Implement desktop tray interface with media controls and QR pairing; add related tests

2026-09-09 10:01:39 +03:00
parent 2da3c9544b
commit 49d10a5242
7 changed files with 350 additions and 5 deletions
@@ -0,0 +1,84 @@
+using System.Runtime.InteropServices;
+using MusicBridge.Agent.Media;
+using MusicBridge.Agent.Network;
+
+namespace MusicBridge.Agent.Desktop;
+
+internal sealed class DesktopHost(Func<MediaState> read, IMediaService media, PairingService pairing,
+    Func<string> network, Action showQr, Action exit, bool visible = true) : IDisposable
+{
+    private readonly object gate = new();
+    private readonly TaskCompletionSource ready = new(TaskCreationOptions.RunContinuationsAsynchronously);
+    private Thread? thread;
+    private AgentWindow? window;
+    private bool disposed;
+
+    public Task StartAsync()
+    {
+        thread = new Thread(Run) { IsBackground = true, Name = "MusicBridge Desktop" };
+        thread.SetApartmentState(ApartmentState.STA);
+        thread.Start();
+        return ready.Task;
+    }
+
+    private void Run()
+    {
+        try
+        {
+            Application.EnableVisualStyles();
+            using var view = new AgentWindow(read, media, pairing, network, showQr);
+            view.Opacity = visible ? 1 : 0;
+            view.ShowInTaskbar = visible;
+            using var menu = new ContextMenuStrip();
+            void ShowWindow() { view.Show(); view.WindowState = FormWindowState.Normal; view.Activate(); }
+            menu.Items.Add("Открыть MusicBridge", null, (_, _) => ShowWindow());
+            var toggle = menu.Items.Add("Play / Pause", null, async (_, _) => await view.SendAsync(new("toggle")));
+            menu.Items.Add("Подключить iPhone", null, (_, _) => { pairing.Open(); showQr(); });
+            menu.Items.Add(new ToolStripSeparator());
+            menu.Items.Add("Завершить MusicBridge", null, (_, _) => { view.AllowClose = true; view.Close(); });
+            using var icon = new NotifyIcon { Icon = SystemIcons.Application, Text = "MusicBridge", ContextMenuStrip = menu, Visible = visible };
+            icon.DoubleClick += (_, _) => ShowWindow();
+            using var timer = new System.Windows.Forms.Timer { Interval = 1000 };
+            timer.Tick += (_, _) =>
+            {
+                var state = read();
+                toggle.Enabled = state.Capabilities.Toggle;
+                var text = state.HasSession ? $"MusicBridge — {state.Title}" : "MusicBridge — нет плеера";
+                icon.Text = text.Length > 63 ? text[..63] : text;
+            };
+            view.Shown += (_, _) => { timer.Start(); ready.TrySetResult(); };
+            lock (gate)
+            {
+                if (disposed) { ready.TrySetCanceled(); return; }
+                window = view;
+            }
+            Application.Run(view);
+            icon.Visible = false;
+        }
+        catch (Exception ex) { ready.TrySetException(ex); }
+        finally
+        {
+            lock (gate) window = null;
+            exit();
+        }
+    }
+
+    public void Dispose()
+    {
+        lock (gate)
+        {
+            disposed = true;
+            if (window is { IsHandleCreated: true } view)
+            {
+                try { view.BeginInvoke(() => { view.AllowClose = true; view.Close(); }); }
+                catch (InvalidOperationException) { }
+            }
+        }
+        thread?.Join(TimeSpan.FromSeconds(2));
+    }
+
+    // Detach only this process; never hide or close the user's shared terminal window.
+    [DllImport("kernel32.dll")]
+    [return: MarshalAs(UnmanagedType.Bool)]
+    internal static extern bool FreeConsole();
+}