feat: make notification urgency critical

src/helper.rs

@@ -9,7 +9,7 @@ pub fn run_path() -> String {
 }
 
 pub fn send_notifictation(msg: &str) {
-    match Notification::new().summary("󰀠 Timers").body(msg).show() {
+    match Notification::new().summary("󰀠 Timers").body(msg).urgency(notify_rust::Urgency::Critical).show() {
         Ok(_) => println!("Sent notification sucessfully."),
         Err(_) => println!("Failed to send notification."),
     };

src/timer.rs

@@ -34,7 +34,7 @@ impl Timer {
 
     /// Returns `true` if this [`Timer`] has expired
     pub fn is_expired(&self) -> bool {
-        let expired = Instant::now() - self.start > self.duration;
+        let expired = self.remaining().is_zero();
         if expired {
             self.handle_expiration()
         };