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/*
This file is part of GNUnet.
Copyright (C) 2013-2014, 2018 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/conversation/gnunet-conversation-gtk_zones.c
* @brief manages the widget which shows the zones (to select
* which one will be used to populate the address book)
* @author yids
* @author hark
* @author Christian Grothoff
*/
#include "gnunet-conversation-gtk.h"
#include "gnunet-conversation-gtk_zones.h"
/**
* Columns in the #zone_liststore.
*/
enum ZoneListstoreValues
{
/**
* Human-readable name of the ego.
*/
ZONE_LS_NAME = 0,
/**
* Handel to the ego (of type `struct GNUNET_IDENTITY_Ego *ego`).
*/
ZONE_LS_EGO = 1
};
/**
* Handle to identity service.
*/
static struct GNUNET_IDENTITY_Handle *id;
/**
* list of zones
*/
static GtkListStore *zone_liststore;
/**
* Ego to select by default.
*/
static char *default_ego;
/**
* Obtain the currently selected zone.
*
* @param name[out] set to the name of the ego
* @return NULL if no ego is selected
*/
struct GNUNET_IDENTITY_Ego *
GCG_ZONES_get_selected_zone (const char **name)
{
struct GNUNET_IDENTITY_Ego *ego;
GtkTreeIter iter;
GtkComboBox *cb;
cb = GTK_COMBO_BOX (GCG_get_main_window_object
("gnunet_conversation_gtk_contacts_zone_combobox"));
if (! gtk_combo_box_get_active_iter (cb,
&iter))
{
*name = NULL;
return NULL;
}
gtk_tree_model_get (GTK_TREE_MODEL (zone_liststore),
&iter,
ZONE_LS_EGO, &ego,
ZONE_LS_NAME, name,
-1);
return ego;
}
/**
* Function called by identity service with information about zones.
*
* @param cls NULL
* @param ego ego handle for the zone
* @param ctx unused
* @param name name of the zone
*/
static void
identity_cb (void *cls,
struct GNUNET_IDENTITY_Ego *ego,
void **ctx,
const char *name)
{
GtkTreeIter iter;
GtkTreeIter iter2;
GtkTreeRowReference *rr;
GtkTreePath *path;
GtkComboBox *cb;
if (NULL == ctx)
{
/* end of initial iteration, ignore */
return;
}
rr = *ctx;
if (NULL == rr)
{
/* new identity */
GNUNET_assert (NULL != name);
gtk_list_store_insert_with_values (zone_liststore,
&iter, -1,
ZONE_LS_NAME, name,
ZONE_LS_EGO, ego,
-1);
cb = GTK_COMBO_BOX (GCG_get_main_window_object
("gnunet_conversation_gtk_contacts_zone_combobox"));
if ( (! gtk_combo_box_get_active_iter (cb,
&iter2)) &&
( (NULL == default_ego) ||
(0 == strcmp (name,
default_ego)) ) )
{
/* found an ego (or the ego) that we were supposed to use by
default, select it! */
gtk_combo_box_set_active_iter (cb,
&iter);
}
path = gtk_tree_model_get_path (GTK_TREE_MODEL (zone_liststore),
&iter);
rr = gtk_tree_row_reference_new (GTK_TREE_MODEL (zone_liststore),
path);
gtk_tree_path_free (path);
*ctx = rr;
return;
}
/* existing ego, locate and execute rename/delete */
path = gtk_tree_row_reference_get_path (rr);
GNUNET_assert (gtk_tree_model_get_iter (GTK_TREE_MODEL (zone_liststore),
&iter,
path));
gtk_tree_path_free (path);
if (NULL == name)
{
/* deletion operation */
gtk_tree_row_reference_free (rr);
*ctx = NULL;
gtk_list_store_remove (zone_liststore,
&iter);
return;
}
/* rename operation */
gtk_list_store_set (zone_liststore,
&iter,
ZONE_LS_NAME, &name,
-1);
}
/**
* Initialize the zones list
*
* @param ego_name default ego to pre-select
*/
void
GCG_ZONES_init (const char *ego_name)
{
if (NULL != ego_name)
default_ego = GNUNET_strdup (ego_name);
zone_liststore
= GTK_LIST_STORE (GCG_get_main_window_object
("gnunet_conversation_gtk_contacts_zone_liststore"));
id = GNUNET_IDENTITY_connect (GCG_get_configuration (),
&identity_cb,
NULL);
}
/**
* Shutdown the zone list
*/
void
GCG_ZONES_shutdown ()
{
if (NULL != id)
{
GNUNET_IDENTITY_disconnect (id);
id = NULL;
}
if (NULL != default_ego)
{
GNUNET_free (default_ego);
default_ego = NULL;
}
}
/* end of gnunet-conversation-gtk_zones.c */
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