Adjusting indicator to be service based.

1 files changed, 182 insertions, 0 deletions

diff --git a/src/datetime-service.c b/src/datetime-service.c
index 39a256d..2137065 100644
--- a/src/datetime-service.c
+++ b/src/datetime-service.c
@@ -19,9 +19,191 @@ 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 <libindicator/indicator-service.h>
+
+#include <glib/gi18n.h>
+
+#include <libdbusmenu-glib/server.h>
+#include <libdbusmenu-glib/client.h>
+#include <libdbusmenu-glib/menuitem.h>
+
+#include "dbus-shared.h"
+
+static IndicatorService * service = NULL;
+static GMainLoop * mainloop = NULL;
+static DbusmenuServer * server = NULL;
+static DbusmenuMenuitem * root = NULL;
+
+/* Global Items */
+static DbusmenuMenuitem * date = NULL;
+static DbusmenuMenuitem * calendar = NULL;
+static DbusmenuMenuitem * settings = NULL;
+
+/* Updates the label in the date menuitem */
+static gboolean
+update_datetime (gpointer user_data)
+{
+	g_debug("Updating Date/Time");
+
+	gchar longstr[128];
+	time_t t;
+	struct tm *ltime;
+
+	t = time(NULL);
+	ltime = localtime(&t);
+	if (ltime == NULL) {
+		g_warning("Error getting local time");
+		dbusmenu_menuitem_property_set(date, DBUSMENU_MENUITEM_PROP_LABEL, _("Error getting time"));
+		return FALSE;
+	}
+
+	/* Note: may require some localization tweaks */
+	strftime(longstr, 128, "%A, %e %B %Y", ltime);
+	
+	gchar * utf8 = g_locale_to_utf8(longstr, -1, NULL, NULL, NULL);
+	dbusmenu_menuitem_property_set(date, DBUSMENU_MENUITEM_PROP_LABEL, utf8);
+	g_free(utf8);
+
+	return FALSE;
+}
+
+/* Run a particular program based on an activation */
+static void
+activate_cb (DbusmenuMenuitem * menuitem, guint timestamp, const gchar *command)
+{
+	GError * error = NULL;
+
+	g_debug("Issuing command '%s'", command);
+	if (!g_spawn_command_line_async(command, &error)) {
+		g_warning("Unable to start %s: %s", (char *)command, error->message);
+		g_error_free(error);
+	}
+}
+
+/* Looks for the calendar application and enables the item if
+   we have one */
+static gboolean
+check_for_calendar (gpointer user_data)
+{
+	g_return_val_if_fail (calendar != NULL, FALSE);
+
+	gchar *evo = g_find_program_in_path("evolution");
+	if (evo != NULL) {
+		g_debug("Found the calendar application: %s", evo);
+		dbusmenu_menuitem_property_set_bool(calendar, DBUSMENU_MENUITEM_PROP_ENABLED, TRUE);
+		dbusmenu_menuitem_property_set_bool(calendar, DBUSMENU_MENUITEM_PROP_VISIBLE, TRUE);
+		g_free(evo);
+	} else {
+		g_debug("Unable to find calendar app.");
+		dbusmenu_menuitem_property_set_bool(calendar, DBUSMENU_MENUITEM_PROP_VISIBLE, FALSE);
+	}
+
+	return FALSE;
+}
+
+/* Looks for the time and date admin application and enables the
+   item we have one */
+static gboolean
+check_for_timeadmin (gpointer user_data)
+{
+	g_return_val_if_fail (settings != NULL, FALSE);
+
+	gchar * timeadmin = g_find_program_in_path("time-admin");
+	if (timeadmin != NULL) {
+		g_debug("Found the time-admin application: %s", timeadmin);
+		dbusmenu_menuitem_property_set_bool(settings, DBUSMENU_MENUITEM_PROP_ENABLED, TRUE);
+		g_free(timeadmin);
+	} else {
+		g_debug("Unable to find time-admin app.");
+		dbusmenu_menuitem_property_set_bool(settings, DBUSMENU_MENUITEM_PROP_ENABLED, FALSE);
+	}
+
+	return FALSE;
+}
+
+/* Does the work to build the default menu, really calls out
+   to other functions but this is the core to clean up the
+   main function. */
+static void
+build_menus (DbusmenuMenuitem * root)
+{
+	g_debug("Building Menus.");
+	if (date == NULL) {
+		date = dbusmenu_menuitem_new();
+		dbusmenu_menuitem_property_set     (date, DBUSMENU_MENUITEM_PROP_LABEL, _("No date yet..."));
+		dbusmenu_menuitem_property_set_bool(date, DBUSMENU_MENUITEM_PROP_ENABLED, FALSE);
+		dbusmenu_menuitem_child_append(root, date);
+
+		g_idle_add(update_datetime, NULL);
+		/* TODO: Set up updating daily */
+	}
+
+	if (calendar == NULL) {
+		calendar = dbusmenu_menuitem_new();
+		dbusmenu_menuitem_property_set     (calendar, DBUSMENU_MENUITEM_PROP_LABEL, _("Open Calendar"));
+		/* insensitive until we check for available apps */
+		dbusmenu_menuitem_property_set_bool(calendar, DBUSMENU_MENUITEM_PROP_ENABLED, FALSE);
+		g_signal_connect (G_OBJECT(calendar), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
+						  G_CALLBACK (activate_cb), "evolution -c calendar");
+		dbusmenu_menuitem_child_append(root, calendar);
+
+		g_idle_add(check_for_calendar, NULL);
+	}
+
+	DbusmenuMenuitem * separator = dbusmenu_menuitem_new();
+	dbusmenu_menuitem_property_set(separator, DBUSMENU_MENUITEM_PROP_TYPE, DBUSMENU_CLIENT_TYPES_SEPARATOR);
+	dbusmenu_menuitem_child_append(root, separator);
+
+	settings = dbusmenu_menuitem_new();
+	dbusmenu_menuitem_property_set     (settings, DBUSMENU_MENUITEM_PROP_LABEL, _("Set Time and Date..."));
+	/* insensitive until we check for available apps */
+	dbusmenu_menuitem_property_set_bool(settings, DBUSMENU_MENUITEM_PROP_ENABLED, FALSE);
+	g_signal_connect(G_OBJECT(settings), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(activate_cb), "time-admin");
+	dbusmenu_menuitem_child_append(root, settings);
+	g_idle_add(check_for_timeadmin, NULL);
+
+	return;
+}
+
+/* Repsonds to the service object saying it's time to shutdown.
+   It stops the mainloop. */
+static void 
+service_shutdown (IndicatorService * service, gpointer user_data)
+{
+	g_warning("Shutting down service!");
+	g_main_loop_quit(mainloop);
+	return;
+}
+
+/* Function to build everything up.  Entry point from asm. */
 int
 main (int argc, char ** argv)
 {
+	g_type_init();
+
+	/* Acknowledging the service init and setting up the interface */
+	service = indicator_service_new_version(SERVICE_NAME, SERVICE_VERSION);
+	g_signal_connect(service, INDICATOR_SERVICE_SIGNAL_SHUTDOWN, G_CALLBACK(service_shutdown), NULL);
+
+	/* Setting up i18n and gettext.  Apparently, we need
+	   all of these. */
+	setlocale (LC_ALL, "");
+	bindtextdomain (GETTEXT_PACKAGE, GNOMELOCALEDIR);
+	textdomain (GETTEXT_PACKAGE);
+
+	/* Building the base menu */
+	server = dbusmenu_server_new(MENU_OBJ);
+	root = dbusmenu_menuitem_new();
+	dbusmenu_server_set_root(server, root);
+	build_menus(root);
+
+	mainloop = g_main_loop_new(NULL, FALSE);
+	g_main_loop_run(mainloop);
+
+	g_object_unref(G_OBJECT(service));
+	g_object_unref(G_OBJECT(server));
+	g_object_unref(G_OBJECT(root));
 
 	return 0;
 }