From 8b299ef5d5783d2628b0f914c3eb28b044275cf4 Mon Sep 17 00:00:00 2001
From: Chrystian Huot <chrystian.huot@rhfaction.com>
Date: Wed, 10 Jul 2019 13:02:08 -0400
Subject: [PATCH] Prevent navigating away if live feed is on

---
 client/imports/app/app.module.ts            |  4 ++--
 client/imports/app/radio/radio.component.ts | 10 +++++++++-
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/client/imports/app/app.module.ts b/client/imports/app/app.module.ts
index 648f94d..0b5bfa4 100644
--- a/client/imports/app/app.module.ts
+++ b/client/imports/app/app.module.ts
@@ -22,8 +22,8 @@ import { AppSharedModule } from './shared/shared.module';
                 path: '**',
                 pathMatch: 'full',
                 redirectTo: '',
-            }
-        ])
+            },
+        ]),
     ],
 })
 export class AppModule { }
diff --git a/client/imports/app/radio/radio.component.ts b/client/imports/app/radio/radio.component.ts
index 7dba923..5b311bc 100644
--- a/client/imports/app/radio/radio.component.ts
+++ b/client/imports/app/radio/radio.component.ts
@@ -1,4 +1,4 @@
-import { Component, OnDestroy, OnInit } from '@angular/core';
+import { Component, HostListener, OnDestroy, OnInit } from '@angular/core';
 import { Subscription } from 'rxjs';
 import { RadioEvent } from './radio';
 import { AppRadioService } from './radio.service';
@@ -27,6 +27,14 @@ export class AppRadioComponent implements OnDestroy, OnInit {
         this._unsubscribe();
     }
 
+    @HostListener('window:beforeunload', ['$event'])
+    private _exitNotification(event: BeforeUnloadEvent): void {
+        if (this.appRadioService.live) {
+            event.preventDefault();
+            event.returnValue = false;
+        }
+    }
+
     private _subscribe(): void {
         this._subscriptions.push(
             this.appRadioService.event.subscribe((event: RadioEvent) => {