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

#include <Elementary.h>

#include "elm_priv.h"
#include "elm_widget_table.h"

#define ELM_INTERFACE_ATSPI_ACCESSIBLE_PROTECTED
#include "elm_interface_atspi_accessible.h"
#include "elm_interface_atspi_accessible.eo.h"

#define MY_CLASS ELM_TABLE_CLASS

#define MY_CLASS_NAME "Elm_Table"
#define MY_CLASS_NAME_LEGACY "elm_table"

EOLIAN static Eina_Bool
_elm_table_elm_widget_focus_next_manager_is(Eo *obj EINA_UNUSED, void *_pd EINA_UNUSED)
{
   return EINA_TRUE;
}

EOLIAN static Eina_Bool
_elm_table_elm_widget_focus_next(Eo *obj, void *_pd EINA_UNUSED, Elm_Focus_Direction dir, Evas_Object **next)
{
   Eina_Bool int_ret;

   const Eina_List *items;
   Eina_List *(*list_free)(Eina_List *list);
   void *(*list_data_get)(const Eina_List *list);

   ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, EINA_FALSE);

   /* Focus chain */
   /* TODO: Change this to use other chain */
   if ((items = elm_widget_focus_custom_chain_get(obj)))
     {
        list_data_get = eina_list_data_get;
        list_free = NULL;
     }
   else
     {
        items = evas_object_table_children_get
            (wd->resize_obj);
        list_data_get = eina_list_data_get;
        list_free = eina_list_free;

        if (!items) return EINA_FALSE;
     }

   int_ret = elm_widget_focus_list_next_get(obj, items, list_data_get, dir, next);

   if (list_free) list_free((Eina_List *)items);

   return int_ret;
}

EOLIAN static Eina_Bool
_elm_table_elm_widget_focus_direction_manager_is(Eo *obj EINA_UNUSED, void *_pd EINA_UNUSED)
{
   return EINA_TRUE;
}

EOLIAN static Eina_Bool
_elm_table_elm_widget_focus_direction(Eo *obj, void *_pd EINA_UNUSED, const Evas_Object *base, double degree, Evas_Object **direction, double *weight)
{
   Eina_Bool int_ret;

   const Eina_List *items;
   Eina_List *(*list_free)(Eina_List *list);
   void *(*list_data_get)(const Eina_List *list);

   ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, EINA_FALSE);

   /* Focus chain */
   /* TODO: Change this to use other chain */
   if ((items = elm_widget_focus_custom_chain_get(obj)))
     {
        list_data_get = eina_list_data_get;
        list_free = NULL;
     }
   else
     {
        items = evas_object_table_children_get
            (wd->resize_obj);
        list_data_get = eina_list_data_get;
        list_free = eina_list_free;

        if (!items) return EINA_FALSE;
     }

   int_ret = elm_widget_focus_list_direction_get
       (obj, base, items, list_data_get, degree, direction, weight);

   if (list_free)
     list_free((Eina_List *)items);

   return int_ret;
}

static void
_mirrored_set(Evas_Object *obj, Eina_Bool rtl)
{
   ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);

   evas_object_table_mirrored_set(wd->resize_obj, rtl);
}

EOLIAN static Eina_Bool
_elm_table_elm_widget_theme_apply(Eo *obj, void *sd EINA_UNUSED)
{
   Eina_Bool super_ret = EINA_FALSE;
   eo_do_super(obj, MY_CLASS, super_ret = elm_obj_widget_theme_apply());
   if (super_ret == EINA_FALSE)
      return EINA_FALSE;

   _mirrored_set(obj, elm_widget_mirrored_get(obj));

   return EINA_TRUE;
}

static void
_sizing_eval(Evas_Object *obj)
{
   Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
   Evas_Coord w, h;

   ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);

   evas_object_size_hint_min_get
     (wd->resize_obj, &minw, &minh);
   evas_object_size_hint_max_get
     (wd->resize_obj, &maxw, &maxh);
   evas_object_size_hint_min_set(obj, minw, minh);
   evas_object_size_hint_max_set(obj, maxw, maxh);
   evas_object_geometry_get(obj, NULL, NULL, &w, &h);
   if (w < minw) w = minw;
   if (h < minh) h = minh;
   if ((maxw >= 0) && (w > maxw)) w = maxw;
   if ((maxh >= 0) && (h > maxh)) h = maxh;
   evas_object_resize(obj, w, h);
}

static void
_on_size_hints_changed(void *data,
                       Evas *e EINA_UNUSED,
                       Evas_Object *obj EINA_UNUSED,
                       void *event_info EINA_UNUSED)
{
   _sizing_eval(data);
}

EOLIAN static Eina_Bool
_elm_table_elm_widget_sub_object_del(Eo *obj, void *_pd EINA_UNUSED, Evas_Object *child)
{
   Eina_Bool int_ret = EINA_FALSE;

   eo_do_super(obj, MY_CLASS, int_ret = elm_obj_widget_sub_object_del(child));
   if (!int_ret) return EINA_FALSE;

   _sizing_eval(obj);

   return EINA_TRUE;
}

EOLIAN static void
_elm_table_evas_object_smart_add(Eo *obj, void *_pd EINA_UNUSED)
{
   Evas_Object *table;

   elm_widget_sub_object_parent_add(obj);

   table = evas_object_table_add(evas_object_evas_get(obj));
   elm_widget_resize_object_set(obj, table, EINA_TRUE);

   evas_object_event_callback_add
     (table, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _on_size_hints_changed, obj);

   eo_do_super(obj, MY_CLASS, evas_obj_smart_add());

   elm_widget_can_focus_set(obj, EINA_FALSE);
   elm_widget_highlight_ignore_set(obj, EINA_FALSE);

   eo_do(obj, elm_obj_widget_theme_apply());
}

EOLIAN static void
_elm_table_evas_object_smart_del(Eo *obj, void *_pd EINA_UNUSED)
{
   Eina_List *l;
   Evas_Object *child;

   ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);

   evas_object_event_callback_del_full
     (wd->resize_obj, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
     _on_size_hints_changed, obj);

   /* let's make our table object the *last* to be processed, since it
    * may (smart) parent other sub objects here */
   EINA_LIST_FOREACH(wd->subobjs, l, child)
     {
        if (child == wd->resize_obj)
          {
             wd->subobjs =
               eina_list_demote_list(wd->subobjs, l);
             break;
          }
     }

   eo_do_super(obj, MY_CLASS, evas_obj_smart_del());
}

EAPI Evas_Object *
elm_table_add(Evas_Object *parent)
{
   EINA_SAFETY_ON_NULL_RETURN_VAL(parent, NULL);
   Evas_Object *obj = eo_add(MY_CLASS, parent);
   eo_unref(obj);
   return obj;
}

EOLIAN static void
_elm_table_eo_base_constructor(Eo *obj, void *_pd EINA_UNUSED)
{
   eo_do_super(obj, MY_CLASS, eo_constructor());
   eo_do(obj,
         evas_obj_type_set(MY_CLASS_NAME_LEGACY),
         elm_interface_atspi_accessible_role_set(ELM_ATSPI_ROLE_FILLER));
}

EOLIAN static void
_elm_table_homogeneous_set(Eo *obj, void *_pd EINA_UNUSED, Eina_Bool homogeneous)
{
   ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);

   evas_object_table_homogeneous_set
     (wd->resize_obj, homogeneous);
}

EOLIAN static Eina_Bool
_elm_table_homogeneous_get(Eo *obj, void *_pd EINA_UNUSED)
{
   ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, EINA_FALSE);
   return evas_object_table_homogeneous_get(wd->resize_obj);
}

EOLIAN static void
_elm_table_padding_set(Eo *obj, void *_pd EINA_UNUSED, Evas_Coord horizontal, Evas_Coord vertical)
{
   ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);

   evas_object_table_padding_set
     (wd->resize_obj, horizontal, vertical);
}

EOLIAN static void
_elm_table_padding_get(Eo *obj, void *_pd EINA_UNUSED, Evas_Coord *horizontal, Evas_Coord *vertical)
{
   ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);

   evas_object_table_padding_get
     (wd->resize_obj, horizontal, vertical);
}

EOLIAN static void
_elm_table_pack(Eo *obj, void *_pd EINA_UNUSED, Evas_Object *subobj, int col, int row, int colspan, int rowspan)
{
   ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);

   if (col < 0)
     {
        ERR("col < 0");
        return;
     }
   if (colspan < 1)
     {
        ERR("colspan < 1");
        return;
     }
   if ((0xffff - col) < colspan)
     {
        ERR("col + colspan > 0xffff");
        return;
     }
   if ((col + colspan) >= 0x7ffff)
     {
        WRN("col + colspan getting rather large (>32767)");
     }
   if (row < 0)
     {
        ERR("row < 0");
        return;
     }
   if (rowspan < 1)
     {
        ERR("rowspan < 1");
        return;
     }
   if ((0xffff - row) < rowspan)
     {
        ERR("row + rowspan > 0xffff");
        return;
     }
   if ((row + rowspan) >= 0x7ffff)
     {
        WRN("row + rowspan getting rather large (>32767)");
     }

   elm_widget_sub_object_add(obj, subobj);
   evas_object_table_pack(wd->resize_obj, subobj, col, row, colspan, rowspan);
}

EOLIAN static void
_elm_table_unpack(Eo *obj, void *_pd EINA_UNUSED, Evas_Object *subobj)
{
   ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);

   elm_widget_sub_object_del(obj, subobj);
   evas_object_table_unpack(wd->resize_obj, subobj);
}

EAPI void
elm_table_pack_set(Evas_Object *subobj,
                   int col,
                   int row,
                   int colspan,
                   int rowspan)
{
   Evas_Object *obj = elm_widget_parent_widget_get(subobj);

   ELM_TABLE_CHECK(obj);
   eo_do(obj, elm_obj_table_pack_set(subobj, col, row, colspan, rowspan));
}

EOLIAN static void
_elm_table_pack_set(Eo *obj, void *_pd EINA_UNUSED, Evas_Object *subobj, int col, int row, int colspan, int rowspan)
{
   ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);

   evas_object_table_pack(wd->resize_obj, subobj, col, row, colspan, rowspan);
}

EAPI void
elm_table_pack_get(Evas_Object *subobj,
                   int *col,
                   int *row,
                   int *colspan,
                   int *rowspan)
{
   Evas_Object *obj = elm_widget_parent_widget_get(subobj);
   ELM_TABLE_CHECK(obj);
   eo_do(obj, elm_obj_table_pack_get(subobj, col, row, colspan, rowspan));
}

EOLIAN static void
_elm_table_pack_get(Eo *obj, void *_pd EINA_UNUSED, Evas_Object *subobj, int *col, int *row, int *colspan, int *rowspan)
{
   unsigned short icol, irow, icolspan, irowspan;
   ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);

   evas_object_table_pack_get
     (wd->resize_obj, subobj, &icol, &irow, &icolspan, &irowspan);
   if (col) *col = icol;
   if (row) *row = irow;
   if (colspan) *colspan = icolspan;
   if (rowspan) *rowspan = irowspan;
}

EOLIAN static void
_elm_table_clear(Eo *obj, void *_pd EINA_UNUSED, Eina_Bool clear)
{
   ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);

   evas_object_table_clear(wd->resize_obj, clear);
}

EOLIAN static Evas_Object*
_elm_table_child_get(Eo *obj, void *_pd EINA_UNUSED, int col, int row)
{
   ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, NULL);

   return evas_object_table_child_get(wd->resize_obj, col, row);
}

EOLIAN static void
_elm_table_class_constructor(Eo_Class *klass)
{
   evas_smart_legacy_type_register(MY_CLASS_NAME_LEGACY, klass);
}

#include "elm_table.eo.c"