Class: Rack::ChromeFrame

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/chrome_frame.rb

Instance Method Summary collapse

Constructor Details

#initialize(app, options = {}) ⇒ ChromeFrame 



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# File 'lib/rack/chrome_frame.rb', line 4

def initialize(app, options={})
  @app = app
end

Instance Method Details

#body_with_chrome_frame(response) ⇒ Object 



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# File 'lib/rack/chrome_frame.rb', line 19

def body_with_chrome_frame(response)
  body_to_string = response.body.to_s
  head = "  <meta http-equiv=\"X-UA-Compatible\" content=\"chrome=1\">\n  HEAD\n  \n  bod = <<-BOD\n  <script type=\"text/javascript\" src=\"http://ajax.googleapis.com/ajax/libs/chrome-frame/1/CFInstall.min.js\"></script>\n  <div id=\"cf-placeholder\"></div>\n  <script>CFInstall.check({node: \"cf-placeholder\"});</script>\n  BOD\n\n  body_to_string.gsub!(/<\\/head>/, head + \"\\n</head>\")\n  body_to_string.gsub!(/<\\/body>/, bod  + \"\\n</body>\")\n  [body_to_string]\nend\n"

#call(env) ⇒ Object 



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# File 'lib/rack/chrome_frame.rb', line 8

def call(env)
  status, headers, response = @app.call(env)

  if env['HTTP_USER_AGENT'] =~ /MSIE/ && headers['Content-Type'] =~ /text\/html/ 
    response.body = body_with_chrome_frame(response) 
    headers.merge("Content-Length" => response.body.length.to_s)
  end
  
  [status, headers, response]
end