Feature: Added thread selection option when creating archives (#16094)

Author: yaira2

src/Files.App/Actions/Content/Archives/Compress/CompressIntoArchiveAction.cs

@@ -40,6 +40,7 @@ public override async Task ExecuteAsync(object? parameter = null)
 				sources,
 				directory,
 				dialog.FileName,
+				dialog.CPUThreads,
 				dialog.Password,
 				dialog.FileFormat,
 				dialog.CompressionLevel,

src/Files.App/Actions/Content/Archives/Compress/CompressIntoSevenZipAction.cs

@@ -26,6 +26,7 @@ public override Task ExecuteAsync(object? parameter = null)
 				sources,
 				directory,
 				fileName,
+				Environment.ProcessorCount,
 				fileFormat: ArchiveFormats.SevenZip);
 
 			return StorageArchiveService.CompressAsync(compressionModel);

src/Files.App/Actions/Content/Archives/Compress/CompressIntoZipAction.cs

@@ -26,6 +26,7 @@ public override Task ExecuteAsync(object? parameter = null)
 				sources,
 				directory,
 				fileName,
+				Environment.ProcessorCount,
 				fileFormat: ArchiveFormats.Zip);
 
 			return StorageArchiveService.CompressAsync(compressionModel);

src/Files.App/Data/Contracts/ICompressArchiveModel.cs

@@ -47,6 +47,11 @@ public interface ICompressArchiveModel
 		/// 7zip archive splitting size.
 		/// </summary>
 		ArchiveSplittingSizes SplittingSize { get; }
+		
+		/// <summary>
+		/// Number of CPU Threads to use.
+		/// </summary>
+		int CPUThreads { get; }
 
 		/// <summary>
 		/// Archiving progress.

src/Files.App/Data/Models/CompressArchiveModel.cs

@@ -108,11 +108,15 @@ public IProgress<StatusCenterItemProgressModel> Progress
 
 		/// <inheritdoc/>
 		public CancellationToken CancellationToken { get; set; }
+		
+		/// <inheritdoc/>
+		public int CPUThreads { get; set; }
 
 		public CompressArchiveModel(
 			string[] source,
 			string directory,
 			string fileName,
+			int cpuThreads,
 			string? password = null,
 			ArchiveFormats fileFormat = ArchiveFormats.Zip,
 			ArchiveCompressionLevels compressionLevel = ArchiveCompressionLevels.Normal,
@@ -128,6 +132,7 @@ public CompressArchiveModel(
 			FileFormat = fileFormat;
 			CompressionLevel = compressionLevel;
 			SplittingSize = splittingSize;
+			CPUThreads = cpuThreads;
 		}
 
 		/// <inheritdoc/>
@@ -152,6 +157,8 @@ public async Task<bool> RunCreationAsync()
 				PreserveDirectoryRoot = sources.Length > 1,
 			};
 
+			compressor.CustomParameters.Add("mt", CPUThreads.ToString());
+
 			compressor.Compressing += Compressor_Compressing;
 			compressor.FileCompressionStarted += Compressor_FileCompressionStarted;
 			compressor.FileCompressionFinished += Compressor_FileCompressionFinished;

src/Files.App/Dialogs/CreateArchiveDialog.xaml

@@ -77,6 +77,7 @@
 				<RowDefinition Height="Auto" />
 				<RowDefinition Height="Auto" />
 				<RowDefinition Height="Auto" />
+				<RowDefinition Height="Auto" />
 			</Grid.RowDefinitions>
 
 			<!--  Archive Format  -->
@@ -138,6 +139,22 @@
 					</DataTemplate>
 				</ComboBox.ItemTemplate>
 			</ComboBox>
+
+			<!--  CPU Threads  -->
+			<TextBlock
+				Grid.Row="3"
+				Grid.Column="0"
+				VerticalAlignment="Center"
+				Text="{helpers:ResourceString Name=CPUThreads}" />
+			<NumberBox
+				Grid.Row="3"
+				Grid.Column="1"
+				HorizontalAlignment="Right"
+				AutomationProperties.Name="{helpers:ResourceString Name=CPUThreads}"
+				Maximum="{x:Bind ViewModel.CPUThreads, Mode=OneTime}"
+				Minimum="1"
+				SpinButtonPlacementMode="Inline"
+				Value="{x:Bind ViewModel.CPUThreads, Mode=TwoWay}" />
 		</Grid>
 
 		<!--  Encryption Options  -->

src/Files.App/Dialogs/CreateArchiveDialog.xaml.cs

@@ -51,6 +51,12 @@ public ArchiveSplittingSizes SplittingSize
 			get => ViewModel.SplittingSize.Key;
 			set => ViewModel.SplittingSize = ViewModel.SplittingSizes.First(size => size.Key == value);
 		}
+		
+		public int CPUThreads
+		{
+			get => ViewModel.CPUThreads;
+			set => ViewModel.CPUThreads = value;
+		}
 
 		private DialogViewModel ViewModel { get; } = new();
 
@@ -145,6 +151,13 @@ public SplittingSizeItem SplittingSize
 				get => splittingSize;
 				set => SetProperty(ref splittingSize, value);
 			}
+			
+			private int cpuThreads = Environment.ProcessorCount;
+			public int CPUThreads
+			{
+				get => cpuThreads;
+				set => SetProperty(ref cpuThreads, value);
+			}
 
 			private bool useEncryption = false;
 			public bool UseEncryption

src/Files.App/Strings/en-US/Resources.resw

@@ -3932,4 +3932,7 @@
   <data name="ShowSystemTrayIcon" xml:space="preserve">
     <value>Show Files icon in the System Tray</value>
   </data>
+  <data name="CPUThreads" xml:space="preserve">
+    <value>CPU threads</value>
+  </data>
 </root>