refactored the code, prepared for adding new players

VsDingExtensionProject/Players.cs

@@ -0,0 +1,74 @@
+using Microsoft.VisualStudio.Shell;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Media;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace VitaliiGanzha.VsDingExtension
+{
+    public class Players : IDisposable
+    {
+        private readonly Dictionary<EventType, IList<SoundPlayer>> eventTypeToSoundPlayerMapping;
+
+        public Players()
+        {
+            eventTypeToSoundPlayerMapping = new Dictionary<EventType, IList<SoundPlayer>>();
+            eventTypeToSoundPlayerMapping[EventType.BuildCompleted] = new List<SoundPlayer>() { new SoundPlayer(Resources.build) };
+            eventTypeToSoundPlayerMapping[EventType.BreakpointHit] = new List<SoundPlayer>() { new SoundPlayer(Resources.debug) };
+            eventTypeToSoundPlayerMapping[EventType.TestsCompletedSuccess] = new List<SoundPlayer>() { new SoundPlayer(Resources.ding) };
+            eventTypeToSoundPlayerMapping[EventType.TestsCompletedFailure] = new List<SoundPlayer>() { new SoundPlayer(Resources.ding) }; // TODO: different sound for failed tests
+        }
+
+        public void PlaySoundSafe(EventType eventType)
+        {
+            foreach (var soundPlayer in this.eventTypeToSoundPlayerMapping[eventType])
+            {
+                try
+                {
+                    soundPlayer.Play();
+
+                    // When sound played, break.
+                    // Attempt to play using another player only in case of failure (file gets deleted, etc.)
+                    break; 
+                }
+                catch (Exception ex)
+                {
+                    ActivityLog.LogError(GetType().FullName, ex.Message);
+                }
+            }
+        }
+
+        private void SafeDispose(SoundPlayer soundPlayer)
+        {
+            try
+            {
+                soundPlayer.Dispose();
+            }
+            catch (Exception ex)
+            {
+                ActivityLog.LogError(this.GetType().FullName, "Error when disposing player: " + ex.Message);
+            }
+        }
+
+        public void Dispose()
+        {
+            foreach (var players in this.eventTypeToSoundPlayerMapping.Values)
+            {
+                foreach (var player in players)
+                {
+                    this.SafeDispose(player);
+                }
+            }
+        }
+    }
+
+    public enum EventType
+    {
+        BuildCompleted,
+        BreakpointHit,
+        TestsCompletedSuccess,
+        TestsCompletedFailure
+    }
+}