Renamed prefixes in angular.json

projects/common-map/src/fm-map/services/geolocation.service.ts

@@ -0,0 +1,40 @@
+import { Injectable } from '@angular/core';
+import { Observer, Observable } from 'rxjs';
+
+/**
+ * GeolocationService class.
+ * https://developers.google.com/maps/documentation/javascript/
+ * https://dev.w3.org/geo/api/spec-source.html
+ */
+@Injectable()
+export class GeolocationService {
+
+  /**
+   * Tries HTML5 geolocation.
+   *
+   * Wraps the Geolocation API into an observable.
+   *
+   * @return An observable of Position
+   */
+  getCurrentPosition(): Observable<Position> {
+    return Observable.create((observer: Observer<Position>) => {
+      // Invokes getCurrentPosition method of Geolocation API.
+      navigator.geolocation.watchPosition(
+        (position: Position) => {
+          observer.next(position);
+          observer.complete();
+        },
+        (error: PositionError) => {
+          console.log('Geolocation service: ' + error.message);
+          observer.error(error);
+        },
+        {
+          enableHighAccuracy: true,
+          timeout: 5000,
+          maximumAge: 0
+        }
+      );
+    });
+  }
+
+}