/*
* Copyright 2003-2006, 2009, 2017, 2020 United States Government, as represented
* by the Administrator of the National Aeronautics and Space Administration.
* All rights reserved.
*
* The NASAWorldWind/WebWorldWind platform is licensed under the Apache License,
* Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed
* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*
* NASAWorldWind/WebWorldWind also contains the following 3rd party Open Source
* software:
*
* ES6-Promise – under MIT License
* libtess.js – SGI Free Software License B
* Proj4 – under MIT License
* JSZip – under MIT License
*
* A complete listing of 3rd Party software notices and licenses included in
* WebWorldWind can be found in the WebWorldWind 3rd-party notices and licenses
* PDF found in code directory.
*/
/**
* @exports KmlTimePrimitive
*/
define([
'./KmlObject'
], function (KmlObject) {
"use strict";
/**
* Constructs an KmlTimePrimitive. Applications usually don't call this constructor. It is called by {@link KmlFile}
* as objects from KmlFile are read.
* @alias KmlTimePrimitive
* @classdesc It is ancestor for all TimePrimitives - TimeSpan and TimeStamp
* @param options {Object}
* @param options.objectNode {Node} Node representing Kml TimePrimitive.
* @constructor
* @see https://developers.google.com/kml/documentation/kmlreference#timeprimitive
* @augments KmlObject
*/
var KmlTimePrimitive = function (options) {
KmlObject.call(this, options);
};
KmlTimePrimitive.prototype = Object.create(KmlObject.prototype);
/**
* It returns range applicable to current time.
* @returns {{from: Date, to: Date}}
*/
KmlTimePrimitive.prototype.timeRange = function() {
var from, to;
if(this.kmlBegin) {
to = from = this.kmlBegin.valueOf();
}
if(this.kmlEnd) {
to = this.kmlEnd.valueOf();
if(!from) {
from = to;
}
}
if(this.kmlWhen) {
to = from = this.kmlWhen.valueOf();
}
return {
from: from,
to: to
};
};
/**
* @inheritDoc
*/
KmlTimePrimitive.prototype.getTagNames = function () {
return ['TimeSpan', 'TimeStamp'];
};
return KmlTimePrimitive;
});