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/*
* 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, see <http://www.gnu.org/licenses/>.
*
* Author: Dave Camp <dave@ximian.com>
*
*/
#include <config.h>
#include "nautilus-info-provider.h"
#include <glib-object.h>
/**
* SECTION:nautilus-info-provider
* @title: NautilusInfoProvider
* @short_description: Interface to provide additional information about files
* @include: libnautilus-extension/nautilus-column-provider.h
*
* #NautilusInfoProvider allows extension to provide additional information about
* files. When nautilus_info_provider_update_file_info() is called by the application,
* extensions will know that it's time to add extra information to the provided
* #NautilusFileInfo.
*/
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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