/* GIO - GLib Input, Output and Streaming Library
 * 
 * Copyright (C) 2006-2007 Red Hat, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General
 * Public License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * Author: Alexander Larsson <alexl@redhat.com>
 */

#ifndef __G_SIMPLE_ASYNC_RESULT_H__
#define __G_SIMPLE_ASYNC_RESULT_H__

#include <gio/gasyncresult.h>
#include <gio/gcancellable.h>

G_BEGIN_DECLS

#define G_TYPE_SIMPLE_ASYNC_RESULT         (g_simple_async_result_get_type ())
#define G_SIMPLE_ASYNC_RESULT(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_SIMPLE_ASYNC_RESULT, GSimpleAsyncResult))
#define G_SIMPLE_ASYNC_RESULT_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_SIMPLE_ASYNC_RESULT, GSimpleAsyncResultClass))
#define G_IS_SIMPLE_ASYNC_RESULT(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_SIMPLE_ASYNC_RESULT))
#define G_IS_SIMPLE_ASYNC_RESULT_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_SIMPLE_ASYNC_RESULT))
#define G_SIMPLE_ASYNC_RESULT_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_SIMPLE_ASYNC_RESULT, GSimpleAsyncResultClass))

/**
 * GSimpleAsyncResult:
 * 
 * A simple implementation of #GAsyncResult.
 **/
typedef struct _GSimpleAsyncResult        GSimpleAsyncResult;
typedef struct _GSimpleAsyncResultClass   GSimpleAsyncResultClass;

/**
 * GSimpleAsyncThreadFunc:
 * @res: a #GSimpleAsyncResult. 
 * @object: a #GObject.
 * @cancellable: optional #GCancellable object, %NULL to ignore.
 * 
 * Simple thread function that runs an asynchronous operation and 
 * checks for cancellation.
 **/
typedef void (*GSimpleAsyncThreadFunc) (GSimpleAsyncResult *res,
					GObject *object,
					GCancellable *cancellable);


GType g_simple_async_result_get_type (void) G_GNUC_CONST;
  
GSimpleAsyncResult *g_simple_async_result_new              (GObject                 *source_object,
							    GAsyncReadyCallback      callback,
							    gpointer                 user_data,
							    gpointer                 source_tag);
GSimpleAsyncResult *g_simple_async_result_new_error        (GObject                 *source_object,
							    GAsyncReadyCallback      callback,
							    gpointer                 user_data,
							    GQuark                   domain,
							    gint                     code,
							    const char              *format,
							    ...) G_GNUC_PRINTF (6, 7);
GSimpleAsyncResult *g_simple_async_result_new_from_error   (GObject                 *source_object,
							    GAsyncReadyCallback      callback,
							    gpointer                 user_data,
							    GError                  *error);

void                g_simple_async_result_set_op_res_gpointer (GSimpleAsyncResult      *simple,
                                                               gpointer                 op_res,
                                                               GDestroyNotify           destroy_op_res);
gpointer            g_simple_async_result_get_op_res_gpointer (GSimpleAsyncResult      *simple);

void                g_simple_async_result_set_op_res_gssize   (GSimpleAsyncResult      *simple,
                                                               gssize                   op_res);
gssize              g_simple_async_result_get_op_res_gssize   (GSimpleAsyncResult      *simple);

void                g_simple_async_result_set_op_res_gboolean (GSimpleAsyncResult      *simple,
                                                               gboolean                 op_res);
gboolean            g_simple_async_result_get_op_res_gboolean (GSimpleAsyncResult      *simple);



gpointer            g_simple_async_result_get_source_tag   (GSimpleAsyncResult      *simple);
void                g_simple_async_result_set_handle_cancellation (GSimpleAsyncResult      *simple,
								   gboolean          handle_cancellation);
void                g_simple_async_result_complete         (GSimpleAsyncResult      *simple);
void                g_simple_async_result_complete_in_idle (GSimpleAsyncResult      *simple);
void                g_simple_async_result_run_in_thread    (GSimpleAsyncResult      *simple,
							    GSimpleAsyncThreadFunc   func,
							    int                      io_priority,
							    GCancellable            *cancellable);
void                g_simple_async_result_set_from_error   (GSimpleAsyncResult      *simple,
							    GError                  *error);
gboolean            g_simple_async_result_propagate_error  (GSimpleAsyncResult      *simple,
							    GError                 **dest);
void                g_simple_async_result_set_error        (GSimpleAsyncResult      *simple,
							    GQuark                   domain,
							    gint                     code,
							    const char              *format,
							    ...) G_GNUC_PRINTF (4, 5);
void                g_simple_async_result_set_error_va     (GSimpleAsyncResult      *simple,
							    GQuark                   domain,
							    gint                     code,
							    const char              *format,
							    va_list                  args);

void g_simple_async_report_error_in_idle (GObject *object,
					  GAsyncReadyCallback callback,
					  gpointer user_data,
					  GQuark         domain,
					  gint           code,
					  const char    *format,
					  ...);

G_END_DECLS


  
#endif /* __G_SIMPLE_ASYNC_RESULT_H__ */