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location.android.ts
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217 lines (190 loc) · 8.29 KB
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import enums = require("ui/enums");
import appModule = require("application");
import locationModule = require("location");
import common = require("location/location-common");
import merger = require("utils/module-merge");
declare var exports;
merger.merge(common, exports);
export class LocationManager implements locationModule.LocationManager {
get android(): locationModule.AndroidLocationManager {
return this.androidLocationManager;
}
get ios(): locationModule.iOSLocationManager {
return undefined;
}
public isStarted: boolean;
// in meters
public desiredAccuracy: number;
// The minimum distance (measured in meters) a device must move horizontally before an update event is generated.
public updateDistance: number;
private androidLocationManager: locationModule.AndroidLocationManager;
private _locationListener: any;
get locationListener(): any {
if (!this._locationListener) {
this._locationListener = <any>new android.location.LocationListener({
onLocationChanged: function (location1: android.location.Location) {
if (this._onLocation) {
var location = LocationManager.locationFromAndroidLocation(location1);
if (this.maximumAge) {
if (location.timestamp.valueOf() + this.maximumAge > new Date().valueOf()) {
this._onLocation(location);
}
}
else {
this._onLocation(location);
}
}
},
onProviderDisabled: function (provider: string) {
//
},
onProviderEnabled: function (provider: string) {
//
},
onStatusChanged: function (arg1: string, arg2: number, arg3: android.os.Bundle): void {
//
}
});
}
return this._locationListener;
}
private static locationFromAndroidLocation(androidLocation: android.location.Location): locationModule.Location {
var location = new locationModule.Location();
location.latitude = androidLocation.getLatitude();
location.longitude = androidLocation.getLongitude();
location.altitude = androidLocation.getAltitude();
location.horizontalAccuracy = androidLocation.getAccuracy();
location.verticalAccuracy = androidLocation.getAccuracy();
location.speed = androidLocation.getSpeed();
location.direction = androidLocation.getBearing();
location.timestamp = new Date(androidLocation.getTime());
location.android = androidLocation;
return location;
}
private static androidLocationFromLocation(location: locationModule.Location): android.location.Location {
var androidLocation = new android.location.Location('custom');
androidLocation.setLatitude(location.latitude);
androidLocation.setLongitude(location.longitude);
if (location.altitude) {
androidLocation.setAltitude(location.altitude);
}
if (location.speed) {
androidLocation.setSpeed(float(location.speed));
}
if (location.direction) {
androidLocation.setBearing(float(location.direction));
}
if (location.timestamp) {
try {
androidLocation.setTime(long(location.timestamp.getTime()));
}
catch (e) {
console.error('invalid location timestamp');
}
}
return androidLocation;
}
public static isEnabled(): boolean {
var criteria = new android.location.Criteria();
criteria.setAccuracy(android.location.Criteria.ACCURACY_COARSE);
var lm = appModule.android.context.getSystemService(android.content.Context.LOCATION_SERVICE);
// due to bug in android API getProviders() with criteria parameter overload should be called (so most loose acuracy is used).
var enabledProviders = lm.getProviders(criteria, true);
return (enabledProviders.size() > 0) ? true : false;
}
public static distance(loc1: locationModule.Location, loc2: locationModule.Location): number {
if (!loc1.android) {
loc1.android = LocationManager.androidLocationFromLocation(loc1);
}
if (!loc2.android) {
loc2.android = LocationManager.androidLocationFromLocation(loc2);
}
return loc1.android.distanceTo(loc2.android);
}
constructor() {
//super();
this.desiredAccuracy = enums.Accuracy.any;
this.updateDistance = 0;
//this.androidLocationManager = appModule.android.context.getSystemService(android.content.Context.LOCATION_SERVICE);
var alm = appModule.android.context.getSystemService(android.content.Context.LOCATION_SERVICE);
this.androidLocationManager = new AndroidLocationManager(alm);
this.androidLocationManager.minimumUpdateTime = 200;
}
public startLocationMonitoring(onLocation: (location: locationModule.Location) => any, onError?: (error: Error) => any, options?: locationModule.Options) {
var criteria = new android.location.Criteria();
if (options) {
if (options.desiredAccuracy) {
this.desiredAccuracy = options.desiredAccuracy;
}
if (options.updateDistance) {
this.updateDistance = options.updateDistance;
}
if (options.minimumUpdateTime) {
this.androidLocationManager.minimumUpdateTime = options.minimumUpdateTime;
}
}
criteria.setAccuracy((this.desiredAccuracy === enums.Accuracy.high) ? android.location.Criteria.ACCURACY_FINE : android.location.Criteria.ACCURACY_COARSE);
this.locationListener._onLocation = onLocation;
this.locationListener._onError = onError;
this.locationListener.maximumAge = (options && ("number" === typeof options.maximumAge)) ? options.maximumAge : undefined;
try {
this.androidLocationManager.manager.requestLocationUpdates(this.androidLocationManager.minimumUpdateTime, this.updateDistance, criteria, this.locationListener, null);
this.isStarted = true;
}
catch (e) {
if (onError) {
onError(e);
}
}
}
public stopLocationMonitoring() {
this.androidLocationManager.manager.removeUpdates(this.locationListener);
this.isStarted = false;
}
get lastKnownLocation(): locationModule.Location {
var criteria = new android.location.Criteria();
criteria.setAccuracy((this.desiredAccuracy === enums.Accuracy.high) ? android.location.Criteria.ACCURACY_FINE : android.location.Criteria.ACCURACY_COARSE);
try {
var providers = this.androidLocationManager.manager.getProviders(criteria, false);
var it = providers.iterator();
var location: android.location.Location;
var tempLocation: android.location.Location;
while (it.hasNext()) {
var element = it.next();
//console.log('found provider: ' + element);
tempLocation = this.androidLocationManager.manager.getLastKnownLocation(element);
if (!location) {
location = tempLocation;
}
else {
if (tempLocation.getTime() < location.getTime()) {
location = tempLocation;
}
}
}
if (location) {
return LocationManager.locationFromAndroidLocation(location);
}
}
catch (e) {
console.error(e.message);
}
return null;
}
}
export class AndroidLocationManager implements locationModule.AndroidLocationManager {
private _manager: android.location.LocationManager;
private _minimumUpdateTime: number;
public set minimumUpdateTime(value: number) {
this._minimumUpdateTime = value;
}
public get minimumUpdateTime(): number {
return this._minimumUpdateTime;
}
public get manager(): android.location.LocationManager {
return this._manager;
}
constructor(manager: android.location.LocationManager) {
this._manager = manager;
}
}