From da73a2f5d223253ef3dcfa5782dbffec9de99cf7 Mon Sep 17 00:00:00 2001
From: Kyle Spearrin <kyle.spearrin@gmail.com>
Date: Thu, 18 Apr 2019 12:53:05 -0400
Subject: [PATCH] mobile broadcaster service

---
 src/App/Services/MobileBroadcasterService.cs | 29 ++++++++++++++++++++
 src/Core/Abstractions/IBroadcasterService.cs | 11 ++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 src/App/Services/MobileBroadcasterService.cs
 create mode 100644 src/Core/Abstractions/IBroadcasterService.cs

diff --git a/src/App/Services/MobileBroadcasterService.cs b/src/App/Services/MobileBroadcasterService.cs
new file mode 100644
index 000000000..c2e53cfc0
--- /dev/null
+++ b/src/App/Services/MobileBroadcasterService.cs
@@ -0,0 +1,29 @@
+using Bit.Core.Abstractions;
+using System;
+using Xamarin.Forms;
+
+namespace Bit.App.Services
+{
+    public class MobileBroadcasterService : IBroadcasterService
+    {
+        public void Send<T>(T message, string id = null)
+        {
+            if(string.IsNullOrWhiteSpace(id))
+            {
+                throw new NotSupportedException("Cannot send a message to all subscribers.");
+            }
+            MessagingCenter.Send(Application.Current, id, message);
+        }
+
+        public void Subscribe<T>(string id, Action<T> messageCallback)
+        {
+            MessagingCenter.Subscribe<Application, T>(Application.Current, id,
+                (sender, message) => messageCallback(message));
+        }
+
+        public void Unsubscribe(string id)
+        {
+            MessagingCenter.Unsubscribe<Application, object>(Application.Current, id);
+        }
+    }
+}
diff --git a/src/Core/Abstractions/IBroadcasterService.cs b/src/Core/Abstractions/IBroadcasterService.cs
new file mode 100644
index 000000000..6a7a02b2d
--- /dev/null
+++ b/src/Core/Abstractions/IBroadcasterService.cs
@@ -0,0 +1,11 @@
+using System;
+
+namespace Bit.Core.Abstractions
+{
+    public interface IBroadcasterService
+    {
+        void Send<T>(T message, string id = null);
+        void Subscribe<T>(string id, Action<T> messageCallback);
+        void Unsubscribe(string id);
+    }
+}
\ No newline at end of file