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Sourcecode: nautilus version File versions

nautilus-info-provider.c

/*
 *  nautilus-info-provider.c - Interface for Nautilus extensions that 
 *                             provide info about files.
 *
 *  Copyright (C) 2003 Novell, Inc.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library 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
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public
 *  License along with this library; if not, write to the Free
 *  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 * 
 *  Author:  Dave Camp <dave@ximian.com>
 *
 */

#include <config.h>
#include "nautilus-info-provider.h"

#include <glib-object.h>

static void
nautilus_info_provider_base_init (gpointer g_class)
{
}

GType                   
nautilus_info_provider_get_type (void)
{
      static GType type = 0;

      if (!type) {
            const GTypeInfo info = {
                  sizeof (NautilusInfoProviderIface),
                  nautilus_info_provider_base_init,
                  NULL,
                  NULL,
                  NULL,
                  NULL,
                  0,
                  0,
                  NULL
            };
            
            type = g_type_register_static (G_TYPE_INTERFACE, 
                                     "NautilusInfoProvider",
                                     &info, 0);
            g_type_interface_add_prerequisite (type, G_TYPE_OBJECT);
      }

      return type;
}

NautilusOperationResult 
nautilus_info_provider_update_file_info (NautilusInfoProvider *provider,
                               NautilusFileInfo *file,
                               GClosure *update_complete,
                               NautilusOperationHandle **handle)
{
      g_return_val_if_fail (NAUTILUS_IS_INFO_PROVIDER (provider),
                        NAUTILUS_OPERATION_FAILED);
      g_return_val_if_fail (NAUTILUS_INFO_PROVIDER_GET_IFACE (provider)->update_file_info != NULL,
                        NAUTILUS_OPERATION_FAILED);
      g_return_val_if_fail (update_complete != NULL, 
                        NAUTILUS_OPERATION_FAILED);
      g_return_val_if_fail (handle != NULL, NAUTILUS_OPERATION_FAILED);

      return NAUTILUS_INFO_PROVIDER_GET_IFACE (provider)->update_file_info 
            (provider, file, update_complete, handle);
}

void
nautilus_info_provider_cancel_update (NautilusInfoProvider *provider,
                              NautilusOperationHandle *handle)
{
      g_return_if_fail (NAUTILUS_IS_INFO_PROVIDER (provider));
      g_return_if_fail (NAUTILUS_INFO_PROVIDER_GET_IFACE (provider)->cancel_update != NULL);
      g_return_if_fail (NAUTILUS_INFO_PROVIDER_GET_IFACE (provider)->cancel_update != NULL);
      g_return_if_fail (handle != NULL);

      NAUTILUS_INFO_PROVIDER_GET_IFACE (provider)->cancel_update (provider,
                                                    handle);
}

void
nautilus_info_provider_update_complete_invoke (GClosure *update_complete,
                                     NautilusInfoProvider *provider,
                                     NautilusOperationHandle *handle,
                                     NautilusOperationResult result)
{
      GValue args[3] = { { 0, } };
      GValue return_val = { 0, };
      
      g_return_if_fail (update_complete != NULL);
      g_return_if_fail (NAUTILUS_IS_INFO_PROVIDER (provider));

      g_value_init (&args[0], NAUTILUS_TYPE_INFO_PROVIDER);
      g_value_init (&args[1], G_TYPE_POINTER);
      g_value_init (&args[2], NAUTILUS_TYPE_OPERATION_RESULT);

      g_value_set_object (&args[0], provider);
      g_value_set_pointer (&args[1], handle);
      g_value_set_enum (&args[2], result);

      g_closure_invoke (update_complete, &return_val, 3, args, NULL);

      g_value_unset (&args[0]);
      g_value_unset (&args[1]);
      g_value_unset (&args[2]);
}

                                     

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