Event delegation rubymotion example

delegation_rubymotion.rb

#example
class Request

  attr_accessor :delegate

  def self.initWithPath(*args, &block)
    instance = allocate
    instance.myInitializer(*args, &block)
    instance
  end
  
  def myInitializer(path)
    @path = path
  end
  
  def start
    self.delegate.public_send(:requestDidStart)
    someMethodWithPath(@path) do |result|
      self.delegate.public_send(:requestDidSucceed, result.body) if result.success?
      self.delegate.public_send(:requestDidFail, result.error) if result.error?
    end
  end

end

#usage
class SomeViewController < UIViewController

  def viewDidLoad
    request = Request.initWithPath('/pictures')
    request.delegate = self
    request.start
  end
  
  def requestDidStart
    p "ZOMG request did start !!!!"
  end
  
  def requestDidSucceed(body)
    p "do something boring with #{body}"
  end
  
  def requestDidFail(error)
    p "Oh noes..."
  end

end