path: root/calendar/gui/alarm-notify/notify-main.c

/* Evolution calendar - Alarm notification service main file
 *
 * Copyright (C) 2000 Ximian, Inc.
 *
 * Author: Federico Mena-Quintero <federico@ximian.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General Public
 * License 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 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <string.h>
#include <glib.h>
#include <libgnome/gnome-i18n.h>
#include <libgnome/gnome-init.h>
#include <libgnomeui/gnome-client.h>
#include <libgnomevfs/gnome-vfs-init.h>
#include <glade/glade.h>
#include <bonobo/bonobo-main.h>
#include <bonobo/bonobo-generic-factory.h>
#include <bonobo-activation/bonobo-activation.h>
#include <gtk/gtkmain.h>
#include "alarm.h"
#include "alarm-queue.h"
#include "alarm-notify.h"
#include "save.h"



static GnomeClient *master_client = NULL;

static BonoboGenericFactory *factory;

static AlarmNotify *alarm_notify_service = NULL;


/* Callback for the master client's "die" signal.  We must terminate the daemon
 * since the session is ending.
 */
static void
client_die_cb (GnomeClient *client)
{
    gtk_main_quit ();
}

/* Sees if a session manager is present.  If so, it tells the SM how to restart
 * the daemon when the session starts.  It also sets the die callback so that
 * the daemon can terminate properly when the session ends.
 */
static void
set_session_parameters (char **argv)
{
    int flags;
    char *args[2];

    master_client = gnome_master_client ();
    flags = gnome_client_get_flags (master_client);

    if (!(flags & GNOME_CLIENT_IS_CONNECTED))
        return;

    /* The daemon should always be started up by the session manager when
     * the session starts.  The daemon will take care of loading whatever
     * calendars it was told to load.
     */
    gnome_client_set_restart_style (master_client, GNOME_RESTART_ANYWAY);

    args[0] = argv[0];
    args[1] = NULL;

    gnome_client_set_restart_command (master_client, 1, args);

    g_signal_connect (G_OBJECT (master_client), "die",
              G_CALLBACK (client_die_cb), NULL);
}

/* Factory function for the alarm notify service; just creates and references a
 * singleton service object.
 */
static BonoboObject *
alarm_notify_factory_fn (BonoboGenericFactory *factory, const char *component_id, void *data)
{
    if (!alarm_notify_service) {
        alarm_notify_service = alarm_notify_new ();
        g_assert (alarm_notify_service != NULL);
    }

    bonobo_object_ref (BONOBO_OBJECT (alarm_notify_service));
    return BONOBO_OBJECT (alarm_notify_service);
}

/* Loads the calendars that the alarm daemon has been told to load in the past */
static gboolean
load_calendars (gpointer user_data)
{
    GPtrArray *uris;
    int i;

    alarm_queue_init ();

    /* create the alarm notification service */
    if (!alarm_notify_service) {
        alarm_notify_service = alarm_notify_new ();
        g_assert (alarm_notify_service != NULL);
    }

    uris = get_calendars_to_load ();
    if (!uris) {
        g_message ("load_calendars(): Could not get the list of calendars to load");
        return TRUE; /* should we continue retrying? */;
    }

    for (i = 0; i < uris->len; i++) {
        char *uri;
        CORBA_Environment ev;

        uri = uris->pdata[i];

        CORBA_exception_init (&ev);
        alarm_notify_add_calendar (alarm_notify_service, uri, FALSE, &ev);

        if (ev._major == CORBA_USER_EXCEPTION) {
            char *ex_id;
            
            ex_id = CORBA_exception_id (&ev);
            if (strcmp (ex_id, ex_GNOME_Evolution_Calendar_AlarmNotify_InvalidURI) == 0)
                g_message ("load_calendars(): Invalid URI `%s'; will not load "
                       "that calendar.", uri);
            else if (strcmp (ex_id,
                     ex_GNOME_Evolution_Calendar_AlarmNotify_BackendContactError)
                 == 0)
                g_message ("load_calendars(): Could not contact the backend "
                       "while trying to load `%s'", uri);
        } else if (ev._major != CORBA_NO_EXCEPTION)
            g_message ("load_calendars(): Exception while loading calendar `%s'", uri);

        CORBA_exception_free (&ev);

        g_free (uri);
    }

    g_ptr_array_free (uris, TRUE);

    return FALSE;
}

int
main (int argc, char **argv)
{
    bindtextdomain (GETTEXT_PACKAGE, EVOLUTION_LOCALEDIR);
    textdomain (GETTEXT_PACKAGE);

    gnome_program_init ("evolution-alarm-notify", VERSION, LIBGNOME_MODULE, argc, argv, NULL);
    gtk_init (&argc, &argv);

    if (bonobo_init (&argc, argv) == FALSE)
        g_error (_("Could not initialize Bonobo"));

    if (!gnome_vfs_init ())
        g_error (_("Could not initialize gnome-vfs"));

    glade_init ();

    factory = bonobo_generic_factory_new ("OAFIID:GNOME_Evolution_Calendar_AlarmNotify_Factory",
                          (BonoboFactoryCallback) alarm_notify_factory_fn, NULL);
    if (!factory)
        g_error (_("Could not create the alarm notify service factory"));

    set_session_parameters (argv);

    g_idle_add ((GSourceFunc) load_calendars, NULL);

    bonobo_main ();

    bonobo_object_unref (BONOBO_OBJECT (factory));
    factory = NULL;

    /* FIXME: free the alarm_notify_service */

    alarm_queue_done ();
    alarm_done ();

    gnome_vfs_shutdown ();

    return 0;
}