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 Eina_Bool exists : 1; /* < True if already exists in class (incl parents). */
112 } Eobj_Extension_Node;
116 Eobj_Class_Id class_id;
117 const Eobj_Class *parent;
118 const Eobj_Class_Description *desc;
119 Dich_Chain1 chain[DICH_CHAIN1_SIZE];
120 Eina_Inlist *extensions;
122 const Eobj_Class **mro;
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 = obj->klass->mro;
217 /* FIXME: Decide if it should be fast, and if so, add a mapping.
218 * Otherwise, this is very slow. But since it's only for debugging... */
219 static const Eobj_Op_Description *
220 _eobj_op_id_desc_get(Eobj_Op op)
223 Eobj_Class **cls_itr = _eobj_classes;
225 for (i = 0 ; i < _eobj_classes_last_id ; i++, cls_itr++)
229 const Eobj_Op_Description *desc = (*cls_itr)->desc->ops.descs;
233 Eobj_Op base_op_id = *(*cls_itr)->desc->ops.base_op_id;
236 if ((base_op_id + desc->sub_op) == op)
247 _eobj_op_internal(Eobj *obj, const Eobj_Class *obj_klass, Eobj_Op op, va_list *p_list, Eina_Bool recursive)
249 const Eobj_Class *klass = obj_klass;
250 eobj_op_func_type func;
257 func = dich_func_get(klass, op);
261 func(obj, op, p_list);
266 klass = klass->parent;
276 /* FIXME: Should probably flatten everything. to be faster. */
279 Eobj_Extension_Node *itr;
280 EINA_INLIST_FOREACH(klass->extensions, itr)
282 if (_eobj_op_internal(obj, itr->klass, op, p_list, recursive))
289 /* Try composite objects */
293 EINA_LIST_FOREACH(obj->composite_objects, itr, emb_obj)
295 if (_eobj_op_internal(emb_obj, eobj_class_get(emb_obj), op, p_list, recursive))
302 /* If haven't found anything, return FALSE */
309 static inline Eina_Bool
310 _eobj_ops_internal(Eobj *obj, const Eobj_Class *obj_klass, va_list *p_list)
312 Eina_Bool ret = EINA_TRUE;
315 op = va_arg(*p_list, Eobj_Op);
318 if (!_eobj_op_internal(obj, obj_klass, op, p_list, EINA_TRUE))
320 const Eobj_Op_Description *desc = _eobj_op_id_desc_get(op);
321 const char *_id_name = (desc) ? desc->name : NULL;
322 const Eobj_Class *op_klass = OP_CLASS_GET(op);
323 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
324 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
325 op, _id_name, _dom_name,
326 obj_klass->desc->name);
330 op = va_arg(*p_list, Eobj_Op);
337 eobj_do_internal(Eobj *obj, ...)
341 va_start(p_list, obj);
342 _eobj_kls_itr_init(obj);
343 ret = _eobj_ops_internal(obj, eobj_class_get(obj), &p_list);
349 eobj_super_do(Eobj *obj, Eobj_Op op, ...)
351 const Eobj_Class *obj_klass = *++(obj->kls_itr);
352 Eina_Bool ret = EINA_TRUE;
354 va_start(p_list, op);
355 if (!_eobj_op_internal(obj, obj_klass, op, &p_list, EINA_FALSE))
357 const Eobj_Op_Description *desc = _eobj_op_id_desc_get(op);
358 const char *_id_name = (desc) ? desc->name : NULL;
359 const Eobj_Class *op_klass = OP_CLASS_GET(op);
360 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
361 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
362 op, _id_name, _dom_name,
363 obj_klass->desc->name);
370 EAPI const Eobj_Class *
371 eobj_class_get(Eobj *obj)
376 EAPI const Eobj_Class *
377 eobj_class_parent_get(const Eobj_Class *klass)
379 return klass->parent;
383 eobj_class_name_get(const Eobj_Class *klass)
385 return klass->desc->name;
389 _eobj_class_base_op_init(Eobj_Class *klass)
391 const Eobj_Class_Description *desc = klass->desc;
392 if (!desc || !desc->ops.base_op_id)
395 /* FIXME: Depends on values defined above! */
396 *(desc->ops.base_op_id) = klass->class_id << OP_CLASS_OFFSET;
400 _eobj_class_mro_add(Eina_List *mro, const Eobj_Class *klass)
405 mro = eina_list_append(mro, klass);
408 Eobj_Extension_Node *extn;
409 EINA_INLIST_FOREACH(klass->extensions, extn)
411 mro = _eobj_class_mro_add(mro, extn->klass);
415 mro = _eobj_class_mro_add(mro, klass->parent);
421 _eobj_class_mro_init(Eobj_Class *klass)
423 Eina_List *mro = NULL;
425 DBG("Started creating MRO for class '%s'", klass->desc->name);
426 mro = _eobj_class_mro_add(mro, klass);
429 Eina_List *itr1, *itr2, *itr2n;
431 itr1 = eina_list_last(mro);
434 itr2 = eina_list_prev(itr1);
438 itr2n = eina_list_prev(itr2);
440 if (eina_list_data_get(itr1) == eina_list_data_get(itr2))
442 mro = eina_list_remove_list(mro, itr2);
448 itr1 = eina_list_prev(itr1);
452 /* Copy the mro and free the list. */
454 const Eobj_Class *kls_itr;
455 const Eobj_Class **mro_itr;
456 klass->mro = calloc(sizeof(*klass->mro), eina_list_count(mro) + 1);
458 mro_itr = klass->mro;
460 EINA_LIST_FREE(mro, kls_itr)
462 *(mro_itr++) = kls_itr;
464 DBG("Added '%s' to MRO", kls_itr->desc->name);
469 DBG("Finished creating MRO for class '%s'", klass->desc->name);
473 _eobj_class_constructor(Eobj_Class *klass)
475 if (klass->constructed)
478 klass->constructed = EINA_TRUE;
480 if (klass->desc->class_constructor)
481 klass->desc->class_constructor(klass);
483 _eobj_class_mro_init(klass);
487 eobj_class_funcs_set(Eobj_Class *klass, const Eobj_Op_Func_Description *func_descs)
489 const Eobj_Op_Func_Description *itr;
493 for ( ; itr->op != 0 ; itr++)
495 dich_func_set(klass, itr->op, itr->func);
501 _eobj_class_extn_exists(const Eobj_Class *klass, const Eobj_Class *extn_cls)
505 Eobj_Extension_Node *extn;
506 EINA_INLIST_FOREACH(klass->extensions, extn)
508 if (extn->klass == extn_cls)
512 klass = klass->parent;
519 eobj_class_new(const Eobj_Class_Description *desc, const Eobj_Class *parent, ...)
524 va_start(p_list, parent);
526 #define _CLS_NEW_CHECK(x) \
531 ERR("%s can't be NULL! Aborting.", #x); \
537 _CLS_NEW_CHECK(desc);
538 _CLS_NEW_CHECK(desc->name);
540 klass = calloc(1, sizeof(Eobj_Class));
541 klass->parent = parent;
542 klass->class_id = ++_eobj_classes_last_id;
544 /* FIXME: Handle errors. */
546 tmp = realloc(_eobj_classes, _eobj_classes_last_id * sizeof(*_eobj_classes));
548 _eobj_classes[klass->class_id - 1] = klass;
551 /* Handle class extensions */
553 Eobj_Class *extn = NULL;
555 extn = va_arg(p_list, Eobj_Class *);
558 switch (extn->desc->type)
560 case EOBJ_CLASS_TYPE_REGULAR:
561 case EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT:
562 /* Use it like an interface. */
563 case EOBJ_CLASS_TYPE_INTERFACE:
565 case EOBJ_CLASS_TYPE_MIXIN:
567 Eobj_Extension_Node *node = calloc(1, sizeof(*node));
569 node->exists = _eobj_class_extn_exists(klass, extn);
571 eina_inlist_append(klass->extensions,
572 EINA_INLIST_GET(node));
577 extn = va_arg(p_list, Eobj_Class *);
582 _eobj_class_base_op_init(klass);
584 /* FIXME: Shouldn't be called here - should be called from eobj_add. */
585 _eobj_class_constructor(klass);
591 #undef _CLS_NEW_CHECK
594 eobj_class_free(Eobj_Class *klass)
596 if (klass->constructed)
598 if (klass->desc->class_destructor)
599 klass->desc->class_destructor(klass);
601 dich_func_clean_all(klass);
606 Eobj_Extension_Node *extn;
607 EINA_INLIST_FOREACH_SAFE(klass->extensions, itrn, extn)
618 /* FIXME: Do I still need count parents? */
620 _eobj_class_count_parents(const Eobj_Class *klass)
624 for (count = 0 ; klass->parent ; klass = klass->parent)
631 eobj_add(const Eobj_Class *klass, Eobj *parent)
633 if (klass->desc->type != EOBJ_CLASS_TYPE_REGULAR)
635 ERR("Class '%s' is not instantiate-able. Aborting.", klass->desc->name);
639 Eobj *obj = calloc(1, sizeof(*obj));
641 obj->parent = parent;
645 size_t datas_count = 0;
648 const Eobj_Class *kls_itr;
650 datas_count = _eobj_class_count_parents(klass) + 1;
652 obj->datas = calloc(datas_count, sizeof(*(obj->datas)));
654 /* Calculate all the offsets and set in the datas array. */
655 pvt_itr = obj->datas + datas_count - 1;
656 for (kls_itr = klass ; kls_itr->parent ; kls_itr = kls_itr->parent)
658 *pvt_itr = (void *) offset;
660 /* FIXME: Make sure this alignment is enough. */
661 offset += kls_itr->desc->private_size +
663 (kls_itr->desc->private_size % sizeof(void *)));
667 /* Allocate the datas blob and update the offsets. */
668 obj->data_blob = calloc(1, offset);
670 pvt_itr = obj->datas;
671 for (i = 0 ; i < datas_count ; i++)
673 *pvt_itr = ((char *) obj->data_blob) + (intptr_t) *pvt_itr;
679 _eobj_kls_itr_init(obj);
680 eobj_class_constructor(obj, klass);
681 if (*obj->kls_itr && *(obj->kls_itr + 1))
683 ERR("Type '%s' - Not all of the object constructors have been executed.", klass->desc->name);
687 if (eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY))
689 ERR("Type '%s' - One of the object constructors have failed.", klass->desc->name);
708 eobj_unref(Eobj *obj)
710 if (--(obj->refcount) == 0)
712 const Eobj_Class *klass = eobj_class_get(obj);
713 _eobj_kls_itr_init(obj);
714 eobj_class_destructor(obj, klass);
715 /*FIXME: add eobj_class_unref(klass) ? - just to clear the caches. */
717 Eina_List *itr, *itr_n;
719 EINA_LIST_FOREACH_SAFE(obj->composite_objects, itr, itr_n, emb_obj)
722 obj->composite_objects =
723 eina_list_remove_list(obj->composite_objects, itr);
726 _eobj_callback_remove_all(obj);
729 free(obj->data_blob);
732 _eobj_generic_data_del_all(obj);
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)
803 eobj_class_constructor(obj, *++(obj->kls_itr));
807 eobj_destructor_super(Eobj *obj)
810 eobj_class_destructor(obj, *++(obj->kls_itr));
814 eobj_data_get(Eobj *obj, const Eobj_Class *klass)
816 /* FIXME: Add a check that this is of the right klass and we don't seg.
817 * Probably just return NULL. */
818 return obj->datas[_eobj_class_count_parents(klass)];
824 Eina_Stringshare *key;
826 } Eobj_Generic_Data_Node;
829 _eobj_generic_data_node_free(Eobj_Generic_Data_Node *node)
831 eina_stringshare_del(node->key);
836 _eobj_generic_data_del_all(Eobj *obj)
839 Eobj_Generic_Data_Node *node;
841 EINA_INLIST_FOREACH_SAFE(obj->generic_data, nnode, node)
843 obj->generic_data = eina_inlist_remove(obj->generic_data,
844 EINA_INLIST_GET(node));
846 _eobj_generic_data_node_free(node);
851 eobj_generic_data_set(Eobj *obj, const char *key, const void *data)
854 Eobj_Generic_Data_Node *node;
856 if (!key) return NULL;
857 if (!data) return NULL;
859 prev_data = eobj_generic_data_del(obj, key);
861 node = malloc(sizeof(Eobj_Generic_Data_Node));
862 node->key = eina_stringshare_add(key);
863 node->data = (void *) data;
864 obj->generic_data = eina_inlist_prepend(obj->generic_data,
865 EINA_INLIST_GET(node));
871 eobj_generic_data_get(const Eobj *obj, const char *key)
873 Eobj_Generic_Data_Node *node;
875 if (!key) return NULL;
877 EINA_INLIST_FOREACH(obj->generic_data, node)
879 if (!strcmp(node->key, key))
881 ((Eobj *) obj)->generic_data =
882 eina_inlist_promote(obj->generic_data, EINA_INLIST_GET(node));
890 eobj_generic_data_del(Eobj *obj, const char *key)
892 Eobj_Generic_Data_Node *node;
894 if (!key) return NULL;
896 EINA_INLIST_FOREACH(obj->generic_data, node)
898 if (!strcmp(node->key, key))
903 obj->generic_data = eina_inlist_remove(obj->generic_data,
904 EINA_INLIST_GET(node));
905 _eobj_generic_data_node_free(node);
915 if (_eobj_init_count++ > 0)
920 _eobj_classes = NULL;
921 _eobj_classes_last_id = 0;
922 _eobj_log_dom = eina_log_domain_register("eobj", EINA_COLOR_LIGHTBLUE);
923 if (_eobj_log_dom < 0)
925 EINA_LOG_ERR("Could not register log domain: eobj");
936 Eobj_Class **cls_itr = _eobj_classes;
938 if (--_eobj_init_count > 0)
941 for (i = 0 ; i < _eobj_classes_last_id ; i++, cls_itr++)
944 eobj_class_free(*cls_itr);
950 eina_log_domain_unregister(_eobj_log_dom);
958 eobj_composite_object_attach(Eobj *obj, Eobj *emb_obj)
961 obj->composite_objects = eina_list_prepend(obj->composite_objects, emb_obj);
965 eobj_composite_object_detach(Eobj *obj, Eobj *emb_obj)
967 obj->composite_objects = eina_list_remove(obj->composite_objects, emb_obj);
972 eobj_composite_is(Eobj *emb_obj)
974 Eobj *obj = eobj_parent_get(emb_obj);
977 EINA_LIST_FOREACH(obj->composite_objects, itr, tmp)
987 struct _Eobj_Callback_Description
990 const Eobj_Event_Description *event;
993 Eobj_Callback_Priority priority;
994 Eina_Bool delete_me : 1;
997 /* Actually remove, doesn't care about walking list, or delete_me */
999 _eobj_callback_remove(Eobj *obj, Eobj_Callback_Description *cb)
1001 obj->callbacks = eina_inlist_remove(obj->callbacks,
1002 EINA_INLIST_GET(cb));
1006 /* Actually remove, doesn't care about walking list, or delete_me */
1008 _eobj_callback_remove_all(Eobj *obj)
1011 Eobj_Callback_Description *cb;
1012 EINA_INLIST_FOREACH_SAFE(obj->callbacks, initr, cb)
1014 _eobj_callback_remove(obj, cb);
1019 _eobj_callbacks_clear(Eobj *obj)
1022 Eobj_Callback_Description *cb;
1024 /* Abort if we are currently walking the list. */
1025 if (obj->walking_list > 0)
1028 EINA_INLIST_FOREACH_SAFE(obj->callbacks, itn, cb)
1032 _eobj_callback_remove(obj, cb);
1038 _callback_priority_cmp(const void *_a, const void *_b)
1040 const Eobj_Callback_Description *a, *b;
1041 a = (const Eobj_Callback_Description *) _a;
1042 b = (const Eobj_Callback_Description *) _b;
1043 if (a->priority < b->priority)
1050 eobj_event_callback_add(Eobj *obj,
1051 const Eobj_Event_Description *desc,
1055 return eobj_event_callback_priority_add(obj, desc,
1056 EOBJ_CALLBACK_PRIORITY_DEFAULT, cb, data);
1060 eobj_event_callback_priority_add(Eobj *obj,
1061 const Eobj_Event_Description *desc,
1062 Eobj_Callback_Priority priority,
1066 Eobj_Callback_Description *cb = calloc(1, sizeof(*cb));
1069 cb->func_data = (void *) data;
1070 cb->priority = priority;
1071 obj->callbacks = eina_inlist_sorted_insert(obj->callbacks,
1072 EINA_INLIST_GET(cb), _callback_priority_cmp);
1074 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_ADD, desc);
1080 eobj_event_callback_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func)
1083 Eobj_Callback_Description *cb;
1084 EINA_INLIST_FOREACH(obj->callbacks, cb)
1086 if ((cb->event == desc) && (cb->func == func))
1090 data = cb->func_data;
1091 cb->delete_me = EINA_TRUE;
1092 _eobj_callbacks_clear(obj);
1099 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_DEL, desc);
1104 eobj_event_callback_del_full(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func, const void *user_data)
1107 Eobj_Callback_Description *cb;
1108 EINA_INLIST_FOREACH(obj->callbacks, cb)
1110 if ((cb->event == desc) && (cb->func == func) &&
1111 (cb->func_data == user_data))
1115 data = cb->func_data;
1116 cb->delete_me = EINA_TRUE;
1117 _eobj_callbacks_clear(obj);
1124 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_DEL, desc);
1129 eobj_event_callback_call(Eobj *obj, const Eobj_Event_Description *desc,
1130 const void *event_info)
1132 Eobj_Callback_Description *cb;
1134 obj->walking_list++;
1136 EINA_INLIST_FOREACH(obj->callbacks, cb)
1138 if (!cb->delete_me && (cb->event == desc))
1140 /* Abort callback calling if the func says so. */
1141 if (!cb->func((void *) cb->func_data, obj, desc,
1142 (void *) event_info))
1150 obj->walking_list--;
1151 _eobj_callbacks_clear(obj);
1157 _eobj_event_forwarder_callback(void *data, Eobj *obj, const Eobj_Event_Description *desc, void *event_info)
1160 Eobj *new_obj = (Eobj *) data;
1161 return eobj_event_callback_call(new_obj, desc, event_info);
1164 /* FIXME: Change default priority? Maybe call later? */
1166 eobj_event_callback_forwarder_add(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1168 return eobj_event_callback_add(obj, desc, _eobj_event_forwarder_callback, new_obj);
1172 eobj_event_callback_forwarder_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1174 eobj_event_callback_del_full(obj, desc, _eobj_event_forwarder_callback, new_obj);
1178 /* EOBJ_CLASS_BASE stuff */
1179 static Eobj_Class *_my_class = NULL;
1181 /* FIXME: Set proper type descriptions. */
1182 EAPI const Eobj_Event_Description _EOBJ_SIG_CALLBACK_ADD =
1183 EOBJ_EVENT_DESCRIPTION("callback,add", "?", "Called when a callback was added.");
1184 EAPI const Eobj_Event_Description _EOBJ_SIG_CALLBACK_DEL =
1185 EOBJ_EVENT_DESCRIPTION("callback,del", "?", "Called when a callback was deleted.");
1188 _constructor(Eobj *obj)
1190 DBG("%p - %s.", obj, _my_class->desc->name);
1194 _destructor(Eobj *obj)
1196 DBG("%p - %s.", obj, _my_class->desc->name);
1199 EAPI const Eobj_Class *
1200 eobj_base_class_get(void)
1202 if (_my_class) return _my_class;
1204 static const Eobj_Class_Description class_desc = {
1206 EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT,
1207 EOBJ_CLASS_DESCRIPTION_OPS(NULL, NULL, 0),
1216 return _my_class = eobj_class_new(&class_desc, NULL, NULL);