preparation for allowing to use wxTimer in wxBase (heavily modified patch 1113088):

1. Changed wxTimer to use wxTimerImpl
2. Added Unix-specific generic timer implementation
3. Added wxAppTraits::CreateTimerImpl()


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@45544 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/mac/carbon/private/timer.h

@@ -0,0 +1,34 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/mac/carbon/private/timer.h
+// Purpose:     wxTimer class
+// Author:      Stefan Csomor
+// Created:     1998-01-01
+// RCS-ID:      $Id$
+// Copyright:   (c) Stefan Csomor
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_MAC_PRIVATE_TIMER_H_
+#define _WX_MAC_PRIVATE_TIMER_H_
+
+#include "wx/mac/macnotfy.h"
+#include "wx/private/timer.h"
+
+struct MacTimerInfo;
+
+class WXDLLEXPORT wxCarbonTimerImpl : public wxTimerImpl
+{
+public:
+    wxCarbonTimerImpl(wxTimer *timer);
+    virtual ~wxCarbonTimerImpl();
+
+    virtual bool Start(int milliseconds = -1, bool one_shot = false);
+    virtual void Stop();
+
+    virtual bool IsRunning() const;
+
+private:
+    MacTimerInfo *m_info;
+};
+
+#endif // _WX_MAC_PRIVATE_TIMER_H_