Class: Prawnto::TemplateHandler::CompileSupport

Inherits:
Object
  • Object
show all
Defined in:
lib/prawnto/template_handler/compile_support.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(controller) ⇒ CompileSupport

Returns a new instance of CompileSupport.



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# File 'lib/prawnto/template_handler/compile_support.rb', line 6

def initialize(controller)
  @controller = controller
  @options = pull_options
  set_headers
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/prawnto/template_handler/compile_support.rb', line 4

def options
  @options
end

Instance Method Details

#ie_request? ⇒ Boolean

TODO: kept around from railspdf– maybe not needed anymore? should check.

Returns:

  • (Boolean) 


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# File 'lib/prawnto/template_handler/compile_support.rb', line 24

def ie_request?
  return @ie_request if instance_variable_defined?(:@ie_request)
  @ie_request = @controller.request.env['HTTP_USER_AGENT'] =~ /msie/i
end

#pull_options ⇒ Object 



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# File 'lib/prawnto/template_handler/compile_support.rb', line 12

def pull_options
  @controller.send :compute_prawnto_options || {}
end

#set_cache_control ⇒ Object

TODO: kept around from railspdf– maybe not needed anymore? should check.



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# File 'lib/prawnto/template_handler/compile_support.rb', line 46

def set_cache_control
  if ssl_request? && ie_request?
    @controller.headers['Cache-Control'] = 'maxage=1' # added to make ie ssl pdfs work (per naisayer)
  else
    @controller.headers['Cache-Control'] ||= ie_request? ? 'no-cache, must-revalidate' : ''
  end
end

#set_content_type ⇒ Object 



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# File 'lib/prawnto/template_handler/compile_support.rb', line 54

def set_content_type
  @controller.response.content_type ||= Mime::PDF
end

#set_disposition ⇒ Object 



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# File 'lib/prawnto/template_handler/compile_support.rb', line 58

def set_disposition
  inline = options[:inline] ? 'inline' : 'attachment'
  filename = options[:filename] ? "filename=#{options[:filename]}" : nil
  @controller.headers["Content-Disposition"] = [inline,filename].compact.join(';')
end

#set_headers ⇒ Object 



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# File 'lib/prawnto/template_handler/compile_support.rb', line 16

def set_headers
  set_pragma
  set_cache_control
  set_content_type
  set_disposition
end

#set_pragma ⇒ Object

TODO: kept around from railspdf– maybe not needed anymore? should check.



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# File 'lib/prawnto/template_handler/compile_support.rb', line 37

def set_pragma
  if ssl_request? && ie_request?
    @controller.headers['Pragma'] = 'public' # added to make ie ssl pdfs work (per naisayer)
  else
    @controller.headers['Pragma'] ||= ie_request? ? 'no-cache' : ''
  end
end

#ssl_request? ⇒ Boolean

added to make ie happy with ssl pdf’s (per naisayer)

Returns:

  • (Boolean) 


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# File 'lib/prawnto/template_handler/compile_support.rb', line 30

def ssl_request?
  return @ssl_request if instance_variable_defined?(:@ssl_request)
  protocol = @controller.request.env['SERVER_PROTOCOL']
  @ssl_request = protocol && protocol.downcase == "https"
end