Fixing StackView rendering bug exposed by recent Launcher change

            View p = v;

            if (!(v.getParent() != null && v.getParent() instanceof View)) return;

            View gp = (View) v.getParent();

            boolean firstPass = true;

            parentRect.set(0, 0, 0, 0);

            int depth = 0;

            while (gp.getParent() != null && gp.getParent() instanceof View

            while (p.getParent() != null && p.getParent() instanceof View

                    && !parentRect.contains(r)) {

                if (!firstPass) {

                    r.offset(p.getLeft() - gp.getScrollX(), p.getTop() - gp.getScrollY());

                    r.offset(p.getLeft() - p.getScrollX(), p.getTop() - p.getScrollY());

                    depth++;

                }

                firstPass = false;

                p = (View) p.getParent();

                gp = (View) p.getParent();

                parentRect.set(p.getLeft() - gp.getScrollX(), p.getTop() - gp.getScrollY(),

                        p.getRight() - gp.getScrollX(), p.getBottom() - gp.getScrollY());

                parentRect.set(p.getScrollX(), p.getScrollY(),

                               p.getWidth() + p.getScrollX(), p.getHeight() + p.getScrollY());

                // TODO: we need to stop early here if we've hit the edge of the screen

                // so as to prevent us from walking too high in the hierarchy. A lot of this