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/* vi:set et ai sw=2 sts=2 ts=2: */
/*-
* Copyright (c) 2009-2011 Jannis Pohlmann <jannis@xfce.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <gio/gio.h>
#include <exo/exo.h>
#include <thunar/thunar-gio-extensions.h>
#include <thunar/thunar-job.h>
#include <thunar/thunar-private.h>
#include <thunar/thunar-io-scan-directory.h>
GList *
thunar_io_scan_directory (ThunarJob *job,
GFile *file,
GFileQueryInfoFlags flags,
gboolean recursively,
gboolean unlinking,
gboolean return_thunar_files,
GError **error)
{
GFileEnumerator *enumerator;
GFileInfo *info;
GFileInfo *recent_info;
GFileType type;
GError *err = NULL;
GFile *child_file;
GList *child_files = NULL;
GList *files = NULL;
const gchar *namespace;
ThunarFile *thunar_file;
gboolean is_mounted;
GCancellable *cancellable = NULL;
_thunar_return_val_if_fail (G_IS_FILE (file), NULL);
_thunar_return_val_if_fail (error == NULL || *error == NULL, NULL);
/* abort if the job was cancelled */
if (job != NULL && exo_job_set_error_if_cancelled (EXO_JOB (job), error))
return NULL;
/* don't recurse when we are scanning prior to unlinking and the current
* file/dir is in the trash. In GVfs, only the top-level directories in
* the trash can be modified and deleted directly. See
* https://bugzilla.xfce.org/show_bug.cgi?id=7147
* for more information */
if (unlinking
&& thunar_g_file_is_trashed (file)
&& !thunar_g_file_is_root (file))
{
return NULL;
}
if (job != NULL)
cancellable = exo_job_get_cancellable (EXO_JOB (job));
/* query the file type */
type = g_file_query_file_type (file, flags, cancellable);
/* abort if the job was cancelled */
if (job != NULL && exo_job_set_error_if_cancelled (EXO_JOB (job), error))
return NULL;
/* ignore non-directory nodes */
if (type != G_FILE_TYPE_DIRECTORY)
return NULL;
/* determine the namespace */
if (return_thunar_files)
namespace = THUNARX_FILE_INFO_NAMESPACE;
else
namespace = G_FILE_ATTRIBUTE_STANDARD_TYPE ","
G_FILE_ATTRIBUTE_STANDARD_NAME ", recent::*";
/* try to read from the direectory */
enumerator = g_file_enumerate_children (file, namespace,
flags, cancellable, &err);
/* abort if there was an error or the job was cancelled */
if (err != NULL)
{
g_propagate_error (error, err);
return NULL;
}
/* iterate over children one by one */
while (job == NULL || !exo_job_is_cancelled (EXO_JOB (job)))
{
/* query info of the child */
info = g_file_enumerator_next_file (enumerator, cancellable, &err);
/* break when end of enumerator is reached */
if (G_UNLIKELY (info == NULL && err == NULL))
break;
is_mounted = TRUE;
if (err != NULL)
{
if (g_error_matches (err, G_IO_ERROR, G_IO_ERROR_NOT_MOUNTED))
{
is_mounted = FALSE;
g_clear_error (&err);
}
else
{
if (info != NULL)
g_warning ("Error while scanning file: %s : %s", g_file_info_get_display_name (info), err->message);
else
g_warning ("Error while scanning directory: %s : %s", g_file_get_uri (file), err->message);
if (g_error_matches(err, G_IO_ERROR, G_IO_ERROR_FAILED))
{
/* ignore any other IO error and continue processing the
* remaining files */
g_clear_error(&err);
continue;
}
else
{
/* break on other errors */
break;
}
}
}
/* check if we are scanning `recent:///` */
if (g_file_has_uri_scheme (file, "recent"))
{
/* create Gfile using the target URI */
child_file = g_file_new_for_uri (g_file_info_get_attribute_string (info, G_FILE_ATTRIBUTE_STANDARD_TARGET_URI));
/* create new file info using Gfile*/
recent_info = info;
info = g_file_query_info (child_file, namespace, flags, cancellable, &err);
if (G_UNLIKELY (info == NULL))
{
g_object_unref (recent_info);
break;
}
}
else
{
/* create GFile for the child */
child_file = g_file_get_child (file, g_file_info_get_name (info));
recent_info = NULL;
}
if (return_thunar_files)
{
/* Prepend the ThunarFile */
thunar_file = thunar_file_get_with_info (child_file, info, recent_info, !is_mounted);
files = thunar_g_list_prepend_deep (files, thunar_file);
g_object_unref (G_OBJECT (thunar_file));
}
else
{
/* Prepend the GFile */
files = thunar_g_list_prepend_deep (files, child_file);
}
/* if the child is a directory and we need to recurse ... just do so */
if (recursively
&& is_mounted
&& g_file_info_get_file_type (info) == G_FILE_TYPE_DIRECTORY)
{
child_files = thunar_io_scan_directory (job, child_file, flags, recursively,
unlinking, return_thunar_files, &err);
/* prepend children to the file list to make sure they're
* processed first (required for unlinking) */
files = g_list_concat (child_files, files);
}
g_object_unref (child_file);
g_object_unref (info);
}
/* release the enumerator */
g_object_unref (enumerator);
if (G_UNLIKELY (err != NULL))
{
g_propagate_error (error, err);
thunar_g_list_free_full (files);
return NULL;
}
else if (job != NULL && exo_job_set_error_if_cancelled (EXO_JOB (job), &err))
{
g_propagate_error (error, err);
thunar_g_list_free_full (files);
return NULL;
}
return files;
}
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