I made a facebook content locker(PHP + HTML + JAVA) for my website, so to access the site user must press the 'facebook share "in the middle of the screen.After pressing this button, it opens facebook pop-up and user can share or NOT my link because locker disappear in 30 seconds since clicked on this button(so I put it). Is there any possibility, any function that content locker disappear only after the user has actually given share in facebook pop-up window,I mean after my site address appears on facebook ? Thanks a lot