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#ifndef _EVAS_MODULE_H
#define _EVAS_MODULE_H
/* the module api version */
#define EVAS_MODULE_API_VERSION 2
/* the module types */
typedef enum _Evas_Module_Type
{
EVAS_MODULE_TYPE_ENGINE = 0,
EVAS_MODULE_TYPE_IMAGE_LOADER = 1,
EVAS_MODULE_TYPE_IMAGE_SAVER = 2,
EVAS_MODULE_TYPE_OBJECT = 3
} Evas_Module_Type;
typedef struct _Evas_Module_Api Evas_Module_Api;
typedef struct _Evas_Module Evas_Module;
typedef struct _Evas_Module_Path Evas_Module_Path;
typedef struct _Evas_Module_Engine Evas_Module_Engine;
typedef struct _Evas_Module_Public Evas_Module_Public;
/* the module api structure, all modules should define this struct */
struct _Evas_Module_Api
{
int version;
const char *name;
const char *author;
struct
{
int (*open)(Evas_Module *);
void (*close)(Evas_Module *);
} func;
};
/* the module structure */
struct _Evas_Module
{
const Evas_Module_Api *definition;
void *functions; /* this are the functions exported by the module */
int id_engine; /* some internal data for the module i.e the id for engines */
int ref; /* how many refs */
int last_used; /* the cycle count when it was last used */
LK(lock);
unsigned char loaded : 1;
};
/* the internals of the module api use this struct to reference a path with a module type
* instead of deduce the type from the path.
* */
struct _Evas_Module_Path
{
Evas_Module_Type type;
char *path;
};
void evas_module_paths_init (void);
void evas_module_init (void);
Evas_Module *evas_module_find_type (Evas_Module_Type type, const char *name);
Evas_Module *evas_module_engine_get(int render_method);
void evas_module_foreach_image_loader(Eina_Hash_Foreach cb, const void *fdata);
int evas_module_load (Evas_Module *em);
void evas_module_unload (Evas_Module *em);
void evas_module_ref (Evas_Module *em);
void evas_module_unref (Evas_Module *em);
void evas_module_use (Evas_Module *em);
void evas_module_clean (void);
void evas_module_shutdown (void);
EAPI Eina_Bool evas_module_register (const Evas_Module_Api *module, Evas_Module_Type type);
EAPI Eina_Bool evas_module_unregister (const Evas_Module_Api *module, Evas_Module_Type type);
#define EVAS_MODULE_DEFINE(Type, Tn, Name) \
Eina_Bool evas_##Tn##_##Name##_init(void) \
{ \
return evas_module_register(&evas_modapi, Type); \
} \
void evas_##Tn##_##Name##_shutdown(void) \
{ \
evas_module_unregister(&evas_modapi, Type); \
}
#define EVAS_EINA_MODULE_DEFINE(Tn, Name) \
EINA_MODULE_INIT(evas_##Tn##_##Name##_init); \
EINA_MODULE_SHUTDOWN(evas_##Tn##_##Name##_shutdown);
#endif /* _EVAS_MODULE_H */
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