Add OS X implementation of wxAppProgressIndicator.

Closes #16638.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78499 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/osx/appprogress.h

@@ -0,0 +1,36 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/osx/appprogress.h
+// Purpose:     wxAppProgressIndicator OS X implementation
+// Author:      Tobias Taschner
+// Created:     2014-10-22
+// Copyright:   (c) 2014 wxWidgets development team
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_OSX_APPPROG_H_
+#define _WX_OSX_APPPROG_H_
+
+#include "wx/window.h"
+
+class WXDLLIMPEXP_CORE wxAppProgressIndicator
+    : public wxAppProgressIndicatorBase
+{
+public:
+    wxAppProgressIndicator(wxWindow* parent = NULL, int maxValue = 100);
+    virtual ~wxAppProgressIndicator();
+
+    virtual bool IsAvailable() const wxOVERRIDE;
+
+    virtual void SetValue(int value) wxOVERRIDE;
+    virtual void SetRange(int range) wxOVERRIDE;
+    virtual void Pulse() wxOVERRIDE;
+    virtual void Reset() wxOVERRIDE;
+
+private:
+    int m_maxValue;
+    void *m_dockIcon;
+
+    wxDECLARE_NO_COPY_CLASS(wxAppProgressIndicator);
+};
+
+#endif  // _WX_OSX_APPPROG_H_