Extract wxFDIOEventLoopSourceHandler in its own header.

No real changes, this is just in preparation for the further refactoring.

See #10258.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74340 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/unix/evtloopunix.cpp

@@ -36,6 +36,7 @@
 #include "wx/unix/private/epolldispatcher.h"
 #include "wx/unix/private/wakeuppipe.h"
 #include "wx/private/selectdispatcher.h"
+#include "wx/private/fdioeventloopsourcehandler.h"
 
 #if wxUSE_EVENTLOOP_SOURCE
     #include "wx/evtloopsrc.h"
@@ -86,33 +87,6 @@ wxConsoleEventLoop::~wxConsoleEventLoop()
 
 #if wxUSE_EVENTLOOP_SOURCE
 
-// This class is a temporary bridge between event loop sources and
-// FDIODispatcher. It is going to be removed soon, when all subject interfaces
-// are modified
-class wxFDIOEventLoopSourceHandler : public wxFDIOHandler
-{
-public:
-    wxFDIOEventLoopSourceHandler(wxEventLoopSourceHandler* handler) :
-        m_impl(handler) { }
-
-    virtual void OnReadWaiting()
-    {
-        m_impl->OnReadWaiting();
-    }
-    virtual void OnWriteWaiting()
-    {
-        m_impl->OnWriteWaiting();
-    }
-
-    virtual void OnExceptionWaiting()
-    {
-        m_impl->OnExceptionWaiting();
-    }
-
-protected:
-    wxEventLoopSourceHandler* m_impl;
-};
-
 wxEventLoopSource *
 wxConsoleEventLoop::AddSourceForFD(int fd,
                                    wxEventLoopSourceHandler *handler,