push notification services

src/iOS/Services/iOSPushNotificationService.cs

@@ -0,0 +1,36 @@
+using System.Threading.Tasks;
+using Bit.App.Abstractions;
+using Foundation;
+using UIKit;
+
+namespace Bit.iOS.Services
+{
+    public class iOSPushNotificationService : IPushNotificationService
+    {
+        private const string TokenSetting = "token";
+
+        public Task<string> GetTokenAsync()
+        {
+            return Task.FromResult(NSUserDefaults.StandardUserDefaults.StringForKey(TokenSetting));
+        }
+
+        public Task RegisterAsync()
+        {
+            var userNotificationTypes = UIUserNotificationType.Alert | UIUserNotificationType.Badge |
+                UIUserNotificationType.Sound;
+            var settings = UIUserNotificationSettings.GetSettingsForTypes(userNotificationTypes, null);
+            UIApplication.SharedApplication.RegisterUserNotificationSettings(settings);
+            return Task.FromResult(0);
+        }
+
+        public Task UnregisterAsync()
+        {
+            UIApplication.SharedApplication.UnregisterForRemoteNotifications();
+            // TODO: unregister call
+            // _pushNotificationListener.OnUnregistered(Device.iOS);
+            NSUserDefaults.StandardUserDefaults.SetString(string.Empty, TokenSetting);
+            NSUserDefaults.StandardUserDefaults.Synchronize();
+            return Task.FromResult(0);
+        }
+    }
+}