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/*
This file is part of GNUnet.
(C) 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/fs/gnunet-fs-gtk.c
* @brief Main function of gnunet-fs-gtk
* @author Christian Grothoff
*/
#include "gnunet-fs-gtk-common.h"
#include "gnunet-fs-gtk-event_handler.h"
#include "gnunet-fs-gtk-anonymity_spin_buttons.h"
#include <gdk/gdkkeysyms.h>
/**
* Should gnunet-fs-gtk start in tray mode?
*/
static int tray_only;
/**
* Handle to our main loop.
*/
static struct GNUNET_GTK_MainLoop *ml;
/**
* Handle for file-sharing operations.
*/
static struct GNUNET_FS_Handle *fs;
/**
* List of plugins for meta data extraction.
*/
static struct EXTRACTOR_PluginList *plugins;
guint namespace_selector_window_leave_timeout_source = 0;
/**
* Return handle for file-sharing operations.
*
* @return NULL on error
*/
struct GNUNET_FS_Handle *
GNUNET_FS_GTK_get_fs_handle ()
{
return fs;
}
/**
* Get LE plugin list.
*/
struct EXTRACTOR_PluginList *
GNUNET_FS_GTK_get_le_plugins ()
{
return plugins;
}
/**
* Get cfg.
*/
const struct GNUNET_CONFIGURATION_Handle *
GNUNET_FS_GTK_get_configuration (void)
{
return GNUNET_GTK_main_loop_get_configuration (ml);
}
/**
* Get an object from the main window.
*
* @param name name of the object
* @return NULL on error
*/
GObject *
GNUNET_FS_GTK_get_main_window_object (const char *name)
{
return GNUNET_GTK_main_loop_get_object (ml, name);
}
/**
* Task run on shutdown.
* FIXME: does this need to be a separate task!?
*
* @param cls NULL
* @param tc scheduler context, unused
*/
static void
shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
GNUNET_GTK_main_loop_quit (ml);
if (fs != NULL)
{
GNUNET_FS_stop (fs);
fs = NULL;
}
EXTRACTOR_plugin_remove_all (plugins);
plugins = NULL;
}
/**
* Callback invoked if the application is supposed to exit.
*/
void
GNUNET_GTK_quit_cb (GObject * object, gpointer user_data)
{
GNUNET_GTK_tray_icon_destroy ();
GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_IDLE,
&shutdown_task, NULL);
}
void
main_window_search_button_clicked_cb (GtkButton * button, gpointer user_data)
{
GtkBuilder *builder;
GtkTreePath *namespace_treepath = NULL;
GtkTreeModel *namespace_model = NULL;
GtkComboBox *mime_combo;
GtkTreeModel *mime_model;
GtkEntry *query_entry;
guint anonymity_level;
GtkTreeRowReference *ref = NULL;
GtkTreeIter iter;
GtkToggleButton *toggle_button;
const char *entry_keywords;
gchar *keywords;
gchar *mime_keyword;
GNUNET_HashCode *nsid = NULL;
struct GNUNET_FS_Uri *uri;
char *emsg;
builder = GTK_BUILDER (user_data);
toggle_button =
GTK_TOGGLE_BUTTON (gtk_builder_get_object
(builder,
"main_window_search_namespace_dropdown_button"));
if (!GNUNET_GTK_get_selected_anonymity_level
(builder, "main_window_search_anonymity_combobox", &anonymity_level))
return;
mime_combo =
GTK_COMBO_BOX (GNUNET_FS_GTK_get_main_window_object
("main_window_search_mime_combobox"));
mime_model = gtk_combo_box_get_model (mime_combo);
mime_keyword = NULL;
if (mime_model && gtk_combo_box_get_active_iter (mime_combo, &iter))
gtk_tree_model_get (mime_model, &iter, 0, &mime_keyword, -1);
if (strcmp (mime_keyword, " ") == 0)
{
g_free (mime_keyword);
mime_keyword = NULL;
}
ref = g_object_get_data (G_OBJECT (toggle_button), "selected-row-reference");
if (ref)
{
namespace_model = gtk_tree_row_reference_get_model (ref);
namespace_treepath = gtk_tree_row_reference_get_path (ref);
if ((NULL != namespace_treepath) &&
(TRUE ==
gtk_tree_model_get_iter (namespace_model, &iter, namespace_treepath)))
gtk_tree_model_get (namespace_model, &iter, 1, &nsid, -1);
}
query_entry =
GTK_ENTRY (gtk_builder_get_object (builder, "main_window_search_entry"));
entry_keywords = gtk_entry_get_text (query_entry);
keywords =
g_strdup_printf ("%s %s%s", entry_keywords, mime_keyword ? "+" : "",
mime_keyword ? mime_keyword : "");
g_free (mime_keyword);
if (nsid != NULL)
{
uri = GNUNET_FS_uri_sks_create_from_nsid (nsid, keywords);
GNUNET_assert (uri != NULL);
}
else
{
emsg = NULL;
uri = GNUNET_FS_uri_ksk_create (keywords, &emsg);
if (uri == NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Invalid keyword string `%s': %s"),
keywords, emsg);
GNUNET_free_non_null (emsg);
return;
}
}
GNUNET_FS_search_start (GNUNET_FS_GTK_get_fs_handle (), uri, anonymity_level,
GNUNET_FS_SEARCH_OPTION_NONE, NULL);
g_free (keywords);
GNUNET_FS_uri_destroy (uri);
}
gboolean
main_window_search_entry_key_press_event_cb (GtkWidget * widget,
GdkEventKey * event,
gpointer user_data)
{
GtkBuilder *builder;
builder = GTK_BUILDER (user_data);
if (event->keyval == GDK_KEY_Return)
{
GtkWidget *find = GTK_WIDGET (gtk_builder_get_object (builder,
"main_window_search_button"));
main_window_search_button_clicked_cb (GTK_BUTTON (find), user_data);
return TRUE;
}
return FALSE;
}
/**
* Add pseudonym data to tree store
*
* @param cls closure (the 'GtkListStore')
* @param pseudonym hash code of public key of pseudonym
* @param md meta data known about the pseudonym
* @param rating the local rating of the pseudonym
* @return GNUNET_OK to continue iteration, GNUNET_SYSERR to abort
*/
static int
add_namespace_to_ts (void *cls, const GNUNET_HashCode * pseudonym,
const struct GNUNET_CONTAINER_MetaData *md, int rating)
{
GtkTreeStore *ts = cls;
char *root;
char *ns_name;
GNUNET_HashCode *nsid;
char *description;
char *uris;
char *emsg;
struct GNUNET_FS_Uri *uri;
GtkTreeIter iter;
ns_name =
GNUNET_PSEUDONYM_id_to_name (GNUNET_FS_GTK_get_configuration (),
pseudonym);
nsid = GNUNET_malloc (sizeof (GNUNET_HashCode));
*nsid = *pseudonym;
root = NULL;
uris = GNUNET_CONTAINER_meta_data_get_by_type (md, EXTRACTOR_METATYPE_URI);
if (uris != NULL)
{
emsg = NULL;
uri = GNUNET_FS_uri_parse (uris, &emsg);
if (uri == NULL)
GNUNET_free (emsg);
root = GNUNET_FS_uri_sks_get_content_id (uri);
GNUNET_FS_uri_destroy (uri);
}
description =
GNUNET_CONTAINER_meta_data_get_first_by_types (md,
EXTRACTOR_METATYPE_TITLE,
EXTRACTOR_METATYPE_BOOK_TITLE,
EXTRACTOR_METATYPE_DESCRIPTION,
EXTRACTOR_METATYPE_SUMMARY,
EXTRACTOR_METATYPE_ALBUM,
EXTRACTOR_METATYPE_COMMENT,
EXTRACTOR_METATYPE_SUBJECT,
EXTRACTOR_METATYPE_KEYWORDS,
-1);
if (description == NULL)
description = g_strdup (_("no description supplied"));
else
{
char *utf8_desc = NULL;
utf8_desc =
GNUNET_FS_GTK_dubious_meta_to_utf8 (EXTRACTOR_METAFORMAT_UTF8,
description, strlen (description));
GNUNET_free (description);
if (utf8_desc != NULL)
description = utf8_desc;
else
description = NULL;
}
gtk_tree_store_insert_with_values (ts, &iter, NULL, G_MAXINT, 0, ns_name, 1,
nsid, 2, root, 3, description, -1);
GNUNET_free (ns_name);
GNUNET_free_non_null (root);
GNUNET_free_non_null (description);
return GNUNET_OK;
}
void
GNUNET_GTK_main_window_realize_cb (GtkWidget * widget, gpointer user_data)
{
GtkTreeIter iter;
GtkTreeView *namespace_tree;
GtkTreeStore *namespace_treestore;
GtkBuilder *builder;
GtkWidget *namespace_selector_window;
GtkTreeView *metadata_tree;
builder = GTK_BUILDER (user_data);
/* Make sure button class is realized */
g_type_class_unref (g_type_class_ref (GTK_TYPE_BUTTON));
/* GNUnet main window assumes that images on buttons are visible,
* override the theme's gtkrc setting
*/
g_object_set (gtk_settings_get_default (), "gtk-button-images", TRUE, NULL);
namespace_treestore =
GTK_TREE_STORE (GNUNET_FS_GTK_get_main_window_object
("main_window_search_namespace_treestore"));
namespace_tree =
GTK_TREE_VIEW (GNUNET_FS_GTK_get_main_window_object
("namespace_selector_treeview"));
metadata_tree =
GTK_TREE_VIEW (GNUNET_FS_GTK_get_main_window_object
("GNUNET_GTK_main_window_metadata_treeview"));
/* Allow multiple selection in metadata view */
gtk_tree_selection_set_mode (gtk_tree_view_get_selection (metadata_tree),
GTK_SELECTION_MULTIPLE);
/* FIXME: find a way to manage pseudonyms.
* Right now the list will be filled with ALL and ANY pseudonyms that we
* find, these are held as files in a special directory.
* I don't see an easy way to ignore certain pseudonyms in that directory,
* and that require for pseudonym management. Also, pseudonyms are presented
* in arbitrary order. We must either sort them (by name?) or let the user
* drag them around to change the order in which they appear in the list.
* All that is not possible with a simple "files in a directory" concept.
*/
gtk_tree_store_insert_with_values (namespace_treestore, &iter, NULL, G_MAXINT,
0, "Any", 1, NULL, 2, "", 3,
"Do not search in any particular namespace",
-1);
/*
* GNUNET_PSEUDONYM_list_all (GNUNET_FS_GTK_get_configuration (),
* &add_namespace_to_ts, namespace_treestore);
*/
GNUNET_PSEUDONYM_discovery_callback_register (GNUNET_FS_GTK_get_configuration
(), &add_namespace_to_ts,
namespace_treestore);
/* FIXME: read currently selected namespace from somewhere instead of selecting 0th item */
if (gtk_tree_model_get_iter_first
(GTK_TREE_MODEL (namespace_treestore), &iter))
{
gchar *value;
GtkLabel *sel_namespace_label;
GtkTreePath *treepath = gtk_tree_path_new_first ();
gtk_tree_selection_select_iter (gtk_tree_view_get_selection
(namespace_tree), &iter);
sel_namespace_label =
GTK_LABEL (gtk_builder_get_object
(builder, "main_window_search_selected_namespace_label"));
if (GNUNET_GTK_get_tree_string (namespace_tree, treepath, 0, &value))
gtk_label_set_text (sel_namespace_label, value);
gtk_tree_path_free (treepath);
}
/* How the window (to trigger certain events) and immediately hide it */
namespace_selector_window =
GTK_WIDGET (gtk_builder_get_object
(builder, "namespace_selector_window"));
gtk_widget_show (namespace_selector_window);
gtk_widget_hide (namespace_selector_window);
}
/**
* Actual main function run right after GNUnet's scheduler
* is initialized. Initializes up GTK and Glade.
*/
static void
run (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
GtkWidget *main_window;
ml = cls;
GNUNET_GTK_set_icon_search_path ();
GNUNET_GTK_setup_nls ();
/* setup main window */
main_window =
GTK_WIDGET (GNUNET_FS_GTK_get_main_window_object
("GNUNET_GTK_main_window"));
gtk_window_maximize (GTK_WINDOW (main_window));
GNUNET_GTK_tray_icon_create (GTK_WINDOW (main_window),
"gnunet-gtk" /* FIXME: rename icon? */ ,
"gnunet-fs-gtk");
/* initialize file-sharing */
plugins = EXTRACTOR_plugin_add_defaults (EXTRACTOR_OPTION_DEFAULT_POLICY);
fs = GNUNET_FS_start (GNUNET_GTK_main_loop_get_configuration (ml), "gnunet-gtk", &GNUNET_GTK_fs_event_handler, NULL, GNUNET_FS_FLAGS_NONE /* | GNUNET_FS_FLAGS_PERSISTENCE |
* GNUNET_FS_FLAGS_DO_PROBES */ ,
GNUNET_FS_OPTIONS_END);
if (fs != NULL)
{
/* Searches are now started from the search bar */
/* add_new_tab (); */
}
else
{
gtk_widget_hide (GTK_WIDGET
(GNUNET_FS_GTK_get_main_window_object
("GNUNET_GTK_main_menu_file_create_pseudonym")));
gtk_widget_hide (GTK_WIDGET
(GNUNET_FS_GTK_get_main_window_object
("GNUNET_GTK_main_menu_file_advertise_pseudonym")));
gtk_widget_hide (GTK_WIDGET
(GNUNET_FS_GTK_get_main_window_object
("GNUNET_GTK_main_menu_file_publish")));
gtk_widget_hide (GTK_WIDGET
(GNUNET_FS_GTK_get_main_window_object
("GNUNET_GTK_main_menu_file_search")));
gtk_widget_hide (GTK_WIDGET
(GNUNET_FS_GTK_get_main_window_object
("GNUNET_GTK_main_menu_file_download_uri")));
gtk_widget_hide (GTK_WIDGET
(GNUNET_FS_GTK_get_main_window_object
("GNUNET_GTK_main_menu_file_open_gnunet_directory")));
/* FIXME: set warning in status bar... */
}
/* make GUI visible */
if (!tray_only)
{
gtk_widget_show (main_window);
gtk_window_present (GTK_WINDOW (main_window));
}
}
int
main (int argc, char *const *argv)
{
static struct GNUNET_GETOPT_CommandLineOption options[] = {
{'t', "tray", NULL,
gettext_noop ("start in tray mode"), 0,
&GNUNET_GETOPT_set_one, &tray_only},
GNUNET_GETOPT_OPTION_END
};
if (GNUNET_OK !=
GNUNET_GTK_main_loop_start ("gnunet-fs-gtk", "GTK GUI for GNUnet", argc,
argv, options,
"gnunet_fs_gtk_main_window.glade", &run))
return 1;
return 0;
}
/* end of gnunet-fs-gtk.c */
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