FModel/FModel/Views/AudioPlayer.xaml.cs

using System;
using System.ComponentModel;
using System.IO;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using CSCore.CoreAudioAPI;
using FModel.Services;
using FModel.Settings;
using FModel.ViewModels;
using Microsoft.Win32;

namespace FModel.Views
{
    public partial class AudioPlayer
    {
        private ApplicationViewModel _applicationView => ApplicationService.ApplicationView;

        public AudioPlayer()
        {
            DataContext = _applicationView;
            InitializeComponent();
        }

        public void Load(byte[] data, string filePath)
        {
            _applicationView.AudioPlayer.AddToPlaylist(data, filePath);
        }

        private void OnClosing(object sender, CancelEventArgs e)
        {
            _applicationView.AudioPlayer.Stop();
            _applicationView.AudioPlayer.Dispose();
            DiscordService.DiscordHandler.UpdateToSavedPresence();
        }

        private void OnDeviceSwap(object sender, SelectionChangedEventArgs e)
        {
            if (sender is not ComboBox {SelectedItem: MMDevice selectedDevice})
                return;

            UserSettings.Default.AudioDeviceId = selectedDevice.DeviceID;
            _applicationView.AudioPlayer.Device();
        }

        private void OnVolumeChange(object sender, RoutedEventArgs e)
        {
            _applicationView.AudioPlayer.Volume();
        }

        private void OnPreviewKeyDown(object sender, KeyEventArgs e)
        {
            if (e.OriginalSource is TextBox)
                return;

            if (UserSettings.Default.AddAudio.IsTriggered(e.Key))
            {
                var openFileDialog = new OpenFileDialog
                {
                    Title = "Select an audio file",
                    InitialDirectory = Path.Combine(UserSettings.Default.OutputDirectory, "Exports"),
                    Filter = "OGG Files (*.ogg)|*.ogg|WAV Files (*.wav)|*.wav|WEM Files (*.wem)|*.wem|ADPCM Files (*.adpcm)|*.adpcm|All Files (*.*)|*.*",
                    Multiselect = true
                };

                if (!(bool) openFileDialog.ShowDialog()) return;
                foreach (var file in openFileDialog.FileNames)
                {
                    _applicationView.AudioPlayer.AddToPlaylist(file);
                }
            }
            else if (UserSettings.Default.PlayPauseAudio.IsTriggered(e.Key))
                _applicationView.AudioPlayer.PlayPauseOnStart();
            else if (UserSettings.Default.PreviousAudio.IsTriggered(e.Key))
                _applicationView.AudioPlayer.Previous();
            else if (UserSettings.Default.NextAudio.IsTriggered(e.Key))
                _applicationView.AudioPlayer.Next();
        }

        private void OnAudioFileMouseDoubleClick(object sender, MouseButtonEventArgs e)
        {
            _applicationView.AudioPlayer.PlayPauseOnForce();
        }

        private void OnFilterTextChanged(object sender, TextChangedEventArgs e)
        {
            if (sender is not TextBox textBox)
                return;

            var filters = textBox.Text.Trim().Split(' ');
            _applicationView.AudioPlayer.AudioFilesView.Filter = o =>
            {
                return o is AudioFile audio && filters.All(x => audio.FileName.Contains(x, StringComparison.OrdinalIgnoreCase));
            };
        }
    }
}