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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/**
* Bonobo Unknown interface base implementation
*
* Authors:
* Miguel de Icaza (miguel@kernel.org)
* Michael Meeks (michael@helixcode.com)
*
* Copyright 1999,2001 Ximian, Inc.
*/
#ifndef _BONOBO_OBJECT_H_
#define _BONOBO_OBJECT_H_
#include <bonobo-activation/bonobo-activation.h>
#include <glib-object.h>
#include <bonobo/Bonobo.h>
#include <bonobo/bonobo-macros.h>
G_BEGIN_DECLS
#undef BONOBO_OBJECT_DEBUG
#define BONOBO_TYPE_OBJECT (bonobo_object_get_type ())
#define BONOBO_OBJECT_TYPE BONOBO_TYPE_OBJECT /* deprecated, you should use BONOBO_TYPE_OBJECT */
#define BONOBO_OBJECT(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), BONOBO_TYPE_OBJECT, BonoboObject))
#define BONOBO_OBJECT_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), BONOBO_TYPE_OBJECT, BonoboObjectClass))
#define BONOBO_IS_OBJECT(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), BONOBO_TYPE_OBJECT))
#define BONOBO_IS_OBJECT_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), BONOBO_TYPE_OBJECT))
#define BONOBO_OBJECT_GET_CLASS(o)(G_TYPE_INSTANCE_GET_CLASS ((o), BONOBO_TYPE_OBJECT, BonoboObjectClass))
#define BONOBO_OBJREF(o) (bonobo_object_corba_objref(BONOBO_OBJECT(o)))
typedef void (*BonoboObjectPOAFn) (PortableServer_Servant servant,
CORBA_Environment *ev);
typedef struct _BonoboObjectPrivate BonoboObjectPrivate;
typedef struct _BonoboObjectBag BonoboObjectBag;
typedef struct _BonoboObject BonoboObject;
typedef struct {
GObject base; /* pointer + guint + pointer */
BonoboObjectPrivate *priv; /* pointer */
guint object_signature; /* guint */
} BonoboObjectHeader;
#define BONOBO_OBJECT_HEADER_SIZE (sizeof (BonoboObjectHeader))
#define BONOBO_OBJECT_SIGNATURE 0xaef2
#define BONOBO_SERVANT_SIGNATURE 0x2fae
struct _BonoboObject {
/* A GObject and its signature of type BonoboObjectHeader */
GObject base; /* pointer + guint + pointer */
BonoboObjectPrivate *priv; /* pointer */
guint object_signature; /* guint */
/* A Servant and its signature - same memory layout */
POA_Bonobo_Unknown servant; /* pointer + pointer */
guint dummy; /* guint */
Bonobo_Unknown corba_objref; /* pointer */
guint servant_signature;
};
typedef struct {
GObjectClass parent_class;
/* signals. */
void (*destroy) (BonoboObject *object);
void (*system_exception) (BonoboObject *object,
CORBA_Object cobject,
CORBA_Environment *ev);
BonoboObjectPOAFn poa_init_fn;
BonoboObjectPOAFn poa_fini_fn;
POA_Bonobo_Unknown__vepv *vepv;
/* The offset of this class' additional epv */
int epv_struct_offset;
PortableServer_ServantBase__epv base_epv;
POA_Bonobo_Unknown__epv epv;
gpointer dummy[4];
} BonoboObjectClass;
GType bonobo_object_get_type (void) G_GNUC_CONST;
void bonobo_object_add_interface (BonoboObject *object,
BonoboObject *newobj);
BonoboObject *bonobo_object_query_local_interface (BonoboObject *object,
const char *repo_id);
Bonobo_Unknown bonobo_object_query_remote (Bonobo_Unknown unknown,
const char *repo_id,
CORBA_Environment *opt_ev);
Bonobo_Unknown bonobo_object_query_interface (BonoboObject *object,
const char *repo_id,
CORBA_Environment *opt_ev);
Bonobo_Unknown bonobo_object_corba_objref (BonoboObject *object);
void bonobo_object_set_poa (BonoboObject *object,
PortableServer_POA poa);
/*
* Gnome Object Life Cycle
*/
Bonobo_Unknown bonobo_object_dup_ref (Bonobo_Unknown object,
CORBA_Environment *opt_ev);
Bonobo_Unknown bonobo_object_release_unref (Bonobo_Unknown object,
CORBA_Environment *opt_ev);
gpointer bonobo_object_ref (gpointer obj);
void bonobo_object_idle_unref (gpointer obj);
gpointer bonobo_object_unref (gpointer obj);
void bonobo_object_set_immortal (BonoboObject *object,
gboolean immortal);
gpointer bonobo_object_trace_refs (gpointer obj,
const char *fn,
int line,
gboolean ref);
#ifdef BONOBO_OBJECT_DEBUG
# define bonobo_object_ref(o) bonobo_object_trace_refs ((o),G_GNUC_PRETTY_FUNCTION,__LINE__,TRUE);
# define bonobo_object_unref(o) bonobo_object_trace_refs ((o),G_GNUC_PRETTY_FUNCTION,__LINE__,FALSE);
#endif /* BONOBO_OBJECT_DEBUG */
void bonobo_object_dump_interfaces (BonoboObject *object);
/*
* Error checking
*/
void bonobo_object_check_env (BonoboObject *object,
CORBA_Object corba_object,
CORBA_Environment *ev);
#define BONOBO_OBJECT_CHECK(o,c,e) \
G_STMT_START { \
if ((e)->_major != CORBA_NO_EXCEPTION) \
bonobo_object_check_env(o,c,e); \
} G_STMT_END
/*
* Others
*/
gboolean bonobo_unknown_ping (Bonobo_Unknown object,
CORBA_Environment *opt_ev);
void bonobo_object_list_unref_all (GList **list);
void bonobo_object_slist_unref_all (GSList **list);
/*
* A weak-ref cache scheme
*/
#define BONOBO_COPY_FUNC(fn) ((BonoboCopyFunc)(fn))
typedef gpointer (*BonoboCopyFunc) (gconstpointer key);
BonoboObjectBag *bonobo_object_bag_new (GHashFunc hash_func,
GEqualFunc key_equal_func,
BonoboCopyFunc key_copy_func,
GDestroyNotify key_destroy_func);
BonoboObject *bonobo_object_bag_get_ref (BonoboObjectBag *bag,
gconstpointer key);
gboolean bonobo_object_bag_add_ref (BonoboObjectBag *bag,
gconstpointer key,
BonoboObject *object);
void bonobo_object_bag_remove (BonoboObjectBag *bag,
gconstpointer key);
void bonobo_object_bag_destroy (BonoboObjectBag *bag);
GPtrArray *bonobo_object_bag_list_ref (BonoboObjectBag *bag);
/* Detects the pointer type and returns the object reference - magic. */
BonoboObject *bonobo_object (gpointer p);
/* The same thing but faster - has a double evaluate */
#define bonobo_object_fast(o) \
((((BonoboObjectHeader *)(o))->object_signature == BONOBO_OBJECT_SIGNATURE) ? \
(BonoboObject *)(o) : (BonoboObject *)(((guchar *) (o)) - BONOBO_OBJECT_HEADER_SIZE))
/* Compat */
#define bonobo_object_from_servant(s) ((BonoboObject *)(((guchar *) (s)) - BONOBO_OBJECT_HEADER_SIZE))
#define bonobo_object_get_servant(o) ((PortableServer_Servant)((guchar *)(o) + BONOBO_OBJECT_HEADER_SIZE))
PortableServer_POA bonobo_object_get_poa (BonoboObject *object);
/* Use G_STRUCT_OFFSET to calc. epv_struct_offset */
GType bonobo_type_unique (GType parent_type,
BonoboObjectPOAFn init_fn,
BonoboObjectPOAFn fini_fn,
int epv_struct_offset,
const GTypeInfo *info,
const gchar *type_name);
gboolean bonobo_type_setup (GType type,
BonoboObjectPOAFn init_fn,
BonoboObjectPOAFn fini_fn,
int epv_struct_offset);
#define BONOBO_TYPE_FUNC_FULL(class_name, corba_name, parent, prefix) \
GType \
prefix##_get_type (void) \
{ \
GType ptype; \
static GType type = 0; \
\
if (type == 0) { \
static GTypeInfo info = { \
sizeof (class_name##Class), \
(GBaseInitFunc) NULL, \
(GBaseFinalizeFunc) NULL, \
(GClassInitFunc) prefix##_class_init, \
NULL, NULL, \
sizeof (class_name), \
0, \
(GInstanceInitFunc) prefix##_init \
}; \
ptype = (parent); \
type = bonobo_type_unique (ptype, \
POA_##corba_name##__init, POA_##corba_name##__fini, \
G_STRUCT_OFFSET (class_name##Class, epv), \
&info, #class_name); \
} \
return type; \
}
#define BONOBO_TYPE_FUNC(class_name, parent, prefix) \
GType \
prefix##_get_type (void) \
{ \
GType ptype; \
static GType type = 0; \
\
if (type == 0) { \
static GTypeInfo info = { \
sizeof (class_name##Class), \
(GBaseInitFunc) NULL, \
(GBaseFinalizeFunc) NULL, \
(GClassInitFunc) prefix##_class_init, \
NULL, NULL, \
sizeof (class_name), \
0, \
(GInstanceInitFunc) prefix##_init \
}; \
ptype = (parent); \
type = bonobo_type_unique (ptype, NULL, NULL, 0, \
&info, #class_name); \
} \
return type; \
}
G_END_DECLS
#endif