bool IViewHierarchyHandler.TryGetRepresentedView(object view, bool withSubviews, out IInspectView representedView)
{
var uiview = view as UIView;
if (uiview != null)
{
representedView = new iOSInspectView(uiview, withSubviews);
return(true);
}
representedView = null;
return(false);
}
public iOSInspectView(UIView view, bool withSubviews = true)
{
if (view == null)
{
throw new ArgumentNullException(nameof(view));
}
this.view = view;
PopulateTypeInformationFromObject(view);
// FIXME: special case certain view types and fill in the Description property
if (view is UILabel)
{
Description = ((UILabel)view).Text;
}
else if (view is UIButton)
{
Description = ((UIButton)view).TitleLabel.Text;
}
else if (view is UITextField)
{
Description = ((UITextField)view).Text;
}
if (!view.Transform.IsIdentity)
{
var transform = CGAffineTransform.MakeIdentity();
transform.Translate(-view.Bounds.Width * .5f, -view.Bounds.Height * .5f);
transform = CGAffineTransform.Multiply(transform, view.Transform);
transform.Translate(view.Center.X, view.Center.Y);
Transform = new ViewTransform {
M11 = transform.xx,
M12 = transform.yx,
M21 = transform.xy,
M22 = transform.yy,
OffsetX = transform.x0,
OffsetY = transform.y0
};
X = view.Bounds.X;
Y = view.Bounds.Y;
Width = view.Bounds.Width;
Height = view.Bounds.Height;
}
else
{
X = view.Frame.X;
Y = view.Frame.Y;
Width = view.Frame.Width;
Height = view.Frame.Height;
}
Kind = ViewKind.Primary;
Visibility = view.Hidden ? ViewVisibility.Collapsed : ViewVisibility.Visible;
if (!withSubviews)
{
var point = view.ConvertPointToView(
new CoreGraphics.CGPoint(0, 0),
null);
X = point.X;
Y = point.Y;
return;
}
// MKMapView has a subview that is so large (5901507x5901507 in the case encountered)
// that it causes the SceneKit camera to zoom out so much that every other node is
// effectively hidden. This should ideally be fixed in the client.
if (view is MapKit.MKMapView)
{
return;
}
var visitedLayers = new HashSet <IntPtr> ();
var subviews = view.Subviews;
if (subviews != null && subviews.Length > 0)
{
for (int i = 0; i < subviews.Length; i++)
{
var subview = new iOSInspectView(subviews [i]);
AddSubview(subview);
if (subview.Layer == null)
{
continue;
}
// After calling AddSubview, add any visited layers to the list. We track
// visited layers here so that when we actually recurse into the layer that
// belongs to this view, we don't duplicate things. This is needed because of
// the pointer-into-a-tree nature of layers, as explained above in the constructor
// remarks.
var subviewLayer = (iOSInspectView)subview.Layer;
if (subviewLayer.layer != null)
{
visitedLayers.Add(subviewLayer.layer.Handle);
}
subviewLayer.layer?.Sublayers?.ForEach(
layer => visitedLayers.Add(layer.Handle));
}
}
if (view.Layer != null && !visitedLayers.Contains(view.Layer.Handle))
{
Layer = new iOSInspectView(view, view.Layer, visitedLayers)
{
Parent = this
}
}
;
}
