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/*
This file is part of GNUnet
(C) 2005, 2006, 2010, 2012 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/fs/gnunet-fs-gtk_advertise-pseudonym.c
* @author Christian Grothoff
* @brief allow the user to select a pseudonym to advertise and
* then run the advertising dialog (using the edit-publish
* dialog functions) and finally do the advertising
*/
#include "gnunet-fs-gtk_common.h"
#include "gnunet-fs-gtk.h"
#include "gnunet-fs-gtk_publish-edit-dialog.h"
/* *************************** handlers run on closing of the dialog ********************** */
/**
* Closure for 'advertise_namespace' and the callback from the editing dialog.
*/
struct NamespaceAdvertisementContext
{
/**
* Handle to the namespace to advertise.
*/
struct GNUNET_FS_Namespace *ns;
/**
* Root of the namespace is stored here temporarily.
*/
const char *root;
/**
* File information structure (fake) which we use to run the 'edit' dialog.
*/
struct GNUNET_FS_FileInformation *fip;
};
/**
* Actually perform the advertising with the information collected.
*
* @param cls closure, a 'struct NamespaceAdvertisementContext *'
* @param fi the entry in the publish-structure
* @param length length of the file or directory
* @param meta metadata for the file or directory (can be modified)
* @param uri pointer to the keywords that will be used for this entry (can be modified)
* @param bo block options (can be modified)
* @param do_index should we index (can be modified)
* @param client_info pointer to client context set upon creation (can be modified)
* @return GNUNET_OK to continue, GNUNET_NO to remove
* this entry from the directory, GNUNET_SYSERR
* to abort the iteration
*/
static int
advertise_namespace (void *cls,
struct GNUNET_FS_FileInformation *fi,
uint64_t length, struct GNUNET_CONTAINER_MetaData *meta,
struct GNUNET_FS_Uri **uri,
struct GNUNET_FS_BlockOptions *bo, int *do_index,
void **client_info)
{
struct NamespaceAdvertisementContext *nds = cls;
GNUNET_FS_namespace_advertise (GNUNET_FS_GTK_get_fs_handle (),
*uri,
nds->ns,
meta, bo, nds->root,
NULL, NULL);
return GNUNET_SYSERR;
}
/**
* Callback invoked from the editing dialog upon completion of the
* meta data editing for the advertisement.
*
* @param cls the 'struct NamespaceAdvertisementContext'
* @param ret return value from the dialog
* @param root namespace root to use
*/
static void
adv_pseudonym_edit_publish_dialog_cb (gpointer cls,
gint ret,
const char *root)
{
struct NamespaceAdvertisementContext *nds = cls;
if (ret == GTK_RESPONSE_OK)
{
nds->root = root;
GNUNET_FS_file_information_inspect (nds->fip, &advertise_namespace, nds);
nds->root = NULL;
}
GNUNET_FS_namespace_delete (nds->ns, GNUNET_NO);
GNUNET_FS_file_information_destroy (nds->fip, NULL, NULL);
GNUNET_free (nds);
}
/**
* Function called from the pseudonym selection 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_select_pseudonym_dialog_response_cb (GtkDialog * dialog,
gint response_id,
gpointer user_data)
{
GtkBuilder *builder = GTK_BUILDER (user_data);
GtkTreeView *tv;
GtkTreeSelection *sel;
GtkTreeModel *tm;
GtkTreeIter iter;
struct GNUNET_FS_Namespace *ns;
struct GNUNET_FS_Namespace *nso;
GtkWindow *transient;
struct NamespaceAdvertisementContext *nds;
struct GNUNET_CONTAINER_MetaData *meta;
struct GNUNET_FS_BlockOptions bo;
if (-5 != response_id)
{
gtk_widget_destroy (GTK_WIDGET (dialog));
g_object_unref (G_OBJECT (builder));
return;
}
tv = GTK_TREE_VIEW (gtk_builder_get_object
(builder, "GNUNET_GTK_select_pseudonym_tree_view"));
sel = gtk_tree_view_get_selection (tv);
if (! gtk_tree_selection_get_selected (sel, &tm, &iter))
{
GNUNET_break (0);
gtk_widget_destroy (GTK_WIDGET (dialog));
g_object_unref (G_OBJECT (builder));
return;
}
gtk_tree_model_get (tm, &iter, 1, &ns, -1);
/* free all namespaces from list store except "ns" */
if (gtk_tree_model_get_iter_first (tm, &iter))
{
do
{
gtk_tree_model_get (tm, &iter, 1, &nso, -1);
if (ns != nso)
GNUNET_FS_namespace_delete (nso, GNUNET_NO);
}
while (gtk_tree_model_iter_next (tm, &iter));
}
transient = gtk_window_get_transient_for (GTK_WINDOW (dialog));
gtk_widget_destroy (GTK_WIDGET (dialog));
g_object_unref (G_OBJECT (builder));
nds = GNUNET_malloc (sizeof (struct NamespaceAdvertisementContext));
nds->ns = ns;
memset (&bo, 0, sizeof (struct GNUNET_FS_BlockOptions));
bo.expiration_time = GNUNET_FS_year_to_time (GNUNET_FS_get_current_year () + 2);
bo.anonymity_level = 1;
bo.content_priority = 1000;
/* create fake file information to run the 'edit' dialog with */
meta = GNUNET_CONTAINER_meta_data_create ();
nds->fip =
GNUNET_FS_file_information_create_empty_directory (NULL, NULL, NULL, meta,
&bo, NULL);
GNUNET_CONTAINER_meta_data_destroy (meta);
GNUNET_FS_GTK_edit_publish_dialog (transient,
nds->fip,
GNUNET_NO,
&adv_pseudonym_edit_publish_dialog_cb,
nds);
}
/**
* User deleted 'select pseudonym' dialog. Clean up.
*
* @param widget the dialog
* @param event the destroying event
* @param user_data the builder of the dialog
* @return TRUE (allow destruction)
*/
gboolean
GNUNET_GTK_select_pseudonym_dialog_delete_event_cb (GtkWidget *widget,
GdkEvent *event,
gpointer user_data)
{
GtkBuilder *builder = GTK_BUILDER (user_data);
GtkTreeModel *tm;
GtkTreeIter iter;
tm = GTK_TREE_MODEL (gtk_builder_get_object (builder,
"GNUNET_GTK_select_pseudonym_liststore"));
if (gtk_tree_model_get_iter_first (tm, &iter))
{
do
{
struct GNUNET_FS_Namespace *nso;
gtk_tree_model_get (tm, &iter, 1, &nso, -1);
GNUNET_FS_namespace_delete (nso, GNUNET_NO);
}
while (gtk_tree_model_iter_next (tm, &iter));
}
g_object_unref (G_OBJECT (builder));
return TRUE;
}
/* *************************** code to create the dialog ********************** */
/**
* Callback with information about local (!) namespaces.
* Contains the names of the local namespace and the global
* ID. Adds the to the list store.
*
* @param cls closure, the list store.
* @param name human-readable identifier of the namespace
* @param id hash identifier for the namespace
*/
static void
add_to_list (void *cls,
const char *name,
const GNUNET_HashCode * id)
{
GtkListStore *ls = cls;
GtkTreeIter iter;
gtk_list_store_insert_with_values (ls, &iter, -1,
0, name,
1, GNUNET_FS_namespace_create (GNUNET_FS_GTK_get_fs_handle (),
name),
-1);
}
/**
* Selection of the pseudonym changed, update the sensitivity
* of the buttons.
*
* @param ts the selection instance
* @param user_data the builder of the selection dialog
*/
static void
selection_changed_cb (GtkTreeSelection * ts, gpointer user_data)
{
GtkBuilder *builder = GTK_BUILDER (user_data);
GtkTreeIter iter;
GtkWidget *ok_button;
ok_button =
GTK_WIDGET (gtk_builder_get_object
(builder, "GNUNET_GTK_select_pseudonym_ok_button"));
if (gtk_tree_selection_get_selected (ts, NULL, &iter))
gtk_widget_set_sensitive (ok_button, TRUE);
else
gtk_widget_set_sensitive (ok_button, FALSE);
}
/**
* Advertise pseudonym selected in the menu.
*
* @param dummy the menu item
* @param user_data the builder of the main window, unused
*/
void
GNUNET_GTK_main_menu_file_advertise_pseudonym_activate_cb (GtkWidget * dummy,
gpointer user_data)
{
GtkWidget *ad;
GtkListStore *ls;
GtkWidget *toplevel;
GtkTreeView *tv;
GtkTreeSelection *sel;
GtkBuilder *builder;
builder = GNUNET_GTK_get_new_builder ("gnunet_fs_gtk_select_pseudonym_dialog.glade", NULL);
if (NULL == builder)
{
GNUNET_break (0);
return;
}
ad = GTK_WIDGET (gtk_builder_get_object
(builder, "GNUNET_GTK_select_pseudonym_dialog"));
ls = GTK_LIST_STORE (gtk_builder_get_object
(builder, "GNUNET_GTK_select_pseudonym_liststore"));
GNUNET_FS_namespace_list (GNUNET_FS_GTK_get_fs_handle (),
&add_to_list,
ls);
/* FIXME-UNCLEAN: this signal can be connected by (modern) Glade automatically */
tv = GTK_TREE_VIEW (gtk_builder_get_object
(builder, "GNUNET_GTK_select_pseudonym_tree_view"));
sel = gtk_tree_view_get_selection (tv);
g_signal_connect (G_OBJECT (sel), "changed",
G_CALLBACK (selection_changed_cb), builder);
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_advertise-pseudonym.c */
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