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);
19 static void eobj_constructor_error_unset(Eobj *obj);
24 #define CRITICAL(...) EINA_LOG_DOM_CRIT(_eobj_log_dom, __VA_ARGS__)
29 #define ERR(...) EINA_LOG_DOM_ERR(_eobj_log_dom, __VA_ARGS__)
34 #define WRN(...) EINA_LOG_DOM_WARN(_eobj_log_dom, __VA_ARGS__)
39 #define INF(...) EINA_LOG_DOM_INFO(_eobj_log_dom, __VA_ARGS__)
44 #define DBG(...) EINA_LOG_DOM_DBG(_eobj_log_dom, __VA_ARGS__)
46 typedef struct _Eobj_Callback_Description Eobj_Callback_Description;
50 const Eobj_Class *klass;
53 Eina_List *composite_objects;
55 Eina_Inlist *callbacks;
58 Eina_Inlist *generic_data;
67 /* Dich search, split to 0xff 0xff 0xffff */
69 #define DICH_CHAIN1_MASK (0xff)
70 #define DICH_CHAIN2_MASK (0xff)
71 #define DICH_CHAIN_LAST_MASK (0xffff)
72 #define DICH_CHAIN1_SIZE (DICH_CHAIN1_MASK + 1)
73 #define DICH_CHAIN2_SIZE (DICH_CHAIN2_MASK + 1)
74 #define DICH_CHAIN_LAST_SIZE (DICH_CHAIN_LAST_MASK + 1)
75 #define DICH_CHAIN1(x) (((x) >> 24) & DICH_CHAIN1_MASK)
76 #define DICH_CHAIN2(x) (((x) >> 16) & DICH_CHAIN2_MASK)
77 #define DICH_CHAIN_LAST(x) ((x) & DICH_CHAIN_LAST_MASK)
79 #define OP_CLASS_OFFSET 16
80 #define OP_CLASS_OFFSET_GET(x) (((x) >> OP_CLASS_OFFSET) & 0xffff)
81 #define OP_CLASS_GET(op) ({ \
82 Eobj_Class_Id tmp = OP_CLASS_OFFSET_GET(op); \
83 (Eobj_Class *) ((tmp <= _eobj_classes_last_id) && (tmp > 0)) ? \
84 (_eobj_classes[tmp - 1]) : NULL; \
87 /* Structure of Eobj_Op is:
92 typedef struct _Dich_Chain1 Dich_Chain1;
96 eobj_op_func_type func;
101 op_type_funcs *funcs;
112 const Eobj_Class *klass;
113 } Eobj_Extension_Node;
117 Eobj_Class_Id class_id;
118 const Eobj_Class *parent;
119 const Eobj_Class_Description *desc;
120 Dich_Chain1 chain[DICH_CHAIN1_SIZE];
121 Eina_Inlist *extensions;
123 const Eobj_Class **mro;
125 size_t data_offset; /* < Offset of the data within object data. */
127 Eina_Bool constructed : 1;
130 static inline eobj_op_func_type
131 dich_func_get(const Eobj_Class *klass, Eobj_Op op)
133 const Dich_Chain1 *chain1 = &klass->chain[DICH_CHAIN1(op)];
134 if (!chain1) return NULL;
135 if (!chain1->chain) return NULL;
136 Dich_Chain2 *chain2 = &chain1->chain[DICH_CHAIN2(op)];
137 if (!chain2) return NULL;
138 if (!chain2->funcs) return NULL;
140 /* num_ops is calculated from the class. */
141 const Eobj_Class *op_klass = OP_CLASS_GET(op);
142 if (!op_klass || (DICH_CHAIN_LAST(op) >= op_klass->desc->ops.count))
145 return chain2->funcs[DICH_CHAIN_LAST(op)].func;
149 dich_func_set(Eobj_Class *klass, Eobj_Op op, eobj_op_func_type func)
151 const Eobj_Class *op_klass = OP_CLASS_GET(op);
154 /* Verify op is valid. */
157 /* num_ops is calculated from the class. */
158 num_ops = op_klass->desc->ops.count;
159 if (DICH_CHAIN_LAST(op) >= num_ops)
161 ERR("OP %x is too big for the domain '%s', expected value < %x.",
162 op, op_klass->desc->name, op_klass->desc->ops.count);
167 ERR("OP %x is from an illegal class.", op);
171 Dich_Chain1 *chain1 = &klass->chain[DICH_CHAIN1(op)];
174 klass->chain[DICH_CHAIN1(op)].chain =
176 calloc(DICH_CHAIN2_SIZE, sizeof(*(chain1->chain)));
179 Dich_Chain2 *chain2 = &chain1->chain[DICH_CHAIN2(op)];
182 chain2->funcs = chain1->chain[DICH_CHAIN2(op)].funcs =
183 calloc(num_ops, sizeof(*(chain2->funcs)));
186 chain2->funcs[DICH_CHAIN_LAST(op)].func = func;
190 dich_func_clean_all(Eobj_Class *klass)
193 Dich_Chain1 *chain1 = klass->chain;
195 for (i = 0 ; i < DICH_CHAIN1_SIZE ; i++, chain1++)
198 Dich_Chain2 *chain2 = chain1->chain;
203 for (j = 0 ; j < DICH_CHAIN2_SIZE ; j++, chain2++)
208 chain1->chain = NULL;
218 const Eobj_Class **kls_itr;
221 static inline Eina_Bool
222 _eobj_kls_itr_init(Eobj *obj, Eobj_Op op)
226 Eobj_Kls_Itr_Node *node =
227 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
236 Eobj_Kls_Itr_Node *node = calloc(1, sizeof(*node));
238 node->kls_itr = obj->klass->mro;
239 obj->kls_itr = eina_inlist_prepend(obj->kls_itr,
240 EINA_INLIST_GET(node));
247 _eobj_kls_itr_end(Eobj *obj, Eobj_Op op)
249 Eobj_Kls_Itr_Node *node =
250 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
255 obj->kls_itr = eina_inlist_remove(obj->kls_itr, obj->kls_itr);
259 static inline const Eobj_Class *
260 _eobj_kls_itr_get(Eobj *obj)
262 Eobj_Kls_Itr_Node *node =
263 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
265 return (node) ? *(node->kls_itr) : NULL;
268 static inline const Eobj_Class *
269 _eobj_kls_itr_next(Eobj *obj)
271 Eobj_Kls_Itr_Node *node =
272 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
273 const Eobj_Class **kls_itr = node->kls_itr;
277 node->kls_itr = kls_itr;
286 static inline Eina_Bool
287 _eobj_kls_itr_reached_end(const Eobj *obj)
289 Eobj_Kls_Itr_Node *node =
290 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
291 const Eobj_Class **kls_itr = node->kls_itr;
292 return !(*kls_itr && *(kls_itr + 1));
295 /* FIXME: Decide if it should be fast, and if so, add a mapping.
296 * Otherwise, this is very slow. But since it's only for debugging... */
297 static const Eobj_Op_Description *
298 _eobj_op_id_desc_get(Eobj_Op op)
301 Eobj_Class **cls_itr = _eobj_classes;
303 for (i = 0 ; i < _eobj_classes_last_id ; i++, cls_itr++)
307 const Eobj_Op_Description *desc = (*cls_itr)->desc->ops.descs;
311 Eobj_Op base_op_id = *(*cls_itr)->desc->ops.base_op_id;
314 if ((base_op_id + desc->sub_op) == op)
325 _eobj_op_internal(Eobj *obj, Eobj_Op op, va_list *p_list)
327 const Eobj_Class *klass;
328 Eina_Bool ret = EINA_FALSE;
331 _itr_init = _eobj_kls_itr_init(obj, op);
332 klass = _eobj_kls_itr_get(obj);
335 eobj_op_func_type func = dich_func_get(klass, op);
339 func(obj, eobj_data_get(obj, klass), p_list);
344 klass = _eobj_kls_itr_next(obj);
347 /* Try composite objects */
351 EINA_LIST_FOREACH(obj->composite_objects, itr, emb_obj)
353 if (_eobj_op_internal(emb_obj, op, p_list))
363 if (_itr_init) _eobj_kls_itr_end(obj, op);
367 static inline Eina_Bool
368 _eobj_ops_internal(Eobj *obj, va_list *p_list)
370 Eina_Bool ret = EINA_TRUE;
373 op = va_arg(*p_list, Eobj_Op);
376 if (!_eobj_op_internal(obj, op, p_list))
378 const Eobj_Op_Description *desc = _eobj_op_id_desc_get(op);
379 const char *_id_name = (desc) ? desc->name : NULL;
380 const Eobj_Class *op_klass = OP_CLASS_GET(op);
381 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
382 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
383 op, _id_name, _dom_name,
384 obj->klass->desc->name);
388 op = va_arg(*p_list, Eobj_Op);
395 eobj_do_internal(Eobj *obj, ...)
399 va_start(p_list, obj);
400 ret = _eobj_ops_internal(obj, &p_list);
406 eobj_super_do(Eobj *obj, Eobj_Op op, ...)
408 const Eobj_Class *obj_klass;
409 Eina_Bool ret = EINA_TRUE;
412 va_start(p_list, op);
414 /* Advance the kls itr. */
415 obj_klass = _eobj_kls_itr_next(obj);
416 if (!_eobj_op_internal(obj, op, &p_list))
418 const Eobj_Op_Description *desc = _eobj_op_id_desc_get(op);
419 const char *_id_name = (desc) ? desc->name : NULL;
420 const Eobj_Class *op_klass = OP_CLASS_GET(op);
421 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
422 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
423 op, _id_name, _dom_name,
424 (obj_klass) ? obj_klass->desc->name : NULL);
432 EAPI const Eobj_Class *
433 eobj_class_get(Eobj *obj)
439 eobj_class_name_get(const Eobj_Class *klass)
441 return klass->desc->name;
445 _eobj_class_base_op_init(Eobj_Class *klass)
447 const Eobj_Class_Description *desc = klass->desc;
448 if (!desc || !desc->ops.base_op_id)
451 /* FIXME: Depends on values defined above! */
452 *(desc->ops.base_op_id) = klass->class_id << OP_CLASS_OFFSET;
456 _eobj_class_mro_add(Eina_List *mro, const Eobj_Class *klass)
461 mro = eina_list_append(mro, klass);
464 Eobj_Extension_Node *extn;
465 EINA_INLIST_FOREACH(klass->extensions, extn)
467 mro = _eobj_class_mro_add(mro, extn->klass);
471 mro = _eobj_class_mro_add(mro, klass->parent);
477 _eobj_class_mro_init(Eobj_Class *klass)
479 Eina_List *mro = NULL;
481 DBG("Started creating MRO for class '%s'", klass->desc->name);
482 mro = _eobj_class_mro_add(mro, klass);
485 Eina_List *itr1, *itr2, *itr2n;
487 itr1 = eina_list_last(mro);
490 itr2 = eina_list_prev(itr1);
494 itr2n = eina_list_prev(itr2);
496 if (eina_list_data_get(itr1) == eina_list_data_get(itr2))
498 mro = eina_list_remove_list(mro, itr2);
504 itr1 = eina_list_prev(itr1);
508 /* Copy the mro and free the list. */
510 const Eobj_Class *kls_itr;
511 const Eobj_Class **mro_itr;
512 klass->mro = calloc(sizeof(*klass->mro), eina_list_count(mro) + 1);
514 mro_itr = klass->mro;
516 EINA_LIST_FREE(mro, kls_itr)
518 *(mro_itr++) = kls_itr;
520 DBG("Added '%s' to MRO", kls_itr->desc->name);
525 DBG("Finished creating MRO for class '%s'", klass->desc->name);
529 _eobj_class_constructor(Eobj_Class *klass)
531 if (klass->constructed)
534 klass->constructed = EINA_TRUE;
536 if (klass->desc->class_constructor)
537 klass->desc->class_constructor(klass);
539 _eobj_class_mro_init(klass);
543 eobj_class_funcs_set(Eobj_Class *klass, const Eobj_Op_Func_Description *func_descs)
545 const Eobj_Op_Func_Description *itr;
549 for ( ; itr->op != 0 ; itr++)
551 dich_func_set(klass, itr->op, itr->func);
557 eobj_class_new(const Eobj_Class_Description *desc, const Eobj_Class *parent, ...)
562 va_start(p_list, parent);
564 #define _CLS_NEW_CHECK(x) \
569 ERR("%s can't be NULL! Aborting.", #x); \
575 _CLS_NEW_CHECK(desc);
576 _CLS_NEW_CHECK(desc->name);
578 klass = calloc(1, sizeof(Eobj_Class));
579 klass->parent = parent;
581 /* Handle class extensions */
583 Eobj_Class *extn = NULL;
585 extn = va_arg(p_list, Eobj_Class *);
588 switch (extn->desc->type)
590 case EOBJ_CLASS_TYPE_REGULAR:
591 case EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT:
592 /* Use it like an interface. */
593 case EOBJ_CLASS_TYPE_INTERFACE:
595 case EOBJ_CLASS_TYPE_MIXIN:
597 Eobj_Extension_Node *node = calloc(1, sizeof(*node));
600 eina_inlist_append(klass->extensions,
601 EINA_INLIST_GET(node));
606 extn = va_arg(p_list, Eobj_Class *);
612 /* Handle the inheritance */
615 /* Verify the inheritance is allowed. */
616 switch (klass->desc->type)
618 case EOBJ_CLASS_TYPE_REGULAR:
619 case EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT:
620 if ((klass->parent->desc->type != EOBJ_CLASS_TYPE_REGULAR) &&
621 (klass->parent->desc->type != EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT))
623 /* FIXME: Actually handle it. */
624 ERR("Regular classes ('%s') aren't allowed to inherit from non-regular classes ('%s').", klass->desc->name, klass->parent->desc->name);
628 case EOBJ_CLASS_TYPE_INTERFACE:
629 case EOBJ_CLASS_TYPE_MIXIN:
630 if ((klass->parent->desc->type != EOBJ_CLASS_TYPE_REGULAR) &&
631 (klass->parent->desc->type != EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT))
633 /* FIXME: Actually handle it. */
634 ERR("Non-regular classes ('%s') aren't allowed to inherit from regular classes ('%s').", klass->desc->name, klass->parent->desc->name);
641 /* Update the current offset. */
642 /* FIXME: Make sure this alignment is enough. */
643 klass->data_offset = klass->parent->data_offset +
644 klass->parent->desc->data_size +
646 (klass->parent->desc->data_size % sizeof(void *)));
649 klass->class_id = ++_eobj_classes_last_id;
651 /* FIXME: Handle errors. */
653 tmp = realloc(_eobj_classes, _eobj_classes_last_id * sizeof(*_eobj_classes));
655 _eobj_classes[klass->class_id - 1] = klass;
658 _eobj_class_base_op_init(klass);
660 /* FIXME: Shouldn't be called here - should be called from eobj_add. */
661 _eobj_class_constructor(klass);
668 eobj_class_free(klass);
671 #undef _CLS_NEW_CHECK
674 eobj_class_free(Eobj_Class *klass)
676 if (klass->constructed)
678 if (klass->desc->class_destructor)
679 klass->desc->class_destructor(klass);
681 dich_func_clean_all(klass);
686 Eobj_Extension_Node *extn;
687 EINA_INLIST_FOREACH_SAFE(klass->extensions, itrn, extn)
699 eobj_add(const Eobj_Class *klass, Eobj *parent)
701 if (klass->desc->type != EOBJ_CLASS_TYPE_REGULAR)
703 ERR("Class '%s' is not instantiate-able. Aborting.", klass->desc->name);
707 Eobj *obj = calloc(1, sizeof(*obj));
709 obj->parent = parent;
713 obj->data_blob = calloc(1, klass->data_offset + klass->desc->data_size);
715 _eobj_kls_itr_init(obj, EOBJ_NOOP);
716 eobj_constructor_error_unset(obj);
717 eobj_class_constructor(obj, klass);
718 if (eobj_constructor_error_get(obj))
720 ERR("Type '%s' - One of the object constructors have failed.", klass->desc->name);
724 if (!_eobj_kls_itr_reached_end(obj))
726 ERR("Type '%s' - Not all of the object constructors have been executed.", klass->desc->name);
729 _eobj_kls_itr_end(obj, EOBJ_NOOP);
746 eobj_unref(Eobj *obj)
748 if (--(obj->refcount) == 0)
750 const Eobj_Class *klass = eobj_class_get(obj);
751 _eobj_kls_itr_init(obj, EOBJ_NOOP);
752 eobj_constructor_error_unset(obj);
753 eobj_class_destructor(obj, klass);
754 if (eobj_constructor_error_get(obj))
756 ERR("Type '%s' - One of the object destructors have failed.", klass->desc->name);
759 if (!_eobj_kls_itr_reached_end(obj))
761 ERR("Type '%s' - Not all of the object destructors have been executed.", klass->desc->name);
763 _eobj_kls_itr_end(obj, EOBJ_NOOP);
764 /*FIXME: add eobj_class_unref(klass) ? - just to clear the caches. */
766 /* If for some reason it's not empty, clear it. */
769 WRN("Kls_Itr is not empty, possibly a bug, please report. - An error will be reported for each kls_itr in the stack.");
770 Eina_Inlist *nitr = nitr->next;
771 free(EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node));
775 Eina_List *itr, *itr_n;
777 EINA_LIST_FOREACH_SAFE(obj->composite_objects, itr, itr_n, emb_obj)
779 /* FIXME: Should probably be unref. */
781 obj->composite_objects =
782 eina_list_remove_list(obj->composite_objects, itr);
785 _eobj_callback_remove_all(obj);
788 free(obj->data_blob);
790 _eobj_generic_data_del_all(obj);
797 eobj_ref_get(const Eobj *obj)
799 return obj->refcount;
805 obj->delete = EINA_TRUE;
810 eobj_parent_get(Eobj *obj)
816 eobj_constructor_error_set(Eobj *obj)
818 eobj_generic_data_set(obj, CONSTRUCT_ERROR_KEY, (void *) EINA_TRUE);
822 eobj_constructor_error_unset(Eobj *obj)
824 eobj_generic_data_del(obj, CONSTRUCT_ERROR_KEY);
828 eobj_constructor_error_get(const Eobj *obj)
830 return (intptr_t) eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY);
834 _eobj_constructor_default(Eobj *obj)
836 eobj_constructor_super(obj);
840 _eobj_destructor_default(Eobj *obj)
842 eobj_destructor_super(obj);
846 eobj_class_constructor(Eobj *obj, const Eobj_Class *klass)
851 if (klass->desc->constructor)
852 klass->desc->constructor(obj, eobj_data_get(obj, klass));
854 _eobj_constructor_default(obj);
858 eobj_class_destructor(Eobj *obj, const Eobj_Class *klass)
863 if (klass->desc->destructor)
864 klass->desc->destructor(obj, eobj_data_get(obj, klass));
866 _eobj_destructor_default(obj);
870 eobj_constructor_super(Eobj *obj)
872 eobj_class_constructor(obj, _eobj_kls_itr_next(obj));
876 eobj_destructor_super(Eobj *obj)
878 eobj_class_destructor(obj, _eobj_kls_itr_next(obj));
882 eobj_data_get(Eobj *obj, const Eobj_Class *klass)
884 /* FIXME: Add a check that this is of the right klass and we don't seg.
885 * Probably just return NULL. */
886 if (klass->desc->data_size > 0)
887 return ((char *) obj->data_blob) + klass->data_offset;
895 Eina_Stringshare *key;
897 } Eobj_Generic_Data_Node;
900 _eobj_generic_data_node_free(Eobj_Generic_Data_Node *node)
902 eina_stringshare_del(node->key);
907 _eobj_generic_data_del_all(Eobj *obj)
910 Eobj_Generic_Data_Node *node;
912 EINA_INLIST_FOREACH_SAFE(obj->generic_data, nnode, node)
914 obj->generic_data = eina_inlist_remove(obj->generic_data,
915 EINA_INLIST_GET(node));
917 _eobj_generic_data_node_free(node);
922 eobj_generic_data_set(Eobj *obj, const char *key, const void *data)
925 Eobj_Generic_Data_Node *node;
927 if (!key) return NULL;
928 if (!data) return NULL;
930 prev_data = eobj_generic_data_del(obj, key);
932 node = malloc(sizeof(Eobj_Generic_Data_Node));
933 node->key = eina_stringshare_add(key);
934 node->data = (void *) data;
935 obj->generic_data = eina_inlist_prepend(obj->generic_data,
936 EINA_INLIST_GET(node));
942 eobj_generic_data_get(const Eobj *obj, const char *key)
944 Eobj_Generic_Data_Node *node;
946 if (!key) return NULL;
948 EINA_INLIST_FOREACH(obj->generic_data, node)
950 if (!strcmp(node->key, key))
952 ((Eobj *) obj)->generic_data =
953 eina_inlist_promote(obj->generic_data, EINA_INLIST_GET(node));
961 eobj_generic_data_del(Eobj *obj, const char *key)
963 Eobj_Generic_Data_Node *node;
965 if (!key) return NULL;
967 EINA_INLIST_FOREACH(obj->generic_data, node)
969 if (!strcmp(node->key, key))
974 obj->generic_data = eina_inlist_remove(obj->generic_data,
975 EINA_INLIST_GET(node));
976 _eobj_generic_data_node_free(node);
986 if (_eobj_init_count++ > 0)
991 _eobj_classes = NULL;
992 _eobj_classes_last_id = 0;
993 _eobj_log_dom = eina_log_domain_register("eobj", EINA_COLOR_LIGHTBLUE);
994 if (_eobj_log_dom < 0)
996 EINA_LOG_ERR("Could not register log domain: eobj");
1007 Eobj_Class **cls_itr = _eobj_classes;
1009 if (--_eobj_init_count > 0)
1012 for (i = 0 ; i < _eobj_classes_last_id ; i++, cls_itr++)
1015 eobj_class_free(*cls_itr);
1019 free(_eobj_classes);
1021 eina_log_domain_unregister(_eobj_log_dom);
1029 eobj_composite_object_attach(Eobj *obj, Eobj *emb_obj)
1032 obj->composite_objects = eina_list_prepend(obj->composite_objects, emb_obj);
1036 eobj_composite_object_detach(Eobj *obj, Eobj *emb_obj)
1038 obj->composite_objects = eina_list_remove(obj->composite_objects, emb_obj);
1039 eobj_unref(emb_obj);
1043 eobj_composite_is(Eobj *emb_obj)
1045 Eobj *obj = eobj_parent_get(emb_obj);
1052 EINA_LIST_FOREACH(obj->composite_objects, itr, tmp)
1062 struct _Eobj_Callback_Description
1065 const Eobj_Event_Description *event;
1068 Eobj_Callback_Priority priority;
1069 Eina_Bool delete_me : 1;
1072 /* Actually remove, doesn't care about walking list, or delete_me */
1074 _eobj_callback_remove(Eobj *obj, Eobj_Callback_Description *cb)
1076 obj->callbacks = eina_inlist_remove(obj->callbacks,
1077 EINA_INLIST_GET(cb));
1081 /* Actually remove, doesn't care about walking list, or delete_me */
1083 _eobj_callback_remove_all(Eobj *obj)
1086 Eobj_Callback_Description *cb;
1087 EINA_INLIST_FOREACH_SAFE(obj->callbacks, initr, cb)
1089 _eobj_callback_remove(obj, cb);
1094 _eobj_callbacks_clear(Eobj *obj)
1097 Eobj_Callback_Description *cb;
1099 /* Abort if we are currently walking the list. */
1100 if (obj->walking_list > 0)
1103 EINA_INLIST_FOREACH_SAFE(obj->callbacks, itn, cb)
1107 _eobj_callback_remove(obj, cb);
1113 _callback_priority_cmp(const void *_a, const void *_b)
1115 const Eobj_Callback_Description *a, *b;
1116 a = (const Eobj_Callback_Description *) _a;
1117 b = (const Eobj_Callback_Description *) _b;
1118 if (a->priority < b->priority)
1125 eobj_event_callback_add(Eobj *obj,
1126 const Eobj_Event_Description *desc,
1130 return eobj_event_callback_priority_add(obj, desc,
1131 EOBJ_CALLBACK_PRIORITY_DEFAULT, cb, data);
1135 eobj_event_callback_priority_add(Eobj *obj,
1136 const Eobj_Event_Description *desc,
1137 Eobj_Callback_Priority priority,
1141 Eobj_Callback_Description *cb = calloc(1, sizeof(*cb));
1144 cb->func_data = (void *) data;
1145 cb->priority = priority;
1146 obj->callbacks = eina_inlist_sorted_insert(obj->callbacks,
1147 EINA_INLIST_GET(cb), _callback_priority_cmp);
1149 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_ADD, desc);
1155 eobj_event_callback_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func)
1158 Eobj_Callback_Description *cb;
1159 EINA_INLIST_FOREACH(obj->callbacks, cb)
1161 if ((cb->event == desc) && (cb->func == func))
1165 data = cb->func_data;
1166 cb->delete_me = EINA_TRUE;
1167 _eobj_callbacks_clear(obj);
1176 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_DEL, desc);
1181 eobj_event_callback_del_full(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func, const void *user_data)
1184 Eobj_Callback_Description *cb;
1185 EINA_INLIST_FOREACH(obj->callbacks, cb)
1187 if ((cb->event == desc) && (cb->func == func) &&
1188 (cb->func_data == user_data))
1192 data = cb->func_data;
1193 cb->delete_me = EINA_TRUE;
1194 _eobj_callbacks_clear(obj);
1203 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_DEL, desc);
1208 eobj_event_callback_call(Eobj *obj, const Eobj_Event_Description *desc,
1209 const void *event_info)
1211 Eobj_Callback_Description *cb;
1213 obj->walking_list++;
1215 EINA_INLIST_FOREACH(obj->callbacks, cb)
1217 if (!cb->delete_me && (cb->event == desc))
1219 /* Abort callback calling if the func says so. */
1220 if (!cb->func((void *) cb->func_data, obj, desc,
1221 (void *) event_info))
1229 obj->walking_list--;
1230 _eobj_callbacks_clear(obj);
1236 _eobj_event_forwarder_callback(void *data, Eobj *obj, const Eobj_Event_Description *desc, void *event_info)
1239 Eobj *new_obj = (Eobj *) data;
1240 return eobj_event_callback_call(new_obj, desc, event_info);
1243 /* FIXME: Change default priority? Maybe call later? */
1245 eobj_event_callback_forwarder_add(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1247 return eobj_event_callback_add(obj, desc, _eobj_event_forwarder_callback, new_obj);
1251 eobj_event_callback_forwarder_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1253 eobj_event_callback_del_full(obj, desc, _eobj_event_forwarder_callback, new_obj);
1257 /* EOBJ_CLASS_BASE stuff */
1258 static Eobj_Class *_my_class = NULL;
1260 /* FIXME: Set proper type descriptions. */
1261 EAPI const Eobj_Event_Description _EOBJ_SIG_CALLBACK_ADD =
1262 EOBJ_EVENT_DESCRIPTION("callback,add", "?", "Called when a callback was added.");
1263 EAPI const Eobj_Event_Description _EOBJ_SIG_CALLBACK_DEL =
1264 EOBJ_EVENT_DESCRIPTION("callback,del", "?", "Called when a callback was deleted.");
1267 _constructor(Eobj *obj, void *class_data __UNUSED__)
1269 DBG("%p - %s.", obj, _my_class->desc->name);
1273 _destructor(Eobj *obj, void *class_data __UNUSED__)
1275 DBG("%p - %s.", obj, _my_class->desc->name);
1278 EAPI const Eobj_Class *
1279 eobj_base_class_get(void)
1281 if (_my_class) return _my_class;
1283 static const Eobj_Class_Description class_desc = {
1285 EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT,
1286 EOBJ_CLASS_DESCRIPTION_OPS(NULL, NULL, 0),
1295 return _my_class = eobj_class_new(&class_desc, NULL, NULL);