Initial Commit - NG UI

[osm/NG-UI.git] / src / services / DeviceCheckService.ts

diff --git a/src/services/DeviceCheckService.ts b/src/services/DeviceCheckService.ts
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--- /dev/null
+++ b/src/services/DeviceCheckService.ts
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+/*
+ Copyright 2020 TATA ELXSI
+
+ 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.
+
+ Author: KUMARAN M (kumaran.m@tataelxsi.co.in), RAJESH S (rajesh.s@tataelxsi.co.in), BARATH KUMAR R (barath.r@tataelxsi.co.in)
+ */
+import { Injectable } from '@angular/core';
+import { BehaviorSubject, Observable } from 'rxjs';
+/**
+ * @file Provider for Device Check Service
+ */
+/**
+ * An Injectable is a class adorned with the @Injectable decorator function.
+ * @Injectable takes a metadata object that tells Angular how to compile and run module code
+ */
+@Injectable({
+    providedIn: 'root'
+})
+/** Exporting a class @exports DeviceCheckService */
+export class DeviceCheckService {
+    /** Get method for Observable isMobile */
+    get isMobile(): Observable<boolean> {
+        return this.isMobile$.asObservable();
+    }
+    /** Holds the mobile condition of type BehaviorSubject<boolean> @private */
+    private isMobile$: BehaviorSubject<boolean> = new BehaviorSubject<boolean>(false);
+
+    /** Return the Device type @public */
+    public checkDeviceType(): void {
+        if (navigator.userAgent.match(/Android/i)
+            || navigator.userAgent.match(/webOS/i)
+            || navigator.userAgent.match(/iPhone/i)
+            || navigator.userAgent.match(/iPod/i)
+            || navigator.userAgent.match(/BlackBerry/i)
+            || navigator.userAgent.match(/Windows Phone/i)) {
+            this.isMobile$.next(true);
+        } else {
+            this.isMobile$.next(false);
+        }
+    }
+}