chuan/Ursa.Avalonia
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fix:Fix the issue where SizeAnimationHelper.EnableAnimation is not properly loaded when used via the styling system.

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望尘空忧
2025-08-18 23:09:51 +08:00
parent df23e6263c
commit 2345c8a9de
1 changed files with 29 additions and 9 deletions
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38
src/Ursa/Helpers/SizeAnimationHelper.cs
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@@ -1,4 +1,6 @@
using Avalonia;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices.ComTypes;
using Avalonia;
using Avalonia.Animation;
using Avalonia.Animation.Easings;
using Avalonia.Controls;
@@ -8,7 +10,8 @@ using Avalonia.Styling;
namespace Ursa.Helpers;
public delegate Animation SizeAnimationHelperAnimationGeneratorDelegate(Control animationTargetControl, Size oldDesiredSize,
public delegate Animation SizeAnimationHelperAnimationGeneratorDelegate(Control animationTargetControl,
Size oldDesiredSize,
Size newDesiredSize);
public class SizeAnimationHelper : AvaloniaObject
@@ -28,6 +31,11 @@ public class SizeAnimationHelper : AvaloniaObject
public static readonly AttachedProperty<bool> EnableWHAnimationProperty =
AvaloniaProperty.RegisterAttached<SizeAnimationHelper, Control, bool>("EnableWHAnimation");
static SizeAnimationHelper()
{
EnableWHAnimationProperty.Changed.AddClassHandler<Control>(OnPropertyChanged);
}
private static Animation CreateAnimationPropertyDefaultValue(Control animationTargetControl, Size oldDesiredSize,
Size newDesiredSize)
{
@@ -93,8 +101,18 @@ public class SizeAnimationHelper : AvaloniaObject
public static void SetEnableWHAnimation(Control obj, bool value)
{
if (value == obj.GetValue(EnableWHAnimationProperty)) return;
obj.SetValue(EnableWHAnimationProperty, value);
}
public static bool GetEnableWHAnimation(Control obj)
{
return obj.GetValue(EnableWHAnimationProperty);
}
private static void OnPropertyChanged(Control obj, AvaloniaPropertyChangedEventArgs change)
{
if (change.Property != EnableWHAnimationProperty) return;
_ = change.NewValue is bool value ? value : throw new ArgumentNullException();
if (value)
{
var triggerProperty = GetTriggerAvaloniaProperty(obj);
@@ -111,7 +129,14 @@ public class SizeAnimationHelper : AvaloniaObject
"SizeAnimationHelper does not support Visual.BoundsProperty or Layoutable.DesiredSizeProperty as trigger property.");
}
obj.Loaded += ObjOnLoaded;
if (obj.IsLoaded)
{
obj.PropertyChanged += AnimationTargetOnPropertyChanged;
}
else
{
obj.Loaded += ObjOnLoaded;
}
}
else
{
@@ -126,11 +151,6 @@ public class SizeAnimationHelper : AvaloniaObject
}
}
public static bool GetEnableWHAnimation(Control obj)
{
return obj.GetValue(EnableWHAnimationProperty);
}
private static void AnimationTargetOnPropertyChanged(object? sender, AvaloniaPropertyChangedEventArgs e)
{
if (sender is not Control control ||