Module: Seh::EventTarget

Included in:
Default
Defined in:
lib/seh/event_target.rb

Defined Under Namespace

Classes: Default

Instance Method Summary collapse

Instance Method Details

#bind(event_type = nil, &block) ⇒ Object 



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# File 'lib/seh/event_target.rb', line 6

def bind event_type=nil, &block
  raise "expected a block" unless block_given?
  @_binds ||= []
  bind = EventBind.new event_type, &block
  @_binds << bind
  EventBindDisconnector.new ->{ @_binds.delete bind; nil }
end

#bind_once(event_type = nil, &block) ⇒ Object 



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# File 'lib/seh/event_target.rb', line 14

def bind_once event_type=nil, &block
  return unless block_given?
  bind_disconnector = self.bind(event_type) { |event| bind_disconnector.disconnect; block.call event }
end