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-rw-r--r--calendar/gui/alarm-notify/alarm-queue.c1031
1 files changed, 0 insertions, 1031 deletions
diff --git a/calendar/gui/alarm-notify/alarm-queue.c b/calendar/gui/alarm-notify/alarm-queue.c
deleted file mode 100644
index fd22649e71..0000000000
--- a/calendar/gui/alarm-notify/alarm-queue.c
+++ /dev/null
@@ -1,1031 +0,0 @@
-/* Evolution calendar - Alarm queueing engine
- *
- * Copyright (C) 2001 Ximian, Inc.
- *
- * Authors: 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 <glib.h>
-#include <liboaf/liboaf.h>
-#include <bonobo/bonobo-object.h>
-#include <gtk/gtksignal.h>
-#include <gtk/gtkbox.h>
-#include <gtk/gtklabel.h>
-#include <gtk/gtkcheckbutton.h>
-#include <libgnome/gnome-defs.h>
-#include <libgnome/gnome-i18n.h>
-#include <libgnome/gnome-exec.h>
-#include <libgnome/gnome-sound.h>
-#include <libgnomeui/gnome-dialog.h>
-#include <libgnomeui/gnome-dialog-util.h>
-#include <libgnomeui/gnome-dialog.h>
-#include <libgnomeui/gnome-stock.h>
-#include <libgnomeui/gnome-uidefs.h>
-#include <cal-util/timeutil.h>
-#include "alarm.h"
-#include "alarm-notify-dialog.h"
-#include "alarm-queue.h"
-#include "config-data.h"
-#include "save.h"
-
-
-
-/* Whether the queueing system has been initialized */
-static gboolean alarm_queue_inited;
-
-/* When the alarm queue system is inited, this gets set to the last time an
- * alarm notification was issued. This lets us present any notifications that
- * should have happened while the alarm daemon was not running.
- */
-static time_t saved_notification_time;
-
-/* Clients we are monitoring for alarms */
-static GHashTable *client_alarms_hash = NULL;
-
-/* Structure that stores a client we are monitoring */
-typedef struct {
- /* Monitored client */
- CalClient *client;
-
- /* Number of times this client has been registered */
- int refcount;
-
- /* Hash table of component UID -> CompQueuedAlarms. If an element is
- * present here, then it means its cqa->queued_alarms contains at least
- * one queued alarm. When all the alarms for a component have been
- * dequeued, the CompQueuedAlarms structure is removed from the hash
- * table. Thus a CQA exists <=> it has queued alarms.
- */
- GHashTable *uid_alarms_hash;
-} ClientAlarms;
-
-/* Pair of a CalComponentAlarms and the mapping from queued alarm IDs to the
- * actual alarm instance structures.
- */
-typedef struct {
- /* The parent client alarms structure */
- ClientAlarms *parent_client;
-
- /* The actual component and its alarm instances */
- CalComponentAlarms *alarms;
-
- /* List of QueuedAlarm structures */
- GSList *queued_alarms;
-} CompQueuedAlarms;
-
-/* Pair of a queued alarm ID and the alarm trigger instance it refers to */
-typedef struct {
- /* Alarm ID from alarm.h */
- gpointer alarm_id;
-
- /* Instance from our parent CompQueuedAlarms->alarms->alarms list */
- CalAlarmInstance *instance;
-
- /* Whether this is a snoozed queued alarm or a normal one */
- guint snooze : 1;
-} QueuedAlarm;
-
-/* Alarm ID for the midnight refresh function */
-static gpointer midnight_refresh_id = NULL;
-
-static void display_notification (time_t trigger, CompQueuedAlarms *cqa,
- gpointer alarm_id, gboolean use_description);
-static void audio_notification (time_t trigger, CompQueuedAlarms *cqa, gpointer alarm_id);
-static void mail_notification (time_t trigger, CompQueuedAlarms *cqa, gpointer alarm_id);
-static void procedure_notification (time_t trigger, CompQueuedAlarms *cqa, gpointer alarm_id);
-
-
-
-/* Alarm queue engine */
-
-static void load_alarms_for_today (ClientAlarms *ca);
-static void midnight_refresh_cb (gpointer alarm_id, time_t trigger, gpointer data);
-
-/* Queues an alarm trigger for midnight so that we can load the next day's worth
- * of alarms.
- */
-static void
-queue_midnight_refresh (void)
-{
- time_t midnight;
- icaltimezone *zone;
-
- g_assert (midnight_refresh_id == NULL);
-
- zone = config_data_get_timezone ();
-
- midnight = time_day_end_with_zone (time (NULL), zone);
-
- midnight_refresh_id = alarm_add (midnight, midnight_refresh_cb, NULL, NULL);
- if (!midnight_refresh_id) {
- g_message ("queue_midnight_refresh(): Could not set up the midnight refresh alarm!");
- /* FIXME: what to do? */
- }
-}
-
-/* Loads a client's alarms; called from g_hash_table_foreach() */
-static void
-add_client_alarms_cb (gpointer key, gpointer value, gpointer data)
-{
- ClientAlarms *ca;
-
- ca = value;
- load_alarms_for_today (ca);
-}
-
-/* Loads the alarms for the new day every midnight */
-static void
-midnight_refresh_cb (gpointer alarm_id, time_t trigger, gpointer data)
-{
- /* Re-load the alarms for all clients */
-
- g_hash_table_foreach (client_alarms_hash, add_client_alarms_cb, NULL);
-
- /* Re-schedule the midnight update */
-
- midnight_refresh_id = NULL;
- queue_midnight_refresh ();
-}
-
-/* Looks up a client in the client alarms hash table */
-static ClientAlarms *
-lookup_client (CalClient *client)
-{
- return g_hash_table_lookup (client_alarms_hash, client);
-}
-
-/* Looks up a queued alarm based on its alarm ID */
-static QueuedAlarm *
-lookup_queued_alarm (CompQueuedAlarms *cqa, gpointer alarm_id)
-{
- GSList *l;
- QueuedAlarm *qa;
-
- qa = NULL;
-
- for (l = cqa->queued_alarms; l; l = l->next) {
- qa = l->data;
- if (qa->alarm_id == alarm_id)
- break;
- }
-
- g_assert (l != NULL);
- return qa;
-}
-
-/* Removes an alarm from the list of alarms of a component. If the alarm was
- * the last one listed for the component, it removes the component itself.
- */
-static void
-remove_queued_alarm (CompQueuedAlarms *cqa, gpointer alarm_id)
-{
- QueuedAlarm *qa;
- const char *uid;
- GSList *l;
-
- qa = NULL;
-
- for (l = cqa->queued_alarms; l; l = l->next) {
- qa = l->data;
- if (qa->alarm_id == alarm_id)
- break;
- }
-
- g_assert (l != NULL);
-
- cqa->queued_alarms = g_slist_remove_link (cqa->queued_alarms, l);
- g_slist_free_1 (l);
-
- g_free (qa);
-
- /* If this was the last queued alarm for this component, remove the
- * component itself.
- */
-
- if (cqa->queued_alarms != NULL)
- return;
-
- cal_component_get_uid (cqa->alarms->comp, &uid);
- g_hash_table_remove (cqa->parent_client->uid_alarms_hash, uid);
- cqa->parent_client = NULL;
-
- cal_component_alarms_free (cqa->alarms);
- cqa->alarms = NULL;
-
- g_free (cqa);
-}
-
-/* Callback used when an alarm triggers */
-static void
-alarm_trigger_cb (gpointer alarm_id, time_t trigger, gpointer data)
-{
- CompQueuedAlarms *cqa;
- CalComponent *comp;
- QueuedAlarm *qa;
- CalComponentAlarm *alarm;
- CalAlarmAction action;
-
- cqa = data;
- comp = cqa->alarms->comp;
-
- save_notification_time (trigger);
-
- qa = lookup_queued_alarm (cqa, alarm_id);
-
- /* Decide what to do based on the alarm action. We use the trigger that
- * is passed to us instead of the one from the instance structure
- * because this may be a snoozed alarm instead of an original
- * occurrence.
- */
-
- alarm = cal_component_get_alarm (comp, qa->instance->auid);
- g_assert (alarm != NULL);
-
- cal_component_alarm_get_action (alarm, &action);
- cal_component_alarm_free (alarm);
-
- switch (action) {
- case CAL_ALARM_AUDIO:
- audio_notification (trigger, cqa, alarm_id);
- break;
-
- case CAL_ALARM_DISPLAY:
- display_notification (trigger, cqa, alarm_id, TRUE);
- break;
-
- case CAL_ALARM_EMAIL:
- mail_notification (trigger, cqa, alarm_id);
- break;
-
- case CAL_ALARM_PROCEDURE:
- procedure_notification (trigger, cqa, alarm_id);
- break;
-
- default:
- g_assert_not_reached ();
- break;
- }
-}
-
-/* Adds the alarms in a CalComponentAlarms structure to the alarms queued for a
- * particular client. Also puts the triggers in the alarm timer queue.
- */
-static void
-add_component_alarms (ClientAlarms *ca, CalComponentAlarms *alarms)
-{
- const char *uid;
- CompQueuedAlarms *cqa;
- GSList *l;
-
- /* No alarms? */
- if (alarms->alarms == NULL) {
- cal_component_alarms_free (alarms);
- return;
- }
-
- cqa = g_new (CompQueuedAlarms, 1);
- cqa->parent_client = ca;
- cqa->alarms = alarms;
-
- cqa->queued_alarms = NULL;
-
- for (l = alarms->alarms; l; l = l->next) {
- CalAlarmInstance *instance;
- gpointer alarm_id;
- QueuedAlarm *qa;
-
- instance = l->data;
-
- alarm_id = alarm_add (instance->trigger, alarm_trigger_cb, cqa, NULL);
- if (!alarm_id) {
- g_message ("add_component_alarms(): Could not schedule a trigger for "
- "%ld, discarding...", (long) instance->trigger);
- continue;
- }
-
- qa = g_new (QueuedAlarm, 1);
- qa->alarm_id = alarm_id;
- qa->instance = instance;
- qa->snooze = FALSE;
-
- cqa->queued_alarms = g_slist_prepend (cqa->queued_alarms, qa);
- }
-
- cal_component_get_uid (alarms->comp, &uid);
-
- /* If we failed to add all the alarms, then we should get rid of the cqa */
- if (cqa->queued_alarms == NULL) {
- g_message ("add_component_alarms(): Could not add any of the alarms "
- "for the component `%s'; discarding it...", uid);
-
- cal_component_alarms_free (cqa->alarms);
- cqa->alarms = NULL;
-
- g_free (cqa);
- return;
- }
-
- cqa->queued_alarms = g_slist_reverse (cqa->queued_alarms);
- g_hash_table_insert (ca->uid_alarms_hash, (char *) uid, cqa);
-}
-
-/* Loads the alarms of a client for a given range of time */
-static void
-load_alarms (ClientAlarms *ca, time_t start, time_t end)
-{
- GSList *comp_alarms;
- GSList *l;
-
- comp_alarms = cal_client_get_alarms_in_range (ca->client, start, end);
-
- for (l = comp_alarms; l; l = l->next) {
- CalComponentAlarms *alarms;
-
- alarms = l->data;
- add_component_alarms (ca, alarms);
- }
-
- g_slist_free (comp_alarms);
-}
-
-/* Loads today's remaining alarms for a client */
-static void
-load_alarms_for_today (ClientAlarms *ca)
-{
- time_t now, day_end;
- icaltimezone *zone;
-
- now = time (NULL);
-
- zone = config_data_get_timezone ();
-
- day_end = time_day_end_with_zone (now, zone);
- load_alarms (ca, now, day_end);
-}
-
-/* Adds any alarms that should have occurred while the alarm daemon was not
- * running.
- */
-static void
-load_missed_alarms (ClientAlarms *ca)
-{
- time_t now;
-
- now = time (NULL);
-
- g_assert (saved_notification_time != -1);
-
- /* We add 1 to the saved_notification_time to make the time ranges
- * half-open; we do not want to display the "last" displayed alarm
- * twice, once when it occurs and once when the alarm daemon restarts.
- */
- load_alarms (ca, saved_notification_time + 1, now);
-}
-
-/* Called when a calendar client finished loading; we load its alarms */
-static void
-cal_opened_cb (CalClient *client, CalClientOpenStatus status, gpointer data)
-{
- ClientAlarms *ca;
-
- ca = data;
-
- if (status != CAL_CLIENT_OPEN_SUCCESS)
- return;
-
- load_alarms_for_today (ca);
- load_missed_alarms (ca);
-}
-
-/* Looks up a component's queued alarm structure in a client alarms structure */
-static CompQueuedAlarms *
-lookup_comp_queued_alarms (ClientAlarms *ca, const char *uid)
-{
- return g_hash_table_lookup (ca->uid_alarms_hash, uid);
-}
-
-/* Removes a component an its alarms */
-static void
-remove_comp (ClientAlarms *ca, const char *uid)
-{
- CompQueuedAlarms *cqa;
- GSList *l;
-
- cqa = lookup_comp_queued_alarms (ca, uid);
- if (!cqa)
- return;
-
- /* If a component is present, then it means we must have alarms queued
- * for it.
- */
- g_assert (cqa->queued_alarms != NULL);
-
- for (l = cqa->queued_alarms; l;) {
- QueuedAlarm *qa;
-
- qa = l->data;
-
- /* Get the next element here because the list element will go
- * away in remove_queued_alarm(). The qa will be freed there as
- * well.
- */
- l = l->next;
-
- alarm_remove (qa->alarm_id);
- remove_queued_alarm (cqa, qa->alarm_id);
- }
-
- /* The list should be empty now, and thus the queued component alarms
- * structure should have been freed and removed from the hash table.
- */
- g_assert (lookup_comp_queued_alarms (ca, uid) == NULL);
-}
-
-/* Called when a calendar component changes; we must reload its corresponding
- * alarms.
- */
-static void
-obj_updated_cb (CalClient *client, const char *uid, gpointer data)
-{
- ClientAlarms *ca;
- time_t now, day_end;
- CalComponentAlarms *alarms;
- gboolean found;
- icaltimezone *zone;
-
- ca = data;
-
- remove_comp (ca, uid);
-
- now = time (NULL);
-
- zone = config_data_get_timezone ();
-
- day_end = time_day_end_with_zone (now, zone);
-
- found = cal_client_get_alarms_for_object (ca->client, uid, now, day_end, &alarms);
-
- if (!found)
- return;
-
- add_component_alarms (ca, alarms);
-}
-
-/* Called when a calendar component is removed; we must delete its corresponding
- * alarms.
- */
-static void
-obj_removed_cb (CalClient *client, const char *uid, gpointer data)
-{
- ClientAlarms *ca;
-
- ca = data;
-
- remove_comp (ca, uid);
-}
-
-
-
-/* Notification functions */
-
-/* Creates a snooze alarm based on an existing one. The snooze offset is
- * compued with respect to the current time.
- */
-static void
-create_snooze (CompQueuedAlarms *cqa, gpointer alarm_id, int snooze_mins)
-{
- QueuedAlarm *orig_qa, *qa;
- CalAlarmInstance *instance;
- time_t t;
- gpointer new_id;
-
- orig_qa = lookup_queued_alarm (cqa, alarm_id);
-
- t = time (NULL);
- t += snooze_mins * 60;
-
- new_id = alarm_add (t, alarm_trigger_cb, cqa, NULL);
- if (!new_id) {
- g_message ("create_snooze(): Could not schedule a trigger for "
- "%ld, discarding...", (long) t);
- return;
- }
-
- instance = g_new (CalAlarmInstance, 1);
- instance->auid = orig_qa->instance->auid;
- instance->trigger = t;
- instance->occur_start = orig_qa->instance->occur_start;
- instance->occur_end = orig_qa->instance->occur_end;
-
- cqa->alarms->alarms = g_slist_prepend (cqa->alarms->alarms, instance);
-
- qa = g_new (QueuedAlarm, 1);
- qa->alarm_id = new_id;
- qa->instance = instance;
- qa->snooze = TRUE;
-
- cqa->queued_alarms = g_slist_prepend (cqa->queued_alarms, qa);
-}
-
-/* Launches a component editor for a component */
-static void
-edit_component (CompQueuedAlarms *cqa)
-{
- CalComponent *comp;
- const char *uid;
- const char *uri;
- CORBA_Environment ev;
- GNOME_Evolution_Calendar_CompEditorFactory factory;
-
- comp = cqa->alarms->comp;
- cal_component_get_uid (comp, &uid);
-
- uri = cal_client_get_uri (cqa->parent_client->client);
-
- /* Get the factory */
-
- CORBA_exception_init (&ev);
- factory = oaf_activate_from_id ("OAFIID:GNOME_Evolution_Calendar_CompEditorFactory",
- 0, NULL, &ev);
-
- if (ev._major != CORBA_NO_EXCEPTION) {
- g_message ("edit_component(): Could not activate the component editor factory");
- CORBA_exception_free (&ev);
- return;
- }
- CORBA_exception_free (&ev);
-
- /* Edit the component */
-
- CORBA_exception_init (&ev);
- GNOME_Evolution_Calendar_CompEditorFactory_editExisting (factory, uri, (char *) uid, &ev);
-
- if (ev._major != CORBA_NO_EXCEPTION)
- g_message ("edit_component(): Exception while editing the component");
-
- CORBA_exception_free (&ev);
-
- /* Get rid of the factory */
-
- CORBA_exception_init (&ev);
- bonobo_object_release_unref (factory, &ev);
- if (ev._major != CORBA_NO_EXCEPTION)
- g_message ("edit_component(): Could not unref the calendar component factory");
-
- CORBA_exception_free (&ev);
-}
-
-struct notify_dialog_closure {
- CompQueuedAlarms *cqa;
- gpointer alarm_id;
-};
-
-/* Callback used from the alarm notify dialog */
-static void
-notify_dialog_cb (AlarmNotifyResult result, int snooze_mins, gpointer data)
-{
- struct notify_dialog_closure *c;
-
- c = data;
-
- switch (result) {
- case ALARM_NOTIFY_SNOOZE:
- create_snooze (c->cqa, c->alarm_id, snooze_mins);
- break;
-
- case ALARM_NOTIFY_EDIT:
- edit_component (c->cqa);
- break;
-
- case ALARM_NOTIFY_CLOSE:
- /* Do nothing */
- break;
-
- default:
- g_assert_not_reached ();
- }
-
- remove_queued_alarm (c->cqa, c->alarm_id);
- g_free (c);
-}
-
-/* Performs notification of a display alarm */
-static void
-display_notification (time_t trigger, CompQueuedAlarms *cqa,
- gpointer alarm_id, gboolean use_description)
-{
- CalComponent *comp;
- CalComponentVType vtype;
- CalComponentText text;
- QueuedAlarm *qa;
- const char *message;
- struct notify_dialog_closure *c;
- gboolean use_summary;
-
- comp = cqa->alarms->comp;
- qa = lookup_queued_alarm (cqa, alarm_id);
- g_assert (qa != NULL);
-
- vtype = cal_component_get_vtype (comp);
-
- /* Pick a sensible notification message. First we try the DESCRIPTION
- * from the alarm, then the SUMMARY of the component.
- */
-
- use_summary = TRUE;
- message = NULL;
-
- if (use_description) {
- CalComponentAlarm *alarm;
-
- alarm = cal_component_get_alarm (comp, qa->instance->auid);
- g_assert (alarm != NULL);
-
- cal_component_alarm_get_description (alarm, &text);
- cal_component_alarm_free (alarm);
-
- if (text.value) {
- message = text.value;
- use_summary = FALSE;
- }
- }
-
- if (use_summary) {
- cal_component_get_summary (comp, &text);
- if (text.value)
- message = text.value;
- else
- message = _("No description available.");
- }
-
- c = g_new (struct notify_dialog_closure, 1);
- c->cqa = cqa;
- c->alarm_id = alarm_id;
-
- if (!alarm_notify_dialog (trigger,
- qa->instance->occur_start, qa->instance->occur_end,
- vtype, message,
- notify_dialog_cb, c))
- g_message ("display_notification(): Could not create the alarm notify dialog");
-}
-
-/* Performs notification of an audio alarm */
-static void
-audio_notification (time_t trigger, CompQueuedAlarms *cqa,
- gpointer alarm_id)
-{
- QueuedAlarm *qa;
- CalComponent *comp;
- CalComponentAlarm *alarm;
- icalattach *attach;
-
- comp = cqa->alarms->comp;
- qa = lookup_queued_alarm (cqa, alarm_id);
- g_assert (qa != NULL);
-
- alarm = cal_component_get_alarm (comp, qa->instance->auid);
- g_assert (alarm != NULL);
-
- cal_component_alarm_get_attach (alarm, &attach);
- cal_component_alarm_free (alarm);
-
- if (attach && icalattach_get_is_url (attach)) {
- const char *url;
-
- url = icalattach_get_url (attach);
- g_assert (url != NULL);
-
- gnome_sound_play (url); /* this sucks */
- }
-
- if (attach)
- icalattach_unref (attach);
-
- /* We present a notification message in addition to playing the sound */
- display_notification (trigger, cqa, alarm_id, FALSE);
-}
-
-/* Performs notification of a mail alarm */
-static void
-mail_notification (time_t trigger, CompQueuedAlarms *cqa, gpointer alarm_id)
-{
- GtkWidget *dialog;
-
- /* FIXME */
-
- display_notification (trigger, cqa, alarm_id, FALSE);
-
- dialog = gnome_warning_dialog (_("Evolution does not support calendar reminders with\n"
- "email notifications yet, but this reminder was\n"
- "configured to send an email. Evolution will display\n"
- "a normal reminder dialog box instead."));
- gnome_dialog_run (GNOME_DIALOG (dialog));
-}
-
-/* Performs notification of a procedure alarm */
-static gboolean
-procedure_notification_dialog (const char *cmd, const char *url)
-{
- GtkWidget *dialog, *label, *checkbox;
- char *str;
- int btn;
-
- if (is_blessed_program (url))
- return TRUE;
-
- dialog = gnome_dialog_new (_("Warning"),
- GNOME_STOCK_BUTTON_YES,
- GNOME_STOCK_BUTTON_NO,
- NULL);
-
- str = g_strdup_printf (_("An Evolution Calendar reminder is about to trigger. "
- "This reminder is configured to run the following program:\n\n"
- " %s\n\n"
- "Are you sure you want to run this program?"),
- cmd);
- label = gtk_label_new (str);
- gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
- gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_LEFT);
- gtk_widget_show (label);
- gtk_box_pack_start (GTK_BOX (GNOME_DIALOG (dialog)->vbox),
- label, TRUE, TRUE, 4);
- g_free (str);
-
- checkbox = gtk_check_button_new_with_label
- (_("Do not ask me about this program again."));
- gtk_widget_show (checkbox);
- gtk_box_pack_start (GTK_BOX (GNOME_DIALOG (dialog)->vbox),
- checkbox, TRUE, TRUE, 4);
-
- /* Run the dialog */
- btn = gnome_dialog_run (GNOME_DIALOG (dialog));
- if (btn == GNOME_YES && gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (checkbox)))
- save_blessed_program (url);
- gnome_dialog_close (GNOME_DIALOG (dialog));
-
- return (btn == GNOME_YES);
-}
-
-static void
-procedure_notification (time_t trigger, CompQueuedAlarms *cqa, gpointer alarm_id)
-{
- QueuedAlarm *qa;
- CalComponent *comp;
- CalComponentAlarm *alarm;
- CalComponentText description;
- icalattach *attach;
- const char *url;
- char *cmd;
- int result;
-
- comp = cqa->alarms->comp;
- qa = lookup_queued_alarm (cqa, alarm_id);
- g_assert (qa != NULL);
-
- alarm = cal_component_get_alarm (comp, qa->instance->auid);
- g_assert (alarm != NULL);
-
- cal_component_alarm_get_attach (alarm, &attach);
- cal_component_alarm_get_description (alarm, &description);
- cal_component_alarm_free (alarm);
-
- /* If the alarm has no attachment, simply display a notification dialog. */
- if (!attach)
- goto fallback;
-
- if (!icalattach_get_is_url (attach)) {
- icalattach_unref (attach);
- goto fallback;
- }
-
- url = icalattach_get_url (attach);
- g_assert (url != NULL);
-
- /* Ask for confirmation before executing the stuff */
- if (description.value)
- cmd = g_strconcat (url, " ", description.value, NULL);
- else
- cmd = (char *) url;
-
- result = 0;
- if (procedure_notification_dialog (cmd, url))
- result = gnome_execute_shell (NULL, cmd);
-
- if (cmd != (char *) url)
- g_free (cmd);
-
- icalattach_unref (attach);
-
- /* Fall back to display notification if we got an error */
- if (result < 0)
- goto fallback;
-
- remove_queued_alarm (cqa, alarm_id);
- return;
-
- fallback:
-
- display_notification (trigger, cqa, alarm_id, FALSE);
-}
-
-
-
-/**
- * alarm_queue_init:
- *
- * Initializes the alarm queueing system. This should be called near the
- * beginning of the program.
- **/
-void
-alarm_queue_init (void)
-{
- g_return_if_fail (alarm_queue_inited == FALSE);
-
- client_alarms_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
- queue_midnight_refresh ();
-
- saved_notification_time = get_saved_notification_time ();
- if (saved_notification_time == -1) {
- saved_notification_time = time (NULL);
- save_notification_time (saved_notification_time);
- }
-
- alarm_queue_inited = TRUE;
-}
-
-/**
- * alarm_queue_done:
- *
- * Shuts down the alarm queueing system. This should be called near the end
- * of the program. All the monitored calendar clients should already have been
- * unregistered with alarm_queue_remove_client().
- **/
-void
-alarm_queue_done (void)
-{
- g_return_if_fail (alarm_queue_inited);
-
- /* All clients must be unregistered by now */
- g_return_if_fail (g_hash_table_size (client_alarms_hash) == 0);
-
- g_hash_table_destroy (client_alarms_hash);
- client_alarms_hash = NULL;
-
- g_assert (midnight_refresh_id != NULL);
- alarm_remove (midnight_refresh_id);
- midnight_refresh_id = NULL;
-
- alarm_queue_inited = FALSE;
-}
-
-/**
- * alarm_queue_add_client:
- * @client: A calendar client.
- *
- * Adds a calendar client to the alarm queueing system. Alarm trigger
- * notifications will be presented at the appropriate times. The client should
- * be removed with alarm_queue_remove_client() when receiving notifications
- * from it is no longer desired.
- *
- * A client can be added any number of times to the alarm queueing system,
- * but any single alarm trigger will only be presented once for a particular
- * client. The client must still be removed the same number of times from the
- * queueing system when it is no longer wanted.
- **/
-void
-alarm_queue_add_client (CalClient *client)
-{
- ClientAlarms *ca;
-
- g_return_if_fail (alarm_queue_inited);
- g_return_if_fail (client != NULL);
- g_return_if_fail (IS_CAL_CLIENT (client));
-
- ca = lookup_client (client);
- if (ca) {
- ca->refcount++;
- return;
- }
-
- ca = g_new (ClientAlarms, 1);
-
- ca->client = client;
- gtk_object_ref (GTK_OBJECT (ca->client));
-
- ca->refcount = 1;
- g_hash_table_insert (client_alarms_hash, client, ca);
-
- ca->uid_alarms_hash = g_hash_table_new (g_str_hash, g_str_equal);
-
- if (cal_client_get_load_state (client) != CAL_CLIENT_LOAD_LOADED)
- gtk_signal_connect (GTK_OBJECT (client), "cal_opened",
- GTK_SIGNAL_FUNC (cal_opened_cb), ca);
-
- gtk_signal_connect (GTK_OBJECT (client), "obj_updated",
- GTK_SIGNAL_FUNC (obj_updated_cb), ca);
- gtk_signal_connect (GTK_OBJECT (client), "obj_removed",
- GTK_SIGNAL_FUNC (obj_removed_cb), ca);
-
- if (cal_client_get_load_state (client) == CAL_CLIENT_LOAD_LOADED) {
- load_alarms_for_today (ca);
- load_missed_alarms (ca);
- }
-}
-
-/* Called from g_hash_table_foreach(); adds a component UID to a list */
-static void
-add_uid_cb (gpointer key, gpointer value, gpointer data)
-{
- GSList **uids;
- const char *uid;
-
- uids = data;
- uid = key;
-
- *uids = g_slist_prepend (*uids, (char *) uid);
-}
-
-/* Removes all the alarms queued for a particular calendar client */
-static void
-remove_client_alarms (ClientAlarms *ca)
-{
- GSList *uids;
- GSList *l;
-
- /* First we build a list of UIDs so that we can remove them one by one */
-
- uids = NULL;
- g_hash_table_foreach (ca->uid_alarms_hash, add_uid_cb, &uids);
-
- for (l = uids; l; l = l->next) {
- const char *uid;
-
- uid = l->data;
-
- remove_comp (ca, uid);
- }
-
- g_slist_free (uids);
-
- /* The hash table should be empty now */
-
- g_assert (g_hash_table_size (ca->uid_alarms_hash) == 0);
-}
-
-/**
- * alarm_queue_remove_client:
- * @client: A calendar client.
- *
- * Removes a calendar client from the alarm queueing system.
- **/
-void
-alarm_queue_remove_client (CalClient *client)
-{
- ClientAlarms *ca;
-
- g_return_if_fail (alarm_queue_inited);
- g_return_if_fail (client != NULL);
- g_return_if_fail (IS_CAL_CLIENT (client));
-
- ca = lookup_client (client);
- g_return_if_fail (ca != NULL);
-
- g_assert (ca->refcount > 0);
- ca->refcount--;
-
- if (ca->refcount > 0)
- return;
-
- remove_client_alarms (ca);
-
- /* Clean up */
-
- gtk_signal_disconnect_by_data (GTK_OBJECT (ca->client), ca);
-
- gtk_object_unref (GTK_OBJECT (ca->client));
- ca->client = NULL;
-
- g_hash_table_destroy (ca->uid_alarms_hash);
- ca->uid_alarms_hash = NULL;
-
- g_free (ca);
-
- g_hash_table_remove (client_alarms_hash, client);
-}