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;
215 const Eobj_Class **kls_itr;
219 _eobj_kls_itr_init(Eobj *obj, Eobj_Op op)
222 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node))
228 Eobj_Kls_Itr_Node *node = calloc(1, sizeof(*node));
230 node->kls_itr = obj->klass->mro;
231 obj->kls_itr = eina_inlist_prepend(obj->kls_itr,
232 EINA_INLIST_GET(node));
237 _eobj_kls_itr_end(Eobj *obj, Eobj_Op op)
239 Eobj_Kls_Itr_Node *node =
240 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
245 obj->kls_itr = eina_inlist_remove(obj->kls_itr, obj->kls_itr);
249 static inline const Eobj_Class *
250 _eobj_kls_itr_next(Eobj *obj)
252 Eobj_Kls_Itr_Node *node =
253 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
254 const Eobj_Class **kls_itr = node->kls_itr;
258 node->kls_itr = kls_itr;
267 static inline Eina_Bool
268 _eobj_kls_itr_reached_end(const Eobj *obj)
270 Eobj_Kls_Itr_Node *node =
271 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
272 const Eobj_Class **kls_itr = node->kls_itr;
273 return !(*kls_itr && *(kls_itr + 1));
276 /* FIXME: Decide if it should be fast, and if so, add a mapping.
277 * Otherwise, this is very slow. But since it's only for debugging... */
278 static const Eobj_Op_Description *
279 _eobj_op_id_desc_get(Eobj_Op op)
282 Eobj_Class **cls_itr = _eobj_classes;
284 for (i = 0 ; i < _eobj_classes_last_id ; i++, cls_itr++)
288 const Eobj_Op_Description *desc = (*cls_itr)->desc->ops.descs;
292 Eobj_Op base_op_id = *(*cls_itr)->desc->ops.base_op_id;
295 if ((base_op_id + desc->sub_op) == op)
306 _eobj_op_internal(Eobj *obj, const Eobj_Class *obj_klass, Eobj_Op op, va_list *p_list, Eina_Bool recursive)
308 const Eobj_Class *klass = obj_klass;
309 eobj_op_func_type func;
316 func = dich_func_get(klass, op);
320 func(obj, op, p_list);
325 klass = klass->parent;
335 /* FIXME: Should probably flatten everything. to be faster. */
338 Eobj_Extension_Node *itr;
339 EINA_INLIST_FOREACH(klass->extensions, itr)
341 if (_eobj_op_internal(obj, itr->klass, op, p_list, recursive))
348 /* Try composite objects */
352 EINA_LIST_FOREACH(obj->composite_objects, itr, emb_obj)
354 if (_eobj_op_internal(emb_obj, eobj_class_get(emb_obj), op, p_list, recursive))
361 /* If haven't found anything, return FALSE */
368 static inline Eina_Bool
369 _eobj_ops_internal(Eobj *obj, const Eobj_Class *obj_klass, va_list *p_list)
371 Eina_Bool ret = EINA_TRUE;
374 op = va_arg(*p_list, Eobj_Op);
377 if (!_eobj_op_internal(obj, obj_klass, op, p_list, EINA_TRUE))
379 const Eobj_Op_Description *desc = _eobj_op_id_desc_get(op);
380 const char *_id_name = (desc) ? desc->name : NULL;
381 const Eobj_Class *op_klass = OP_CLASS_GET(op);
382 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
383 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
384 op, _id_name, _dom_name,
385 obj_klass->desc->name);
389 op = va_arg(*p_list, Eobj_Op);
396 eobj_do_internal(Eobj *obj, ...)
400 va_start(p_list, obj);
401 ret = _eobj_ops_internal(obj, eobj_class_get(obj), &p_list);
407 eobj_super_do(Eobj *obj, Eobj_Op op, ...)
409 const Eobj_Class *obj_klass;
411 Eina_Bool ret = EINA_TRUE;
413 _eobj_kls_itr_init(obj, op);
414 obj_klass = _eobj_kls_itr_next(obj);
416 if (!obj_klass) goto end;
418 va_start(p_list, op);
419 if (!_eobj_op_internal(obj, obj_klass, op, &p_list, EINA_FALSE))
421 const Eobj_Op_Description *desc = _eobj_op_id_desc_get(op);
422 const char *_id_name = (desc) ? desc->name : NULL;
423 const Eobj_Class *op_klass = OP_CLASS_GET(op);
424 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
425 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
426 op, _id_name, _dom_name,
427 obj_klass->desc->name);
433 _eobj_kls_itr_end(obj, op);
437 EAPI const Eobj_Class *
438 eobj_class_get(Eobj *obj)
444 eobj_class_name_get(const Eobj_Class *klass)
446 return klass->desc->name;
450 _eobj_class_base_op_init(Eobj_Class *klass)
452 const Eobj_Class_Description *desc = klass->desc;
453 if (!desc || !desc->ops.base_op_id)
456 /* FIXME: Depends on values defined above! */
457 *(desc->ops.base_op_id) = klass->class_id << OP_CLASS_OFFSET;
461 _eobj_class_mro_add(Eina_List *mro, const Eobj_Class *klass)
466 mro = eina_list_append(mro, klass);
469 Eobj_Extension_Node *extn;
470 EINA_INLIST_FOREACH(klass->extensions, extn)
472 mro = _eobj_class_mro_add(mro, extn->klass);
476 mro = _eobj_class_mro_add(mro, klass->parent);
482 _eobj_class_mro_init(Eobj_Class *klass)
484 Eina_List *mro = NULL;
486 DBG("Started creating MRO for class '%s'", klass->desc->name);
487 mro = _eobj_class_mro_add(mro, klass);
490 Eina_List *itr1, *itr2, *itr2n;
492 itr1 = eina_list_last(mro);
495 itr2 = eina_list_prev(itr1);
499 itr2n = eina_list_prev(itr2);
501 if (eina_list_data_get(itr1) == eina_list_data_get(itr2))
503 mro = eina_list_remove_list(mro, itr2);
509 itr1 = eina_list_prev(itr1);
513 /* Copy the mro and free the list. */
515 const Eobj_Class *kls_itr;
516 const Eobj_Class **mro_itr;
517 klass->mro = calloc(sizeof(*klass->mro), eina_list_count(mro) + 1);
519 mro_itr = klass->mro;
521 EINA_LIST_FREE(mro, kls_itr)
523 *(mro_itr++) = kls_itr;
525 DBG("Added '%s' to MRO", kls_itr->desc->name);
530 DBG("Finished creating MRO for class '%s'", klass->desc->name);
534 _eobj_class_constructor(Eobj_Class *klass)
536 if (klass->constructed)
539 klass->constructed = EINA_TRUE;
541 if (klass->desc->class_constructor)
542 klass->desc->class_constructor(klass);
544 _eobj_class_mro_init(klass);
548 eobj_class_funcs_set(Eobj_Class *klass, const Eobj_Op_Func_Description *func_descs)
550 const Eobj_Op_Func_Description *itr;
554 for ( ; itr->op != 0 ; itr++)
556 dich_func_set(klass, itr->op, itr->func);
562 eobj_class_new(const Eobj_Class_Description *desc, const Eobj_Class *parent, ...)
567 va_start(p_list, parent);
569 #define _CLS_NEW_CHECK(x) \
574 ERR("%s can't be NULL! Aborting.", #x); \
580 _CLS_NEW_CHECK(desc);
581 _CLS_NEW_CHECK(desc->name);
583 klass = calloc(1, sizeof(Eobj_Class));
584 klass->parent = parent;
585 klass->class_id = ++_eobj_classes_last_id;
587 /* FIXME: Handle errors. */
589 tmp = realloc(_eobj_classes, _eobj_classes_last_id * sizeof(*_eobj_classes));
591 _eobj_classes[klass->class_id - 1] = klass;
594 /* Handle class extensions */
596 Eobj_Class *extn = NULL;
598 extn = va_arg(p_list, Eobj_Class *);
601 switch (extn->desc->type)
603 case EOBJ_CLASS_TYPE_REGULAR:
604 case EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT:
605 /* Use it like an interface. */
606 case EOBJ_CLASS_TYPE_INTERFACE:
608 case EOBJ_CLASS_TYPE_MIXIN:
610 Eobj_Extension_Node *node = calloc(1, sizeof(*node));
613 eina_inlist_append(klass->extensions,
614 EINA_INLIST_GET(node));
619 extn = va_arg(p_list, Eobj_Class *);
625 /* If we have a class parent, update the current offset. */
628 /* FIXME: Make sure this alignment is enough. */
629 klass->data_offset = klass->parent->data_offset +
630 klass->parent->desc->private_size +
632 (klass->parent->desc->private_size % sizeof(void *)));
635 _eobj_class_base_op_init(klass);
637 /* FIXME: Shouldn't be called here - should be called from eobj_add. */
638 _eobj_class_constructor(klass);
644 #undef _CLS_NEW_CHECK
647 eobj_class_free(Eobj_Class *klass)
649 if (klass->constructed)
651 if (klass->desc->class_destructor)
652 klass->desc->class_destructor(klass);
654 dich_func_clean_all(klass);
659 Eobj_Extension_Node *extn;
660 EINA_INLIST_FOREACH_SAFE(klass->extensions, itrn, extn)
672 eobj_add(const Eobj_Class *klass, Eobj *parent)
674 if (klass->desc->type != EOBJ_CLASS_TYPE_REGULAR)
676 ERR("Class '%s' is not instantiate-able. Aborting.", klass->desc->name);
680 Eobj *obj = calloc(1, sizeof(*obj));
682 obj->parent = parent;
686 obj->data_blob = calloc(1, klass->data_offset + klass->desc->private_size);
688 _eobj_kls_itr_init(obj, EOBJ_NOOP);
689 eobj_class_constructor(obj, klass);
690 if (eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY))
692 ERR("Type '%s' - One of the object constructors have failed.", klass->desc->name);
696 if (!_eobj_kls_itr_reached_end(obj))
698 ERR("Type '%s' - Not all of the object constructors have been executed.", klass->desc->name);
701 _eobj_kls_itr_end(obj, EOBJ_NOOP);
718 eobj_unref(Eobj *obj)
720 if (--(obj->refcount) == 0)
722 const Eobj_Class *klass = eobj_class_get(obj);
723 _eobj_kls_itr_init(obj, EOBJ_NOOP);
724 eobj_class_destructor(obj, klass);
725 if (eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY))
727 ERR("Type '%s' - One of the object destructors have failed.", klass->desc->name);
730 if (!_eobj_kls_itr_reached_end(obj))
732 ERR("Type '%s' - Not all of the object destructors have been executed.", klass->desc->name);
734 _eobj_kls_itr_end(obj, EOBJ_NOOP);
735 /*FIXME: add eobj_class_unref(klass) ? - just to clear the caches. */
737 /* If for some reason it's not empty, clear it. */
740 Eina_Inlist *nitr = nitr->next;
741 free(EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node));
745 Eina_List *itr, *itr_n;
747 EINA_LIST_FOREACH_SAFE(obj->composite_objects, itr, itr_n, emb_obj)
750 obj->composite_objects =
751 eina_list_remove_list(obj->composite_objects, itr);
754 _eobj_callback_remove_all(obj);
757 free(obj->data_blob);
759 _eobj_generic_data_del_all(obj);
766 eobj_ref_get(const Eobj *obj)
768 return obj->refcount;
774 obj->delete = EINA_TRUE;
779 eobj_parent_get(Eobj *obj)
785 eobj_constructor_error_set(Eobj *obj)
787 eobj_generic_data_set(obj, CONSTRUCT_ERROR_KEY, (void *) EINA_TRUE);
791 eobj_constructor_error_get(const Eobj *obj)
793 return (intptr_t) eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY);
797 _eobj_constructor_default(Eobj *obj)
799 eobj_constructor_super(obj);
803 _eobj_destructor_default(Eobj *obj)
805 eobj_destructor_super(obj);
809 eobj_class_constructor(Eobj *obj, const Eobj_Class *klass)
814 if (klass->desc->constructor)
815 klass->desc->constructor(obj);
817 _eobj_constructor_default(obj);
821 eobj_class_destructor(Eobj *obj, const Eobj_Class *klass)
826 if (klass->desc->destructor)
827 klass->desc->destructor(obj);
829 _eobj_destructor_default(obj);
833 eobj_constructor_super(Eobj *obj)
835 eobj_class_constructor(obj, _eobj_kls_itr_next(obj));
839 eobj_destructor_super(Eobj *obj)
841 eobj_class_destructor(obj, _eobj_kls_itr_next(obj));
845 eobj_data_get(Eobj *obj, const Eobj_Class *klass)
847 /* FIXME: Add a check that this is of the right klass and we don't seg.
848 * Probably just return NULL. */
849 return ((char *) obj->data_blob) + klass->data_offset;
855 Eina_Stringshare *key;
857 } Eobj_Generic_Data_Node;
860 _eobj_generic_data_node_free(Eobj_Generic_Data_Node *node)
862 eina_stringshare_del(node->key);
867 _eobj_generic_data_del_all(Eobj *obj)
870 Eobj_Generic_Data_Node *node;
872 EINA_INLIST_FOREACH_SAFE(obj->generic_data, nnode, node)
874 obj->generic_data = eina_inlist_remove(obj->generic_data,
875 EINA_INLIST_GET(node));
877 _eobj_generic_data_node_free(node);
882 eobj_generic_data_set(Eobj *obj, const char *key, const void *data)
885 Eobj_Generic_Data_Node *node;
887 if (!key) return NULL;
888 if (!data) return NULL;
890 prev_data = eobj_generic_data_del(obj, key);
892 node = malloc(sizeof(Eobj_Generic_Data_Node));
893 node->key = eina_stringshare_add(key);
894 node->data = (void *) data;
895 obj->generic_data = eina_inlist_prepend(obj->generic_data,
896 EINA_INLIST_GET(node));
902 eobj_generic_data_get(const Eobj *obj, const char *key)
904 Eobj_Generic_Data_Node *node;
906 if (!key) return NULL;
908 EINA_INLIST_FOREACH(obj->generic_data, node)
910 if (!strcmp(node->key, key))
912 ((Eobj *) obj)->generic_data =
913 eina_inlist_promote(obj->generic_data, EINA_INLIST_GET(node));
921 eobj_generic_data_del(Eobj *obj, const char *key)
923 Eobj_Generic_Data_Node *node;
925 if (!key) return NULL;
927 EINA_INLIST_FOREACH(obj->generic_data, node)
929 if (!strcmp(node->key, key))
934 obj->generic_data = eina_inlist_remove(obj->generic_data,
935 EINA_INLIST_GET(node));
936 _eobj_generic_data_node_free(node);
946 if (_eobj_init_count++ > 0)
951 _eobj_classes = NULL;
952 _eobj_classes_last_id = 0;
953 _eobj_log_dom = eina_log_domain_register("eobj", EINA_COLOR_LIGHTBLUE);
954 if (_eobj_log_dom < 0)
956 EINA_LOG_ERR("Could not register log domain: eobj");
967 Eobj_Class **cls_itr = _eobj_classes;
969 if (--_eobj_init_count > 0)
972 for (i = 0 ; i < _eobj_classes_last_id ; i++, cls_itr++)
975 eobj_class_free(*cls_itr);
981 eina_log_domain_unregister(_eobj_log_dom);
989 eobj_composite_object_attach(Eobj *obj, Eobj *emb_obj)
992 obj->composite_objects = eina_list_prepend(obj->composite_objects, emb_obj);
996 eobj_composite_object_detach(Eobj *obj, Eobj *emb_obj)
998 obj->composite_objects = eina_list_remove(obj->composite_objects, emb_obj);
1003 eobj_composite_is(Eobj *emb_obj)
1005 Eobj *obj = eobj_parent_get(emb_obj);
1008 EINA_LIST_FOREACH(obj->composite_objects, itr, tmp)
1018 struct _Eobj_Callback_Description
1021 const Eobj_Event_Description *event;
1024 Eobj_Callback_Priority priority;
1025 Eina_Bool delete_me : 1;
1028 /* Actually remove, doesn't care about walking list, or delete_me */
1030 _eobj_callback_remove(Eobj *obj, Eobj_Callback_Description *cb)
1032 obj->callbacks = eina_inlist_remove(obj->callbacks,
1033 EINA_INLIST_GET(cb));
1037 /* Actually remove, doesn't care about walking list, or delete_me */
1039 _eobj_callback_remove_all(Eobj *obj)
1042 Eobj_Callback_Description *cb;
1043 EINA_INLIST_FOREACH_SAFE(obj->callbacks, initr, cb)
1045 _eobj_callback_remove(obj, cb);
1050 _eobj_callbacks_clear(Eobj *obj)
1053 Eobj_Callback_Description *cb;
1055 /* Abort if we are currently walking the list. */
1056 if (obj->walking_list > 0)
1059 EINA_INLIST_FOREACH_SAFE(obj->callbacks, itn, cb)
1063 _eobj_callback_remove(obj, cb);
1069 _callback_priority_cmp(const void *_a, const void *_b)
1071 const Eobj_Callback_Description *a, *b;
1072 a = (const Eobj_Callback_Description *) _a;
1073 b = (const Eobj_Callback_Description *) _b;
1074 if (a->priority < b->priority)
1081 eobj_event_callback_add(Eobj *obj,
1082 const Eobj_Event_Description *desc,
1086 return eobj_event_callback_priority_add(obj, desc,
1087 EOBJ_CALLBACK_PRIORITY_DEFAULT, cb, data);
1091 eobj_event_callback_priority_add(Eobj *obj,
1092 const Eobj_Event_Description *desc,
1093 Eobj_Callback_Priority priority,
1097 Eobj_Callback_Description *cb = calloc(1, sizeof(*cb));
1100 cb->func_data = (void *) data;
1101 cb->priority = priority;
1102 obj->callbacks = eina_inlist_sorted_insert(obj->callbacks,
1103 EINA_INLIST_GET(cb), _callback_priority_cmp);
1105 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_ADD, desc);
1111 eobj_event_callback_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func)
1114 Eobj_Callback_Description *cb;
1115 EINA_INLIST_FOREACH(obj->callbacks, cb)
1117 if ((cb->event == desc) && (cb->func == func))
1121 data = cb->func_data;
1122 cb->delete_me = EINA_TRUE;
1123 _eobj_callbacks_clear(obj);
1130 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_DEL, desc);
1135 eobj_event_callback_del_full(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func, const void *user_data)
1138 Eobj_Callback_Description *cb;
1139 EINA_INLIST_FOREACH(obj->callbacks, cb)
1141 if ((cb->event == desc) && (cb->func == func) &&
1142 (cb->func_data == user_data))
1146 data = cb->func_data;
1147 cb->delete_me = EINA_TRUE;
1148 _eobj_callbacks_clear(obj);
1155 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_DEL, desc);
1160 eobj_event_callback_call(Eobj *obj, const Eobj_Event_Description *desc,
1161 const void *event_info)
1163 Eobj_Callback_Description *cb;
1165 obj->walking_list++;
1167 EINA_INLIST_FOREACH(obj->callbacks, cb)
1169 if (!cb->delete_me && (cb->event == desc))
1171 /* Abort callback calling if the func says so. */
1172 if (!cb->func((void *) cb->func_data, obj, desc,
1173 (void *) event_info))
1181 obj->walking_list--;
1182 _eobj_callbacks_clear(obj);
1188 _eobj_event_forwarder_callback(void *data, Eobj *obj, const Eobj_Event_Description *desc, void *event_info)
1191 Eobj *new_obj = (Eobj *) data;
1192 return eobj_event_callback_call(new_obj, desc, event_info);
1195 /* FIXME: Change default priority? Maybe call later? */
1197 eobj_event_callback_forwarder_add(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1199 return eobj_event_callback_add(obj, desc, _eobj_event_forwarder_callback, new_obj);
1203 eobj_event_callback_forwarder_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1205 eobj_event_callback_del_full(obj, desc, _eobj_event_forwarder_callback, new_obj);
1209 /* EOBJ_CLASS_BASE stuff */
1210 static Eobj_Class *_my_class = NULL;
1212 /* FIXME: Set proper type descriptions. */
1213 EAPI const Eobj_Event_Description _EOBJ_SIG_CALLBACK_ADD =
1214 EOBJ_EVENT_DESCRIPTION("callback,add", "?", "Called when a callback was added.");
1215 EAPI const Eobj_Event_Description _EOBJ_SIG_CALLBACK_DEL =
1216 EOBJ_EVENT_DESCRIPTION("callback,del", "?", "Called when a callback was deleted.");
1219 _constructor(Eobj *obj)
1221 DBG("%p - %s.", obj, _my_class->desc->name);
1225 _destructor(Eobj *obj)
1227 DBG("%p - %s.", obj, _my_class->desc->name);
1230 EAPI const Eobj_Class *
1231 eobj_base_class_get(void)
1233 if (_my_class) return _my_class;
1235 static const Eobj_Class_Description class_desc = {
1237 EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT,
1238 EOBJ_CLASS_DESCRIPTION_OPS(NULL, NULL, 0),
1247 return _my_class = eobj_class_new(&class_desc, NULL, NULL);