/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- *
* 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 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 <bonobo/bonobo-main.h>
#include <libedataserver/e-url.h>
#include <libedataserverui/e-passwords.h>
#include <libecal/e-cal.h>
#include "alarm-notify.h"
#include "alarm-queue.h"
#include "config-data.h"
#include "common/authentication.h"
/* Private part of the AlarmNotify structure */
struct _AlarmNotifyPrivate {
/* Mapping from EUri's to LoadedClient structures */
/* FIXME do we need per source type uri hashes? or perhaps we
just need to hash based on source */
GHashTable *uri_client_hash [E_CAL_SOURCE_TYPE_LAST];
ESourceList *source_lists [E_CAL_SOURCE_TYPE_LAST];
GMutex *mutex;
};
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 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);
object_class->finalize = alarm_notify_finalize;
}
typedef struct {
AlarmNotify *an;
ESourceList *source_list;
GList *removals;
} ProcessRemovalsData;
static void
process_removal_in_hash (gpointer key, gpointer value, gpointer data)
{
char *uri = key;
ProcessRemovalsData *prd = data;
GSList *groups, *sources, *p, *q;
gboolean found = FALSE;
/* search the list of selected calendars */
groups = e_source_list_peek_groups (prd->source_list);
for (p = groups; p != NULL; p = p->next) {
ESourceGroup *group = E_SOURCE_GROUP (p->data);
sources = e_source_group_peek_sources (group);
for (q = sources; q != NULL; q = q->next) {
ESource *source = E_SOURCE (q->data);
char *source_uri;
source_uri = e_source_get_uri (source);
if (strcmp (source_uri, uri) == 0)
found = TRUE;
g_free (source_uri);
if (found)
return;
}
}
/* not found, so list it for removal */
prd->removals = g_list_prepend (prd->removals, uri);
}
static void
list_changed_cb (ESourceList *source_list, gpointer data)
{
AlarmNotify *an = data;
AlarmNotifyPrivate *priv;
GSList *groups, *sources, *p, *q;
ECalSourceType source_type = E_CAL_SOURCE_TYPE_LAST;
ProcessRemovalsData prd;
GList *l;
int i;
priv = an->priv;
/* Figure out the source type */
for (i = 0; i < E_CAL_SOURCE_TYPE_LAST; i++) {
if (source_list == priv->source_lists[i]) {
source_type = i;
break;
}
}
if (source_type == E_CAL_SOURCE_TYPE_LAST)
return;
/* process the additions */
groups = e_source_list_peek_groups (source_list);
for (p = groups; p != NULL; p = p->next) {
ESourceGroup *group = E_SOURCE_GROUP (p->data);
sources = e_source_group_peek_sources (group);
for (q = sources; q != NULL; q = q->next) {
ESource *source = E_SOURCE (q->data);
char *uri;
uri = e_source_get_uri (source);
if (!g_hash_table_lookup (priv->uri_client_hash[source_type], uri)) {
g_message ("Adding %s", uri);
alarm_notify_add_calendar (an, source_type, source, FALSE);
}
g_free (uri);
}
}
/* process the removals */
prd.an = an;
prd.source_list = priv->source_lists[source_type];
prd.removals = NULL;
g_hash_table_foreach (priv->uri_client_hash[source_type], (GHFunc) process_removal_in_hash, &prd);
for (l = prd.removals; l; l = l->next) {
g_message ("Removing %s", (char *)l->data);
alarm_notify_remove_calendar (an, source_type, l->data);
}
g_list_free (prd.removals);
}
static void
load_calendars (AlarmNotify *an, ECalSourceType source_type)
{
AlarmNotifyPrivate *priv;
ESourceList *source_list;
GSList *groups, *sources, *p, *q;
priv = an->priv;
if (!e_cal_get_sources (&source_list, source_type, NULL)) {
g_message (G_STRLOC ": Could not get the list of sources to load");
priv->source_lists[source_type] = NULL;
return;
}
groups = e_source_list_peek_groups (source_list);
for (p = groups; p != NULL; p = p->next) {
ESourceGroup *group = E_SOURCE_GROUP (p->data);
sources = e_source_group_peek_sources (group);
for (q = sources; q != NULL; q = q->next) {
ESource *source = E_SOURCE (q->data);
char *uri;
uri = e_source_get_uri (source);
g_message ("Loading %s", uri);
alarm_notify_add_calendar (an, source_type, source, FALSE);
g_free (uri);
}
}
g_signal_connect_object (source_list, "changed", G_CALLBACK (list_changed_cb), an, 0);
priv->source_lists[source_type] = source_list;
}
static gboolean
load_calendars_cb (gpointer data)
{
int i;
AlarmNotify *an = ALARM_NOTIFY (data);
for (i = 0; i < E_CAL_SOURCE_TYPE_LAST; i++) {
if (an->priv->source_lists[i])
list_changed_cb (an->priv->source_lists[i], an);
}
return FALSE;
}
/* Object initialization function for the alarm notify system */
static void
alarm_notify_init (AlarmNotify *an, AlarmNotifyClass *klass)
{
AlarmNotifyPrivate *priv;
int i;
priv = g_new0 (AlarmNotifyPrivate, 1);
an->priv = priv;
priv->mutex = g_mutex_new ();
for (i = 0; i < E_CAL_SOURCE_TYPE_LAST; i++)
priv->uri_client_hash[i] = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_object_unref);
alarm_queue_init ();
for (i = 0; i < E_CAL_SOURCE_TYPE_LAST; i++)
load_calendars (an, i);
g_timeout_add (60000, (GSourceFunc)load_calendars_cb, an);
}
static void
dequeue_client (gpointer key, gpointer value, gpointer user_data)
{
ECal *client = value;
alarm_queue_remove_client (client);
}
/* Finalize handler for the alarm notify system */
static void
alarm_notify_finalize (GObject *object)
{
AlarmNotify *an;
AlarmNotifyPrivate *priv;
int i;
g_return_if_fail (object != NULL);
g_return_if_fail (IS_ALARM_NOTIFY (object));
an = ALARM_NOTIFY (object);
priv = an->priv;
for (i = 0; i < E_CAL_SOURCE_TYPE_LAST; i++) {
g_hash_table_foreach (priv->uri_client_hash[i], dequeue_client, NULL);
g_hash_table_destroy (priv->uri_client_hash[i]);
}
alarm_queue_done ();
g_mutex_free (priv->mutex);
g_free (priv);
if (G_OBJECT_CLASS (parent_class)->finalize)
(* G_OBJECT_CLASS (parent_class)->finalize) (object);
}
/**
* 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,
"poa", bonobo_poa_get_threaded (ORBIT_THREAD_HINT_PER_REQUEST, NULL),
NULL);
return an;
}
static void
cal_opened_cb (ECal *client, ECalendarStatus status, gpointer user_data)
{
AlarmNotifyPrivate *priv;
AlarmNotify *an = ALARM_NOTIFY (user_data);
priv = an->priv;
if (status == E_CALENDAR_STATUS_OK)
alarm_queue_add_client (client);
else {
g_hash_table_remove (priv->uri_client_hash[e_cal_get_source_type (client)],
e_cal_get_uri (client));
g_signal_handlers_disconnect_matched (G_OBJECT (client), G_SIGNAL_MATCH_DATA,
0, 0, NULL, NULL, 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.
*
* 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, ECalSourceType source_type, ESource *source, gboolean load_afterwards)
{
AlarmNotifyPrivate *priv;
ECal *client;
char *str_uri;
g_return_if_fail (an != NULL);
g_return_if_fail (IS_ALARM_NOTIFY (an));
priv = an->priv;
str_uri = e_source_get_uri (source);
g_mutex_lock (an->priv->mutex);
/* See if we already know about this uri */
if (g_hash_table_lookup (priv->uri_client_hash[source_type], str_uri)) {
g_mutex_unlock (an->priv->mutex);
g_free (str_uri);
return;
}
/* if loading of this requires password and password is not currently availble in e-password
session skip this source loading. we do not really want to prompt for auth from alarm dameon*/
if ((e_source_get_property (source, "auth") &&
(!e_passwords_get_password (e_source_get_property(source, "auth-domain"), str_uri)))) {
g_mutex_unlock (an->priv->mutex);
g_free (str_uri);
return;
}
client = auth_new_cal_from_source (source, source_type);
if (client) {
g_hash_table_insert (priv->uri_client_hash[source_type], g_strdup (str_uri), client);
g_signal_connect (G_OBJECT (client), "cal_opened", G_CALLBACK (cal_opened_cb), an);
e_cal_open_async (client, FALSE);
}
g_free (str_uri);
g_mutex_unlock (an->priv->mutex);
}
void
alarm_notify_remove_calendar (AlarmNotify *an, ECalSourceType source_type, const char *str_uri)
{
AlarmNotifyPrivate *priv;
ECal *client;
priv = an->priv;
client = g_hash_table_lookup (priv->uri_client_hash[source_type], str_uri);
if (client) {
alarm_queue_remove_client (client);
g_hash_table_remove (priv->uri_client_hash[source_type], str_uri);
}
}
