From dd7595a3475407a7fa96a97393bae8c5220e8762 Mon Sep 17 00:00:00 2001
From: David Walter Seikel
Date: Wed, 4 Jan 2012 18:41:13 +1000
Subject: Add the base Enlightenment Foundation Libraries - eina, eet, evas,
 ecore, embryo, and edje.

Note that embryo wont be used, but I'm not sure yet if you can build edje without it.
---
 libraries/evas/src/lib/file/evas_module.h | 94 +++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 libraries/evas/src/lib/file/evas_module.h

(limited to 'libraries/evas/src/lib/file/evas_module.h')

diff --git a/libraries/evas/src/lib/file/evas_module.h b/libraries/evas/src/lib/file/evas_module.h
new file mode 100644
index 0000000..8699b6b
--- /dev/null
+++ b/libraries/evas/src/lib/file/evas_module.h
@@ -0,0 +1,94 @@
+#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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