reset notice banner on page update

src/app/browser/window/tab/item/page/notice.rs

@@ -1,24 +1,33 @@
 use adw::Banner;
 
-pub trait Notice {
-    fn notice() -> Self;
-    fn show(&self, title: &str);
+pub struct Notice {
+    pub banner: Banner,
 }
 
-impl Notice for Banner {
+impl Notice {
     // Constructors
 
     /// Create new `Self`
-    fn notice() -> Self {
+    pub fn new() -> Self {
         let banner = Banner::builder().button_label("Ok").build();
         banner.connect_button_clicked(|this| this.set_revealed(false));
-        banner
+        Self { banner }
     }
 
     // Actions
 
-    fn show(&self, title: &str) {
-        self.set_title(title);
-        self.set_revealed(true);
+    pub fn show(&self, title: &str) {
+        self.banner.set_title(title);
+        self.banner.set_revealed(true);
+    }
+
+    pub fn unset(&self) {
+        self.banner.set_revealed(false);
+    }
+}
+
+impl Default for Notice {
+    fn default() -> Self {
+        Self::new()
     }
 }