Module: CultomePlayer::Events

Included in:

CultomePlayer

Defined in:

lib/cultome_player/events.rb

Instance Method Summary

• #emit_event(event, *data) ⇒ Object

  Broadcast an event to all the registered listeners.

• #listeners ⇒ Hash

  Lazy getter of registered event listeners.

• #register_listener(event, &callback) ⇒ Object

  Register a callback to an event.

Instance Method Details

#emit_event(event, *data) ⇒ Object

Broadcast an event to all the registered listeners.

Parameters:

• event (Symbol) —

  The event name.

• data (Array) —

  The information sended to the listeners.

# File 'lib/cultome_player/events.rb', line 25

def emit_event(event, *data)
  listeners[event].collect{|l| l.call(*data) }
end

#listeners ⇒ Hash

Lazy getter of registered event listeners.

Returns:

• (Hash) —

  With event names as the keys and values are the listeners registered to that event.

# File 'lib/cultome_player/events.rb', line 7

def listeners
  @listeners ||= Hash.new{|h,k| h[k] = [] }
end

#register_listener(event, &callback) ⇒ Object

Register a callback to an event.

Parameters:

• event (Symbol) —

  The event name.

• callback (Object) —

  Implements a callback with the name on_<event name>.

Returns:

• (Object) —

  The registered callback.

# File 'lib/cultome_player/events.rb', line 16

def register_listener(event, &callback)
  listeners[event] << callback
  return callback
end