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/*
This file is part of GNUnet
Copyright (C) 2005, 2006, 2010 GNUnet e.V.
GNUnet 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 3, or (at your
option) any later version.
GNUnet 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 GNUnet; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
/**
* @file src/fs/gnunet-fs-gtk_open-directory.c
* @author Christian Grothoff
*/
#include "gnunet-fs-gtk_common.h"
#include "gnunet-fs-gtk_event-handler.h"
/**
* Closure for 'add_child' function.
*/
struct AddChildContext
{
/**
* Name of the directory file.
*/
const char *filename;
/**
* Reference to the directorie's search result.
*/
struct SearchResult *sr;
/**
* Anonymity level to use for probes in the directory.
*/
uint32_t anonymity;
};
/**
* Function used to process entries in a directory. Adds each
* entry to our tab.
*
* @param cls closure, our 'struct AddChildContext*'
* @param filename name of the file in the directory
* @param uri URI of the file
* @param meta metadata for the file; metadata for
* the directory if everything else is NULL/zero
* @param length length of the available data for the file
* (of type size_t since data must certainly fit
* into memory; if files are larger than size_t
* permits, then they will certainly not be
* embedded with the directory itself).
* @param data data available for the file (@a length bytes)
*/
static void
add_child (void *cls,
const char *filename,
const struct GNUNET_FS_Uri *uri,
const struct GNUNET_FS_MetaData *meta,
size_t length,
const void *data)
{
struct AddChildContext *acc = cls;
if (NULL == uri)
{
/* directory meta data itself, create parent entry */
struct GNUNET_FS_MetaData *dmeta;
dmeta = GNUNET_FS_meta_data_duplicate (meta);
GNUNET_FS_meta_data_insert (dmeta,
"<user>",
EXTRACTOR_METATYPE_GNUNET_ORIGINAL_FILENAME,
EXTRACTOR_METAFORMAT_UTF8,
"text/plain",
acc->filename,
strlen (acc->filename) + 1);
acc->sr = GNUNET_GTK_add_to_uri_tab (acc->anonymity, dmeta, NULL);
GNUNET_FS_meta_data_destroy (dmeta);
return;
}
if (NULL == acc->sr)
{
GNUNET_break (0);
return;
}
GNUNET_assert (NULL != GNUNET_GTK_add_search_result (acc->sr->tab,
acc->anonymity,
acc->sr->rr,
uri,
meta,
NULL,
0));
}
/**
* Function called from the open-directory dialog upon completion.
*
* @param dialog the pseudonym selection dialog
* @param response_id response code from the dialog
* @param user_data the builder of the dialog
*/
void
GNUNET_GTK_open_directory_dialog_response_cb (GtkDialog *dialog,
gint response_id,
gpointer user_data)
{
GtkBuilder *builder = GTK_BUILDER (user_data);
char *filename;
struct AddChildContext acc;
if (GTK_RESPONSE_OK != response_id)
{
gtk_widget_destroy (GTK_WIDGET (dialog));
g_object_unref (G_OBJECT (builder));
return;
}
filename =
GNUNET_GTK_filechooser_get_filename_utf8 (GTK_FILE_CHOOSER (dialog));
gtk_widget_destroy (GTK_WIDGET (dialog));
g_object_unref (G_OBJECT (builder));
acc.filename = filename;
acc.sr = NULL;
acc.anonymity =
1; // FIXME, might want to add this to dialog to allow user to set it.
GNUNET_FS_GTK_mmap_and_scan (filename, &add_child, &acc);
GNUNET_free (filename);
}
/**
* User selected "Open directory" in menu. Display dialog, open
* file and then display a new tab with its contents.
*
* @param dummy the menu entry
* @param data the main dialog builder, unused
*/
void
GNUNET_GTK_main_menu_file_open_gnunet_directory_activate_cb (GtkWidget *dummy,
gpointer data)
{
GtkWidget *ad;
GtkBuilder *builder;
GtkWidget *toplevel;
GtkFileFilter *ff;
builder =
GNUNET_GTK_get_new_builder ("gnunet_fs_gtk_open_directory_dialog.glade",
NULL);
if (NULL == builder)
{
GNUNET_break (0);
return;
}
ad = GTK_WIDGET (
gtk_builder_get_object (builder, "GNUNET_GTK_open_directory_dialog"));
ff = GTK_FILE_FILTER (
gtk_builder_get_object (builder, "gnunet_directory_filter"));
/* FIXME-FEATURE: some day, write a custom file filter for gnunet-directories... */
gtk_file_filter_add_pattern (ff, "*" GNUNET_FS_DIRECTORY_EXT);
toplevel = gtk_widget_get_toplevel (dummy);
if (GTK_IS_WINDOW (toplevel))
gtk_window_set_transient_for (GTK_WINDOW (ad), GTK_WINDOW (toplevel));
gtk_window_present (GTK_WINDOW (ad));
}
/* end of gnunet-fs-gtk_open-directory.c */
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