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;
212 _eobj_kls_itr_init(Eobj *obj)
214 obj->kls_itr = eina_list_prepend(obj->kls_itr, obj->klass->mro);
218 _eobj_kls_itr_end(Eobj *obj)
220 obj->kls_itr = eina_list_remove_list(obj->kls_itr, obj->kls_itr);
223 static inline const Eobj_Class *
224 _eobj_kls_itr_next(Eobj *obj)
226 const Eobj_Class **kls_itr = eina_list_data_get(obj->kls_itr);
230 eina_list_data_set(obj->kls_itr, kls_itr);
239 static inline Eina_Bool
240 _eobj_kls_itr_reached_end(const Eobj *obj)
242 const Eobj_Class **kls_itr = eina_list_data_get(obj->kls_itr);
243 return !(*kls_itr && *(kls_itr + 1));
246 /* FIXME: Decide if it should be fast, and if so, add a mapping.
247 * Otherwise, this is very slow. But since it's only for debugging... */
248 static const Eobj_Op_Description *
249 _eobj_op_id_desc_get(Eobj_Op op)
252 Eobj_Class **cls_itr = _eobj_classes;
254 for (i = 0 ; i < _eobj_classes_last_id ; i++, cls_itr++)
258 const Eobj_Op_Description *desc = (*cls_itr)->desc->ops.descs;
262 Eobj_Op base_op_id = *(*cls_itr)->desc->ops.base_op_id;
265 if ((base_op_id + desc->sub_op) == op)
276 _eobj_op_internal(Eobj *obj, const Eobj_Class *obj_klass, Eobj_Op op, va_list *p_list, Eina_Bool recursive)
278 const Eobj_Class *klass = obj_klass;
279 eobj_op_func_type func;
286 func = dich_func_get(klass, op);
290 func(obj, op, p_list);
295 klass = klass->parent;
305 /* FIXME: Should probably flatten everything. to be faster. */
308 Eobj_Extension_Node *itr;
309 EINA_INLIST_FOREACH(klass->extensions, itr)
311 if (_eobj_op_internal(obj, itr->klass, op, p_list, recursive))
318 /* Try composite objects */
322 EINA_LIST_FOREACH(obj->composite_objects, itr, emb_obj)
324 if (_eobj_op_internal(emb_obj, eobj_class_get(emb_obj), op, p_list, recursive))
331 /* If haven't found anything, return FALSE */
338 static inline Eina_Bool
339 _eobj_ops_internal(Eobj *obj, const Eobj_Class *obj_klass, va_list *p_list)
341 Eina_Bool ret = EINA_TRUE;
344 op = va_arg(*p_list, Eobj_Op);
347 if (!_eobj_op_internal(obj, obj_klass, op, p_list, EINA_TRUE))
349 const Eobj_Op_Description *desc = _eobj_op_id_desc_get(op);
350 const char *_id_name = (desc) ? desc->name : NULL;
351 const Eobj_Class *op_klass = OP_CLASS_GET(op);
352 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
353 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
354 op, _id_name, _dom_name,
355 obj_klass->desc->name);
359 op = va_arg(*p_list, Eobj_Op);
366 eobj_do_internal(Eobj *obj, ...)
370 va_start(p_list, obj);
371 _eobj_kls_itr_init(obj);
372 ret = _eobj_ops_internal(obj, eobj_class_get(obj), &p_list);
373 _eobj_kls_itr_end(obj);
379 eobj_super_do(Eobj *obj, Eobj_Op op, ...)
381 const Eobj_Class *obj_klass = _eobj_kls_itr_next(obj);
382 if (!obj_klass) return EINA_TRUE;
384 Eina_Bool ret = EINA_TRUE;
386 va_start(p_list, op);
387 if (!_eobj_op_internal(obj, obj_klass, op, &p_list, EINA_FALSE))
389 const Eobj_Op_Description *desc = _eobj_op_id_desc_get(op);
390 const char *_id_name = (desc) ? desc->name : NULL;
391 const Eobj_Class *op_klass = OP_CLASS_GET(op);
392 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
393 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
394 op, _id_name, _dom_name,
395 obj_klass->desc->name);
402 EAPI const Eobj_Class *
403 eobj_class_get(Eobj *obj)
408 EAPI const Eobj_Class *
409 eobj_class_parent_get(const Eobj_Class *klass)
411 return klass->parent;
415 eobj_class_name_get(const Eobj_Class *klass)
417 return klass->desc->name;
421 _eobj_class_base_op_init(Eobj_Class *klass)
423 const Eobj_Class_Description *desc = klass->desc;
424 if (!desc || !desc->ops.base_op_id)
427 /* FIXME: Depends on values defined above! */
428 *(desc->ops.base_op_id) = klass->class_id << OP_CLASS_OFFSET;
432 _eobj_class_mro_add(Eina_List *mro, const Eobj_Class *klass)
437 mro = eina_list_append(mro, klass);
440 Eobj_Extension_Node *extn;
441 EINA_INLIST_FOREACH(klass->extensions, extn)
443 mro = _eobj_class_mro_add(mro, extn->klass);
447 mro = _eobj_class_mro_add(mro, klass->parent);
453 _eobj_class_mro_init(Eobj_Class *klass)
455 Eina_List *mro = NULL;
457 DBG("Started creating MRO for class '%s'", klass->desc->name);
458 mro = _eobj_class_mro_add(mro, klass);
461 Eina_List *itr1, *itr2, *itr2n;
463 itr1 = eina_list_last(mro);
466 itr2 = eina_list_prev(itr1);
470 itr2n = eina_list_prev(itr2);
472 if (eina_list_data_get(itr1) == eina_list_data_get(itr2))
474 mro = eina_list_remove_list(mro, itr2);
480 itr1 = eina_list_prev(itr1);
484 /* Copy the mro and free the list. */
486 const Eobj_Class *kls_itr;
487 const Eobj_Class **mro_itr;
488 klass->mro = calloc(sizeof(*klass->mro), eina_list_count(mro) + 1);
490 mro_itr = klass->mro;
492 EINA_LIST_FREE(mro, kls_itr)
494 *(mro_itr++) = kls_itr;
496 DBG("Added '%s' to MRO", kls_itr->desc->name);
501 DBG("Finished creating MRO for class '%s'", klass->desc->name);
505 _eobj_class_constructor(Eobj_Class *klass)
507 if (klass->constructed)
510 klass->constructed = EINA_TRUE;
512 if (klass->desc->class_constructor)
513 klass->desc->class_constructor(klass);
515 _eobj_class_mro_init(klass);
519 eobj_class_funcs_set(Eobj_Class *klass, const Eobj_Op_Func_Description *func_descs)
521 const Eobj_Op_Func_Description *itr;
525 for ( ; itr->op != 0 ; itr++)
527 dich_func_set(klass, itr->op, itr->func);
533 eobj_class_new(const Eobj_Class_Description *desc, const Eobj_Class *parent, ...)
538 va_start(p_list, parent);
540 #define _CLS_NEW_CHECK(x) \
545 ERR("%s can't be NULL! Aborting.", #x); \
551 _CLS_NEW_CHECK(desc);
552 _CLS_NEW_CHECK(desc->name);
554 klass = calloc(1, sizeof(Eobj_Class));
555 klass->parent = parent;
556 klass->class_id = ++_eobj_classes_last_id;
558 /* FIXME: Handle errors. */
560 tmp = realloc(_eobj_classes, _eobj_classes_last_id * sizeof(*_eobj_classes));
562 _eobj_classes[klass->class_id - 1] = klass;
565 /* Handle class extensions */
567 Eobj_Class *extn = NULL;
569 extn = va_arg(p_list, Eobj_Class *);
572 switch (extn->desc->type)
574 case EOBJ_CLASS_TYPE_REGULAR:
575 case EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT:
576 /* Use it like an interface. */
577 case EOBJ_CLASS_TYPE_INTERFACE:
579 case EOBJ_CLASS_TYPE_MIXIN:
581 Eobj_Extension_Node *node = calloc(1, sizeof(*node));
584 eina_inlist_append(klass->extensions,
585 EINA_INLIST_GET(node));
590 extn = va_arg(p_list, Eobj_Class *);
596 /* If we have a parent, update the current offset. */
599 /* FIXME: Make sure this alignment is enough. */
600 klass->data_offset = klass->parent->data_offset +
601 klass->parent->desc->private_size +
603 (klass->parent->desc->private_size % sizeof(void *)));
606 _eobj_class_base_op_init(klass);
608 /* FIXME: Shouldn't be called here - should be called from eobj_add. */
609 _eobj_class_constructor(klass);
615 #undef _CLS_NEW_CHECK
618 eobj_class_free(Eobj_Class *klass)
620 if (klass->constructed)
622 if (klass->desc->class_destructor)
623 klass->desc->class_destructor(klass);
625 dich_func_clean_all(klass);
630 Eobj_Extension_Node *extn;
631 EINA_INLIST_FOREACH_SAFE(klass->extensions, itrn, extn)
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 obj->data_blob = calloc(1, klass->data_offset + klass->desc->private_size);
659 _eobj_kls_itr_init(obj);
660 eobj_class_constructor(obj, klass);
661 if (eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY))
663 ERR("Type '%s' - One of the object constructors have failed.", klass->desc->name);
667 if (!_eobj_kls_itr_reached_end(obj))
669 ERR("Type '%s' - Not all of the object constructors have been executed.", klass->desc->name);
672 _eobj_kls_itr_end(obj);
689 eobj_unref(Eobj *obj)
691 if (--(obj->refcount) == 0)
693 const Eobj_Class *klass = eobj_class_get(obj);
694 _eobj_kls_itr_init(obj);
695 eobj_class_destructor(obj, klass);
696 if (eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY))
698 ERR("Type '%s' - One of the object destructors have failed.", klass->desc->name);
701 if (!_eobj_kls_itr_reached_end(obj))
703 ERR("Type '%s' - Not all of the object destructors have been executed.", klass->desc->name);
705 _eobj_kls_itr_end(obj);
706 /*FIXME: add eobj_class_unref(klass) ? - just to clear the caches. */
708 /* If for some reason it's not empty, clear it. */
709 eina_list_free(obj->kls_itr);
711 Eina_List *itr, *itr_n;
713 EINA_LIST_FOREACH_SAFE(obj->composite_objects, itr, itr_n, emb_obj)
716 obj->composite_objects =
717 eina_list_remove_list(obj->composite_objects, itr);
720 _eobj_callback_remove_all(obj);
723 free(obj->data_blob);
725 _eobj_generic_data_del_all(obj);
732 eobj_ref_get(const Eobj *obj)
734 return obj->refcount;
740 obj->delete = EINA_TRUE;
745 eobj_parent_get(Eobj *obj)
751 eobj_constructor_error_set(Eobj *obj)
753 eobj_generic_data_set(obj, CONSTRUCT_ERROR_KEY, (void *) EINA_TRUE);
757 eobj_constructor_error_get(const Eobj *obj)
759 return (intptr_t) eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY);
763 _eobj_constructor_default(Eobj *obj)
765 eobj_constructor_super(obj);
769 _eobj_destructor_default(Eobj *obj)
771 eobj_destructor_super(obj);
775 eobj_class_constructor(Eobj *obj, const Eobj_Class *klass)
780 if (klass->desc->constructor)
781 klass->desc->constructor(obj);
783 _eobj_constructor_default(obj);
787 eobj_class_destructor(Eobj *obj, const Eobj_Class *klass)
792 if (klass->desc->destructor)
793 klass->desc->destructor(obj);
795 _eobj_destructor_default(obj);
799 eobj_constructor_super(Eobj *obj)
801 eobj_class_constructor(obj, _eobj_kls_itr_next(obj));
805 eobj_destructor_super(Eobj *obj)
807 eobj_class_destructor(obj, _eobj_kls_itr_next(obj));
811 eobj_data_get(Eobj *obj, const Eobj_Class *klass)
813 /* FIXME: Add a check that this is of the right klass and we don't seg.
814 * Probably just return NULL. */
815 return ((char *) obj->data_blob) + klass->data_offset;
821 Eina_Stringshare *key;
823 } Eobj_Generic_Data_Node;
826 _eobj_generic_data_node_free(Eobj_Generic_Data_Node *node)
828 eina_stringshare_del(node->key);
833 _eobj_generic_data_del_all(Eobj *obj)
836 Eobj_Generic_Data_Node *node;
838 EINA_INLIST_FOREACH_SAFE(obj->generic_data, nnode, node)
840 obj->generic_data = eina_inlist_remove(obj->generic_data,
841 EINA_INLIST_GET(node));
843 _eobj_generic_data_node_free(node);
848 eobj_generic_data_set(Eobj *obj, const char *key, const void *data)
851 Eobj_Generic_Data_Node *node;
853 if (!key) return NULL;
854 if (!data) return NULL;
856 prev_data = eobj_generic_data_del(obj, key);
858 node = malloc(sizeof(Eobj_Generic_Data_Node));
859 node->key = eina_stringshare_add(key);
860 node->data = (void *) data;
861 obj->generic_data = eina_inlist_prepend(obj->generic_data,
862 EINA_INLIST_GET(node));
868 eobj_generic_data_get(const Eobj *obj, const char *key)
870 Eobj_Generic_Data_Node *node;
872 if (!key) return NULL;
874 EINA_INLIST_FOREACH(obj->generic_data, node)
876 if (!strcmp(node->key, key))
878 ((Eobj *) obj)->generic_data =
879 eina_inlist_promote(obj->generic_data, EINA_INLIST_GET(node));
887 eobj_generic_data_del(Eobj *obj, const char *key)
889 Eobj_Generic_Data_Node *node;
891 if (!key) return NULL;
893 EINA_INLIST_FOREACH(obj->generic_data, node)
895 if (!strcmp(node->key, key))
900 obj->generic_data = eina_inlist_remove(obj->generic_data,
901 EINA_INLIST_GET(node));
902 _eobj_generic_data_node_free(node);
912 if (_eobj_init_count++ > 0)
917 _eobj_classes = NULL;
918 _eobj_classes_last_id = 0;
919 _eobj_log_dom = eina_log_domain_register("eobj", EINA_COLOR_LIGHTBLUE);
920 if (_eobj_log_dom < 0)
922 EINA_LOG_ERR("Could not register log domain: eobj");
933 Eobj_Class **cls_itr = _eobj_classes;
935 if (--_eobj_init_count > 0)
938 for (i = 0 ; i < _eobj_classes_last_id ; i++, cls_itr++)
941 eobj_class_free(*cls_itr);
947 eina_log_domain_unregister(_eobj_log_dom);
955 eobj_composite_object_attach(Eobj *obj, Eobj *emb_obj)
958 obj->composite_objects = eina_list_prepend(obj->composite_objects, emb_obj);
962 eobj_composite_object_detach(Eobj *obj, Eobj *emb_obj)
964 obj->composite_objects = eina_list_remove(obj->composite_objects, emb_obj);
969 eobj_composite_is(Eobj *emb_obj)
971 Eobj *obj = eobj_parent_get(emb_obj);
974 EINA_LIST_FOREACH(obj->composite_objects, itr, tmp)
984 struct _Eobj_Callback_Description
987 const Eobj_Event_Description *event;
990 Eobj_Callback_Priority priority;
991 Eina_Bool delete_me : 1;
994 /* Actually remove, doesn't care about walking list, or delete_me */
996 _eobj_callback_remove(Eobj *obj, Eobj_Callback_Description *cb)
998 obj->callbacks = eina_inlist_remove(obj->callbacks,
999 EINA_INLIST_GET(cb));
1003 /* Actually remove, doesn't care about walking list, or delete_me */
1005 _eobj_callback_remove_all(Eobj *obj)
1008 Eobj_Callback_Description *cb;
1009 EINA_INLIST_FOREACH_SAFE(obj->callbacks, initr, cb)
1011 _eobj_callback_remove(obj, cb);
1016 _eobj_callbacks_clear(Eobj *obj)
1019 Eobj_Callback_Description *cb;
1021 /* Abort if we are currently walking the list. */
1022 if (obj->walking_list > 0)
1025 EINA_INLIST_FOREACH_SAFE(obj->callbacks, itn, cb)
1029 _eobj_callback_remove(obj, cb);
1035 _callback_priority_cmp(const void *_a, const void *_b)
1037 const Eobj_Callback_Description *a, *b;
1038 a = (const Eobj_Callback_Description *) _a;
1039 b = (const Eobj_Callback_Description *) _b;
1040 if (a->priority < b->priority)
1047 eobj_event_callback_add(Eobj *obj,
1048 const Eobj_Event_Description *desc,
1052 return eobj_event_callback_priority_add(obj, desc,
1053 EOBJ_CALLBACK_PRIORITY_DEFAULT, cb, data);
1057 eobj_event_callback_priority_add(Eobj *obj,
1058 const Eobj_Event_Description *desc,
1059 Eobj_Callback_Priority priority,
1063 Eobj_Callback_Description *cb = calloc(1, sizeof(*cb));
1066 cb->func_data = (void *) data;
1067 cb->priority = priority;
1068 obj->callbacks = eina_inlist_sorted_insert(obj->callbacks,
1069 EINA_INLIST_GET(cb), _callback_priority_cmp);
1071 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_ADD, desc);
1077 eobj_event_callback_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func)
1080 Eobj_Callback_Description *cb;
1081 EINA_INLIST_FOREACH(obj->callbacks, cb)
1083 if ((cb->event == desc) && (cb->func == func))
1087 data = cb->func_data;
1088 cb->delete_me = EINA_TRUE;
1089 _eobj_callbacks_clear(obj);
1096 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_DEL, desc);
1101 eobj_event_callback_del_full(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func, const void *user_data)
1104 Eobj_Callback_Description *cb;
1105 EINA_INLIST_FOREACH(obj->callbacks, cb)
1107 if ((cb->event == desc) && (cb->func == func) &&
1108 (cb->func_data == user_data))
1112 data = cb->func_data;
1113 cb->delete_me = EINA_TRUE;
1114 _eobj_callbacks_clear(obj);
1121 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_DEL, desc);
1126 eobj_event_callback_call(Eobj *obj, const Eobj_Event_Description *desc,
1127 const void *event_info)
1129 Eobj_Callback_Description *cb;
1131 obj->walking_list++;
1133 EINA_INLIST_FOREACH(obj->callbacks, cb)
1135 if (!cb->delete_me && (cb->event == desc))
1137 /* Abort callback calling if the func says so. */
1138 if (!cb->func((void *) cb->func_data, obj, desc,
1139 (void *) event_info))
1147 obj->walking_list--;
1148 _eobj_callbacks_clear(obj);
1154 _eobj_event_forwarder_callback(void *data, Eobj *obj, const Eobj_Event_Description *desc, void *event_info)
1157 Eobj *new_obj = (Eobj *) data;
1158 return eobj_event_callback_call(new_obj, desc, event_info);
1161 /* FIXME: Change default priority? Maybe call later? */
1163 eobj_event_callback_forwarder_add(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1165 return eobj_event_callback_add(obj, desc, _eobj_event_forwarder_callback, new_obj);
1169 eobj_event_callback_forwarder_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1171 eobj_event_callback_del_full(obj, desc, _eobj_event_forwarder_callback, new_obj);
1175 /* EOBJ_CLASS_BASE stuff */
1176 static Eobj_Class *_my_class = NULL;
1178 /* FIXME: Set proper type descriptions. */
1179 EAPI const Eobj_Event_Description _EOBJ_SIG_CALLBACK_ADD =
1180 EOBJ_EVENT_DESCRIPTION("callback,add", "?", "Called when a callback was added.");
1181 EAPI const Eobj_Event_Description _EOBJ_SIG_CALLBACK_DEL =
1182 EOBJ_EVENT_DESCRIPTION("callback,del", "?", "Called when a callback was deleted.");
1185 _constructor(Eobj *obj)
1187 DBG("%p - %s.", obj, _my_class->desc->name);
1191 _destructor(Eobj *obj)
1193 DBG("%p - %s.", obj, _my_class->desc->name);
1196 EAPI const Eobj_Class *
1197 eobj_base_class_get(void)
1199 if (_my_class) return _my_class;
1201 static const Eobj_Class_Description class_desc = {
1203 EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT,
1204 EOBJ_CLASS_DESCRIPTION_OPS(NULL, NULL, 0),
1213 return _my_class = eobj_class_new(&class_desc, NULL, NULL);