4 #include "eobj_private.h"
8 typedef int Eobj_Class_Id;
10 int _eobj_log_dom = -1;
12 static Eobj_Class **_eobj_classes;
13 static Eobj_Class_Id _eobj_classes_last_id;
14 static Eina_Bool _eobj_init_count = 0;
16 static void _eobj_callback_remove_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);
21 typedef struct _Eobj_Callback_Description Eobj_Callback_Description;
26 const Eobj_Class *klass;
29 Eina_List *composite_objects;
31 Eina_Inlist *callbacks;
37 Eina_Bool construct_error:1;
41 /* Dich search, split to 0xff 0xff 0xffff */
43 #define DICH_CHAIN1_MASK (0xff)
44 #define DICH_CHAIN2_MASK (0xff)
45 #define DICH_CHAIN_LAST_MASK (0xffff)
46 #define DICH_CHAIN1_SIZE (DICH_CHAIN1_MASK + 1)
47 #define DICH_CHAIN2_SIZE (DICH_CHAIN2_MASK + 1)
48 #define DICH_CHAIN_LAST_SIZE (DICH_CHAIN_LAST_MASK + 1)
49 #define DICH_CHAIN1(x) (((x) >> 24) & DICH_CHAIN1_MASK)
50 #define DICH_CHAIN2(x) (((x) >> 16) & DICH_CHAIN2_MASK)
51 #define DICH_CHAIN_LAST(x) ((x) & DICH_CHAIN_LAST_MASK)
53 #define OP_CLASS_OFFSET 16
54 #define OP_CLASS_OFFSET_GET(x) (((x) >> OP_CLASS_OFFSET) & 0xffff)
55 #define OP_CLASS_GET(op) ({ \
56 Eobj_Class_Id tmp = OP_CLASS_OFFSET_GET(op); \
57 (Eobj_Class *) ((tmp <= _eobj_classes_last_id) && (tmp > 0)) ? \
58 (_eobj_classes[tmp - 1]) : NULL; \
60 #define OP_SUB_ID_GET(op) ((op) & 0xffff)
62 /* Structure of Eobj_Op is:
67 typedef struct _Dich_Chain1 Dich_Chain1;
71 eobj_op_func_type func;
87 const Eobj_Class *klass;
88 } Eobj_Extension_Node;
92 Eobj_Class_Id class_id;
93 const Eobj_Class *parent;
94 const Eobj_Class_Description *desc;
95 Dich_Chain1 chain[DICH_CHAIN1_SIZE];
96 Eina_Inlist *extensions;
98 const Eobj_Class **mro;
100 size_t data_offset; /* < Offset of the data within object data. */
102 Eina_Bool constructed : 1;
105 static inline eobj_op_func_type
106 dich_func_get(const Eobj_Class *klass, Eobj_Op op)
108 const Dich_Chain1 *chain1 = &klass->chain[DICH_CHAIN1(op)];
109 if (!chain1) return NULL;
110 if (!chain1->chain) return NULL;
111 Dich_Chain2 *chain2 = &chain1->chain[DICH_CHAIN2(op)];
112 if (!chain2) return NULL;
113 if (!chain2->funcs) return NULL;
115 /* num_ops is calculated from the class. */
116 const Eobj_Class *op_klass = OP_CLASS_GET(op);
117 if (!op_klass || (DICH_CHAIN_LAST(op) >= op_klass->desc->ops.count))
120 return chain2->funcs[DICH_CHAIN_LAST(op)].func;
124 dich_func_set(Eobj_Class *klass, Eobj_Op op, eobj_op_func_type func)
126 const Eobj_Class *op_klass = OP_CLASS_GET(op);
129 /* Verify op is valid. */
132 /* num_ops is calculated from the class. */
133 num_ops = op_klass->desc->ops.count;
134 if (DICH_CHAIN_LAST(op) >= num_ops)
136 ERR("OP %x is too big for the domain '%s', expected value < %x.",
137 op, op_klass->desc->name, op_klass->desc->ops.count);
142 ERR("OP %x is from an illegal class.", op);
146 Dich_Chain1 *chain1 = &klass->chain[DICH_CHAIN1(op)];
149 klass->chain[DICH_CHAIN1(op)].chain =
151 calloc(DICH_CHAIN2_SIZE, sizeof(*(chain1->chain)));
154 Dich_Chain2 *chain2 = &chain1->chain[DICH_CHAIN2(op)];
157 chain2->funcs = chain1->chain[DICH_CHAIN2(op)].funcs =
158 calloc(num_ops, sizeof(*(chain2->funcs)));
161 chain2->funcs[DICH_CHAIN_LAST(op)].func = func;
165 dich_func_clean_all(Eobj_Class *klass)
168 Dich_Chain1 *chain1 = klass->chain;
170 for (i = 0 ; i < DICH_CHAIN1_SIZE ; i++, chain1++)
173 Dich_Chain2 *chain2 = chain1->chain;
178 for (j = 0 ; j < DICH_CHAIN2_SIZE ; j++, chain2++)
183 chain1->chain = NULL;
193 const Eobj_Class **kls_itr;
196 static inline Eina_Bool
197 _eobj_kls_itr_init(Eobj *obj, Eobj_Op op)
201 Eobj_Kls_Itr_Node *node =
202 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
211 Eobj_Kls_Itr_Node *node = calloc(1, sizeof(*node));
213 node->kls_itr = obj->klass->mro;
214 obj->kls_itr = eina_inlist_prepend(obj->kls_itr,
215 EINA_INLIST_GET(node));
222 _eobj_kls_itr_end(Eobj *obj, Eobj_Op op)
224 Eobj_Kls_Itr_Node *node =
225 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
230 obj->kls_itr = eina_inlist_remove(obj->kls_itr, obj->kls_itr);
234 static inline const Eobj_Class *
235 _eobj_kls_itr_get(Eobj *obj)
237 Eobj_Kls_Itr_Node *node =
238 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
240 return (node) ? *(node->kls_itr) : NULL;
243 static inline const Eobj_Class *
244 _eobj_kls_itr_next(Eobj *obj)
246 Eobj_Kls_Itr_Node *node =
247 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
248 const Eobj_Class **kls_itr = node->kls_itr;
252 node->kls_itr = kls_itr;
261 static inline Eina_Bool
262 _eobj_kls_itr_reached_end(const Eobj *obj)
264 Eobj_Kls_Itr_Node *node =
265 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
266 const Eobj_Class **kls_itr = node->kls_itr;
267 return !(*kls_itr && *(kls_itr + 1));
270 static const Eobj_Op_Description *
271 _eobj_op_id_desc_get(Eobj_Op op)
273 const Eobj_Class *klass = OP_CLASS_GET(op);
274 Eobj_Op sub_id = OP_SUB_ID_GET(op);
276 if (klass && (sub_id < klass->desc->ops.count))
277 return klass->desc->ops.descs + sub_id;
283 _eobj_op_internal(Eobj *obj, Eobj_Op op, va_list *p_list)
285 const Eobj_Class *klass;
286 Eina_Bool ret = EINA_FALSE;
289 _itr_init = _eobj_kls_itr_init(obj, op);
290 klass = _eobj_kls_itr_get(obj);
293 eobj_op_func_type func = dich_func_get(klass, op);
297 func(obj, eobj_data_get(obj, klass), p_list);
302 klass = _eobj_kls_itr_next(obj);
305 /* Try composite objects */
309 EINA_LIST_FOREACH(obj->composite_objects, itr, emb_obj)
311 if (_eobj_op_internal(emb_obj, op, p_list))
321 if (_itr_init) _eobj_kls_itr_end(obj, op);
325 static inline Eina_Bool
326 _eobj_ops_internal(Eobj *obj, va_list *p_list)
328 Eina_Bool ret = EINA_TRUE;
331 op = va_arg(*p_list, Eobj_Op);
334 if (!_eobj_op_internal(obj, op, p_list))
336 const Eobj_Op_Description *desc = _eobj_op_id_desc_get(op);
337 const char *_id_name = (desc) ? desc->name : NULL;
338 const Eobj_Class *op_klass = OP_CLASS_GET(op);
339 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
340 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
341 op, _id_name, _dom_name,
342 obj->klass->desc->name);
346 op = va_arg(*p_list, Eobj_Op);
353 eobj_do_internal(Eobj *obj, ...)
358 va_start(p_list, obj);
359 ret = _eobj_ops_internal(obj, &p_list);
366 eobj_do_super(Eobj *obj, Eobj_Op op, ...)
368 const Eobj_Class *obj_klass;
369 Eina_Bool ret = EINA_TRUE;
372 va_start(p_list, op);
374 /* Advance the kls itr. */
375 obj_klass = _eobj_kls_itr_next(obj);
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) ? obj_klass->desc->name : NULL);
392 EAPI const Eobj_Class *
393 eobj_class_get(const Eobj *obj)
399 eobj_class_name_get(const Eobj_Class *klass)
401 return klass->desc->name;
405 _eobj_class_base_op_init(Eobj_Class *klass)
407 const Eobj_Class_Description *desc = klass->desc;
408 if (!desc || !desc->ops.base_op_id)
411 /* FIXME: Depends on values defined above! */
412 *(desc->ops.base_op_id) = klass->class_id << OP_CLASS_OFFSET;
416 _eobj_class_mro_add(Eina_List *mro, const Eobj_Class *klass)
421 mro = eina_list_append(mro, klass);
424 Eobj_Extension_Node *extn;
425 EINA_INLIST_FOREACH(klass->extensions, extn)
427 mro = _eobj_class_mro_add(mro, extn->klass);
431 mro = _eobj_class_mro_add(mro, klass->parent);
437 _eobj_class_mro_init(Eobj_Class *klass)
439 Eina_List *mro = NULL;
441 DBG("Started creating MRO for class '%s'", klass->desc->name);
442 mro = _eobj_class_mro_add(mro, klass);
445 Eina_List *itr1, *itr2, *itr2n;
447 itr1 = eina_list_last(mro);
450 itr2 = eina_list_prev(itr1);
454 itr2n = eina_list_prev(itr2);
456 if (eina_list_data_get(itr1) == eina_list_data_get(itr2))
458 mro = eina_list_remove_list(mro, itr2);
464 itr1 = eina_list_prev(itr1);
468 /* Copy the mro and free the list. */
470 const Eobj_Class *kls_itr;
471 const Eobj_Class **mro_itr;
472 klass->mro = calloc(sizeof(*klass->mro), eina_list_count(mro) + 1);
474 mro_itr = klass->mro;
476 EINA_LIST_FREE(mro, kls_itr)
478 *(mro_itr++) = kls_itr;
480 DBG("Added '%s' to MRO", kls_itr->desc->name);
485 DBG("Finished creating MRO for class '%s'", klass->desc->name);
489 _eobj_class_constructor(Eobj_Class *klass)
491 if (klass->constructed)
494 klass->constructed = EINA_TRUE;
496 if (klass->desc->class_constructor)
497 klass->desc->class_constructor(klass);
499 _eobj_class_mro_init(klass);
503 eobj_class_funcs_set(Eobj_Class *klass, const Eobj_Op_Func_Description *func_descs)
505 const Eobj_Op_Func_Description *itr;
509 for ( ; itr->op != 0 ; itr++)
511 dich_func_set(klass, itr->op, itr->func);
517 eobj_class_free(Eobj_Class *klass)
519 if (klass->constructed)
521 if (klass->desc->class_destructor)
522 klass->desc->class_destructor(klass);
524 dich_func_clean_all(klass);
529 Eobj_Extension_Node *extn;
530 EINA_INLIST_FOREACH_SAFE(klass->extensions, itrn, extn)
543 _eobj_class_check_op_descs(const Eobj_Class *klass)
545 const Eobj_Class_Description *desc = klass->desc;
546 const Eobj_Op_Description *itr;
549 if (desc->ops.count > 0)
551 if (!desc->ops.base_op_id)
553 ERR("Class '%s' has a non-zero ops count, but base_id is NULL.",
558 if (!desc->ops.descs)
560 ERR("Class '%s' has a non-zero ops count, but there are no descs.",
566 itr = desc->ops.descs;
567 for (i = 0 ; i < desc->ops.count ; i++, itr++)
569 if (itr->sub_op != i)
573 ERR("Wrong order in Ops description for class '%s'. Expected %d and got %d", desc->name, i, itr->sub_op);
577 ERR("Found too few Ops description for class '%s'. Expected %d descriptions, but found %d.", desc->name, desc->ops.count, i);
583 if (itr && itr->name)
585 ERR("Found extra Ops description for class '%s'. Expected %d descriptions, but found more.", desc->name, desc->ops.count);
592 EAPI const Eobj_Class *
593 eobj_class_new(const Eobj_Class_Description *desc, const Eobj_Class *parent, ...)
598 va_start(p_list, parent);
600 #define _CLS_NEW_CHECK(x) \
605 ERR("%s must not be NULL! Aborting.", #x); \
611 _CLS_NEW_CHECK(desc);
612 _CLS_NEW_CHECK(desc->name);
614 klass = calloc(1, sizeof(Eobj_Class));
615 klass->parent = parent;
617 /* Handle class extensions */
619 Eobj_Class *extn = NULL;
621 extn = va_arg(p_list, Eobj_Class *);
624 switch (extn->desc->type)
626 case EOBJ_CLASS_TYPE_REGULAR:
627 case EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT:
628 /* Use it like an interface. */
629 case EOBJ_CLASS_TYPE_INTERFACE:
631 case EOBJ_CLASS_TYPE_MIXIN:
633 Eobj_Extension_Node *node = calloc(1, sizeof(*node));
636 eina_inlist_append(klass->extensions,
637 EINA_INLIST_GET(node));
642 extn = va_arg(p_list, Eobj_Class *);
648 /* Handle the inheritance */
651 /* Verify the inheritance is allowed. */
652 switch (klass->desc->type)
654 case EOBJ_CLASS_TYPE_REGULAR:
655 case EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT:
656 if ((klass->parent->desc->type != EOBJ_CLASS_TYPE_REGULAR) &&
657 (klass->parent->desc->type != EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT))
659 ERR("Regular classes ('%s') aren't allowed to inherit from non-regular classes ('%s').", klass->desc->name, klass->parent->desc->name);
663 case EOBJ_CLASS_TYPE_INTERFACE:
664 case EOBJ_CLASS_TYPE_MIXIN:
665 if ((klass->parent->desc->type != EOBJ_CLASS_TYPE_INTERFACE) &&
666 (klass->parent->desc->type != EOBJ_CLASS_TYPE_MIXIN))
668 ERR("Non-regular classes ('%s') aren't allowed to inherit from regular classes ('%s').", klass->desc->name, klass->parent->desc->name);
675 /* Update the current offset. */
676 /* FIXME: Make sure this alignment is enough. */
677 klass->data_offset = klass->parent->data_offset +
678 klass->parent->desc->data_size +
680 (klass->parent->desc->data_size % sizeof(void *)));
683 if (!_eobj_class_check_op_descs(klass))
688 klass->class_id = ++_eobj_classes_last_id;
690 /* FIXME: Handle errors. */
692 tmp = realloc(_eobj_classes, _eobj_classes_last_id * sizeof(*_eobj_classes));
694 _eobj_classes[klass->class_id - 1] = klass;
697 _eobj_class_base_op_init(klass);
699 /* FIXME: Shouldn't be called here - should be called from eobj_add. */
700 _eobj_class_constructor(klass);
707 eobj_class_free(klass);
710 #undef _CLS_NEW_CHECK
713 eobj_add(const Eobj_Class *klass, Eobj *parent)
715 if (klass->desc->type != EOBJ_CLASS_TYPE_REGULAR)
717 ERR("Class '%s' is not instantiate-able. Aborting.", klass->desc->name);
721 Eobj *obj = calloc(1, sizeof(*obj));
723 obj->parent = parent;
727 obj->data_blob = calloc(1, klass->data_offset + klass->desc->data_size);
729 _eobj_kls_itr_init(obj, EOBJ_NOOP);
730 eobj_constructor_error_unset(obj);
733 eobj_class_constructor(obj, klass);
735 if (eobj_constructor_error_get(obj))
737 ERR("Type '%s' - One of the object constructors have failed.", klass->desc->name);
741 if (!_eobj_kls_itr_reached_end(obj))
743 ERR("Type '%s' - Not all of the object constructors have been executed.", klass->desc->name);
746 _eobj_kls_itr_end(obj, EOBJ_NOOP);
752 /* Unref twice, once for the ref above, and once for the basic object ref. */
766 eobj_unref(Eobj *obj)
768 if (--(obj->refcount) == 0)
770 /* We need that for the event callbacks that may ref/unref. */
775 eobj_event_callback_call(obj, EOBJ_EV_DEL, NULL);
776 obj->delete = EINA_TRUE;
778 eobj_event_callback_call(obj, EOBJ_EV_FREE, NULL);
782 const Eobj_Class *klass = eobj_class_get(obj);
783 _eobj_kls_itr_init(obj, EOBJ_NOOP);
784 eobj_constructor_error_unset(obj);
785 eobj_class_destructor(obj, klass);
786 if (eobj_constructor_error_get(obj))
788 ERR("Type '%s' - One of the object destructors have failed.", klass->desc->name);
791 if (!_eobj_kls_itr_reached_end(obj))
793 ERR("Type '%s' - Not all of the object destructors have been executed.", klass->desc->name);
795 _eobj_kls_itr_end(obj, EOBJ_NOOP);
796 /*FIXME: add eobj_class_unref(klass) ? - just to clear the caches. */
798 /* If for some reason it's not empty, clear it. */
801 WRN("Kls_Itr is not empty, possibly a bug, please report. - An error will be reported for each kls_itr in the stack.");
802 Eina_Inlist *nitr = nitr->next;
803 free(EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node));
807 Eina_List *itr, *itr_n;
809 EINA_LIST_FOREACH_SAFE(obj->composite_objects, itr, itr_n, emb_obj)
811 /* FIXME: Should probably be unref. */
813 obj->composite_objects =
814 eina_list_remove_list(obj->composite_objects, itr);
817 _eobj_callback_remove_all(obj);
820 free(obj->data_blob);
827 eobj_ref_get(const Eobj *obj)
829 return obj->refcount;
837 eobj_event_callback_call(obj, EOBJ_EV_DEL, NULL);
838 obj->delete = EINA_TRUE;
844 eobj_parent_get(Eobj *obj)
850 eobj_constructor_error_set(Eobj *obj)
852 obj->construct_error = EINA_TRUE;
856 eobj_constructor_error_unset(Eobj *obj)
858 obj->construct_error = EINA_FALSE;
862 eobj_constructor_error_get(const Eobj *obj)
864 return obj->construct_error;
868 _eobj_constructor_default(Eobj *obj)
870 eobj_constructor_super(obj);
874 _eobj_destructor_default(Eobj *obj)
876 eobj_destructor_super(obj);
880 eobj_class_constructor(Eobj *obj, const Eobj_Class *klass)
885 if (klass->desc->constructor)
886 klass->desc->constructor(obj, eobj_data_get(obj, klass));
888 _eobj_constructor_default(obj);
892 eobj_class_destructor(Eobj *obj, const Eobj_Class *klass)
897 if (klass->desc->destructor)
898 klass->desc->destructor(obj, eobj_data_get(obj, klass));
900 _eobj_destructor_default(obj);
904 eobj_constructor_super(Eobj *obj)
906 eobj_class_constructor(obj, _eobj_kls_itr_next(obj));
910 eobj_destructor_super(Eobj *obj)
912 eobj_class_destructor(obj, _eobj_kls_itr_next(obj));
916 eobj_data_get(Eobj *obj, const Eobj_Class *klass)
918 /* FIXME: Add a check that this is of the right klass and we don't seg.
919 * Probably just return NULL. */
920 if (klass->desc->data_size > 0)
921 return ((char *) obj->data_blob) + klass->data_offset;
929 const char *log_dom = "eobj";
930 if (_eobj_init_count++ > 0)
935 _eobj_classes = NULL;
936 _eobj_classes_last_id = 0;
937 _eobj_log_dom = eina_log_domain_register(log_dom, EINA_COLOR_LIGHTBLUE);
938 if (_eobj_log_dom < 0)
940 EINA_LOG_ERR("Could not register log domain: %s", log_dom);
951 Eobj_Class **cls_itr = _eobj_classes;
953 if (--_eobj_init_count > 0)
956 for (i = 0 ; i < _eobj_classes_last_id ; i++, cls_itr++)
959 eobj_class_free(*cls_itr);
965 eina_log_domain_unregister(_eobj_log_dom);
973 eobj_composite_object_attach(Eobj *obj, Eobj *emb_obj)
976 obj->composite_objects = eina_list_prepend(obj->composite_objects, emb_obj);
980 eobj_composite_object_detach(Eobj *obj, Eobj *emb_obj)
982 obj->composite_objects = eina_list_remove(obj->composite_objects, emb_obj);
987 eobj_composite_is(Eobj *emb_obj)
989 Eobj *obj = eobj_parent_get(emb_obj);
996 EINA_LIST_FOREACH(obj->composite_objects, itr, tmp)
1006 struct _Eobj_Callback_Description
1009 const Eobj_Event_Description *event;
1012 Eobj_Callback_Priority priority;
1013 Eina_Bool delete_me : 1;
1016 /* Actually remove, doesn't care about walking list, or delete_me */
1018 _eobj_callback_remove(Eobj *obj, Eobj_Callback_Description *cb)
1020 obj->callbacks = eina_inlist_remove(obj->callbacks,
1021 EINA_INLIST_GET(cb));
1025 /* Actually remove, doesn't care about walking list, or delete_me */
1027 _eobj_callback_remove_all(Eobj *obj)
1030 Eobj_Callback_Description *cb;
1031 EINA_INLIST_FOREACH_SAFE(obj->callbacks, initr, cb)
1033 _eobj_callback_remove(obj, cb);
1038 _eobj_callbacks_clear(Eobj *obj)
1041 Eobj_Callback_Description *cb;
1043 /* Abort if we are currently walking the list. */
1044 if (obj->walking_list > 0)
1047 EINA_INLIST_FOREACH_SAFE(obj->callbacks, itn, cb)
1051 _eobj_callback_remove(obj, cb);
1057 _callback_priority_cmp(const void *_a, const void *_b)
1059 const Eobj_Callback_Description *a, *b;
1060 a = (const Eobj_Callback_Description *) _a;
1061 b = (const Eobj_Callback_Description *) _b;
1062 if (a->priority < b->priority)
1069 eobj_event_callback_priority_add(Eobj *obj,
1070 const Eobj_Event_Description *desc,
1071 Eobj_Callback_Priority priority,
1075 Eobj_Callback_Description *cb = calloc(1, sizeof(*cb));
1078 cb->func_data = (void *) data;
1079 cb->priority = priority;
1080 obj->callbacks = eina_inlist_sorted_insert(obj->callbacks,
1081 EINA_INLIST_GET(cb), _callback_priority_cmp);
1083 eobj_event_callback_call(obj, EOBJ_EV_CALLBACK_ADD, desc);
1089 eobj_event_callback_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func)
1092 Eobj_Callback_Description *cb;
1093 EINA_INLIST_FOREACH(obj->callbacks, cb)
1095 if ((cb->event == desc) && (cb->func == func))
1099 data = cb->func_data;
1100 cb->delete_me = EINA_TRUE;
1101 _eobj_callbacks_clear(obj);
1110 eobj_event_callback_call(obj, EOBJ_EV_CALLBACK_DEL, desc);
1115 eobj_event_callback_del_full(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func, const void *user_data)
1118 Eobj_Callback_Description *cb;
1119 EINA_INLIST_FOREACH(obj->callbacks, cb)
1121 if ((cb->event == desc) && (cb->func == func) &&
1122 (cb->func_data == user_data))
1126 data = cb->func_data;
1127 cb->delete_me = EINA_TRUE;
1128 _eobj_callbacks_clear(obj);
1137 eobj_event_callback_call(obj, EOBJ_EV_CALLBACK_DEL, desc);
1142 eobj_event_callback_call(Eobj *obj, const Eobj_Event_Description *desc,
1143 const void *event_info)
1145 Eina_Bool ret = EINA_TRUE;
1146 Eobj_Callback_Description *cb;
1149 obj->walking_list++;
1151 EINA_INLIST_FOREACH(obj->callbacks, cb)
1153 if (!cb->delete_me && (cb->event == desc))
1155 /* Abort callback calling if the func says so. */
1156 if (!cb->func((void *) cb->func_data, obj, desc,
1157 (void *) event_info))
1166 obj->walking_list--;
1167 _eobj_callbacks_clear(obj);
1174 _eobj_event_forwarder_callback(void *data, Eobj *obj, const Eobj_Event_Description *desc, void *event_info)
1177 Eobj *new_obj = (Eobj *) data;
1178 return eobj_event_callback_call(new_obj, desc, event_info);
1181 /* FIXME: Change default priority? Maybe call later? */
1183 eobj_event_callback_forwarder_add(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1185 return eobj_event_callback_add(obj, desc, _eobj_event_forwarder_callback, new_obj);
1189 eobj_event_callback_forwarder_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1191 eobj_event_callback_del_full(obj, desc, _eobj_event_forwarder_callback, new_obj);