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/*
This file is part of GNUnet.
(C) 2010-2014 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 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/**
* @file src/conversation/gnunet-conversation-gtk_contacts.c
* @brief display the address book with the list of known contacts
* and launch calls if user activates entry in address book
* @author yids
* @author hark
* @author Christian Grothoff
*/
#include "gnunet-conversation-gtk.h"
#include "gnunet-conversation-gtk_contacts.h"
#include "gnunet-conversation-gtk_get_label.h"
#include "gnunet-conversation-gtk_phone.h"
#include "gnunet-conversation-gtk_zones.h"
/**
* Columns in the #contacts_liststore.
*/
enum ContactsListstoreValues
{
/**
* Human-readable name of the label in the zone.
*/
CONTACTS_LS_NAME = 0,
/**
* Type of the label (as a `const char *`)
*/
CONTACTS_LS_TYPE = 1,
/**
* Value stored under the label (as a `const char *`)
*/
CONTACTS_LS_VALUE = 2,
/**
* Is the record public (as a `gboolean`)
*/
CONTACTS_LS_IS_PUBLIC = 3,
/**
* Is the 'public' flag editable (once implemented, negation
* of #CONTACT_IS_PUBLIC), a `gboolean`.
*/
CONTACTS_LS_IS_EDITABLE = 4
};
/**
* List of contacts (records).
*/
static GtkListStore *contacts_liststore;
/**
* Tree model of the contacts treeview, same objects as #contacts_liststore.
*/
static GtkTreeModel *contacts_treemodel;
/**
* Monitor to view information in our current zone.
*/
static struct GNUNET_NAMESTORE_ZoneMonitor *zone_mon;
/**
* The tree view widget.
*/
static GtkWidget *contacts_treeview;
/**
* The "paste" button.
*/
static GtkWidget *b_paste;
/**
* A row was activated in the contacts list. Initiate call.
*
* @param tree_view view where the row was activated
* @param path path to the activated element
* @param column column that was activated
* @param user_data builder context (unused)
*/
void
gnunet_conversation_gtk_contact_list_treeview_row_activated_cb (GtkTreeView *tree_view,
GtkTreePath *path,
GtkTreeViewColumn *column,
gpointer user_data)
{
char *address;
gchar *type;
GtkTreeIter iter;
gchar *name;
GtkEntry *address_entry;
if (! gtk_tree_model_get_iter (contacts_treemodel,
&iter,
path))
{
GNUNET_break (0);
return;
}
gtk_tree_model_get (contacts_treemodel,
&iter,
CONTACTS_LS_NAME, &name,
CONTACTS_LS_TYPE, &type,
-1);
if (0 == strcmp (type, "PKEY"))
{
GNUNET_asprintf (&address,
"phone.%s.gnu",
name);
}
else
{
GNUNET_asprintf (&address,
"%s.gnu",
name);
}
g_free (name);
g_free (type);
address_entry = GTK_ENTRY (GCG_get_main_window_object
("gnunet_conversation_gtk_address_entry"));
gtk_entry_set_text (address_entry,
address);
GNUNET_free (address);
}
/**
* Process a record that was stored or modified the namestore by
* adding/modifying/removing it in the liststore.
*
* @param cls closure
* @param zone_key private key of the zone; NULL on disconnect
* @param rname label of the records; NULL on disconnect
* @param rd_len number of entries in @a rd array, 0 if label was deleted
* @param rd array of records with data to store
*/
static void
display_record (void *cls,
const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone_key,
const char *rname,
unsigned int rd_len,
const struct GNUNET_GNSRECORD_Data *rd)
{
unsigned int i;
GtkTreeIter iter;
gboolean do_display;
const char *type;
gchar *lname;
gboolean update;
gboolean is_public;
char *value;
if (NULL == zone_key)
{
/* disconnect, clear (and possibly freeze) view */
gtk_list_store_clear (contacts_liststore);
gtk_widget_hide (contacts_treeview);
return;
}
do_display = FALSE;
value = NULL;
for (i = 0; i < rd_len; i++)
{
switch (rd[i].record_type)
{
case GNUNET_GNSRECORD_TYPE_PKEY:
type = "PKEY";
do_display = TRUE;
break;
case GNUNET_DNSPARSER_TYPE_CNAME:
type = "CNAME";
do_display = TRUE;
break;
case GNUNET_GNSRECORD_TYPE_PHONE:
type = "PHONE";
do_display = TRUE;
break;
default:
/* ignore, not useful for conversation */
break;
}
if (do_display)
{
value = GNUNET_GNSRECORD_value_to_string (rd[i].record_type,
rd[i].data,
rd[i].data_size);
is_public = (0 == (rd[i].flags & GNUNET_GNSRECORD_RF_PRIVATE));
break;
}
}
/* check if exists, if so, update or remove */
update = FALSE;
if (gtk_tree_model_get_iter_first (contacts_treemodel,
&iter))
{
do
{
gtk_tree_model_get (contacts_treemodel,
&iter,
CONTACTS_LS_NAME, &lname,
-1);
if (0 == strcmp (lname,
rname))
{
if (! do_display)
{
/* remove */
gtk_list_store_remove (contacts_liststore,
&iter);
g_free (lname);
GNUNET_free (value);
return;
}
/* update */
update = TRUE;
break;
}
g_free (lname);
}
while (gtk_tree_model_iter_next (contacts_treemodel,
&iter));
}
/* insert new record */
if (! do_display)
{
GNUNET_assert (NULL == value);
return;
}
if (! update)
gtk_list_store_append (contacts_liststore,
&iter);
gtk_list_store_set (contacts_liststore,
&iter,
CONTACTS_LS_NAME, rname,
CONTACTS_LS_TYPE, type,
CONTACTS_LS_VALUE, value,
CONTACTS_LS_IS_PUBLIC, is_public,
CONTACTS_LS_IS_EDITABLE, FALSE /* FIXME: editing to be implemented */,
-1);
GNUNET_free (value);
}
/**
* Function called once the monitor has caught up with the current
* state of the database. Will be called AGAIN after each disconnect
* (record monitor called with 'NULL' for zone_key) once we're again
* in sync.
*
* Could be used to optimize visuals if we block GTK updates while the
* list is not in sync.
*
* @param cls closure
*/
static void
unfreeze_view (void *cls)
{
gtk_widget_show (contacts_treeview);
}
/**
* A different zone was selected in the zone toggle bar. Load the
* appropriate zone.
*
* @param widget combobox that was changed, unused
* @param user_data builder, unused
*/
void
gnunet_conversation_gtk_contacts_zone_combobox_changed_cb (GtkComboBox *widget,
gpointer user_data)
{
struct GNUNET_IDENTITY_Ego *ego;
const struct GNUNET_CRYPTO_EcdsaPrivateKey *temp_zone_pkey;
if (NULL != zone_mon)
{
GNUNET_NAMESTORE_zone_monitor_stop (zone_mon);
zone_mon = NULL;
}
gtk_list_store_clear (contacts_liststore);
ego = GCG_ZONES_get_selected_zone ();
if (NULL == ego)
{
/* ego deselected (likely shutdown) */
gtk_widget_set_sensitive (b_paste, FALSE);
return;
}
gtk_widget_hide (contacts_treeview);
gtk_widget_set_sensitive (b_paste, TRUE);
temp_zone_pkey = GNUNET_IDENTITY_ego_get_private_key (ego);
zone_mon = GNUNET_NAMESTORE_zone_monitor_start (GCG_get_configuration (),
temp_zone_pkey,
GNUNET_YES,
&display_record,
&unfreeze_view,
NULL);
}
/**
* User clicked the "paste" button. Handle data from the clipboard,
* if it is a "gnunet://gns/"-URI, import it into our current zone /
* address book.
*
* @param clipboard the clipboard
* @param text the text from the board
* @param data NULL
*/
static void
handle_paste_data (GtkClipboard *clipboard,
const gchar *text,
gpointer data)
{
char *name;
char *slash;
const char *label;
if (NULL == text)
return; /* clipboard empty */
if (0 != strncasecmp ("gnunet://gns/",
text,
strlen ("gnunet://gns/")))
{
GCG_log (_("Invalid URI `%s'\n"),
text);
return;
}
name = GNUNET_strdup (&text[strlen ("gnunet://gns/")]);
slash = strchr (name, '/');
if ( (NULL != slash) &&
('\0' != slash[1]) )
{
*slash = '\0';
label = &slash[1];
if (GNUNET_OK !=
GNUNET_DNSPARSER_check_label (label))
{
GCG_log (_("Invalid label `%s' in URI `%s'\n"),
label,
text);
GNUNET_free (name);
return;
}
else
{
/* got a label already, try to use it */
GSC_get_label_for_name (name,
label);
GNUNET_free (name);
return;
}
}
if (NULL != slash)
*slash = '\0';
/* don't have a label yet, need to prompt! */
GSC_get_label_for_name (name,
NULL);
GNUNET_free (name);
}
/**
* User clicked the "paste" button. Copy address information
* from the clipboard into our current zone / address book.
*
* @param button the button
* @param user_data builder (unused)
*/
void
gnunet_conversation_gtk_contacts_paste_button_clicked_cb (GtkButton *button,
gpointer user_data)
{
GtkClipboard *cb;
cb = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
gtk_clipboard_request_text (cb,
&handle_paste_data,
NULL);
}
/**
* Initialize the contact list
*/
void
GCG_CONTACTS_init ()
{
contacts_treeview
= GTK_WIDGET (GCG_get_main_window_object
("gnunet_conversation_gtk_contact_list_treeview"));
#if GTK_CHECK_VERSION(3,10,0)
gtk_tree_view_set_activate_on_single_click (GTK_TREE_VIEW (contacts_treeview),
TRUE);
#endif
contacts_liststore
= GTK_LIST_STORE (GCG_get_main_window_object
("gnunet_conversation_gtk_contacts_liststore"));
contacts_treemodel
= GTK_TREE_MODEL (contacts_liststore);
b_paste = GTK_WIDGET (GCG_get_main_window_object
("gnunet_conversation_gtk_contacts_paste_button"));
}
/**
* Shutdown the contact list
*/
void
GCG_CONTACTS_shutdown ()
{
if (NULL != zone_mon)
{
GNUNET_NAMESTORE_zone_monitor_stop (zone_mon);
zone_mon = NULL;
}
gtk_list_store_clear (contacts_liststore);
contacts_liststore = NULL;
contacts_treemodel = NULL;
}
/* end of gnunet-conversation-gtk_contacts.c */
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