Index: sources/gui/guiview.h
===================================================================
diff -u -rfee7fabf49befb065c89248c19e15efc9ca194e4 -rfbeafa0714f065bce0403e2e8ce68f6d8fbea6bd
--- sources/gui/guiview.h	(.../guiview.h)	(revision fee7fabf49befb065c89248c19e15efc9ca194e4)
+++ sources/gui/guiview.h	(.../guiview.h)	(revision fbeafa0714f065bce0403e2e8ce68f6d8fbea6bd)
@@ -38,13 +38,20 @@
 private slots:
     void  onActionReceive (GuiActionType vAction, const QVariantList &vData); // UI <= HD/DG
 
+    void  doUSBDriveMount ();
+    void  doUSBDriveRemove();
+
 public slots: // is public since will be used in the UI and is in the same thread.
     void  doActionTransmit(GuiActionType vAction, const QVariantList &vData); // UI => HD/DG
     void  doActionTransmit(GuiActionType vAction, const QVariant     &vData); // UI => HD/DG
+    void  doUSBDriveUmount();
 
 signals:
     void didActionReceive (GuiActionType vAction, const QVariantList &vData); // UI <= HD/DG
     void didActionTransmit(GuiActionType vAction, const QVariantList &vData); // UI => HD/DG
 
+    void didUSBDriveMount ();
+    void didUSBDriveUmount();
+    void didUSBDriveRemove();
 };
 }