Index: sources/applicationcontroller.h
===================================================================
diff -u -r4b9619614f0a9deb0438a803c057918b94aacbec -rfbeafa0714f065bce0403e2e8ce68f6d8fbea6bd
--- sources/applicationcontroller.h	(.../applicationcontroller.h)	(revision 4b9619614f0a9deb0438a803c057918b94aacbec)
+++ sources/applicationcontroller.h	(.../applicationcontroller.h)	(revision fbeafa0714f065bce0403e2e8ce68f6d8fbea6bd)
@@ -37,7 +37,6 @@
 {
     Q_OBJECT
 
-    FileHandler     *_fileHandler       = nullptr;
     ApplicationPost *_applicationPost   = nullptr;
 
 SINGLETON_DECL(ApplicationController)
@@ -54,10 +53,17 @@
 
     void  onMainTimerTimeout();
 
+    void onUSBDriveMount ();
+    void onUSBDriveUmount();
+    void onUSBDriveRemove();
+
 signals:
     void didActionReceive (GuiActionType vAction, const QVariantList &vData); // UI <= HD/DG
     void didActionTransmit(GuiActionType vAction, const QVariantList &vData); // UI => HD/DG
 
+    void didUSBDriveMount ();
+    void didUSBDriveRemove();
+
     void quit(int retcode=0);
 
 };