Move solution and projects to src

15 files changed, 1249 insertions, 0 deletions

diff --git a/src/Ryujinx.Ava/UI/Helpers/ApplicationOpenedEventArgs.cs b/src/Ryujinx.Ava/UI/Helpers/ApplicationOpenedEventArgs.cs
new file mode 100644
index 00000000..ebf5c16e
--- /dev/null
+++ b/src/Ryujinx.Ava/UI/Helpers/ApplicationOpenedEventArgs.cs
@@ -0,0 +1,16 @@
+using Avalonia.Interactivity;
+using Ryujinx.Ui.App.Common;
+
+namespace Ryujinx.Ava.UI.Helpers
+{
+    public class ApplicationOpenedEventArgs : RoutedEventArgs
+    {
+        public ApplicationData Application { get; }
+
+        public ApplicationOpenedEventArgs(ApplicationData application, RoutedEvent routedEvent)
+        {
+            Application = application;
+            RoutedEvent = routedEvent;
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Ryujinx.Ava/UI/Helpers/BitmapArrayValueConverter.cs b/src/Ryujinx.Ava/UI/Helpers/BitmapArrayValueConverter.cs
new file mode 100644
index 00000000..3fd368f8
--- /dev/null
+++ b/src/Ryujinx.Ava/UI/Helpers/BitmapArrayValueConverter.cs
@@ -0,0 +1,35 @@
+using Avalonia.Data.Converters;
+using Avalonia.Media;
+using Avalonia.Media.Imaging;
+using System;
+using System.Globalization;
+using System.IO;
+
+namespace Ryujinx.Ava.UI.Helpers
+{
+    internal class BitmapArrayValueConverter : IValueConverter
+    {
+        public static BitmapArrayValueConverter Instance = new();
+
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (value == null)
+            {
+                return null;
+            }
+
+            if (value is byte[] buffer && targetType == typeof(IImage))
+            {
+                MemoryStream mem = new(buffer);
+                return new Bitmap(mem);
+            }
+
+            throw new NotSupportedException();
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotSupportedException();
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Ryujinx.Ava/UI/Helpers/ButtonKeyAssigner.cs b/src/Ryujinx.Ava/UI/Helpers/ButtonKeyAssigner.cs
new file mode 100644
index 00000000..6730b571
--- /dev/null
+++ b/src/Ryujinx.Ava/UI/Helpers/ButtonKeyAssigner.cs
@@ -0,0 +1,118 @@
+using Avalonia.Controls;
+using Avalonia.Controls.Primitives;
+using Avalonia.LogicalTree;
+using Avalonia.Threading;
+using Ryujinx.Input;
+using Ryujinx.Input.Assigner;
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Ryujinx.Ava.UI.Helpers
+{
+    internal class ButtonKeyAssigner
+    {
+        internal class ButtonAssignedEventArgs : EventArgs
+        {
+            public ToggleButton Button { get; }
+            public bool IsAssigned { get; }
+
+            public ButtonAssignedEventArgs(ToggleButton button, bool isAssigned)
+            {
+                Button = button;
+                IsAssigned = isAssigned;
+            }
+        }
+        
+        public ToggleButton ToggledButton { get; set; }
+
+        private bool _isWaitingForInput;
+        private bool _shouldUnbind;
+        public event EventHandler<ButtonAssignedEventArgs> ButtonAssigned;
+
+        public ButtonKeyAssigner(ToggleButton toggleButton)
+        {
+            ToggledButton = toggleButton;
+        }
+
+        public async void GetInputAndAssign(IButtonAssigner assigner, IKeyboard keyboard = null)
+        {
+            Dispatcher.UIThread.Post(() =>
+            {
+                ToggledButton.IsChecked = true;
+            });
+
+            if (_isWaitingForInput)
+            {
+                Dispatcher.UIThread.Post(() =>
+                {
+                    Cancel();
+                });
+
+                return;
+            }
+
+            _isWaitingForInput = true;
+
+            assigner.Initialize();
+
+            await Task.Run(async () =>
+            {
+                while (true)
+                {
+                    if (!_isWaitingForInput)
+                    {
+                        return;
+                    }
+
+                    await Task.Delay(10);
+
+                    assigner.ReadInput();
+
+                    if (assigner.HasAnyButtonPressed() || assigner.ShouldCancel() || (keyboard != null && keyboard.IsPressed(Key.Escape)))
+                    {
+                        break;
+                    }
+                }
+            });
+
+            await Dispatcher.UIThread.InvokeAsync(() =>
+            {
+                string pressedButton = assigner.GetPressedButton();
+
+                if (_shouldUnbind)
+                {
+                    SetButtonText(ToggledButton, "Unbound");
+                }
+                else if (pressedButton != "")
+                {
+                    SetButtonText(ToggledButton, pressedButton);
+                }
+
+                _shouldUnbind = false;
+                _isWaitingForInput = false;
+
+                ToggledButton.IsChecked = false;
+
+                ButtonAssigned?.Invoke(this, new ButtonAssignedEventArgs(ToggledButton, pressedButton != null));
+
+                static void SetButtonText(ToggleButton button, string text)
+                {
+                    ILogical textBlock = button.GetLogicalDescendants().First(x => x is TextBlock);
+
+                    if (textBlock != null && textBlock is TextBlock block)
+                    {
+                        block.Text = text;
+                    }
+                }
+            });
+        }
+
+        public void Cancel(bool shouldUnbind = false)
+        {
+            _isWaitingForInput = false;
+            ToggledButton.IsChecked = false;
+            _shouldUnbind = shouldUnbind;
+        }
+    }
+}
diff --git a/src/Ryujinx.Ava/UI/Helpers/ContentDialogHelper.cs b/src/Ryujinx.Ava/UI/Helpers/ContentDialogHelper.cs
new file mode 100644
index 00000000..cb474506
--- /dev/null
+++ b/src/Ryujinx.Ava/UI/Helpers/ContentDialogHelper.cs
@@ -0,0 +1,407 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Media;
+using Avalonia.Threading;
+using FluentAvalonia.Core;
+using FluentAvalonia.UI.Controls;
+using Ryujinx.Ava.Common.Locale;
+using Ryujinx.Ava.UI.Controls;
+using Ryujinx.Ava.UI.Windows;
+using Ryujinx.Common.Logging;
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Ryujinx.Ava.UI.Helpers
+{
+    public static class ContentDialogHelper
+    {
+        private static bool _isChoiceDialogOpen;
+
+        public async static Task<UserResult> ShowContentDialog(
+             string title,
+             object content,
+             string primaryButton,
+             string secondaryButton,
+             string closeButton,
+             UserResult primaryButtonResult = UserResult.Ok,
+             ManualResetEvent deferResetEvent = null,
+             TypedEventHandler<ContentDialog, ContentDialogButtonClickEventArgs> deferCloseAction = null)
+        {
+            UserResult result = UserResult.None;
+
+            ContentDialog contentDialog = new()
+            {
+                Title               = title,
+                PrimaryButtonText   = primaryButton,
+                SecondaryButtonText = secondaryButton,
+                CloseButtonText     = closeButton,
+                Content             = content
+            };
+
+            contentDialog.PrimaryButtonCommand = MiniCommand.Create(() =>
+            {
+                result = primaryButtonResult;
+            });
+
+            contentDialog.SecondaryButtonCommand = MiniCommand.Create(() =>
+            {
+                result = UserResult.No;
+                contentDialog.PrimaryButtonClick -= deferCloseAction;
+            });
+
+            contentDialog.CloseButtonCommand = MiniCommand.Create(() =>
+            {
+                result = UserResult.Cancel;
+                contentDialog.PrimaryButtonClick -= deferCloseAction;
+            });
+
+            if (deferResetEvent != null)
+            {
+                contentDialog.PrimaryButtonClick += deferCloseAction;
+            }
+
+            await ShowAsync(contentDialog);
+
+            return result;
+        }
+
+        private async static Task<UserResult> ShowTextDialog(
+            string title,
+            string primaryText,
+            string secondaryText,
+            string primaryButton,
+            string secondaryButton,
+            string closeButton,
+            int iconSymbol,
+            UserResult primaryButtonResult = UserResult.Ok,
+            ManualResetEvent deferResetEvent = null,
+            TypedEventHandler<ContentDialog, ContentDialogButtonClickEventArgs> deferCloseAction = null)
+        {
+            Grid content = CreateTextDialogContent(primaryText, secondaryText, iconSymbol);
+
+            return await ShowContentDialog(title, content, primaryButton, secondaryButton, closeButton, primaryButtonResult, deferResetEvent, deferCloseAction);
+        }
+
+        public async static Task<UserResult> ShowDeferredContentDialog(
+            StyleableWindow window,
+            string title,
+            string primaryText,
+            string secondaryText,
+            string primaryButton,
+            string secondaryButton,
+            string closeButton,
+            int iconSymbol,
+            ManualResetEvent deferResetEvent,
+            Func<Window, Task> doWhileDeferred = null)
+        {
+            bool startedDeferring = false;
+            UserResult result = UserResult.None;
+
+            return await ShowTextDialog(
+                title,
+                primaryText,
+                secondaryText,
+                primaryButton,
+                secondaryButton,
+                closeButton,
+                iconSymbol,
+                primaryButton == LocaleManager.Instance[LocaleKeys.InputDialogYes] ? UserResult.Yes : UserResult.Ok,
+                deferResetEvent,
+                DeferClose);
+
+            async void DeferClose(ContentDialog sender, ContentDialogButtonClickEventArgs args)
+            {
+                if (startedDeferring)
+                {
+                    return;
+                }
+
+                sender.PrimaryButtonClick -= DeferClose;
+
+                startedDeferring = true;
+
+                var deferral = args.GetDeferral();
+
+                result = primaryButton == LocaleManager.Instance[LocaleKeys.InputDialogYes] ? UserResult.Yes : UserResult.Ok;
+
+                sender.PrimaryButtonClick -= DeferClose;
+
+                _ = Task.Run(() =>
+                {
+                    deferResetEvent.WaitOne();
+
+                    Dispatcher.UIThread.Post(() =>
+                    {
+                        deferral.Complete();
+                    });
+                });
+
+                if (doWhileDeferred != null)
+                {
+                    await doWhileDeferred(window);
+
+                    deferResetEvent.Set();
+                }
+            }
+        }
+
+        private static Grid CreateTextDialogContent(string primaryText, string secondaryText, int symbol)
+        {
+            Grid content = new()
+            {
+                RowDefinitions    = new RowDefinitions()    { new RowDefinition(), new RowDefinition() },
+                ColumnDefinitions = new ColumnDefinitions() { new ColumnDefinition(GridLength.Auto), new ColumnDefinition() },
+
+                MinHeight = 80
+            };
+
+            SymbolIcon icon = new()
+            {
+                Symbol            = (Symbol)symbol,
+                Margin            = new Thickness(10),
+                FontSize          = 40,
+                VerticalAlignment = Avalonia.Layout.VerticalAlignment.Center
+            };
+
+            Grid.SetColumn(icon, 0);
+            Grid.SetRowSpan(icon, 2);
+            Grid.SetRow(icon, 0);
+
+            TextBlock primaryLabel = new()
+            {
+                Text         = primaryText,
+                Margin       = new Thickness(5),
+                TextWrapping = TextWrapping.Wrap,
+                MaxWidth     = 450
+            };
+
+            TextBlock secondaryLabel = new()
+            {
+                Text         = secondaryText,
+                Margin       = new Thickness(5),
+                TextWrapping = TextWrapping.Wrap,
+                MaxWidth     = 450
+            };
+
+            Grid.SetColumn(primaryLabel, 1);
+            Grid.SetColumn(secondaryLabel, 1);
+            Grid.SetRow(primaryLabel, 0);
+            Grid.SetRow(secondaryLabel, 1);
+
+            content.Children.Add(icon);
+            content.Children.Add(primaryLabel);
+            content.Children.Add(secondaryLabel);
+
+            return content;
+        }
+
+        public static async Task<UserResult> CreateInfoDialog(
+            string primary,
+            string secondaryText,
+            string acceptButton,
+            string closeButton,
+            string title)
+        {
+            return await ShowTextDialog(
+                title,
+                primary,
+                secondaryText,
+                acceptButton,
+                "",
+                closeButton,
+                (int)Symbol.Important);
+        }
+
+        internal static async Task<UserResult> CreateConfirmationDialog(
+            string primaryText,
+            string secondaryText,
+            string acceptButtonText,
+            string cancelButtonText,
+            string title,
+            UserResult primaryButtonResult = UserResult.Yes)
+        {
+            return await ShowTextDialog(
+                string.IsNullOrWhiteSpace(title) ? LocaleManager.Instance[LocaleKeys.DialogConfirmationTitle] : title,
+                primaryText,
+                secondaryText,
+                acceptButtonText,
+                "",
+                cancelButtonText,
+                (int)Symbol.Help,
+                primaryButtonResult);
+        }
+
+        internal static async Task CreateUpdaterInfoDialog(string primary, string secondaryText)
+        {
+            await ShowTextDialog(
+                LocaleManager.Instance[LocaleKeys.DialogUpdaterTitle],
+                primary,
+                secondaryText,
+                "",
+                "",
+                LocaleManager.Instance[LocaleKeys.InputDialogOk],
+                (int)Symbol.Important);
+        }
+
+        internal static async Task CreateWarningDialog(string primary, string secondaryText)
+        {
+            await ShowTextDialog(
+                LocaleManager.Instance[LocaleKeys.DialogWarningTitle],
+                primary,
+                secondaryText,
+                "",
+                "",
+                LocaleManager.Instance[LocaleKeys.InputDialogOk],
+                (int)Symbol.Important);
+        }
+
+        internal static async Task CreateErrorDialog(string errorMessage, string secondaryErrorMessage = "")
+        {
+            Logger.Error?.Print(LogClass.Application, errorMessage);
+
+            await ShowTextDialog(
+                LocaleManager.Instance[LocaleKeys.DialogErrorTitle],
+                LocaleManager.Instance[LocaleKeys.DialogErrorMessage],
+                errorMessage,
+                secondaryErrorMessage,
+                "",
+                LocaleManager.Instance[LocaleKeys.InputDialogOk],
+                (int)Symbol.Dismiss);
+        }
+
+        internal static async Task<bool> CreateChoiceDialog(string title, string primary, string secondaryText)
+        {
+            if (_isChoiceDialogOpen)
+            {
+                return false;
+            }
+
+            _isChoiceDialogOpen = true;
+
+            UserResult response = await ShowTextDialog(
+                title,
+                primary,
+                secondaryText,
+                LocaleManager.Instance[LocaleKeys.InputDialogYes],
+                "",
+                LocaleManager.Instance[LocaleKeys.InputDialogNo],
+                (int)Symbol.Help,
+                UserResult.Yes);
+
+            _isChoiceDialogOpen = false;
+
+            return response == UserResult.Yes;
+        }
+
+        internal static async Task<bool> CreateExitDialog()
+        {
+            return await CreateChoiceDialog(
+                LocaleManager.Instance[LocaleKeys.DialogExitTitle],
+                LocaleManager.Instance[LocaleKeys.DialogExitMessage],
+                LocaleManager.Instance[LocaleKeys.DialogExitSubMessage]);
+        }
+
+        internal static async Task<bool> CreateStopEmulationDialog()
+        {
+            return await CreateChoiceDialog(
+                LocaleManager.Instance[LocaleKeys.DialogStopEmulationTitle],
+                LocaleManager.Instance[LocaleKeys.DialogStopEmulationMessage],
+                LocaleManager.Instance[LocaleKeys.DialogExitSubMessage]);
+        }
+
+        public static async Task<ContentDialogResult> ShowAsync(ContentDialog contentDialog)
+        {
+            ContentDialogResult result;
+
+            ContentDialogOverlayWindow contentDialogOverlayWindow = null;
+
+            Window parent = GetMainWindow();
+
+            if (parent != null && parent.IsActive && parent is MainWindow window && window.ViewModel.IsGameRunning)
+            {
+                contentDialogOverlayWindow = new()
+                {
+                    Height        = parent.Bounds.Height,
+                    Width         = parent.Bounds.Width,
+                    Position      = parent.PointToScreen(new Point()),
+                    ShowInTaskbar = false
+                };
+
+                parent.PositionChanged += OverlayOnPositionChanged;
+
+                void OverlayOnPositionChanged(object sender, PixelPointEventArgs e)
+                {
+                    contentDialogOverlayWindow.Position = parent.PointToScreen(new Point());
+                }
+
+                contentDialogOverlayWindow.ContentDialog = contentDialog;
+
+                bool opened = false;
+
+                contentDialogOverlayWindow.Opened += OverlayOnActivated;
+
+                async void OverlayOnActivated(object sender, EventArgs e)
+                {
+                    if (opened)
+                    {
+                        return;
+                    }
+
+                    opened = true;
+
+                    contentDialogOverlayWindow.Position = parent.PointToScreen(new Point());
+
+                    result = await ShowDialog();
+                }
+
+                result = await contentDialogOverlayWindow.ShowDialog<ContentDialogResult>(parent);
+            }
+            else
+            {
+                result = await ShowDialog();
+            }
+
+            async Task<ContentDialogResult> ShowDialog()
+            {
+                if (contentDialogOverlayWindow is not null)
+                {
+                    result = await contentDialog.ShowAsync(contentDialogOverlayWindow);
+
+                    contentDialogOverlayWindow!.Close();
+                }
+                else
+                {
+                    result = await contentDialog.ShowAsync();
+                }
+
+                return result;
+            }
+
+            if (contentDialogOverlayWindow is not null)
+            {
+                contentDialogOverlayWindow.Content = null;
+                contentDialogOverlayWindow.Close();
+            }
+
+            return result;
+        }
+
+        private static Window GetMainWindow()
+        {
+            if (Application.Current.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime al)
+            {
+                foreach (Window item in al.Windows)
+                {
+                    if (item.IsActive && item is MainWindow window)
+                    {
+                        return window;
+                    }
+                }
+            }
+
+            return null;
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Ryujinx.Ava/UI/Helpers/Glyph.cs b/src/Ryujinx.Ava/UI/Helpers/Glyph.cs
new file mode 100644
index 00000000..4aae854f
--- /dev/null
+++ b/src/Ryujinx.Ava/UI/Helpers/Glyph.cs
@@ -0,0 +1,9 @@
+namespace Ryujinx.Ava.UI.Helpers
+{
+    public enum Glyph
+    {
+        List,
+        Grid,
+        Chip
+    }
+}
diff --git a/src/Ryujinx.Ava/UI/Helpers/GlyphValueConverter.cs b/src/Ryujinx.Ava/UI/Helpers/GlyphValueConverter.cs
new file mode 100644
index 00000000..3d6c9c01
--- /dev/null
+++ b/src/Ryujinx.Ava/UI/Helpers/GlyphValueConverter.cs
@@ -0,0 +1,49 @@
+using Avalonia.Data;
+using Avalonia.Markup.Xaml;
+using FluentAvalonia.UI.Controls;
+using System;
+using System.Collections.Generic;
+
+namespace Ryujinx.Ava.UI.Helpers
+{
+    public class GlyphValueConverter : MarkupExtension
+    {
+        private string _key;
+
+        private static Dictionary<Glyph, string> _glyphs = new Dictionary<Glyph, string>
+        {
+            { Glyph.List, char.ConvertFromUtf32((int)Symbol.List).ToString() },
+            { Glyph.Grid, char.ConvertFromUtf32((int)Symbol.ViewAll).ToString() },
+            { Glyph.Chip, char.ConvertFromUtf32(59748).ToString() }
+        };
+
+        public GlyphValueConverter(string key)
+        {
+            _key = key;
+        }
+
+        public string this[string key]
+        {
+            get
+            {
+                if (_glyphs.TryGetValue(Enum.Parse<Glyph>(key), out var val))
+                {
+                    return val;
+                }
+
+                return string.Empty;
+            }
+        }
+
+        public override object ProvideValue(IServiceProvider serviceProvider)
+        {
+            Avalonia.Markup.Xaml.MarkupExtensions.ReflectionBindingExtension binding = new($"[{_key}]")
+            {
+                Mode = BindingMode.OneWay,
+                Source = this
+            };
+
+            return binding.ProvideValue(serviceProvider);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Ryujinx.Ava/UI/Helpers/HotKeyControl.cs b/src/Ryujinx.Ava/UI/Helpers/HotKeyControl.cs
new file mode 100644
index 00000000..f1fad157
--- /dev/null
+++ b/src/Ryujinx.Ava/UI/Helpers/HotKeyControl.cs
@@ -0,0 +1,52 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Input;
+using System;
+using System.Windows.Input;
+
+namespace Ryujinx.Ava.UI.Helpers
+{
+    public class HotKeyControl : ContentControl, ICommandSource
+    {
+        public static readonly StyledProperty<object> CommandParameterProperty =
+            AvaloniaProperty.Register<HotKeyControl, object>(nameof(CommandParameter));
+
+        public static readonly DirectProperty<HotKeyControl, ICommand> CommandProperty =
+            AvaloniaProperty.RegisterDirect<HotKeyControl, ICommand>(nameof(Command),
+                control => control.Command, (control, command) => control.Command = command, enableDataValidation: true);
+
+        public static readonly StyledProperty<KeyGesture> HotKeyProperty = HotKeyManager.HotKeyProperty.AddOwner<Button>();
+
+        private ICommand _command;
+        private bool _commandCanExecute;
+
+        public ICommand Command
+        {
+            get { return _command; }
+            set { SetAndRaise(CommandProperty, ref _command, value); }
+        }
+
+        public KeyGesture HotKey
+        {
+            get { return GetValue(HotKeyProperty); }
+            set { SetValue(HotKeyProperty, value); }
+        }
+
+        public object CommandParameter
+        {
+            get { return GetValue(CommandParameterProperty); }
+            set { SetValue(CommandParameterProperty, value); }
+        }
+
+        public void CanExecuteChanged(object sender, EventArgs e)
+        {
+            var canExecute = Command == null || Command.CanExecute(CommandParameter);
+
+            if (canExecute != _commandCanExecute)
+            {
+                _commandCanExecute = canExecute;
+                UpdateIsEffectivelyEnabled();
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Ryujinx.Ava/UI/Helpers/KeyValueConverter.cs b/src/Ryujinx.Ava/UI/Helpers/KeyValueConverter.cs
new file mode 100644
index 00000000..8d5c2815
--- /dev/null
+++ b/src/Ryujinx.Ava/UI/Helpers/KeyValueConverter.cs
@@ -0,0 +1,46 @@
+using Avalonia.Data.Converters;
+using Ryujinx.Common.Configuration.Hid;
+using Ryujinx.Common.Configuration.Hid.Controller;
+using System;
+using System.Globalization;
+
+namespace Ryujinx.Ava.UI.Helpers
+{
+    internal class KeyValueConverter : IValueConverter
+    {
+        public static KeyValueConverter Instance = new();
+
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (value == null)
+            {
+                return null;
+            }
+
+            return value.ToString();
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            object key = null;
+
+            if (value != null)
+            {
+                if (targetType == typeof(Key))
+                {
+                    key = Enum.Parse<Key>(value.ToString());
+                }
+                else if (targetType == typeof(GamepadInputId))
+                {
+                    key = Enum.Parse<GamepadInputId>(value.ToString());
+                }
+                else if (targetType == typeof(StickInputId))
+                {
+                    key = Enum.Parse<StickInputId>(value.ToString());
+                }
+            }
+
+            return key;
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Ryujinx.Ava/UI/Helpers/LoggerAdapter.cs b/src/Ryujinx.Ava/UI/Helpers/LoggerAdapter.cs
new file mode 100644
index 00000000..7a29cc19
--- /dev/null
+++ b/src/Ryujinx.Ava/UI/Helpers/LoggerAdapter.cs
@@ -0,0 +1,115 @@
+using Avalonia.Utilities;
+using System;
+using System.Text;
+
+namespace Ryujinx.Ava.UI.Helpers
+{
+    using AvaLogger   = Avalonia.Logging.Logger;
+    using AvaLogLevel = Avalonia.Logging.LogEventLevel;
+    using RyuLogClass = Ryujinx.Common.Logging.LogClass;
+    using RyuLogger   = Ryujinx.Common.Logging.Logger;
+
+    internal class LoggerAdapter : Avalonia.Logging.ILogSink
+    {
+        public static void Register()
+        {
+            AvaLogger.Sink = new LoggerAdapter();
+        }
+
+        private static RyuLogger.Log? GetLog(AvaLogLevel level)
+        {
+            return level switch
+            {
+                AvaLogLevel.Verbose     => RyuLogger.Debug,
+                AvaLogLevel.Debug       => RyuLogger.Debug,
+                AvaLogLevel.Information => RyuLogger.Debug,
+                AvaLogLevel.Warning     => RyuLogger.Debug,
+                AvaLogLevel.Error       => RyuLogger.Error,
+                AvaLogLevel.Fatal       => RyuLogger.Error,
+                _ => throw new ArgumentOutOfRangeException(nameof(level), level, null)
+            };
+        }
+
+        public bool IsEnabled(AvaLogLevel level, string area)
+        {
+            return GetLog(level) != null;
+        }
+
+        public void Log(AvaLogLevel level, string area, object source, string messageTemplate)
+        {
+            GetLog(level)?.PrintMsg(RyuLogClass.Ui, Format(level, area, messageTemplate, source, null));
+        }
+
+        public void Log<T0>(AvaLogLevel level, string area, object source, string messageTemplate, T0 propertyValue0)
+        {
+            GetLog(level)?.PrintMsg(RyuLogClass.Ui, Format(level, area, messageTemplate, source, new object[] { propertyValue0 }));
+        }
+
+        public void Log<T0, T1>(AvaLogLevel level, string area, object source, string messageTemplate, T0 propertyValue0,  T1 propertyValue1)
+        {
+            GetLog(level)?.PrintMsg(RyuLogClass.Ui, Format(level, area, messageTemplate, source, new object[] { propertyValue0, propertyValue1 }));
+        }
+
+        public void Log<T0, T1, T2>(AvaLogLevel level, string area, object source, string messageTemplate, T0 propertyValue0, T1 propertyValue1, T2 propertyValue2)
+        {
+            GetLog(level)?.PrintMsg(RyuLogClass.Ui, Format(level, area, messageTemplate, source, new object[] { propertyValue0, propertyValue1, propertyValue2 }));
+        }
+
+        public void Log(AvaLogLevel level, string area, object source, string messageTemplate, params object[] propertyValues)
+        {
+            GetLog(level)?.PrintMsg(RyuLogClass.Ui, Format(level, area, messageTemplate, source, propertyValues));
+        }
+
+        private static string Format(AvaLogLevel level, string area, string template, object source, object[] v)
+        {
+            var result = new StringBuilder();
+            var r = new CharacterReader(template.AsSpan());
+            int i = 0;
+
+            result.Append('[');
+            result.Append(level);
+            result.Append("] ");
+
+            result.Append('[');
+            result.Append(area);
+            result.Append("] ");
+
+            while (!r.End)
+            {
+                var c = r.Take();
+
+                if (c != '{')
+                {
+                    result.Append(c);
+                }
+                else
+                {
+                    if (r.Peek != '{')
+                    {
+                        result.Append('\'');
+                        result.Append(i < v.Length ? v[i++] : null);
+                        result.Append('\'');
+                        r.TakeUntil('}');
+                        r.Take();
+                    }
+                    else
+                    {
+                        result.Append('{');
+                        r.Take();
+                    }
+                }
+            }
+
+            if (source != null)
+            {
+                result.Append(" (");
+                result.Append(source.GetType().Name);
+                result.Append(" #");
+                result.Append(source.GetHashCode());
+                result.Append(')');
+            }
+
+            return result.ToString();
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Ryujinx.Ava/UI/Helpers/MiniCommand.cs b/src/Ryujinx.Ava/UI/Helpers/MiniCommand.cs
new file mode 100644
index 00000000..305182c9
--- /dev/null
+++ b/src/Ryujinx.Ava/UI/Helpers/MiniCommand.cs
@@ -0,0 +1,71 @@
+using System;
+using System.Threading.Tasks;
+using System.Windows.Input;
+
+namespace Ryujinx.Ava.UI.Helpers
+{
+    public sealed class MiniCommand<T> : MiniCommand, ICommand
+    {
+        private readonly Action<T> _callback;
+        private bool _busy;
+        private Func<T, Task> _asyncCallback;
+
+        public MiniCommand(Action<T> callback)
+        {
+            _callback = callback;
+        }
+
+        public MiniCommand(Func<T, Task> callback)
+        {
+            _asyncCallback = callback;
+        }
+
+        private bool Busy
+        {
+            get => _busy;
+            set
+            {
+                _busy = value;
+                CanExecuteChanged?.Invoke(this, EventArgs.Empty);
+            }
+        }
+
+        public override event EventHandler CanExecuteChanged;
+        public override bool CanExecute(object parameter) => !_busy;
+
+        public override async void Execute(object parameter)
+        {
+            if (Busy)
+            {
+                return;
+            }
+            try
+            {
+                Busy = true;
+                if (_callback != null)
+                {
+                    _callback((T)parameter);
+                }
+                else
+                {
+                    await _asyncCallback((T)parameter);
+                }
+            }
+            finally
+            {
+                Busy = false;
+            }
+        }
+    }
+
+    public abstract class MiniCommand : ICommand
+    {
+        public static MiniCommand Create(Action callback) => new MiniCommand<object>(_ => callback());
+        public static MiniCommand Create<TArg>(Action<TArg> callback) => new MiniCommand<TArg>(callback);
+        public static MiniCommand CreateFromTask(Func<Task> callback) => new MiniCommand<object>(_ => callback());
+
+        public abstract bool CanExecute(object parameter);
+        public abstract void Execute(object parameter);
+        public abstract event EventHandler CanExecuteChanged;
+    }
+}
\ No newline at end of file
diff --git a/src/Ryujinx.Ava/UI/Helpers/NotificationHelper.cs b/src/Ryujinx.Ava/UI/Helpers/NotificationHelper.cs
new file mode 100644
index 00000000..7e2afb8b
--- /dev/null
+++ b/src/Ryujinx.Ava/UI/Helpers/NotificationHelper.cs
@@ -0,0 +1,65 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Controls.Notifications;
+using Avalonia.Threading;
+using Ryujinx.Ava.Common.Locale;
+using System;
+using System.Collections.Concurrent;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Ryujinx.Ava.UI.Helpers
+{
+    public static class NotificationHelper
+    {
+        private const int MaxNotifications      = 4; 
+        private const int NotificationDelayInMs = 5000;
+
+        private static WindowNotificationManager _notificationManager;
+
+        private static readonly ManualResetEvent                 _templateAppliedEvent = new(false);
+        private static readonly BlockingCollection<Notification> _notifications        = new();
+
+        public static void SetNotificationManager(Window host)
+        {
+            _notificationManager = new WindowNotificationManager(host)
+            {
+                Position = NotificationPosition.BottomRight,
+                MaxItems = MaxNotifications,
+                Margin   = new Thickness(0, 0, 15, 40)
+            };
+
+            _notificationManager.TemplateApplied += (sender, args) =>
+            {
+                _templateAppliedEvent.Set();
+            };
+
+            Task.Run(async () =>
+            {
+                _templateAppliedEvent.WaitOne();
+
+                foreach (var notification in _notifications.GetConsumingEnumerable())
+                {
+                    Dispatcher.UIThread.Post(() =>
+                    {
+                        _notificationManager.Show(notification);
+                    });
+
+                    await Task.Delay(NotificationDelayInMs / MaxNotifications);
+                }
+            });
+        }
+
+        public static void Show(string title, string text, NotificationType type, bool waitingExit = false, Action onClick = null, Action onClose = null)
+        {
+            var delay = waitingExit ? TimeSpan.FromMilliseconds(0) : TimeSpan.FromMilliseconds(NotificationDelayInMs);
+
+            _notifications.Add(new Notification(title, text, type, delay, onClick, onClose));
+        }
+
+        public static void ShowError(string message)
+        {
+            Show(LocaleManager.Instance[LocaleKeys.DialogErrorTitle], $"{LocaleManager.Instance[LocaleKeys.DialogErrorMessage]}\n\n{message}", NotificationType.Error);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Ryujinx.Ava/UI/Helpers/OffscreenTextBox.cs b/src/Ryujinx.Ava/UI/Helpers/OffscreenTextBox.cs
new file mode 100644
index 00000000..785e785c
--- /dev/null
+++ b/src/Ryujinx.Ava/UI/Helpers/OffscreenTextBox.cs
@@ -0,0 +1,40 @@
+using Avalonia.Controls;
+using Avalonia.Input;
+using Avalonia.Interactivity;
+
+namespace Ryujinx.Ava.UI.Helpers
+{
+    public class OffscreenTextBox : TextBox
+    {
+        public RoutedEvent<KeyEventArgs> GetKeyDownRoutedEvent()
+        {
+            return KeyDownEvent;
+        }
+
+        public RoutedEvent<KeyEventArgs> GetKeyUpRoutedEvent()
+        {
+            return KeyUpEvent;
+        }
+
+        public void SendKeyDownEvent(KeyEventArgs keyEvent)
+        {
+            OnKeyDown(keyEvent);
+        }
+
+        public void SendKeyUpEvent(KeyEventArgs keyEvent)
+        {
+            OnKeyUp(keyEvent);
+        }
+
+        public void SendText(string text)
+        {
+            OnTextInput(new TextInputEventArgs()
+            {
+                Text = text,
+                Device = KeyboardDevice.Instance,
+                Source = this,
+                RoutedEvent = TextInputEvent
+            });
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Ryujinx.Ava/UI/Helpers/UserErrorDialog.cs b/src/Ryujinx.Ava/UI/Helpers/UserErrorDialog.cs
new file mode 100644
index 00000000..4ed629ff
--- /dev/null
+++ b/src/Ryujinx.Ava/UI/Helpers/UserErrorDialog.cs
@@ -0,0 +1,91 @@
+using Ryujinx.Ava.Common.Locale;
+using Ryujinx.Ava.UI.Windows;
+using Ryujinx.Ui.Common;
+using Ryujinx.Ui.Common.Helper;
+using System.Threading.Tasks;
+
+namespace Ryujinx.Ava.UI.Helpers
+{
+    internal class UserErrorDialog
+    {
+        private const string SetupGuideUrl = "https://github.com/Ryujinx/Ryujinx/wiki/Ryujinx-Setup-&-Configuration-Guide";
+
+        private static string GetErrorCode(UserError error)
+        {
+            return $"RYU-{(uint)error:X4}";
+        }
+
+        private static string GetErrorTitle(UserError error)
+        {
+            return error switch
+            {
+                UserError.NoKeys => LocaleManager.Instance[LocaleKeys.UserErrorNoKeys],
+                UserError.NoFirmware => LocaleManager.Instance[LocaleKeys.UserErrorNoFirmware],
+                UserError.FirmwareParsingFailed => LocaleManager.Instance[LocaleKeys.UserErrorFirmwareParsingFailed],
+                UserError.ApplicationNotFound => LocaleManager.Instance[LocaleKeys.UserErrorApplicationNotFound],
+                UserError.Unknown => LocaleManager.Instance[LocaleKeys.UserErrorUnknown],
+                _ => LocaleManager.Instance[LocaleKeys.UserErrorUndefined]
+            };
+        }
+
+        private static string GetErrorDescription(UserError error)
+        {
+            return error switch
+            {
+                UserError.NoKeys => LocaleManager.Instance[LocaleKeys.UserErrorNoKeysDescription],
+                UserError.NoFirmware => LocaleManager.Instance[LocaleKeys.UserErrorNoFirmwareDescription],
+                UserError.FirmwareParsingFailed => LocaleManager.Instance[LocaleKeys.UserErrorFirmwareParsingFailedDescription],
+                UserError.ApplicationNotFound => LocaleManager.Instance[LocaleKeys.UserErrorApplicationNotFoundDescription],
+                UserError.Unknown => LocaleManager.Instance[LocaleKeys.UserErrorUnknownDescription],
+                _ => LocaleManager.Instance[LocaleKeys.UserErrorUndefinedDescription]
+            };
+        }
+
+        private static bool IsCoveredBySetupGuide(UserError error)
+        {
+            return error switch
+            {
+                UserError.NoKeys or
+                    UserError.NoFirmware or
+                    UserError.FirmwareParsingFailed => true,
+                _ => false
+            };
+        }
+
+        private static string GetSetupGuideUrl(UserError error)
+        {
+            if (!IsCoveredBySetupGuide(error))
+            {
+                return null;
+            }
+
+            return error switch
+            {
+                UserError.NoKeys => SetupGuideUrl + "#initial-setup---placement-of-prodkeys",
+                UserError.NoFirmware => SetupGuideUrl + "#initial-setup-continued---installation-of-firmware",
+                _ => SetupGuideUrl
+            };
+        }
+
+        public static async Task ShowUserErrorDialog(UserError error, StyleableWindow owner)
+        {
+            string errorCode = GetErrorCode(error);
+
+            bool isInSetupGuide = IsCoveredBySetupGuide(error);
+
+            string setupButtonLabel = isInSetupGuide ? LocaleManager.Instance[LocaleKeys.OpenSetupGuideMessage] : "";
+
+            var result = await ContentDialogHelper.CreateInfoDialog(
+                LocaleManager.Instance.UpdateAndGetDynamicValue(LocaleKeys.DialogUserErrorDialogMessage, errorCode, GetErrorTitle(error)),
+                GetErrorDescription(error) + (isInSetupGuide
+                    ? LocaleManager.Instance[LocaleKeys.DialogUserErrorDialogInfoMessage]
+                    : ""), setupButtonLabel, LocaleManager.Instance[LocaleKeys.InputDialogOk],
+                LocaleManager.Instance.UpdateAndGetDynamicValue(LocaleKeys.DialogUserErrorDialogTitle, errorCode));
+
+            if (result == UserResult.Ok)
+            {
+                OpenHelper.OpenUrl(GetSetupGuideUrl(error));
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Ryujinx.Ava/UI/Helpers/UserResult.cs b/src/Ryujinx.Ava/UI/Helpers/UserResult.cs
new file mode 100644
index 00000000..57802804
--- /dev/null
+++ b/src/Ryujinx.Ava/UI/Helpers/UserResult.cs
@@ -0,0 +1,12 @@
+namespace Ryujinx.Ava.UI.Helpers
+{
+    public enum UserResult
+    {
+        Ok,
+        Yes,
+        No,
+        Abort,
+        Cancel,
+        None,
+    }
+}
\ No newline at end of file
diff --git a/src/Ryujinx.Ava/UI/Helpers/Win32NativeInterop.cs b/src/Ryujinx.Ava/UI/Helpers/Win32NativeInterop.cs
new file mode 100644
index 00000000..03d3a49f
--- /dev/null
+++ b/src/Ryujinx.Ava/UI/Helpers/Win32NativeInterop.cs
@@ -0,0 +1,123 @@
+using System;
+using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
+
+namespace Ryujinx.Ava.UI.Helpers
+{
+    [SupportedOSPlatform("windows")]
+    internal partial class Win32NativeInterop
+    {
+        [Flags]
+        public enum ClassStyles : uint
+        {
+            CS_CLASSDC = 0x40,
+            CS_OWNDC = 0x20,
+        }
+
+        [Flags]
+        public enum WindowStyles : uint
+        {
+            WS_CHILD = 0x40000000
+        }
+
+        public enum Cursors : uint
+        {
+            IDC_ARROW = 32512
+        }
+
+        public enum WindowsMessages : uint
+        {
+            MOUSEMOVE = 0x0200,
+            LBUTTONDOWN = 0x0201,
+            LBUTTONUP = 0x0202,
+            LBUTTONDBLCLK = 0x0203,
+            RBUTTONDOWN = 0x0204,
+            RBUTTONUP = 0x0205,
+            RBUTTONDBLCLK = 0x0206,
+            MBUTTONDOWN = 0x0207,
+            MBUTTONUP = 0x0208,
+            MBUTTONDBLCLK = 0x0209,
+            MOUSEWHEEL = 0x020A,
+            XBUTTONDOWN = 0x020B,
+            XBUTTONUP = 0x020C,
+            XBUTTONDBLCLK = 0x020D,
+            MOUSEHWHEEL = 0x020E,
+            MOUSELAST = 0x020E
+        }
+
+        [UnmanagedFunctionPointer(CallingConvention.Winapi)]
+        internal delegate IntPtr WindowProc(IntPtr hWnd, WindowsMessages msg, IntPtr wParam, IntPtr lParam);
+
+        [StructLayout(LayoutKind.Sequential)]
+        public struct WNDCLASSEX
+        {
+            public int cbSize;
+            public ClassStyles style;
+            public IntPtr lpfnWndProc; // not WndProc
+            public int cbClsExtra;
+            public int cbWndExtra;
+            public IntPtr hInstance;
+            public IntPtr hIcon;
+            public IntPtr hCursor;
+            public IntPtr hbrBackground;
+            public IntPtr lpszMenuName;
+            public IntPtr lpszClassName;
+            public IntPtr hIconSm;
+
+            public WNDCLASSEX()
+            {
+                cbSize = Marshal.SizeOf<WNDCLASSEX>();
+            }
+        }
+
+        public static IntPtr CreateEmptyCursor()
+        {
+            return CreateCursor(IntPtr.Zero, 0, 0, 1, 1, new byte[] { 0xFF }, new byte[] { 0x00 });
+        }
+
+        public static IntPtr CreateArrowCursor()
+        {
+            return LoadCursor(IntPtr.Zero, (IntPtr)Cursors.IDC_ARROW);
+        }
+
+        [LibraryImport("user32.dll")]
+        public static partial IntPtr SetCursor(IntPtr handle);
+
+        [LibraryImport("user32.dll")]
+        public static partial IntPtr CreateCursor(IntPtr hInst, int xHotSpot, int yHotSpot, int nWidth, int nHeight, byte[] pvANDPlane, byte[] pvXORPlane);
+
+        [LibraryImport("user32.dll", SetLastError = true, EntryPoint = "RegisterClassExW")]
+        public static partial ushort RegisterClassEx(ref WNDCLASSEX param);
+
+        [LibraryImport("user32.dll", SetLastError = true, EntryPoint = "UnregisterClassW")]
+        public static partial short UnregisterClass([MarshalAs(UnmanagedType.LPWStr)] string lpClassName, IntPtr instance);
+
+        [LibraryImport("user32.dll", EntryPoint = "DefWindowProcW")]
+        public static partial IntPtr DefWindowProc(IntPtr hWnd, WindowsMessages msg, IntPtr wParam, IntPtr lParam);
+
+        [LibraryImport("kernel32.dll", EntryPoint = "GetModuleHandleA")]
+        public static partial IntPtr GetModuleHandle([MarshalAs(UnmanagedType.LPStr)] string lpModuleName);
+
+        [LibraryImport("user32.dll", SetLastError = true)]
+        [return: MarshalAs(UnmanagedType.Bool)]
+        public static partial bool DestroyWindow(IntPtr hwnd);
+
+        [LibraryImport("user32.dll", SetLastError = true, EntryPoint = "LoadCursorA")]
+        public static partial IntPtr LoadCursor(IntPtr hInstance, IntPtr lpCursorName);
+
+        [LibraryImport("user32.dll", SetLastError = true, EntryPoint = "CreateWindowExW")]
+        public static partial IntPtr CreateWindowEx(
+           uint dwExStyle,
+           [MarshalAs(UnmanagedType.LPWStr)] string lpClassName,
+           [MarshalAs(UnmanagedType.LPWStr)] string lpWindowName,
+           WindowStyles dwStyle,
+           int x,
+           int y,
+           int nWidth,
+           int nHeight,
+           IntPtr hWndParent,
+           IntPtr hMenu,
+           IntPtr hInstance,
+           IntPtr lpParam);
+    }
+}