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;
51 Eina_List *composite_objects;
53 Eina_Inlist *callbacks;
56 Eina_Inlist *generic_data;
58 const Eobj_Class **kls_itr;
65 /* Dich search, split to 0xff 0xff 0xffff */
67 #define DICH_CHAIN1_MASK (0xff)
68 #define DICH_CHAIN2_MASK (0xff)
69 #define DICH_CHAIN_LAST_MASK (0xffff)
70 #define DICH_CHAIN1_SIZE (DICH_CHAIN1_MASK + 1)
71 #define DICH_CHAIN2_SIZE (DICH_CHAIN2_MASK + 1)
72 #define DICH_CHAIN_LAST_SIZE (DICH_CHAIN_LAST_MASK + 1)
73 #define DICH_CHAIN1(x) (((x) >> 24) & DICH_CHAIN1_MASK)
74 #define DICH_CHAIN2(x) (((x) >> 16) & DICH_CHAIN2_MASK)
75 #define DICH_CHAIN_LAST(x) ((x) & DICH_CHAIN_LAST_MASK)
77 #define OP_CLASS_OFFSET 16
78 #define OP_CLASS_OFFSET_GET(x) (((x) >> OP_CLASS_OFFSET) & 0xffff)
79 #define OP_CLASS_GET(op) ({ \
80 Eobj_Class_Id tmp = OP_CLASS_OFFSET_GET(op); \
81 (Eobj_Class *) ((tmp <= _eobj_classes_last_id) && (tmp > 0)) ? \
82 (_eobj_classes[tmp - 1]) : NULL; \
85 /* Structure of Eobj_Op is:
90 typedef struct _Dich_Chain1 Dich_Chain1;
94 eobj_op_func_type func;
110 const Eobj_Class *klass;
111 } Eobj_Extension_Node;
115 Eobj_Class_Id class_id;
116 const Eobj_Class *parent;
117 const Eobj_Class_Description *desc;
118 Dich_Chain1 chain[DICH_CHAIN1_SIZE];
119 Eina_Inlist *extensions;
121 const Eobj_Class **mro;
123 Eina_Bool constructed : 1;
126 static inline eobj_op_func_type
127 dich_func_get(const Eobj_Class *klass, Eobj_Op op)
129 const Dich_Chain1 *chain1 = &klass->chain[DICH_CHAIN1(op)];
130 if (!chain1) return NULL;
131 if (!chain1->chain) return NULL;
132 Dich_Chain2 *chain2 = &chain1->chain[DICH_CHAIN2(op)];
133 if (!chain2) return NULL;
134 if (!chain2->funcs) return NULL;
136 /* num_ops is calculated from the class. */
137 const Eobj_Class *op_klass = OP_CLASS_GET(op);
138 if (!op_klass || (DICH_CHAIN_LAST(op) >= op_klass->desc->ops.count))
141 return chain2->funcs[DICH_CHAIN_LAST(op)].func;
145 dich_func_set(Eobj_Class *klass, Eobj_Op op, eobj_op_func_type func)
147 const Eobj_Class *op_klass = OP_CLASS_GET(op);
150 /* Verify op is valid. */
153 /* num_ops is calculated from the class. */
154 num_ops = op_klass->desc->ops.count;
155 if (DICH_CHAIN_LAST(op) >= num_ops)
157 ERR("OP %x is too big for the domain '%s', expected value < %x.",
158 op, op_klass->desc->name, op_klass->desc->ops.count);
163 ERR("OP %x is from an illegal class.", op);
167 Dich_Chain1 *chain1 = &klass->chain[DICH_CHAIN1(op)];
170 klass->chain[DICH_CHAIN1(op)].chain =
172 calloc(DICH_CHAIN2_SIZE, sizeof(*(chain1->chain)));
175 Dich_Chain2 *chain2 = &chain1->chain[DICH_CHAIN2(op)];
178 chain2->funcs = chain1->chain[DICH_CHAIN2(op)].funcs =
179 calloc(num_ops, sizeof(*(chain2->funcs)));
182 chain2->funcs[DICH_CHAIN_LAST(op)].func = func;
186 dich_func_clean_all(Eobj_Class *klass)
189 Dich_Chain1 *chain1 = klass->chain;
191 for (i = 0 ; i < DICH_CHAIN1_SIZE ; i++, chain1++)
194 Dich_Chain2 *chain2 = chain1->chain;
199 for (j = 0 ; j < DICH_CHAIN2_SIZE ; j++, chain2++)
204 chain1->chain = NULL;
211 _eobj_kls_itr_init(Eobj *obj)
213 obj->kls_itr = obj->klass->mro;
217 _eobj_kls_itr_end(Eobj *obj)
222 static inline const Eobj_Class *
223 _eobj_kls_itr_next(Eobj *obj)
226 return *++(obj->kls_itr);
231 static inline Eina_Bool
232 _eobj_kls_itr_reached_end(const Eobj *obj)
234 return !(*obj->kls_itr && *(obj->kls_itr + 1));
237 /* FIXME: Decide if it should be fast, and if so, add a mapping.
238 * Otherwise, this is very slow. But since it's only for debugging... */
239 static const Eobj_Op_Description *
240 _eobj_op_id_desc_get(Eobj_Op op)
243 Eobj_Class **cls_itr = _eobj_classes;
245 for (i = 0 ; i < _eobj_classes_last_id ; i++, cls_itr++)
249 const Eobj_Op_Description *desc = (*cls_itr)->desc->ops.descs;
253 Eobj_Op base_op_id = *(*cls_itr)->desc->ops.base_op_id;
256 if ((base_op_id + desc->sub_op) == op)
267 _eobj_op_internal(Eobj *obj, const Eobj_Class *obj_klass, Eobj_Op op, va_list *p_list, Eina_Bool recursive)
269 const Eobj_Class *klass = obj_klass;
270 eobj_op_func_type func;
277 func = dich_func_get(klass, op);
281 func(obj, op, p_list);
286 klass = klass->parent;
296 /* FIXME: Should probably flatten everything. to be faster. */
299 Eobj_Extension_Node *itr;
300 EINA_INLIST_FOREACH(klass->extensions, itr)
302 if (_eobj_op_internal(obj, itr->klass, op, p_list, recursive))
309 /* Try composite objects */
313 EINA_LIST_FOREACH(obj->composite_objects, itr, emb_obj)
315 if (_eobj_op_internal(emb_obj, eobj_class_get(emb_obj), op, p_list, recursive))
322 /* If haven't found anything, return FALSE */
329 static inline Eina_Bool
330 _eobj_ops_internal(Eobj *obj, const Eobj_Class *obj_klass, va_list *p_list)
332 Eina_Bool ret = EINA_TRUE;
335 op = va_arg(*p_list, Eobj_Op);
338 if (!_eobj_op_internal(obj, obj_klass, op, p_list, EINA_TRUE))
340 const Eobj_Op_Description *desc = _eobj_op_id_desc_get(op);
341 const char *_id_name = (desc) ? desc->name : NULL;
342 const Eobj_Class *op_klass = OP_CLASS_GET(op);
343 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
344 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
345 op, _id_name, _dom_name,
346 obj_klass->desc->name);
350 op = va_arg(*p_list, Eobj_Op);
357 eobj_do_internal(Eobj *obj, ...)
361 va_start(p_list, obj);
362 _eobj_kls_itr_init(obj);
363 ret = _eobj_ops_internal(obj, eobj_class_get(obj), &p_list);
364 _eobj_kls_itr_end(obj);
370 eobj_super_do(Eobj *obj, Eobj_Op op, ...)
372 const Eobj_Class *obj_klass = _eobj_kls_itr_next(obj);
373 if (!obj_klass) return EINA_TRUE;
375 Eina_Bool ret = EINA_TRUE;
377 va_start(p_list, op);
378 if (!_eobj_op_internal(obj, obj_klass, op, &p_list, EINA_FALSE))
380 const Eobj_Op_Description *desc = _eobj_op_id_desc_get(op);
381 const char *_id_name = (desc) ? desc->name : NULL;
382 const Eobj_Class *op_klass = OP_CLASS_GET(op);
383 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
384 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
385 op, _id_name, _dom_name,
386 obj_klass->desc->name);
393 EAPI const Eobj_Class *
394 eobj_class_get(Eobj *obj)
399 EAPI const Eobj_Class *
400 eobj_class_parent_get(const Eobj_Class *klass)
402 return klass->parent;
406 eobj_class_name_get(const Eobj_Class *klass)
408 return klass->desc->name;
412 _eobj_class_base_op_init(Eobj_Class *klass)
414 const Eobj_Class_Description *desc = klass->desc;
415 if (!desc || !desc->ops.base_op_id)
418 /* FIXME: Depends on values defined above! */
419 *(desc->ops.base_op_id) = klass->class_id << OP_CLASS_OFFSET;
423 _eobj_class_mro_add(Eina_List *mro, const Eobj_Class *klass)
428 mro = eina_list_append(mro, klass);
431 Eobj_Extension_Node *extn;
432 EINA_INLIST_FOREACH(klass->extensions, extn)
434 mro = _eobj_class_mro_add(mro, extn->klass);
438 mro = _eobj_class_mro_add(mro, klass->parent);
444 _eobj_class_mro_init(Eobj_Class *klass)
446 Eina_List *mro = NULL;
448 DBG("Started creating MRO for class '%s'", klass->desc->name);
449 mro = _eobj_class_mro_add(mro, klass);
452 Eina_List *itr1, *itr2, *itr2n;
454 itr1 = eina_list_last(mro);
457 itr2 = eina_list_prev(itr1);
461 itr2n = eina_list_prev(itr2);
463 if (eina_list_data_get(itr1) == eina_list_data_get(itr2))
465 mro = eina_list_remove_list(mro, itr2);
471 itr1 = eina_list_prev(itr1);
475 /* Copy the mro and free the list. */
477 const Eobj_Class *kls_itr;
478 const Eobj_Class **mro_itr;
479 klass->mro = calloc(sizeof(*klass->mro), eina_list_count(mro) + 1);
481 mro_itr = klass->mro;
483 EINA_LIST_FREE(mro, kls_itr)
485 *(mro_itr++) = kls_itr;
487 DBG("Added '%s' to MRO", kls_itr->desc->name);
492 DBG("Finished creating MRO for class '%s'", klass->desc->name);
496 _eobj_class_constructor(Eobj_Class *klass)
498 if (klass->constructed)
501 klass->constructed = EINA_TRUE;
503 if (klass->desc->class_constructor)
504 klass->desc->class_constructor(klass);
506 _eobj_class_mro_init(klass);
510 eobj_class_funcs_set(Eobj_Class *klass, const Eobj_Op_Func_Description *func_descs)
512 const Eobj_Op_Func_Description *itr;
516 for ( ; itr->op != 0 ; itr++)
518 dich_func_set(klass, itr->op, itr->func);
524 eobj_class_new(const Eobj_Class_Description *desc, const Eobj_Class *parent, ...)
529 va_start(p_list, parent);
531 #define _CLS_NEW_CHECK(x) \
536 ERR("%s can't be NULL! Aborting.", #x); \
542 _CLS_NEW_CHECK(desc);
543 _CLS_NEW_CHECK(desc->name);
545 klass = calloc(1, sizeof(Eobj_Class));
546 klass->parent = parent;
547 klass->class_id = ++_eobj_classes_last_id;
549 /* FIXME: Handle errors. */
551 tmp = realloc(_eobj_classes, _eobj_classes_last_id * sizeof(*_eobj_classes));
553 _eobj_classes[klass->class_id - 1] = klass;
556 /* Handle class extensions */
558 Eobj_Class *extn = NULL;
560 extn = va_arg(p_list, Eobj_Class *);
563 switch (extn->desc->type)
565 case EOBJ_CLASS_TYPE_REGULAR:
566 case EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT:
567 /* Use it like an interface. */
568 case EOBJ_CLASS_TYPE_INTERFACE:
570 case EOBJ_CLASS_TYPE_MIXIN:
572 Eobj_Extension_Node *node = calloc(1, sizeof(*node));
575 eina_inlist_append(klass->extensions,
576 EINA_INLIST_GET(node));
581 extn = va_arg(p_list, Eobj_Class *);
586 _eobj_class_base_op_init(klass);
588 /* FIXME: Shouldn't be called here - should be called from eobj_add. */
589 _eobj_class_constructor(klass);
595 #undef _CLS_NEW_CHECK
598 eobj_class_free(Eobj_Class *klass)
600 if (klass->constructed)
602 if (klass->desc->class_destructor)
603 klass->desc->class_destructor(klass);
605 dich_func_clean_all(klass);
610 Eobj_Extension_Node *extn;
611 EINA_INLIST_FOREACH_SAFE(klass->extensions, itrn, extn)
622 /* FIXME: Do I still need count parents? */
624 _eobj_class_count_parents(const Eobj_Class *klass)
628 for (count = 0 ; klass->parent ; klass = klass->parent)
635 eobj_add(const Eobj_Class *klass, Eobj *parent)
637 if (klass->desc->type != EOBJ_CLASS_TYPE_REGULAR)
639 ERR("Class '%s' is not instantiate-able. Aborting.", klass->desc->name);
643 Eobj *obj = calloc(1, sizeof(*obj));
645 obj->parent = parent;
649 size_t datas_count = 0;
652 const Eobj_Class *kls_itr;
654 datas_count = _eobj_class_count_parents(klass) + 1;
656 obj->datas = calloc(datas_count, sizeof(*(obj->datas)));
658 /* Calculate all the offsets and set in the datas array. */
659 pvt_itr = obj->datas + datas_count - 1;
660 for (kls_itr = klass ; kls_itr->parent ; kls_itr = kls_itr->parent)
662 *pvt_itr = (void *) offset;
664 /* FIXME: Make sure this alignment is enough. */
665 offset += kls_itr->desc->private_size +
667 (kls_itr->desc->private_size % sizeof(void *)));
671 /* Allocate the datas blob and update the offsets. */
672 obj->data_blob = calloc(1, offset);
674 pvt_itr = obj->datas;
675 for (i = 0 ; i < datas_count ; i++)
677 *pvt_itr = ((char *) obj->data_blob) + (intptr_t) *pvt_itr;
683 _eobj_kls_itr_init(obj);
684 eobj_class_constructor(obj, klass);
685 if (eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY))
687 ERR("Type '%s' - One of the object constructors have failed.", klass->desc->name);
691 if (!_eobj_kls_itr_reached_end(obj))
693 ERR("Type '%s' - Not all of the object constructors have been executed.", klass->desc->name);
696 _eobj_kls_itr_end(obj);
713 eobj_unref(Eobj *obj)
715 if (--(obj->refcount) == 0)
717 const Eobj_Class *klass = eobj_class_get(obj);
718 _eobj_kls_itr_init(obj);
719 eobj_class_destructor(obj, klass);
720 if (eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY))
722 ERR("Type '%s' - One of the object destructors have failed.", klass->desc->name);
725 if (!_eobj_kls_itr_reached_end(obj))
727 ERR("Type '%s' - Not all of the object destructors have been executed.", klass->desc->name);
729 _eobj_kls_itr_end(obj);
730 /*FIXME: add eobj_class_unref(klass) ? - just to clear the caches. */
732 Eina_List *itr, *itr_n;
734 EINA_LIST_FOREACH_SAFE(obj->composite_objects, itr, itr_n, emb_obj)
737 obj->composite_objects =
738 eina_list_remove_list(obj->composite_objects, itr);
741 _eobj_callback_remove_all(obj);
744 free(obj->data_blob);
747 _eobj_generic_data_del_all(obj);
756 obj->delete = EINA_TRUE;
761 eobj_parent_get(Eobj *obj)
767 eobj_constructor_error_set(Eobj *obj)
769 eobj_generic_data_set(obj, CONSTRUCT_ERROR_KEY, (void *) EINA_TRUE);
773 eobj_constructor_error_get(const Eobj *obj)
775 return (intptr_t) eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY);
779 _eobj_constructor_default(Eobj *obj)
781 eobj_constructor_super(obj);
785 _eobj_destructor_default(Eobj *obj)
787 eobj_destructor_super(obj);
791 eobj_class_constructor(Eobj *obj, const Eobj_Class *klass)
796 if (klass->desc->constructor)
797 klass->desc->constructor(obj);
799 _eobj_constructor_default(obj);
803 eobj_class_destructor(Eobj *obj, const Eobj_Class *klass)
808 if (klass->desc->destructor)
809 klass->desc->destructor(obj);
811 _eobj_destructor_default(obj);
815 eobj_constructor_super(Eobj *obj)
817 eobj_class_constructor(obj, _eobj_kls_itr_next(obj));
821 eobj_destructor_super(Eobj *obj)
823 eobj_class_destructor(obj, _eobj_kls_itr_next(obj));
827 eobj_data_get(Eobj *obj, const Eobj_Class *klass)
829 /* FIXME: Add a check that this is of the right klass and we don't seg.
830 * Probably just return NULL. */
831 return obj->datas[_eobj_class_count_parents(klass)];
837 Eina_Stringshare *key;
839 } Eobj_Generic_Data_Node;
842 _eobj_generic_data_node_free(Eobj_Generic_Data_Node *node)
844 eina_stringshare_del(node->key);
849 _eobj_generic_data_del_all(Eobj *obj)
852 Eobj_Generic_Data_Node *node;
854 EINA_INLIST_FOREACH_SAFE(obj->generic_data, nnode, node)
856 obj->generic_data = eina_inlist_remove(obj->generic_data,
857 EINA_INLIST_GET(node));
859 _eobj_generic_data_node_free(node);
864 eobj_generic_data_set(Eobj *obj, const char *key, const void *data)
867 Eobj_Generic_Data_Node *node;
869 if (!key) return NULL;
870 if (!data) return NULL;
872 prev_data = eobj_generic_data_del(obj, key);
874 node = malloc(sizeof(Eobj_Generic_Data_Node));
875 node->key = eina_stringshare_add(key);
876 node->data = (void *) data;
877 obj->generic_data = eina_inlist_prepend(obj->generic_data,
878 EINA_INLIST_GET(node));
884 eobj_generic_data_get(const Eobj *obj, const char *key)
886 Eobj_Generic_Data_Node *node;
888 if (!key) return NULL;
890 EINA_INLIST_FOREACH(obj->generic_data, node)
892 if (!strcmp(node->key, key))
894 ((Eobj *) obj)->generic_data =
895 eina_inlist_promote(obj->generic_data, EINA_INLIST_GET(node));
903 eobj_generic_data_del(Eobj *obj, const char *key)
905 Eobj_Generic_Data_Node *node;
907 if (!key) return NULL;
909 EINA_INLIST_FOREACH(obj->generic_data, node)
911 if (!strcmp(node->key, key))
916 obj->generic_data = eina_inlist_remove(obj->generic_data,
917 EINA_INLIST_GET(node));
918 _eobj_generic_data_node_free(node);
928 if (_eobj_init_count++ > 0)
933 _eobj_classes = NULL;
934 _eobj_classes_last_id = 0;
935 _eobj_log_dom = eina_log_domain_register("eobj", EINA_COLOR_LIGHTBLUE);
936 if (_eobj_log_dom < 0)
938 EINA_LOG_ERR("Could not register log domain: eobj");
949 Eobj_Class **cls_itr = _eobj_classes;
951 if (--_eobj_init_count > 0)
954 for (i = 0 ; i < _eobj_classes_last_id ; i++, cls_itr++)
957 eobj_class_free(*cls_itr);
963 eina_log_domain_unregister(_eobj_log_dom);
971 eobj_composite_object_attach(Eobj *obj, Eobj *emb_obj)
974 obj->composite_objects = eina_list_prepend(obj->composite_objects, emb_obj);
978 eobj_composite_object_detach(Eobj *obj, Eobj *emb_obj)
980 obj->composite_objects = eina_list_remove(obj->composite_objects, emb_obj);
985 eobj_composite_is(Eobj *emb_obj)
987 Eobj *obj = eobj_parent_get(emb_obj);
990 EINA_LIST_FOREACH(obj->composite_objects, itr, tmp)
1000 struct _Eobj_Callback_Description
1003 const Eobj_Event_Description *event;
1006 Eobj_Callback_Priority priority;
1007 Eina_Bool delete_me : 1;
1010 /* Actually remove, doesn't care about walking list, or delete_me */
1012 _eobj_callback_remove(Eobj *obj, Eobj_Callback_Description *cb)
1014 obj->callbacks = eina_inlist_remove(obj->callbacks,
1015 EINA_INLIST_GET(cb));
1019 /* Actually remove, doesn't care about walking list, or delete_me */
1021 _eobj_callback_remove_all(Eobj *obj)
1024 Eobj_Callback_Description *cb;
1025 EINA_INLIST_FOREACH_SAFE(obj->callbacks, initr, cb)
1027 _eobj_callback_remove(obj, cb);
1032 _eobj_callbacks_clear(Eobj *obj)
1035 Eobj_Callback_Description *cb;
1037 /* Abort if we are currently walking the list. */
1038 if (obj->walking_list > 0)
1041 EINA_INLIST_FOREACH_SAFE(obj->callbacks, itn, cb)
1045 _eobj_callback_remove(obj, cb);
1051 _callback_priority_cmp(const void *_a, const void *_b)
1053 const Eobj_Callback_Description *a, *b;
1054 a = (const Eobj_Callback_Description *) _a;
1055 b = (const Eobj_Callback_Description *) _b;
1056 if (a->priority < b->priority)
1063 eobj_event_callback_add(Eobj *obj,
1064 const Eobj_Event_Description *desc,
1068 return eobj_event_callback_priority_add(obj, desc,
1069 EOBJ_CALLBACK_PRIORITY_DEFAULT, cb, data);
1073 eobj_event_callback_priority_add(Eobj *obj,
1074 const Eobj_Event_Description *desc,
1075 Eobj_Callback_Priority priority,
1079 Eobj_Callback_Description *cb = calloc(1, sizeof(*cb));
1082 cb->func_data = (void *) data;
1083 cb->priority = priority;
1084 obj->callbacks = eina_inlist_sorted_insert(obj->callbacks,
1085 EINA_INLIST_GET(cb), _callback_priority_cmp);
1087 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_ADD, desc);
1093 eobj_event_callback_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func)
1096 Eobj_Callback_Description *cb;
1097 EINA_INLIST_FOREACH(obj->callbacks, cb)
1099 if ((cb->event == desc) && (cb->func == func))
1103 data = cb->func_data;
1104 cb->delete_me = EINA_TRUE;
1105 _eobj_callbacks_clear(obj);
1112 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_DEL, desc);
1117 eobj_event_callback_del_full(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func, const void *user_data)
1120 Eobj_Callback_Description *cb;
1121 EINA_INLIST_FOREACH(obj->callbacks, cb)
1123 if ((cb->event == desc) && (cb->func == func) &&
1124 (cb->func_data == user_data))
1128 data = cb->func_data;
1129 cb->delete_me = EINA_TRUE;
1130 _eobj_callbacks_clear(obj);
1137 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_DEL, desc);
1142 eobj_event_callback_call(Eobj *obj, const Eobj_Event_Description *desc,
1143 const void *event_info)
1145 Eobj_Callback_Description *cb;
1147 obj->walking_list++;
1149 EINA_INLIST_FOREACH(obj->callbacks, cb)
1151 if (!cb->delete_me && (cb->event == desc))
1153 /* Abort callback calling if the func says so. */
1154 if (!cb->func((void *) cb->func_data, obj, desc,
1155 (void *) event_info))
1163 obj->walking_list--;
1164 _eobj_callbacks_clear(obj);
1170 _eobj_event_forwarder_callback(void *data, Eobj *obj, const Eobj_Event_Description *desc, void *event_info)
1173 Eobj *new_obj = (Eobj *) data;
1174 return eobj_event_callback_call(new_obj, desc, event_info);
1177 /* FIXME: Change default priority? Maybe call later? */
1179 eobj_event_callback_forwarder_add(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1181 return eobj_event_callback_add(obj, desc, _eobj_event_forwarder_callback, new_obj);
1185 eobj_event_callback_forwarder_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1187 eobj_event_callback_del_full(obj, desc, _eobj_event_forwarder_callback, new_obj);
1191 /* EOBJ_CLASS_BASE stuff */
1192 static Eobj_Class *_my_class = NULL;
1194 /* FIXME: Set proper type descriptions. */
1195 EAPI const Eobj_Event_Description _EOBJ_SIG_CALLBACK_ADD =
1196 EOBJ_EVENT_DESCRIPTION("callback,add", "?", "Called when a callback was added.");
1197 EAPI const Eobj_Event_Description _EOBJ_SIG_CALLBACK_DEL =
1198 EOBJ_EVENT_DESCRIPTION("callback,del", "?", "Called when a callback was deleted.");
1201 _constructor(Eobj *obj)
1203 DBG("%p - %s.", obj, _my_class->desc->name);
1207 _destructor(Eobj *obj)
1209 DBG("%p - %s.", obj, _my_class->desc->name);
1212 EAPI const Eobj_Class *
1213 eobj_base_class_get(void)
1215 if (_my_class) return _my_class;
1217 static const Eobj_Class_Description class_desc = {
1219 EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT,
1220 EOBJ_CLASS_DESCRIPTION_OPS(NULL, NULL, 0),
1229 return _my_class = eobj_class_new(&class_desc, NULL, NULL);