efl/legacy/elementary/src/lib/elm_thumb.c

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

static const char THUMB_SMART_NAME[] = "elm_thumb";

typedef struct _Elm_Thumb_Smart_Data Elm_Thumb_Smart_Data;

struct _Elm_Thumb_Smart_Data
{
   Elm_Widget_Smart_Data base;

   Evas_Object          *view;  /* actual thumbnail, to be swallowed
                                 * at the thumb frame */

   /* original object's file/key pair */
   const char           *file;
   const char           *key;

   struct
   {
      /* object's thumbnail file/key pair */
      const char          *file;
      const char          *key;
#ifdef HAVE_ELEMENTARY_ETHUMB
      const char          *thumb_path;
      const char          *thumb_key;
      Ethumb_Client_Async *request;

      Ethumb_Thumb_Format  format;

      Eina_Bool            retry : 1;
#endif
   } thumb;

   Ecore_Event_Handler        *eeh;
   Elm_Thumb_Animation_Setting anim_setting;

   Eina_Bool                   edit : 1;
   Eina_Bool                   on_hold : 1;
   Eina_Bool                   is_video : 1;
   Eina_Bool                   was_video : 1;
};

static const char SIG_CLICKED[] = "clicked";
static const char SIG_CLICKED_DOUBLE[] = "clicked,double";
static const char SIG_GENERATE_ERROR[] = "generate,error";
static const char SIG_GENERATE_START[] = "generate,start";
static const char SIG_GENERATE_STOP[] = "generate,stop";
static const char SIG_LOAD_ERROR[] = "load,error";
static const char SIG_PRESS[] = "press";
static const Evas_Smart_Cb_Description _smart_callbacks[] =
{
   {SIG_CLICKED, ""},
   {SIG_CLICKED_DOUBLE, ""},
   {SIG_GENERATE_ERROR, ""},
   {SIG_GENERATE_START, ""},
   {SIG_GENERATE_STOP, ""},
   {SIG_LOAD_ERROR, ""},
   {SIG_PRESS, ""},
   {NULL, NULL}
};

#define EDJE_SIGNAL_GENERATE_START "elm,thumb,generate,start"
#define EDJE_SIGNAL_GENERATE_STOP  "elm,thumb,generate,stop"
#define EDJE_SIGNAL_GENERATE_ERROR "elm,thumb,generate,error"
#define EDJE_SIGNAL_LOAD_ERROR     "elm,thumb,load,error"
#define EDJE_SIGNAL_PULSE_START    "elm,state,pulse,start"
#define EDJE_SIGNAL_PULSE_STOP     "elm,state,pulse,stop"

static struct _Ethumb_Client *_elm_ethumb_client = NULL;
static Eina_Bool _elm_ethumb_connected = EINA_FALSE;

#ifdef HAVE_ELEMENTARY_ETHUMB
static Eina_List *retry = NULL;
static int pending_request = 0;
#endif

EAPI int ELM_ECORE_EVENT_ETHUMB_CONNECT = 0;

#define ELM_THUMB_DATA_GET(o, sd) \
  Elm_Thumb_Smart_Data * sd = evas_object_smart_data_get(o)

#define ELM_THUMB_DATA_GET_OR_RETURN(o, ptr)         \
  ELM_THUMB_DATA_GET(o, ptr);                        \
  if (!ptr)                                          \
    {                                                \
       CRITICAL("No widget data for object %p (%s)", \
                o, evas_object_type_get(o));         \
       return;                                       \
    }

#define ELM_THUMB_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
  ELM_THUMB_DATA_GET(o, ptr);                         \
  if (!ptr)                                           \
    {                                                 \
       CRITICAL("No widget data for object %p (%s)",  \
                o, evas_object_type_get(o));          \
       return val;                                    \
    }

#define ELM_THUMB_CHECK(obj)                                             \
  if (!obj || !elm_widget_type_check((obj), THUMB_SMART_NAME, __func__)) \
    return

EVAS_SMART_SUBCLASS_NEW
  (THUMB_SMART_NAME, _elm_thumb, Elm_Widget_Smart_Class,
  Elm_Widget_Smart_Class, elm_widget_smart_class_get, _smart_callbacks);

#ifdef HAVE_ELEMENTARY_ETHUMB
static void
_mouse_down_cb(void *data,
               Evas *e __UNUSED__,
               Evas_Object *obj,
               void *event_info)
{
   Elm_Thumb_Smart_Data *sd = data;
   Evas_Event_Mouse_Down *ev = event_info;

   if (ev->button != 1)
     return;
   if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD)
     sd->on_hold = EINA_TRUE;
   else
     sd->on_hold = EINA_FALSE;
   if (ev->flags & EVAS_BUTTON_DOUBLE_CLICK)
     evas_object_smart_callback_call(obj, SIG_CLICKED_DOUBLE, NULL);
   else
     evas_object_smart_callback_call(obj, SIG_PRESS, NULL);
}

static void
_mouse_up_cb(void *data,
             Evas *e __UNUSED__,
             Evas_Object *obj,
             void *event_info)
{
   Elm_Thumb_Smart_Data *sd = data;
   Evas_Event_Mouse_Up *ev = event_info;

   if (ev->button != 1)
     return;
   if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD)
     sd->on_hold = EINA_TRUE;
   else
     sd->on_hold = EINA_FALSE;
   if (!sd->on_hold)
     evas_object_smart_callback_call(obj, SIG_CLICKED, NULL);

   sd->on_hold = EINA_FALSE;
}

static void
_thumb_ready_inform(Elm_Thumb_Smart_Data *sd,
                    const char *thumb_path,
                    const char *thumb_key)
{
   Evas_Coord mw, mh;
   Evas_Coord aw, ah;

   evas_object_image_size_get(sd->view, &aw, &ah);
   evas_object_size_hint_aspect_set
     (sd->view, EVAS_ASPECT_CONTROL_BOTH, aw, ah);
   elm_layout_content_set
     (ELM_WIDGET_DATA(sd)->resize_obj, "elm.swallow.content", sd->view);
   edje_object_size_min_get(ELM_WIDGET_DATA(sd)->resize_obj, &mw, &mh);
   edje_object_size_min_restricted_calc
     (ELM_WIDGET_DATA(sd)->resize_obj, &mw, &mh, mw, mh);
   evas_object_size_hint_min_set(ELM_WIDGET_DATA(sd)->obj, mw, mh);
   eina_stringshare_replace(&(sd->thumb.file), thumb_path);
   eina_stringshare_replace(&(sd->thumb.key), thumb_key);
   elm_layout_signal_emit
     (ELM_WIDGET_DATA(sd)->resize_obj, EDJE_SIGNAL_PULSE_STOP, "elm");
   elm_layout_signal_emit
     (ELM_WIDGET_DATA(sd)->resize_obj, EDJE_SIGNAL_GENERATE_STOP, "elm");
   evas_object_smart_callback_call
     (ELM_WIDGET_DATA(sd)->obj, SIG_GENERATE_STOP, NULL);
}

static void
_on_thumb_preloaded(void *data,
                    Evas *e __UNUSED__,
                    Evas_Object *obj __UNUSED__,
                    void *event_info __UNUSED__)
{
   Elm_Thumb_Smart_Data *sd = data;
   const char *thumb_path;
   const char *thumb_key;

   evas_object_image_file_get(sd->view, &thumb_path, &thumb_key);

   _thumb_ready_inform(sd, thumb_path, thumb_key);
}

/* As we do use stat to check if a thumbnail is available, it's
 * possible that we end up accessing it before the file is completly
 * written on disk. By retrying each time a thumbnail is finished we
 * should be fine or not.
 */
static Eina_Bool
_thumb_retry(Elm_Thumb_Smart_Data *sd)
{
   int r;

   if ((sd->is_video) && (sd->thumb.format == ETHUMB_THUMB_EET))
     {
        edje_object_file_set(sd->view, NULL, NULL);
        if (!edje_object_file_set
              (sd->view, sd->thumb.thumb_path, "movie/thumb"))
          {
             if (pending_request == 0)
               ERR("could not set file=%s key=%s for %s",
                   sd->thumb.thumb_path,
                   sd->thumb.thumb_key,
                   sd->file);
             goto view_err;
          }
        /* FIXME: Do we want to reload a thumbnail when the file
           changes? I think not at the moment, as this may increase
           the presure on the system a lot when using it in a file
           browser */
     }
   else
     {
        evas_object_image_file_set(sd->view, NULL, NULL);
        evas_object_image_file_set
          (sd->view, sd->thumb.thumb_path, sd->thumb.thumb_key);
        r = evas_object_image_load_error_get(sd->view);
        if (r != EVAS_LOAD_ERROR_NONE)
          {
             if (pending_request == 0)
               ERR("%s: %s", sd->thumb.thumb_path, evas_load_error_str(r));
             goto view_err;
          }

        evas_object_event_callback_add
          (sd->view, EVAS_CALLBACK_IMAGE_PRELOADED, _on_thumb_preloaded, sd);
        evas_object_image_preload(sd->view, EINA_TRUE);

        return EINA_TRUE;
     }

   _thumb_ready_inform(sd, sd->thumb.thumb_path, sd->thumb.thumb_key);

   eina_stringshare_del(sd->thumb.thumb_path);
   sd->thumb.thumb_path = NULL;

   eina_stringshare_del(sd->thumb.thumb_key);
   sd->thumb.thumb_key = NULL;

   return EINA_TRUE;

view_err:
   return EINA_FALSE;
}

static void
_thumb_finish(Elm_Thumb_Smart_Data *sd,
              const char *thumb_path,
              const char *thumb_key)
{
   Eina_List *l, *ll;
   Evas *evas;
   int r;

   evas = evas_object_evas_get(ELM_WIDGET_DATA(sd)->obj);
   if ((sd->view) && (sd->is_video ^ sd->was_video))
     {
        evas_object_del(sd->view);
        sd->view = NULL;
     }
   sd->was_video = sd->is_video;

   if ((sd->is_video) &&
       (ethumb_client_format_get(_elm_ethumb_client) == ETHUMB_THUMB_EET))
     {
        if (!sd->view)
          {
             sd->view = edje_object_add(evas);
             if (!sd->view)
               {
                  ERR("could not create edje object");
                  goto err;
               }
          }

        if (!edje_object_file_set(sd->view, thumb_path, thumb_key))
          {
             sd->thumb.thumb_path = eina_stringshare_ref(thumb_path);
             sd->thumb.thumb_key = eina_stringshare_ref(thumb_key);
             sd->thumb.format = ethumb_client_format_get(_elm_ethumb_client);
             sd->thumb.retry = EINA_TRUE;

             retry = eina_list_append(retry, sd);
             return;
          }
     }
   else
     {
        if (!sd->view)
          {
             sd->view = evas_object_image_filled_add(evas);
             if (!sd->view)
               {
                  ERR("could not create image object");
                  goto err;
               }
             evas_object_event_callback_add
               (sd->view, EVAS_CALLBACK_IMAGE_PRELOADED, _on_thumb_preloaded,
               sd);
             evas_object_hide(sd->view);
          }

        evas_object_image_file_set(sd->view, thumb_path, thumb_key);
        r = evas_object_image_load_error_get(sd->view);
        if (r != EVAS_LOAD_ERROR_NONE)
          {
             WRN("%s: %s", thumb_path, evas_load_error_str(r));
             sd->thumb.thumb_path = eina_stringshare_ref(thumb_path);
             sd->thumb.thumb_key = eina_stringshare_ref(thumb_key);
             sd->thumb.format = ethumb_client_format_get(_elm_ethumb_client);
             sd->thumb.retry = EINA_TRUE;

             retry = eina_list_append(retry, sd);
             return;
          }

        evas_object_image_preload(sd->view, EINA_FALSE);
        return;
     }

   _thumb_ready_inform(sd, thumb_path, thumb_key);

   EINA_LIST_FOREACH_SAFE (retry, l, ll, sd)
     {
        if (_thumb_retry(sd))
          retry = eina_list_remove_list(retry, l);
     }

   if (pending_request == 0)
     EINA_LIST_FREE (retry, sd)
       {
          eina_stringshare_del(sd->thumb.thumb_path);
          sd->thumb.thumb_path = NULL;

          eina_stringshare_del(sd->thumb.thumb_key);
          sd->thumb.thumb_key = NULL;

          evas_object_del(sd->view);
          sd->view = NULL;

          elm_layout_signal_emit
            (ELM_WIDGET_DATA(sd)->resize_obj, EDJE_SIGNAL_LOAD_ERROR, "elm");
          evas_object_smart_callback_call
            (ELM_WIDGET_DATA(sd)->obj, SIG_LOAD_ERROR, NULL);
       }

   return;

err:
   elm_layout_signal_emit
     (ELM_WIDGET_DATA(sd)->resize_obj, EDJE_SIGNAL_LOAD_ERROR, "elm");
   evas_object_smart_callback_call
     (ELM_WIDGET_DATA(sd)->obj, SIG_LOAD_ERROR, NULL);
}

static void
_on_ethumb_thumb_done(Ethumb_Client *client __UNUSED__,
                      const char *thumb_path,
                      const char *thumb_key,
                      void *data)
{
   Elm_Thumb_Smart_Data *sd = data;

   if (EINA_UNLIKELY(!sd->thumb.request))
     {
        ERR("Something odd happened with a thumbnail request");
        return;
     }

   pending_request--;
   sd->thumb.request = NULL;

   _thumb_finish(sd, thumb_path, thumb_key);
}

static void
_on_ethumb_thumb_error(Ethumb_Client *client __UNUSED__,
                       void *data)
{
   Elm_Thumb_Smart_Data *sd = data;

   if (EINA_UNLIKELY(!sd->thumb.request))
     {
        ERR("Something odd happened with a thumbnail request");
        return;
     }

   pending_request--;
   sd->thumb.request = NULL;

   ERR("could not generate thumbnail for %s (key: %s)",
       sd->thumb.file, sd->thumb.key ? sd->thumb.key : "");

   elm_layout_signal_emit
     (ELM_WIDGET_DATA(sd)->resize_obj, EDJE_SIGNAL_GENERATE_ERROR, "elm");
   evas_object_smart_callback_call
     (ELM_WIDGET_DATA(sd)->obj, SIG_GENERATE_ERROR, NULL);
}

static void
_thumb_start(Elm_Thumb_Smart_Data *sd)
{
   if (sd->thumb.request)
     {
        ethumb_client_thumb_async_cancel(_elm_ethumb_client, sd->thumb.request);
        sd->thumb.request = NULL;
     }
   if (sd->thumb.retry)
     {
        retry = eina_list_remove(retry, sd);
        sd->thumb.retry = EINA_FALSE;
     }

   if (!sd->file) return;

   elm_layout_signal_emit
     (ELM_WIDGET_DATA(sd)->resize_obj, EDJE_SIGNAL_PULSE_START, "elm");
   elm_layout_signal_emit
     (ELM_WIDGET_DATA(sd)->resize_obj, EDJE_SIGNAL_GENERATE_START, "elm");
   evas_object_smart_callback_call
     (ELM_WIDGET_DATA(sd)->obj, SIG_GENERATE_START, NULL);

   pending_request++;
   ethumb_client_file_set(_elm_ethumb_client, sd->file, sd->key);
   sd->thumb.request = ethumb_client_thumb_async_get
       (_elm_ethumb_client, _on_ethumb_thumb_done, _on_ethumb_thumb_error, sd);
}

static Eina_Bool
_thumbnailing_available_cb(void *data,
                           int type __UNUSED__,
                           void *ev __UNUSED__)
{
   _thumb_start(data);

   return ECORE_CALLBACK_RENEW;
}

static void
_thumb_show(Elm_Thumb_Smart_Data *sd)
{
   evas_object_show(ELM_WIDGET_DATA(sd)->resize_obj);

   if (elm_thumb_ethumb_client_connected_get())
     {
        _thumb_start(sd);
        return;
     }

   if (!sd->eeh)
     sd->eeh = ecore_event_handler_add
         (ELM_ECORE_EVENT_ETHUMB_CONNECT, _thumbnailing_available_cb, sd);
}

#endif

static void
_elm_thumb_smart_show(Evas_Object *obj)
{
   ELM_THUMB_DATA_GET(obj, sd);

   ELM_WIDGET_CLASS(_elm_thumb_parent_sc)->base.show(obj);

#ifdef ELM_ETHUMB
   _thumb_show(sd);
#else
   (void)sd;
#endif
}

static void
_elm_thumb_smart_hide(Evas_Object *obj)
{
   ELM_THUMB_DATA_GET(obj, sd);

   ELM_WIDGET_CLASS(_elm_thumb_parent_sc)->base.hide(obj);

   evas_object_hide(ELM_WIDGET_DATA(sd)->resize_obj);

#ifdef ELM_ETHUMB
   if (sd->thumb.request)
     {
        ethumb_client_thumb_async_cancel(_elm_ethumb_client, sd->thumb.request);
        sd->thumb.request = NULL;

        elm_layout_signal_emit
          (ELM_WIDGET_DATA(sd)->resize_obj, EDJE_SIGNAL_GENERATE_STOP, "elm");
        evas_object_smart_callback_call
          (ELM_WIDGET_DATA(sd)->obj, SIG_GENERATE_STOP, NULL);
     }

   if (sd->thumb.retry)
     {
        retry = eina_list_remove(retry, sd);
        sd->thumb.retry = EINA_FALSE;
     }

   if (sd->eeh)
     {
        ecore_event_handler_del(sd->eeh);
        sd->eeh = NULL;
     }
#endif
}

#ifdef ELM_ETHUMB
static int _elm_need_ethumb = 0;
static void _on_die_cb(void *, Ethumb_Client *);

static void
_connect_cb(void *data __UNUSED__,
            Ethumb_Client *c,
            Eina_Bool success)
{
   if (success)
     {
        ethumb_client_on_server_die_callback_set(c, _on_die_cb, NULL, NULL);
        _elm_ethumb_connected = EINA_TRUE;
        ecore_event_add(ELM_ECORE_EVENT_ETHUMB_CONNECT, NULL, NULL, NULL);
     }
   else
     _elm_ethumb_client = NULL;
}

static void
_on_die_cb(void *data __UNUSED__,
           Ethumb_Client *c __UNUSED__)
{
   ethumb_client_disconnect(_elm_ethumb_client);

   _elm_ethumb_client = NULL;
   _elm_ethumb_connected = EINA_FALSE;
   _elm_ethumb_client = ethumb_client_connect(_connect_cb, NULL, NULL);
}

#endif

void
_elm_unneed_ethumb(void)
{
#ifdef ELM_ETHUMB
   if (--_elm_need_ethumb) return;

   ethumb_client_disconnect(_elm_ethumb_client);
   _elm_ethumb_client = NULL;
   ethumb_client_shutdown();
   ELM_ECORE_EVENT_ETHUMB_CONNECT = 0;
#endif
}

static Eina_Bool
_elm_thumb_dnd_cb(void *data __UNUSED__,
                  Evas_Object *o,
                  Elm_Selection_Data *drop)
{
   if ((!o) || (!drop) || (!drop->data)) return EINA_FALSE;
   elm_thumb_file_set(o, drop->data, NULL);
   return EINA_TRUE;
}

EAPI Eina_Bool
elm_need_ethumb(void)
{
#ifdef ELM_ETHUMB
   if (_elm_need_ethumb++) return EINA_TRUE;

   ELM_ECORE_EVENT_ETHUMB_CONNECT = ecore_event_type_new();
   ethumb_client_init();
   _elm_ethumb_client = ethumb_client_connect(_connect_cb, NULL, NULL);

   return EINA_TRUE;
#else
   return EINA_FALSE;
#endif
}

static void
_elm_thumb_smart_add(Evas_Object *obj)
{
   EVAS_SMART_DATA_ALLOC(obj, Elm_Thumb_Smart_Data);

   ELM_WIDGET_CLASS(_elm_thumb_parent_sc)->base.add(obj);

   priv->view = NULL;
   priv->file = NULL;
   priv->key = NULL;
   priv->eeh = NULL;
   priv->on_hold = EINA_FALSE;
   priv->is_video = EINA_FALSE;
   priv->was_video = EINA_FALSE;

#ifdef HAVE_ELEMENTARY_ETHUMB
   priv->thumb.thumb_path = NULL;
   priv->thumb.thumb_key = NULL;
   priv->thumb.request = NULL;
   evas_object_event_callback_add
     (obj, EVAS_CALLBACK_MOUSE_DOWN, _mouse_down_cb, priv);
   evas_object_event_callback_add
     (obj, EVAS_CALLBACK_MOUSE_UP, _mouse_up_cb, priv);
#endif

   elm_widget_can_focus_set(obj, EINA_FALSE);
}

static void
_elm_thumb_smart_del(Evas_Object *obj)
{
   ELM_THUMB_DATA_GET(obj, sd);

#ifdef HAVE_ELEMENTARY_ETHUMB
   if (sd->thumb.request)
     {
        ethumb_client_thumb_async_cancel(_elm_ethumb_client, sd->thumb.request);
        sd->thumb.request = NULL;
     }
   if (sd->thumb.retry)
     {
        retry = eina_list_remove(retry, sd);
        sd->thumb.retry = EINA_FALSE;
     }

   eina_stringshare_del(sd->thumb.thumb_path);
   eina_stringshare_del(sd->thumb.thumb_key);
#endif

   eina_stringshare_del(sd->file);
   eina_stringshare_del(sd->key);

   if (sd->eeh) ecore_event_handler_del(sd->eeh);

   ELM_WIDGET_CLASS(_elm_thumb_parent_sc)->base.del(obj);
}

static void
_elm_thumb_smart_set_user(Elm_Widget_Smart_Class *sc)
{
   ELM_WIDGET_CLASS(sc)->base.add = _elm_thumb_smart_add;
   ELM_WIDGET_CLASS(sc)->base.del = _elm_thumb_smart_del;

   ELM_WIDGET_CLASS(sc)->base.show = _elm_thumb_smart_show;
   ELM_WIDGET_CLASS(sc)->base.hide = _elm_thumb_smart_hide;
}

EAPI Evas_Object *
elm_thumb_add(Evas_Object *parent)
{
   Evas *e;
   Evas_Object *obj;

   EINA_SAFETY_ON_NULL_RETURN_VAL(parent, NULL);

   e = evas_object_evas_get(parent);
   if (!e) return NULL;

   obj = evas_object_smart_add(e, _elm_thumb_smart_class_new());

   if (!elm_widget_sub_object_add(parent, obj))
     ERR("could not add %p as sub object of %p", obj, parent);

   ELM_THUMB_DATA_GET(obj, sd);

   elm_widget_resize_object_set(obj, elm_layout_add(obj));

   elm_layout_theme_set
     (ELM_WIDGET_DATA(sd)->resize_obj, "thumb", "base",
     elm_widget_style_get(obj));

   return obj;
}

EAPI void
elm_thumb_reload(Evas_Object *obj)
{
   ELM_THUMB_CHECK(obj);
   ELM_THUMB_DATA_GET(obj, sd);

   eina_stringshare_replace(&(sd->thumb.file), NULL);
   eina_stringshare_replace(&(sd->thumb.key), NULL);

#ifdef HAVE_ELEMENTARY_ETHUMB
   if (evas_object_visible_get(obj))
     _thumb_show(sd);
#endif
}

EAPI void
elm_thumb_file_set(Evas_Object *obj,
                   const char *file,
                   const char *key)
{
   Eina_Bool file_replaced, key_replaced;

   ELM_THUMB_CHECK(obj);
   ELM_THUMB_DATA_GET(obj, sd);

   file_replaced = eina_stringshare_replace(&(sd->file), file);
   key_replaced = eina_stringshare_replace(&(sd->key), key);

   if (file_replaced)
     {
        int prefix_size;
        const char **ext, *ptr;
        static const char *extensions[] =
        {
           ".avi", ".mp4", ".ogv", ".mov", ".mpg", ".wmv", NULL
        };

        prefix_size = eina_stringshare_strlen(sd->file) - 4;
        if (prefix_size >= 0)
          {
             ptr = sd->file + prefix_size;
             sd->is_video = EINA_FALSE;
             for (ext = extensions; *ext; ext++)
               if (!strcasecmp(ptr, *ext))
                 {
                    sd->is_video = EINA_TRUE;
                    break;
                 }
          }
     }

   eina_stringshare_replace(&(sd->thumb.file), NULL);
   eina_stringshare_replace(&(sd->thumb.key), NULL);

#ifdef HAVE_ELEMENTARY_ETHUMB
   if (((file_replaced) || (key_replaced)) && (evas_object_visible_get(obj)))
     _thumb_show(sd);
#else
   (void)key_replaced;
#endif
}

EAPI void
elm_thumb_file_get(const Evas_Object *obj,
                   const char **file,
                   const char **key)
{
   ELM_THUMB_CHECK(obj);
   ELM_THUMB_DATA_GET(obj, sd);

   if (file)
     *file = sd->file;
   if (key)
     *key = sd->key;
}

EAPI void
elm_thumb_path_get(const Evas_Object *obj,
                   const char **file,
                   const char **key)
{
   ELM_THUMB_CHECK(obj);
   ELM_THUMB_DATA_GET(obj, sd);

   if (file)
     *file = sd->thumb.file;
   if (key)
     *key = sd->thumb.key;
}

EAPI void
elm_thumb_animate_set(Evas_Object *obj,
                      Elm_Thumb_Animation_Setting setting)
{
   ELM_THUMB_CHECK(obj);
   ELM_THUMB_DATA_GET(obj, sd);

   EINA_SAFETY_ON_TRUE_RETURN(setting >= ELM_THUMB_ANIMATION_LAST);

   sd->anim_setting = setting;
   if (setting == ELM_THUMB_ANIMATION_LOOP)
     edje_object_signal_emit(sd->view, "animate_loop", "");
   else if (setting == ELM_THUMB_ANIMATION_START)
     edje_object_signal_emit(sd->view, "animate", "");
   else if (setting == ELM_THUMB_ANIMATION_STOP)
     edje_object_signal_emit(sd->view, "animate_stop", "");
}

EAPI Elm_Thumb_Animation_Setting
elm_thumb_animate_get(const Evas_Object *obj)
{
   ELM_THUMB_CHECK(obj) ELM_THUMB_ANIMATION_LAST;
   ELM_THUMB_DATA_GET(obj, sd);

   return sd->anim_setting;
}

EAPI void *
elm_thumb_ethumb_client_get(void)
{
   return _elm_ethumb_client;
}

EAPI Eina_Bool
elm_thumb_ethumb_client_connected_get(void)
{
   return _elm_ethumb_connected;
}

EAPI Eina_Bool
elm_thumb_editable_set(Evas_Object *obj,
                       Eina_Bool edit)
{
   ELM_THUMB_CHECK(obj) EINA_FALSE;
   ELM_THUMB_DATA_GET(obj, sd);

   edit = !!edit;
   if (sd->edit == edit) return EINA_TRUE;

   sd->edit = edit;
   if (sd->edit)
     elm_drop_target_add(obj, ELM_SEL_FORMAT_IMAGE, _elm_thumb_dnd_cb, obj);
   else
     elm_drop_target_del(obj);

   return EINA_TRUE;
}

EAPI Eina_Bool
elm_thumb_editable_get(const Evas_Object *obj)
{
   ELM_THUMB_CHECK(obj) EINA_FALSE;
   ELM_THUMB_DATA_GET(obj, sd);

   return sd->edit;
}