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perf(AddOnDecoratedBox): batch layout recalculations with dirty flags to avoid redundant computations on single property change

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This commit is contained in:
chinboy
2026-04-21 14:03:54 +08:00
parent 7b0d636e50
commit 04cb90fb3a
1 changed files with 69 additions and 35 deletions
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src/AtomUI.Desktop.Controls/Primitives/AddOnDecoratedBox/AddOnDecoratedBox.cs
+69 -35
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@@ -11,6 +11,7 @@ using Avalonia.Interactivity;
using Avalonia.Layout;
using Avalonia.Media;
using Avalonia.Metadata;
using Avalonia.Threading;
using Avalonia.VisualTree;
namespace AtomUI.Desktop.Controls;
@@ -295,6 +296,10 @@ internal class AddOnDecoratedBox : ContentControl,
private protected Control? _rightAddOn;
private ContentPresenter? _contentLeftAddOn;
private ContentPresenter? _contentRightAddOn;
private bool _borderInfoDirty;
private bool _cornerRadiusDirty;
private bool _borderThicknessDirty;
private bool _layoutUpdatePosted;
internal Border? ContentFrame;
@@ -332,46 +337,75 @@ internal class AddOnDecoratedBox : ContentControl,
UpdatePseudoClasses();
}
if (this.IsAttachedToVisualTree())
if (change.Property == StyleVariantProperty ||
change.Property == BorderThicknessProperty)
{
if (change.Property == StyleVariantProperty)
{
ConfigureInnerBoxBorderThickness();
}
_borderThicknessDirty = true;
}
if (change.Property == LeftAddOnProperty ||
change.Property == RightAddOnProperty ||
change.Property == CornerRadiusProperty ||
change.Property == StyleVariantProperty ||
change.Property == CompactSpaceItemPositionProperty ||
change.Property == CompactSpaceOrientationProperty)
{
ConfigureInnerBoxCornerRadius();
}
if (change.Property == LeftAddOnProperty ||
change.Property == RightAddOnProperty ||
change.Property == CornerRadiusProperty ||
change.Property == StyleVariantProperty ||
change.Property == CompactSpaceItemPositionProperty ||
change.Property == CompactSpaceOrientationProperty)
{
_cornerRadiusDirty = true;
}
if (change.Property == BorderThicknessProperty)
{
ConfigureInnerBoxBorderThickness();
}
if (change.Property == CornerRadiusProperty ||
change.Property == BorderThicknessProperty ||
change.Property == StyleVariantProperty ||
change.Property == CompactSpaceItemPositionProperty ||
change.Property == CompactSpaceOrientationProperty)
{
_borderInfoDirty = true;
}
if (change.Property == CornerRadiusProperty ||
change.Property == BorderThicknessProperty ||
change.Property == StyleVariantProperty ||
change.Property == CompactSpaceItemPositionProperty ||
change.Property == CompactSpaceOrientationProperty)
{
ConfigureAddOnBorderInfo();
}
if (change.Property == StatusProperty ||
change.Property == IsEnabledProperty ||
change.Property == ContentLeftAddOnProperty ||
change.Property == ContentRightAddOnProperty ||
change.Property == AddOnStatusForegroundProperty ||
change.Property == AddOnStatusIconBrushProperty)
{
UpdateIconStatusColors();
}
if (change.Property == StatusProperty ||
change.Property == IsEnabledProperty ||
change.Property == ContentLeftAddOnProperty ||
change.Property == ContentRightAddOnProperty ||
change.Property == AddOnStatusForegroundProperty ||
change.Property == AddOnStatusIconBrushProperty)
{
UpdateIconStatusColors();
}
ScheduleLayoutUpdate();
}
private void ScheduleLayoutUpdate()
{
if (_layoutUpdatePosted)
{
return;
}
if (!_borderInfoDirty && !_cornerRadiusDirty && !_borderThicknessDirty)
{
return;
}
_layoutUpdatePosted = true;
Dispatcher.UIThread.Post(ApplyDirtyLayoutUpdates, DispatcherPriority.Render);
}
private void ApplyDirtyLayoutUpdates()
{
_layoutUpdatePosted = false;
if (_cornerRadiusDirty)
{
ConfigureInnerBoxCornerRadius();
_cornerRadiusDirty = false;
}
if (_borderInfoDirty)
{
ConfigureAddOnBorderInfo();
_borderInfoDirty = false;
}
if (_borderThicknessDirty)
{
ConfigureInnerBoxBorderThickness();
_borderThicknessDirty = false;
}
}