efl/src/lib/edje/edje_part_helper.h

145 lines
4.2 KiB
C

#include "edje_private.h"
#include "efl_canvas_layout_part.eo.h"
typedef struct _Efl_Canvas_Layout_Part_Data Efl_Canvas_Layout_Part_Data;
struct _Efl_Canvas_Layout_Part_Data
{
Edje *ed;
Edje_Real_Part *rp;
const char *part;
Eo *obj;
unsigned char temp, in_call, in_use;
};
struct _Part_Item_Iterator
{
Eina_Iterator iterator;
Eina_List *list;
Eina_Iterator *real_iterator;
Eo *object;
};
void _part_reuse_error(Efl_Canvas_Layout_Part_Data *pd);
const char * _part_type_to_string(unsigned char type);
#define PROXY_CALL_BEGIN(pd) do { pd->in_call = 1; } while (0)
#define PROXY_CALL_END(pd) do { pd->in_call = 0; } while (0)
#define PROXY_REF(obj, pd) do { if (!(pd->temp++)) efl_ref(obj); } while(0)
#define PROXY_UNREF(obj, pd) do { if (pd->temp) { if (!(--pd->temp)) efl_del(obj); } } while(0)
#define RETURN_VAL(a) do { typeof(a) _ret = a; PROXY_CALL_END(pd); PROXY_UNREF(obj, pd); return _ret; } while(0)
#define RETURN_VOID do { PROXY_CALL_END(pd); PROXY_UNREF(obj, pd); return; } while(0)
#define PROXY_CALL(a) ({ PROXY_REF(obj, pd); a; })
#define PROXY_STATIC_VAR(type) _##type##_proxy
#ifndef PROXY_ADD_EXTRA_OP
# define PROXY_ADD_EXTRA_OP
#endif
void _edje_real_part_set(Eo *obj, Edje *ed, Edje_Real_Part *rp, const char *part);
static inline void
_part_proxy_del_cb(Eo *proxy, Eo **static_var)
{
Efl_Canvas_Layout_Part_Data *pd;
if (*static_var)
{
// FIXME: Enable debug checks only in debug mode
pd = efl_data_scope_get(*static_var, EFL_CANVAS_LAYOUT_PART_CLASS);
if (pd && pd->temp && !pd->in_call)
_part_reuse_error(pd);
if (*static_var != proxy)
efl_del_intercept_set(*static_var, NULL);
}
if (efl_parent_get(proxy))
{
efl_ref(proxy);
efl_parent_set(proxy, NULL);
}
efl_reuse(proxy);
pd = efl_data_scope_get(proxy, EFL_CANVAS_LAYOUT_PART_CLASS);
pd->in_use = EINA_FALSE;
*static_var = proxy;
}
/* ugly macros to avoid code duplication */
#define PROXY_RESET(type) \
do { if (PROXY_STATIC_VAR(type)) \
{ \
efl_del_intercept_set(PROXY_STATIC_VAR(type), NULL); \
efl_del(PROXY_STATIC_VAR(type)); \
PROXY_STATIC_VAR(type) = NULL; \
} } while (0)
#define PROXY_INIT(type) \
void \
_ ## type ## _shutdown(void); \
#define PROXY_DATA_GET(obj, pd) \
Efl_Canvas_Layout_Part_Data *pd = efl_data_scope_get(obj, EFL_CANVAS_LAYOUT_PART_CLASS); \
PROXY_CALL_BEGIN(pd)
#define PROXY_IMPLEMENTATION(type, KLASS, no_del_cb, ...) \
static Eo * PROXY_STATIC_VAR(type) = NULL; \
\
static void \
_ ## type ## _del_cb(Eo *proxy) \
{ \
_part_proxy_del_cb(proxy, &(PROXY_STATIC_VAR(type))); \
} \
\
void \
_ ## type ## _shutdown(void) \
{ \
PROXY_RESET(type); \
} \
\
Eo * \
_edje_ ## type ## _internal_proxy_get(Edje_Object *obj EINA_UNUSED, Edje *ed, Edje_Real_Part *rp) \
{ \
Efl_Canvas_Layout_Part_Data *pd; \
Eo *proxy; \
\
pd = PROXY_STATIC_VAR(type) ? efl_data_scope_get(PROXY_STATIC_VAR(type), EFL_CANVAS_LAYOUT_PART_CLASS) : NULL; \
if (!pd) \
{ \
if (PROXY_STATIC_VAR(type)) \
ERR("Found invalid handle for efl_part. Reset."); \
PROXY_STATIC_VAR(type) = efl_add(KLASS, ed->obj, _edje_real_part_set(efl_added, ed, rp, rp->part->name)); \
goto end ; \
} \
\
if (EINA_UNLIKELY(pd->in_use)) \
{ \
/* if (!pd->in_call) _part_reuse_error(pd); */ \
PROXY_STATIC_VAR(type) = efl_add(KLASS, ed->obj, _edje_real_part_set(efl_added, ed, rp, rp->part->name)); \
} \
else \
{ \
_edje_real_part_set(PROXY_STATIC_VAR(type), ed, rp, rp->part->name); \
} \
\
end: \
proxy = PROXY_STATIC_VAR(type); \
__VA_ARGS__; \
if (!no_del_cb) efl_del_intercept_set(proxy, _ ## type ## _del_cb); \
return proxy; \
}
#ifdef DEBUG
#define PART_TABLE_GET(obj, part, ...) ({ \
Eo *__table = efl_part(obj, part); \
if (!__table || !efl_isa(__table, EFL_CANVAS_LAYOUT_PART_TABLE_CLASS)) \
{ \
ERR("No such table part '%s' in layout %p", part, obj); \
return __VA_ARGS__; \
} \
__table; })
#else
#define PART_TABLE_GET(obj, part, ...) ({ \
Eo *__table = efl_part(obj, part); \
if (!__table) return __VA_ARGS__; \
__table; })
#endif