diff options
Diffstat (limited to 'calendar/calendar.c')
| -rw-r--r-- | calendar/calendar.c | 663 |
1 files changed, 0 insertions, 663 deletions
diff --git a/calendar/calendar.c b/calendar/calendar.c deleted file mode 100644 index 776f38452d..0000000000 --- a/calendar/calendar.c +++ /dev/null @@ -1,663 +0,0 @@ -/* - * Calendar manager object - * - * This keeps track of a given calendar. Eventually this will abtract everything - * related to getting calendars/saving calendars locally or to a remote Calendar Service - * - * Copyright (C) 1998, 1999 the Free Software Foundation - * - * Authors: - * Miguel de Icaza (miguel@gnu.org) - * Federico Mena (quartic@gimp.org) - * - */ - -#include <gnome.h> -#include <stdio.h> -#include <config.h> -#include <unistd.h> -#include <sys/stat.h> -#include "calendar.h" -#include "alarm.h" -#include "timeutil.h" -#include "libversit/vcc.h" -#include "icalendar.h" - -#ifdef HAVE_TZNAME -extern char *tzname[2]; -#endif - -/* Our day range */ -time_t calendar_day_begin, calendar_day_end; - -static void calendar_init_alarms (Calendar *cal); -static void calendar_set_day (void); - -Calendar * -calendar_new (char *title,CalendarNewOptions options) -{ - Calendar *cal; - - cal = g_new0 (Calendar, 1); - - cal->title = g_strdup (title); - if (options & CALENDAR_USE_ICAL) - cal->format = CAL_ICAL; - else - cal->format = CAL_VCAL; - - if ((calendar_day_begin == 0) || (calendar_day_end == 0)) - calendar_set_day (); - - cal->event_hash = g_hash_table_new (g_str_hash, g_str_equal); - - if (options & CALENDAR_INIT_ALARMS) { - calendar_init_alarms (cal); - } - - return cal; -} - -static void -try_add (iCalObject *ico, CalendarAlarm *alarm, time_t start, time_t end) -{ - alarm->trigger = start-alarm->offset; - - if (alarm->trigger < calendar_day_begin) - return; - if (alarm->trigger > calendar_day_end) - return; - alarm_add (alarm, &calendar_notify, ico); -} - -static int -add_object_alarms (iCalObject *obj, time_t start, time_t end, void *closure) -{ - if (obj->aalarm.enabled) - try_add (obj, &obj->aalarm, start, end); - if (obj->dalarm.enabled) - try_add (obj, &obj->dalarm, start, end); - if (obj->palarm.enabled) - try_add (obj,&obj->palarm, start, end); - if (obj->malarm.enabled) - try_add (obj, &obj->malarm, start, end); - - return TRUE; -} - -#define max(a,b) ((a > b) ? a : b) - -static void -ical_object_try_alarms (iCalObject *obj) -{ - int ao, po, od, mo; - int max_o; - - ao = alarm_compute_offset (&obj->aalarm); - po = alarm_compute_offset (&obj->palarm); - od = alarm_compute_offset (&obj->dalarm); - mo = alarm_compute_offset (&obj->malarm); - - max_o = max (ao, max (po, max (od, mo))); - if (max_o == -1) - return; - - ical_object_generate_events (obj, calendar_day_begin, calendar_day_end + max_o, add_object_alarms, obj); -} - -void -calendar_add_object (Calendar *cal, iCalObject *obj) -{ - g_return_if_fail (cal != NULL); - g_return_if_fail (obj != NULL); - g_return_if_fail (obj->uid != NULL); - - obj->new = 0; - switch (obj->type){ - case ICAL_EVENT: - g_hash_table_insert (cal->event_hash, obj->uid, obj); - cal->events = g_list_prepend (cal->events, obj); - ical_object_try_alarms (obj); -#ifdef DEBUGGING_MAIL_ALARM - obj->malarm.trigger = 0; - calendar_notify (0, obj); -#endif - break; - - case ICAL_TODO: - cal->todo = g_list_prepend (cal->todo, obj); - break; - - case ICAL_JOURNAL: - cal->journal = g_list_prepend (cal->journal, obj); - break; - default: - g_assert_not_reached (); - } - - if (!obj->uid){ - char buffer [80]; - - snprintf (buffer, sizeof (buffer), "GnomeCalendar-%ld\n", time (NULL)); - obj->uid = g_strdup (buffer); - } - - cal->modified = TRUE; - - obj->last_mod = time (NULL); -} - -void -calendar_remove_object (Calendar *cal, iCalObject *obj) -{ - switch (obj->type){ - case ICAL_EVENT: - cal->events = g_list_remove (cal->events, obj); - g_hash_table_remove (cal->event_hash, obj->uid); - break; - - case ICAL_TODO: - cal->todo = g_list_remove (cal->todo, obj); - break; - - case ICAL_JOURNAL: - cal->journal = g_list_remove (cal->journal, obj); - break; - default: - g_assert_not_reached (); - } - - cal->modified = TRUE; -} - -void -calendar_destroy (Calendar *cal) -{ - g_list_foreach (cal->events, (GFunc) ical_object_destroy, NULL); - g_list_free (cal->events); - - g_list_foreach (cal->todo, (GFunc) ical_object_destroy, NULL); - g_list_free (cal->todo); - - g_list_foreach (cal->journal, (GFunc) ical_object_destroy, NULL); - g_list_free (cal->journal); - - g_hash_table_destroy (cal->event_hash); - - if (cal->title) - g_free (cal->title); - if (cal->filename) - g_free (cal->filename); - - g_free (cal); -} - -void -calendar_iterate_on_objects (GList *objects, time_t start, time_t end, calendarfn cb, void *closure) -{ - for (; objects; objects = objects->next){ - iCalObject *object = objects->data; - - ical_object_generate_events (object, start, end, cb, closure); - } -} - -void -calendar_iterate (Calendar *cal, time_t start, time_t end, calendarfn cb, void *closure) -{ - calendar_iterate_on_objects (cal->events, start, end, cb, closure); -} - -GList * -calendar_get_objects_in_range (GList *objects, time_t start, time_t end, GCompareFunc sort_func) -{ - GList *new_events = 0; - - for (; objects; objects = objects->next){ - iCalObject *object = objects->data; - - if ((start <= object->dtstart) && (object->dtend <= end)){ - if (sort_func) - new_events = g_list_insert_sorted (new_events, object, sort_func); - else - new_events = g_list_prepend (new_events, object); - } - } - - /* Put the list in increasing order if no sort function was specified */ - - if (!sort_func) - new_events = g_list_reverse (new_events); - - return new_events; -} - -GList * -calendar_get_todo_in_range (Calendar *cal, time_t start, time_t end, GCompareFunc sort_func) -{ - return calendar_get_objects_in_range (cal->todo, start, end, sort_func); -} - -GList * -calendar_get_journal_in_range (Calendar *cal, time_t start, time_t end, GCompareFunc sort_func) -{ - return calendar_get_objects_in_range (cal->journal, start, end, sort_func); -} - -gint -calendar_compare_by_dtstart (gpointer a, gpointer b) -{ - iCalObject *obj1, *obj2; - time_t diff; - - obj1 = a; - obj2 = b; - - diff = obj1->dtstart - obj2->dtstart; - - return (diff < 0) ? -1 : (diff > 0) ? 1 : 0; -} - -#define str_val(obj) (char *) vObjectUStringZValue (obj) - -/* Loads our calendar contents from a vObject */ -void -calendar_load_from_vobject (Calendar *cal, VObject *vcal) -{ - VObjectIterator i; - - initPropIterator (&i, vcal); - - while (moreIteration (&i)){ - VObject *this = nextVObject (&i); - iCalObject *ical; - const char *object_name = vObjectName (this); - - if (strcmp (object_name, VCDCreatedProp) == 0){ - cal->created = time_from_isodate (str_val (this)); - continue; - } - - if (strcmp (object_name, VCLocationProp) == 0) - continue; /* FIXME: imlement */ - - if (strcmp (object_name, VCProdIdProp) == 0) - continue; /* FIXME: implement */ - - if (strcmp (object_name, VCVersionProp) == 0) - continue; /* FIXME: implement */ - - if (strcmp (object_name, VCTimeZoneProp) == 0) - continue; /* FIXME: implement */ - - ical = ical_object_create_from_vobject (this, object_name); - - if (ical) - calendar_add_object (cal, ical); - } -} - -static void -calendar_set_day (void) -{ - time_t calendar_today; - - calendar_today = time (NULL); - calendar_day_begin = time_day_begin (calendar_today); - calendar_day_end = time_day_end (calendar_today); -} - -/* Loads a calendar from a file */ -char * -calendar_load (Calendar *cal, char *fname) -{ - VObject *vcal; - struct stat s; - - if (cal->filename){ - g_warning ("Calendar load called again\n"); - return "Internal error"; - } - - cal->filename = g_strdup (fname); - - stat (fname, &s); - cal->file_time = s.st_mtime; - - calendar_set_day (); - - switch (cal->format) { - case CAL_VCAL: - vcal = Parse_MIME_FromFileName (fname); - if (!vcal) - return "Could not load the calendar"; - calendar_load_from_vobject (cal, vcal); - cleanVObject (vcal); - cleanStrTbl (); - break; - /* - case CAL_ICAL: - icalendar_calendar_load (cal, fname); - break; - */ - default: - return "Unknown calendar format"; - } - - return NULL; -} - -/* - * calendar_load_from_memory: - * @cal: calendar on which we load the information - * @buffer: A buffer that contains a vCalendar file - * - * Loads the information from the vCalendar information in @buffer - * into the Calendar - */ -char * -calendar_load_from_memory (Calendar *cal, const char *buffer) -{ - VObject *vcal; - - g_return_val_if_fail (buffer != NULL, NULL); - - cal->filename = g_strdup ("memory-based-calendar"); - vcal = Parse_MIME (buffer, strlen (buffer)); - if (!vcal) - return "Could not load the calendar"; - - cal->file_time = time (NULL); - calendar_load_from_vobject (cal, vcal); - cleanVObject (vcal); - cleanStrTbl (); - - return NULL; -} - -static VObject * -vcalendar_create_from_calendar (Calendar *cal) -{ - VObject *vcal; - GList *l; - time_t now = time (NULL); - struct tm tm; - - /* WE call localtime for the side effect of setting tzname */ - tm = *localtime (&now); - - vcal = newVObject (VCCalProp); - addPropValue (vcal, VCProdIdProp, "-//GNOME//NONSGML GnomeCalendar//EN"); -#if defined(HAVE_TM_ZONE) - addPropValue (vcal, VCTimeZoneProp, tm.tm_zone); -#elif defined(HAVE_TZNAME) - addPropValue (vcal, VCTimeZoneProp, tzname[0]); -#endif - addPropValue (vcal, VCVersionProp, VERSION); - cal->temp = vcal; - - /* Events */ - - for (l = cal->events; l; l = l->next) { - VObject *obj; - - obj = ical_object_to_vobject ((iCalObject *) l->data); - addVObjectProp (vcal, obj); - } - - /* To-do entries */ - - for (l = cal->todo; l; l = l->next) { - VObject *obj; - - obj = ical_object_to_vobject ((iCalObject *) l->data); - addVObjectProp (vcal, obj); - } - - return vcal; -} - -void -calendar_save (Calendar *cal, char *fname) -{ - VObject *vcal; - FILE *fp; - GtkWidget *dlg; - struct stat s; - int status; - - if (fname == NULL) - fname = cal->filename; - - vcal = vcalendar_create_from_calendar (cal); - if (g_file_exists (fname)){ - char *backup_name = g_strconcat (fname, "~", NULL); - - if (g_file_exists (backup_name)){ - unlink (backup_name); - } - rename (fname, backup_name); - g_free (backup_name); - } - - fp = fopen(fname,"w"); - if (fp) { - writeVObject(fp, vcal); - fclose(fp); - if (strcmp(cal->filename, fname)) { - if (cal->filename) - g_free (cal->filename); - cal->filename = g_strdup (fname); - } - status = stat (fname, &s); - cal->file_time = s.st_mtime; - } else { - dlg = gnome_message_box_new(_("Failed to save calendar!"), - GNOME_MESSAGE_BOX_ERROR, "Ok", NULL); - gtk_widget_show(dlg); - } - - cleanVObject (vcal); - cleanStrTbl (); -} - -char * -calendar_get_as_vcal_string (Calendar *cal) -{ - VObject *vcal; - char *result; - - g_return_val_if_fail (cal != NULL, NULL); - - vcal = vcalendar_create_from_calendar (cal); - result = writeMemVObject (NULL, 0, vcal); - - cleanVObject (vcal); - cleanStrTbl (); - - return result; -} - -static gint -calendar_object_compare_by_start (gconstpointer a, gconstpointer b) -{ - const CalendarObject *ca = a; - const CalendarObject *cb = b; - time_t diff; - - diff = ca->ev_start - cb->ev_start; - return (diff < 0) ? -1 : (diff > 0) ? 1 : 0; -} - -static int -assemble_event_list (iCalObject *obj, time_t start, time_t end, void *c) -{ - CalendarObject *co; - GList **l = c; - - co = g_new (CalendarObject, 1); - - co->ev_start = start; - co->ev_end = end; - co->ico = obj; - *l = g_list_insert_sorted (*l, co, calendar_object_compare_by_start); - - return 1; -} - -void -calendar_destroy_event_list (GList *l) -{ - GList *p; - - for (p = l; p; p = p->next) - g_free (p->data); - g_list_free (l); -} - -GList * -calendar_get_events_in_range (Calendar *cal, time_t start, time_t end) -{ - GList *l = 0; - - calendar_iterate (cal, start, end, assemble_event_list, &l); - return l; -} - -void -calendar_object_changed (Calendar *cal, iCalObject *obj, int flags) -{ - obj->last_mod = time (NULL); - obj->pilot_status = ICAL_PILOT_SYNC_MOD; - - if (!(flags & CHANGE_DATES)) - return; - - /* Remove any alarms on the alarm list for this object */ - while (alarm_kill (obj)) - ; - - ical_object_try_alarms (obj); -} - -static void -calendar_day_change (time_t time, CalendarAlarm *which, void *closure) -{ - GList *events; - Calendar *cal = closure; - - calendar_set_day (); - calendar_init_alarms (cal); - - for (events = cal->events; events; events = events->next){ - iCalObject *obj = events->data; - - ical_object_try_alarms (obj); - } -} - -static void -calendar_init_alarms (Calendar *cal) -{ - CalendarAlarm day_change_alarm; - - day_change_alarm.trigger = calendar_day_end; - alarm_add (&day_change_alarm, calendar_day_change, cal); -} - -static iCalObject * -calendar_object_find_in_list (Calendar *cal, GList *list, const char *uid) -{ - GList *l; - - for (l = list; l; l = l->next){ - iCalObject *obj = l->data; - - if (strcmp (obj->uid, uid) == 0) - return obj; - } - - return NULL; -} - -iCalObject * -calendar_object_find_event (Calendar *cal, const char *uid) -{ - g_return_val_if_fail (cal != NULL, NULL); - g_return_val_if_fail (uid != NULL, NULL); - - return g_hash_table_lookup (cal->event_hash, uid); -} - -iCalObject * -calendar_object_find_todo (Calendar *cal, const char *uid) -{ - g_return_val_if_fail (cal != NULL, NULL); - g_return_val_if_fail (uid != NULL, NULL); - - return calendar_object_find_in_list (cal, cal->todo, uid); -} - -iCalObject * -calendar_object_find (Calendar *cal, const char *uid) -{ - iCalObject *obj; - - g_return_val_if_fail (cal != NULL, NULL); - g_return_val_if_fail (uid != NULL, NULL); - - obj = calendar_object_find_in_list (cal, cal->todo, uid); - - if (obj == NULL) - obj = calendar_object_find_in_list (cal, cal->events, uid); - - return obj; -} - -iCalObject * -calendar_object_find_by_pilot (Calendar *cal, int pilot_id) -{ - GList *l; - - g_return_val_if_fail (cal != NULL, NULL); - - for (l = cal->events; l; l = l->next){ - iCalObject *obj = l->data; - - if (obj->pilot_id == pilot_id) - return obj; - } - - for (l = cal->todo; l; l = l->next){ - iCalObject *obj = l->data; - - if (obj->pilot_id == pilot_id) - return obj; - } - - return NULL; -} - -/* - * calendar_string_from_object: - * - * Returns the iCalObject @object armored around a vCalendar - * object as a string. - */ -char * -calendar_string_from_object (iCalObject *object) -{ - Calendar *cal; - char *str; - - g_return_val_if_fail (object != NULL, NULL); - - cal = calendar_new ("Temporal",CALENDAR_INIT_NIL); - calendar_add_object (cal, object); - str = calendar_get_as_vcal_string (cal); - calendar_remove_object (cal, object); - - calendar_destroy (cal); - - return str; -} |