class $getPositions {
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constructor(arg) {
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this.id = arg.id || 0; //任务id
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this.fn = arg.fn ? function(data) {
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arg.fn(data);
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} : function(data) {
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console.log("未设置输出回调")
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return data;
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};
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this.ourPosition = []; //全部位置
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this.nowPosition = []; //当前位置
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this.onceNowPosition = []; //当前一次位置
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this.getOnceSPosition = null;
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this.state = false;
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this.isContinued = false;
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this.isContinuedTimeInt = null;
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this.isContinuedTimeOut = null;
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return this;
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}
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//开始获取
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init() {
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//判断权限
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return this;
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}
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continued() {
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//开始持续获取定位
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console.log("开始持续定位")
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let that = this;
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this.isContinued = true;
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if (this.isContinuedTimeInt) {
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console.log("重复开始持续定位")
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return;
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} else {
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that.once(function(res) {
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if (res.state == false) {
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console.log(res.intlat)
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}
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})
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this.isContinuedTimeInt = setInterval(() => {
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that.once(function(res) {
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if (res.state == false) {
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console.log(res.intlat)
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}
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})
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}, 5000)
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}
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}
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continuedTime(val) {
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//开始持续获取定位
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let that = this;
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if (val != 1) {
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// console.log(that.id,"开始持续定位")
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this.isContinued = true;
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that.once(function(res) {
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if (res.state == false) {
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// console.log(res.intlat)
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that.outData();
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}
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})
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if (this.isContinuedTimeOut) {
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// console.log("重复开始持续定位")
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return;
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}
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}
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this.isContinuedTimeOut = setTimeout(() => {
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that.once(function(res) {
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if (res.state == false) {
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// console.log(res.intlat)
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that.outData();
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if (res.ok) {
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//返回成功
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that.continuedTime(1);
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} else {
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//返回失败
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that.continuedTime(1);
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}
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}
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})
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}, 3000)
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}
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overContinued() {
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// console.log("结束持续定位")
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let that = this;
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if (this.isContinued) {
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this.isContinued = false;
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if (this.isContinuedTimeInt) {
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clearInterval(that.isContinuedTimeInt);
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this.isContinuedTimeInt = null;
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}
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if (this.isContinuedTimeOut) {
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clearTimeout(that.isContinuedTimeOut);
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this.isContinuedTimeOut = null;
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}
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}
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this.isContinued = false;
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that.outData('out');
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}
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once(fn) {
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// console.log("开始获取一次定位");
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this.state = true;
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let ok = true;
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let that = this,
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fns = fn || '',
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outit = function() {
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if (fns) {
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fns({
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state: that.state,
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intlat: that.onceNowPosition,
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ok: ok
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})
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} else {
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that.outData();
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}
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};
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outit();
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let success = function(position) {
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// console.log(position);
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var lat = position.coords.longitude;//经度
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var lon = position.coords.latitude;//纬度
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// console.log("成功返回经纬度信息");
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// console.log(lon, lat, "成功");
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that.onceNowPosition = [lat, lon];
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that.state = false;
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ok = true;
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outit();
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};
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let error = function(error) {
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// console.log(error, "失败");
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let msg = "none";
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switch (error.code) {
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case error.PERMISSION_DENIED:
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msg = "User denied the request for Geolocation.";
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break;
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case error.POSITION_UNAVAILABLE:
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msg = "Location information is unavailable.";
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break;
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case error.TIMEOUT:
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msg = "The request to get user location timed out.";
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break;
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case error.UNKNOWN_ERROR:
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msg = "An unknown error occurred.";
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break;
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}
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that.onceNowPosition = msg;
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that.state = false;
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ok = false;
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outit();
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};
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let options = {
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enableHighAccuracy: true,
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// timeout: 5000,
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timeout: Infinity,
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maximumAge: 0,
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};
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this.getOnceSPosition = navigator.geolocation.getCurrentPosition(
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success,
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error,
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options
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);
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}
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//结束获取
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outInit() {
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}
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//抛出数据
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outData(val) {
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let d = {
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state: this.state,
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intlat: this.onceNowPosition
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}
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if (val) {
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d[val] = val
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}
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this.fn(d)
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}
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}
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// export default $getPositions;
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