7 static int _eobj_log_dom = -1;
9 static Eobj_Class **_eobj_classes;
10 static Eobj_Class_Id _eobj_classes_last_id;
11 static Eina_Bool _eobj_init_count = 0;
13 #define CONSTRUCT_ERROR_KEY "__construct_error"
15 static void _eobj_callback_remove_all(Eobj *obj);
16 static void _eobj_generic_data_del_all(Eobj *obj);
17 static void eobj_class_constructor(Eobj *obj, const Eobj_Class *klass);
18 static void eobj_class_destructor(Eobj *obj, const Eobj_Class *klass);
23 #define CRITICAL(...) EINA_LOG_DOM_CRIT(_eobj_log_dom, __VA_ARGS__)
28 #define ERR(...) EINA_LOG_DOM_ERR(_eobj_log_dom, __VA_ARGS__)
33 #define WRN(...) EINA_LOG_DOM_WARN(_eobj_log_dom, __VA_ARGS__)
38 #define INF(...) EINA_LOG_DOM_INFO(_eobj_log_dom, __VA_ARGS__)
43 #define DBG(...) EINA_LOG_DOM_DBG(_eobj_log_dom, __VA_ARGS__)
45 typedef struct _Eobj_Callback_Description Eobj_Callback_Description;
49 const Eobj_Class *klass;
52 Eina_List *composite_objects;
54 Eina_Inlist *callbacks;
57 Eina_Inlist *generic_data;
66 /* Dich search, split to 0xff 0xff 0xffff */
68 #define DICH_CHAIN1_MASK (0xff)
69 #define DICH_CHAIN2_MASK (0xff)
70 #define DICH_CHAIN_LAST_MASK (0xffff)
71 #define DICH_CHAIN1_SIZE (DICH_CHAIN1_MASK + 1)
72 #define DICH_CHAIN2_SIZE (DICH_CHAIN2_MASK + 1)
73 #define DICH_CHAIN_LAST_SIZE (DICH_CHAIN_LAST_MASK + 1)
74 #define DICH_CHAIN1(x) (((x) >> 24) & DICH_CHAIN1_MASK)
75 #define DICH_CHAIN2(x) (((x) >> 16) & DICH_CHAIN2_MASK)
76 #define DICH_CHAIN_LAST(x) ((x) & DICH_CHAIN_LAST_MASK)
78 #define OP_CLASS_OFFSET 16
79 #define OP_CLASS_OFFSET_GET(x) (((x) >> OP_CLASS_OFFSET) & 0xffff)
80 #define OP_CLASS_GET(op) ({ \
81 Eobj_Class_Id tmp = OP_CLASS_OFFSET_GET(op); \
82 (Eobj_Class *) ((tmp <= _eobj_classes_last_id) && (tmp > 0)) ? \
83 (_eobj_classes[tmp - 1]) : NULL; \
86 /* Structure of Eobj_Op is:
91 typedef struct _Dich_Chain1 Dich_Chain1;
95 eobj_op_func_type func;
100 op_type_funcs *funcs;
111 const Eobj_Class *klass;
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 size_t data_offset; /* < Offset of the data within object data. */
126 Eina_Bool constructed : 1;
129 static inline eobj_op_func_type
130 dich_func_get(const Eobj_Class *klass, Eobj_Op op)
132 const Dich_Chain1 *chain1 = &klass->chain[DICH_CHAIN1(op)];
133 if (!chain1) return NULL;
134 if (!chain1->chain) return NULL;
135 Dich_Chain2 *chain2 = &chain1->chain[DICH_CHAIN2(op)];
136 if (!chain2) return NULL;
137 if (!chain2->funcs) return NULL;
139 /* num_ops is calculated from the class. */
140 const Eobj_Class *op_klass = OP_CLASS_GET(op);
141 if (!op_klass || (DICH_CHAIN_LAST(op) >= op_klass->desc->ops.count))
144 return chain2->funcs[DICH_CHAIN_LAST(op)].func;
148 dich_func_set(Eobj_Class *klass, Eobj_Op op, eobj_op_func_type func)
150 const Eobj_Class *op_klass = OP_CLASS_GET(op);
153 /* Verify op is valid. */
156 /* num_ops is calculated from the class. */
157 num_ops = op_klass->desc->ops.count;
158 if (DICH_CHAIN_LAST(op) >= num_ops)
160 ERR("OP %x is too big for the domain '%s', expected value < %x.",
161 op, op_klass->desc->name, op_klass->desc->ops.count);
166 ERR("OP %x is from an illegal class.", op);
170 Dich_Chain1 *chain1 = &klass->chain[DICH_CHAIN1(op)];
173 klass->chain[DICH_CHAIN1(op)].chain =
175 calloc(DICH_CHAIN2_SIZE, sizeof(*(chain1->chain)));
178 Dich_Chain2 *chain2 = &chain1->chain[DICH_CHAIN2(op)];
181 chain2->funcs = chain1->chain[DICH_CHAIN2(op)].funcs =
182 calloc(num_ops, sizeof(*(chain2->funcs)));
185 chain2->funcs[DICH_CHAIN_LAST(op)].func = func;
189 dich_func_clean_all(Eobj_Class *klass)
192 Dich_Chain1 *chain1 = klass->chain;
194 for (i = 0 ; i < DICH_CHAIN1_SIZE ; i++, chain1++)
197 Dich_Chain2 *chain2 = chain1->chain;
202 for (j = 0 ; j < DICH_CHAIN2_SIZE ; j++, chain2++)
207 chain1->chain = NULL;
217 const Eobj_Class **kls_itr;
220 static inline Eina_Bool
221 _eobj_kls_itr_init(Eobj *obj, Eobj_Op op)
225 Eobj_Kls_Itr_Node *node =
226 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
235 Eobj_Kls_Itr_Node *node = calloc(1, sizeof(*node));
237 node->kls_itr = obj->klass->mro;
238 obj->kls_itr = eina_inlist_prepend(obj->kls_itr,
239 EINA_INLIST_GET(node));
246 _eobj_kls_itr_end(Eobj *obj, Eobj_Op op)
248 Eobj_Kls_Itr_Node *node =
249 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
254 obj->kls_itr = eina_inlist_remove(obj->kls_itr, obj->kls_itr);
258 static inline const Eobj_Class *
259 _eobj_kls_itr_get(Eobj *obj)
261 Eobj_Kls_Itr_Node *node =
262 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
264 return (node) ? *(node->kls_itr) : NULL;
267 static inline const Eobj_Class *
268 _eobj_kls_itr_next(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;
276 node->kls_itr = kls_itr;
285 static inline Eina_Bool
286 _eobj_kls_itr_reached_end(const Eobj *obj)
288 Eobj_Kls_Itr_Node *node =
289 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
290 const Eobj_Class **kls_itr = node->kls_itr;
291 return !(*kls_itr && *(kls_itr + 1));
294 /* FIXME: Decide if it should be fast, and if so, add a mapping.
295 * Otherwise, this is very slow. But since it's only for debugging... */
296 static const Eobj_Op_Description *
297 _eobj_op_id_desc_get(Eobj_Op op)
300 Eobj_Class **cls_itr = _eobj_classes;
302 for (i = 0 ; i < _eobj_classes_last_id ; i++, cls_itr++)
306 const Eobj_Op_Description *desc = (*cls_itr)->desc->ops.descs;
310 Eobj_Op base_op_id = *(*cls_itr)->desc->ops.base_op_id;
313 if ((base_op_id + desc->sub_op) == op)
324 _eobj_op_internal(Eobj *obj, Eobj_Op op, va_list *p_list)
326 const Eobj_Class *klass;
327 Eina_Bool ret = EINA_FALSE;
330 _itr_init = _eobj_kls_itr_init(obj, op);
331 klass = _eobj_kls_itr_get(obj);
334 eobj_op_func_type func = dich_func_get(klass, op);
338 func(obj, eobj_data_get(obj, klass), p_list);
343 klass = _eobj_kls_itr_next(obj);
346 /* Try composite objects */
350 EINA_LIST_FOREACH(obj->composite_objects, itr, emb_obj)
352 if (_eobj_op_internal(emb_obj, op, p_list))
362 if (_itr_init) _eobj_kls_itr_end(obj, op);
366 static inline Eina_Bool
367 _eobj_ops_internal(Eobj *obj, va_list *p_list)
369 Eina_Bool ret = EINA_TRUE;
372 op = va_arg(*p_list, Eobj_Op);
375 if (!_eobj_op_internal(obj, op, p_list))
377 const Eobj_Op_Description *desc = _eobj_op_id_desc_get(op);
378 const char *_id_name = (desc) ? desc->name : NULL;
379 const Eobj_Class *op_klass = OP_CLASS_GET(op);
380 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
381 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
382 op, _id_name, _dom_name,
383 obj->klass->desc->name);
387 op = va_arg(*p_list, Eobj_Op);
394 eobj_do_internal(Eobj *obj, ...)
398 va_start(p_list, obj);
399 ret = _eobj_ops_internal(obj, &p_list);
405 eobj_super_do(Eobj *obj, Eobj_Op op, ...)
407 const Eobj_Class *obj_klass;
408 Eina_Bool ret = EINA_TRUE;
411 va_start(p_list, op);
413 /* Advance the kls itr. */
414 obj_klass = _eobj_kls_itr_next(obj);
415 if (!_eobj_op_internal(obj, op, &p_list))
417 const Eobj_Op_Description *desc = _eobj_op_id_desc_get(op);
418 const char *_id_name = (desc) ? desc->name : NULL;
419 const Eobj_Class *op_klass = OP_CLASS_GET(op);
420 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
421 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
422 op, _id_name, _dom_name,
423 (obj_klass) ? obj_klass->desc->name : NULL);
431 EAPI const Eobj_Class *
432 eobj_class_get(Eobj *obj)
438 eobj_class_name_get(const Eobj_Class *klass)
440 return klass->desc->name;
444 _eobj_class_base_op_init(Eobj_Class *klass)
446 const Eobj_Class_Description *desc = klass->desc;
447 if (!desc || !desc->ops.base_op_id)
450 /* FIXME: Depends on values defined above! */
451 *(desc->ops.base_op_id) = klass->class_id << OP_CLASS_OFFSET;
455 _eobj_class_mro_add(Eina_List *mro, const Eobj_Class *klass)
460 mro = eina_list_append(mro, klass);
463 Eobj_Extension_Node *extn;
464 EINA_INLIST_FOREACH(klass->extensions, extn)
466 mro = _eobj_class_mro_add(mro, extn->klass);
470 mro = _eobj_class_mro_add(mro, klass->parent);
476 _eobj_class_mro_init(Eobj_Class *klass)
478 Eina_List *mro = NULL;
480 DBG("Started creating MRO for class '%s'", klass->desc->name);
481 mro = _eobj_class_mro_add(mro, klass);
484 Eina_List *itr1, *itr2, *itr2n;
486 itr1 = eina_list_last(mro);
489 itr2 = eina_list_prev(itr1);
493 itr2n = eina_list_prev(itr2);
495 if (eina_list_data_get(itr1) == eina_list_data_get(itr2))
497 mro = eina_list_remove_list(mro, itr2);
503 itr1 = eina_list_prev(itr1);
507 /* Copy the mro and free the list. */
509 const Eobj_Class *kls_itr;
510 const Eobj_Class **mro_itr;
511 klass->mro = calloc(sizeof(*klass->mro), eina_list_count(mro) + 1);
513 mro_itr = klass->mro;
515 EINA_LIST_FREE(mro, kls_itr)
517 *(mro_itr++) = kls_itr;
519 DBG("Added '%s' to MRO", kls_itr->desc->name);
524 DBG("Finished creating MRO for class '%s'", klass->desc->name);
528 _eobj_class_constructor(Eobj_Class *klass)
530 if (klass->constructed)
533 klass->constructed = EINA_TRUE;
535 if (klass->desc->class_constructor)
536 klass->desc->class_constructor(klass);
538 _eobj_class_mro_init(klass);
542 eobj_class_funcs_set(Eobj_Class *klass, const Eobj_Op_Func_Description *func_descs)
544 const Eobj_Op_Func_Description *itr;
548 for ( ; itr->op != 0 ; itr++)
550 dich_func_set(klass, itr->op, itr->func);
556 eobj_class_new(const Eobj_Class_Description *desc, const Eobj_Class *parent, ...)
561 va_start(p_list, parent);
563 #define _CLS_NEW_CHECK(x) \
568 ERR("%s can't be NULL! Aborting.", #x); \
574 _CLS_NEW_CHECK(desc);
575 _CLS_NEW_CHECK(desc->name);
577 klass = calloc(1, sizeof(Eobj_Class));
578 klass->parent = parent;
580 /* Handle class extensions */
582 Eobj_Class *extn = NULL;
584 extn = va_arg(p_list, Eobj_Class *);
587 switch (extn->desc->type)
589 case EOBJ_CLASS_TYPE_REGULAR:
590 case EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT:
591 /* Use it like an interface. */
592 case EOBJ_CLASS_TYPE_INTERFACE:
594 case EOBJ_CLASS_TYPE_MIXIN:
596 Eobj_Extension_Node *node = calloc(1, sizeof(*node));
599 eina_inlist_append(klass->extensions,
600 EINA_INLIST_GET(node));
605 extn = va_arg(p_list, Eobj_Class *);
611 /* Handle the inheritance */
614 /* Verify the inheritance is allowed. */
615 switch (klass->desc->type)
617 case EOBJ_CLASS_TYPE_REGULAR:
618 case EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT:
619 if ((klass->parent->desc->type != EOBJ_CLASS_TYPE_REGULAR) &&
620 (klass->parent->desc->type != EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT))
622 /* FIXME: Actually handle it. */
623 ERR("Regular classes ('%s') aren't allowed to inherit from non-regular classes ('%s').", klass->desc->name, klass->parent->desc->name);
627 case EOBJ_CLASS_TYPE_INTERFACE:
628 case EOBJ_CLASS_TYPE_MIXIN:
629 if ((klass->parent->desc->type != EOBJ_CLASS_TYPE_REGULAR) &&
630 (klass->parent->desc->type != EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT))
632 /* FIXME: Actually handle it. */
633 ERR("Non-regular classes ('%s') aren't allowed to inherit from regular classes ('%s').", klass->desc->name, klass->parent->desc->name);
640 /* Update the current offset. */
641 /* FIXME: Make sure this alignment is enough. */
642 klass->data_offset = klass->parent->data_offset +
643 klass->parent->desc->data_size +
645 (klass->parent->desc->data_size % sizeof(void *)));
648 klass->class_id = ++_eobj_classes_last_id;
650 /* FIXME: Handle errors. */
652 tmp = realloc(_eobj_classes, _eobj_classes_last_id * sizeof(*_eobj_classes));
654 _eobj_classes[klass->class_id - 1] = klass;
657 _eobj_class_base_op_init(klass);
659 /* FIXME: Shouldn't be called here - should be called from eobj_add. */
660 _eobj_class_constructor(klass);
667 eobj_class_free(klass);
670 #undef _CLS_NEW_CHECK
673 eobj_class_free(Eobj_Class *klass)
675 if (klass->constructed)
677 if (klass->desc->class_destructor)
678 klass->desc->class_destructor(klass);
680 dich_func_clean_all(klass);
685 Eobj_Extension_Node *extn;
686 EINA_INLIST_FOREACH_SAFE(klass->extensions, itrn, extn)
698 eobj_add(const Eobj_Class *klass, Eobj *parent)
700 if (klass->desc->type != EOBJ_CLASS_TYPE_REGULAR)
702 ERR("Class '%s' is not instantiate-able. Aborting.", klass->desc->name);
706 Eobj *obj = calloc(1, sizeof(*obj));
708 obj->parent = parent;
712 obj->data_blob = calloc(1, klass->data_offset + klass->desc->data_size);
714 _eobj_kls_itr_init(obj, EOBJ_NOOP);
715 eobj_class_constructor(obj, klass);
716 if (eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY))
718 ERR("Type '%s' - One of the object constructors have failed.", klass->desc->name);
722 if (!_eobj_kls_itr_reached_end(obj))
724 ERR("Type '%s' - Not all of the object constructors have been executed.", klass->desc->name);
727 _eobj_kls_itr_end(obj, EOBJ_NOOP);
744 eobj_unref(Eobj *obj)
746 if (--(obj->refcount) == 0)
748 const Eobj_Class *klass = eobj_class_get(obj);
749 _eobj_kls_itr_init(obj, EOBJ_NOOP);
750 eobj_class_destructor(obj, klass);
751 if (eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY))
753 ERR("Type '%s' - One of the object destructors have failed.", klass->desc->name);
756 if (!_eobj_kls_itr_reached_end(obj))
758 ERR("Type '%s' - Not all of the object destructors have been executed.", klass->desc->name);
760 _eobj_kls_itr_end(obj, EOBJ_NOOP);
761 /*FIXME: add eobj_class_unref(klass) ? - just to clear the caches. */
763 /* If for some reason it's not empty, clear it. */
766 Eina_Inlist *nitr = nitr->next;
767 free(EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node));
771 Eina_List *itr, *itr_n;
773 EINA_LIST_FOREACH_SAFE(obj->composite_objects, itr, itr_n, emb_obj)
776 obj->composite_objects =
777 eina_list_remove_list(obj->composite_objects, itr);
780 _eobj_callback_remove_all(obj);
783 free(obj->data_blob);
785 _eobj_generic_data_del_all(obj);
792 eobj_ref_get(const Eobj *obj)
794 return obj->refcount;
800 obj->delete = EINA_TRUE;
805 eobj_parent_get(Eobj *obj)
811 eobj_constructor_error_set(Eobj *obj)
813 eobj_generic_data_set(obj, CONSTRUCT_ERROR_KEY, (void *) EINA_TRUE);
817 eobj_constructor_error_get(const Eobj *obj)
819 return (intptr_t) eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY);
823 _eobj_constructor_default(Eobj *obj)
825 eobj_constructor_super(obj);
829 _eobj_destructor_default(Eobj *obj)
831 eobj_destructor_super(obj);
835 eobj_class_constructor(Eobj *obj, const Eobj_Class *klass)
840 if (klass->desc->constructor)
841 klass->desc->constructor(obj, eobj_data_get(obj, klass));
843 _eobj_constructor_default(obj);
847 eobj_class_destructor(Eobj *obj, const Eobj_Class *klass)
852 if (klass->desc->destructor)
853 klass->desc->destructor(obj, eobj_data_get(obj, klass));
855 _eobj_destructor_default(obj);
859 eobj_constructor_super(Eobj *obj)
861 eobj_class_constructor(obj, _eobj_kls_itr_next(obj));
865 eobj_destructor_super(Eobj *obj)
867 eobj_class_destructor(obj, _eobj_kls_itr_next(obj));
871 eobj_data_get(Eobj *obj, const Eobj_Class *klass)
873 /* FIXME: Add a check that this is of the right klass and we don't seg.
874 * Probably just return NULL. */
875 if (klass->desc->data_size > 0)
876 return ((char *) obj->data_blob) + klass->data_offset;
884 Eina_Stringshare *key;
886 } Eobj_Generic_Data_Node;
889 _eobj_generic_data_node_free(Eobj_Generic_Data_Node *node)
891 eina_stringshare_del(node->key);
896 _eobj_generic_data_del_all(Eobj *obj)
899 Eobj_Generic_Data_Node *node;
901 EINA_INLIST_FOREACH_SAFE(obj->generic_data, nnode, node)
903 obj->generic_data = eina_inlist_remove(obj->generic_data,
904 EINA_INLIST_GET(node));
906 _eobj_generic_data_node_free(node);
911 eobj_generic_data_set(Eobj *obj, const char *key, const void *data)
914 Eobj_Generic_Data_Node *node;
916 if (!key) return NULL;
917 if (!data) return NULL;
919 prev_data = eobj_generic_data_del(obj, key);
921 node = malloc(sizeof(Eobj_Generic_Data_Node));
922 node->key = eina_stringshare_add(key);
923 node->data = (void *) data;
924 obj->generic_data = eina_inlist_prepend(obj->generic_data,
925 EINA_INLIST_GET(node));
931 eobj_generic_data_get(const Eobj *obj, const char *key)
933 Eobj_Generic_Data_Node *node;
935 if (!key) return NULL;
937 EINA_INLIST_FOREACH(obj->generic_data, node)
939 if (!strcmp(node->key, key))
941 ((Eobj *) obj)->generic_data =
942 eina_inlist_promote(obj->generic_data, EINA_INLIST_GET(node));
950 eobj_generic_data_del(Eobj *obj, const char *key)
952 Eobj_Generic_Data_Node *node;
954 if (!key) return NULL;
956 EINA_INLIST_FOREACH(obj->generic_data, node)
958 if (!strcmp(node->key, key))
963 obj->generic_data = eina_inlist_remove(obj->generic_data,
964 EINA_INLIST_GET(node));
965 _eobj_generic_data_node_free(node);
975 if (_eobj_init_count++ > 0)
980 _eobj_classes = NULL;
981 _eobj_classes_last_id = 0;
982 _eobj_log_dom = eina_log_domain_register("eobj", EINA_COLOR_LIGHTBLUE);
983 if (_eobj_log_dom < 0)
985 EINA_LOG_ERR("Could not register log domain: eobj");
996 Eobj_Class **cls_itr = _eobj_classes;
998 if (--_eobj_init_count > 0)
1001 for (i = 0 ; i < _eobj_classes_last_id ; i++, cls_itr++)
1004 eobj_class_free(*cls_itr);
1008 free(_eobj_classes);
1010 eina_log_domain_unregister(_eobj_log_dom);
1018 eobj_composite_object_attach(Eobj *obj, Eobj *emb_obj)
1021 obj->composite_objects = eina_list_prepend(obj->composite_objects, emb_obj);
1025 eobj_composite_object_detach(Eobj *obj, Eobj *emb_obj)
1027 obj->composite_objects = eina_list_remove(obj->composite_objects, emb_obj);
1028 eobj_unref(emb_obj);
1032 eobj_composite_is(Eobj *emb_obj)
1034 Eobj *obj = eobj_parent_get(emb_obj);
1041 EINA_LIST_FOREACH(obj->composite_objects, itr, tmp)
1051 struct _Eobj_Callback_Description
1054 const Eobj_Event_Description *event;
1057 Eobj_Callback_Priority priority;
1058 Eina_Bool delete_me : 1;
1061 /* Actually remove, doesn't care about walking list, or delete_me */
1063 _eobj_callback_remove(Eobj *obj, Eobj_Callback_Description *cb)
1065 obj->callbacks = eina_inlist_remove(obj->callbacks,
1066 EINA_INLIST_GET(cb));
1070 /* Actually remove, doesn't care about walking list, or delete_me */
1072 _eobj_callback_remove_all(Eobj *obj)
1075 Eobj_Callback_Description *cb;
1076 EINA_INLIST_FOREACH_SAFE(obj->callbacks, initr, cb)
1078 _eobj_callback_remove(obj, cb);
1083 _eobj_callbacks_clear(Eobj *obj)
1086 Eobj_Callback_Description *cb;
1088 /* Abort if we are currently walking the list. */
1089 if (obj->walking_list > 0)
1092 EINA_INLIST_FOREACH_SAFE(obj->callbacks, itn, cb)
1096 _eobj_callback_remove(obj, cb);
1102 _callback_priority_cmp(const void *_a, const void *_b)
1104 const Eobj_Callback_Description *a, *b;
1105 a = (const Eobj_Callback_Description *) _a;
1106 b = (const Eobj_Callback_Description *) _b;
1107 if (a->priority < b->priority)
1114 eobj_event_callback_add(Eobj *obj,
1115 const Eobj_Event_Description *desc,
1119 return eobj_event_callback_priority_add(obj, desc,
1120 EOBJ_CALLBACK_PRIORITY_DEFAULT, cb, data);
1124 eobj_event_callback_priority_add(Eobj *obj,
1125 const Eobj_Event_Description *desc,
1126 Eobj_Callback_Priority priority,
1130 Eobj_Callback_Description *cb = calloc(1, sizeof(*cb));
1133 cb->func_data = (void *) data;
1134 cb->priority = priority;
1135 obj->callbacks = eina_inlist_sorted_insert(obj->callbacks,
1136 EINA_INLIST_GET(cb), _callback_priority_cmp);
1138 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_ADD, desc);
1144 eobj_event_callback_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func)
1147 Eobj_Callback_Description *cb;
1148 EINA_INLIST_FOREACH(obj->callbacks, cb)
1150 if ((cb->event == desc) && (cb->func == func))
1154 data = cb->func_data;
1155 cb->delete_me = EINA_TRUE;
1156 _eobj_callbacks_clear(obj);
1165 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_DEL, desc);
1170 eobj_event_callback_del_full(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func, const void *user_data)
1173 Eobj_Callback_Description *cb;
1174 EINA_INLIST_FOREACH(obj->callbacks, cb)
1176 if ((cb->event == desc) && (cb->func == func) &&
1177 (cb->func_data == user_data))
1181 data = cb->func_data;
1182 cb->delete_me = EINA_TRUE;
1183 _eobj_callbacks_clear(obj);
1192 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_DEL, desc);
1197 eobj_event_callback_call(Eobj *obj, const Eobj_Event_Description *desc,
1198 const void *event_info)
1200 Eobj_Callback_Description *cb;
1202 obj->walking_list++;
1204 EINA_INLIST_FOREACH(obj->callbacks, cb)
1206 if (!cb->delete_me && (cb->event == desc))
1208 /* Abort callback calling if the func says so. */
1209 if (!cb->func((void *) cb->func_data, obj, desc,
1210 (void *) event_info))
1218 obj->walking_list--;
1219 _eobj_callbacks_clear(obj);
1225 _eobj_event_forwarder_callback(void *data, Eobj *obj, const Eobj_Event_Description *desc, void *event_info)
1228 Eobj *new_obj = (Eobj *) data;
1229 return eobj_event_callback_call(new_obj, desc, event_info);
1232 /* FIXME: Change default priority? Maybe call later? */
1234 eobj_event_callback_forwarder_add(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1236 return eobj_event_callback_add(obj, desc, _eobj_event_forwarder_callback, new_obj);
1240 eobj_event_callback_forwarder_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1242 eobj_event_callback_del_full(obj, desc, _eobj_event_forwarder_callback, new_obj);
1246 /* EOBJ_CLASS_BASE stuff */
1247 static Eobj_Class *_my_class = NULL;
1249 /* FIXME: Set proper type descriptions. */
1250 EAPI const Eobj_Event_Description _EOBJ_SIG_CALLBACK_ADD =
1251 EOBJ_EVENT_DESCRIPTION("callback,add", "?", "Called when a callback was added.");
1252 EAPI const Eobj_Event_Description _EOBJ_SIG_CALLBACK_DEL =
1253 EOBJ_EVENT_DESCRIPTION("callback,del", "?", "Called when a callback was deleted.");
1256 _constructor(Eobj *obj, void *class_data __UNUSED__)
1258 DBG("%p - %s.", obj, _my_class->desc->name);
1262 _destructor(Eobj *obj, void *class_data __UNUSED__)
1264 DBG("%p - %s.", obj, _my_class->desc->name);
1267 EAPI const Eobj_Class *
1268 eobj_base_class_get(void)
1270 if (_my_class) return _my_class;
1272 static const Eobj_Class_Description class_desc = {
1274 EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT,
1275 EOBJ_CLASS_DESCRIPTION_OPS(NULL, NULL, 0),
1284 return _my_class = eobj_class_new(&class_desc, NULL, NULL);