From 27514ab11b7bf2f6b039a33e92b7d99f635640f3 Mon Sep 17 00:00:00 2001
From: Elias Projahn <johrpan@gmail.com>
Date: Fri, 24 Apr 2020 19:56:14 +0200
Subject: [PATCH] Program screen: Close, if player is inactive

---
 musicus/lib/screens/program.dart | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/musicus/lib/screens/program.dart b/musicus/lib/screens/program.dart
index 13d929c..bbf4d90 100644
--- a/musicus/lib/screens/program.dart
+++ b/musicus/lib/screens/program.dart
@@ -100,6 +100,8 @@ class ProgramScreen extends StatefulWidget {
 class _ProgramScreenState extends State<ProgramScreen> {
   BackendState backend;
 
+  StreamSubscription<bool> playerActiveSubscription;
+
   StreamSubscription<List<InternalTrack>> playlistSubscription;
   List<ProgramItem> items = [];
 
@@ -113,6 +115,17 @@ class _ProgramScreenState extends State<ProgramScreen> {
 
     backend = Backend.of(context);
 
+    if (playerActiveSubscription != null) {
+      playerActiveSubscription.cancel();
+    }
+
+    // Close the program screen, if the player is no longer active.
+    playerActiveSubscription = backend.player.active.listen((active) {
+      if (!active) {
+        Navigator.pop(context);
+      }
+    });
+
     if (playlistSubscription != null) {
       playlistSubscription.cancel();
     }
@@ -337,6 +350,7 @@ class _ProgramScreenState extends State<ProgramScreen> {
   @override
   void dispose() {
     super.dispose();
+    playerActiveSubscription.cancel();
     playlistSubscription.cancel();
     positionSubscription.cancel();
   }