Add settings for fallback behavior

update action icon with padding

src/FocusVolumeControl/ActiveAudioSessionWrapper.cs

@@ -1,73 +0,0 @@
-using CoreAudio;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace FocusVolumeControl
-{
-	public class ActiveAudioSessionWrapper
-	{
-		public string DisplayName { get; set; }
-		public string ExecutablePath { get; set; }
-		private List<SimpleAudioVolume> Volume { get; } = new List<SimpleAudioVolume>();
-
-		public string Icon { get; set; }
-
-		public bool Any()
-		{
-			return Volume.Any();
-		}
-		public int Count => Volume.Count;
-
-		public void AddVolume(SimpleAudioVolume volume)
-		{
-			Volume.Add(volume);
-		}
-
-		public void ToggleMute()
-		{
-			//when all volumes are muted, Volume.All will return true
-			//so we swap from muted to false (opposite of Volume.All)
-
-			//when any volumes are unmuted, Volume.All will return false
-			//so we set muted to true (opposite of Volume.All)
-
-			var muted = Volume.All(x => x.Mute);
-
-			Volume.ForEach(x => x.Mute = !muted);
-		}
-
-		public bool? GetMuted()
-		{
-			var muted = Volume.All(x => x.Mute);
-			var unmuted = Volume.All(x => !x.Mute);
-
-			if(muted == !unmuted)
-			{
-				return muted;
-			}
-			return null;
-		}
-
-		public void IncrementVolumeLevel(int step, int ticks)
-		{
-			//if you have more than one volume. they will all get set based on the first volume control
-			var level = Volume.FirstOrDefault()?.MasterVolume ?? 0;
-
-			level += (0.01f * step) * ticks;
-			level = Math.Max(level, 0);
-
-			Volume.ForEach(x => x.MasterVolume = level);
-		}
-
-		public int GetVolumeLevel()
-		{
-			var level = Volume.FirstOrDefault()?.MasterVolume ?? 0;
-			return (int)(level * 100);
-		}
-
-
-	}
-}

src/FocusVolumeControl/AudioHelper.cs

@@ -1,20 +1,18 @@
 using CoreAudio;
+using FocusVolumeControl.AudioSessions;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
-using System.Runtime.InteropServices;
-using System.Text;
-using System.Threading.Tasks;
 
-namespace FocusVolumeControl
+namespace FocusVolumeControl;
+
+public class AudioHelper
 {
-	public class AudioHelper
+	IAudioSession _current;
-	{
-		ActiveAudioSessionWrapper _current;
 	List<Process> _currentProcesses;
 
-		public ActiveAudioSessionWrapper FindSession(List<Process> processes)
+	public IAudioSession FindSession(List<Process> processes)
 	{
 		var deviceEnumerator = new MMDeviceEnumerator(Guid.NewGuid());
 
@@ -34,7 +32,7 @@ namespace FocusVolumeControl
 				try
 				{
 					var displayName = audioProcess.MainModule.FileVersionInfo.FileDescription;
-						if(string.IsNullOrEmpty(displayName))
+					if (string.IsNullOrEmpty(displayName))
 					{
 						displayName = audioProcess.ProcessName;
 					}
@@ -54,7 +52,11 @@ namespace FocusVolumeControl
 		return matchingSession.Any() ? matchingSession : null;
 	}
 
-		public ActiveAudioSessionWrapper GetActiveSession()
+	static object _lock = new object();
+
+	public IAudioSession GetActiveSession(FallbackBehavior fallbackBehavior)
+	{
+		lock (_lock)
 		{
 			var processes = GetPossibleProcesses();
 
@@ -63,9 +65,22 @@ namespace FocusVolumeControl
 				_current = FindSession(processes);
 			}
 
+			if(_current == null)
+			{
+				if(fallbackBehavior == FallbackBehavior.SystemSounds)
+				{
+					_current = GetSystemSounds();
+				}
+				else if(fallbackBehavior == FallbackBehavior.SystemVolume)
+				{
+					_current = GetSystemVolume();
+				}
+			}
+
 			_currentProcesses = processes;
 			return _current;
 		}
+	}
 
 	/// <summary>
 	/// Get the list of processes that might be currently selected
@@ -117,5 +132,49 @@ namespace FocusVolumeControl
 
 	}
 
+	public void ResetAll()
+	{
+		try
+		{
+			var deviceEnumerator = new MMDeviceEnumerator(Guid.NewGuid());
+
+			using var device = deviceEnumerator.GetDefaultAudioEndpoint(DataFlow.Render, Role.Multimedia);
+			using var manager = device.AudioSessionManager2;
+
+			foreach (var session in manager.Sessions)
+			{
+				session.SimpleAudioVolume.MasterVolume = 1;
+				session.SimpleAudioVolume.Mute = false;
 			}
+		}
+		catch { }
+	}
+
+	public IAudioSession GetSystemSounds()
+	{
+		var deviceEnumerator = new MMDeviceEnumerator(Guid.NewGuid());
+
+		using var device = deviceEnumerator.GetDefaultAudioEndpoint(DataFlow.Render, Role.Multimedia);
+		using var manager = device.AudioSessionManager2;
+
+		var sessions = manager.Sessions;
+
+		foreach (var session in sessions)
+		{
+			if (session.IsSystemSoundsSession)
+			{
+				return new SystemSoundsAudioSession(session.SimpleAudioVolume);
+			}
+		}
+
+		return null;
+	}
+	public IAudioSession GetSystemVolume()
+	{
+		var deviceEnumerator = new MMDeviceEnumerator(Guid.NewGuid());
+
+		using var device = deviceEnumerator.GetDefaultAudioEndpoint(DataFlow.Render, Role.Multimedia);
+		return new SystemVolumeAudioSession(device.AudioEndpointVolume);
+	}
+
 }

src/FocusVolumeControl/AudioSessions/ActiveAudioSessionWrapper.cs

@@ -0,0 +1,82 @@
+using CoreAudio;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using BarRaider.SdTools;
+using System.Drawing;
+
+namespace FocusVolumeControl.AudioSessions;
+
+public class ActiveAudioSessionWrapper : IAudioSession
+{
+	public string DisplayName { get; set; }
+	public string ExecutablePath { get; set; }
+	private List<SimpleAudioVolume> Volume { get; } = new List<SimpleAudioVolume>();
+
+	string _icon;
+
+	public string GetIcon()
+	{
+		if (string.IsNullOrEmpty(_icon))
+		{
+			try
+			{
+				var tmp = Icon.ExtractAssociatedIcon(ExecutablePath);
+				_icon = Tools.ImageToBase64(tmp.ToBitmap(), true);
+			}
+			catch
+			{
+				_icon = "Image/pluginIcon.png";
+			}
+		}
+		return _icon;
+	}
+
+	public bool Any()
+	{
+		return Volume.Any();
+	}
+	public int Count => Volume.Count;
+
+	public void AddVolume(SimpleAudioVolume volume)
+	{
+		Volume.Add(volume);
+	}
+
+	public void ToggleMute()
+	{
+		//when all volumes are muted, Volume.All will return true
+		//so we swap from muted to false (opposite of Volume.All)
+
+		//when any volumes are unmuted, Volume.All will return false
+		//so we set muted to true (opposite of Volume.All)
+
+		var muted = Volume.All(x => x.Mute);
+
+		Volume.ForEach(x => x.Mute = !muted);
+	}
+
+	public bool IsMuted()
+	{
+		return Volume.All(x => x.Mute);
+	}
+
+	public void IncrementVolumeLevel(int step, int ticks)
+	{
+		//if you have more than one volume. they will all get set based on the first volume control
+		var level = Volume.FirstOrDefault()?.MasterVolume ?? 0;
+
+		level += (0.01f * step) * ticks;
+		level = Math.Max(level, 0);
+		level = Math.Min(level, 1);
+
+		Volume.ForEach(x => x.MasterVolume = level);
+	}
+
+	public int GetVolumeLevel()
+	{
+		var level = Volume.FirstOrDefault()?.MasterVolume ?? 0;
+		return (int)(level * 100);
+	}
+
+}

src/FocusVolumeControl/AudioSessions/IAudioSession.cs

@@ -0,0 +1,16 @@
+namespace FocusVolumeControl.AudioSessions;
+
+public interface IAudioSession
+{
+	public string DisplayName { get; }
+
+	public string GetIcon();
+
+	public void ToggleMute();
+
+	public bool IsMuted();
+
+	public void IncrementVolumeLevel(int step, int ticks);
+
+	public int GetVolumeLevel();
+}

src/FocusVolumeControl/AudioSessions/SystemSoundsAudioSession.cs

@@ -0,0 +1,38 @@
+using CoreAudio;
+using System;
+
+namespace FocusVolumeControl.AudioSessions;
+
+internal class SystemSoundsAudioSession : IAudioSession
+{
+	public SystemSoundsAudioSession(SimpleAudioVolume volumeControl)
+	{
+		_volumeControl = volumeControl;
+	}
+
+	SimpleAudioVolume _volumeControl;
+
+	public string DisplayName => "System sounds";
+	public string GetIcon() => "Images/systemSounds";
+
+	public void ToggleMute()
+	{
+		_volumeControl.Mute = !_volumeControl.Mute;
+	}
+
+	public bool IsMuted() => _volumeControl.Mute;
+
+	public void IncrementVolumeLevel(int step, int ticks)
+	{
+		var level = _volumeControl.MasterVolume;
+
+		level += (0.01f * step) * ticks;
+		level = Math.Max(level, 0);
+		level = Math.Min(level, 1);
+
+		_volumeControl.MasterVolume = level;
+	}
+
+	public int GetVolumeLevel() => (int)(_volumeControl.MasterVolume * 100);
+
+}

src/FocusVolumeControl/AudioSessions/SystemVolumeAudioSession.cs

@@ -0,0 +1,38 @@
+using CoreAudio;
+using System;
+
+namespace FocusVolumeControl.AudioSessions;
+
+internal class SystemVolumeAudioSession : IAudioSession
+{
+	public SystemVolumeAudioSession(AudioEndpointVolume volumeControl)
+	{
+		_volumeControl = volumeControl;
+	}
+
+	AudioEndpointVolume _volumeControl;
+
+	public string DisplayName => "System Volume";
+	public string GetIcon() => "Images/actionIcon";
+
+	public void ToggleMute()
+	{
+		_volumeControl.Mute = !_volumeControl.Mute;
+	}
+
+	public bool IsMuted() => _volumeControl.Mute;
+
+	public void IncrementVolumeLevel(int step, int ticks)
+	{
+		var level = _volumeControl.MasterVolumeLevelScalar;
+
+		level += (0.01f * step) * ticks;
+		level = Math.Max(level, 0);
+		level = Math.Min(level, 1);
+
+		_volumeControl.MasterVolumeLevelScalar = level;
+	}
+
+	public int GetVolumeLevel() => (int)(_volumeControl.MasterVolumeLevelScalar * 100);
+
+}

src/FocusVolumeControl/DialAction.cs

@@ -1,46 +1,29 @@
 using BarRaider.SdTools;
 using BarRaider.SdTools.Payloads;
-using CoreAudio;
+using FocusVolumeControl.AudioSessions;
 using FocusVolumeControl.UI;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using System;
-using System.Collections.Generic;
-using System.Data;
-using System.Diagnostics;
-using System.Drawing;
-using System.IO;
-using System.Linq;
-using System.Runtime.InteropServices;
-using System.ServiceModel.Description;
-using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 using System.Windows.Threading;
 
-namespace FocusVolumeControl
+namespace FocusVolumeControl;
+
+[PluginActionId("com.dlprows.focusvolumecontrol.dialaction")]
+public class DialAction : EncoderBase
 {
-
-	/*
-    todo:
-    link both discord processes
-    steam not detecting
-
-    long press reset
-
-    option for what to do when on app without sound
-
-     */
-
-
-	[PluginActionId("com.dlprows.focusvolumecontrol.dialaction")]
-	public class DialAction : EncoderBase
-	{
 	private class PluginSettings
 	{
+
+		[JsonProperty("onVolumeNotFound")]
+		public FallbackBehavior FallbackBehavior { get; set; }
+
 		public static PluginSettings CreateDefaultSettings()
 		{
 			PluginSettings instance = new PluginSettings();
+			instance.FallbackBehavior = FallbackBehavior.PreviousApp;
 			return instance;
 		}
 	}
@@ -50,7 +33,7 @@ namespace FocusVolumeControl
 	IntPtr _foregroundWindowChangedEvent;
 	Native.WinEventDelegate _delegate;
 
-		ActiveAudioSessionWrapper _currentAudioSession;
+	IAudioSession _currentAudioSession;
 	AudioHelper _audioHelper = new AudioHelper();
 
 	Thread _thread;
@@ -84,6 +67,8 @@ namespace FocusVolumeControl
 		_thread.SetApartmentState(ApartmentState.STA);
 		_thread.Start();
 
+
+		_currentAudioSession = settings.FallbackBehavior == FallbackBehavior.SystemSounds ? _audioHelper.GetSystemSounds() : _audioHelper.GetSystemVolume();
 	}
 
 	public override async void DialDown(DialPayload payload)
@@ -98,7 +83,7 @@ namespace FocusVolumeControl
 		Logger.Instance.LogMessage(TracingLevel.INFO, "Touch Press");
 		if (payload.IsLongPress)
 		{
-				//todo: iterate through all sessions setting them back to 100 except the master volume
+			_audioHelper.ResetAll();
 		}
 		else
 		{
@@ -108,6 +93,9 @@ namespace FocusVolumeControl
 
 	async Task ToggleMuteAsync()
 	{
+		try
+		{
+
 			if (_currentAudioSession != null)
 			{
 				_currentAudioSession.ToggleMute();
@@ -118,11 +106,19 @@ namespace FocusVolumeControl
 				await Connection.ShowAlert();
 			}
 		}
+		catch (Exception ex)
+		{
+			await Connection.ShowAlert();
+			Logger.Instance.LogMessage(TracingLevel.ERROR, $"Unable to toggle mute: {ex.Message}");
+		}
+	}
 
 	public override async void DialRotate(DialRotatePayload payload)
 	{
 		Logger.Instance.LogMessage(TracingLevel.INFO, "Dial Rotate");
 		//dial rotated. ticks positive for right, negative for left
+		try
+		{
 			if (_currentAudioSession != null)
 			{
 				_currentAudioSession.IncrementVolumeLevel(1, payload.Ticks);
@@ -133,6 +129,12 @@ namespace FocusVolumeControl
 				await Connection.ShowAlert();
 			}
 		}
+		catch (Exception ex)
+		{
+			await Connection.ShowAlert();
+			Logger.Instance.LogMessage(TracingLevel.ERROR, $"Unable to toggle mute: {ex.Message}");
+		}
+	}
 
 	public override void DialUp(DialPayload payload)
 	{
@@ -152,14 +154,10 @@ namespace FocusVolumeControl
 
 	public override async void OnTick()
 	{
-			//called once every 1000ms and can be used for updating the title/image fo the key
+		//called once every 1000ms and can be used for updating the title/image of the key
-			var activeSession = _audioHelper.GetActiveSession();
+		var activeSession = _audioHelper.GetActiveSession(settings.FallbackBehavior);
 
-			if (activeSession == null)
+		if(activeSession != null)
-			{
-				//todo: something?
-			}
-			else
 		{
 			_currentAudioSession = activeSession;
 		}
@@ -172,7 +170,7 @@ namespace FocusVolumeControl
 		if (_currentAudioSession != null)
 		{
 
-				var uiState = UIState.Build(_currentAudioSession);
+			var uiState = new UIState(_currentAudioSession);
 
 			if ( _previousState != null && uiState != null &&
 				uiState.Title == _previousState.Title &&
@@ -216,6 +214,4 @@ namespace FocusVolumeControl
         }
 
 
-	}
-
 }

src/FocusVolumeControl/FallbackBehavior.cs

@@ -0,0 +1,8 @@
+namespace FocusVolumeControl;
+
+public enum FallbackBehavior
+{
+	PreviousApp,
+	SystemSounds,
+	SystemVolume
+}

src/FocusVolumeControl/FocusVolumeControl.csproj

@@ -54,13 +54,16 @@
     <Reference Include="WindowsBase" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="ActiveAudioSessionWrapper.cs" />
+    <Compile Include="AudioSessions\ActiveAudioSessionWrapper.cs" />
     <Compile Include="AudioHelper.cs" />
+    <Compile Include="AudioSessions\SystemSoundsAudioSession.cs" />
+    <Compile Include="AudioSessions\SystemVolumeAudioSession.cs" />
     <Compile Include="DialAction.cs" />
-    <Compile Include="ISDConnectionExtensions.cs" />
+    <Compile Include="AudioSessions\IAudioSession.cs" />
+    <Compile Include="FallbackBehavior.cs" />
+    <Compile Include="UI\ISDConnectionExtensions.cs" />
     <Compile Include="Native.cs" />
     <Compile Include="ParentProcessUtilities.cs" />
-    <Compile Include="PluginAction.cs" />
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="UI\UIState.cs" />
@@ -104,6 +107,12 @@
     <Content Include="Images\pluginIcon.png">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
+    <Content Include="Images\systemSounds%402x.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+    <Content Include="Images\systemSounds.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
     <Content Include="PropertyInspector\PluginActionPI.html">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>

src/FocusVolumeControl/ISDConnectionExtensions.cs

@@ -1,18 +0,0 @@
-using BarRaider.SdTools;
-using Newtonsoft.Json.Linq;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace FocusVolumeControl
-{
-	internal static class ISDConnectionExtensions
-	{
-		public static async Task SetFeedbackAsync(this ISDConnection _this, object feedbackPayload)
-		{
-			await _this.SetFeedbackAsync(JObject.FromObject(feedbackPayload));
-		}
-	}
-}

src/FocusVolumeControl/Native.cs

@@ -1,14 +1,11 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
 using System.Runtime.InteropServices;
-using System.Text;
-using System.Threading.Tasks;
 
-namespace FocusVolumeControl
+namespace FocusVolumeControl;
+
+public class Native
 {
-	public class Native
-	{
 	public delegate void WinEventDelegate(IntPtr hWinEventHook, uint eventType, IntPtr hwnd, int idObject, int idChild, uint dwEventThread, uint dwmsEventTime);
 
 	[DllImport("user32.dll")]
@@ -59,6 +56,7 @@ namespace FocusVolumeControl
 		return ids;
 	}
 
+	[DllImport("ntdll.dll")]
+	public static extern int NtQueryInformationProcess(IntPtr processHandle, int processInformationClass, ref ParentProcessUtilities processInformation, int processInformationLength, out int returnLength);
 
-	}
 }

src/FocusVolumeControl/ParentProcessUtilities.cs

@@ -1,19 +1,15 @@
 using System;
-using System.Collections.Generic;
 using System.Diagnostics;
-using System.Linq;
 using System.Runtime.InteropServices;
-using System.Text;
-using System.Threading.Tasks;
 
-namespace FocusVolumeControl
+namespace FocusVolumeControl;
+
+/// <summary>
+/// A utility class to determine a process parent.
+/// </summary>
+[StructLayout(LayoutKind.Sequential)]
+public struct ParentProcessUtilities
 {
-	/// <summary>
-	/// A utility class to determine a process parent.
-	/// </summary>
-	[StructLayout(LayoutKind.Sequential)]
-	public struct ParentProcessUtilities
-	{
 	// These members must match PROCESS_BASIC_INFORMATION
 	internal IntPtr Reserved1;
 	internal IntPtr PebBaseAddress;
@@ -22,8 +18,6 @@ namespace FocusVolumeControl
 	internal IntPtr UniqueProcessId;
 	internal IntPtr InheritedFromUniqueProcessId;
 
-		[DllImport("ntdll.dll")]
-		private static extern int NtQueryInformationProcess(IntPtr processHandle, int processInformationClass, ref ParentProcessUtilities processInformation, int processInformationLength, out int returnLength);
 	
 	/// <summary>
 	/// Gets the parent process of specified process.
@@ -44,7 +38,7 @@ namespace FocusVolumeControl
 	public static Process GetParentProcess(Process process)
 	{
 		var data = new ParentProcessUtilities();
-			int status = NtQueryInformationProcess(process.Handle, 0, ref data, Marshal.SizeOf(data), out var returnLength);
+		int status = Native.NtQueryInformationProcess(process.Handle, 0, ref data, Marshal.SizeOf(data), out var returnLength);
 		if (status != 0)
 		{
 			return null;
@@ -60,6 +54,4 @@ namespace FocusVolumeControl
 		}
 	}
 
-	}
-
 }

src/FocusVolumeControl/PluginAction.cs

@@ -1,83 +0,0 @@
-using BarRaider.SdTools;
-using Newtonsoft.Json;
-using Newtonsoft.Json.Linq;
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace FocusVolumeControl
-{
-	[PluginActionId("FocusVolumeControl.pluginaction")]
-	public class PluginAction : KeypadBase
-	{
-		private class PluginSettings
-		{
-			public static PluginSettings CreateDefaultSettings()
-			{
-				PluginSettings instance = new PluginSettings();
-				instance.OutputFileName = String.Empty;
-				instance.InputString = String.Empty;
-				return instance;
-			}
-
-			[FilenameProperty]
-			[JsonProperty(PropertyName = "outputFileName")]
-			public string OutputFileName { get; set; }
-
-			[JsonProperty(PropertyName = "inputString")]
-			public string InputString { get; set; }
-		}
-
-		#region Private Members
-
-		private PluginSettings settings;
-
-		#endregion
-		public PluginAction(SDConnection connection, InitialPayload payload) : base(connection, payload)
-		{
-			if (payload.Settings == null || payload.Settings.Count == 0)
-			{
-				this.settings = PluginSettings.CreateDefaultSettings();
-				SaveSettings();
-			}
-			else
-			{
-				this.settings = payload.Settings.ToObject<PluginSettings>();
-			}
-		}
-
-		public override void Dispose()
-		{
-			Logger.Instance.LogMessage(TracingLevel.INFO, $"Destructor called");
-		}
-
-		public override void KeyPressed(KeyPayload payload)
-		{
-			Logger.Instance.LogMessage(TracingLevel.INFO, "Key Pressed");
-		}
-
-		public override void KeyReleased(KeyPayload payload) { }
-
-		public override void OnTick() { }
-
-		public override void ReceivedSettings(ReceivedSettingsPayload payload)
-		{
-			Tools.AutoPopulateSettings(settings, payload.Settings);
-			SaveSettings();
-		}
-
-		public override void ReceivedGlobalSettings(ReceivedGlobalSettingsPayload payload) { }
-
-		#region Private Methods
-
-		private Task SaveSettings()
-		{
-			return Connection.SetSettingsAsync(JObject.FromObject(settings));
-		}
-
-		#endregion
-	}
-}

src/FocusVolumeControl/Program.cs

@@ -1,14 +1,9 @@
 using BarRaider.SdTools;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
-namespace FocusVolumeControl
+namespace FocusVolumeControl;
+
+internal class Program
 {
-	internal class Program
-	{
 	static void Main(string[] args)
 	{
 		// Uncomment this line of code to allow for debugging
@@ -16,5 +11,4 @@ namespace FocusVolumeControl
 
 		SDWrapper.Run(args);
 	}
-	}
 }

src/FocusVolumeControl/PropertyInspector/PluginActionPI.html

@@ -12,6 +12,24 @@
 </head>
 <body>
     <div class="sdpi-wrapper">
+        <div class="sdpi-item">
+            <div class="sdpi-item-label">Fallback Behavior</div>
+            <select class="sdpi-item-value sdProperty" id="fallbackBehavior" oninput="setSettings()">
+                <option value="0">Previous App</option>
+                <option value="1">System Sounds</option>
+                <option value="2">Main System Volume</option>
+            </select>
+        </div>
+        <div class="sdpi-item">
+            <details class="message">
+                <p>If the focused app does not have a volume control you can pick your desired behavior</p>
+                <ul>
+                    <li>Previous App - the focused app will be the last app that had a volume control</li>
+                    <li>System Sounds - switch to control system sounds. For example, if you're using an app that makes a windows "error" sound, its volume is controlled by system sounds. So you can adjust the error sound without impacting other apps</li>
+                    <li>Main System Volume - switch to the main volume control for the system. This will change the volume of all apps</li>
+                </ul>
+            </details>
+        </div>
     </div>
 </body>
 </html>

src/FocusVolumeControl/UI/ISDConnectionExtensions.cs

@@ -0,0 +1,13 @@
+using BarRaider.SdTools;
+using Newtonsoft.Json.Linq;
+using System.Threading.Tasks;
+
+namespace FocusVolumeControl.UI;
+
+internal static class ISDConnectionExtensions
+{
+	public static async Task SetFeedbackAsync(this ISDConnection _this, object feedbackPayload)
+	{
+		await _this.SetFeedbackAsync(JObject.FromObject(feedbackPayload));
+	}
+}

src/FocusVolumeControl/UI/UIState.cs

@@ -8,11 +8,12 @@ using System.Text;
 using System.Threading.Tasks;
 using BarRaider.SdTools;
 using Newtonsoft.Json;
+using FocusVolumeControl.AudioSessions;
 
-namespace FocusVolumeControl.UI
+namespace FocusVolumeControl.UI;
+
+internal class UIState
 {
-	internal class UIState
-	{
 	[JsonProperty("title")]
 	public string Title { get; private init; }
 
@@ -25,41 +26,16 @@ namespace FocusVolumeControl.UI
 	[JsonProperty("icon")]
 	public ValueWithOpacity<string> icon { get; private init; }
 
-		public static UIState Build(ActiveAudioSessionWrapper session)
+	public UIState(IAudioSession session)
 	{
 		var volume = session.GetVolumeLevel();
+		var opacity = session.IsMuted() ? 0.5f : 1;
+		var iconData = session.GetIcon();
 
-			var opacity = session.GetMuted() != true ? 1 : 0.5f;
+		Title = session.DisplayName;
-
+		Value = new() { Value = $"{volume}%", Opacity = opacity };
-			var iconData = "";
+		Indicator = new() { Value = volume, Opacity = opacity };
-
+		icon = new() { Value = iconData, Opacity = opacity };
-			if (session.Icon != null)
-			{
-				iconData = session.Icon;
-			}
-			else
-			{
-				try
-				{
-					var icon = Icon.ExtractAssociatedIcon(session.ExecutablePath);
-					iconData = Tools.ImageToBase64(icon.ToBitmap(), true);
-				}
-				catch
-				{
-					iconData = "Image/pluginIcon.png";
-				}
-				session.Icon = iconData;
 	}
 
-
-			return new UIState()
-			{
-				Title = session.DisplayName,
-				Value = new() { Value = $"{volume}%", Opacity = opacity },
-				Indicator = new() { Value = volume, Opacity = opacity },
-				icon = new() { Value = iconData, Opacity = opacity },
-			};
-		}
-
-	}
 }

src/FocusVolumeControl/UI/ValueWithOpacity.cs

@@ -1,20 +1,13 @@
 using Newtonsoft.Json;
-using System;
-using System.Collections.Generic;
-using System.Data.SqlTypes;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
-namespace FocusVolumeControl.UI
+namespace FocusVolumeControl.UI;
+
+internal class ValueWithOpacity<T>
 {
-	internal class ValueWithOpacity<T>
-	{
 	[JsonProperty("value")]
 	public required T Value { get; init; }
 
 	[JsonProperty("opacity")]
 	public required float Opacity { get; init; }
 
-	}
 }

src/SoundBrowser/MainWindow.xaml.cs

@@ -1,31 +1,17 @@
 using CoreAudio;
 using FocusVolumeControl;
 using System;
-using System.Collections.Generic;
-using System.ComponentModel;
 using System.Diagnostics;
-using System.Linq;
-using System.Management;
-using System.Runtime.InteropServices;
 using System.Text;
-using System.Threading.Tasks;
 using System.Windows;
-using System.Windows.Controls;
-using System.Windows.Data;
-using System.Windows.Documents;
-using System.Windows.Input;
-using System.Windows.Media;
-using System.Windows.Media.Imaging;
-using System.Windows.Navigation;
-using System.Windows.Shapes;
 
-namespace SoundBrowser
+namespace SoundBrowser;
+
+/// <summary>
+/// Interaction logic for MainWindow.xaml
+/// </summary>
+public partial class MainWindow : Window
 {
-	/// <summary>
-	/// Interaction logic for MainWindow.xaml
-	/// </summary>
-	public partial class MainWindow : Window
-	{
 
 	AudioHelper _audioHelper;
 	Native.WinEventDelegate _delegate;
@@ -91,7 +77,6 @@ namespace SoundBrowser
 				sb.AppendLine("picked the following best match");
 				sb.AppendLine($"\tsession: {session.DisplayName}");
 				sb.AppendLine($"\tvolume: {session.GetVolumeLevel()}");
-					sb.AppendLine($"\tcount: {session.Count}");
 			}
 			else
 			{
@@ -130,6 +115,4 @@ namespace SoundBrowser
 	}
 
 
-	}
-
 }

src/SoundBrowser/ParentProcessUtilities.cs

@@ -1,65 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Diagnostics;
-using System.Linq;
-using System.Runtime.InteropServices;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace SoundBrowser
-{
-	/// <summary>
-	/// A utility class to determine a process parent.
-	/// </summary>
-	[StructLayout(LayoutKind.Sequential)]
-	public struct ParentProcessUtilities
-	{
-		// These members must match PROCESS_BASIC_INFORMATION
-		internal IntPtr Reserved1;
-		internal IntPtr PebBaseAddress;
-		internal IntPtr Reserved2_0;
-		internal IntPtr Reserved2_1;
-		internal IntPtr UniqueProcessId;
-		internal IntPtr InheritedFromUniqueProcessId;
-
-		[DllImport("ntdll.dll")]
-		private static extern int NtQueryInformationProcess(IntPtr processHandle, int processInformationClass, ref ParentProcessUtilities processInformation, int processInformationLength, out int returnLength);
-
-		/// <summary>
-		/// Gets the parent process of specified process.
-		/// </summary>
-		/// <param name="id">The process id.</param>
-		/// <returns>An instance of the Process class.</returns>
-		public static Process? GetParentProcess(int id)
-		{
-			Process process = Process.GetProcessById(id);
-			return GetParentProcess(process.Handle);
-		}
-
-		/// <summary>
-		/// Gets the parent process of a specified process.
-		/// </summary>
-		/// <param name="handle">The process handle.</param>
-		/// <returns>An instance of the Process class.</returns>
-		public static Process? GetParentProcess(IntPtr handle)
-		{
-			ParentProcessUtilities pbi = new ParentProcessUtilities();
-			int returnLength;
-			int status = NtQueryInformationProcess(handle, 0, ref pbi, Marshal.SizeOf(pbi), out returnLength);
-			if (status != 0)
-				throw new Win32Exception(status);
-
-			try
-			{
-				return Process.GetProcessById(pbi.InheritedFromUniqueProcessId.ToInt32());
-			}
-			catch (ArgumentException)
-			{
-				// not found
-				return null;
-			}
-		}
-
-	}
-}