From e742b97b44c80e0f011cde117df61649cbc72c62 Mon Sep 17 00:00:00 2001
From: TheXamlGuy <dan_clark@outlook.com>
Date: Wed, 10 Jan 2024 20:59:55 +0000
Subject: [PATCH] Media controller WIP

---
 .../BackwardRequest.cs                        |  3 ++
 .../FowardRequest.cs                          |  3 ++
 .../MediaController.cs                        | 24 ++++++++--
 .../MediaControllerInitializer.cs             | 47 +++++++++++++++++++
 .../MediaControllerWidgetProvider.cs          |  1 +
 .../PauseRequest.cs                           |  3 ++
 .../PlayRequest.cs                            |  3 ++
 7 files changed, 79 insertions(+), 5 deletions(-)
 create mode 100644 Hyperbar.Windows.MediaController/BackwardRequest.cs
 create mode 100644 Hyperbar.Windows.MediaController/FowardRequest.cs
 create mode 100644 Hyperbar.Windows.MediaController/MediaControllerInitializer.cs
 create mode 100644 Hyperbar.Windows.MediaController/PauseRequest.cs
 create mode 100644 Hyperbar.Windows.MediaController/PlayRequest.cs

diff --git a/Hyperbar.Windows.MediaController/BackwardRequest.cs b/Hyperbar.Windows.MediaController/BackwardRequest.cs
new file mode 100644
index 0000000..6a7153c
--- /dev/null
+++ b/Hyperbar.Windows.MediaController/BackwardRequest.cs
@@ -0,0 +1,3 @@
+namespace Hyperbar.Windows.Primary;
+
+public record BackwardRequest : INotification;
diff --git a/Hyperbar.Windows.MediaController/FowardRequest.cs b/Hyperbar.Windows.MediaController/FowardRequest.cs
new file mode 100644
index 0000000..7cb05d1
--- /dev/null
+++ b/Hyperbar.Windows.MediaController/FowardRequest.cs
@@ -0,0 +1,3 @@
+namespace Hyperbar.Windows.Primary;
+
+public record FowardRequest : INotification;
diff --git a/Hyperbar.Windows.MediaController/MediaController.cs b/Hyperbar.Windows.MediaController/MediaController.cs
index 5deeec7..dd1440f 100644
--- a/Hyperbar.Windows.MediaController/MediaController.cs
+++ b/Hyperbar.Windows.MediaController/MediaController.cs
@@ -1,10 +1,24 @@
-namespace Hyperbar.Windows.Primary;
+using Windows.Media.Control;
 
-public class MediaController :
-    IInitializer
+namespace Hyperbar.Windows.Primary;
+
+public class MediaController : 
+    INotificationHandler<PlayRequest>, 
+    IDisposable
 {
-    public Task InitializeAsync()
+    public MediaController(GlobalSystemMediaTransportControlsSession session)
+    {
+
+    }
+
+    public void Dispose()
     {
         throw new NotImplementedException();
     }
-}
+
+    public ValueTask Handle(PlayRequest notification, 
+        CancellationToken cancellationToken)
+    {
+        throw new NotImplementedException();
+    }
+}
\ No newline at end of file
diff --git a/Hyperbar.Windows.MediaController/MediaControllerInitializer.cs b/Hyperbar.Windows.MediaController/MediaControllerInitializer.cs
new file mode 100644
index 0000000..303a93f
--- /dev/null
+++ b/Hyperbar.Windows.MediaController/MediaControllerInitializer.cs
@@ -0,0 +1,47 @@
+using Windows.Media.Control;
+
+namespace Hyperbar.Windows.Primary;
+
+public class MediaControllerInitializer :
+    IInitializer
+{
+    private readonly List<GlobalSystemMediaTransportControlsSession> sessions = [];
+
+    public async Task InitializeAsync()
+    {
+        GlobalSystemMediaTransportControlsSessionManager mediaTransportControlsSessionManager =
+            await GlobalSystemMediaTransportControlsSessionManager.RequestAsync();
+
+        mediaTransportControlsSessionManager.SessionsChanged += OnSessionsChanged;
+        IReadOnlyList<GlobalSystemMediaTransportControlsSession> sessions = 
+            mediaTransportControlsSessionManager.GetSessions();
+
+        foreach (var session in sessions)
+        {
+            this.sessions.Add(session);
+        }
+    }
+
+    private void OnSessionsChanged(GlobalSystemMediaTransportControlsSessionManager sender, 
+        SessionsChangedEventArgs args)
+    {
+        IReadOnlyList<GlobalSystemMediaTransportControlsSession> sessions =
+            sender.GetSessions();
+
+        foreach (var session in this.sessions.ToList())
+        {
+            if (!sessions.Contains(session))
+            {
+                this.sessions.Remove(session);
+            }
+        }
+
+        foreach (var session in sessions)
+        {
+            if (!this.sessions.Contains(session))
+            {
+                this.sessions.Add(session);
+            }
+        }
+    }
+}
diff --git a/Hyperbar.Windows.MediaController/MediaControllerWidgetProvider.cs b/Hyperbar.Windows.MediaController/MediaControllerWidgetProvider.cs
index fe761f1..0794183 100644
--- a/Hyperbar.Windows.MediaController/MediaControllerWidgetProvider.cs
+++ b/Hyperbar.Windows.MediaController/MediaControllerWidgetProvider.cs
@@ -9,6 +9,7 @@ public class MediaControllerWidgetProvider :
 {
     public void Create(HostBuilderContext comtext, IServiceCollection services) =>
             services.AddWidgetTemplate<MediaControllerWidgetViewModel, MediaControllerWidgetView>()
+                .AddTransient<IInitializer, MediaControllerInitializer>()
                 .AddContentTemplate<MediaControllerViewModel, MediaControllerView>()
                 .AddContentTemplate<MediaControllerViewModel, MediaControllerView>()
                 .AddContentTemplate<MediaControllerViewModel, MediaControllerView>()
diff --git a/Hyperbar.Windows.MediaController/PauseRequest.cs b/Hyperbar.Windows.MediaController/PauseRequest.cs
new file mode 100644
index 0000000..8acbf03
--- /dev/null
+++ b/Hyperbar.Windows.MediaController/PauseRequest.cs
@@ -0,0 +1,3 @@
+namespace Hyperbar.Windows.Primary;
+
+public record PauseRequest : INotification;
diff --git a/Hyperbar.Windows.MediaController/PlayRequest.cs b/Hyperbar.Windows.MediaController/PlayRequest.cs
new file mode 100644
index 0000000..1e45b4a
--- /dev/null
+++ b/Hyperbar.Windows.MediaController/PlayRequest.cs
@@ -0,0 +1,3 @@
+namespace Hyperbar.Windows.Primary;
+
+public record PlayRequest : INotification;