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/*
* nemo-info-provider.c - Interface for Nemo 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., 51 Franklin Street, Suite 500, MA 02110-1335, USA.
*
* Author: Dave Camp <dave@ximian.com>
*
*/
#include <config.h>
#include "nemo-info-provider.h"
#include <glib-object.h>
G_DEFINE_INTERFACE (NemoInfoProvider, nemo_info_provider, G_TYPE_OBJECT)
/**
* SECTION:nemo-info-provider
* @Title: NemoInfoProvider
* @Short_description: An interface to allow collection of additional file info.
*
* This interface can be used to collect additional file info, generally used
* together with a #NemoColumnProvider. It can be used as a synchronous or async
* interface.
*
* Additional, it can act in the background and notify Nemo when information has
* changed from some external source.
**/
static void
nemo_info_provider_default_init (NemoInfoProviderInterface *klass)
{
}
NemoOperationResult
nemo_info_provider_update_file_info (NemoInfoProvider *provider,
NemoFileInfo *file,
GClosure *update_complete,
NemoOperationHandle **handle)
{
g_return_val_if_fail (NEMO_IS_INFO_PROVIDER (provider),
NEMO_OPERATION_FAILED);
g_return_val_if_fail (NEMO_INFO_PROVIDER_GET_IFACE (provider)->update_file_info != NULL,
NEMO_OPERATION_FAILED);
g_return_val_if_fail (update_complete != NULL,
NEMO_OPERATION_FAILED);
g_return_val_if_fail (handle != NULL, NEMO_OPERATION_FAILED);
return NEMO_INFO_PROVIDER_GET_IFACE (provider)->update_file_info
(provider, file, update_complete, handle);
}
void
nemo_info_provider_cancel_update (NemoInfoProvider *provider,
NemoOperationHandle *handle)
{
g_return_if_fail (NEMO_IS_INFO_PROVIDER (provider));
g_return_if_fail (NEMO_INFO_PROVIDER_GET_IFACE (provider)->cancel_update != NULL);
g_return_if_fail (handle != NULL);
NEMO_INFO_PROVIDER_GET_IFACE (provider)->cancel_update (provider,
handle);
}
void
nemo_info_provider_update_complete_invoke (GClosure *update_complete,
NemoInfoProvider *provider,
NemoOperationHandle *handle,
NemoOperationResult result)
{
GValue args[3] = { { 0, } };
GValue return_val = { 0, };
g_return_if_fail (update_complete != NULL);
g_return_if_fail (NEMO_IS_INFO_PROVIDER (provider));
g_value_init (&args[0], NEMO_TYPE_INFO_PROVIDER);
g_value_init (&args[1], G_TYPE_POINTER);
g_value_init (&args[2], G_TYPE_INT);
g_value_set_object (&args[0], provider);
g_value_set_pointer (&args[1], handle);
g_value_set_int (&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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