1 files changed, 74 insertions, 0 deletions
diff --git a/Software/Visual_Studio/Tango.Integration/Storage/StorageFileHandler.cs b/Software/Visual_Studio/Tango.Integration/Storage/StorageFileHandler.cs
new file mode 100644
index 000000000..72a4b2c87
--- /dev/null
+++ b/Software/Visual_Studio/Tango.Integration/Storage/StorageFileHandler.cs
@@ -0,0 +1,74 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Tango.Core;
+
+namespace Tango.Integration.Storage
+{
+    public class StorageFileHandler : ExtendedObject
+    {
+        private Action _cancelAction;
+
+        public event EventHandler<StorageFileHandlerProgressEventArgs> Progress;
+        public event EventHandler Completed;
+        public event EventHandler Canceled;
+        public event EventHandler<Exception> Failed;
+
+        internal StorageFileHandler()
+        {
+
+        }
+
+        internal StorageFileHandler(Action cancelAction)
+        {
+            _cancelAction = cancelAction;
+        }
+
+        private long _current;
+        public long Current
+        {
+            get { return _current; }
+            internal set
+            {
+                _current = value; RaisePropertyChangedAuto();
+                Progress?.Invoke(this, new StorageFileHandlerProgressEventArgs()
+                {
+                    Current = _current,
+                    Total = _total,
+                });
+            }
+        }
+
+        private long _total;
+        public long Total
+        {
+            get { return _total; }
+            internal set { _total = value; RaisePropertyChangedAuto(); }
+        }
+
+        public Task Cancel()
+        {
+            return Task.Factory.StartNew(() =>
+            {
+                _cancelAction.Invoke();
+            }); 
+        }
+
+        internal void RaiseCompleted()
+        {
+            Completed?.Invoke(this, new EventArgs());
+        }
+
+        internal void RaiseCanceled()
+        {
+            Canceled?.Invoke(this, new EventArgs());
+        }
+
+        internal void RaiseFailed(Exception ex)
+        {
+            Failed?.Invoke(this, ex);
+        }
+    }
+}