protected virtual void Dispose(bool disposing)
{
if (_disposed || !disposing)
{
return;
}
_disposed = true;
SetVisualElement(_visualElement, null);
_defaultShape = null;
if (_shapeManager != null)
{
_shapeManager.Dispose();
_shapeManager = null;
}
if (_renderer != null)
{
_renderer.ElementChanged -= OnRendererElementChanged;
_renderer = null;
}
if (_inkTouchController != null)
{
_inkTouchController.CancelInkTouchProcessing();
_inkTouchController?.Dispose();
_inkTouchController = null;
}
}
public MaterialBackgroundManager(IVisualElementRenderer renderer)
{
_renderer = renderer ?? throw new ArgumentNullException(nameof(renderer), "Renderer cannot be null");
_renderer.ElementChanged += OnRendererElementChanged;
_defaultShape = new RoundRect();
_shapeManager = new MaterialShapeManager();
SetVisualElement(null, _renderer.Element);
}