/* Evolution calendar - Alarm notification service object
*
* Copyright (C) 2001 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 the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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 <libgnomevfs/gnome-vfs.h>
#include <cal-client/cal-client.h>
#include "alarm-notify.h"
#include "alarm-queue.h"
/* A loaded client */
typedef struct {
/* The actual client */
CalClient *client;
/* The URI of the client in gnome-vfs's format. This *is* the key that
* is stored in the uri_client_hash hash table below.
*/
GnomeVFSURI *uri;
/* Number of times clients have requested this URI to be added to the
* alarm notification system.
*/
int refcount;
} LoadedClient;
/* Private part of the AlarmNotify structure */
struct _AlarmNotifyPrivate {
/* Mapping from GnomeVFSURIs to LoadedClient structures */
GHashTable *uri_client_hash;
};
static void alarm_notify_class_init (AlarmNotifyClass *class);
static void alarm_notify_init (AlarmNotify *an);
static void alarm_notify_destroy (GtkObject *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 void AlarmNotify_die (PortableServer_Servant servant,
CORBA_Environment *ev);
static BonoboXObjectClass *parent_class;
BONOBO_X_TYPE_FUNC_FULL (AlarmNotify,
GNOME_Evolution_Calendar_AlarmNotify,
BONOBO_X_OBJECT_TYPE,
alarm_notify);
/* Class initialization function for the alarm notify service */
static void
alarm_notify_class_init (AlarmNotifyClass *class)
{
GtkObjectClass *object_class;
object_class = (GtkObjectClass *) class;
parent_class = gtk_type_class (BONOBO_X_OBJECT_TYPE);
class->epv.addCalendar = AlarmNotify_addCalendar;
class->epv.removeCalendar = AlarmNotify_removeCalendar;
class->epv.die = AlarmNotify_die;
object_class->destroy = alarm_notify_destroy;
}
/* Object initialization function for the alarm notify system */
static void
alarm_notify_init (AlarmNotify *an)
{
AlarmNotifyPrivate *priv;
priv = g_new0 (AlarmNotifyPrivate, 1);
an->priv = priv;
priv->uri_client_hash = g_hash_table_new (gnome_vfs_uri_hash, gnome_vfs_uri_hequal);
}
/* Callback used from g_hash-table_forach(), used to destroy a loade client */
static void
destroy_loaded_client_cb (gpointer key, gpointer value, gpointer data)
{
LoadedClient *lc;
lc = value;
gtk_object_unref (GTK_OBJECT (lc->client));
gnome_vfs_uri_unref (lc->uri);
g_free (lc);
}
/* Destroy handler for the alarm notify system */
static void
alarm_notify_destroy (GtkObject *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_foreach (priv->uri_client_hash, destroy_loaded_client_cb, NULL);
g_hash_table_destroy (priv->uri_client_hash);
priv->uri_client_hash = NULL;
g_free (priv);
an->priv = NULL;
if (GTK_OBJECT_CLASS (parent_class)->destroy)
(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}
/* CORBA servant implementation */
/* AlarmNotify::addCalendar method */
static void
AlarmNotify_addCalendar (PortableServer_Servant servant,
const CORBA_char *str_uri,
CORBA_Environment *ev)
{
AlarmNotify *an;
AlarmNotifyPrivate *priv;
GnomeVFSURI *uri;
CalClient *client;
LoadedClient *lc;
an = ALARM_NOTIFY (bonobo_object_from_servant (servant));
priv = an->priv;
uri = gnome_vfs_uri_new (str_uri);
if (!uri) {
CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
ex_GNOME_Evolution_Calendar_AlarmNotify_InvalidURI,
NULL);
return;
}
lc = g_hash_table_lookup (priv->uri_client_hash, uri);
if (lc) {
gnome_vfs_uri_unref (uri);
g_assert (lc->refcount > 0);
lc->refcount++;
return;
}
client = cal_client_new ();
if (client) {
if (cal_client_open_calendar (client, str_uri, FALSE)) {
lc = g_new (LoadedClient, 1);
lc->client = client;
lc->uri = uri;
lc->refcount = 1;
g_hash_table_insert (priv->uri_client_hash, uri, lc);
alarm_queue_add_client (client);
} else {
gtk_object_unref (GTK_OBJECT (client));
client = NULL;
}
}
if (!client) {
gnome_vfs_uri_unref (uri);
CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
ex_GNOME_Evolution_Calendar_AlarmNotify_BackendContactError,
NULL);
return;
}
}
/* AlarmNotify::removeCalendar method */
static void
AlarmNotify_removeCalendar (PortableServer_Servant servant,
const CORBA_char *str_uri,
CORBA_Environment *ev)
{
AlarmNotify *an;
AlarmNotifyPrivate *priv;
LoadedClient *lc;
GnomeVFSURI *uri;
an = ALARM_NOTIFY (bonobo_object_from_servant (servant));
priv = an->priv;
uri = gnome_vfs_uri_new (str_uri);
if (!uri) {
CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
ex_GNOME_Evolution_Calendar_AlarmNotify_InvalidURI,
NULL);
return;
}
lc = g_hash_table_lookup (priv->uri_client_hash, uri);
gnome_vfs_uri_unref (uri);
if (!lc) {
CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
ex_GNOME_Evolution_Calendar_AlarmNotify_NotFound,
NULL);
return;
}
g_assert (lc->refcount > 0);
lc->refcount--;
if (lc->refcount > 0)
return;
g_hash_table_remove (priv->uri_client_hash, lc->uri);
gtk_object_unref (GTK_OBJECT (lc->client));
gnome_vfs_uri_unref (lc->uri);
g_free (lc);
}
static void
AlarmNotify_die (PortableServer_Servant servant,
CORBA_Environment *ev)
{
AlarmNotify *an;
AlarmNotifyPrivate *priv;
an = ALARM_NOTIFY (bonobo_object_from_servant (servant));
priv = an->priv;
/* FIXME */
}
/**
* 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 = gtk_type_new (TYPE_ALARM_NOTIFY);
return an;
}
