- initial import

src/engine/helper/HL_Usb.h

@@ -0,0 +1,47 @@
+#ifndef __HELPER_USB_H
+#define __HELPER_USB_H
+
+#ifdef TARGET_WIN
+
+#include <winsock2.h>
+#include <windows.h>
+#include <Dbt.h>
+
+  class UsbChangeListener
+  {
+  public:
+    class Delegate
+    {
+    public:
+      virtual void onDeviceInsert(const wchar_t* name) = 0;
+      virtual void onDeviceRemove(const wchar_t* name) = 0;
+    };
+    
+    UsbChangeListener();
+    ~UsbChangeListener();
+    
+    void setDelegate(Delegate* d);
+    Delegate* getDelegate() const;
+
+    void start();
+    void stop();
+
+  protected:
+    HDEVNOTIFY                    mNotifyHandle;            /// Handle to track notifications about USB insert/removal.
+    HWND                          mHiddenWindow;            /// Hidden window to receive notifications
+    DEV_BROADCAST_DEVICEINTERFACE mNotificationFilter;      /// Notifications filter
+    wchar_t                       mWindowClassName[256];       /// Hidden window class
+    Delegate*                     mDelegate;                 /// Event handler pointer
+
+    /// Hidden window procedure.
+    /// @param hwnd Window handle
+    /// @param uMsg Message ID
+    /// @param wParam First param
+    /// @param lParam Second param
+    static LRESULT CALLBACK ADRWindowProc( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
+  };
+
+
+#endif
+
+#endif