From 130e6d9573d0515446030435f7176aa8cd21a5cb Mon Sep 17 00:00:00 2001
From: Me on Windows <fml@windows.invalid>
Date: Mon, 5 Jul 2021 18:45:59 +0000
Subject: [PATCH] Implement song clicking

---
 QuickPlay/MainActivity.cs |  7 +++++++
 QuickPlay/SongRecycler.cs | 11 +++++++++--
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/QuickPlay/MainActivity.cs b/QuickPlay/MainActivity.cs
index fd86f36..be7b912 100644
--- a/QuickPlay/MainActivity.cs
+++ b/QuickPlay/MainActivity.cs
@@ -64,6 +64,7 @@ namespace QuickPlay
             // Since this is rather complicated, it is in a separate method
             InitializeRecyclerView();
 
+            // FIXME: This should be in OnResume...
             // Refresh player info
             OnPlayerUpdate();
         }
@@ -73,6 +74,7 @@ namespace QuickPlay
             recyclerView = FindViewById<Android.Support.V7.Widget.RecyclerView>(Resource.Id.recyclerView1);
             var layoutStrategy = new LexicographicLayoutStrategy();
             var adapter = new SongRecyclerAdapter(currentPlayer, layoutStrategy);
+            adapter.SongClick += OnSongClick;
             recyclerView.SetAdapter(adapter);
             var layoutManager = new GridLayoutManager(this, 2, GridLayoutManager.Vertical, false);
             recyclerView.SetLayoutManager(layoutManager);
@@ -141,5 +143,10 @@ namespace QuickPlay
                     )
                 );
         }
+
+        public void OnSongClick(object sender, IPlayable song)
+        {
+            throw new NotImplementedException("Song click.");
+        } 
     }
 }
diff --git a/QuickPlay/SongRecycler.cs b/QuickPlay/SongRecycler.cs
index 39fbd88..16adad4 100644
--- a/QuickPlay/SongRecycler.cs
+++ b/QuickPlay/SongRecycler.cs
@@ -13,6 +13,7 @@ namespace QuickPlay
 {
     class SongRecyclerAdapter : Android.Support.V7.Widget.RecyclerView.Adapter
     {
+        public event EventHandler<IPlayable> SongClick;
         IPlayer player;
         ILayoutStrategy layoutStrategy;
         public SongRecyclerAdapter(IPlayer player, ILayoutStrategy layoutStrategy)
@@ -31,7 +32,7 @@ namespace QuickPlay
         {
             // I admit I have little idea what I am doing.
             View itemView = LayoutInflater.From(parent.Context).Inflate(Resource.Layout.songLayout, parent, false);
-            return new SongRecyclerViewHolder(itemView);
+            return new SongRecyclerViewHolder(itemView, OnItemClick);
         }
         public override void OnBindViewHolder(RecyclerView.ViewHolder holder, int position)
         {
@@ -39,13 +40,19 @@ namespace QuickPlay
             List<IPlayable> layout = layoutStrategy.LayOut(player.Songs.Values);
             vh.SongName.Text = layout[position].Identifier;
         }
+        void OnItemClick(int position)
+        {
+            IPlayable playable = layoutStrategy.LayOut(player.Songs.Values)[position];
+            if (SongClick != null) SongClick.Invoke(this, playable);
+        }
     }
     class SongRecyclerViewHolder : Android.Support.V7.Widget.RecyclerView.ViewHolder
     {
         public TextView SongName { get; private set; }
-        public SongRecyclerViewHolder(View itemView) : base(itemView)
+        public SongRecyclerViewHolder(View itemView, Action<int> callback) : base(itemView)
         {
             SongName = itemView.FindViewById<TextView>(Resource.Id.songName);
+            itemView.Click += (sender, e) => callback(base.LayoutPosition);
         }
     }
 }
\ No newline at end of file