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5d5a7c26c5
Maintain domain state in the time conductor; add a default list of domains to choose from.
65 lines
2.4 KiB
JavaScript
65 lines
2.4 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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['./TimeConductor'],
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function (TimeConductor) {
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'use strict';
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var ONE_DAY_IN_MS = 1000 * 60 * 60 * 24,
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SIX_HOURS_IN_MS = ONE_DAY_IN_MS / 4;
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/**
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* Provides a single global instance of the time conductor, which
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* controls both query ranges and displayed ranges for telemetry
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* data.
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*
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* @constructor
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* @memberof platform/features/conductor
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* @param {Function} now a function which returns the current time
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* as a UNIX timestamp, in milliseconds
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*/
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function ConductorService(now, domains) {
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var initialEnd =
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Math.ceil(now() / SIX_HOURS_IN_MS) * SIX_HOURS_IN_MS;
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this.conductor = new TimeConductor(
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initialEnd - ONE_DAY_IN_MS,
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initialEnd,
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domains
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);
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}
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/**
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* Get the global instance of the time conductor.
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* @returns {platform/features/conductor.TimeConductor} the
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* time conductor
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*/
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ConductorService.prototype.getConductor = function () {
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return this.conductor;
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};
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return ConductorService;
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}
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);
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