Add props to WPF, Avalonia UIs for easily skipping bg color

#467

Author: Deadpikle

src/NetSparkle.UI.Avalonia/UIFactory.cs

@@ -28,6 +28,7 @@ public UIFactory()
             HideReleaseNotes = false;
             HideRemindMeLaterButton = false;
             HideSkipButton = false;
+            UseStaticUpdateWindowBackgroundColor = true;
             UpdateWindowGridBackgroundBrush = (IBrush)new BrushConverter().ConvertFrom("#EEEEEE");
         }
 
@@ -64,7 +65,13 @@ public UIFactory(WindowIcon applicationIcon, string releaseNotesSeparatorTemplat
         public string AdditionalReleaseNotesHeaderHTML { get; set; }
 
         /// <summary>
-        /// Brush for the background of the main grid on the update (changelog) window
+        /// Whether or not a hardcoded window background color is set on the updates window.
+        /// Defaults to true.
+        /// </summary>
+        public bool UseStaticUpdateWindowBackgroundColor { get; set; }
+
+        /// <summary>
+        /// Brush for the background of the main grid on the update (change log) window
         /// </summary>
         public IBrush UpdateWindowGridBackgroundBrush { get; set; }
 
@@ -99,7 +106,10 @@ public virtual IUpdateAvailable CreateUpdateAvailableWindow(SparkleUpdater spark
             {
                 Icon = _applicationIcon
             };
-            window.ChangeMainGridBackgroundColor(UpdateWindowGridBackgroundBrush);
+            if (UseStaticUpdateWindowBackgroundColor)
+            {
+                window.ChangeMainGridBackgroundColor(UpdateWindowGridBackgroundBrush);
+            }
             if (HideReleaseNotes)
             {
                 (window as IUpdateAvailable).HideReleaseNotes();

src/NetSparkle.UI.WPF/UIFactory.cs

@@ -27,6 +27,9 @@ public UIFactory()
             HideSkipButton = false;
             ReleaseNotesHTMLTemplate = "";
             AdditionalReleaseNotesHeaderHTML = "";
+            UseStaticUpdateWindowBackgroundColor = true;
+            UpdateWindowGridBackgroundBrush = (System.Windows.Media.Brush)new BrushConverter().ConvertFrom("#EEEEEE");
+            UpdateWindowGridBackgroundBrush.Freeze();
         }
 
         /// <summary>
@@ -74,6 +77,17 @@ public UIFactory(ImageSource applicationIcon) : this()
         /// </summary>
         public ReleaseNotesGrabber ReleaseNotesGrabberOverride { get; set; } = null;
 
+        /// <summary>
+        /// Whether or not a hardcoded window background color is set on the updates window.
+        /// Defaults to true.
+        /// </summary>
+        public bool UseStaticUpdateWindowBackgroundColor { get; set; }
+
+        /// <summary>
+        /// Brush for the background of the main grid on the update (change log) window
+        /// </summary>
+        public System.Windows.Media.Brush UpdateWindowGridBackgroundBrush { get; set; }
+
         /// <inheritdoc/>
         public virtual IUpdateAvailable CreateUpdateAvailableWindow(SparkleUpdater sparkle, List<AppCastItem> updates, bool isUpdateAlreadyDownloaded = false)
         {
@@ -82,6 +96,10 @@ public virtual IUpdateAvailable CreateUpdateAvailableWindow(SparkleUpdater spark
             {
                 Icon = _applicationIcon
             };
+            if (UseStaticUpdateWindowBackgroundColor)
+            {
+                window.ChangeMainGridBackgroundColor(UpdateWindowGridBackgroundBrush);
+            }
             if (HideReleaseNotes)
             {
                 (window as IUpdateAvailable).HideReleaseNotes();

src/NetSparkle.UI.WPF/UpdateAvailableWindow.xaml

@@ -16,7 +16,7 @@
     <cont:BaseWindow.Resources>
         <BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter" />
     </cont:BaseWindow.Resources>
-    <Grid Background="#EEEEEE">
+    <Grid Name="MainGrid">
         <Grid.ColumnDefinitions>
             <ColumnDefinition Width="Auto" />
             <ColumnDefinition Width="*" />

src/NetSparkle.UI.WPF/UpdateAvailableWindow.xaml.cs

@@ -6,6 +6,7 @@
 using NetSparkleUpdater.UI.WPF.ViewModels;
 using System;
 using System.Collections.Generic;
+using System.Drawing;
 using System.Linq;
 using System.Text;
 using System.Threading;
@@ -143,6 +144,18 @@ public void UserRespondedToUpdateCheck(UpdateAvailableResult response)
             }
         }
 
+        /// <summary>
+        /// Change the main grid's background color. Use new SolidColorBrush(Colors.Transparent) or null to clear.
+        /// </summary>
+        /// <param name="brush">Brush to use as the main grid's background color</param>
+        public void ChangeMainGridBackgroundColor(System.Windows.Media.Brush brush)
+        {
+            if (MainGrid != null)
+            {
+                MainGrid.Background = brush;
+            }
+        }
+
         /// <summary>
         /// Show the release notes to the end user. Release notes should be in HTML.
         ///