protected override void OnElementChanged(ElementChangedEventArgs <ContentView> e)
{
base.OnElementChanged(e);
if (e.NewElement != null && e.OldElement == null)
{
CorneredContentView corneredContentView = (this.Element as CorneredContentView);
if (corneredContentView.Content == null)
{
corneredContentView.Content = new Grid();
}
this.Validate(corneredContentView);
this.SetBackground(this._drawable = new CorneredContentViewDrawable(corneredContentView, this.Context.ToPixels));
this.SetupShadow(corneredContentView);
}
}
protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
CorneredContentView corneredContentView = this.Element as CorneredContentView;
this.Validate(corneredContentView);
base.OnElementPropertyChanged(sender, e);
switch (e.PropertyName)
{
case nameof(VisualElement.BackgroundColor):
{
this._drawable.Dispose();
this.SetBackground(this._drawable = new CorneredContentViewDrawable(corneredContentView, this.Context.ToPixels));
break;
}
case nameof(CorneredContentView.CornerRadius):
{
this.Invalidate();
this.SetupShadow(corneredContentView);
break;
}
case nameof(CorneredContentView.BorderColor):
case nameof(CorneredContentView.BorderThickness):
{
this.Invalidate();
break;
}
case nameof(CorneredContentView.HasShadow):
{
this.SetupShadow(corneredContentView);
break;
}
}
}