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/*
This file is part of GNUnet
(C) 2005, 2006, 2010 Christian Grothoff (and other contributing authors)
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 2, 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/**
* @file src/main_window_open_directory.c
* @author Christian Grothoff
*/
#include "common.h"
#include "fs_event_handler.h"
struct AddChildContext
{
const char *filename;
GtkTreeStore *ts;
struct SearchTab *tab;
struct SearchResult *par;
GtkTreeIter iter;
};
/**
* Function used to process entries in a directory.
*
* @param cls closure, our 'struct AddChildContext*'
* @param filename name of the file in the directory
* @param uri URI of the file
* @param metadata 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 (length bytes)
*/
static void
add_child (void *cls,
const char *filename,
const struct GNUNET_FS_Uri *uri,
const struct GNUNET_CONTAINER_MetaData *meta,
size_t length,
const void *data)
{
struct AddChildContext *acc = cls;
struct GNUNET_CONTAINER_MetaData *dmeta;
GtkTreeIter iter;
if (uri == NULL)
{
/* directory meta data itself */
dmeta = GNUNET_CONTAINER_meta_data_duplicate (meta);
GNUNET_CONTAINER_meta_data_insert (dmeta,
"<user>",
EXTRACTOR_METATYPE_FILENAME,
EXTRACTOR_METAFORMAT_C_STRING,
"text/plain",
acc->filename,
strlen (acc->filename) + 1);
acc->tab = GNUNET_GTK_add_to_uri_tab (&acc->iter,
&acc->par,
dmeta,
NULL);
acc->ts = acc->tab->ts;
GNUNET_CONTAINER_meta_data_destroy (dmeta);
return;
}
if (acc->ts == NULL)
return;
GNUNET_GTK_add_search_result (acc->tab,
&iter,
acc->par,
uri,
meta,
NULL,
0);
}
/**
* User selected "Open directory" in menu. Display dialog, open
* file and then display a new tab with its contents.
*/
void
GNUNET_GTK_main_menu_file_open_gnunet_directory_activate_cb (GtkWidget * dummy,
gpointer data)
{
struct AddChildContext acc;
GtkWidget *ad;
GtkBuilder *builder;
char *filename;
struct GNUNET_DISK_FileHandle *fh;
struct GNUNET_DISK_MapHandle *mh;
GtkFileFilter *ff;
uint64_t fsize;
void * ddata;
builder = GNUNET_GTK_get_new_builder ("open_directory_dialog.glade");
if (builder == NULL)
{
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: some day, write a custom file filter for gnunet-directories... */
gtk_file_filter_add_pattern (ff, "*" GNUNET_FS_DIRECTORY_EXT);
if (GTK_RESPONSE_OK != gtk_dialog_run (GTK_DIALOG (ad)))
{
gtk_widget_destroy (ad);
g_object_unref (G_OBJECT (builder));
return;
}
filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER(ad));
gtk_widget_destroy (ad);
g_object_unref (G_OBJECT (builder));
if (GNUNET_OK !=
GNUNET_DISK_file_size (filename,
&fsize,
GNUNET_YES))
{
GNUNET_break (0);
g_free (filename);
return;
}
fh = GNUNET_DISK_file_open (filename,
GNUNET_DISK_OPEN_READ,
GNUNET_DISK_PERM_NONE);
if (fh == NULL)
{
GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR, "open", filename);
g_free (filename);
return;
}
ddata = GNUNET_DISK_file_map (fh,
&mh,
GNUNET_DISK_MAP_TYPE_READ,
(size_t) fsize);
if (ddata == NULL)
{
GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR, "mmap", filename);
GNUNET_break (GNUNET_OK ==
GNUNET_DISK_file_close (fh));
g_free (filename);
return;
}
acc.filename = filename;
acc.ts = NULL;
if (GNUNET_SYSERR ==
GNUNET_FS_directory_list_contents ((size_t) fsize,
ddata,
0,
&add_child,
&acc))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_("Selected file `%s' is not a GNUnet directory!\n"),
filename);
}
GNUNET_break (GNUNET_OK ==
GNUNET_DISK_file_unmap (mh));
GNUNET_break (GNUNET_OK ==
GNUNET_DISK_file_close (fh));
g_free (filename);
}
/* end of main_window_open_directory.c */
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