1 files changed, 41 insertions, 0 deletions
diff --git a/Software/Visual_Studio/PPC/Tango.PPC.UI/ViewModels/MainViewVM.cs b/Software/Visual_Studio/PPC/Tango.PPC.UI/ViewModels/MainViewVM.cs
index 9dc4684c2..9a302a6ff 100644
--- a/Software/Visual_Studio/PPC/Tango.PPC.UI/ViewModels/MainViewVM.cs
+++ b/Software/Visual_Studio/PPC/Tango.PPC.UI/ViewModels/MainViewVM.cs
@@ -23,6 +23,8 @@ using Tango.SharedUI;
 using System.Data.Entity;
 using Tango.PPC.UI.AppBarItems;
 using Tango.PPC.Common.Notifications.NotificationItems;
+using Tango.Core.Commands;
+using System.Timers;
 
 namespace Tango.PPC.UI.ViewModels
 {
@@ -38,6 +40,7 @@ namespace Tango.PPC.UI.ViewModels
         private PowerUpAppBarItem _powerUpAppBar;
         private bool _started;
         private MessageNotificationItem _headTypeNotification;
+        private Timer _screenSaverTimer;
 
         private DateTime _currentDateTime;
         /// <summary>
@@ -49,6 +52,15 @@ namespace Tango.PPC.UI.ViewModels
             set { _currentDateTime = value; RaisePropertyChangedAuto(); }
         }
 
+        private bool _isScreenSaverOn;
+        public bool IsScreenSaverOn
+        {
+            get { return _isScreenSaverOn; }
+            set { _isScreenSaverOn = value; RaisePropertyChangedAuto(); }
+        }
+
+        public RelayCommand ScreenSaverExitCommand { get; set; }
+
         public MainViewVM()
         {
             _date_timer = new DispatcherTimer();
@@ -61,6 +73,8 @@ namespace Tango.PPC.UI.ViewModels
             _headTypeNotification.MessageType = MessageNotificationItem.MessageNotificationItemTypes.Error;
             _headTypeNotification.Priority = NotificationItem.NotificationPriority.Critical;
             _headTypeNotification.Message = "Machine head type mismatch.";
+
+            ScreenSaverExitCommand = new RelayCommand(ResetScreenSaverTimer);
         }
 
         /// <summary>
@@ -84,6 +98,10 @@ namespace Tango.PPC.UI.ViewModels
             MachineProvider.MachineOperator.PowerUpEnded += MachineOperator_PowerUpEnded;
 
             MachineProvider.MachineConnected += MachineProvider_MachineConnected;
+
+            _screenSaverTimer = new Timer(TimeSpan.FromMinutes(Settings.ScreenSaverStartDuration).TotalMilliseconds);
+            _screenSaverTimer.Elapsed += _screenSaverTimer_Elapsed;
+            _screenSaverTimer.Start();
         }
 
         #region Power Up
@@ -262,6 +280,8 @@ namespace Tango.PPC.UI.ViewModels
 
         private void MachineProvider_MachineConnected(object sender, EventArgs e)
         {
+            ResetScreenSaverTimer();
+
             NotificationProvider.PopNotification(_headTypeNotification);
 
             if (MachineProvider.MachineOperator.DeviceInformation != null && !MachineProvider.Machine.IsDemo)
@@ -275,5 +295,26 @@ namespace Tango.PPC.UI.ViewModels
         }
 
         #endregion
+
+        #region Screen Saver
+
+        public void ResetScreenSaverTimer()
+        {
+            _screenSaverTimer.Stop();
+            _screenSaverTimer.Start();
+            IsScreenSaverOn = false;
+        }
+
+        private void _screenSaverTimer_Elapsed(object sender, ElapsedEventArgs e)
+        {
+            _screenSaverTimer.Interval = TimeSpan.FromMinutes(Settings.ScreenSaverStartDuration).TotalMilliseconds;
+
+            if (Settings.EnableScreenSaver && !MachineProvider.IsConnected)
+            {
+                IsScreenSaverOn = true;
+            }
+        }
+        
+        #endregion
     }
 }