--- old/src/java.desktop/share/classes/sun/awt/AWTAccessor.java	2017-08-15 15:41:15.000000000 +0100
+++ new/src/java.desktop/share/classes/sun/awt/AWTAccessor.java	2017-08-15 15:41:15.000000000 +0100
@@ -38,6 +38,7 @@
 import java.awt.event.InputEvent;
 import java.awt.event.InvocationEvent;
 import java.awt.event.KeyEvent;
+import java.awt.event.MouseEvent;
 import java.awt.geom.Point2D;
 import java.awt.image.BufferStrategy;
 import java.awt.peer.ComponentPeer;
@@ -412,6 +413,21 @@
                 boolean canAccessSystemClipboard);
     }
 
+    /**
+     * An accessor for the MouseEvent class.
+     */
+    public interface MouseEventAccessor {
+        /**
+         * Indicates whether the event is a result of a touch event.
+         */
+        boolean isCausedByTouchEvent(MouseEvent ev);
+
+        /**
+         * Sets whether the event is a result of a touch event.
+         */
+        void setCausedByTouchEvent(MouseEvent ev, boolean causedByTouchEvent);
+    }
+
     /*
      * An accessor for the java.awt.Frame class.
      */
@@ -851,6 +867,7 @@
     private static WindowAccessor windowAccessor;
     private static AWTEventAccessor awtEventAccessor;
     private static InputEventAccessor inputEventAccessor;
+    private static MouseEventAccessor mouseEventAccessor;
     private static FrameAccessor frameAccessor;
     private static KeyboardFocusManagerAccessor kfmAccessor;
     private static MenuComponentAccessor menuComponentAccessor;
@@ -965,6 +982,23 @@
     }
 
     /*
+     * Set an accessor object for the java.awt.event.MouseEvent class.
+     */
+    public static void setMouseEventAccessor(MouseEventAccessor mea) {
+        mouseEventAccessor = mea;
+    }
+
+    /*
+     * Retrieve the accessor object for the java.awt.event.MouseEvent class.
+     */
+    public static MouseEventAccessor getMouseEventAccessor() {
+        if (mouseEventAccessor == null) {
+            unsafe.ensureClassInitialized(MouseEvent.class);
+        }
+        return mouseEventAccessor;
+    }
+
+    /*
      * Set an accessor object for the java.awt.Frame class.
      */
     public static void setFrameAccessor(FrameAccessor fa) {