chore: Porting AnimatedIcon

src/Uno.UI/Microsoft/UI/Xaml/Controls/AnimatedIcon/AnimatedIcon.Header.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Uno.Disposables;
+using Windows.UI.Composition;
+using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Media;
+
+namespace Microsoft.UI.Xaml.Controls
+{
+	public partial class AnimatedIcon
+	{
+		private IAnimatedVisual m_animatedVisual;
+		private Panel m_rootPanel;
+		private ScaleTransform m_scaleTransform;
+
+		private string m_currentState = "";
+		private string m_previousState = "";
+		private string m_queuedState = "";
+		private string m_pendingState = "";
+		private string m_lastAnimationSegment = "";
+		private string m_lastAnimationSegmentStart = "";
+		private string m_lastAnimationSegmentEnd = "";
+		private bool m_isPlaying = false;
+		private bool m_canDisplayPrimaryContent = true;
+		private float m_previousSegmentLength = 1.0f;
+		private float m_durationMultiplier = 1.0f;
+		private float m_speedUpMultiplier = 7.0f;
+
+
+		private CompositionPropertySet m_progressPropertySet = null;
+		private CompositionScopedBatch m_batch = null;
+		private SerialDisposable m_batchCompletedRevoker = new SerialDisposable();
+		private SerialDisposable m_ancestorStatePropertyChangedRevoker = new SerialDisposable();
+		private SerialDisposable m_layoutUpdatedRevoker = new SerialDisposable();
+		private SerialDisposable m_foregroundColorPropertyChangedRevoker = new SerialDisposable();
+
+		private AnimatedIconAnimationQueueBehavior m_queueBehavior = AnimatedIconAnimationQueueBehavior.SpeedUpQueueOne;
+	}
+}

src/Uno.UI/Microsoft/UI/Xaml/Controls/AnimatedIcon/AnimatedIcon.Properties.cs

@@ -13,8 +13,6 @@ public IconSource FallbackIconSource
 		public static DependencyProperty FallbackIconSourceProperty { get; } =
 			DependencyProperty.Register(nameof(FallbackIconSource), typeof(IconSource), typeof(AnimatedIcon), new PropertyMetadata(null, OnFallbackIconSourcePropertyChanged));
 
-
-
 		public IAnimatedVisualSource2 Source
 		{
 			get => (IAnimatedVisualSource2)GetValue(SourceProperty);
@@ -24,7 +22,6 @@ public IAnimatedVisualSource2 Source
 		public static DependencyProperty SourceProperty { get; } =
 			DependencyProperty.Register(nameof(Source), typeof(IAnimatedVisualSource2), typeof(AnimatedIcon), new PropertyMetadata(null, OnSourcePropertyChanged));
 
-
 		private static void OnFallbackIconSourcePropertyChanged(DependencyObject sender, DependencyPropertyChangedEventArgs args)
 		{
 			var owner = sender as AnimatedIcon;