public static void GetRoutingObstacles(IServiceProvider serviceProvider, object source, object target, out List <Rectangle> rectanglesToExclude, out List <Point> linesToExclude, out List <Point> pointsToExclude)
{
AmbientTheme ambientTheme = WorkflowTheme.CurrentTheme.AmbientTheme;
ActivityDesigner safeRootDesigner = ActivityDesigner.GetSafeRootDesigner(serviceProvider);
ConnectionPoint point = source as ConnectionPoint;
Point point2 = (point != null) ? point.Location : ((Point)source);
ActivityDesigner designer = (point != null) ? point.AssociatedDesigner : safeRootDesigner.HitTest(point2).AssociatedDesigner;
ConnectionPoint point3 = target as ConnectionPoint;
Point point4 = (point3 != null) ? point3.Location : ((Point)target);
ActivityDesigner designer3 = (point3 != null) ? point3.AssociatedDesigner : safeRootDesigner.HitTest(point4).AssociatedDesigner;
Dictionary <int, ActivityDesigner> dictionary = new Dictionary <int, ActivityDesigner>();
if (designer != null)
{
for (CompositeActivityDesigner designer4 = designer.ParentDesigner; designer4 != null; designer4 = designer4.ParentDesigner)
{
if (dictionary.ContainsKey(designer4.GetHashCode()))
{
break;
}
dictionary.Add(designer4.GetHashCode(), designer4);
}
}
if (designer3 != null)
{
for (CompositeActivityDesigner designer5 = designer3.ParentDesigner; designer5 != null; designer5 = designer5.ParentDesigner)
{
if (dictionary.ContainsKey(designer5.GetHashCode()))
{
break;
}
dictionary.Add(designer5.GetHashCode(), designer5);
}
}
rectanglesToExclude = new List <Rectangle>();
pointsToExclude = new List <Point>();
foreach (CompositeActivityDesigner designer6 in dictionary.Values)
{
ReadOnlyCollection <ActivityDesigner> containedDesigners = designer6.ContainedDesigners;
for (int i = 0; i < containedDesigners.Count; i++)
{
ActivityDesigner designer7 = containedDesigners[i];
if ((designer7.IsVisible && !dictionary.ContainsKey(designer7.GetHashCode())) && ((designer7 != designer) && (designer7 != designer3)))
{
Rectangle bounds = designer7.Bounds;
bounds.Inflate(ambientTheme.Margin);
rectanglesToExclude.Add(bounds);
}
}
}
linesToExclude = new List <Point>();
if (((designer != null) && (designer == designer3)) && !designer.IsRootDesigner)
{
linesToExclude.AddRange(GetDesignerEscapeCover(designer, new object[] { source, target }));
}
else
{
if ((designer != null) && !designer.IsRootDesigner)
{
linesToExclude.AddRange(GetDesignerEscapeCover(designer, new object[] { source }));
}
if ((designer3 != null) && !designer3.IsRootDesigner)
{
bool flag = true;
for (CompositeActivityDesigner designer8 = (designer != null) ? designer.ParentDesigner : null; designer8 != null; designer8 = (designer != null) ? designer8.ParentDesigner : null)
{
if (designer3 == designer8)
{
flag = false;
break;
}
}
if (flag)
{
linesToExclude.AddRange(GetDesignerEscapeCover(designer3, new object[] { target }));
}
}
}
}