diff options
Diffstat (limited to 'calendar/pcs/cal-backend-file.c')
| -rw-r--r-- | calendar/pcs/cal-backend-file.c | 64 |
1 files changed, 50 insertions, 14 deletions
diff --git a/calendar/pcs/cal-backend-file.c b/calendar/pcs/cal-backend-file.c index f73ab66874..dc253c0001 100644 --- a/calendar/pcs/cal-backend-file.c +++ b/calendar/pcs/cal-backend-file.c @@ -1529,7 +1529,31 @@ cal_backend_file_update_object (CalBackendFile *cbfile, return comp_uid; } +static const char* +cal_backend_file_cancel_object (CalBackendFile *cbfile, + icalcomponent *icalcomp) +{ + CalComponent *old_comp; + icalproperty *uid; + const char *comp_uid; + + /* Get the UID, and check it isn't empty. */ + uid = icalcomponent_get_first_property (icalcomp, ICAL_UID_PROPERTY); + if (!uid) + return NULL; + comp_uid = icalproperty_get_uid (uid); + if (!comp_uid || !comp_uid[0]) + return NULL; + + /* Find the old version of the component. */ + old_comp = lookup_component (cbfile, comp_uid); + if (!old_comp) + return NULL; + /* And remove it */ + remove_component (cbfile, old_comp); + return comp_uid; +} /* Update_objects handler for the file backend. */ static CalBackendResult @@ -1539,9 +1563,10 @@ cal_backend_file_update_objects (CalBackend *backend, const char *calobj) CalBackendFilePrivate *priv; icalcomponent *toplevel_comp, *icalcomp = NULL; icalcomponent_kind kind; + icalproperty_method method; icalcomponent *subcomp; CalBackendResult retval = CAL_BACKEND_RESULT_SUCCESS; - GList *comp_uid_list = NULL, *elem; + GList *updated_uids = NULL, *removed_uids = NULL, *elem; cbfile = CAL_BACKEND_FILE (backend); priv = cbfile->priv; @@ -1573,6 +1598,8 @@ cal_backend_file_update_objects (CalBackend *backend, const char *calobj) return CAL_BACKEND_RESULT_INVALID_OBJECT; } + method = icalcomponent_get_method (toplevel_comp); + /* Step throught the VEVENT/VTODOs being added, create CalComponents for them, and add them to our cache. */ subcomp = icalcomponent_get_first_component (toplevel_comp, @@ -1586,18 +1613,20 @@ cal_backend_file_update_objects (CalBackend *backend, const char *calobj) || child_kind == ICAL_VJOURNAL_COMPONENT) { const char *comp_uid; - comp_uid = cal_backend_file_update_object (cbfile, - subcomp); - if (comp_uid) { - /* We add a copy of the UID to a list, so we - can emit notification signals later. We do - a g_strdup() in case any of the components - get removed while we are emitting - notification signals. */ - comp_uid_list = g_list_prepend (comp_uid_list, - g_strdup (comp_uid)); + if (method == ICAL_METHOD_CANCEL) { + comp_uid = cal_backend_file_cancel_object (cbfile, subcomp); + if (comp_uid) { + removed_uids = g_list_prepend (removed_uids, + g_strdup (comp_uid)); + } else + retval = CAL_BACKEND_RESULT_NOT_FOUND; } else { - retval = CAL_BACKEND_RESULT_INVALID_OBJECT; + comp_uid = cal_backend_file_update_object (cbfile, subcomp); + if (comp_uid) { + updated_uids = g_list_prepend (updated_uids, + g_strdup (comp_uid)); + } else + retval = CAL_BACKEND_RESULT_INVALID_OBJECT; } } subcomp = icalcomponent_get_next_component (toplevel_comp, @@ -1613,12 +1642,19 @@ cal_backend_file_update_objects (CalBackend *backend, const char *calobj) /* Now emit notification signals for all of the added components. We do this after adding them all to make sure the calendar is in a stable state before emitting signals. */ - for (elem = comp_uid_list; elem; elem = elem->next) { + for (elem = updated_uids; elem; elem = elem->next) { char *comp_uid = elem->data; cal_backend_notify_update (backend, comp_uid); g_free (comp_uid); } - g_list_free (comp_uid_list); + g_list_free (updated_uids); + + for (elem = removed_uids; elem; elem = elem->next) { + char *comp_uid = elem->data; + cal_backend_notify_remove (backend, comp_uid); + g_free (comp_uid); + } + g_list_free (removed_uids); return retval; } |