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;
218 static inline Eina_Bool
219 _eobj_kls_itr_init(Eobj *obj, Eobj_Op op)
223 Eobj_Kls_Itr_Node *node =
224 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
233 Eobj_Kls_Itr_Node *node = calloc(1, sizeof(*node));
235 node->kls_itr = obj->klass->mro;
236 obj->kls_itr = eina_inlist_prepend(obj->kls_itr,
237 EINA_INLIST_GET(node));
244 _eobj_kls_itr_end(Eobj *obj, Eobj_Op op)
246 Eobj_Kls_Itr_Node *node =
247 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
252 obj->kls_itr = eina_inlist_remove(obj->kls_itr, obj->kls_itr);
256 static inline const Eobj_Class *
257 _eobj_kls_itr_get(Eobj *obj)
259 Eobj_Kls_Itr_Node *node =
260 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
262 return (node) ? *(node->kls_itr) : NULL;
265 static inline const Eobj_Class *
266 _eobj_kls_itr_next(Eobj *obj)
268 Eobj_Kls_Itr_Node *node =
269 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
270 const Eobj_Class **kls_itr = node->kls_itr;
274 node->kls_itr = kls_itr;
283 static inline Eina_Bool
284 _eobj_kls_itr_reached_end(const Eobj *obj)
286 Eobj_Kls_Itr_Node *node =
287 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
288 const Eobj_Class **kls_itr = node->kls_itr;
289 return !(*kls_itr && *(kls_itr + 1));
292 /* FIXME: Decide if it should be fast, and if so, add a mapping.
293 * Otherwise, this is very slow. But since it's only for debugging... */
294 static const Eobj_Op_Description *
295 _eobj_op_id_desc_get(Eobj_Op op)
298 Eobj_Class **cls_itr = _eobj_classes;
300 for (i = 0 ; i < _eobj_classes_last_id ; i++, cls_itr++)
304 const Eobj_Op_Description *desc = (*cls_itr)->desc->ops.descs;
308 Eobj_Op base_op_id = *(*cls_itr)->desc->ops.base_op_id;
311 if ((base_op_id + desc->sub_op) == op)
322 _eobj_op_internal(Eobj *obj, Eobj_Op op, va_list *p_list)
324 const Eobj_Class *klass;
325 Eina_Bool ret = EINA_FALSE;
328 _itr_init = _eobj_kls_itr_init(obj, op);
329 klass = _eobj_kls_itr_get(obj);
332 eobj_op_func_type func = dich_func_get(klass, op);
336 func(obj, op, p_list);
341 klass = _eobj_kls_itr_next(obj);
344 /* Try composite objects */
348 EINA_LIST_FOREACH(obj->composite_objects, itr, emb_obj)
350 if (_eobj_op_internal(emb_obj, op, p_list))
360 if (_itr_init) _eobj_kls_itr_end(obj, op);
364 static inline Eina_Bool
365 _eobj_ops_internal(Eobj *obj, va_list *p_list)
367 Eina_Bool ret = EINA_TRUE;
370 op = va_arg(*p_list, Eobj_Op);
373 if (!_eobj_op_internal(obj, op, p_list))
375 const Eobj_Op_Description *desc = _eobj_op_id_desc_get(op);
376 const char *_id_name = (desc) ? desc->name : NULL;
377 const Eobj_Class *op_klass = OP_CLASS_GET(op);
378 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
379 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
380 op, _id_name, _dom_name,
381 obj->klass->desc->name);
385 op = va_arg(*p_list, Eobj_Op);
392 eobj_do_internal(Eobj *obj, ...)
396 va_start(p_list, obj);
397 ret = _eobj_ops_internal(obj, &p_list);
403 eobj_super_do(Eobj *obj, Eobj_Op op, ...)
405 const Eobj_Class *obj_klass;
406 Eina_Bool ret = EINA_TRUE;
409 va_start(p_list, op);
411 /* Advance the kls itr. */
412 obj_klass = _eobj_kls_itr_next(obj);
413 if (!_eobj_op_internal(obj, op, &p_list))
415 const Eobj_Op_Description *desc = _eobj_op_id_desc_get(op);
416 const char *_id_name = (desc) ? desc->name : NULL;
417 const Eobj_Class *op_klass = OP_CLASS_GET(op);
418 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
419 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
420 op, _id_name, _dom_name,
421 (obj_klass) ? obj_klass->desc->name : NULL);
429 EAPI const Eobj_Class *
430 eobj_class_get(Eobj *obj)
436 eobj_class_name_get(const Eobj_Class *klass)
438 return klass->desc->name;
442 _eobj_class_base_op_init(Eobj_Class *klass)
444 const Eobj_Class_Description *desc = klass->desc;
445 if (!desc || !desc->ops.base_op_id)
448 /* FIXME: Depends on values defined above! */
449 *(desc->ops.base_op_id) = klass->class_id << OP_CLASS_OFFSET;
453 _eobj_class_mro_add(Eina_List *mro, const Eobj_Class *klass)
458 mro = eina_list_append(mro, klass);
461 Eobj_Extension_Node *extn;
462 EINA_INLIST_FOREACH(klass->extensions, extn)
464 mro = _eobj_class_mro_add(mro, extn->klass);
468 mro = _eobj_class_mro_add(mro, klass->parent);
474 _eobj_class_mro_init(Eobj_Class *klass)
476 Eina_List *mro = NULL;
478 DBG("Started creating MRO for class '%s'", klass->desc->name);
479 mro = _eobj_class_mro_add(mro, klass);
482 Eina_List *itr1, *itr2, *itr2n;
484 itr1 = eina_list_last(mro);
487 itr2 = eina_list_prev(itr1);
491 itr2n = eina_list_prev(itr2);
493 if (eina_list_data_get(itr1) == eina_list_data_get(itr2))
495 mro = eina_list_remove_list(mro, itr2);
501 itr1 = eina_list_prev(itr1);
505 /* Copy the mro and free the list. */
507 const Eobj_Class *kls_itr;
508 const Eobj_Class **mro_itr;
509 klass->mro = calloc(sizeof(*klass->mro), eina_list_count(mro) + 1);
511 mro_itr = klass->mro;
513 EINA_LIST_FREE(mro, kls_itr)
515 *(mro_itr++) = kls_itr;
517 DBG("Added '%s' to MRO", kls_itr->desc->name);
522 DBG("Finished creating MRO for class '%s'", klass->desc->name);
526 _eobj_class_constructor(Eobj_Class *klass)
528 if (klass->constructed)
531 klass->constructed = EINA_TRUE;
533 if (klass->desc->class_constructor)
534 klass->desc->class_constructor(klass);
536 _eobj_class_mro_init(klass);
540 eobj_class_funcs_set(Eobj_Class *klass, const Eobj_Op_Func_Description *func_descs)
542 const Eobj_Op_Func_Description *itr;
546 for ( ; itr->op != 0 ; itr++)
548 dich_func_set(klass, itr->op, itr->func);
554 eobj_class_new(const Eobj_Class_Description *desc, const Eobj_Class *parent, ...)
559 va_start(p_list, parent);
561 #define _CLS_NEW_CHECK(x) \
566 ERR("%s can't be NULL! Aborting.", #x); \
572 _CLS_NEW_CHECK(desc);
573 _CLS_NEW_CHECK(desc->name);
575 klass = calloc(1, sizeof(Eobj_Class));
576 klass->parent = parent;
577 klass->class_id = ++_eobj_classes_last_id;
579 /* FIXME: Handle errors. */
581 tmp = realloc(_eobj_classes, _eobj_classes_last_id * sizeof(*_eobj_classes));
583 _eobj_classes[klass->class_id - 1] = klass;
586 /* Handle class extensions */
588 Eobj_Class *extn = NULL;
590 extn = va_arg(p_list, Eobj_Class *);
593 switch (extn->desc->type)
595 case EOBJ_CLASS_TYPE_REGULAR:
596 case EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT:
597 /* Use it like an interface. */
598 case EOBJ_CLASS_TYPE_INTERFACE:
600 case EOBJ_CLASS_TYPE_MIXIN:
602 Eobj_Extension_Node *node = calloc(1, sizeof(*node));
605 eina_inlist_append(klass->extensions,
606 EINA_INLIST_GET(node));
611 extn = va_arg(p_list, Eobj_Class *);
617 /* If we have a class parent, update the current offset. */
620 /* FIXME: Make sure this alignment is enough. */
621 klass->data_offset = klass->parent->data_offset +
622 klass->parent->desc->private_size +
624 (klass->parent->desc->private_size % sizeof(void *)));
627 _eobj_class_base_op_init(klass);
629 /* FIXME: Shouldn't be called here - should be called from eobj_add. */
630 _eobj_class_constructor(klass);
636 #undef _CLS_NEW_CHECK
639 eobj_class_free(Eobj_Class *klass)
641 if (klass->constructed)
643 if (klass->desc->class_destructor)
644 klass->desc->class_destructor(klass);
646 dich_func_clean_all(klass);
651 Eobj_Extension_Node *extn;
652 EINA_INLIST_FOREACH_SAFE(klass->extensions, itrn, extn)
664 eobj_add(const Eobj_Class *klass, Eobj *parent)
666 if (klass->desc->type != EOBJ_CLASS_TYPE_REGULAR)
668 ERR("Class '%s' is not instantiate-able. Aborting.", klass->desc->name);
672 Eobj *obj = calloc(1, sizeof(*obj));
674 obj->parent = parent;
678 obj->data_blob = calloc(1, klass->data_offset + klass->desc->private_size);
680 _eobj_kls_itr_init(obj, EOBJ_NOOP);
681 eobj_class_constructor(obj, klass);
682 if (eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY))
684 ERR("Type '%s' - One of the object constructors have failed.", klass->desc->name);
688 if (!_eobj_kls_itr_reached_end(obj))
690 ERR("Type '%s' - Not all of the object constructors have been executed.", klass->desc->name);
693 _eobj_kls_itr_end(obj, EOBJ_NOOP);
710 eobj_unref(Eobj *obj)
712 if (--(obj->refcount) == 0)
714 const Eobj_Class *klass = eobj_class_get(obj);
715 _eobj_kls_itr_init(obj, EOBJ_NOOP);
716 eobj_class_destructor(obj, klass);
717 if (eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY))
719 ERR("Type '%s' - One of the object destructors have failed.", klass->desc->name);
722 if (!_eobj_kls_itr_reached_end(obj))
724 ERR("Type '%s' - Not all of the object destructors have been executed.", klass->desc->name);
726 _eobj_kls_itr_end(obj, EOBJ_NOOP);
727 /*FIXME: add eobj_class_unref(klass) ? - just to clear the caches. */
729 /* If for some reason it's not empty, clear it. */
732 Eina_Inlist *nitr = nitr->next;
733 free(EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node));
737 Eina_List *itr, *itr_n;
739 EINA_LIST_FOREACH_SAFE(obj->composite_objects, itr, itr_n, emb_obj)
742 obj->composite_objects =
743 eina_list_remove_list(obj->composite_objects, itr);
746 _eobj_callback_remove_all(obj);
749 free(obj->data_blob);
751 _eobj_generic_data_del_all(obj);
758 eobj_ref_get(const Eobj *obj)
760 return obj->refcount;
766 obj->delete = EINA_TRUE;
771 eobj_parent_get(Eobj *obj)
777 eobj_constructor_error_set(Eobj *obj)
779 eobj_generic_data_set(obj, CONSTRUCT_ERROR_KEY, (void *) EINA_TRUE);
783 eobj_constructor_error_get(const Eobj *obj)
785 return (intptr_t) eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY);
789 _eobj_constructor_default(Eobj *obj)
791 eobj_constructor_super(obj);
795 _eobj_destructor_default(Eobj *obj)
797 eobj_destructor_super(obj);
801 eobj_class_constructor(Eobj *obj, const Eobj_Class *klass)
806 if (klass->desc->constructor)
807 klass->desc->constructor(obj);
809 _eobj_constructor_default(obj);
813 eobj_class_destructor(Eobj *obj, const Eobj_Class *klass)
818 if (klass->desc->destructor)
819 klass->desc->destructor(obj);
821 _eobj_destructor_default(obj);
825 eobj_constructor_super(Eobj *obj)
827 eobj_class_constructor(obj, _eobj_kls_itr_next(obj));
831 eobj_destructor_super(Eobj *obj)
833 eobj_class_destructor(obj, _eobj_kls_itr_next(obj));
837 eobj_data_get(Eobj *obj, const Eobj_Class *klass)
839 /* FIXME: Add a check that this is of the right klass and we don't seg.
840 * Probably just return NULL. */
841 return ((char *) obj->data_blob) + klass->data_offset;
847 Eina_Stringshare *key;
849 } Eobj_Generic_Data_Node;
852 _eobj_generic_data_node_free(Eobj_Generic_Data_Node *node)
854 eina_stringshare_del(node->key);
859 _eobj_generic_data_del_all(Eobj *obj)
862 Eobj_Generic_Data_Node *node;
864 EINA_INLIST_FOREACH_SAFE(obj->generic_data, nnode, node)
866 obj->generic_data = eina_inlist_remove(obj->generic_data,
867 EINA_INLIST_GET(node));
869 _eobj_generic_data_node_free(node);
874 eobj_generic_data_set(Eobj *obj, const char *key, const void *data)
877 Eobj_Generic_Data_Node *node;
879 if (!key) return NULL;
880 if (!data) return NULL;
882 prev_data = eobj_generic_data_del(obj, key);
884 node = malloc(sizeof(Eobj_Generic_Data_Node));
885 node->key = eina_stringshare_add(key);
886 node->data = (void *) data;
887 obj->generic_data = eina_inlist_prepend(obj->generic_data,
888 EINA_INLIST_GET(node));
894 eobj_generic_data_get(const Eobj *obj, const char *key)
896 Eobj_Generic_Data_Node *node;
898 if (!key) return NULL;
900 EINA_INLIST_FOREACH(obj->generic_data, node)
902 if (!strcmp(node->key, key))
904 ((Eobj *) obj)->generic_data =
905 eina_inlist_promote(obj->generic_data, EINA_INLIST_GET(node));
913 eobj_generic_data_del(Eobj *obj, const char *key)
915 Eobj_Generic_Data_Node *node;
917 if (!key) return NULL;
919 EINA_INLIST_FOREACH(obj->generic_data, node)
921 if (!strcmp(node->key, key))
926 obj->generic_data = eina_inlist_remove(obj->generic_data,
927 EINA_INLIST_GET(node));
928 _eobj_generic_data_node_free(node);
938 if (_eobj_init_count++ > 0)
943 _eobj_classes = NULL;
944 _eobj_classes_last_id = 0;
945 _eobj_log_dom = eina_log_domain_register("eobj", EINA_COLOR_LIGHTBLUE);
946 if (_eobj_log_dom < 0)
948 EINA_LOG_ERR("Could not register log domain: eobj");
959 Eobj_Class **cls_itr = _eobj_classes;
961 if (--_eobj_init_count > 0)
964 for (i = 0 ; i < _eobj_classes_last_id ; i++, cls_itr++)
967 eobj_class_free(*cls_itr);
973 eina_log_domain_unregister(_eobj_log_dom);
981 eobj_composite_object_attach(Eobj *obj, Eobj *emb_obj)
984 obj->composite_objects = eina_list_prepend(obj->composite_objects, emb_obj);
988 eobj_composite_object_detach(Eobj *obj, Eobj *emb_obj)
990 obj->composite_objects = eina_list_remove(obj->composite_objects, emb_obj);
995 eobj_composite_is(Eobj *emb_obj)
997 Eobj *obj = eobj_parent_get(emb_obj);
1000 EINA_LIST_FOREACH(obj->composite_objects, itr, tmp)
1010 struct _Eobj_Callback_Description
1013 const Eobj_Event_Description *event;
1016 Eobj_Callback_Priority priority;
1017 Eina_Bool delete_me : 1;
1020 /* Actually remove, doesn't care about walking list, or delete_me */
1022 _eobj_callback_remove(Eobj *obj, Eobj_Callback_Description *cb)
1024 obj->callbacks = eina_inlist_remove(obj->callbacks,
1025 EINA_INLIST_GET(cb));
1029 /* Actually remove, doesn't care about walking list, or delete_me */
1031 _eobj_callback_remove_all(Eobj *obj)
1034 Eobj_Callback_Description *cb;
1035 EINA_INLIST_FOREACH_SAFE(obj->callbacks, initr, cb)
1037 _eobj_callback_remove(obj, cb);
1042 _eobj_callbacks_clear(Eobj *obj)
1045 Eobj_Callback_Description *cb;
1047 /* Abort if we are currently walking the list. */
1048 if (obj->walking_list > 0)
1051 EINA_INLIST_FOREACH_SAFE(obj->callbacks, itn, cb)
1055 _eobj_callback_remove(obj, cb);
1061 _callback_priority_cmp(const void *_a, const void *_b)
1063 const Eobj_Callback_Description *a, *b;
1064 a = (const Eobj_Callback_Description *) _a;
1065 b = (const Eobj_Callback_Description *) _b;
1066 if (a->priority < b->priority)
1073 eobj_event_callback_add(Eobj *obj,
1074 const Eobj_Event_Description *desc,
1078 return eobj_event_callback_priority_add(obj, desc,
1079 EOBJ_CALLBACK_PRIORITY_DEFAULT, cb, data);
1083 eobj_event_callback_priority_add(Eobj *obj,
1084 const Eobj_Event_Description *desc,
1085 Eobj_Callback_Priority priority,
1089 Eobj_Callback_Description *cb = calloc(1, sizeof(*cb));
1092 cb->func_data = (void *) data;
1093 cb->priority = priority;
1094 obj->callbacks = eina_inlist_sorted_insert(obj->callbacks,
1095 EINA_INLIST_GET(cb), _callback_priority_cmp);
1097 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_ADD, desc);
1103 eobj_event_callback_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func)
1106 Eobj_Callback_Description *cb;
1107 EINA_INLIST_FOREACH(obj->callbacks, cb)
1109 if ((cb->event == desc) && (cb->func == func))
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_del_full(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func, const void *user_data)
1130 Eobj_Callback_Description *cb;
1131 EINA_INLIST_FOREACH(obj->callbacks, cb)
1133 if ((cb->event == desc) && (cb->func == func) &&
1134 (cb->func_data == user_data))
1138 data = cb->func_data;
1139 cb->delete_me = EINA_TRUE;
1140 _eobj_callbacks_clear(obj);
1147 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_DEL, desc);
1152 eobj_event_callback_call(Eobj *obj, const Eobj_Event_Description *desc,
1153 const void *event_info)
1155 Eobj_Callback_Description *cb;
1157 obj->walking_list++;
1159 EINA_INLIST_FOREACH(obj->callbacks, cb)
1161 if (!cb->delete_me && (cb->event == desc))
1163 /* Abort callback calling if the func says so. */
1164 if (!cb->func((void *) cb->func_data, obj, desc,
1165 (void *) event_info))
1173 obj->walking_list--;
1174 _eobj_callbacks_clear(obj);
1180 _eobj_event_forwarder_callback(void *data, Eobj *obj, const Eobj_Event_Description *desc, void *event_info)
1183 Eobj *new_obj = (Eobj *) data;
1184 return eobj_event_callback_call(new_obj, desc, event_info);
1187 /* FIXME: Change default priority? Maybe call later? */
1189 eobj_event_callback_forwarder_add(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1191 return eobj_event_callback_add(obj, desc, _eobj_event_forwarder_callback, new_obj);
1195 eobj_event_callback_forwarder_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1197 eobj_event_callback_del_full(obj, desc, _eobj_event_forwarder_callback, new_obj);
1201 /* EOBJ_CLASS_BASE stuff */
1202 static Eobj_Class *_my_class = NULL;
1204 /* FIXME: Set proper type descriptions. */
1205 EAPI const Eobj_Event_Description _EOBJ_SIG_CALLBACK_ADD =
1206 EOBJ_EVENT_DESCRIPTION("callback,add", "?", "Called when a callback was added.");
1207 EAPI const Eobj_Event_Description _EOBJ_SIG_CALLBACK_DEL =
1208 EOBJ_EVENT_DESCRIPTION("callback,del", "?", "Called when a callback was deleted.");
1211 _constructor(Eobj *obj)
1213 DBG("%p - %s.", obj, _my_class->desc->name);
1217 _destructor(Eobj *obj)
1219 DBG("%p - %s.", obj, _my_class->desc->name);
1222 EAPI const Eobj_Class *
1223 eobj_base_class_get(void)
1225 if (_my_class) return _my_class;
1227 static const Eobj_Class_Description class_desc = {
1229 EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT,
1230 EOBJ_CLASS_DESCRIPTION_OPS(NULL, NULL, 0),
1239 return _my_class = eobj_class_new(&class_desc, NULL, NULL);