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/*
This file is part of anastasis-gtk.
Copyright (C) 2020 Anastasis SARL
Anastasis 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.
Anastasis 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 Anastasis; 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/anastasis/anastasis-gtk_handle-identity-changed.c
* @brief
* @author Christian Grothoff
* @author Dennis Neufeld
*/
#include <gnunet/gnunet_util_lib.h>
#include "anastasis-gtk_helper.h"
#include "anastasis-gtk_action.h"
#include "anastasis-gtk_attributes.h"
#include "anastasis-gtk_handle-identity-changed.h"
#include <jansson.h>
/**
* Enable or disable highlighting of widget @a w as problematic.
*
* @param on true to enable highlighting, false to disable
*/
static void
highlight (GtkWidget *w,
bool on)
{
static GtkCssProvider *gcp;
GtkStyleContext *gsc;
if (NULL == gcp)
{
GError *err = NULL;
gcp = gtk_css_provider_new ();
GNUNET_break (true ==
gtk_css_provider_load_from_data (gcp,
"* {background-color: #FF4500;}",
-1,
&err));
if (NULL != err)
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Failed to parse CSS: %s\n",
err->message);
}
gsc = gtk_widget_get_style_context (w);
if (on)
{
gtk_style_context_add_provider (gsc,
GTK_STYLE_PROVIDER (gcp),
GTK_STYLE_PROVIDER_PRIORITY_USER);
}
else
{
gtk_style_context_remove_provider (gsc,
GTK_STYLE_PROVIDER (gcp));
}
}
void
AG_mark_invalid_input (const char *name)
{
const json_t *id_attributes;
size_t index;
json_t *id_attr;
id_attributes = json_object_get (AG_redux_state,
"required_attributes");
json_array_foreach (id_attributes, index, id_attr)
{
const char *widget_name = NULL;
const char *attr_type;
const char *attr_uuid;
const char *attr_name;
struct GNUNET_JSON_Specification spec[] = {
GNUNET_JSON_spec_mark_optional (
GNUNET_JSON_spec_string ("widget",
&widget_name),
NULL),
GNUNET_JSON_spec_string ("type",
&attr_type),
GNUNET_JSON_spec_string ("uuid",
&attr_uuid),
GNUNET_JSON_spec_string ("name",
&attr_name),
GNUNET_JSON_spec_end ()
};
GtkWidget *w = NULL;
GNUNET_assert (GNUNET_OK ==
GNUNET_JSON_parse (id_attr,
spec,
NULL, NULL));
if (NULL != widget_name)
{
char *data_name;
data_name = AG_expand_name (widget_name,
attr_type);
w = GTK_WIDGET (GCG_get_main_window_object (data_name));
GNUNET_free (data_name);
}
if (NULL == w)
{
struct GNUNET_HashCode uh;
GNUNET_CRYPTO_hash (attr_uuid,
strlen (attr_uuid),
&uh);
w = GNUNET_CONTAINER_multihashmap_get (AG_entry_attributes,
&uh);
}
highlight (w,
(0 == strcmp (name,
attr_name)));
GNUNET_JSON_parse_free (spec);
}
}
/**
* Function called with the results of #ANASTASIS_redux_action.
*
* @param cls closure
* @param error_code Error code
* @param response new state as result or config information of provider
*/
static void
test_ok_cb (void *cls,
enum TALER_ErrorCode error_code,
json_t *response)
{
bool *result = cls;
const char *name;
switch (error_code)
{
case TALER_EC_NONE:
*result = true;
AG_mark_invalid_input ("__none__");
break;
case TALER_EC_GENERIC_PARAMETER_MISSING:
/* should not be possible */
GNUNET_break (0);
break;
case TALER_EC_ANASTASIS_REDUCER_STATE_INVALID:
/* should not be possible */
GNUNET_break (0);
break;
case TALER_EC_ANASTASIS_REDUCER_INPUT_INVALID:
/* should not be possible */
GNUNET_break (0);
break;
case TALER_EC_ANASTASIS_REDUCER_INPUT_REGEX_FAILED:
name = json_string_value (json_object_get (response,
"detail"));
AG_mark_invalid_input (name);
break;
case TALER_EC_ANASTASIS_REDUCER_INPUT_VALIDATION_FAILED:
name = json_string_value (json_object_get (response,
"detail"));
AG_mark_invalid_input (name);
break;
default:
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"Unexpected error code %d from reducer\n",
error_code);
break;
}
}
/**
* Function to ckeck if required attributes are set.
*
* @return true if user-provided attributes satisfy the constraints
*/
static bool
check_attributes_fullfilled (void)
{
struct ANASTASIS_ReduxAction *ta;
json_t *args;
bool result;
args = AG_collect_attributes (false);
if (NULL == args)
return false;
result = false;
ta = ANASTASIS_redux_action (AG_redux_state,
"enter_user_attributes",
args,
&test_ok_cb,
&result);
if (NULL != ta)
{
result = true;
AG_mark_invalid_input ("__none__");
ANASTASIS_redux_action_cancel (ta);
}
json_decref (args);
return result;
}
void
AG_identity_changed (void)
{
if (check_attributes_fullfilled ())
AG_enable_next ();
else
AG_insensitive ("anastasis_gtk_main_window_forward_button");
}
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