What to do in this situation？

[RondaHo]

i present the navigation controller with navigationBar, which is the subclass of BottomPopupNavigationController. custom the height is 400. it manage controller A.
in some case, i need push a controller( just call B) from A, and B controller height is same as the keywindow, just like the nomal push action.
What to do in this situation?

[RondaHo]

and if i present B is also has a issue