Add system notification support for crashes and updates

src/core/notification.rs

@@ -1,6 +1,23 @@
+use gtk::gio;
+use gtk::prelude::*;
+
 use super::database::Database;
 use super::security;
 
+/// Send a desktop notification via gio.
+pub fn send_system_notification(
+    app: &gio::Application,
+    id: &str,
+    title: &str,
+    body: &str,
+    priority: gio::NotificationPriority,
+) {
+    let notification = gio::Notification::new(title);
+    notification.set_body(Some(body));
+    notification.set_priority(priority);
+    app.send_notification(Some(id), &notification);
+}
+
 /// A CVE notification to send to the user.
 #[derive(Debug, Clone)]
 pub struct CveNotification {