Module: Artoo::Events

Included in:
Robot
Defined in:
lib/artoo/events.rb

Overview

Class that handles events

Instance Method Summary collapse

Instance Method Details

#create_proxy_method(base_name, v) ⇒ Object

Create an anonymous subscription method so we can wrap the subscription method fire into a valid method regardless of where it is defined

Parameters:

  • base_name (String)
  • v (String) 


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# File 'lib/artoo/events.rb', line 19

def create_proxy_method(base_name, v)
  proxy_method_name(base_name).tap do |name|
    self.class.send :define_method, name do |*args|
      case v
      when Symbol
        self.send v.to_sym, *args
      when Proc
        v.call(*args)
      end
    end
  end
end

#on(device, events = {}) ⇒ Object

Subscribe to an event from a device

Parameters:

  • device (Device)
  • events (Hash) (defaults to: {}) 


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# File 'lib/artoo/events.rb', line 8

def on(device, events={})
  events.each do |k, v|
    subscribe("#{safe_name}_#{device.name}_#{k}", create_proxy_method(k, v))
  end
end

#proxy_method_name(base_name) ⇒ Method

A simple loop to create a 'fake' anonymous method

Returns:

  • (Method) —

    created method



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# File 'lib/artoo/events.rb', line 34

def proxy_method_name(base_name)
  begin
    meth = "#{base_name}_#{Random.rand(999)}"
  end while respond_to?(meth)
  meth
end