Hacking mouse scrolling

gistfile1.js

  var mousewheel_buffer = [];
  var mousewheel_buffer_size = 5;
  $(document).mousewheel(function(e, d){
    // not for landing page
    if (!app.current_timeline) { 
      return true;
    }

    if (mousewheel_buffer.length === mousewheel_buffer_size) {
      mousewheel_buffer.shift();
    }
    mousewheel_buffer.push(new Date().getTime() * (d > 0 ? 1: -1));

    if (mousewheel_buffer.length >= mousewheel_buffer_size
       && _.all(mousewheel_buffer, function(i){ return i>0 })
       && ( _.last(mousewheel_buffer) - _.first(mousewheel_buffer)) < 1000) {
      mousewheel_buffer = [];
      
      // actual up
      app._on_prev();

    }
    
    if (mousewheel_buffer.length >= mousewheel_buffer_size
        && _.all(mousewheel_buffer, function(i){ return i<0 })
        && (_.last(mousewheel_buffer) - _.first(mousewheel_buffer)) > -1000) {
      mousewheel_buffer = [];
      
      // actual down
      app._on_next();
      
    }
    
    return false;
  });