public void LoadEvents(NativeView handler)
{
if (_disposed)
{
throw new ObjectDisposedException(null);
}
_handler = handler;
OnElementChanged(this, new VisualElementChangedEventArgs(null, _renderer.Element));
}
public static SizeRequest GetSizeRequest(this Ooui.Html.Element self, double widthConstraint, double heightConstraint,
double minimumWidth = -1, double minimumHeight = -1)
{
var rw = 0.0;
var rh = 0.0;
Size s = new Size(0, 0);
var measured = false;
if (self.Style.Width.Equals("inherit"))
{
s = self.Text.MeasureSize(self.Style, widthConstraint, heightConstraint);
measured = true;
rw = double.IsPositiveInfinity(s.Width) ? double.PositiveInfinity : Math.Ceiling(s.Width);
}
else
{
rw = self.Style.GetNumberWithUnits("width", "px", 640);
}
if (self.Style.Height.Equals("inherit"))
{
if (!measured)
{
s = self.Text.MeasureSize(self.Style, widthConstraint, heightConstraint);
measured = true;
}
rh = double.IsPositiveInfinity(s.Height) ? double.PositiveInfinity : Math.Ceiling(s.Height * 1.4);
}
else
{
rh = self.Style.GetNumberWithUnits("height", "px", 480);
}
var minimum = new Size(minimumWidth < 0 ? rw : minimumWidth,
minimumHeight < 0 ? rh : minimumHeight);
return(new SizeRequest(new Size(rw, rh), minimum));
}
public void Dispose()
{
if (_disposed)
{
return;
}
_disposed = true;
foreach (var kvp in _gestureRecognizers)
{
RemoveGestureRecognizer(_handler, kvp.Value);
kvp.Value.Dispose();
}
_gestureRecognizers.Clear();
if (ElementGestureRecognizers != null)
{
ElementGestureRecognizers.CollectionChanged -= _collectionChangedHandler;
}
_handler = null;
}
static void RemoveGestureRecognizer(Ooui.Html.Element element, NativeGestureRecognizer recognizer)
{
element.RemoveEventListener(recognizer.EventType, recognizer.Handler);
}
public static void SendViewInitialized(this VisualElement self, Ooui.Html.Element nativeView)
{
ViewInitialized?.Invoke(self, new ViewInitializedEventArgs {
View = self, NativeView = nativeView
});
}
