nautilus/libnautilus-extension/nautilus-column-provider.c

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/*
* nautilus-column-provider.c - Interface for Nautilus extensions
* that provide column specifications.
*
* 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-column-provider.h"
#include <glib-object.h>
static void
nautilus_column_provider_base_init (gpointer g_class)
{
}
GType
nautilus_column_provider_get_type (void)
{
static GType type = 0;
if (!type) {
static const GTypeInfo info = {
sizeof (NautilusColumnProviderIface),
nautilus_column_provider_base_init,
NULL,
NULL,
NULL,
NULL,
0,
0,
NULL
};
type = g_type_register_static (G_TYPE_INTERFACE,
"NautilusColumnProvider",
&info, 0);
g_type_interface_add_prerequisite (type, G_TYPE_OBJECT);
}
return type;
}
GList *
nautilus_column_provider_get_columns (NautilusColumnProvider *provider)
{
g_return_val_if_fail (NAUTILUS_IS_COLUMN_PROVIDER (provider), NULL);
g_return_val_if_fail (NAUTILUS_COLUMN_PROVIDER_GET_IFACE (provider)->get_columns != NULL, NULL);
return NAUTILUS_COLUMN_PROVIDER_GET_IFACE (provider)->get_columns
(provider);
}