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path: root/src/edje_externals/elm_scroller.c
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#include "private.h"
#include <assert.h>

typedef struct _Elm_Params_Scroller Elm_Params_Scroller;

struct _Elm_Params_Scroller
{
   Elm_Params base;
   Evas_Object *content;
};

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

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

   if (p->content)
     elm_object_content_set(obj, p->content);
}

static Eina_Bool external_scroller_param_set(void *data EINA_UNUSED,
                                             Evas_Object *obj,
                                             const Edje_External_Param *param)
{
   if (!strcmp(param->name, "content")
       && param->type == EDJE_EXTERNAL_PARAM_TYPE_STRING)
     {
        Evas_Object *content = external_common_param_edje_object_get(obj, param);
        if ((strcmp(param->s, "")) && (!content))
          return EINA_FALSE;
        elm_object_content_set(obj, content);
        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_scroller_param_get(void *data EINA_UNUSED,
                                             const Evas_Object *obj EINA_UNUSED,
                                             Edje_External_Param *param)
{
   if (!strcmp(param->name, "content"))
     {
        /* not easy to get content name back from live object */
        return EINA_FALSE;
     }

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

   return EINA_FALSE;
}

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

   mem = ELM_NEW(Elm_Params_Scroller);
   if (!mem)
     return NULL;

   EINA_LIST_FOREACH(params, l, param)
     {
        if (!strcmp(param->name, "content"))
          mem->content = external_common_param_edje_object_get(obj, param);
     }

   return mem;
}

static Evas_Object *external_scroller_content_get(void *data EINA_UNUSED,
                                                  const Evas_Object *obj,
                                                  const char *content)
{
   if (!strcmp(content, "content"))
     return elm_object_content_get(obj);

   ERR("unknown content '%s'", content);
   return NULL;
}

static void external_scroller_params_free(void *params)
{
   external_common_params_free(params);
}

static Edje_External_Param_Info external_scroller_params[] =
{
   DEFINE_EXTERNAL_COMMON_PARAMS,
   EDJE_EXTERNAL_PARAM_INFO_STRING("content"),
   EDJE_EXTERNAL_PARAM_INFO_SENTINEL
};

DEFINE_EXTERNAL_ICON_ADD(scroller, "scroller");
DEFINE_EXTERNAL_TYPE_SIMPLE(scroller, "Scroller");