add popup message

src/app/services/network-service.service.ts

@@ -15,38 +15,40 @@ export enum ConnectionStatus {
 })
 export class NetworkServiceService {
   private status: BehaviorSubject<ConnectionStatus> = new BehaviorSubject(ConnectionStatus.Offline);
- 
+
+  private wsCallbacks: {[key: string]:  {
+    function: Function,
+    event: ConnectionStatus
+  }} = {}
+
   constructor(private network: Network, private toastController: ToastController, private plt: Platform) {
     this.plt.ready().then(() => {
       this.initializeNetworkEvents();
       let status =  this.network.type !== 'none' ? ConnectionStatus.Online : ConnectionStatus.Offline;
       this.status.next(status);
-    }); 
-    
+    });
+
     this.onNetworkChange().subscribe((status) => {
 
     })
 
   }
- 
   public initializeNetworkEvents() {
- 
     this.network.onDisconnect().subscribe(() => {
       if (this.status.getValue() === ConnectionStatus.Online) {
         this.updateNetworkStatus(ConnectionStatus.Offline);
       }
     });
- 
     this.network.onConnect().subscribe(() => {
       if (this.status.getValue() === ConnectionStatus.Offline) {
         this.updateNetworkStatus(ConnectionStatus.Online);
       }
     });
   }
- 
+
   private async updateNetworkStatus(status: ConnectionStatus) {
     this.status.next(status);
- 
+
     let connection = status == ConnectionStatus.Offline ? 'Offline' : 'Online';
     let toast = this.toastController.create({
       message: `You are now ${connection}`,
@@ -55,11 +57,9 @@ export class NetworkServiceService {
     });
     toast.then(toast => toast.present());
   }
- 
   public onNetworkChange(): Observable<ConnectionStatus> {
     return this.status.asObservable();
   }
- 
   public getCurrentNetworkStatus(): ConnectionStatus {
     return this.status.getValue();
   }