Add desktop notifications for track changes, queue end, and errors

Uses notify-rust to send D-Bus desktop notifications from the daemon
when tracks change, the queue empties, or audio errors occur.

1 files changed, 36 insertions, 0 deletions

diff --git a/src/notification.rs b/src/notification.rs
new file mode 100644
index 0000000..2f7baa2
--- /dev/null
+++ b/src/notification.rs
@@ -0,0 +1,36 @@
+use crate::queue::Track;
+
+pub fn notify_track(track: &Track) {
+    let body = match (track.artist.as_deref(), track.title.as_deref()) {
+        (Some(a), Some(t)) => format!("{} - {}", a, t),
+        (_, Some(t)) => t.to_string(),
+        _ => track
+            .path
+            .file_name()
+            .and_then(|n| n.to_str())
+            .unwrap_or("Unknown")
+            .to_string(),
+    };
+
+    let _ = notify_rust::Notification::new()
+        .summary("Now Playing")
+        .body(&body)
+        .appname("rsp")
+        .show();
+}
+
+pub fn notify_queue_ended() {
+    let _ = notify_rust::Notification::new()
+        .summary("Playback Ended")
+        .body("The queue is empty")
+        .appname("rsp")
+        .show();
+}
+
+pub fn notify_error(context: &str) {
+    let _ = notify_rust::Notification::new()
+        .summary("rsp Error")
+        .body(&format!("{} - Check the logs for details", context))
+        .appname("rsp")
+        .show();
+}