From ceb9887ac554e65bf968e7550c3737fdca990597 Mon Sep 17 00:00:00 2001
From: Martin Zikmund <martin@zikmund.dev>
Date: Wed, 23 Jun 2021 23:57:22 +0200
Subject: [PATCH] feat: AnimatedIconSource

---
 .../Controls/IconSource/AnimatedIconSource.cs | 74 +++++++++++++++++++
 .../UI/Xaml/Controls/IconSource/IconSource.cs |  2 +
 2 files changed, 76 insertions(+)
 create mode 100644 src/Uno.UI/Microsoft/UI/Xaml/Controls/IconSource/AnimatedIconSource.cs

diff --git a/src/Uno.UI/Microsoft/UI/Xaml/Controls/IconSource/AnimatedIconSource.cs b/src/Uno.UI/Microsoft/UI/Xaml/Controls/IconSource/AnimatedIconSource.cs
new file mode 100644
index 000000000000..1b8ffc90ca0c
--- /dev/null
+++ b/src/Uno.UI/Microsoft/UI/Xaml/Controls/IconSource/AnimatedIconSource.cs
@@ -0,0 +1,74 @@
+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Controls;
+
+namespace Microsoft.UI.Xaml.Controls
+{
+	public class AnimatedIconSource : IconSource
+	{
+		public IconSource FallbackIconSource
+		{
+			get => (IconSource)GetValue(FallbackIconSourceProperty);
+			set => SetValue(FallbackIconSourceProperty, value);
+		}
+
+		public static DependencyProperty FallbackIconSourceProperty { get; } =
+			DependencyProperty.Register(nameof(FallbackIconSource), typeof(IconSource), typeof(AnimatedIconSource), new PropertyMetadata(null, OnFallbackIconSourcePropertyChanged));
+
+		public bool MirroredWhenRightToLeft
+		{
+			get => (bool)GetValue(MirroredWhenRightToLeftProperty);
+			set => SetValue(MirroredWhenRightToLeftProperty, value);
+		}
+
+		public static DependencyProperty MirroredWhenRightToLeftProperty { get; } =
+			DependencyProperty.Register(nameof(MirroredWhenRightToLeft), typeof(bool), typeof(AnimatedIconSource), new PropertyMetadata(false, OnMirroredWhenRightToLeftPropertyChanged));
+
+		public IAnimatedVisualSource2 Source
+		{
+			get => (IAnimatedVisualSource2)GetValue(SourceProperty);
+			set => SetValue(SourceProperty, value);
+		}
+
+		public static DependencyProperty SourceProperty { get; } =
+			DependencyProperty.Register(nameof(Source), typeof(IAnimatedVisualSource2), typeof(AnimatedIconSource), new PropertyMetadata(null, OnSourcePropertyChanged));
+
+		public override IconElement CreateIconElement()
+		{
+			AnimatedIcon animatedIcon = new AnimatedIcon();
+			if (Source is { } source)
+			{
+				animatedIcon.Source = source;
+			}
+			if (FallbackIconSource is { } fallbackIconSource)
+			{
+				animatedIcon.FallbackIconSource = fallbackIconSource;
+			}
+			if (Foreground is { } newForeground)
+			{
+				animatedIcon.Foreground = newForeground;
+			}
+			animatedIcon.MirroredWhenRightToLeft = MirroredWhenRightToLeft;
+
+			return animatedIcon;
+		}
+
+		protected override DependencyProperty GetIconElementProperty(DependencyProperty sourceProperty)
+		{
+			if (sourceProperty == SourceProperty)
+			{
+				return AnimatedIcon.SourceProperty;
+			}
+			else if (sourceProperty == FallbackIconSourceProperty)
+			{
+				return AnimatedIcon.FallbackIconSourceProperty;
+			}
+			else if (sourceProperty == MirroredWhenRightToLeftProperty)
+			{
+				return AnimatedIcon.MirroredWhenRightToLeftProperty;
+			}
+
+			return base.GetIconElementProperty(sourceProperty);
+		}
+
+	}
+}
diff --git a/src/Uno.UI/Microsoft/UI/Xaml/Controls/IconSource/IconSource.cs b/src/Uno.UI/Microsoft/UI/Xaml/Controls/IconSource/IconSource.cs
index 304494f10cd6..019be320fd89 100644
--- a/src/Uno.UI/Microsoft/UI/Xaml/Controls/IconSource/IconSource.cs
+++ b/src/Uno.UI/Microsoft/UI/Xaml/Controls/IconSource/IconSource.cs
@@ -22,5 +22,7 @@ public Brush Foreground
 #nullable enable
 
 		public virtual IconElement? CreateIconElement() => default;
+
+		protected virtual DependencyProperty? GetIconElementProperty(DependencyProperty sourceProperty) => default;
 	}
 }