/* closure.c
 *
 * $Id$
 *
 * Copyright 1990, 1991, 1992, 1993, 1994, 1995, Oliver Laumann, Berlin
 * Copyright 2002, 2003 Sam Hocevar <sam@hocevar.net>, Paris
 *
 * This software was derived from Elk 1.2, which was Copyright 1987, 1988,
 * 1989, Nixdorf Computer AG and TELES GmbH, Berlin (Elk 1.2 has been written
 * by Oliver Laumann for TELES Telematic Services, Berlin, in a joint project
 * between TELES and Nixdorf Microprocessor Engineering, Berlin).
 *
 * Oliver Laumann, TELES GmbH, Nixdorf Computer AG and Sam Hocevar, as co-
 * owners or individual owners of copyright in this software, grant to any
 * person or company a worldwide, royalty free, license to
 *
 *    i) copy this software,
 *   ii) prepare derivative works based on this software,
 *  iii) distribute copies of this software or derivative works,
 *   iv) perform this software, or
 *    v) display this software,
 *
 * provided that this notice is not removed and that neither Oliver Laumann
 * nor Teles nor Nixdorf are deemed to have made any representations as to
 * the suitability of this software for any purpose nor are held responsible
 * for any defects of this software.
 *
 * THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
 */

#include "gobject.h"

typedef struct _ElkClosure ElkClosure;
struct _ElkClosure {
    GClosure closure;
    Object callback;
};

static void elk_closure_finalize (gpointer notify_data, GClosure *closure)
{
}

static void elk_closure_marshal (GClosure *closure, GValue *return_value,
                                 guint n_param_values,
                                 const GValue *param_values,
                                 gpointer invocation_hint,
                                 gpointer marshal_data) {
    Funcall (((ElkClosure *)closure)->callback, Null, 0);
    if (return_value)
        g_value_init (return_value, G_TYPE_NONE);
}

GClosure *elk_closure_new (Object callback) {
    GClosure *closure = g_closure_new_simple (sizeof (ElkClosure), NULL);

    ((ElkClosure *)closure)->callback = callback;
    g_closure_add_finalize_notifier (closure, NULL, elk_closure_finalize);
    g_closure_set_marshal (closure, elk_closure_marshal);
    return closure;
}