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/*
An indicator to show information that is in messaging applications
that the user is using.
Copyright 2009 Canonical Ltd.
Authors:
Ted Gould <ted@canonical.com>
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License version 3, as published
by the Free Software Foundation.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranties of
MERCHANTABILITY, SATISFACTORY QUALITY, 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <locale.h>
#include <libindicator/indicator-service.h>
#include <gio/gio.h>
#include <gio/gdesktopappinfo.h>
#include <glib/gi18n.h>
#include "app-section.h"
#include "dbus-data.h"
#include "messages-service-dbus.h"
#include "gactionmuxer.h"
#include "gsettingsstrv.h"
#include "gmenuutils.h"
static GHashTable *applications;
static GSimpleActionGroup *actions;
static GActionMuxer *action_muxer;
static GMenu *menu;
static GSettings *settings;
static gchar *
g_app_info_get_simple_id (GAppInfo *appinfo)
{
const gchar *id;
id = g_app_info_get_id (appinfo);
if (!id)
return NULL;
if (g_str_has_suffix (id, ".desktop"))
return g_strndup (id, strlen (id) - 8);
else
return g_strdup (id);
}
static void
actions_changed (GObject *object,
GParamSpec *pspec,
gpointer user_data)
{
AppSection *section = APP_SECTION (object);
gchar *id;
GActionGroup *actions;
id = g_app_info_get_simple_id (app_section_get_app_info (section));
actions = app_section_get_actions (section);
g_action_muxer_insert (action_muxer, id, actions);
g_free (id);
}
static gboolean
app_section_draws_attention (gpointer key,
gpointer value,
gpointer user_data)
{
AppSection *section = value;
return app_section_get_draws_attention (section);
}
static void
draws_attention_changed (GObject *object,
GParamSpec *pspec,
gpointer user_data)
{
GSimpleAction *clear;
gboolean attention;
clear = G_SIMPLE_ACTION (g_simple_action_group_lookup (actions, "clear"));
g_return_if_fail (clear != NULL);
attention = g_hash_table_find (applications, app_section_draws_attention, NULL) != NULL;
g_simple_action_set_enabled (clear, attention);
}
static AppSection *
add_application (const gchar *desktop_id)
{
GDesktopAppInfo *appinfo;
gchar *id;
AppSection *section;
appinfo = g_desktop_app_info_new (desktop_id);
if (!appinfo) {
g_warning ("could not add '%s', there's no desktop file with that id", desktop_id);
return NULL;
}
id = g_app_info_get_simple_id (G_APP_INFO (appinfo));
section = g_hash_table_lookup (applications, id);
if (!section) {
GMenuItem *menuitem;
section = app_section_new(appinfo);
g_hash_table_insert (applications, g_strdup (id), section);
g_action_muxer_insert (action_muxer, id, app_section_get_actions (section));
g_signal_connect (section, "notify::actions",
G_CALLBACK (actions_changed), NULL);
g_signal_connect (section, "notify::draws-attention",
G_CALLBACK (draws_attention_changed), NULL);
/* TODO insert it at the right position (alphabetically by application name) */
menuitem = g_menu_item_new_section (NULL, app_section_get_menu (section));
g_menu_item_set_attribute (menuitem, "action-namespace", "s", id);
g_menu_insert_item (menu, 2, menuitem);
g_object_unref (menuitem);
}
g_free (id);
g_object_unref (appinfo);
return section;
}
static void
remove_application (const char *desktop_id)
{
GDesktopAppInfo *appinfo;
gchar *id;
AppSection *section;
appinfo = g_desktop_app_info_new (desktop_id);
if (!appinfo) {
g_warning ("could not remove '%s', there's no desktop file with that id", desktop_id);
return;
}
id = g_app_info_get_simple_id (G_APP_INFO (appinfo));
section = g_hash_table_lookup (applications, id);
if (section) {
int pos = g_menu_find_section (menu, app_section_get_menu (section));
if (pos >= 0)
g_menu_remove (menu, pos);
g_action_muxer_remove (action_muxer, id);
g_signal_handlers_disconnect_by_func (section, actions_changed, NULL);
g_signal_handlers_disconnect_by_func (section, draws_attention_changed, NULL);
}
else {
g_warning ("could not remove '%s', it's not registered", desktop_id);
}
g_hash_table_remove (applications, id);
g_free (id);
g_object_unref (appinfo);
}
/* This function turns a specific desktop id into a menu
item and registers it appropriately with everyone */
static gboolean
build_launcher (gpointer data)
{
gchar *desktop_id = data;
add_application (desktop_id);
g_free (desktop_id);
return FALSE;
}
/* This function goes through all the launchers that we're
supposed to be grabbing and decides to show turn them
into menu items or not. It doens't do the work, but it
makes the decision. */
static gboolean
build_launchers (gpointer data)
{
gchar **applications = g_settings_get_strv (settings, "applications");
gchar **app;
g_return_val_if_fail (applications != NULL, FALSE);
for (app = applications; *app; app++)
{
g_idle_add(build_launcher, g_strdup (*app));
}
g_strfreev (applications);
return FALSE;
}
static void
service_shutdown (IndicatorService * service, gpointer user_data)
{
GMainLoop *mainloop = user_data;
g_warning("Shutting down service!");
g_main_loop_quit(mainloop);
}
static void
app_section_remove_attention (gpointer key,
gpointer value,
gpointer user_data)
{
AppSection *section = value;
app_section_clear_draws_attention (section);
}
static void
clear_action_activate (GSimpleAction *simple,
GVariant *param,
gpointer user_data)
{
g_hash_table_foreach (applications, app_section_remove_attention, NULL);
}
static void
radio_item_activate (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
g_action_change_state (G_ACTION (action), parameter);
}
static void
change_status (GSimpleAction *action,
GVariant *value,
gpointer user_data)
{
const gchar *status;
g_variant_get (value, "&s", &status);
g_return_if_fail (g_str_equal (status, "available") ||
g_str_equal (status, "away")||
g_str_equal (status, "busy") ||
g_str_equal (status, "invisible") ||
g_str_equal (status, "offline"));
g_simple_action_set_state (action, value);
g_message ("changing status to %s", g_variant_get_string (value, NULL));
}
static void
register_application (MessageServiceDbus *msd,
const gchar *sender,
const gchar *desktop_id,
const gchar *menu_path,
gpointer user_data)
{
AppSection *section;
GDBusConnection *bus;
section = add_application (desktop_id);
if (!section)
return;
bus = message_service_dbus_get_connection (msd);
app_section_set_object_path (section, bus, sender, menu_path);
g_settings_strv_append_unique (settings, "applications", desktop_id);
}
static void
unregister_application (MessageServiceDbus *msd,
const gchar *desktop_id,
gpointer user_data)
{
remove_application (desktop_id);
g_settings_strv_remove (settings, "applications", desktop_id);
}
GSimpleActionGroup *
create_action_group ()
{
GSimpleActionGroup *actions;
GSimpleAction *clear;
GSimpleAction *status;
actions = g_simple_action_group_new ();
status = g_simple_action_new_stateful ("status", G_VARIANT_TYPE ("s"),
g_variant_new ("s", "offline"));
g_signal_connect (status, "activate", G_CALLBACK (radio_item_activate), NULL);
g_signal_connect (status, "change-state", G_CALLBACK (change_status), NULL);
clear = g_simple_action_new ("clear", NULL);
g_simple_action_set_enabled (clear, FALSE);
g_signal_connect (clear, "activate", G_CALLBACK (clear_action_activate), NULL);
g_simple_action_group_insert (actions, G_ACTION (status));
g_simple_action_group_insert (actions, G_ACTION (clear));
return actions;
}
GMenuModel *
create_status_section ()
{
GMenu *menu;
menu = g_menu_new ();
g_menu_append_with_icon_name (menu, _("Available"), "user-available", "status::available");
g_menu_append_with_icon_name (menu, _("Away"), "user-away", "status::away");
g_menu_append_with_icon_name (menu, _("Busy"), "user-busy", "status::busy");
g_menu_append_with_icon_name (menu, _("Invisible"), "user-invisible", "status::invisible");
g_menu_append_with_icon_name (menu, _("Offline"), "user-offline", "status::offline");
return G_MENU_MODEL (menu);
}
static void
got_bus (GObject *object,
GAsyncResult * res,
gpointer user_data)
{
GDBusConnection *bus;
GError *error = NULL;
bus = g_bus_get_finish (res, &error);
if (!bus) {
g_warning ("unable to connect to the session bus: %s", error->message);
g_error_free (error);
return;
}
g_dbus_connection_export_action_group (bus, INDICATOR_MESSAGES_DBUS_OBJECT,
G_ACTION_GROUP (action_muxer), &error);
if (error) {
g_warning ("unable to export action group on dbus: %s", error->message);
g_error_free (error);
return;
}
g_dbus_connection_export_menu_model (bus, INDICATOR_MESSAGES_DBUS_OBJECT,
G_MENU_MODEL (menu), &error);
if (error) {
g_warning ("unable to export menu on dbus: %s", error->message);
g_error_free (error);
return;
}
g_object_unref (bus);
}
int
main (int argc, char ** argv)
{
GMainLoop * mainloop = NULL;
IndicatorService * service = NULL;
MessageServiceDbus * dbus_interface = NULL;
GMenuModel *status_items;
/* Glib init */
g_type_init();
mainloop = g_main_loop_new (NULL, FALSE);
/* Create the Indicator Service interface */
service = indicator_service_new_version(INDICATOR_MESSAGES_DBUS_NAME, 1);
g_signal_connect(service, INDICATOR_SERVICE_SIGNAL_SHUTDOWN, G_CALLBACK(service_shutdown), mainloop);
/* Setting up i18n and gettext. Apparently, we need
all of these. */
setlocale (LC_ALL, "");
bindtextdomain (GETTEXT_PACKAGE, GNOMELOCALEDIR);
textdomain (GETTEXT_PACKAGE);
/* Bring up the service DBus interface */
dbus_interface = message_service_dbus_new();
g_bus_get (G_BUS_TYPE_SESSION, NULL, got_bus, NULL);
actions = create_action_group ();
action_muxer = g_action_muxer_new ();
g_action_muxer_insert (action_muxer, NULL, G_ACTION_GROUP (actions));
g_signal_connect (dbus_interface, MESSAGE_SERVICE_DBUS_SIGNAL_REGISTER_APPLICATION,
G_CALLBACK (register_application), NULL);
g_signal_connect (dbus_interface, MESSAGE_SERVICE_DBUS_SIGNAL_UNREGISTER_APPLICATION,
G_CALLBACK (unregister_application), NULL);
menu = g_menu_new ();
status_items = create_status_section ();
g_menu_append_section (menu, _("Status"), status_items);
g_menu_append (menu, _("Clear"), "clear");
settings = g_settings_new ("com.canonical.indicator.messages");
applications = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_object_unref);
g_idle_add(build_launchers, NULL);
g_main_loop_run(mainloop);
/* Clean up */
g_object_unref (status_items);
g_object_unref (settings);
g_hash_table_unref (applications);
return 0;
}
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