在某些情况下禁用滚动视图

I am implementing horizontal scrollview with 10 custom views each view is having different UI. when user scroll left I am scrolling to  next view and on right scrolling to previous view it is working fine till now.At some conditions I have to restrict the left scrolling and enable only right scrolling. In below method i am getting scenarios when to disable the right scrollingI am implementing horizontal scrollview with 10