#ifdef HAVE_CONFIG_H
# include "elementary_config.h"
#endif

#include <Elementary.h>
#include "elm_priv.h"

#define MY_CLASS EFL_UI_FOCUS_MANAGER_ROOT_FOCUS_CLASS

typedef struct {
   Efl_Ui_Focus_Object *root;
   Eina_List *none_logicals;

   Evas_Object *rect;
   Eina_Bool rect_registered;

   Eina_List *iterator_list;
} Efl_Ui_Focus_Manager_Root_Focus_Data;

static Efl_Ui_Focus_Object*
_trap(Efl_Ui_Focus_Manager_Root_Focus_Data *pd, Efl_Ui_Focus_Object *obj)
{
   if (pd->rect == obj) return pd->root;
   return obj;
}

static void
_state_eval(Eo *obj, Efl_Ui_Focus_Manager_Root_Focus_Data *pd)
{
   if (!pd->none_logicals && pd->rect_registered)
     {
         efl_ui_focus_manager_calc_unregister(obj, pd->rect);
         pd->rect_registered = EINA_FALSE;
     }
   else if (pd->none_logicals && !pd->rect_registered)
     {
         efl_ui_focus_manager_calc_register(obj, pd->rect, pd->root, NULL);
         pd->rect_registered = EINA_TRUE;
     }
}

EOLIAN static Eina_Bool
_efl_ui_focus_manager_root_focus_efl_ui_focus_manager_calc_register(Eo *obj, Efl_Ui_Focus_Manager_Root_Focus_Data *pd, Efl_Ui_Focus_Object *child, Efl_Ui_Focus_Object *parent, Efl_Ui_Focus_Manager *redirect)
{
   if (efl_ui_focus_manager_calc_register(efl_super(obj, MY_CLASS), child, parent, redirect))
     {
        pd->none_logicals = eina_list_append(pd->none_logicals, child);
        return EINA_TRUE;
     }
   if (child != pd->rect)
     _state_eval(obj, pd);
   return EINA_FALSE;
}

EOLIAN static void
_efl_ui_focus_manager_root_focus_efl_ui_focus_manager_calc_unregister(Eo *obj, Efl_Ui_Focus_Manager_Root_Focus_Data *pd, Efl_Ui_Focus_Object *child)
{
   efl_ui_focus_manager_calc_unregister(efl_super(obj, MY_CLASS), child);

   pd->none_logicals = eina_list_remove(pd->none_logicals, child);

   if (child != pd->rect)
     _state_eval(obj, pd);
}


EOLIAN static void
_efl_ui_focus_manager_root_focus_efl_ui_focus_manager_focus_set(Eo *obj, Efl_Ui_Focus_Manager_Root_Focus_Data *pd, Efl_Ui_Focus_Object *focus)
{
   efl_ui_focus_manager_focus_set(efl_super(obj, MY_CLASS), _trap(pd, focus));
}


EOLIAN static Efl_Ui_Focus_Object*
_efl_ui_focus_manager_root_focus_efl_ui_focus_manager_focus_get(Eo *obj, Efl_Ui_Focus_Manager_Root_Focus_Data *pd)
{
   return _trap(pd, efl_ui_focus_manager_focus_get(efl_super(obj, MY_CLASS)));
}


EOLIAN static Efl_Ui_Focus_Relations *
_efl_ui_focus_manager_root_focus_efl_ui_focus_manager_fetch(Eo *obj, Efl_Ui_Focus_Manager_Root_Focus_Data *pd, Efl_Ui_Focus_Object *child)
{
   return efl_ui_focus_manager_fetch(efl_super(obj, MY_CLASS), _trap(pd, child));
}


EOLIAN static Efl_Ui_Focus_Manager_Logical_End_Detail
_efl_ui_focus_manager_root_focus_efl_ui_focus_manager_logical_end(Eo *obj, Efl_Ui_Focus_Manager_Root_Focus_Data *pd)
{
   Efl_Ui_Focus_Manager_Logical_End_Detail res;

   res = efl_ui_focus_manager_logical_end(efl_super(obj, MY_CLASS));

   res.element = _trap(pd, res.element);
   return res;
}

EOLIAN static Eina_Iterator *
_efl_ui_focus_manager_root_focus_efl_ui_focus_manager_border_elements_get(Eo *obj, Efl_Ui_Focus_Manager_Root_Focus_Data *pd)
{
   if (!!pd->none_logicals)
     {
        return efl_ui_focus_manager_border_elements_get(efl_super(obj, MY_CLASS));;
     }
   else
     {
        return eina_list_iterator_new(pd->iterator_list);
     }
}


EOLIAN static Efl_Ui_Focus_Object*
_efl_ui_focus_manager_root_focus_efl_ui_focus_manager_request_move(Eo *obj, Efl_Ui_Focus_Manager_Root_Focus_Data *pd, Efl_Ui_Focus_Direction direction)
{
   return _trap(pd, efl_ui_focus_manager_request_move(efl_super(obj, MY_CLASS), direction));
}


EOLIAN static Efl_Ui_Focus_Object*
_efl_ui_focus_manager_root_focus_efl_ui_focus_manager_move(Eo *obj, Efl_Ui_Focus_Manager_Root_Focus_Data *pd, Efl_Ui_Focus_Direction direction)
{
   return _trap(pd, efl_ui_focus_manager_move(efl_super(obj, MY_CLASS), direction));
}

EOLIAN static Efl_Object*
_efl_ui_focus_manager_root_focus_efl_object_finalize(Eo *obj, Efl_Ui_Focus_Manager_Root_Focus_Data *pd)
{
   Efl_Object *ret;

   ret = efl_finalize(efl_super(obj, MY_CLASS));

   pd->root = efl_ui_focus_manager_root_get(obj);
   pd->rect = evas_object_rectangle_add(evas_object_evas_get(pd->root));
   pd->iterator_list = eina_list_append(pd->iterator_list, pd->root);

   _state_eval(obj, pd);

   return ret;
}


#include "efl_ui_focus_manager_root_focus.eo.c"