Add download speed limit

Source/LibationAvalonia/ViewModels/ProcessQueueViewModel.cs

@@ -2,6 +2,7 @@
 using Avalonia.Controls;
 using Avalonia.Threading;
 using DataLayer;
+using LibationFileManager;
 using ReactiveUI;
 using System;
 using System.Collections.Generic;
@@ -25,9 +26,14 @@ namespace LibationAvalonia.ViewModels
 
 		public ProcessQueueViewModel()
 		{
+			Logger = LogMe.RegisterForm(this);
 			Queue.QueuededCountChanged += Queue_QueuededCountChanged;
 			Queue.CompletedCountChanged += Queue_CompletedCountChanged;
-			Logger = LogMe.RegisterForm(this);
+
+			if (Design.IsDesignMode)
+					AudibleUtilities.AudibleApiStorage.EnsureAccountsSettingsFileExists();
+
+			SpeedLimit = Configuration.Instance.DownloadSpeedLimit / 1024m / 1024;
 		}
 
 		private int _completedCount;
@@ -35,6 +41,7 @@ namespace LibationAvalonia.ViewModels
 		private int _queuedCount;
 		private string _runningTime;
 		private bool _progressBarVisible;
+		private decimal _speedLimit;
 
 		public int CompletedCount { get => _completedCount; private set { this.RaiseAndSetIfChanged(ref _completedCount, value); this.RaisePropertyChanged(nameof(AnyCompleted)); } }
 		public int QueuedCount { get => _queuedCount; private set { this.RaiseAndSetIfChanged(ref _queuedCount, value); this.RaisePropertyChanged(nameof(AnyQueued)); } }
@@ -46,6 +53,37 @@ namespace LibationAvalonia.ViewModels
 		public bool AnyErrors => ErrorCount > 0;
 		public double Progress => 100d * Queue.Completed.Count / Queue.Count;
 
+		public decimal SpeedLimit
+		{
+			get
+			{
+				return _speedLimit;
+			}
+			set
+			{
+				var newValue = Math.Min(999 * 1024 * 1024, (long)(value * 1024 * 1024));
+				var config = Configuration.Instance;
+				config.DownloadSpeedLimit = newValue;
+
+				_speedLimit
+					= config.DownloadSpeedLimit <= newValue ? value
+					: value == 0.01m ? config.DownloadSpeedLimit / 1024m / 1024
+					: 0;
+
+				config.DownloadSpeedLimit = (long)(_speedLimit * 1024 * 1024);
+
+				SpeedLimitIncrement = _speedLimit > 100 ? 10
+					: _speedLimit > 10 ? 1
+					: _speedLimit > 1 ? 0.1m
+					: 0.01m;
+
+				this.RaisePropertyChanged(nameof(SpeedLimitIncrement));
+				this.RaisePropertyChanged();
+			}
+		}
+
+		public decimal SpeedLimitIncrement { get; private set; }
+
 		private void Queue_CompletedCountChanged(object sender, int e)
 		{
 			int errCount = Queue.Completed.Count(p => p.Result is ProcessBookResult.FailedAbort or ProcessBookResult.FailedSkip or ProcessBookResult.FailedRetry or ProcessBookResult.ValidationFail);

Source/LibationAvalonia/Views/MainWindow.axaml

@@ -172,7 +172,7 @@
 
 			</Grid>
 			<Border Grid.Row="2" BorderThickness="1" BorderBrush="{DynamicResource DataGridGridLinesBrush}">
-				<SplitView IsPaneOpen="{Binding QueueOpen}" DisplayMode="Inline" OpenPaneLength="375" PanePlacement="Right">
+				<SplitView IsPaneOpen="{Binding QueueOpen}" DisplayMode="Inline" OpenPaneLength="400" MinWidth="400" PanePlacement="Right">
 
 					<!-- Process Queue -->
 					<SplitView.Pane>

Source/LibationAvalonia/Views/ProcessQueueControl.axaml

@@ -4,10 +4,15 @@
 	xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
 	xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
 	xmlns:views="clr-namespace:LibationAvalonia.Views"
+	xmlns:viewModels="clr-namespace:LibationAvalonia.ViewModels"
 	xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-	mc:Ignorable="d" d:DesignWidth="450" d:DesignHeight="850"
+	mc:Ignorable="d" d:DesignWidth="400" d:DesignHeight="850"
 	x:Class="LibationAvalonia.Views.ProcessQueueControl">
 
+	<UserControl.Resources>
+		<views:DecimalConverter x:Key="myConverter" />
+	</UserControl.Resources>
+
 	<UserControl.Resources>
 		<RecyclePool x:Key="RecyclePool" />
 		<DataTemplate x:Key="queuedBook">
@@ -32,25 +37,43 @@
 				<TabItem.Header>
 					<TextBlock FontSize="14" VerticalAlignment="Center">Process Queue</TextBlock>
 				</TabItem.Header>
-				<Grid ColumnDefinitions="*" RowDefinitions="*,40">
+				<Grid Background="AliceBlue" ColumnDefinitions="*" RowDefinitions="*,40">
 					<Border Grid.Column="0" Grid.Row="0" BorderThickness="1" BorderBrush="{DynamicResource DataGridGridLinesBrush}" Background="WhiteSmoke">
 						<ScrollViewer
 							Name="scroller"
 							HorizontalScrollBarVisibility="Disabled"
 							VerticalScrollBarVisibility="Auto">
-								<ItemsRepeater IsVisible="True"
-									Grid.Column="0"
-									Name="repeater"
-									VerticalCacheLength="1.2"
-									HorizontalCacheLength="1"
-									Background="Transparent"
-									Items="{Binding Items}"
-									ItemTemplate="{StaticResource elementFactory}" />
+							<ItemsRepeater IsVisible="True"
+								Grid.Column="0"
+								Name="repeater"
+								VerticalCacheLength="1.2"
+								HorizontalCacheLength="1"
+								Background="Transparent"
+								Items="{Binding Items}"
+								ItemTemplate="{StaticResource elementFactory}" />
 						</ScrollViewer>
 					</Border>
-					<Grid Grid.Column="0" Grid.Row="1" ColumnDefinitions="*,Auto" Margin="6,0,6,0">
-						<Button Grid.Column="0" FontSize="12" HorizontalAlignment="Left" Click="CancelAllBtn_Click">Cancel All</Button>
-						<Button Grid.Column="1" FontSize="12" HorizontalAlignment="Right" Click="ClearFinishedBtn_Click">Clear Finished</Button>
+					<Grid Grid.Column="0" Grid.Row="1" ColumnDefinitions="*,Auto,Auto">
+						<Button Name="cancelAllBtn" Grid.Column="0" FontSize="12" HorizontalAlignment="Left" Click="CancelAllBtn_Click">Cancel All</Button>
+						<StackPanel Orientation="Horizontal" Grid.Column="1" Margin="0,0,10,0" >
+							<StackPanel.Styles>
+								<Style Selector="NumericUpDown#PART_Spinner">
+									<Setter Property="Background" Value="Black"/>
+								</Style>
+							</StackPanel.Styles>
+							<TextBlock Margin="0,0,6,0" FontSize="11" Text="DL&#xA;Limit" VerticalAlignment="Center" />
+							<NumericUpDown
+								FontSize="12"
+								VerticalContentAlignment="Center"
+								TextConverter="{StaticResource myConverter}"
+								Height="{Binding #cancelAllBtn.DesiredSize.Height}"
+								Value="{Binding SpeedLimit, Mode=TwoWay}"
+								Minimum="0"
+								KeyDown="NumericUpDown_KeyDown"
+								Increment="{Binding SpeedLimitIncrement}"
+								Maximum="999" />
+						</StackPanel>
+						<Button Grid.Column="2" FontSize="12" HorizontalAlignment="Right" Click="ClearFinishedBtn_Click">Clear Finished</Button>
 					</Grid>
 				</Grid>
 			</TabItem>

Source/LibationAvalonia/Views/ProcessQueueControl.axaml.cs

@@ -1,11 +1,13 @@
-using ApplicationServices;
+using ApplicationServices;
 using Avalonia;
 using Avalonia.Controls;
+using Avalonia.Data.Converters;
 using Avalonia.Markup.Xaml;
 using DataLayer;
 using LibationAvalonia.ViewModels;
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 
 namespace LibationAvalonia.Views
@@ -86,6 +88,11 @@ namespace LibationAvalonia.Views
 			#endregion
 		}
 
+		public void NumericUpDown_KeyDown(object sender, Avalonia.Input.KeyEventArgs e)
+		{
+			if (e.Key == Avalonia.Input.Key.Enter && sender is Avalonia.Input.IInputElement input) input.Focus();
+		}
+
 		private void InitializeComponent()
 		{
 			AvaloniaXamlLoader.Load(this);
@@ -148,4 +155,41 @@ namespace LibationAvalonia.Views
 
 		#endregion
 	}
+
+	public class DecimalConverter : IValueConverter
+	{
+		public static readonly DecimalConverter Instance = new();
+
+		public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+		{
+			if (value is string sourceText && targetType.IsAssignableTo(typeof(decimal?)))
+			{
+				if (sourceText == "∞") return 0;
+
+				for (int i = sourceText.Length; i > 0; i--)
+				{
+					if (decimal.TryParse(sourceText[..i], out var val))
+						return val;
+				}
+
+				return 0;
+			}
+			return 0;
+		}
+
+		public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+		{
+			if (value is decimal val)
+			{
+				return
+					val == 0 ? "∞"
+					: (
+						val >= 10 ? ((long)val).ToString()
+						: val >= 1 ? val.ToString("F1")
+						: val.ToString("F2")
+					) + " MB/s";
+			}
+			return value.ToString();
+		}
+	}
 }