Remove notification timeout when removed

src/notiWindow/notiWindow.vala

@@ -121,8 +121,9 @@ namespace SwayNotificatonCenter {
         }
 
         private void remove_notification (Notification noti) {
-            // Remove notification
+            // Remove notification and its destruction timeout
             if (noti != null) {
+                noti.remove_noti_timeout ();
                 noti.destroy ();
             }
 

src/notification/notification.vala

@@ -299,7 +299,7 @@ namespace SwayNotificatonCenter {
             }
         }
 
-        private void add_noti_timeout () {
+        public void add_noti_timeout () {
             uint timeout;
             switch (param.urgency) {
                 case UrgencyLevels.LOW :
@@ -321,7 +321,7 @@ namespace SwayNotificatonCenter {
             }
         }
 
-        private void remove_noti_timeout () {
+        public void remove_noti_timeout () {
             if (timeout_id > 0) {
                 Source.remove (timeout_id);
                 timeout_id = 0;