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-rw-r--r--calendar/gui/alarm-notify/alarm.c305
1 files changed, 0 insertions, 305 deletions
diff --git a/calendar/gui/alarm-notify/alarm.c b/calendar/gui/alarm-notify/alarm.c
deleted file mode 100644
index 8c6c4c59cd..0000000000
--- a/calendar/gui/alarm-notify/alarm.c
+++ /dev/null
@@ -1,305 +0,0 @@
-/* Evolution calendar - Low-level alarm timer mechanism
- *
- * Copyright (C) 2000 Ximian, Inc.
- * Copyright (C) 2000 Ximian, Inc.
- *
- * Authors: Miguel de Icaza <miguel@ximian.com>
- * 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.
- */
-
-#include <config.h>
-#include <unistd.h>
-#include <time.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <sys/time.h>
-#include <gdk/gdk.h>
-#include "alarm.h"
-
-
-
-/* Our glib timeout */
-static guint timeout_id;
-
-/* The list of pending alarms */
-static GList *alarms = NULL;
-
-/* A queued alarm structure */
-typedef struct {
- time_t trigger;
- AlarmFunction alarm_fn;
- gpointer data;
- AlarmDestroyNotify destroy_notify_fn;
-} AlarmRecord;
-
-static void setup_timeout (time_t now);
-
-
-
-/* Removes the head alarm from the queue. Does not touch the timeout_id. */
-static void
-pop_alarm (void)
-{
- AlarmRecord *ar;
- GList *l;
-
- g_assert (alarms != NULL);
-
- ar = alarms->data;
-
- l = alarms;
- alarms = g_list_remove_link (alarms, l);
- g_list_free_1 (l);
-
- g_free (ar);
-}
-
-/* Callback from the alarm timeout */
-static gboolean
-alarm_ready_cb (gpointer data)
-{
- time_t now;
-
- g_assert (alarms != NULL);
- timeout_id = 0;
-
- now = time (NULL);
-
- while (alarms) {
- AlarmRecord *notify_id, *ar;
- AlarmRecord ar_copy;
-
- ar = alarms->data;
-
- if (ar->trigger > now)
- break;
-
- notify_id = ar;
-
- ar_copy = *ar;
- ar = &ar_copy;
-
- pop_alarm (); /* This will free the original AlarmRecord; that's why we copy it */
-
- (* ar->alarm_fn) (notify_id, ar->trigger, ar->data);
-
- if (ar->destroy_notify_fn)
- (* ar->destroy_notify_fn) (notify_id, ar->data);
- }
-
- if (alarms) {
- /* We need this check because one of the alarm_fn above may have
- * re-entered and added an alarm of its own, so the timer will
- * already be set up.
- */
- if (timeout_id == 0)
- setup_timeout (now);
- } else
- g_assert (timeout_id == 0);
-
- return FALSE;
-}
-
-/* Sets up a timeout for the next minute. We do not need to be concerned with
- * timezones here, as this is just a periodic check on the alarm queue.
- */
-static void
-setup_timeout (time_t now)
-{
- time_t next, diff;
- struct tm tm;
-
- g_assert (timeout_id == 0);
- g_assert (alarms != NULL);
-
- tm = *localtime (&now);
- tm.tm_sec = 0;
- tm.tm_min++; /* next minute */
-
- next = mktime (&tm);
- g_assert (next != -1);
-
- diff = next - now;
-
- g_assert (diff >= 0);
- timeout_id = g_timeout_add (diff * 1000, alarm_ready_cb, NULL);
-}
-
-/* Used from g_list_insert_sorted(); compares the trigger times of two AlarmRecord structures. */
-static int
-compare_alarm_by_time (gconstpointer a, gconstpointer b)
-{
- const AlarmRecord *ara = a;
- const AlarmRecord *arb = b;
- time_t diff;
-
- diff = ara->trigger - arb->trigger;
- return (diff < 0) ? -1 : (diff > 0) ? 1 : 0;
-}
-
-/* Adds an alarm to the queue and sets up the timer */
-static void
-queue_alarm (AlarmRecord *ar)
-{
- time_t now;
- AlarmRecord *old_head;
-
- if (alarms) {
- g_assert (timeout_id != 0);
-
- old_head = alarms->data;
- } else {
- g_assert (timeout_id == 0);
-
- old_head = NULL;
- }
-
- alarms = g_list_insert_sorted (alarms, ar, compare_alarm_by_time);
-
- if (old_head == alarms->data)
- return;
-
- /* Set the timer for removal upon activation */
-
- if (!old_head) {
- now = time (NULL);
- setup_timeout (now);
- }
-}
-
-
-
-/**
- * alarm_add:
- * @trigger: Time at which alarm will trigger.
- * @alarm_fn: Callback for trigger.
- * @data: Closure data for callback.
- *
- * Adds an alarm to trigger at the specified time. The @alarm_fn will be called
- * with the provided data and the alarm will be removed from the trigger list.
- *
- * Return value: An identifier for this alarm; it can be used to remove the
- * alarm later with alarm_remove(). If the trigger time occurs in the past, then
- * the alarm will not be queued and the function will return NULL.
- **/
-gpointer
-alarm_add (time_t trigger, AlarmFunction alarm_fn, gpointer data,
- AlarmDestroyNotify destroy_notify_fn)
-{
- AlarmRecord *ar;
-
- g_return_val_if_fail (trigger != -1, NULL);
- g_return_val_if_fail (alarm_fn != NULL, NULL);
-
- ar = g_new (AlarmRecord, 1);
- ar->trigger = trigger;
- ar->alarm_fn = alarm_fn;
- ar->data = data;
- ar->destroy_notify_fn = destroy_notify_fn;
-
- queue_alarm (ar);
-
- return ar;
-}
-
-/**
- * alarm_remove:
- * @alarm: A queued alarm identifier.
- *
- * Removes an alarm from the alarm queue.
- **/
-void
-alarm_remove (gpointer alarm)
-{
- AlarmRecord *notify_id, *ar;
- AlarmRecord ar_copy;
- AlarmRecord *old_head;
- GList *l;
-
- g_return_if_fail (alarm != NULL);
-
- ar = alarm;
-
- l = g_list_find (alarms, ar);
- if (!l) {
- g_message ("alarm_remove(): Requested removal of nonexistent alarm!");
- return;
- }
-
- old_head = alarms->data;
-
- notify_id = ar;
-
- if (old_head == ar) {
- ar_copy = *ar;
- ar = &ar_copy;
- pop_alarm (); /* This will free the original AlarmRecord; that's why we copy it */
- } else {
- alarms = g_list_remove_link (alarms, l);
- g_list_free_1 (l);
- }
-
- /* Reset the timeout */
-
- g_assert (timeout_id != 0);
-
- if (!alarms) {
- g_source_remove (timeout_id);
- timeout_id = 0;
- }
-
- /* Notify about destructiono of the alarm */
-
- if (ar->destroy_notify_fn)
- (* ar->destroy_notify_fn) (notify_id, ar->data);
-
-}
-
-/**
- * alarm_done:
- *
- * Terminates the alarm timer mechanism. This should be called at the end of
- * the program.
- **/
-void
-alarm_done (void)
-{
- GList *l;
-
- if (timeout_id == 0) {
- g_assert (alarms == NULL);
- return;
- }
-
- g_assert (alarms != NULL);
-
- g_source_remove (timeout_id);
- timeout_id = 0;
-
- for (l = alarms; l; l = l->next) {
- AlarmRecord *ar;
-
- ar = l->data;
-
- if (ar->destroy_notify_fn)
- (* ar->destroy_notify_fn) (ar, ar->data);
-
- g_free (ar);
- }
-
- g_list_free (alarms);
- alarms = NULL;
-}
generated by cgit (git 2.34.1) at 2024-11-14 05:37:41 +0800