1 files changed, 27 insertions, 0 deletions
diff --git a/src/Editor/Text/Util/TextUICocoaUtil/IDragDropMouseProcessor.cs b/src/Editor/Text/Util/TextUICocoaUtil/IDragDropMouseProcessor.cs
new file mode 100644
index 0000000..185f0a8
--- /dev/null
+++ b/src/Editor/Text/Util/TextUICocoaUtil/IDragDropMouseProcessor.cs
@@ -0,0 +1,27 @@
+//
+//  Copyright (c) Microsoft Corporation. All rights reserved.
+//  Licensed under the MIT License. See License.txt in the project root for license information.
+//
+namespace Microsoft.VisualStudio.Text.Utilities
+{
+    using System.Windows;
+    using System.Windows.Input;
+
+    /// <summary>
+    /// This interface is a used as an abstraction of the DragDropMouseProcessor so that it can be called from the left margin
+    /// to handle drag/drop.
+    /// </summary>
+    public interface IDragDropMouseProcessor
+    {
+        void DoPreprocessMouseLeftButtonDown(MouseButtonEventArgs e, Point position);
+        void DoPreprocessMouseLeftButtonUp(MouseButtonEventArgs e, Point position);
+        void DoPostprocessMouseLeftButtonUp(MouseButtonEventArgs e, Point position);
+        void DoPreprocessMouseMove(MouseEventArgs e, Point position);
+        void DoPreprocessDrop(DragEventArgs e, Point position);
+        void DoPreprocessDragEnter(DragEventArgs e, Point position);
+        void DoPreprocessDragLeave(DragEventArgs e);
+        void DoPreprocessDragOver(DragEventArgs e, Point position);
+        void DoPreprocessQueryContinueDrag(QueryContinueDragEventArgs e);
+        void DoPostprocessMouseLeave(MouseEventArgs e);
+    }
+}
+\ No newline at end of file