5 static int _eobj_log_dom = -1;
7 static Eobj_Class **_eobj_classes;
8 static Eobj_Class_Id _eobj_classes_last_id;
9 static Eina_Bool _eobj_init_count = 0;
11 #define CONSTRUCT_ERROR_KEY "__construct_error"
13 static void _eobj_callback_remove_all(Eobj *obj);
14 static void _eobj_generic_data_del_all(Eobj *obj);
15 static void eobj_class_constructor(Eobj *obj, const Eobj_Class *klass);
16 static void eobj_class_destructor(Eobj *obj, const Eobj_Class *klass);
21 #define CRITICAL(...) EINA_LOG_DOM_CRIT(_eobj_log_dom, __VA_ARGS__)
26 #define ERR(...) EINA_LOG_DOM_ERR(_eobj_log_dom, __VA_ARGS__)
31 #define WRN(...) EINA_LOG_DOM_WARN(_eobj_log_dom, __VA_ARGS__)
36 #define INF(...) EINA_LOG_DOM_INFO(_eobj_log_dom, __VA_ARGS__)
41 #define DBG(...) EINA_LOG_DOM_DBG(_eobj_log_dom, __VA_ARGS__)
43 typedef struct _Eobj_Callback_Description Eobj_Callback_Description;
47 const Eobj_Class *klass;
50 Eina_List *composite_objects;
52 Eina_Inlist *callbacks;
55 Eina_Inlist *generic_data;
64 /* Dich search, split to 0xff 0xff 0xffff */
66 #define DICH_CHAIN1_MASK (0xff)
67 #define DICH_CHAIN2_MASK (0xff)
68 #define DICH_CHAIN_LAST_MASK (0xffff)
69 #define DICH_CHAIN1_SIZE (DICH_CHAIN1_MASK + 1)
70 #define DICH_CHAIN2_SIZE (DICH_CHAIN2_MASK + 1)
71 #define DICH_CHAIN_LAST_SIZE (DICH_CHAIN_LAST_MASK + 1)
72 #define DICH_CHAIN1(x) (((x) >> 24) & DICH_CHAIN1_MASK)
73 #define DICH_CHAIN2(x) (((x) >> 16) & DICH_CHAIN2_MASK)
74 #define DICH_CHAIN_LAST(x) ((x) & DICH_CHAIN_LAST_MASK)
76 #define OP_CLASS_OFFSET 16
77 #define OP_CLASS_OFFSET_GET(x) (((x) >> OP_CLASS_OFFSET) & 0xffff)
78 #define OP_CLASS_GET(op) ({ \
79 Eobj_Class_Id tmp = OP_CLASS_OFFSET_GET(op); \
80 (Eobj_Class *) ((tmp <= _eobj_classes_last_id) && (tmp > 0)) ? \
81 (_eobj_classes[tmp - 1]) : NULL; \
84 /* Structure of Eobj_Op is:
89 typedef struct _Dich_Chain1 Dich_Chain1;
93 eobj_op_func_type func;
109 const Eobj_Class *klass;
110 } Eobj_Extension_Node;
114 Eobj_Class_Id class_id;
115 const Eobj_Class *parent;
116 const Eobj_Class_Description *desc;
117 Dich_Chain1 chain[DICH_CHAIN1_SIZE];
118 Eina_Inlist *extensions;
120 const Eobj_Class **mro;
122 size_t data_offset; /* < Offset of the data within object data. */
124 Eina_Bool constructed : 1;
127 static inline eobj_op_func_type
128 dich_func_get(const Eobj_Class *klass, Eobj_Op op)
130 const Dich_Chain1 *chain1 = &klass->chain[DICH_CHAIN1(op)];
131 if (!chain1) return NULL;
132 if (!chain1->chain) return NULL;
133 Dich_Chain2 *chain2 = &chain1->chain[DICH_CHAIN2(op)];
134 if (!chain2) return NULL;
135 if (!chain2->funcs) return NULL;
137 /* num_ops is calculated from the class. */
138 const Eobj_Class *op_klass = OP_CLASS_GET(op);
139 if (!op_klass || (DICH_CHAIN_LAST(op) >= op_klass->desc->ops.count))
142 return chain2->funcs[DICH_CHAIN_LAST(op)].func;
146 dich_func_set(Eobj_Class *klass, Eobj_Op op, eobj_op_func_type func)
148 const Eobj_Class *op_klass = OP_CLASS_GET(op);
151 /* Verify op is valid. */
154 /* num_ops is calculated from the class. */
155 num_ops = op_klass->desc->ops.count;
156 if (DICH_CHAIN_LAST(op) >= num_ops)
158 ERR("OP %x is too big for the domain '%s', expected value < %x.",
159 op, op_klass->desc->name, op_klass->desc->ops.count);
164 ERR("OP %x is from an illegal class.", op);
168 Dich_Chain1 *chain1 = &klass->chain[DICH_CHAIN1(op)];
171 klass->chain[DICH_CHAIN1(op)].chain =
173 calloc(DICH_CHAIN2_SIZE, sizeof(*(chain1->chain)));
176 Dich_Chain2 *chain2 = &chain1->chain[DICH_CHAIN2(op)];
179 chain2->funcs = chain1->chain[DICH_CHAIN2(op)].funcs =
180 calloc(num_ops, sizeof(*(chain2->funcs)));
183 chain2->funcs[DICH_CHAIN_LAST(op)].func = func;
187 dich_func_clean_all(Eobj_Class *klass)
190 Dich_Chain1 *chain1 = klass->chain;
192 for (i = 0 ; i < DICH_CHAIN1_SIZE ; i++, chain1++)
195 Dich_Chain2 *chain2 = chain1->chain;
200 for (j = 0 ; j < DICH_CHAIN2_SIZE ; j++, chain2++)
205 chain1->chain = NULL;
212 _eobj_kls_itr_init(Eobj *obj)
214 obj->kls_itr = eina_list_prepend(obj->kls_itr, obj->klass->mro);
218 _eobj_kls_itr_end(Eobj *obj)
220 obj->kls_itr = eina_list_remove_list(obj->kls_itr, obj->kls_itr);
223 static inline const Eobj_Class *
224 _eobj_kls_itr_next(Eobj *obj)
226 const Eobj_Class **kls_itr = eina_list_data_get(obj->kls_itr);
230 eina_list_data_set(obj->kls_itr, kls_itr);
239 static inline Eina_Bool
240 _eobj_kls_itr_reached_end(const Eobj *obj)
242 const Eobj_Class **kls_itr = eina_list_data_get(obj->kls_itr);
243 return !(*kls_itr && *(kls_itr + 1));
246 /* FIXME: Decide if it should be fast, and if so, add a mapping.
247 * Otherwise, this is very slow. But since it's only for debugging... */
248 static const Eobj_Op_Description *
249 _eobj_op_id_desc_get(Eobj_Op op)
252 Eobj_Class **cls_itr = _eobj_classes;
254 for (i = 0 ; i < _eobj_classes_last_id ; i++, cls_itr++)
258 const Eobj_Op_Description *desc = (*cls_itr)->desc->ops.descs;
262 Eobj_Op base_op_id = *(*cls_itr)->desc->ops.base_op_id;
265 if ((base_op_id + desc->sub_op) == op)
276 _eobj_op_internal(Eobj *obj, const Eobj_Class *obj_klass, Eobj_Op op, va_list *p_list, Eina_Bool recursive)
278 const Eobj_Class *klass = obj_klass;
279 eobj_op_func_type func;
286 func = dich_func_get(klass, op);
290 func(obj, op, p_list);
295 klass = klass->parent;
305 /* FIXME: Should probably flatten everything. to be faster. */
308 Eobj_Extension_Node *itr;
309 EINA_INLIST_FOREACH(klass->extensions, itr)
311 if (_eobj_op_internal(obj, itr->klass, op, p_list, recursive))
318 /* Try composite objects */
322 EINA_LIST_FOREACH(obj->composite_objects, itr, emb_obj)
324 if (_eobj_op_internal(emb_obj, eobj_class_get(emb_obj), op, p_list, recursive))
331 /* If haven't found anything, return FALSE */
338 static inline Eina_Bool
339 _eobj_ops_internal(Eobj *obj, const Eobj_Class *obj_klass, va_list *p_list)
341 Eina_Bool ret = EINA_TRUE;
344 op = va_arg(*p_list, Eobj_Op);
347 _eobj_kls_itr_init(obj);
348 if (!_eobj_op_internal(obj, obj_klass, op, p_list, EINA_TRUE))
350 const Eobj_Op_Description *desc = _eobj_op_id_desc_get(op);
351 const char *_id_name = (desc) ? desc->name : NULL;
352 const Eobj_Class *op_klass = OP_CLASS_GET(op);
353 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
354 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
355 op, _id_name, _dom_name,
356 obj_klass->desc->name);
358 _eobj_kls_itr_end(obj);
361 _eobj_kls_itr_end(obj);
362 op = va_arg(*p_list, Eobj_Op);
369 eobj_do_internal(Eobj *obj, ...)
373 va_start(p_list, obj);
374 ret = _eobj_ops_internal(obj, eobj_class_get(obj), &p_list);
380 eobj_super_do(Eobj *obj, Eobj_Op op, ...)
382 const Eobj_Class *obj_klass = _eobj_kls_itr_next(obj);
383 if (!obj_klass) return EINA_TRUE;
385 Eina_Bool ret = EINA_TRUE;
387 va_start(p_list, op);
388 if (!_eobj_op_internal(obj, obj_klass, op, &p_list, EINA_FALSE))
390 const Eobj_Op_Description *desc = _eobj_op_id_desc_get(op);
391 const char *_id_name = (desc) ? desc->name : NULL;
392 const Eobj_Class *op_klass = OP_CLASS_GET(op);
393 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
394 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
395 op, _id_name, _dom_name,
396 obj_klass->desc->name);
403 EAPI const Eobj_Class *
404 eobj_class_get(Eobj *obj)
409 EAPI const Eobj_Class *
410 eobj_class_parent_get(const Eobj_Class *klass)
412 return klass->parent;
416 eobj_class_name_get(const Eobj_Class *klass)
418 return klass->desc->name;
422 _eobj_class_base_op_init(Eobj_Class *klass)
424 const Eobj_Class_Description *desc = klass->desc;
425 if (!desc || !desc->ops.base_op_id)
428 /* FIXME: Depends on values defined above! */
429 *(desc->ops.base_op_id) = klass->class_id << OP_CLASS_OFFSET;
433 _eobj_class_mro_add(Eina_List *mro, const Eobj_Class *klass)
438 mro = eina_list_append(mro, klass);
441 Eobj_Extension_Node *extn;
442 EINA_INLIST_FOREACH(klass->extensions, extn)
444 mro = _eobj_class_mro_add(mro, extn->klass);
448 mro = _eobj_class_mro_add(mro, klass->parent);
454 _eobj_class_mro_init(Eobj_Class *klass)
456 Eina_List *mro = NULL;
458 DBG("Started creating MRO for class '%s'", klass->desc->name);
459 mro = _eobj_class_mro_add(mro, klass);
462 Eina_List *itr1, *itr2, *itr2n;
464 itr1 = eina_list_last(mro);
467 itr2 = eina_list_prev(itr1);
471 itr2n = eina_list_prev(itr2);
473 if (eina_list_data_get(itr1) == eina_list_data_get(itr2))
475 mro = eina_list_remove_list(mro, itr2);
481 itr1 = eina_list_prev(itr1);
485 /* Copy the mro and free the list. */
487 const Eobj_Class *kls_itr;
488 const Eobj_Class **mro_itr;
489 klass->mro = calloc(sizeof(*klass->mro), eina_list_count(mro) + 1);
491 mro_itr = klass->mro;
493 EINA_LIST_FREE(mro, kls_itr)
495 *(mro_itr++) = kls_itr;
497 DBG("Added '%s' to MRO", kls_itr->desc->name);
502 DBG("Finished creating MRO for class '%s'", klass->desc->name);
506 _eobj_class_constructor(Eobj_Class *klass)
508 if (klass->constructed)
511 klass->constructed = EINA_TRUE;
513 if (klass->desc->class_constructor)
514 klass->desc->class_constructor(klass);
516 _eobj_class_mro_init(klass);
520 eobj_class_funcs_set(Eobj_Class *klass, const Eobj_Op_Func_Description *func_descs)
522 const Eobj_Op_Func_Description *itr;
526 for ( ; itr->op != 0 ; itr++)
528 dich_func_set(klass, itr->op, itr->func);
534 eobj_class_new(const Eobj_Class_Description *desc, const Eobj_Class *parent, ...)
539 va_start(p_list, parent);
541 #define _CLS_NEW_CHECK(x) \
546 ERR("%s can't be NULL! Aborting.", #x); \
552 _CLS_NEW_CHECK(desc);
553 _CLS_NEW_CHECK(desc->name);
555 klass = calloc(1, sizeof(Eobj_Class));
556 klass->parent = parent;
557 klass->class_id = ++_eobj_classes_last_id;
559 /* FIXME: Handle errors. */
561 tmp = realloc(_eobj_classes, _eobj_classes_last_id * sizeof(*_eobj_classes));
563 _eobj_classes[klass->class_id - 1] = klass;
566 /* Handle class extensions */
568 Eobj_Class *extn = NULL;
570 extn = va_arg(p_list, Eobj_Class *);
573 switch (extn->desc->type)
575 case EOBJ_CLASS_TYPE_REGULAR:
576 case EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT:
577 /* Use it like an interface. */
578 case EOBJ_CLASS_TYPE_INTERFACE:
580 case EOBJ_CLASS_TYPE_MIXIN:
582 Eobj_Extension_Node *node = calloc(1, sizeof(*node));
585 eina_inlist_append(klass->extensions,
586 EINA_INLIST_GET(node));
591 extn = va_arg(p_list, Eobj_Class *);
597 /* If we have a class parent, update the current offset. */
600 /* FIXME: Make sure this alignment is enough. */
601 klass->data_offset = klass->parent->data_offset +
602 klass->parent->desc->private_size +
604 (klass->parent->desc->private_size % sizeof(void *)));
607 _eobj_class_base_op_init(klass);
609 /* FIXME: Shouldn't be called here - should be called from eobj_add. */
610 _eobj_class_constructor(klass);
616 #undef _CLS_NEW_CHECK
619 eobj_class_free(Eobj_Class *klass)
621 if (klass->constructed)
623 if (klass->desc->class_destructor)
624 klass->desc->class_destructor(klass);
626 dich_func_clean_all(klass);
631 Eobj_Extension_Node *extn;
632 EINA_INLIST_FOREACH_SAFE(klass->extensions, itrn, extn)
644 eobj_add(const Eobj_Class *klass, Eobj *parent)
646 if (klass->desc->type != EOBJ_CLASS_TYPE_REGULAR)
648 ERR("Class '%s' is not instantiate-able. Aborting.", klass->desc->name);
652 Eobj *obj = calloc(1, sizeof(*obj));
654 obj->parent = parent;
658 obj->data_blob = calloc(1, klass->data_offset + klass->desc->private_size);
660 _eobj_kls_itr_init(obj);
661 eobj_class_constructor(obj, klass);
662 if (eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY))
664 ERR("Type '%s' - One of the object constructors have failed.", klass->desc->name);
668 if (!_eobj_kls_itr_reached_end(obj))
670 ERR("Type '%s' - Not all of the object constructors have been executed.", klass->desc->name);
673 _eobj_kls_itr_end(obj);
690 eobj_unref(Eobj *obj)
692 if (--(obj->refcount) == 0)
694 const Eobj_Class *klass = eobj_class_get(obj);
695 _eobj_kls_itr_init(obj);
696 eobj_class_destructor(obj, klass);
697 if (eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY))
699 ERR("Type '%s' - One of the object destructors have failed.", klass->desc->name);
702 if (!_eobj_kls_itr_reached_end(obj))
704 ERR("Type '%s' - Not all of the object destructors have been executed.", klass->desc->name);
706 _eobj_kls_itr_end(obj);
707 /*FIXME: add eobj_class_unref(klass) ? - just to clear the caches. */
709 /* If for some reason it's not empty, clear it. */
710 eina_list_free(obj->kls_itr);
712 Eina_List *itr, *itr_n;
714 EINA_LIST_FOREACH_SAFE(obj->composite_objects, itr, itr_n, emb_obj)
717 obj->composite_objects =
718 eina_list_remove_list(obj->composite_objects, itr);
721 _eobj_callback_remove_all(obj);
724 free(obj->data_blob);
726 _eobj_generic_data_del_all(obj);
733 eobj_ref_get(const Eobj *obj)
735 return obj->refcount;
741 obj->delete = EINA_TRUE;
746 eobj_parent_get(Eobj *obj)
752 eobj_constructor_error_set(Eobj *obj)
754 eobj_generic_data_set(obj, CONSTRUCT_ERROR_KEY, (void *) EINA_TRUE);
758 eobj_constructor_error_get(const Eobj *obj)
760 return (intptr_t) eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY);
764 _eobj_constructor_default(Eobj *obj)
766 eobj_constructor_super(obj);
770 _eobj_destructor_default(Eobj *obj)
772 eobj_destructor_super(obj);
776 eobj_class_constructor(Eobj *obj, const Eobj_Class *klass)
781 if (klass->desc->constructor)
782 klass->desc->constructor(obj);
784 _eobj_constructor_default(obj);
788 eobj_class_destructor(Eobj *obj, const Eobj_Class *klass)
793 if (klass->desc->destructor)
794 klass->desc->destructor(obj);
796 _eobj_destructor_default(obj);
800 eobj_constructor_super(Eobj *obj)
802 eobj_class_constructor(obj, _eobj_kls_itr_next(obj));
806 eobj_destructor_super(Eobj *obj)
808 eobj_class_destructor(obj, _eobj_kls_itr_next(obj));
812 eobj_data_get(Eobj *obj, const Eobj_Class *klass)
814 /* FIXME: Add a check that this is of the right klass and we don't seg.
815 * Probably just return NULL. */
816 return ((char *) obj->data_blob) + klass->data_offset;
822 Eina_Stringshare *key;
824 } Eobj_Generic_Data_Node;
827 _eobj_generic_data_node_free(Eobj_Generic_Data_Node *node)
829 eina_stringshare_del(node->key);
834 _eobj_generic_data_del_all(Eobj *obj)
837 Eobj_Generic_Data_Node *node;
839 EINA_INLIST_FOREACH_SAFE(obj->generic_data, nnode, node)
841 obj->generic_data = eina_inlist_remove(obj->generic_data,
842 EINA_INLIST_GET(node));
844 _eobj_generic_data_node_free(node);
849 eobj_generic_data_set(Eobj *obj, const char *key, const void *data)
852 Eobj_Generic_Data_Node *node;
854 if (!key) return NULL;
855 if (!data) return NULL;
857 prev_data = eobj_generic_data_del(obj, key);
859 node = malloc(sizeof(Eobj_Generic_Data_Node));
860 node->key = eina_stringshare_add(key);
861 node->data = (void *) data;
862 obj->generic_data = eina_inlist_prepend(obj->generic_data,
863 EINA_INLIST_GET(node));
869 eobj_generic_data_get(const Eobj *obj, const char *key)
871 Eobj_Generic_Data_Node *node;
873 if (!key) return NULL;
875 EINA_INLIST_FOREACH(obj->generic_data, node)
877 if (!strcmp(node->key, key))
879 ((Eobj *) obj)->generic_data =
880 eina_inlist_promote(obj->generic_data, EINA_INLIST_GET(node));
888 eobj_generic_data_del(Eobj *obj, const char *key)
890 Eobj_Generic_Data_Node *node;
892 if (!key) return NULL;
894 EINA_INLIST_FOREACH(obj->generic_data, node)
896 if (!strcmp(node->key, key))
901 obj->generic_data = eina_inlist_remove(obj->generic_data,
902 EINA_INLIST_GET(node));
903 _eobj_generic_data_node_free(node);
913 if (_eobj_init_count++ > 0)
918 _eobj_classes = NULL;
919 _eobj_classes_last_id = 0;
920 _eobj_log_dom = eina_log_domain_register("eobj", EINA_COLOR_LIGHTBLUE);
921 if (_eobj_log_dom < 0)
923 EINA_LOG_ERR("Could not register log domain: eobj");
934 Eobj_Class **cls_itr = _eobj_classes;
936 if (--_eobj_init_count > 0)
939 for (i = 0 ; i < _eobj_classes_last_id ; i++, cls_itr++)
942 eobj_class_free(*cls_itr);
948 eina_log_domain_unregister(_eobj_log_dom);
956 eobj_composite_object_attach(Eobj *obj, Eobj *emb_obj)
959 obj->composite_objects = eina_list_prepend(obj->composite_objects, emb_obj);
963 eobj_composite_object_detach(Eobj *obj, Eobj *emb_obj)
965 obj->composite_objects = eina_list_remove(obj->composite_objects, emb_obj);
970 eobj_composite_is(Eobj *emb_obj)
972 Eobj *obj = eobj_parent_get(emb_obj);
975 EINA_LIST_FOREACH(obj->composite_objects, itr, tmp)
985 struct _Eobj_Callback_Description
988 const Eobj_Event_Description *event;
991 Eobj_Callback_Priority priority;
992 Eina_Bool delete_me : 1;
995 /* Actually remove, doesn't care about walking list, or delete_me */
997 _eobj_callback_remove(Eobj *obj, Eobj_Callback_Description *cb)
999 obj->callbacks = eina_inlist_remove(obj->callbacks,
1000 EINA_INLIST_GET(cb));
1004 /* Actually remove, doesn't care about walking list, or delete_me */
1006 _eobj_callback_remove_all(Eobj *obj)
1009 Eobj_Callback_Description *cb;
1010 EINA_INLIST_FOREACH_SAFE(obj->callbacks, initr, cb)
1012 _eobj_callback_remove(obj, cb);
1017 _eobj_callbacks_clear(Eobj *obj)
1020 Eobj_Callback_Description *cb;
1022 /* Abort if we are currently walking the list. */
1023 if (obj->walking_list > 0)
1026 EINA_INLIST_FOREACH_SAFE(obj->callbacks, itn, cb)
1030 _eobj_callback_remove(obj, cb);
1036 _callback_priority_cmp(const void *_a, const void *_b)
1038 const Eobj_Callback_Description *a, *b;
1039 a = (const Eobj_Callback_Description *) _a;
1040 b = (const Eobj_Callback_Description *) _b;
1041 if (a->priority < b->priority)
1048 eobj_event_callback_add(Eobj *obj,
1049 const Eobj_Event_Description *desc,
1053 return eobj_event_callback_priority_add(obj, desc,
1054 EOBJ_CALLBACK_PRIORITY_DEFAULT, cb, data);
1058 eobj_event_callback_priority_add(Eobj *obj,
1059 const Eobj_Event_Description *desc,
1060 Eobj_Callback_Priority priority,
1064 Eobj_Callback_Description *cb = calloc(1, sizeof(*cb));
1067 cb->func_data = (void *) data;
1068 cb->priority = priority;
1069 obj->callbacks = eina_inlist_sorted_insert(obj->callbacks,
1070 EINA_INLIST_GET(cb), _callback_priority_cmp);
1072 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_ADD, desc);
1078 eobj_event_callback_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func)
1081 Eobj_Callback_Description *cb;
1082 EINA_INLIST_FOREACH(obj->callbacks, cb)
1084 if ((cb->event == desc) && (cb->func == func))
1088 data = cb->func_data;
1089 cb->delete_me = EINA_TRUE;
1090 _eobj_callbacks_clear(obj);
1097 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_DEL, desc);
1102 eobj_event_callback_del_full(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func, const void *user_data)
1105 Eobj_Callback_Description *cb;
1106 EINA_INLIST_FOREACH(obj->callbacks, cb)
1108 if ((cb->event == desc) && (cb->func == func) &&
1109 (cb->func_data == user_data))
1113 data = cb->func_data;
1114 cb->delete_me = EINA_TRUE;
1115 _eobj_callbacks_clear(obj);
1122 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_DEL, desc);
1127 eobj_event_callback_call(Eobj *obj, const Eobj_Event_Description *desc,
1128 const void *event_info)
1130 Eobj_Callback_Description *cb;
1132 obj->walking_list++;
1134 EINA_INLIST_FOREACH(obj->callbacks, cb)
1136 if (!cb->delete_me && (cb->event == desc))
1138 /* Abort callback calling if the func says so. */
1139 if (!cb->func((void *) cb->func_data, obj, desc,
1140 (void *) event_info))
1148 obj->walking_list--;
1149 _eobj_callbacks_clear(obj);
1155 _eobj_event_forwarder_callback(void *data, Eobj *obj, const Eobj_Event_Description *desc, void *event_info)
1158 Eobj *new_obj = (Eobj *) data;
1159 return eobj_event_callback_call(new_obj, desc, event_info);
1162 /* FIXME: Change default priority? Maybe call later? */
1164 eobj_event_callback_forwarder_add(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1166 return eobj_event_callback_add(obj, desc, _eobj_event_forwarder_callback, new_obj);
1170 eobj_event_callback_forwarder_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1172 eobj_event_callback_del_full(obj, desc, _eobj_event_forwarder_callback, new_obj);
1176 /* EOBJ_CLASS_BASE stuff */
1177 static Eobj_Class *_my_class = NULL;
1179 /* FIXME: Set proper type descriptions. */
1180 EAPI const Eobj_Event_Description _EOBJ_SIG_CALLBACK_ADD =
1181 EOBJ_EVENT_DESCRIPTION("callback,add", "?", "Called when a callback was added.");
1182 EAPI const Eobj_Event_Description _EOBJ_SIG_CALLBACK_DEL =
1183 EOBJ_EVENT_DESCRIPTION("callback,del", "?", "Called when a callback was deleted.");
1186 _constructor(Eobj *obj)
1188 DBG("%p - %s.", obj, _my_class->desc->name);
1192 _destructor(Eobj *obj)
1194 DBG("%p - %s.", obj, _my_class->desc->name);
1197 EAPI const Eobj_Class *
1198 eobj_base_class_get(void)
1200 if (_my_class) return _my_class;
1202 static const Eobj_Class_Description class_desc = {
1204 EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT,
1205 EOBJ_CLASS_DESCRIPTION_OPS(NULL, NULL, 0),
1214 return _my_class = eobj_class_new(&class_desc, NULL, NULL);