cobuild-angular-stack/assets/raws/modal.virtual.keyboard.fix.js

Base stack angular sass jade gulp

$(function(){
        
    var i=0;
    var initialScreenSize = screen.height;
    
    var intId =  window.setInterval(function(){ 
        if(check()){
            addClass();
        }else{
            removeClass();
        };    
    },400);
    
    function check(){ //Actual screen height change checking code
        var kbactive = $('.modal.in').height();
        if(kbactive){
          
          $('html,body').css('height',kbactive+'px').css('overflow','hidden');
          if(initialScreenSize !== kbactive ){
              
              addClass();
              return true;
          }else{
              
              removeClass();
              return false;    
          }
        }else{
          removeClass();
        }
        return false;
    }
    
    function addClass(){ //Adds keyboard active class
       
        $('body').addClass('kbactive');    
    }
    
    function removeClass(){ //Removes keyboard active class
        $('html, body').css('height', '').css('overflow','');
        $('body').removeClass('kbactive');    
    }

});