24 lv_fragment_t * lv_fragment_create(const lv_fragment_class_t * cls, void * args)  in lv_fragment_create()  argument
26     LV_ASSERT_NULL(cls);  in lv_fragment_create()
27     LV_ASSERT_NULL(cls->create_obj_cb);  in lv_fragment_create()
28     LV_ASSERT(cls->instance_size > 0);  in lv_fragment_create()
29     lv_fragment_t * instance = lv_mem_alloc(cls->instance_size);  in lv_fragment_create()
30     lv_memset_00(instance, cls->instance_size);  in lv_fragment_create()
31     instance->cls = cls;  in lv_fragment_create()
33     if(cls->constructor_cb) {  in lv_fragment_create()
34         cls->constructor_cb(instance, args);  in lv_fragment_create()
50     const lv_fragment_class_t * cls = fragment->cls;  in lv_fragment_del()  local
51     if(cls->destructor_cb) {  in lv_fragment_del()
52         cls->destructor_cb(fragment);  in lv_fragment_del()
85     const lv_fragment_class_t * cls = fragment->cls;  in lv_fragment_create_obj()  local
86     lv_obj_t * obj = cls->create_obj_cb(fragment, container);  in lv_fragment_create_obj()
94     if(cls->obj_created_cb) {  in lv_fragment_create_obj()
95         cls->obj_created_cb(fragment, obj);  in lv_fragment_create_obj()
112     const lv_fragment_class_t * cls = fragment->cls;  in lv_fragment_del_obj()  local
113     if(cls->obj_will_delete_cb) {  in lv_fragment_del_obj()
114         cls->obj_will_delete_cb(fragment, fragment->obj);  in lv_fragment_del_obj()
117     if(cls->obj_deleted_cb) {  in lv_fragment_del_obj()
118         cls->obj_deleted_cb(fragment, fragment->obj);  in lv_fragment_del_obj()