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https://github.com/aaru-dps/RedBookPlayer.git
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Split common and GUI code into separate projects
This commit is contained in:
Matt Nadareski
287
RedBookPlayer.GUI/PlayerView.xaml.cs
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287
RedBookPlayer.GUI/PlayerView.xaml.cs
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.IO;
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using System.Linq;
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using System.Threading.Tasks;
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using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Interactivity;
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using Avalonia.Markup.Xaml;
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using Avalonia.Media.Imaging;
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using Avalonia.Platform;
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using Avalonia.Threading;
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namespace RedBookPlayer.GUI
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{
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public class PlayerView : UserControl
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{
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/// <summary>
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/// Read-only access to the view model
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/// </summary>
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public PlayerViewModel PlayerViewModel => DataContext as PlayerViewModel;
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/// <summary>
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/// Set of images representing the digits for the UI
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/// </summary>
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private Image[] _digits;
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/// <summary>
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/// Initialize the UI based on the default theme
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/// </summary>
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public PlayerView() : this(null) { }
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/// <summary>
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/// Initialize the UI based on the currently selected theme
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/// </summary>
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/// <param name="xaml">XAML data representing the theme, null for default</param>
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public PlayerView(string xaml)
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{
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DataContext = new PlayerViewModel();
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PlayerViewModel.PropertyChanged += PlayerViewModelStateChanged;
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LoadTheme(xaml);
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InitializeDigits();
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}
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#region Helpers
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/// <summary>
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/// Load an image from the path
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/// </summary>
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/// <param name="path">Path to the image to load</param>
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public async Task<bool> LoadImage(string path)
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{
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return await Dispatcher.UIThread.InvokeAsync(() =>
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{
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PlayerViewModel.Init(path, App.Settings.GenerateMissingTOC, App.Settings.PlayDataTracks, App.Settings.AutoPlay, App.Settings.Volume);
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if (PlayerViewModel.Initialized)
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MainWindow.Instance.Title = "RedBookPlayer - " + path.Split('/').Last().Split('\\').Last();
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return PlayerViewModel.Initialized;
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});
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}
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/// <summary>
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/// Update the view model with new settings
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/// </summary>
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public void UpdateViewModel() => PlayerViewModel.SetLoadDataTracks(App.Settings.PlayDataTracks);
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/// <summary>
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/// Generate the digit string to be interpreted by the frontend
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/// </summary>
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/// <returns>String representing the digits for the frontend</returns>
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private string GenerateDigitString()
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{
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// If the disc isn't initialized, return all '-' characters
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if(PlayerViewModel?.Initialized != true)
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return string.Empty.PadLeft(20, '-');
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// Otherwise, take the current time into account
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ulong sectorTime = GetCurrentSectorTime();
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int[] numbers = new int[]
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{
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PlayerViewModel.CurrentTrackNumber + 1,
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PlayerViewModel.CurrentTrackIndex,
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(int)(sectorTime / (75 * 60)),
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(int)(sectorTime / 75 % 60),
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(int)(sectorTime % 75),
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PlayerViewModel.TotalTracks,
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PlayerViewModel.TotalIndexes,
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(int)(PlayerViewModel.TotalTime / (75 * 60)),
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(int)(PlayerViewModel.TotalTime / 75 % 60),
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(int)(PlayerViewModel.TotalTime % 75),
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};
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return string.Join("", numbers.Select(i => i.ToString().PadLeft(2, '0').Substring(0, 2)));
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}
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/// <summary>
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/// Load the png image for a given character based on the theme
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/// </summary>
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/// <param name="character">Character to load the image for</param>
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/// <returns>Bitmap representing the loaded image</returns>
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private Bitmap GetBitmap(char character)
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{
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try
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{
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if(App.Settings.SelectedTheme == "default")
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{
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IAssetLoader assets = AvaloniaLocator.Current.GetService<IAssetLoader>();
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return new Bitmap(assets.Open(new Uri($"avares://RedBookPlayer/Assets/{character}.png")));
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}
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else
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{
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string themeDirectory = $"{Directory.GetCurrentDirectory()}/themes/{App.Settings.SelectedTheme}";
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using FileStream stream = File.Open($"{themeDirectory}/{character}.png", FileMode.Open);
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return new Bitmap(stream);
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}
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}
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catch
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{
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return null;
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}
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}
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/// <summary>
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/// Get current sector time, accounting for offsets
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/// </summary>
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/// <returns>ulong representing the current sector time</returns>
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private ulong GetCurrentSectorTime()
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{
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ulong sectorTime = PlayerViewModel.CurrentSector;
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if(PlayerViewModel.SectionStartSector != 0)
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sectorTime -= PlayerViewModel.SectionStartSector;
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else
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sectorTime += PlayerViewModel.TimeOffset;
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return sectorTime;
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}
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/// <summary>
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/// Generate a path selection dialog box
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/// </summary>
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/// <returns>User-selected path, if possible</returns>
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private async Task<string> GetPath()
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{
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var dialog = new OpenFileDialog { AllowMultiple = false };
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List<string> knownExtensions = new Aaru.DiscImages.AaruFormat().KnownExtensions.ToList();
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dialog.Filters.Add(new FileDialogFilter()
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{
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Name = "Aaru Image Format (*" + string.Join(", *", knownExtensions) + ")",
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Extensions = knownExtensions.ConvertAll(e => e.TrimStart('.'))
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});
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return (await dialog.ShowAsync((Window)Parent.Parent))?.FirstOrDefault();
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}
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/// <summary>
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/// Initialize the displayed digits array
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/// </summary>
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private void InitializeDigits()
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{
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_digits = new Image[]
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{
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this.FindControl<Image>("TrackDigit1"),
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this.FindControl<Image>("TrackDigit2"),
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this.FindControl<Image>("IndexDigit1"),
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this.FindControl<Image>("IndexDigit2"),
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this.FindControl<Image>("TimeDigit1"),
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this.FindControl<Image>("TimeDigit2"),
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this.FindControl<Image>("TimeDigit3"),
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this.FindControl<Image>("TimeDigit4"),
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this.FindControl<Image>("TimeDigit5"),
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this.FindControl<Image>("TimeDigit6"),
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this.FindControl<Image>("TotalTracksDigit1"),
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this.FindControl<Image>("TotalTracksDigit2"),
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this.FindControl<Image>("TotalIndexesDigit1"),
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this.FindControl<Image>("TotalIndexesDigit2"),
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this.FindControl<Image>("TotalTimeDigit1"),
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this.FindControl<Image>("TotalTimeDigit2"),
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this.FindControl<Image>("TotalTimeDigit3"),
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this.FindControl<Image>("TotalTimeDigit4"),
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this.FindControl<Image>("TotalTimeDigit5"),
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this.FindControl<Image>("TotalTimeDigit6"),
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};
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}
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/// <summary>
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/// Load the theme from a XAML, if possible
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/// </summary>
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/// <param name="xaml">XAML data representing the theme, null for default</param>
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private void LoadTheme(string xaml)
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{
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try
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{
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if(xaml != null)
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new AvaloniaXamlLoader().Load(xaml, null, this);
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else
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AvaloniaXamlLoader.Load(this);
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}
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catch
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{
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AvaloniaXamlLoader.Load(this);
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}
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}
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/// <summary>
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/// Update the UI from the view-model
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/// </summary>
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private void PlayerViewModelStateChanged(object sender, PropertyChangedEventArgs e)
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{
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Dispatcher.UIThread.InvokeAsync(() =>
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{
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string digitString = GenerateDigitString();
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for(int i = 0; i < _digits.Length; i++)
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{
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Bitmap digitImage = GetBitmap(digitString[i]);
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if(_digits[i] != null && digitImage != null)
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_digits[i].Source = digitImage;
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}
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});
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}
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#endregion
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#region Event Handlers
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public async void LoadButton_Click(object sender, RoutedEventArgs e)
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{
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string path = await GetPath();
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if (path == null)
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return;
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await LoadImage(path);
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}
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public void PlayButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.Play();
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public void PauseButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.Pause();
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public void PlayPauseButton_Click(object sender, RoutedEventArgs e)
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{
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if(PlayerViewModel.Playing == true)
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PlayerViewModel.Pause();
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else
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PlayerViewModel.Play();
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}
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public void StopButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.Stop();
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public void NextTrackButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.NextTrack();
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public void PreviousTrackButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.PreviousTrack(App.Settings.AllowSkipHiddenTrack);
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public void NextIndexButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.NextIndex(App.Settings.IndexButtonChangeTrack);
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public void PreviousIndexButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.PreviousIndex(App.Settings.IndexButtonChangeTrack, App.Settings.AllowSkipHiddenTrack);
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public void FastForwardButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.FastForward();
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public void RewindButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.Rewind();
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public void VolumeUpButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.Volume++;
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public void VolumeDownButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.Volume--;
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public void MuteToggleButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.ToggleMute();
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public void EnableDeEmphasisButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.SetDeEmphasis(true);
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public void DisableDeEmphasisButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.SetDeEmphasis(false);
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public void EnableDisableDeEmphasisButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.SetDeEmphasis(!PlayerViewModel.ApplyDeEmphasis);
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#endregion
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}
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}
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