void DisposeChildRenderers()
{
IVisualElementRenderer childRenderer = Platform.GetRenderer(_childView);
childRenderer?.Dispose();
_childView?.ClearValue(Platform.RendererProperty);
}
protected override void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
_disposed = true;
if (Interlocked.Decrement(ref _sharedPoolCount) == 0 && Forms.IsiOS12OrNewer)
{
_sharedPool = null;
}
if (disposing)
{
if (IsLoading)
{
StopLoading();
}
Element.PropertyChanged -= HandlePropertyChanged;
WebView.EvalRequested -= OnEvalRequested;
WebView.EvaluateJavaScriptRequested -= OnEvaluateJavaScriptRequested;
WebView.GoBackRequested -= OnGoBackRequested;
WebView.GoForwardRequested -= OnGoForwardRequested;
WebView.ReloadRequested -= OnReloadRequested;
Element?.ClearValue(Platform.RendererProperty);
SetElement(null);
_events?.Dispose();
_tracker?.Dispose();
_packager?.Dispose();
_events = null;
_tracker = null;
_events = null;
}
base.Dispose(disposing);
}
public void Apply(VisualElement styleable, bool inheriting = false)
{
if (styleable == null)
{
throw new ArgumentNullException(nameof(styleable));
}
foreach (var decl in Declarations)
{
var property = ((IStylable)styleable).GetProperty(decl.Key, inheriting);
if (property == null)
{
continue;
}
if (string.Equals(decl.Value, "initial", StringComparison.OrdinalIgnoreCase))
{
styleable.ClearValue(property, fromStyle: true);
}
else
{
object value;
if (!convertedValues.TryGetValue(decl, out value))
{
convertedValues[decl] = (value = Convert(styleable, decl.Value, property));
}
styleable.SetValue(property, value, fromStyle: true);
}
}
foreach (var child in styleable.LogicalChildrenInternal)
{
var ve = child as VisualElement;
if (ve == null)
{
continue;
}
Apply(ve, inheriting: true);
}
}
