#include <assert.h>
#include "private.h"

typedef struct _Elm_Params_Thumb
{
   Elm_Params base;
   const char *animate;
} Elm_Params_Thumb;

static const char* choices[] = { "loop", "start", "stop", NULL };

static Elm_Thumb_Animation_Setting
_anim_setting_get(const char *anim_str)
{
   unsigned int i;

   assert(sizeof(choices)/sizeof(choices[0]) == ELM_THUMB_ANIMATION_LAST + 1);

   for (i = 0; i < ELM_THUMB_ANIMATION_LAST; i++)
     {
        if (!strcmp(anim_str, choices[i]))
          return i;
     }
   return ELM_THUMB_ANIMATION_LAST;
}

static void
external_thumb_state_set(void *data EINA_UNUSED, Evas_Object *obj,
                         const void *from_params, const void *to_params,
                         float pos EINA_UNUSED)
{
   const Elm_Params_Thumb *p;

   if (to_params) p = to_params;
   else if (from_params) p = from_params;
   else return;

   if (p->animate)
     {
        Elm_Thumb_Animation_Setting set = _anim_setting_get(p->animate);
        if (set != ELM_THUMB_ANIMATION_LAST)
          elm_thumb_animate_set(obj, set);
     }
}

static Eina_Bool
external_thumb_param_set(void *data EINA_UNUSED, Evas_Object *obj,
                         const Edje_External_Param *param)
{
   if (!strcmp(param->name, "animate"))
     {
        if (param->type == EDJE_EXTERNAL_PARAM_TYPE_CHOICE)
          {
             Elm_Thumb_Animation_Setting set = _anim_setting_get(param->s);
             if (set == ELM_THUMB_ANIMATION_LAST) return EINA_FALSE;
             elm_thumb_animate_set(obj, set);
             return EINA_TRUE;
          }
     }

   ERR("unknown parameter '%s' of type '%s'",
       param->name, edje_external_param_type_str(param->type));

   return EINA_FALSE;
}

static Eina_Bool
external_thumb_param_get(void *data EINA_UNUSED, const Evas_Object *obj,
                         Edje_External_Param *param)
{
   if (!strcmp(param->name, "animate"))
     {
        if (param->type == EDJE_EXTERNAL_PARAM_TYPE_CHOICE)
          {
             Elm_Thumb_Animation_Setting anim_set = elm_thumb_animate_get(obj);

             if (anim_set == ELM_THUMB_ANIMATION_LAST)
               return EINA_FALSE;

             param->s = choices[anim_set];
             return EINA_TRUE;
          }
     }

   ERR("unknown parameter '%s' of type '%s'",
       param->name, edje_external_param_type_str(param->type));

   return EINA_FALSE;
}

static void *
external_thumb_params_parse(void *data EINA_UNUSED,
                            Evas_Object *obj EINA_UNUSED,
                            const Eina_List *params)
{
   Elm_Params_Thumb *mem;
   Edje_External_Param *param;
   const Eina_List *l;

   mem = calloc(1, sizeof(Elm_Params_Thumb));
   if (!mem)
     return NULL;

   EINA_LIST_FOREACH(params, l, param)
     {
        if (!strcmp(param->name, "animate"))
          mem->animate = eina_stringshare_add(param->s);
     }

   return mem;
}

static Evas_Object *external_thumb_content_get(void *data EINA_UNUSED,
                                               const Evas_Object *obj EINA_UNUSED,
                                               const char *content EINA_UNUSED)
{
   ERR("No content.");
   return NULL;
}

static void
external_thumb_params_free(void *params)
{
   Elm_Params_Thumb *mem = params;

   if (mem->animate)
     eina_stringshare_del(mem->animate);
   free(mem);
}

static Edje_External_Param_Info external_thumb_params[] =
  {
    DEFINE_EXTERNAL_COMMON_PARAMS,
    EDJE_EXTERNAL_PARAM_INFO_CHOICE_FULL("animate", "loop", choices),
    EDJE_EXTERNAL_PARAM_INFO_SENTINEL
  };

static Evas_Object *
external_thumb_add(void *data EINA_UNUSED, Evas *evas EINA_UNUSED,
                   Evas_Object *edje, const Eina_List *params EINA_UNUSED,
                   const char *part_name)
{
   Evas_Object *parent, *obj;
   external_elm_init();
   parent = elm_widget_parent_widget_get(edje);
   if (!parent) parent = edje;
   elm_need_ethumb(); /* extra command needed */
   obj = elm_thumb_add(parent);
   external_signals_proxy(obj, edje, part_name);
   return obj;
}

DEFINE_EXTERNAL_ICON_ADD(thumb, "thumb");
DEFINE_EXTERNAL_TYPE(thumb, "Thumb");