In calcOurContentVisibleRect, account for the visible title bar.

    private void calcOurContentVisibleRect(Rect r) {

        calcOurVisibleRect(r);

        r.left = viewToContentX(r.left);

        r.top = viewToContentY(r.top);

        // viewToContentY will remove the total height of the title bar.  Add

        // the visible height back in to account for the fact that if the title

        // bar is partially visible, the part of the visible rect which is

        // displaying our content is displaced by that amount.

        int titleHeight = getVisibleTitleHeight();

        r.top = viewToContentY(r.top + titleHeight);

        r.right = viewToContentX(r.right);

        r.bottom = viewToContentY(r.bottom);

        r.bottom = viewToContentY(r.bottom + titleHeight);

    }

    static class ViewSizeData {