source: trunk/third/bonobo/bonobo/bonobo-persist-file.h @ 15579

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * Bonobo PersistFile
 *
 * Author:
 *   Matt Loper (matt@gnome-support.com)
 *
 * Copyright 1999, 2000 Helix Code, Inc.
 */

#ifndef _BONOBO_PERSIST_FILE_H_
#define _BONOBO_PERSIST_FILE_H_

#include <bonobo/bonobo-persist.h>

BEGIN_GNOME_DECLS

#define BONOBO_PERSIST_FILE_TYPE (bonobo_persist_file_get_type ())
#define BONOBO_PERSIST_FILE(o)   (GTK_CHECK_CAST ((o), BONOBO_PERSIST_FILE_TYPE, BonoboPersistFile))
#define BONOBO_PERSIST_FILE_CLASS(k)    (GTK_CHECK_CLASS_CAST((k), BONOBO_PERSIST_FILE_TYPE, BonoboPersistFileClass))
#define BONOBO_IS_PERSIST_FILE(o)       (GTK_CHECK_TYPE ((o), BONOBO_PERSIST_FILE_TYPE))
#define BONOBO_IS_PERSIST_FILE_CLASS(k) (GTK_CHECK_CLASS_TYPE ((k), BONOBO_PERSIST_FILE_TYPE))

typedef struct _BonoboPersistFilePrivate BonoboPersistFilePrivate;
typedef struct _BonoboPersistFile        BonoboPersistFile;

typedef int (*BonoboPersistFileIOFn) (BonoboPersistFile *pf,
                                      const CORBA_char  *filename,
                                      CORBA_Environment *ev,
                                      void              *closure);

struct _BonoboPersistFile {
        BonoboPersist persist;

        gboolean     is_dirty;
        char *filename;

        /*
         * For the sample routines, NULL if we use the ::save and ::load
         * methods from the class
         */
        BonoboPersistFileIOFn  save_fn;
        BonoboPersistFileIOFn  load_fn;
        void *closure;

        BonoboPersistFilePrivate *priv;
};

typedef struct {
        BonoboPersistClass parent_class;

        POA_Bonobo_PersistFile__epv epv;

        /* methods */
        int   (*load)             (BonoboPersistFile *ps,
                                   const CORBA_char  *filename,
                                   CORBA_Environment *ev);

        int   (*save)             (BonoboPersistFile *ps,
                                   const CORBA_char  *filename,
                                   CORBA_Environment *ev);

        char *(*get_current_file) (BonoboPersistFile *ps,
                                   CORBA_Environment *ev);

} BonoboPersistFileClass;

GtkType             bonobo_persist_file_get_type  (void);
void                bonobo_persist_file_set_dirty (BonoboPersistFile   *ps,
                                                   gboolean             dirty);

BonoboPersistFile *bonobo_persist_file_new       (BonoboPersistFileIOFn load_fn,
                                                  BonoboPersistFileIOFn save_fn,
                                                  void                 *closure);

BonoboPersistFile *bonobo_persist_file_construct (BonoboPersistFile    *ps,
                                                  BonoboPersistFileIOFn load_fn,
                                                  BonoboPersistFileIOFn save_fn,
                                                  void                 *closure);

END_GNOME_DECLS

#endif /* _BONOBO_PERSIST_FILE_H_ */