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;
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 = eina_list_prepend(obj->kls_itr, obj->klass->mro);
217 _eobj_kls_itr_end(Eobj *obj)
219 obj->kls_itr = eina_list_remove_list(obj->kls_itr, obj->kls_itr);
222 static inline const Eobj_Class *
223 _eobj_kls_itr_next(Eobj *obj)
225 const Eobj_Class **kls_itr = eina_list_data_get(obj->kls_itr);
229 eina_list_data_set(obj->kls_itr, kls_itr);
238 static inline Eina_Bool
239 _eobj_kls_itr_reached_end(const Eobj *obj)
241 const Eobj_Class **kls_itr = eina_list_data_get(obj->kls_itr);
242 return !(*kls_itr && *(kls_itr + 1));
245 /* FIXME: Decide if it should be fast, and if so, add a mapping.
246 * Otherwise, this is very slow. But since it's only for debugging... */
247 static const Eobj_Op_Description *
248 _eobj_op_id_desc_get(Eobj_Op op)
251 Eobj_Class **cls_itr = _eobj_classes;
253 for (i = 0 ; i < _eobj_classes_last_id ; i++, cls_itr++)
257 const Eobj_Op_Description *desc = (*cls_itr)->desc->ops.descs;
261 Eobj_Op base_op_id = *(*cls_itr)->desc->ops.base_op_id;
264 if ((base_op_id + desc->sub_op) == op)
275 _eobj_op_internal(Eobj *obj, const Eobj_Class *obj_klass, Eobj_Op op, va_list *p_list, Eina_Bool recursive)
277 const Eobj_Class *klass = obj_klass;
278 eobj_op_func_type func;
285 func = dich_func_get(klass, op);
289 func(obj, op, p_list);
294 klass = klass->parent;
304 /* FIXME: Should probably flatten everything. to be faster. */
307 Eobj_Extension_Node *itr;
308 EINA_INLIST_FOREACH(klass->extensions, itr)
310 if (_eobj_op_internal(obj, itr->klass, op, p_list, recursive))
317 /* Try composite objects */
321 EINA_LIST_FOREACH(obj->composite_objects, itr, emb_obj)
323 if (_eobj_op_internal(emb_obj, eobj_class_get(emb_obj), op, p_list, recursive))
330 /* If haven't found anything, return FALSE */
337 static inline Eina_Bool
338 _eobj_ops_internal(Eobj *obj, const Eobj_Class *obj_klass, va_list *p_list)
340 Eina_Bool ret = EINA_TRUE;
343 op = va_arg(*p_list, Eobj_Op);
346 if (!_eobj_op_internal(obj, obj_klass, op, p_list, EINA_TRUE))
348 const Eobj_Op_Description *desc = _eobj_op_id_desc_get(op);
349 const char *_id_name = (desc) ? desc->name : NULL;
350 const Eobj_Class *op_klass = OP_CLASS_GET(op);
351 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
352 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
353 op, _id_name, _dom_name,
354 obj_klass->desc->name);
358 op = va_arg(*p_list, Eobj_Op);
365 eobj_do_internal(Eobj *obj, ...)
369 va_start(p_list, obj);
370 _eobj_kls_itr_init(obj);
371 ret = _eobj_ops_internal(obj, eobj_class_get(obj), &p_list);
372 _eobj_kls_itr_end(obj);
378 eobj_super_do(Eobj *obj, Eobj_Op op, ...)
380 const Eobj_Class *obj_klass = _eobj_kls_itr_next(obj);
381 if (!obj_klass) return EINA_TRUE;
383 Eina_Bool ret = EINA_TRUE;
385 va_start(p_list, op);
386 if (!_eobj_op_internal(obj, obj_klass, op, &p_list, EINA_FALSE))
388 const Eobj_Op_Description *desc = _eobj_op_id_desc_get(op);
389 const char *_id_name = (desc) ? desc->name : NULL;
390 const Eobj_Class *op_klass = OP_CLASS_GET(op);
391 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
392 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
393 op, _id_name, _dom_name,
394 obj_klass->desc->name);
401 EAPI const Eobj_Class *
402 eobj_class_get(Eobj *obj)
407 EAPI const Eobj_Class *
408 eobj_class_parent_get(const Eobj_Class *klass)
410 return klass->parent;
414 eobj_class_name_get(const Eobj_Class *klass)
416 return klass->desc->name;
420 _eobj_class_base_op_init(Eobj_Class *klass)
422 const Eobj_Class_Description *desc = klass->desc;
423 if (!desc || !desc->ops.base_op_id)
426 /* FIXME: Depends on values defined above! */
427 *(desc->ops.base_op_id) = klass->class_id << OP_CLASS_OFFSET;
431 _eobj_class_mro_add(Eina_List *mro, const Eobj_Class *klass)
436 mro = eina_list_append(mro, klass);
439 Eobj_Extension_Node *extn;
440 EINA_INLIST_FOREACH(klass->extensions, extn)
442 mro = _eobj_class_mro_add(mro, extn->klass);
446 mro = _eobj_class_mro_add(mro, klass->parent);
452 _eobj_class_mro_init(Eobj_Class *klass)
454 Eina_List *mro = NULL;
456 DBG("Started creating MRO for class '%s'", klass->desc->name);
457 mro = _eobj_class_mro_add(mro, klass);
460 Eina_List *itr1, *itr2, *itr2n;
462 itr1 = eina_list_last(mro);
465 itr2 = eina_list_prev(itr1);
469 itr2n = eina_list_prev(itr2);
471 if (eina_list_data_get(itr1) == eina_list_data_get(itr2))
473 mro = eina_list_remove_list(mro, itr2);
479 itr1 = eina_list_prev(itr1);
483 /* Copy the mro and free the list. */
485 const Eobj_Class *kls_itr;
486 const Eobj_Class **mro_itr;
487 klass->mro = calloc(sizeof(*klass->mro), eina_list_count(mro) + 1);
489 mro_itr = klass->mro;
491 EINA_LIST_FREE(mro, kls_itr)
493 *(mro_itr++) = kls_itr;
495 DBG("Added '%s' to MRO", kls_itr->desc->name);
500 DBG("Finished creating MRO for class '%s'", klass->desc->name);
504 _eobj_class_constructor(Eobj_Class *klass)
506 if (klass->constructed)
509 klass->constructed = EINA_TRUE;
511 if (klass->desc->class_constructor)
512 klass->desc->class_constructor(klass);
514 _eobj_class_mro_init(klass);
518 eobj_class_funcs_set(Eobj_Class *klass, const Eobj_Op_Func_Description *func_descs)
520 const Eobj_Op_Func_Description *itr;
524 for ( ; itr->op != 0 ; itr++)
526 dich_func_set(klass, itr->op, itr->func);
532 eobj_class_new(const Eobj_Class_Description *desc, const Eobj_Class *parent, ...)
537 va_start(p_list, parent);
539 #define _CLS_NEW_CHECK(x) \
544 ERR("%s can't be NULL! Aborting.", #x); \
550 _CLS_NEW_CHECK(desc);
551 _CLS_NEW_CHECK(desc->name);
553 klass = calloc(1, sizeof(Eobj_Class));
554 klass->parent = parent;
555 klass->class_id = ++_eobj_classes_last_id;
557 /* FIXME: Handle errors. */
559 tmp = realloc(_eobj_classes, _eobj_classes_last_id * sizeof(*_eobj_classes));
561 _eobj_classes[klass->class_id - 1] = klass;
564 /* Handle class extensions */
566 Eobj_Class *extn = NULL;
568 extn = va_arg(p_list, Eobj_Class *);
571 switch (extn->desc->type)
573 case EOBJ_CLASS_TYPE_REGULAR:
574 case EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT:
575 /* Use it like an interface. */
576 case EOBJ_CLASS_TYPE_INTERFACE:
578 case EOBJ_CLASS_TYPE_MIXIN:
580 Eobj_Extension_Node *node = calloc(1, sizeof(*node));
583 eina_inlist_append(klass->extensions,
584 EINA_INLIST_GET(node));
589 extn = va_arg(p_list, Eobj_Class *);
594 _eobj_class_base_op_init(klass);
596 /* FIXME: Shouldn't be called here - should be called from eobj_add. */
597 _eobj_class_constructor(klass);
603 #undef _CLS_NEW_CHECK
606 eobj_class_free(Eobj_Class *klass)
608 if (klass->constructed)
610 if (klass->desc->class_destructor)
611 klass->desc->class_destructor(klass);
613 dich_func_clean_all(klass);
618 Eobj_Extension_Node *extn;
619 EINA_INLIST_FOREACH_SAFE(klass->extensions, itrn, extn)
630 /* FIXME: Do I still need count parents? */
632 _eobj_class_count_parents(const Eobj_Class *klass)
636 for (count = 0 ; klass->parent ; klass = klass->parent)
643 eobj_add(const Eobj_Class *klass, Eobj *parent)
645 if (klass->desc->type != EOBJ_CLASS_TYPE_REGULAR)
647 ERR("Class '%s' is not instantiate-able. Aborting.", klass->desc->name);
651 Eobj *obj = calloc(1, sizeof(*obj));
653 obj->parent = parent;
657 size_t datas_count = 0;
660 const Eobj_Class *kls_itr;
662 datas_count = _eobj_class_count_parents(klass) + 1;
664 obj->datas = calloc(datas_count, sizeof(*(obj->datas)));
666 /* Calculate all the offsets and set in the datas array. */
667 pvt_itr = obj->datas + datas_count - 1;
668 for (kls_itr = klass ; kls_itr->parent ; kls_itr = kls_itr->parent)
670 *pvt_itr = (void *) offset;
672 /* FIXME: Make sure this alignment is enough. */
673 offset += kls_itr->desc->private_size +
675 (kls_itr->desc->private_size % sizeof(void *)));
679 /* Allocate the datas blob and update the offsets. */
680 obj->data_blob = calloc(1, offset);
682 pvt_itr = obj->datas;
683 for (i = 0 ; i < datas_count ; i++)
685 *pvt_itr = ((char *) obj->data_blob) + (intptr_t) *pvt_itr;
691 _eobj_kls_itr_init(obj);
692 eobj_class_constructor(obj, klass);
693 if (eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY))
695 ERR("Type '%s' - One of the object constructors have failed.", klass->desc->name);
699 if (!_eobj_kls_itr_reached_end(obj))
701 ERR("Type '%s' - Not all of the object constructors have been executed.", klass->desc->name);
704 _eobj_kls_itr_end(obj);
721 eobj_unref(Eobj *obj)
723 if (--(obj->refcount) == 0)
725 const Eobj_Class *klass = eobj_class_get(obj);
726 _eobj_kls_itr_init(obj);
727 eobj_class_destructor(obj, klass);
728 if (eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY))
730 ERR("Type '%s' - One of the object destructors have failed.", klass->desc->name);
733 if (!_eobj_kls_itr_reached_end(obj))
735 ERR("Type '%s' - Not all of the object destructors have been executed.", klass->desc->name);
737 _eobj_kls_itr_end(obj);
738 /*FIXME: add eobj_class_unref(klass) ? - just to clear the caches. */
740 /* If for some reason it's not empty, clear it. */
741 eina_list_free(obj->kls_itr);
743 Eina_List *itr, *itr_n;
745 EINA_LIST_FOREACH_SAFE(obj->composite_objects, itr, itr_n, emb_obj)
748 obj->composite_objects =
749 eina_list_remove_list(obj->composite_objects, itr);
752 _eobj_callback_remove_all(obj);
755 free(obj->data_blob);
758 _eobj_generic_data_del_all(obj);
767 obj->delete = EINA_TRUE;
772 eobj_parent_get(Eobj *obj)
778 eobj_constructor_error_set(Eobj *obj)
780 eobj_generic_data_set(obj, CONSTRUCT_ERROR_KEY, (void *) EINA_TRUE);
784 eobj_constructor_error_get(const Eobj *obj)
786 return (intptr_t) eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY);
790 _eobj_constructor_default(Eobj *obj)
792 eobj_constructor_super(obj);
796 _eobj_destructor_default(Eobj *obj)
798 eobj_destructor_super(obj);
802 eobj_class_constructor(Eobj *obj, const Eobj_Class *klass)
807 if (klass->desc->constructor)
808 klass->desc->constructor(obj);
810 _eobj_constructor_default(obj);
814 eobj_class_destructor(Eobj *obj, const Eobj_Class *klass)
819 if (klass->desc->destructor)
820 klass->desc->destructor(obj);
822 _eobj_destructor_default(obj);
826 eobj_constructor_super(Eobj *obj)
828 eobj_class_constructor(obj, _eobj_kls_itr_next(obj));
832 eobj_destructor_super(Eobj *obj)
834 eobj_class_destructor(obj, _eobj_kls_itr_next(obj));
838 eobj_data_get(Eobj *obj, const Eobj_Class *klass)
840 /* FIXME: Add a check that this is of the right klass and we don't seg.
841 * Probably just return NULL. */
842 return obj->datas[_eobj_class_count_parents(klass)];
848 Eina_Stringshare *key;
850 } Eobj_Generic_Data_Node;
853 _eobj_generic_data_node_free(Eobj_Generic_Data_Node *node)
855 eina_stringshare_del(node->key);
860 _eobj_generic_data_del_all(Eobj *obj)
863 Eobj_Generic_Data_Node *node;
865 EINA_INLIST_FOREACH_SAFE(obj->generic_data, nnode, node)
867 obj->generic_data = eina_inlist_remove(obj->generic_data,
868 EINA_INLIST_GET(node));
870 _eobj_generic_data_node_free(node);
875 eobj_generic_data_set(Eobj *obj, const char *key, const void *data)
878 Eobj_Generic_Data_Node *node;
880 if (!key) return NULL;
881 if (!data) return NULL;
883 prev_data = eobj_generic_data_del(obj, key);
885 node = malloc(sizeof(Eobj_Generic_Data_Node));
886 node->key = eina_stringshare_add(key);
887 node->data = (void *) data;
888 obj->generic_data = eina_inlist_prepend(obj->generic_data,
889 EINA_INLIST_GET(node));
895 eobj_generic_data_get(const Eobj *obj, const char *key)
897 Eobj_Generic_Data_Node *node;
899 if (!key) return NULL;
901 EINA_INLIST_FOREACH(obj->generic_data, node)
903 if (!strcmp(node->key, key))
905 ((Eobj *) obj)->generic_data =
906 eina_inlist_promote(obj->generic_data, EINA_INLIST_GET(node));
914 eobj_generic_data_del(Eobj *obj, const char *key)
916 Eobj_Generic_Data_Node *node;
918 if (!key) return NULL;
920 EINA_INLIST_FOREACH(obj->generic_data, node)
922 if (!strcmp(node->key, key))
927 obj->generic_data = eina_inlist_remove(obj->generic_data,
928 EINA_INLIST_GET(node));
929 _eobj_generic_data_node_free(node);
939 if (_eobj_init_count++ > 0)
944 _eobj_classes = NULL;
945 _eobj_classes_last_id = 0;
946 _eobj_log_dom = eina_log_domain_register("eobj", EINA_COLOR_LIGHTBLUE);
947 if (_eobj_log_dom < 0)
949 EINA_LOG_ERR("Could not register log domain: eobj");
960 Eobj_Class **cls_itr = _eobj_classes;
962 if (--_eobj_init_count > 0)
965 for (i = 0 ; i < _eobj_classes_last_id ; i++, cls_itr++)
968 eobj_class_free(*cls_itr);
974 eina_log_domain_unregister(_eobj_log_dom);
982 eobj_composite_object_attach(Eobj *obj, Eobj *emb_obj)
985 obj->composite_objects = eina_list_prepend(obj->composite_objects, emb_obj);
989 eobj_composite_object_detach(Eobj *obj, Eobj *emb_obj)
991 obj->composite_objects = eina_list_remove(obj->composite_objects, emb_obj);
996 eobj_composite_is(Eobj *emb_obj)
998 Eobj *obj = eobj_parent_get(emb_obj);
1001 EINA_LIST_FOREACH(obj->composite_objects, itr, tmp)
1011 struct _Eobj_Callback_Description
1014 const Eobj_Event_Description *event;
1017 Eobj_Callback_Priority priority;
1018 Eina_Bool delete_me : 1;
1021 /* Actually remove, doesn't care about walking list, or delete_me */
1023 _eobj_callback_remove(Eobj *obj, Eobj_Callback_Description *cb)
1025 obj->callbacks = eina_inlist_remove(obj->callbacks,
1026 EINA_INLIST_GET(cb));
1030 /* Actually remove, doesn't care about walking list, or delete_me */
1032 _eobj_callback_remove_all(Eobj *obj)
1035 Eobj_Callback_Description *cb;
1036 EINA_INLIST_FOREACH_SAFE(obj->callbacks, initr, cb)
1038 _eobj_callback_remove(obj, cb);
1043 _eobj_callbacks_clear(Eobj *obj)
1046 Eobj_Callback_Description *cb;
1048 /* Abort if we are currently walking the list. */
1049 if (obj->walking_list > 0)
1052 EINA_INLIST_FOREACH_SAFE(obj->callbacks, itn, cb)
1056 _eobj_callback_remove(obj, cb);
1062 _callback_priority_cmp(const void *_a, const void *_b)
1064 const Eobj_Callback_Description *a, *b;
1065 a = (const Eobj_Callback_Description *) _a;
1066 b = (const Eobj_Callback_Description *) _b;
1067 if (a->priority < b->priority)
1074 eobj_event_callback_add(Eobj *obj,
1075 const Eobj_Event_Description *desc,
1079 return eobj_event_callback_priority_add(obj, desc,
1080 EOBJ_CALLBACK_PRIORITY_DEFAULT, cb, data);
1084 eobj_event_callback_priority_add(Eobj *obj,
1085 const Eobj_Event_Description *desc,
1086 Eobj_Callback_Priority priority,
1090 Eobj_Callback_Description *cb = calloc(1, sizeof(*cb));
1093 cb->func_data = (void *) data;
1094 cb->priority = priority;
1095 obj->callbacks = eina_inlist_sorted_insert(obj->callbacks,
1096 EINA_INLIST_GET(cb), _callback_priority_cmp);
1098 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_ADD, desc);
1104 eobj_event_callback_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func)
1107 Eobj_Callback_Description *cb;
1108 EINA_INLIST_FOREACH(obj->callbacks, cb)
1110 if ((cb->event == desc) && (cb->func == func))
1114 data = cb->func_data;
1115 cb->delete_me = EINA_TRUE;
1116 _eobj_callbacks_clear(obj);
1123 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_DEL, desc);
1128 eobj_event_callback_del_full(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func, const void *user_data)
1131 Eobj_Callback_Description *cb;
1132 EINA_INLIST_FOREACH(obj->callbacks, cb)
1134 if ((cb->event == desc) && (cb->func == func) &&
1135 (cb->func_data == user_data))
1139 data = cb->func_data;
1140 cb->delete_me = EINA_TRUE;
1141 _eobj_callbacks_clear(obj);
1148 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_DEL, desc);
1153 eobj_event_callback_call(Eobj *obj, const Eobj_Event_Description *desc,
1154 const void *event_info)
1156 Eobj_Callback_Description *cb;
1158 obj->walking_list++;
1160 EINA_INLIST_FOREACH(obj->callbacks, cb)
1162 if (!cb->delete_me && (cb->event == desc))
1164 /* Abort callback calling if the func says so. */
1165 if (!cb->func((void *) cb->func_data, obj, desc,
1166 (void *) event_info))
1174 obj->walking_list--;
1175 _eobj_callbacks_clear(obj);
1181 _eobj_event_forwarder_callback(void *data, Eobj *obj, const Eobj_Event_Description *desc, void *event_info)
1184 Eobj *new_obj = (Eobj *) data;
1185 return eobj_event_callback_call(new_obj, desc, event_info);
1188 /* FIXME: Change default priority? Maybe call later? */
1190 eobj_event_callback_forwarder_add(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1192 return eobj_event_callback_add(obj, desc, _eobj_event_forwarder_callback, new_obj);
1196 eobj_event_callback_forwarder_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1198 eobj_event_callback_del_full(obj, desc, _eobj_event_forwarder_callback, new_obj);
1202 /* EOBJ_CLASS_BASE stuff */
1203 static Eobj_Class *_my_class = NULL;
1205 /* FIXME: Set proper type descriptions. */
1206 EAPI const Eobj_Event_Description _EOBJ_SIG_CALLBACK_ADD =
1207 EOBJ_EVENT_DESCRIPTION("callback,add", "?", "Called when a callback was added.");
1208 EAPI const Eobj_Event_Description _EOBJ_SIG_CALLBACK_DEL =
1209 EOBJ_EVENT_DESCRIPTION("callback,del", "?", "Called when a callback was deleted.");
1212 _constructor(Eobj *obj)
1214 DBG("%p - %s.", obj, _my_class->desc->name);
1218 _destructor(Eobj *obj)
1220 DBG("%p - %s.", obj, _my_class->desc->name);
1223 EAPI const Eobj_Class *
1224 eobj_base_class_get(void)
1226 if (_my_class) return _my_class;
1228 static const Eobj_Class_Description class_desc = {
1230 EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT,
1231 EOBJ_CLASS_DESCRIPTION_OPS(NULL, NULL, 0),
1240 return _my_class = eobj_class_new(&class_desc, NULL, NULL);