7 typedef int Eobj_Class_Id;
9 static int _eobj_log_dom = -1;
11 static Eobj_Class **_eobj_classes;
12 static Eobj_Class_Id _eobj_classes_last_id;
13 static Eina_Bool _eobj_init_count = 0;
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;
51 const Eobj_Class *klass;
54 Eina_List *composite_objects;
56 Eina_Inlist *callbacks;
59 Eina_Inlist *generic_data;
64 Eina_Bool construct_error:1;
68 /* Dich search, split to 0xff 0xff 0xffff */
70 #define DICH_CHAIN1_MASK (0xff)
71 #define DICH_CHAIN2_MASK (0xff)
72 #define DICH_CHAIN_LAST_MASK (0xffff)
73 #define DICH_CHAIN1_SIZE (DICH_CHAIN1_MASK + 1)
74 #define DICH_CHAIN2_SIZE (DICH_CHAIN2_MASK + 1)
75 #define DICH_CHAIN_LAST_SIZE (DICH_CHAIN_LAST_MASK + 1)
76 #define DICH_CHAIN1(x) (((x) >> 24) & DICH_CHAIN1_MASK)
77 #define DICH_CHAIN2(x) (((x) >> 16) & DICH_CHAIN2_MASK)
78 #define DICH_CHAIN_LAST(x) ((x) & DICH_CHAIN_LAST_MASK)
80 #define OP_CLASS_OFFSET 16
81 #define OP_CLASS_OFFSET_GET(x) (((x) >> OP_CLASS_OFFSET) & 0xffff)
82 #define OP_CLASS_GET(op) ({ \
83 Eobj_Class_Id tmp = OP_CLASS_OFFSET_GET(op); \
84 (Eobj_Class *) ((tmp <= _eobj_classes_last_id) && (tmp > 0)) ? \
85 (_eobj_classes[tmp - 1]) : NULL; \
87 #define OP_SUB_ID_GET(op) ((op) & 0xffff)
89 /* Structure of Eobj_Op is:
94 typedef struct _Dich_Chain1 Dich_Chain1;
98 eobj_op_func_type func;
103 op_type_funcs *funcs;
114 const Eobj_Class *klass;
115 } Eobj_Extension_Node;
119 Eobj_Class_Id class_id;
120 const Eobj_Class *parent;
121 const Eobj_Class_Description *desc;
122 Dich_Chain1 chain[DICH_CHAIN1_SIZE];
123 Eina_Inlist *extensions;
125 const Eobj_Class **mro;
127 size_t data_offset; /* < Offset of the data within object data. */
129 Eina_Bool constructed : 1;
132 static inline eobj_op_func_type
133 dich_func_get(const Eobj_Class *klass, Eobj_Op op)
135 const Dich_Chain1 *chain1 = &klass->chain[DICH_CHAIN1(op)];
136 if (!chain1) return NULL;
137 if (!chain1->chain) return NULL;
138 Dich_Chain2 *chain2 = &chain1->chain[DICH_CHAIN2(op)];
139 if (!chain2) return NULL;
140 if (!chain2->funcs) return NULL;
142 /* num_ops is calculated from the class. */
143 const Eobj_Class *op_klass = OP_CLASS_GET(op);
144 if (!op_klass || (DICH_CHAIN_LAST(op) >= op_klass->desc->ops.count))
147 return chain2->funcs[DICH_CHAIN_LAST(op)].func;
151 dich_func_set(Eobj_Class *klass, Eobj_Op op, eobj_op_func_type func)
153 const Eobj_Class *op_klass = OP_CLASS_GET(op);
156 /* Verify op is valid. */
159 /* num_ops is calculated from the class. */
160 num_ops = op_klass->desc->ops.count;
161 if (DICH_CHAIN_LAST(op) >= num_ops)
163 ERR("OP %x is too big for the domain '%s', expected value < %x.",
164 op, op_klass->desc->name, op_klass->desc->ops.count);
169 ERR("OP %x is from an illegal class.", op);
173 Dich_Chain1 *chain1 = &klass->chain[DICH_CHAIN1(op)];
176 klass->chain[DICH_CHAIN1(op)].chain =
178 calloc(DICH_CHAIN2_SIZE, sizeof(*(chain1->chain)));
181 Dich_Chain2 *chain2 = &chain1->chain[DICH_CHAIN2(op)];
184 chain2->funcs = chain1->chain[DICH_CHAIN2(op)].funcs =
185 calloc(num_ops, sizeof(*(chain2->funcs)));
188 chain2->funcs[DICH_CHAIN_LAST(op)].func = func;
192 dich_func_clean_all(Eobj_Class *klass)
195 Dich_Chain1 *chain1 = klass->chain;
197 for (i = 0 ; i < DICH_CHAIN1_SIZE ; i++, chain1++)
200 Dich_Chain2 *chain2 = chain1->chain;
205 for (j = 0 ; j < DICH_CHAIN2_SIZE ; j++, chain2++)
210 chain1->chain = NULL;
220 const Eobj_Class **kls_itr;
223 static inline Eina_Bool
224 _eobj_kls_itr_init(Eobj *obj, Eobj_Op op)
228 Eobj_Kls_Itr_Node *node =
229 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
238 Eobj_Kls_Itr_Node *node = calloc(1, sizeof(*node));
240 node->kls_itr = obj->klass->mro;
241 obj->kls_itr = eina_inlist_prepend(obj->kls_itr,
242 EINA_INLIST_GET(node));
249 _eobj_kls_itr_end(Eobj *obj, Eobj_Op op)
251 Eobj_Kls_Itr_Node *node =
252 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
257 obj->kls_itr = eina_inlist_remove(obj->kls_itr, obj->kls_itr);
261 static inline const Eobj_Class *
262 _eobj_kls_itr_get(Eobj *obj)
264 Eobj_Kls_Itr_Node *node =
265 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
267 return (node) ? *(node->kls_itr) : NULL;
270 static inline const Eobj_Class *
271 _eobj_kls_itr_next(Eobj *obj)
273 Eobj_Kls_Itr_Node *node =
274 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
275 const Eobj_Class **kls_itr = node->kls_itr;
279 node->kls_itr = kls_itr;
288 static inline Eina_Bool
289 _eobj_kls_itr_reached_end(const Eobj *obj)
291 Eobj_Kls_Itr_Node *node =
292 EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node);
293 const Eobj_Class **kls_itr = node->kls_itr;
294 return !(*kls_itr && *(kls_itr + 1));
297 static const Eobj_Op_Description *
298 _eobj_op_id_desc_get(Eobj_Op op)
300 const Eobj_Class *klass = OP_CLASS_GET(op);
301 Eobj_Op sub_id = OP_SUB_ID_GET(op);
303 if (klass && (sub_id < klass->desc->ops.count))
304 return klass->desc->ops.descs + sub_id;
310 _eobj_op_internal(Eobj *obj, Eobj_Op op, va_list *p_list)
312 const Eobj_Class *klass;
313 Eina_Bool ret = EINA_FALSE;
316 _itr_init = _eobj_kls_itr_init(obj, op);
317 klass = _eobj_kls_itr_get(obj);
320 eobj_op_func_type func = dich_func_get(klass, op);
324 func(obj, eobj_data_get(obj, klass), p_list);
329 klass = _eobj_kls_itr_next(obj);
332 /* Try composite objects */
336 EINA_LIST_FOREACH(obj->composite_objects, itr, emb_obj)
338 if (_eobj_op_internal(emb_obj, op, p_list))
348 if (_itr_init) _eobj_kls_itr_end(obj, op);
352 static inline Eina_Bool
353 _eobj_ops_internal(Eobj *obj, va_list *p_list)
355 Eina_Bool ret = EINA_TRUE;
358 op = va_arg(*p_list, Eobj_Op);
361 if (!_eobj_op_internal(obj, op, p_list))
363 const Eobj_Op_Description *desc = _eobj_op_id_desc_get(op);
364 const char *_id_name = (desc) ? desc->name : NULL;
365 const Eobj_Class *op_klass = OP_CLASS_GET(op);
366 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
367 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
368 op, _id_name, _dom_name,
369 obj->klass->desc->name);
373 op = va_arg(*p_list, Eobj_Op);
380 eobj_do_internal(Eobj *obj, ...)
385 va_start(p_list, obj);
386 ret = _eobj_ops_internal(obj, &p_list);
393 eobj_do_super(Eobj *obj, Eobj_Op op, ...)
395 const Eobj_Class *obj_klass;
396 Eina_Bool ret = EINA_TRUE;
399 va_start(p_list, op);
401 /* Advance the kls itr. */
402 obj_klass = _eobj_kls_itr_next(obj);
403 if (!_eobj_op_internal(obj, op, &p_list))
405 const Eobj_Op_Description *desc = _eobj_op_id_desc_get(op);
406 const char *_id_name = (desc) ? desc->name : NULL;
407 const Eobj_Class *op_klass = OP_CLASS_GET(op);
408 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
409 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
410 op, _id_name, _dom_name,
411 (obj_klass) ? obj_klass->desc->name : NULL);
419 EAPI const Eobj_Class *
420 eobj_class_get(const Eobj *obj)
426 eobj_class_name_get(const Eobj_Class *klass)
428 return klass->desc->name;
432 _eobj_class_base_op_init(Eobj_Class *klass)
434 const Eobj_Class_Description *desc = klass->desc;
435 if (!desc || !desc->ops.base_op_id)
438 /* FIXME: Depends on values defined above! */
439 *(desc->ops.base_op_id) = klass->class_id << OP_CLASS_OFFSET;
443 _eobj_class_mro_add(Eina_List *mro, const Eobj_Class *klass)
448 mro = eina_list_append(mro, klass);
451 Eobj_Extension_Node *extn;
452 EINA_INLIST_FOREACH(klass->extensions, extn)
454 mro = _eobj_class_mro_add(mro, extn->klass);
458 mro = _eobj_class_mro_add(mro, klass->parent);
464 _eobj_class_mro_init(Eobj_Class *klass)
466 Eina_List *mro = NULL;
468 DBG("Started creating MRO for class '%s'", klass->desc->name);
469 mro = _eobj_class_mro_add(mro, klass);
472 Eina_List *itr1, *itr2, *itr2n;
474 itr1 = eina_list_last(mro);
477 itr2 = eina_list_prev(itr1);
481 itr2n = eina_list_prev(itr2);
483 if (eina_list_data_get(itr1) == eina_list_data_get(itr2))
485 mro = eina_list_remove_list(mro, itr2);
491 itr1 = eina_list_prev(itr1);
495 /* Copy the mro and free the list. */
497 const Eobj_Class *kls_itr;
498 const Eobj_Class **mro_itr;
499 klass->mro = calloc(sizeof(*klass->mro), eina_list_count(mro) + 1);
501 mro_itr = klass->mro;
503 EINA_LIST_FREE(mro, kls_itr)
505 *(mro_itr++) = kls_itr;
507 DBG("Added '%s' to MRO", kls_itr->desc->name);
512 DBG("Finished creating MRO for class '%s'", klass->desc->name);
516 _eobj_class_constructor(Eobj_Class *klass)
518 if (klass->constructed)
521 klass->constructed = EINA_TRUE;
523 if (klass->desc->class_constructor)
524 klass->desc->class_constructor(klass);
526 _eobj_class_mro_init(klass);
530 eobj_class_funcs_set(Eobj_Class *klass, const Eobj_Op_Func_Description *func_descs)
532 const Eobj_Op_Func_Description *itr;
536 for ( ; itr->op != 0 ; itr++)
538 dich_func_set(klass, itr->op, itr->func);
544 eobj_class_free(Eobj_Class *klass)
546 if (klass->constructed)
548 if (klass->desc->class_destructor)
549 klass->desc->class_destructor(klass);
551 dich_func_clean_all(klass);
556 Eobj_Extension_Node *extn;
557 EINA_INLIST_FOREACH_SAFE(klass->extensions, itrn, extn)
570 _eobj_class_check_op_descs(const Eobj_Class *klass)
572 const Eobj_Class_Description *desc = klass->desc;
573 const Eobj_Op_Description *itr;
576 itr = desc->ops.descs;
577 for (i = 0 ; i < desc->ops.count ; i++, itr++)
579 if (itr->sub_op != i)
581 ERR("Wrong order in Ops description for class '%s'. Expected %d and got %d", desc->name, i, itr->sub_op);
586 if (itr && itr->name)
588 ERR("Found extra Ops description for class '%s'. Expected %d descriptions, but found more.", desc->name, desc->ops.count);
595 EAPI const Eobj_Class *
596 eobj_class_new(const Eobj_Class_Description *desc, const Eobj_Class *parent, ...)
601 va_start(p_list, parent);
603 #define _CLS_NEW_CHECK(x) \
608 ERR("%s can't be NULL! Aborting.", #x); \
614 _CLS_NEW_CHECK(desc);
615 _CLS_NEW_CHECK(desc->name);
617 klass = calloc(1, sizeof(Eobj_Class));
618 klass->parent = parent;
620 /* Handle class extensions */
622 Eobj_Class *extn = NULL;
624 extn = va_arg(p_list, Eobj_Class *);
627 switch (extn->desc->type)
629 case EOBJ_CLASS_TYPE_REGULAR:
630 case EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT:
631 /* Use it like an interface. */
632 case EOBJ_CLASS_TYPE_INTERFACE:
634 case EOBJ_CLASS_TYPE_MIXIN:
636 Eobj_Extension_Node *node = calloc(1, sizeof(*node));
639 eina_inlist_append(klass->extensions,
640 EINA_INLIST_GET(node));
645 extn = va_arg(p_list, Eobj_Class *);
651 /* Handle the inheritance */
654 /* Verify the inheritance is allowed. */
655 switch (klass->desc->type)
657 case EOBJ_CLASS_TYPE_REGULAR:
658 case EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT:
659 if ((klass->parent->desc->type != EOBJ_CLASS_TYPE_REGULAR) &&
660 (klass->parent->desc->type != EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT))
662 /* FIXME: Actually handle it. */
663 ERR("Regular classes ('%s') aren't allowed to inherit from non-regular classes ('%s').", klass->desc->name, klass->parent->desc->name);
667 case EOBJ_CLASS_TYPE_INTERFACE:
668 case EOBJ_CLASS_TYPE_MIXIN:
669 if ((klass->parent->desc->type != EOBJ_CLASS_TYPE_REGULAR) &&
670 (klass->parent->desc->type != EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT))
672 /* FIXME: Actually handle it. */
673 ERR("Non-regular classes ('%s') aren't allowed to inherit from regular classes ('%s').", klass->desc->name, klass->parent->desc->name);
680 /* Update the current offset. */
681 /* FIXME: Make sure this alignment is enough. */
682 klass->data_offset = klass->parent->data_offset +
683 klass->parent->desc->data_size +
685 (klass->parent->desc->data_size % sizeof(void *)));
688 if (!_eobj_class_check_op_descs(klass))
690 ERR("Class '%s' has a bad op description.", klass->desc->name);
694 klass->class_id = ++_eobj_classes_last_id;
696 /* FIXME: Handle errors. */
698 tmp = realloc(_eobj_classes, _eobj_classes_last_id * sizeof(*_eobj_classes));
700 _eobj_classes[klass->class_id - 1] = klass;
703 _eobj_class_base_op_init(klass);
705 /* FIXME: Shouldn't be called here - should be called from eobj_add. */
706 _eobj_class_constructor(klass);
713 eobj_class_free(klass);
716 #undef _CLS_NEW_CHECK
719 eobj_add(const Eobj_Class *klass, Eobj *parent)
721 if (klass->desc->type != EOBJ_CLASS_TYPE_REGULAR)
723 ERR("Class '%s' is not instantiate-able. Aborting.", klass->desc->name);
727 Eobj *obj = calloc(1, sizeof(*obj));
729 obj->parent = parent;
733 obj->data_blob = calloc(1, klass->data_offset + klass->desc->data_size);
735 _eobj_kls_itr_init(obj, EOBJ_NOOP);
736 eobj_constructor_error_unset(obj);
739 eobj_class_constructor(obj, klass);
741 if (eobj_constructor_error_get(obj))
743 ERR("Type '%s' - One of the object constructors have failed.", klass->desc->name);
747 if (!_eobj_kls_itr_reached_end(obj))
749 ERR("Type '%s' - Not all of the object constructors have been executed.", klass->desc->name);
752 _eobj_kls_itr_end(obj, EOBJ_NOOP);
758 /* Unref twice, once for the ref above, and once for the basic object ref. */
772 eobj_unref(Eobj *obj)
774 if (--(obj->refcount) == 0)
776 /* We need that for the event callbacks that may ref/unref. */
781 eobj_event_callback_call(obj, EOBJ_EV_DEL, NULL);
782 obj->delete = EINA_TRUE;
784 eobj_event_callback_call(obj, EOBJ_EV_FREE, NULL);
788 const Eobj_Class *klass = eobj_class_get(obj);
789 _eobj_kls_itr_init(obj, EOBJ_NOOP);
790 eobj_constructor_error_unset(obj);
791 eobj_class_destructor(obj, klass);
792 if (eobj_constructor_error_get(obj))
794 ERR("Type '%s' - One of the object destructors have failed.", klass->desc->name);
797 if (!_eobj_kls_itr_reached_end(obj))
799 ERR("Type '%s' - Not all of the object destructors have been executed.", klass->desc->name);
801 _eobj_kls_itr_end(obj, EOBJ_NOOP);
802 /*FIXME: add eobj_class_unref(klass) ? - just to clear the caches. */
804 /* If for some reason it's not empty, clear it. */
807 WRN("Kls_Itr is not empty, possibly a bug, please report. - An error will be reported for each kls_itr in the stack.");
808 Eina_Inlist *nitr = nitr->next;
809 free(EINA_INLIST_CONTAINER_GET(obj->kls_itr, Eobj_Kls_Itr_Node));
813 Eina_List *itr, *itr_n;
815 EINA_LIST_FOREACH_SAFE(obj->composite_objects, itr, itr_n, emb_obj)
817 /* FIXME: Should probably be unref. */
819 obj->composite_objects =
820 eina_list_remove_list(obj->composite_objects, itr);
823 _eobj_callback_remove_all(obj);
826 free(obj->data_blob);
828 _eobj_generic_data_del_all(obj);
835 eobj_ref_get(const Eobj *obj)
837 return obj->refcount;
845 eobj_event_callback_call(obj, EOBJ_EV_DEL, NULL);
846 obj->delete = EINA_TRUE;
852 eobj_parent_get(Eobj *obj)
858 eobj_constructor_error_set(Eobj *obj)
860 obj->construct_error = EINA_TRUE;
864 eobj_constructor_error_unset(Eobj *obj)
866 obj->construct_error = EINA_FALSE;
870 eobj_constructor_error_get(const Eobj *obj)
872 return obj->construct_error;
876 _eobj_constructor_default(Eobj *obj)
878 eobj_constructor_super(obj);
882 _eobj_destructor_default(Eobj *obj)
884 eobj_destructor_super(obj);
888 eobj_class_constructor(Eobj *obj, const Eobj_Class *klass)
893 if (klass->desc->constructor)
894 klass->desc->constructor(obj, eobj_data_get(obj, klass));
896 _eobj_constructor_default(obj);
900 eobj_class_destructor(Eobj *obj, const Eobj_Class *klass)
905 if (klass->desc->destructor)
906 klass->desc->destructor(obj, eobj_data_get(obj, klass));
908 _eobj_destructor_default(obj);
912 eobj_constructor_super(Eobj *obj)
914 eobj_class_constructor(obj, _eobj_kls_itr_next(obj));
918 eobj_destructor_super(Eobj *obj)
920 eobj_class_destructor(obj, _eobj_kls_itr_next(obj));
924 eobj_data_get(Eobj *obj, const Eobj_Class *klass)
926 /* FIXME: Add a check that this is of the right klass and we don't seg.
927 * Probably just return NULL. */
928 if (klass->desc->data_size > 0)
929 return ((char *) obj->data_blob) + klass->data_offset;
937 Eina_Stringshare *key;
939 } Eobj_Generic_Data_Node;
942 _eobj_generic_data_node_free(Eobj_Generic_Data_Node *node)
944 eina_stringshare_del(node->key);
949 _eobj_generic_data_del_all(Eobj *obj)
952 Eobj_Generic_Data_Node *node;
954 EINA_INLIST_FOREACH_SAFE(obj->generic_data, nnode, node)
956 obj->generic_data = eina_inlist_remove(obj->generic_data,
957 EINA_INLIST_GET(node));
959 _eobj_generic_data_node_free(node);
964 eobj_generic_data_set(Eobj *obj, const char *key, const void *data)
967 Eobj_Generic_Data_Node *node;
969 if (!key) return NULL;
970 if (!data) return NULL;
972 prev_data = eobj_generic_data_del(obj, key);
974 node = malloc(sizeof(Eobj_Generic_Data_Node));
975 node->key = eina_stringshare_add(key);
976 node->data = (void *) data;
977 obj->generic_data = eina_inlist_prepend(obj->generic_data,
978 EINA_INLIST_GET(node));
984 eobj_generic_data_get(const Eobj *obj, const char *key)
986 Eobj_Generic_Data_Node *node;
988 if (!key) return NULL;
990 EINA_INLIST_FOREACH(obj->generic_data, node)
992 if (!strcmp(node->key, key))
994 ((Eobj *) obj)->generic_data =
995 eina_inlist_promote(obj->generic_data, EINA_INLIST_GET(node));
1003 eobj_generic_data_del(Eobj *obj, const char *key)
1005 Eobj_Generic_Data_Node *node;
1007 if (!key) return NULL;
1009 EINA_INLIST_FOREACH(obj->generic_data, node)
1011 if (!strcmp(node->key, key))
1016 obj->generic_data = eina_inlist_remove(obj->generic_data,
1017 EINA_INLIST_GET(node));
1018 _eobj_generic_data_node_free(node);
1028 const char *log_dom = "eobj";
1029 if (_eobj_init_count++ > 0)
1034 _eobj_classes = NULL;
1035 _eobj_classes_last_id = 0;
1036 _eobj_log_dom = eina_log_domain_register(log_dom, EINA_COLOR_LIGHTBLUE);
1037 if (_eobj_log_dom < 0)
1039 EINA_LOG_ERR("Could not register log domain: %s", log_dom);
1050 Eobj_Class **cls_itr = _eobj_classes;
1052 if (--_eobj_init_count > 0)
1055 for (i = 0 ; i < _eobj_classes_last_id ; i++, cls_itr++)
1058 eobj_class_free(*cls_itr);
1062 free(_eobj_classes);
1064 eina_log_domain_unregister(_eobj_log_dom);
1072 eobj_composite_object_attach(Eobj *obj, Eobj *emb_obj)
1075 obj->composite_objects = eina_list_prepend(obj->composite_objects, emb_obj);
1079 eobj_composite_object_detach(Eobj *obj, Eobj *emb_obj)
1081 obj->composite_objects = eina_list_remove(obj->composite_objects, emb_obj);
1082 eobj_unref(emb_obj);
1086 eobj_composite_is(Eobj *emb_obj)
1088 Eobj *obj = eobj_parent_get(emb_obj);
1095 EINA_LIST_FOREACH(obj->composite_objects, itr, tmp)
1105 struct _Eobj_Callback_Description
1108 const Eobj_Event_Description *event;
1111 Eobj_Callback_Priority priority;
1112 Eina_Bool delete_me : 1;
1115 /* Actually remove, doesn't care about walking list, or delete_me */
1117 _eobj_callback_remove(Eobj *obj, Eobj_Callback_Description *cb)
1119 obj->callbacks = eina_inlist_remove(obj->callbacks,
1120 EINA_INLIST_GET(cb));
1124 /* Actually remove, doesn't care about walking list, or delete_me */
1126 _eobj_callback_remove_all(Eobj *obj)
1129 Eobj_Callback_Description *cb;
1130 EINA_INLIST_FOREACH_SAFE(obj->callbacks, initr, cb)
1132 _eobj_callback_remove(obj, cb);
1137 _eobj_callbacks_clear(Eobj *obj)
1140 Eobj_Callback_Description *cb;
1142 /* Abort if we are currently walking the list. */
1143 if (obj->walking_list > 0)
1146 EINA_INLIST_FOREACH_SAFE(obj->callbacks, itn, cb)
1150 _eobj_callback_remove(obj, cb);
1156 _callback_priority_cmp(const void *_a, const void *_b)
1158 const Eobj_Callback_Description *a, *b;
1159 a = (const Eobj_Callback_Description *) _a;
1160 b = (const Eobj_Callback_Description *) _b;
1161 if (a->priority < b->priority)
1168 eobj_event_callback_priority_add(Eobj *obj,
1169 const Eobj_Event_Description *desc,
1170 Eobj_Callback_Priority priority,
1174 Eobj_Callback_Description *cb = calloc(1, sizeof(*cb));
1177 cb->func_data = (void *) data;
1178 cb->priority = priority;
1179 obj->callbacks = eina_inlist_sorted_insert(obj->callbacks,
1180 EINA_INLIST_GET(cb), _callback_priority_cmp);
1182 eobj_event_callback_call(obj, EOBJ_EV_CALLBACK_ADD, desc);
1188 eobj_event_callback_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func)
1191 Eobj_Callback_Description *cb;
1192 EINA_INLIST_FOREACH(obj->callbacks, cb)
1194 if ((cb->event == desc) && (cb->func == func))
1198 data = cb->func_data;
1199 cb->delete_me = EINA_TRUE;
1200 _eobj_callbacks_clear(obj);
1209 eobj_event_callback_call(obj, EOBJ_EV_CALLBACK_DEL, desc);
1214 eobj_event_callback_del_full(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func, const void *user_data)
1217 Eobj_Callback_Description *cb;
1218 EINA_INLIST_FOREACH(obj->callbacks, cb)
1220 if ((cb->event == desc) && (cb->func == func) &&
1221 (cb->func_data == user_data))
1225 data = cb->func_data;
1226 cb->delete_me = EINA_TRUE;
1227 _eobj_callbacks_clear(obj);
1236 eobj_event_callback_call(obj, EOBJ_EV_CALLBACK_DEL, desc);
1241 eobj_event_callback_call(Eobj *obj, const Eobj_Event_Description *desc,
1242 const void *event_info)
1244 Eina_Bool ret = EINA_TRUE;
1245 Eobj_Callback_Description *cb;
1248 obj->walking_list++;
1250 EINA_INLIST_FOREACH(obj->callbacks, cb)
1252 if (!cb->delete_me && (cb->event == desc))
1254 /* Abort callback calling if the func says so. */
1255 if (!cb->func((void *) cb->func_data, obj, desc,
1256 (void *) event_info))
1265 obj->walking_list--;
1266 _eobj_callbacks_clear(obj);
1273 _eobj_event_forwarder_callback(void *data, Eobj *obj, const Eobj_Event_Description *desc, void *event_info)
1276 Eobj *new_obj = (Eobj *) data;
1277 return eobj_event_callback_call(new_obj, desc, event_info);
1280 /* FIXME: Change default priority? Maybe call later? */
1282 eobj_event_callback_forwarder_add(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1284 return eobj_event_callback_add(obj, desc, _eobj_event_forwarder_callback, new_obj);
1288 eobj_event_callback_forwarder_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1290 eobj_event_callback_del_full(obj, desc, _eobj_event_forwarder_callback, new_obj);
1294 /* EOBJ_CLASS_BASE stuff */
1295 static const Eobj_Class *_my_class = NULL;
1297 /* FIXME: Set proper type descriptions. */
1298 EAPI const Eobj_Event_Description _EOBJ_EV_CALLBACK_ADD =
1299 EOBJ_EVENT_DESCRIPTION("callback,add", "?", "A callback was added.");
1300 EAPI const Eobj_Event_Description _EOBJ_EV_CALLBACK_DEL =
1301 EOBJ_EVENT_DESCRIPTION("callback,del", "?", "A callback was deleted.");
1302 EAPI const Eobj_Event_Description _EOBJ_EV_FREE =
1303 EOBJ_EVENT_DESCRIPTION("free", "", "Obj is being freed.");
1304 EAPI const Eobj_Event_Description _EOBJ_EV_DEL =
1305 EOBJ_EVENT_DESCRIPTION("del", "", "Obj is being deleted.");
1308 _constructor(Eobj *obj, void *class_data __UNUSED__)
1310 DBG("%p - %s.", obj, _my_class->desc->name);
1314 _destructor(Eobj *obj, void *class_data __UNUSED__)
1316 DBG("%p - %s.", obj, _my_class->desc->name);
1319 EAPI const Eobj_Class *
1320 eobj_base_class_get(void)
1322 if (_my_class) return _my_class;
1324 static const Eobj_Event_Description *event_desc[] = {
1325 EOBJ_EV_CALLBACK_ADD,
1326 EOBJ_EV_CALLBACK_DEL,
1332 static const Eobj_Class_Description class_desc = {
1334 EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT,
1335 EOBJ_CLASS_DESCRIPTION_OPS(NULL, NULL, 0),
1344 return _my_class = eobj_class_new(&class_desc, NULL, NULL);