Index: sources/gui/guicontroller.h
===================================================================
diff -u -r9a3ee027dbc33f39ee7df2a9dc5a7897c6b1854d -rb9c5b0b3afc3b34d4980ecc4f023f498f80dafbc
--- sources/gui/guicontroller.h	(.../guicontroller.h)	(revision 9a3ee027dbc33f39ee7df2a9dc5a7897c6b1854d)
+++ sources/gui/guicontroller.h	(.../guicontroller.h)	(revision b9c5b0b3afc3b34d4980ecc4f023f498f80dafbc)
@@ -1,6 +1,6 @@
 /*!
  *
- * Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
+ * Copyright (c) 2019-2019 Diality Inc. - All Rights Reserved.
  * \copyright                                                       \n
  *          THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM,  \n
  *          IN PART OR IN WHOLE,                                    \n
@@ -18,7 +18,7 @@
 
 // Project
 #include "main.h"
-#include "guiactions.h"
+#include "guiglobals.h"
 
 // define
 #define _GuiController GuiController::I()
@@ -30,27 +30,52 @@
 {
     Q_OBJECT
 
-SINGLETON_DECL(GuiController)
-public:
-    void init();
+    QThread *_thread = nullptr;
+    bool     _init   = false;
 
+// singleton
+SINGLETON(GuiController)
+
+public slots:
+    bool init();
+    bool init(QThread &vThread);
+
+private slots:
+    void quit();
+
 private:
-    void connection();
+    void initConnections();
 
+    void initThread(QThread &vThread);
+    void quitThread();
+
+    bool    handleTransmit(GuiActionType vAction, const QVariantList &vData);
+
 public slots:
-    void doActionRequest (GuiActionType vAction);                      // UI => HD/DG
-    void doActionPerform (GuiActionType vAction, GuiActionInfo vInfo); // UI => HD/DG
+    void  doActionTransmit(GuiActionType vAction, const QVariantList &vData); // UI => HD/DG
 
+    void  doUSBDriveUmount();                                                 // UI => OS
+    void  doExportLog     ();                                                 // UI => OS
+
+
 private slots: // Should be private for thread safety and is connected internally.
-    void onActionConfirm (GuiActionType vAction, GuiActionInfo vInfo); // UI <= HD/DG
-    void onActionCommand (GuiActionType vAction);                      // UI <= HD/DG
+    void  onActionReceive (GuiActionType vAction, const QVariantList &vData); // UI <= HD/DG
 
+    void  onUSBDriveMount ();                                                 // OS => UI
+    void  onUSBDriveRemove();                                                 // OS => UI
+
+    void  onExport        ();                                                 // OS => UI
+
 signals:
-    void didActionRequest(GuiActionType vAction                     ); // UI => HD/DG
-    void didActionConfirm(GuiActionType vAction, GuiActionInfo vInfo); // UI <= HD/DG
+    void didActionReceive (GuiActionType vAction, const QVariantList &vData); // UI <= HD/DG
+    void didActionTransmit(GuiActionType vAction, const QVariantList &vData); // UI => HD/DG
 
-    void didActionCommand(GuiActionType vAction                     ); // UI <= HD/DG
-    void didActionPerform(GuiActionType vAction, GuiActionInfo vInfo); // UI => HD/DG
+    void didUSBDriveMount ();
+    void didUSBDriveUmount();
+    void didUSBDriveRemove();
+
+    void didExportLog();
+    void didExport   ();
 };
 
 }