From 8cb514d6dd9497893a35a089d07a132d51263ee7 Mon Sep 17 00:00:00 2001
From: Peter Williams <peterw@src.gnome.org>
Date: Thu, 10 Aug 2000 17:30:50 +0000
Subject: Merge with camel-async.

svn path=/trunk/; revision=4687
---
 camel/camel-object.h | 138 ++++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 109 insertions(+), 29 deletions(-)

(limited to 'camel/camel-object.h')

diff --git a/camel/camel-object.h b/camel/camel-object.h
index 2c6b4d0d5c..fdcf7b4a15 100644
--- a/camel/camel-object.h
+++ b/camel/camel-object.h
@@ -26,40 +26,120 @@
 #ifndef CAMEL_OBJECT_H
 #define CAMEL_OBJECT_H 1
 
-
 #ifdef __cplusplus
-extern "C" {
+extern "C"
+{
 #pragma }
-#endif /* __cplusplus }*/
+#endif				/* __cplusplus } */
 
-#include <gtk/gtk.h>
+#include <stdlib.h>		/* size_t */
 #include <camel/camel-types.h>
-
-#define CAMEL_OBJECT_TYPE     (camel_object_get_type ())
-#define CAMEL_OBJECT(obj)     (GTK_CHECK_CAST((obj), CAMEL_OBJECT_TYPE, CamelObject))
-#define CAMEL_OBJECT_CLASS(k) (GTK_CHECK_CLASS_CAST ((k), CAMEL_OBJECT_TYPE, CamelObjectClass))
-#define CAMEL_IS_OBJECT(o)    (GTK_CHECK_TYPE((o), CAMEL_OBJECT_TYPE))
-
-
-struct _CamelObject
-{
-	GtkObject parent_object;
-
-};
-
-
-typedef struct {
-	GtkObjectClass parent_class;
-
-} CamelObjectClass;
-
-
-/* Standard Gtk function */
-GtkType camel_object_get_type (void);
-
+#include <glib.h>
+
+#ifdef G_DISABLE_CHECKS
+#define CAMEL_CHECK_CAST( obj, ctype, ptype )         ((ptype *) obj)
+#define CAMEL_CHECK_CLASS_CAST( class, ctype, ptype ) ((ptype *) class)
+#define CAMEL_CHECK_TYPE( obj, ctype )                (TRUE)
+#define CAMEL_CHECK_CLASS_TYPE( class, ctype )        (TRUE)
+#else
+#define CAMEL_CHECK_CAST( obj, ctype, ptype )         ((ptype *) camel_object_check_cast( (CamelObject *)(obj), (CamelType)(ctype) ))
+#define CAMEL_CHECK_CLASS_CAST( class, ctype, ptype ) ((ptype *) camel_object_class_check_cast( (CamelObjectClass *)(class), (CamelType)(ctype) ))
+#define CAMEL_CHECK_TYPE( obj, ctype )                (camel_object_is_of_type( (CamelObject *)(obj), (CamelType)(ctype) ))
+#define CAMEL_CHECK_CLASS_TYPE( class, ctype )        (camel_object_class_is_of_type( (CamelObjectClass *)(class), (CamelType)(ctype) ))
+#endif
+
+#define CAMEL_INVALID_TYPE ((CamelType)0)
+
+#define CAMEL_OBJECT_TYPE        (camel_object_get_type ())
+
+#define CAMEL_OBJECT(obj)        (CAMEL_CHECK_CAST((obj), CAMEL_OBJECT_TYPE, CamelObject))
+#define CAMEL_OBJECT_CLASS(k)    (CAMEL_CHECK_CLASS_CAST ((k), CAMEL_OBJECT_TYPE, CamelObjectClass))
+#define CAMEL_IS_OBJECT(o)       (CAMEL_CHECK_TYPE((o), CAMEL_OBJECT_TYPE))
+#define CAMEL_IS_OBJECT_CLASS(k) (CAMEL_CHECK_CLASS_TYPE((k), CAMEL_OBJECT_TYPE))
+
+#define CAMEL_OBJECT_GET_CLASS(o) ((CamelObjectClass *)(CAMEL_OBJECT(o))->classfuncs)
+#define CAMEL_OBJECT_GET_TYPE(o)  ((CamelType)(CAMEL_OBJECT(o))->s.type)
+
+	typedef guint32 CamelType;
+
+	typedef struct _CamelObjectShared
+	{
+		guint32 magic;
+		CamelType type;
+	}
+	CamelObjectShared;
+
+	typedef struct _CamelObjectClass
+	{
+		CamelObjectShared s;
+
+		GHashTable *event_to_preplist;
+	}
+	CamelObjectClass;
+
+	typedef struct _CamelObject
+	{
+		CamelObjectShared s;
+		guint32 ref_count:31;
+		guint32 in_event:1;
+		CamelObjectClass *classfuncs;
+		GHashTable *event_to_hooklist;
+	}
+	CamelObject;
+
+	typedef void (*CamelObjectClassInitFunc) (CamelObjectClass *);
+	typedef void (*CamelObjectClassFinalizeFunc) (CamelObjectClass *);
+	typedef void (*CamelObjectInitFunc) (CamelObject *);
+	typedef void (*CamelObjectFinalizeFunc) (CamelObject *);
+
+	typedef gboolean (*CamelObjectEventPrepFunc) (CamelObject *,
+						      gpointer);
+	typedef void (*CamelObjectEventHookFunc) (CamelObject *, gpointer,
+						  gpointer);
+
+/* The type system .... it's pretty simple..... */
+
+	void camel_type_init (void);
+	CamelType camel_type_register (CamelType parent, const gchar * name,
+				       size_t instance_size,
+				       size_t classfuncs_size,
+				       CamelObjectClassInitFunc class_init,
+				       CamelObjectClassFinalizeFunc
+				       class_finalize,
+				       CamelObjectInitFunc instance_init,
+				       CamelObjectFinalizeFunc
+				       instance_finalize);
+	CamelObjectClass *camel_type_get_global_classfuncs (CamelType type);
+	const gchar *camel_type_to_name (CamelType type);
+
+	CamelType camel_object_get_type (void);
+	CamelObject *camel_object_new (CamelType type);
+	void camel_object_ref (CamelObject * obj);
+	void camel_object_unref (CamelObject * obj);
+	CamelObject *camel_object_check_cast (CamelObject * obj,
+					      CamelType ctype);
+	CamelObjectClass *camel_object_class_check_cast (CamelObjectClass *
+							 class,
+							 CamelType ctype);
+	gboolean camel_object_is_of_type (CamelObject * obj, CamelType ctype);
+	gboolean camel_object_class_is_of_type (CamelObjectClass * class,
+						CamelType ctype);
+	gchar *camel_object_describe (CamelObject * obj);
+	void camel_object_class_declare_event (CamelObjectClass * class,
+					       const gchar * name,
+					       CamelObjectEventPrepFunc prep);
+	void camel_object_hook_event (CamelObject * obj, const gchar * name,
+				      CamelObjectEventHookFunc hook,
+				      gpointer user_data);
+	void camel_object_unhook_event (CamelObject * obj, const gchar * name,
+					CamelObjectEventHookFunc hook,
+					gpointer user_data);
+	void camel_object_trigger_event (CamelObject * obj,
+					 const gchar * name,
+					 gpointer event_data);
 
 #ifdef __cplusplus
 }
-#endif /* __cplusplus */
+#endif				/* __cplusplus */
 
-#endif /* CAMEL_OBJECT_H */
+#endif				/* CAMEL_OBJECT_H */
-- 
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