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-rw-r--r--calendar/pcs/cal-backend-db.c261
1 files changed, 17 insertions, 244 deletions
diff --git a/calendar/pcs/cal-backend-db.c b/calendar/pcs/cal-backend-db.c
index 73aef5d054..bbb4590fc2 100644
--- a/calendar/pcs/cal-backend-db.c
+++ b/calendar/pcs/cal-backend-db.c
@@ -958,234 +958,6 @@ cal_backend_db_get_changes (CalBackend *backend, CalObjType type, const char *ch
return NULL;
}
-/* computes the range of time in which recurrences should be generated for a
- * component in order to compute alarm trigger times.
- */
-static void
-compute_alarm_range (CalComponent *comp,
- GList *alarm_uids,
- time_t start,
- time_t end,
- time_t *alarm_start,
- time_t *alarm_end)
-{
- GList *l;
-
- *alarm_start = start;
- *alarm_end = end;
-
- for (l = alarm_uids; l; l = l->next) {
- const char *auid;
- CalComponentAlarm *alarm;
- CalAlarmTrigger trigger;
- struct icaldurationtype *dur;
- time_t dur_time;
-
- auid = l->data;
- alarm = cal_component_get_alarm (comp, auid);
- g_assert (alarm != NULL);
-
- cal_component_alarm_get_trigger (alarm, &trigger);
- cal_component_alarm_free (alarm);
-
- switch (trigger.type) {
- case CAL_ALARM_TRIGGER_NONE:
- case CAL_ALARM_TRIGGER_ABSOLUTE:
- continue;
- case CAL_ALARM_TRIGGER_RELATIVE_START:
- case CAL_ALARM_TRIGGER_RELATIVE_END:
- dur = &trigger.u.rel_duration;
- dur_time = icaldurationtype_as_int (*dur);
-
- if (dur->is_neg)
- /* If the duration is negative then dur_time
- * will be negative as well; that is why we
- * subtract to expand the range.
- */
- *alarm_end = MAX (*alarm_end, end - dur_time);
- else
- *alarm_start = MIN (*alarm_start, start - dur_time);
-
- break;
- default:
- g_assert_not_reached ();
- }
- }
-
- g_assert (*alarm_start <= *alarm_end);
-}
-
-/* closure data to generate alarm occurrences */
-struct alarm_occurrence_data {
- /* these are the info we have */
- GList *alarm_uids;
- time_t start;
- time_t end;
-
- /* this is what we compute */
- GSList *triggers;
- int n_triggers;
-};
-
-/* callback used from cal_recur_generate_instances(); generates triggers for all
- * of a component's RELATIVE alarms.
- */
-static gboolean
-add_alarm_occurrences_cb (CalComponent *comp, time_t start, time_t end, gpointer data)
-{
- struct alarm_occurrence_data *aod;
- GList *l;
-
- aod = data;
-
- for (l = aod->alarm_uids; l; l = l->next) {
- const char *auid;
- CalComponentAlarm *alarm;
- CalAlarmTrigger trigger;
- struct icaldurationtype *dur;
- time_t dur_time;
- time_t occur_time, trigger_time;
- CalAlarmInstance *instance;
-
- auid = l->data;
- alarm = cal_component_get_alarm (comp, auid);
- g_assert (alarm != NULL);
-
- cal_component_alarm_get_trigger (alarm, &trigger);
- cal_component_alarm_free (alarm);
-
- if (trigger.type != CAL_ALARM_TRIGGER_RELATIVE_START
- && trigger.type != CAL_ALARM_TRIGGER_RELATIVE_END)
- continue;
-
- dur = &trigger.u.rel_duration;
- dur_time = icaldurationtype_as_int (*dur);
-
- if (trigger.type == CAL_ALARM_TRIGGER_RELATIVE_START)
- occur_time = start;
- else
- occur_time = end;
-
- /* If dur->is_neg is true then dur_time will already be
- * negative. So we do not need to test for dur->is_neg here; we
- * can simply add the dur_time value to the occur_time and get
- * the correct result.
- */
-
- trigger_time = occur_time + dur_time;
-
- if (trigger_time < aod->start || trigger_time >= aod->end)
- continue;
-
- instance = g_new (CalAlarmInstance, 1);
- instance->auid = auid;
- instance->trigger = trigger_time;
- instance->occur = occur_time;
-
- aod->triggers = g_slist_prepend (aod->triggers, instance);
- aod->n_triggers++;
- }
-
- return TRUE;
-}
-
-/* generates the absolute triggers for a component */
-static void
-generate_absolute_triggers (CalComponent *comp, struct alarm_occurrence_data *aod)
-{
- GList *l;
-
- for (l = aod->alarm_uids; l; l = l->next) {
- const char *auid;
- CalComponentAlarm *alarm;
- CalAlarmTrigger trigger;
- time_t abs_time;
- CalAlarmInstance *instance;
-
- auid = l->data;
- alarm = cal_component_get_alarm (comp, auid);
- g_assert (alarm != NULL);
-
- cal_component_alarm_get_trigger (alarm, &trigger);
- cal_component_alarm_free (alarm);
-
- if (trigger.type != CAL_ALARM_TRIGGER_ABSOLUTE)
- continue;
-
- abs_time = icaltime_as_timet (trigger.u.abs_time);
-
- if (abs_time < aod->start || abs_time >= aod->end)
- continue;
-
- instance = g_new (CalAlarmInstance, 1);
- instance->auid = auid;
- instance->trigger = abs_time;
- instance->occur = abs_time; /* No particular occurrence, so just use the same time */
-
- aod->triggers = g_slist_prepend (aod->triggers, instance);
- aod->n_triggers++;
- }
-}
-
-/* compares two alarm instances; called from g_slist_sort() */
-static gint
-compare_alarm_instance (gconstpointer a, gconstpointer b)
-{
- const CalAlarmInstance *aia, *aib;
-
- aia = a;
- aib = b;
-
- if (aia->trigger < aib->trigger)
- return -1;
- else if (aia->trigger > aib->trigger)
- return 1;
- else
- return 0;
-}
-
-/* generates alarm instances for a calendar component. Returns the instances
- * structure, or NULL if no alarm instances occurred in the specified time
- * range.
- */
-static CalComponentAlarms *
-generate_alarms_for_comp (CalComponent *comp, time_t start, time_t end)
-{
- CalComponentAlarms *alarms = NULL;
- GList *alarm_uids;
- time_t alarm_start, alarm_end;
- struct alarm_occurrence_data aod;
-
- g_return_val_if_fail(IS_CAL_COMPONENT(comp), NULL);
-
- if (!cal_component_has_alarms(comp))
- return NULL;
-
- alarm_uids = cal_component_get_alarm_uids(comp);
- compute_alarm_range(comp, alarm_uids, start, end, &alarm_start, &alarm_end);
-
- aod.alarm_uids = alarm_uids;
- aod.start = start;
- aod.end = end;
- aod.triggers = NULL;
- aod.n_triggers = 0;
- cal_recur_generate_instances(comp, alarm_start, alarm_end, add_alarm_occurrences_cb, &aod);
-
- /* we add the ABSOLUTE triggers separately */
- generate_absolute_triggers(comp, &aod);
-
- if (aod.n_triggers == 0)
- return NULL;
-
- /* create the component alarm instances structure */
- alarms = g_new (CalComponentAlarms, 1);
- alarms->comp = comp;
- gtk_object_ref (GTK_OBJECT (alarms->comp));
- alarms->alarms = g_slist_sort (aod.triggers, compare_alarm_instance);
-
- return alarms;
-}
-
/* retrieve list of alarms */
static GSList *
get_list_of_alarms (CalBackendDBCursor *cursor, time_t start, time_t end)
@@ -1203,26 +975,27 @@ get_list_of_alarms (CalBackendDBCursor *cursor, time_t start, time_t end)
data = (DBT *) node->data;
if (data) {
icalcomp = icalparser_parse_string((char *) data->data);
- if (icalcomp) {
- /* per RFC 2445, only VEVENTs and VTODOs can have alarms */
- kind = icalcomponent_isa(icalcomp);
- if (kind == ICAL_VEVENT_COMPONENT || kind == ICAL_VTODO_COMPONENT) {
- CalComponent *comp;
- CalComponentAlarms *alarms;
+ if (!icalcomp)
+ continue;
+
+ /* per RFC 2445, only VEVENTs and VTODOs can have alarms */
+ kind = icalcomponent_isa(icalcomp);
+ if (kind == ICAL_VEVENT_COMPONENT || kind == ICAL_VTODO_COMPONENT) {
+ CalComponent *comp;
+ CalComponentAlarms *alarms;
- /* create the CalComponent to compute the alarms */
- comp = cal_component_new();
- cal_component_set_icalcomponent(comp, icalcomp);
+ /* create the CalComponent to compute the alarms */
+ comp = cal_component_new();
+ cal_component_set_icalcomponent(comp, icalcomp);
- alarms = generate_alarms_for_comp(comp, start, end);
- if (alarms)
- list = g_slist_prepend(list, (gpointer) alarms);
-
- gtk_object_unref(GTK_OBJECT(comp));
- }
+ alarms = cal_util_generate_alarms_for_comp (comp, start, end);
+ if (alarms)
+ list = g_slist_prepend(list, (gpointer) alarms);
- icalcomponent_free(icalcomp);
+ gtk_object_unref(GTK_OBJECT(comp));
}
+
+ icalcomponent_free(icalcomp);
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-12 16:33:26 +0800