
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[],
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function () {
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"use strict";
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/**
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* Handles the execution of WebWorkers.
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* @constructor
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*/
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function WorkerService($window, workers) {
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var workerUrls = {},
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Worker = $window.Worker;
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function addWorker(worker) {
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var key = worker.key;
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if (!workerUrls[key]) {
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workerUrls[key] = [
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worker.bundle.path,
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worker.bundle.sources,
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worker.scriptUrl
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].join("/");
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}
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}
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(workers || []).forEach(addWorker);
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return {
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/**
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* Start running a new web worker. This will run a worker
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* that has been registered under the `workers` category
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* of extension.
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*
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* @param {string} key symbolic identifier for the worker
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* @returns {Worker} the running Worker
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*/
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run: function (key) {
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var scriptUrl = workerUrls[key];
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return scriptUrl && Worker && new Worker(scriptUrl);
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}
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};
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}
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return WorkerService;
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}
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);
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