1 #ifndef ELM_WIDGET_PLUG_H
2 #define ELM_WIDGET_PLUG_H
3 
4 #include "Elementary.h"
5 #include "elm_plug_eo.h"
6 
7 /* DO NOT USE THIS HEADER UNLESS YOU ARE PREPARED FOR BREAKING OF YOUR
8  * CODE. THIS IS ELEMENTARY'S INTERNAL WIDGET API (for now) AND IS NOT
9  * FINAL. CALL elm_widget_api_check(ELM_INTERNAL_API_VERSION) TO CHECK
10  * IT AT RUNTIME.
11  */
12 
13 /**
14  * @addtogroup Widget
15  * @{
16  *
17  * @section elm-plug-class The Elementary Plug Class
18  *
19  * Elementary, besides having the @ref Plug widget, exposes its
20  * foundation -- the Elementary Plug Class -- in order to create other
21  * widgets which are a plug with some more logic on top.
22  */
23 /**
24  * @}
25  */
26 
27 #define ELM_PLUG_DATA_GET(o, sd) \
28      Elm_Plug_Smart_Data * sd = efl_data_scope_get(o, ELM_PLUG_CLASS)
29 
30 #define ELM_PLUG_DATA_GET_OR_RETURN(o, ptr)          \
31   ELM_PLUG_DATA_GET(o, ptr);                         \
32   if (EINA_UNLIKELY(!ptr))                           \
33     {                                                \
34        ERR("No widget data for object %p (%s)",      \
35            o, evas_object_type_get(o));              \
36        return;                                       \
37     }
38 
39 #define ELM_PLUG_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
40   ELM_PLUG_DATA_GET(o, ptr);                         \
41   if (EINA_UNLIKELY(!ptr))                           \
42     {                                                \
43        ERR("No widget data for object %p (%s)",      \
44            o, evas_object_type_get(o));              \
45        return val;                                   \
46     }
47 
48 #define ELM_PLUG_CHECK(obj)                              \
49   if (EINA_UNLIKELY(!efl_isa((obj), ELM_PLUG_CLASS))) \
50     return
51 
52 #endif
53