shybovycha

# Helper method to fix Apple's stupid png optimizations
# Adapted from:
#   http://www.axelbrz.com.ar/?mod=iphone-png-images-normalizer
#   https://github.com/peperzaken/iPhone-optimized-PNG-reverse-script/blob/master/Peperzaken/Ios/DecodeImage.php
# PNG spec: http://www.libpng.org/pub/png/spec/1.2/PNG-Contents.html

require 'zlib'
require 'stringio'

module PngNormalizer

shybovycha

<div id="page-wrap">
  <h1>A receding background dialog box.</h1>
    <button>Open Dialog Box</button>
  </div>
  
  <div id="dialog">
    <h2>I'm a dialog box. You have to click a button to open me.</h2>
    <button>Close Dialog Box</button>
  </div>
</div>

shybovycha

class MobileDetector
  # pass request.env for Rails 3.2
  def initialize(headers)
    @headers = headers
  end

  def get_mobile_os
    regexps = {
      #mobile OSs
      'ios' => 'ip(hone|ad|od)',