Audio Player work.

1 files changed, 132 insertions, 1 deletions

diff --git a/ShiftOS.WinForms/Applications/AudioPlayer.cs b/ShiftOS.WinForms/Applications/AudioPlayer.cs
index b8be6af..6d4d58a 100644
--- a/ShiftOS.WinForms/Applications/AudioPlayer.cs
+++ b/ShiftOS.WinForms/Applications/AudioPlayer.cs
@@ -32,9 +32,15 @@ using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 using ShiftOS.Engine;
+using NAudio;
+using System.Threading;
 
 namespace ShiftOS.WinForms.Applications
 {
+    [AppscapeEntry("Audio Player", "Play music and other sounds on your computer.", 3047, 1000, "file_skimmer", "Entertainment")]
+    [Launcher("Audio Player", false, null, "Entertainment")]
+    [WinOpen("audio_player")]
+    [DefaultTitle("Audio Player")]
     public partial class AudioPlayer : UserControl, IShiftOSWindow
     {
         public AudioPlayer()
@@ -42,9 +48,12 @@ namespace ShiftOS.WinForms.Applications
             InitializeComponent();
         }
 
+        NAudio.Wave.WaveOut o = null;
+        
+
         public void OnLoad()
         {
-            
+            wpaudio.Hide();
         }
 
         public void OnSkinLoad()
@@ -54,6 +63,9 @@ namespace ShiftOS.WinForms.Applications
 
         public bool OnUnload()
         {
+            o?.Dispose();
+            mp3?.Dispose();
+            memstream?.Dispose();
             return true;
         }
 
@@ -61,5 +73,124 @@ namespace ShiftOS.WinForms.Applications
         {
             
         }
+
+        private void addSongToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            FileSkimmerBackend.GetFile(new[] { ".mp3", ".wav" }, FileOpenerStyle.Open, (path) =>
+             {
+                 if (!lbtracks.Items.Contains(path))
+                     lbtracks.Items.Add(path);
+                 else
+                     Infobox.Show("Song already added!", "That song is already added to the Audio Player playlist.");
+             });
+        }
+
+        private void clearToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            lbtracks.Items.Clear();
+        }
+
+        private void shuffleToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            var lst = new object[lbtracks.Items.Count];
+            lbtracks.Items.CopyTo(lst, 0);
+            var shuffle = new List<object>(lst);
+            shuffle.Shuffle();
+            lbtracks.Items.Clear();
+            lbtracks.Items.AddRange(shuffle.ToArray());
+        }
+
+        private void removeToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            lbtracks.Items.RemoveAt(lbtracks.SelectedIndex);
+        }
+
+        private void btnplay_Click(object sender, EventArgs e)
+        {
+            if(o == null)
+            {
+                if (lbtracks.Items.Count > 0)
+                {
+                    Play(lbtracks.Items[0].ToString());
+                    btnplay.Text = "Pause";
+                }
+                else
+                    Infobox.Show("Error", "No tracks to play! Please add a track to the playlist.");
+            }
+            else if(o.PlaybackState == NAudio.Wave.PlaybackState.Paused)
+            {
+                o.Resume();
+                btnplay.Text = "Pause";
+            }
+            else if(o.PlaybackState == NAudio.Wave.PlaybackState.Playing)
+            {
+                o.Pause();
+                btnplay.Text = "Play";
+            }
+        }
+
+        System.IO.Stream memstream = null;
+        NAudio.Wave.Mp3FileReader mp3 = null;
+
+        public void Play(string track)
+        {
+            if (o != null)
+            {
+                o.Dispose();
+                mp3.Dispose();
+                memstream.Dispose();
+            }
+            var bytes = ShiftOS.Objects.ShiftFS.Utils.ReadAllBytes(track);
+            memstream = new System.IO.MemoryStream(bytes);
+            mp3 = new NAudio.Wave.Mp3FileReader(memstream);
+            o = new NAudio.Wave.WaveOut();
+            o.Init(mp3);
+            o.Play();
+
+            pgplaytime.Value = 0;
+            pgplaytime.Maximum = (int)mp3.Length;
+            new Thread(() =>
+            {
+                while(o.PlaybackState == NAudio.Wave.PlaybackState.Playing || o.PlaybackState == NAudio.Wave.PlaybackState.Paused)
+                {
+                    long time = mp3.Position;
+                    if(time != mp3.Position)
+                    {
+                        time = mp3.Position;
+                        this.Invoke(new Action(() =>
+                        {
+                            pgplaytime.Value = (int)time;
+                        }));
+                    }
+                }
+            }).Start();
+        }
+
+        private void lbtracks_SelectedIndexChanged(object sender, EventArgs e)
+        {
+            try
+            {
+                Play(lbtracks.SelectedItem.ToString());
+            }
+            catch { }
+        }
+    }
+
+    public static class ListExtensions
+    {
+        private static Random rng = new Random();
+
+        public static void Shuffle<T>(this IList<T> list)
+        {
+            int n = list.Count;
+            while (n > 1)
+            {
+                n--;
+                int k = rng.Next(n + 1);
+                T value = list[k];
+                list[k] = list[n];
+                list[n] = value;
+            }
+        }
     }
 }