Add Windows Media Player Warning

Flow.Launcher/Helper/WindowsMediaPlayerHelper.cs

@@ -0,0 +1,11 @@
+using Microsoft.Win32;
+
+namespace Flow.Launcher.Helper;
+internal static class WindowsMediaPlayerHelper
+{
+    internal static bool IsWindowsMediaPlayerInstalled()
+    {
+        using var key = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\MediaPlayer");
+        return key.GetValue("Installation Directory") != null;
+    }
+}

Flow.Launcher/Languages/en.xaml

@@ -158,6 +158,7 @@
     <system:String x:Key="SoundEffectTip">Play a small sound when the search window opens</system:String>
     <system:String x:Key="SoundEffectVolume">Sound Effect Volume</system:String>
     <system:String x:Key="SoundEffectVolumeTip">Adjust the volume of the sound effect</system:String>
+    <system:String x:Key="SoundEffectWarning">Windows Media Player is unavailable and is required for Flow's volume adjustment. Please check your installation if you need to adjust volume.</system:String>
     <system:String x:Key="Animation">Animation</system:String>
     <system:String x:Key="AnimationTip">Use Animation in UI</system:String>
     <system:String x:Key="AnimationSpeed">Animation Speed</system:String>

Flow.Launcher/MainWindow.xaml.cs

@@ -12,7 +12,6 @@
 using Flow.Launcher.Infrastructure.UserSettings;
 using Flow.Launcher.ViewModel;
 using Screen = System.Windows.Forms.Screen;
-using ContextMenuStrip = System.Windows.Forms.ContextMenuStrip;
 using DragEventArgs = System.Windows.DragEventArgs;
 using KeyEventArgs = System.Windows.Input.KeyEventArgs;
 using NotifyIcon = System.Windows.Forms.NotifyIcon;
@@ -24,7 +23,6 @@
 using ModernWpf.Controls;
 using Key = System.Windows.Input.Key;
 using System.Media;
-using static Flow.Launcher.ViewModel.SettingWindowViewModel;
 using DataObject = System.Windows.DataObject;
 using System.Windows.Media;
 using System.Windows.Interop;
@@ -46,9 +44,12 @@ public partial class MainWindow
         private ContextMenu contextMenu = new ContextMenu();
         private MainViewModel _viewModel;
         private bool _animating;
-        MediaPlayer animationSound = new MediaPlayer();
         private bool isArrowKeyPressed = false;
 
+        private bool isWMPInstalled = true;
+        private MediaPlayer animationSoundWMP;
+        private SoundPlayer animationSoundWPF;
+
         #endregion
 
         public MainWindow(Settings settings, MainViewModel mainVM)
@@ -60,7 +61,7 @@ public MainWindow(Settings settings, MainViewModel mainVM)
             InitializeComponent();
             InitializePosition();
 
-            animationSound.Open(new Uri(AppDomain.CurrentDomain.BaseDirectory + "Resources\\open.wav"));
+            InitSoundEffects();
 
             DataObject.AddPastingHandler(QueryTextBox, OnPaste);
         }
@@ -140,9 +141,7 @@ private void OnLoaded(object sender, RoutedEventArgs _)
                             {
                                 if (_settings.UseSound)
                                 {
-                                    animationSound.Position = TimeSpan.Zero;
-                                    animationSound.Volume = _settings.SoundVolume / 100.0;
-                                    animationSound.Play();
+                                    SoundPlay();
                                 }
                                 UpdatePosition();
                                 PreviewReset();
@@ -508,6 +507,35 @@ public void WindowAnimator()
             windowsb.Begin(FlowMainWindow);
         }
 
+        private void InitSoundEffects()
+        {
+            isWMPInstalled = WindowsMediaPlayerHelper.IsWindowsMediaPlayerInstalled();
+            if (isWMPInstalled)
+            {
+                animationSoundWMP = new MediaPlayer();
+                animationSoundWMP.Open(new Uri(AppDomain.CurrentDomain.BaseDirectory + "Resources\\open.wav"));
+            }
+            else
+            {
+                animationSoundWPF = new SoundPlayer(AppDomain.CurrentDomain.BaseDirectory + "Resources\\open.wav");
+            }
+        }
+
+        private void SoundPlay()
+        {
+
+            if (isWMPInstalled)
+            {
+                animationSoundWMP.Position = TimeSpan.Zero;
+                animationSoundWMP.Volume = _settings.SoundVolume / 100.0;
+                animationSoundWMP.Play();
+            }
+            else
+            {
+                animationSoundWPF.Play();
+            }
+        }
+
         private void OnMouseDown(object sender, MouseButtonEventArgs e)
         {
             if (e.ChangedButton == MouseButton.Left) DragMove();

Flow.Launcher/SettingWindow.xaml

@@ -2519,7 +2519,7 @@
                                                     Width="Auto"
                                                     BorderThickness="1"
                                                     Style="{StaticResource SettingSeparatorStyle}" />
-                                                <Border Margin="0" BorderThickness="0">
+                                                <Border Margin="0" BorderThickness="0" Name="VolumeAdjustCard">
                                                     <Border.Style>
                                                         <Style BasedOn="{StaticResource SettingGroupBox}" TargetType="Border">
                                                             <Setter Property="Visibility" Value="Collapsed" />
@@ -2561,6 +2561,40 @@
                                                         </TextBlock>
                                                     </ItemsControl>
                                                 </Border>
+                                                <Border
+                                                    Name="WMPWarning"
+                                                    Padding="0,10"
+                                                    HorizontalAlignment="Stretch"
+                                                    VerticalAlignment="Center"
+                                                    Background="{DynamicResource InfoBarWarningBG}"
+                                                    BorderBrush="{DynamicResource Color03B}"
+                                                    BorderThickness="0,1,0,0"
+                                                    CornerRadius="0 0 5 5"
+                                                    Visibility="Collapsed">
+                                                    <Grid VerticalAlignment="Center">
+                                                        <Grid.ColumnDefinitions>
+                                                            <ColumnDefinition Width="58" />
+                                                            <ColumnDefinition Width="*" />
+                                                        </Grid.ColumnDefinitions>
+                                                        <ui:FontIcon
+                                                            Grid.Column="0"
+                                                            Margin="20,0,14,0"
+                                                            VerticalAlignment="Center"
+                                                            FontSize="15"
+                                                            Foreground="{DynamicResource InfoBarWarningIcon}"
+                                                            Glyph="&#xf167;" />
+                                                        <TextBlock
+                                                            Grid.Column="1"
+                                                            Margin="0,0,0,2"
+                                                            Padding="0,0,8,0"
+                                                            HorizontalAlignment="Left"
+                                                            FontSize="13"
+                                                            FontWeight="SemiBold"
+                                                            Foreground="{DynamicResource Color05B}"
+                                                            Text="{DynamicResource SoundEffectWarning}"
+                                                            TextWrapping="Wrap" />
+                                                    </Grid>
+                                                </Border>
                                             </StackPanel>
                                         </Border>
 

Flow.Launcher/SettingWindow.xaml.cs

@@ -2,7 +2,6 @@
 using Flow.Launcher.Core.Resource;
 using Flow.Launcher.Helper;
 using Flow.Launcher.Infrastructure;
-using Flow.Launcher.Infrastructure.Hotkey;
 using Flow.Launcher.Infrastructure.UserSettings;
 using Flow.Launcher.Plugin;
 using Flow.Launcher.ViewModel;
@@ -41,7 +40,6 @@ public SettingWindow(IPublicAPI api, SettingWindowViewModel viewModel)
             API = api;
             InitializePosition();
             InitializeComponent();
-
         }
 
         #region General
@@ -63,9 +61,19 @@ private void OnLoaded(object sender, RoutedEventArgs e)
 
             viewModel.PropertyChanged += new PropertyChangedEventHandler(SettingsWindowViewModelChanged);
 
+            CheckMediaPlayer();
             InitializePosition();
         }
 
+        private void CheckMediaPlayer()
+        {
+            if (!WindowsMediaPlayerHelper.IsWindowsMediaPlayerInstalled())
+            {
+                WMPWarning.Visibility = Visibility.Visible;
+                VolumeAdjustCard.Visibility = Visibility.Collapsed;
+            }
+        }
+
         private void SettingsWindowViewModelChanged(object sender, PropertyChangedEventArgs e)
         {
             if (e.PropertyName == nameof(viewModel.ExternalPlugins))