forked from enlightenment/efl
Eobj: Changed weak-ref to work without allocating a structure.
Thanks to cedric. SVN revision: 70415
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@ -534,45 +534,18 @@ EAPI void eobj_del(Eobj *obj);
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* @{
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*/
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/**
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* @struct _Eobj_Weak_Ref
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* This is exposed for performance, please use eobj_weak_ref_get() when you
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* actually want to get the refed object.
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*/
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struct _Eobj_Weak_Ref
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{
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Eobj *obj; /**< The object being referenced. */
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};
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/**
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* @typedef Eobj_Weak_Ref
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* Weak reference type for Eobj.
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*/
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typedef struct _Eobj_Weak_Ref Eobj_Weak_Ref;
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/**
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* @brief Create a new weak reference to obj.
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* @param obj The object being referenced.
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* @return A new weak reference.
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* @param wref The pointer to use for the weak ref.
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*/
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EAPI Eobj_Weak_Ref *eobj_weak_ref_new(const Eobj *obj);
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EAPI void eobj_weak_ref_add(const Eobj *obj, Eobj **wref);
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/**
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* @brief Free the weak reference passed.
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* @param wref the weak reference to free.
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*/
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EAPI void eobj_weak_ref_free(Eobj_Weak_Ref *wref);
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/**
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* @brief Get the referenced object from the weak reference.
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* @param wref the weak reference to get the object from.
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* @return The object referenced by wref.
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*/
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static inline Eobj *
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eobj_weak_ref_get(const Eobj_Weak_Ref *wref)
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{
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return wref->obj;
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}
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EAPI void eobj_weak_ref_del(Eobj **wref);
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/**
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* @}
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@ -1083,35 +1083,30 @@ eobj_ref_get(const Eobj *obj)
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Eina_Bool
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_eobj_weak_ref_cb(void *data, Eobj *obj EINA_UNUSED, const Eobj_Event_Description *desc EINA_UNUSED, void *event_info EINA_UNUSED)
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{
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Eobj_Weak_Ref *wref = data;
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wref->obj = NULL;
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Eobj **wref = data;
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*wref = NULL;
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return EOBJ_CALLBACK_CONTINUE;
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}
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EAPI Eobj_Weak_Ref *
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eobj_weak_ref_new(const Eobj *_obj)
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EAPI void
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eobj_weak_ref_add(const Eobj *_obj, Eobj **wref)
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{
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Eobj *obj = (Eobj *) _obj;
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Eobj_Weak_Ref *wref = calloc(1, sizeof(*wref));
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EOBJ_MAGIC_RETURN(obj, EOBJ_EINA_MAGIC);
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EOBJ_MAGIC_RETURN_VAL(obj, EOBJ_EINA_MAGIC, wref);
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wref->obj = obj;
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*wref = obj;
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eobj_event_callback_add(obj, EOBJ_EV_DEL, _eobj_weak_ref_cb, wref);
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return wref;
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}
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EAPI void
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eobj_weak_ref_free(Eobj_Weak_Ref *wref)
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eobj_weak_ref_del(Eobj **wref)
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{
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if (wref->obj)
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if (*wref)
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{
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eobj_event_callback_del_full(wref->obj, EOBJ_EV_DEL, _eobj_weak_ref_cb,
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eobj_event_callback_del_full(*wref, EOBJ_EV_DEL, _eobj_weak_ref_cb,
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wref);
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}
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free(wref);
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}
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/* EOF Weak reference. */
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@ -69,32 +69,33 @@ START_TEST(eobj_weak_reference)
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eobj_init();
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Eobj *obj = eobj_add(SIMPLE_CLASS, NULL);
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Eobj_Weak_Ref *wref = eobj_weak_ref_new(obj);
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fail_if(!eobj_weak_ref_get(wref));
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Eobj *wref;
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eobj_weak_ref_add(obj, &wref);
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fail_if(!wref);
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eobj_unref(obj);
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fail_if(eobj_weak_ref_get(wref));
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fail_if(wref);
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eobj_weak_ref_free(wref);
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eobj_weak_ref_del(&wref);
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obj = eobj_add(SIMPLE_CLASS, NULL);
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wref = eobj_weak_ref_new(obj);
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eobj_weak_ref_add(obj, &wref);
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eobj_ref(obj);
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fail_if(!eobj_weak_ref_get(wref));
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fail_if(!wref);
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eobj_del(obj);
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fail_if(eobj_weak_ref_get(wref));
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fail_if(wref);
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eobj_unref(obj);
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fail_if(eobj_weak_ref_get(wref));
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fail_if(wref);
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eobj_weak_ref_free(wref);
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eobj_weak_ref_del(&wref);
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obj = eobj_add(SIMPLE_CLASS, NULL);
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wref = eobj_weak_ref_new(obj);
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eobj_weak_ref_free(wref);
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eobj_weak_ref_add(obj, &wref);
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eobj_weak_ref_del(&wref);
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eobj_unref(obj);
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@ -275,9 +276,10 @@ START_TEST(eobj_magic_checks)
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fail_if(0 != eobj_ref_get((Eobj *) buf));
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Eobj_Weak_Ref *wref = eobj_weak_ref_new((Eobj *) buf);
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fail_if(eobj_weak_ref_get(wref));
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eobj_weak_ref_free(wref);
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Eobj *wref = NULL;
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eobj_weak_ref_add((Eobj *) buf, &wref);
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fail_if(wref);
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eobj_weak_ref_del(&wref);
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eobj_del((Eobj *) buf);
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