protected virtual void OnElementChanged(ElementChangedEventArgs <RadioButton> e)
{
if (e.NewElement != null && !_isDisposed)
{
this.EnsureId();
_textColorSwitcher = new Lazy <TextColorSwitcher>(
() => new TextColorSwitcher(TextColors, e.NewElement.UseLegacyColorManagement()));
UpdateFont();
UpdateTextColor();
UpdateInputTransparent();
UpdateBackgroundColor();
UpdateIsChecked();
UpdateContent();
ElevationHelper.SetElevation(this, e.NewElement);
}
ElementChanged?.Invoke(this, new VisualElementChangedEventArgs(e.OldElement, e.NewElement));
}
//todo: make virtual when unsealed
void OnElementChanged(ElementChangedEventArgs <MediaElement> e)
{
if (e.OldElement != null)
{
}
if (e.NewElement != null)
{
this.EnsureId();
UpdateKeepScreenOn();
UpdateLayoutParameters();
UpdateShowPlaybackControls();
UpdateSource();
UpdateBackgroundColor();
ElevationHelper.SetElevation(this, e.NewElement);
}
ElementChanged?.Invoke(this, new VisualElementChangedEventArgs(e.OldElement, e.NewElement));
}
void EnsureChildOrder(bool onlyUpdateElevations)
{
float elevationToSet = 0;
for (var i = 0; i < ElementController.LogicalChildren.Count; i++)
{
Element child = ElementController.LogicalChildren[i];
var element = (VisualElement)child;
if (element != null)
{
IVisualElementRenderer r = Platform.GetRenderer(element);
if (r != null)
{
if (Forms.IsLollipopOrNewer)
{
var elevation = ElevationHelper.GetElevation(r.View) ?? 0;
var elementElevation = ElevationHelper.GetElevation(element, r.View.Context);
if (elementElevation == null)
{
if (elevation > elevationToSet)
{
elevationToSet = elevation;
}
if (r.View.Elevation != elevationToSet)
{
r.View.Elevation = elevationToSet;
}
}
}
if (!onlyUpdateElevations)
{
(_renderer.View as ViewGroup)?.BringChildToFront(r.View);
}
}
}
}
}
void SetUpNewElement(IndicatorView newElement)
{
if (newElement == null)
{
IndicatorsView = null;
return;
}
IndicatorsView = newElement;
IndicatorsView.PropertyChanged += OnElementPropertyChanged;
if (Tracker == null)
{
_visualElementTracker = new VisualElementTracker(this);
//_visualElementPackager = new VisualElementPackager(this);
//_visualElementPackager.Load();
}
this.EnsureId();
UpdateBackgroundColor();
if (IndicatorsView.IndicatorTemplate != null)
{
var control = IndicatorsView.IndicatorLayout.GetRenderer() ?? Platform.CreateRendererWithContext(IndicatorsView.IndicatorLayout, Context);
Platform.SetRenderer(IndicatorsView.IndicatorLayout, control);
AddView(control as AView);
}
else
{
UpdateItemsSource();
}
ElevationHelper.SetElevation(this, newElement);
}
