/* Evolution calendar - Alarm notification service object * * Copyright (C) 2001 Ximian, Inc. * * Author: Federico Mena-Quintero * * 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 #include #include "alarm-notify.h" #include "alarm-queue.h" #include "save.h" #include "e-util/e-url.h" /* Private part of the AlarmNotify structure */ struct _AlarmNotifyPrivate { /* Mapping from EUri's to LoadedClient structures */ GHashTable *uri_client_hash; }; static void alarm_notify_class_init (AlarmNotifyClass *klass); static void alarm_notify_init (AlarmNotify *an, AlarmNotifyClass *klass); static void alarm_notify_finalize (GObject *object); static void AlarmNotify_addCalendar (PortableServer_Servant servant, const CORBA_char *str_uri, CORBA_Environment *ev); static void AlarmNotify_removeCalendar (PortableServer_Servant servant, const CORBA_char *str_uri, CORBA_Environment *ev); static BonoboObjectClass *parent_class; BONOBO_TYPE_FUNC_FULL (AlarmNotify, GNOME_Evolution_Calendar_AlarmNotify, BONOBO_TYPE_OBJECT, alarm_notify); /* Class initialization function for the alarm notify service */ static void alarm_notify_class_init (AlarmNotifyClass *klass) { GObjectClass *object_class; object_class = (GObjectClass *) klass; parent_class = g_type_class_peek_parent (klass); klass->epv.addCalendar = AlarmNotify_addCalendar; klass->epv.removeCalendar = AlarmNotify_removeCalendar; object_class->finalize = alarm_notify_finalize; } /* Object initialization function for the alarm notify system */ static void alarm_notify_init (AlarmNotify *an, AlarmNotifyClass *klass) { AlarmNotifyPrivate *priv; priv = g_new0 (AlarmNotifyPrivate, 1); an->priv = priv; priv->uri_client_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_object_unref); } /* Finalize handler for the alarm notify system */ static void alarm_notify_finalize (GObject *object) { AlarmNotify *an; AlarmNotifyPrivate *priv; g_return_if_fail (object != NULL); g_return_if_fail (IS_ALARM_NOTIFY (object)); an = ALARM_NOTIFY (object); priv = an->priv; g_hash_table_destroy (priv->uri_client_hash); g_free (priv); if (G_OBJECT_CLASS (parent_class)->finalize) (* G_OBJECT_CLASS (parent_class)->finalize) (object); } /* CORBA servant implementation */ /* Looks for a canonicalized URI inside an array of URIs; returns the index * within the array or -1 if not found. */ static int find_uri_index (GPtrArray *uris, const char *str_uri) { int i; for (i = 0; i < uris->len; i++) { char *uri; uri = uris->pdata[i]; if (strcmp (uri, str_uri) == 0) break; } if (i == uris->len) return -1; else return i; } /* Frees an array of URIs and the URIs within it. */ static void free_uris (GPtrArray *uris) { int i; for (i = 0; i < uris->len; i++) { char *uri; uri = uris->pdata[i]; g_free (uri); } g_ptr_array_free (uris, TRUE); } /* Adds an URI to the list of calendars to load on startup */ static void add_uri_to_load (const char *str_uri) { GPtrArray *loaded_uris; int i; loaded_uris = get_calendars_to_load (); if (!loaded_uris) { g_message ("add_uri_to_load(): Could not get the list of calendars to load; " "will not add `%s'", str_uri); return; } /* Look for the URI in the list of calendars to load */ i = find_uri_index (loaded_uris, str_uri); /* We only need to add the URI if we didn't find it among the list of * calendars. */ if (i != -1) { free_uris (loaded_uris); return; } g_ptr_array_add (loaded_uris, g_strdup (str_uri)); save_calendars_to_load (loaded_uris); free_uris (loaded_uris); } /* Removes an URI from the list of calendars to load on startup */ static void remove_uri_to_load (const char *str_uri) { GPtrArray *loaded_uris; char *loaded_uri; int i; loaded_uris = get_calendars_to_load (); if (!loaded_uris) { g_message ("remove_uri_to_load(): Could not get the list of calendars to load; " "will not add `%s'", str_uri); return; } /* Look for the URI in the list of calendars to load */ i = find_uri_index (loaded_uris, str_uri); /* If we didn't find it, there is no need to remove it */ if (i == -1) { free_uris (loaded_uris); return; } loaded_uri = loaded_uris->pdata[i]; g_free (loaded_uri); g_ptr_array_remove_index (loaded_uris, i); save_calendars_to_load (loaded_uris); free_uris (loaded_uris); } /* AlarmNotify::addCalendar method */ static void AlarmNotify_addCalendar (PortableServer_Servant servant, const CORBA_char *str_uri, CORBA_Environment *ev) { AlarmNotify *an; an = ALARM_NOTIFY (bonobo_object_from_servant (servant)); alarm_notify_add_calendar (an, str_uri, TRUE, ev); } /* AlarmNotify::removeCalendar method */ static void AlarmNotify_removeCalendar (PortableServer_Servant servant, const CORBA_char *str_uri, CORBA_Environment *ev) { AlarmNotify *an; AlarmNotifyPrivate *priv; CalClient *client; an = ALARM_NOTIFY (bonobo_object_from_servant (servant)); priv = an->priv; client = g_hash_table_lookup (priv->uri_client_hash, str_uri); if (client) { alarm_queue_remove_client (client); g_hash_table_remove (priv->uri_client_hash, str_uri); } remove_uri_to_load (str_uri); } /** * alarm_notify_new: * * Creates a new #AlarmNotify object. * * Return value: A newly-created #AlarmNotify, or NULL if its corresponding * CORBA object could not be created. **/ AlarmNotify * alarm_notify_new (void) { AlarmNotify *an; an = g_object_new (TYPE_ALARM_NOTIFY, NULL); return an; } /** * alarm_notify_add_calendar: * @an: An alarm notification service. * @uri: URI of the calendar to load. * @load_afterwards: Whether this calendar should be loaded in the future * when the alarm daemon starts up. * @ev: CORBA environment for exceptions. * * Tells the alarm notification service to load a calendar and start monitoring * its alarms. It can optionally be made to save the URI of this calendar so * that it can be loaded in the future when the alarm daemon starts up. **/ void alarm_notify_add_calendar (AlarmNotify *an, const char *str_uri, gboolean load_afterwards, CORBA_Environment *ev) { AlarmNotifyPrivate *priv; CalClient *client; g_return_if_fail (an != NULL); g_return_if_fail (IS_ALARM_NOTIFY (an)); g_return_if_fail (str_uri != NULL); g_return_if_fail (ev != NULL); priv = an->priv; /* See if we already know about this uri */ if (g_hash_table_lookup (priv->uri_client_hash, str_uri)) return; client = cal_client_new (str_uri, CALOBJ_TYPE_EVENT); if (client) { if (cal_client_open (client, FALSE, NULL)) { add_uri_to_load (str_uri); g_hash_table_insert (priv->uri_client_hash, g_strdup (str_uri), client); } } else { CORBA_exception_set (ev, CORBA_USER_EXCEPTION, ex_GNOME_Evolution_Calendar_AlarmNotify_BackendContactError, NULL); return; } }