module WebSocket::Driver::EventEmitter
Public Class Methods
new()
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# File lib/websocket/driver/event_emitter.rb, line 5 def initialize @listeners = Hash.new { |h,k| h[k] = [] } end
Public Instance Methods
add_listener(event, &listener)
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# File lib/websocket/driver/event_emitter.rb, line 9 def add_listener(event, &listener) @listeners[event.to_s] << listener end
emit(event, *args)
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# File lib/websocket/driver/event_emitter.rb, line 29 def emit(event, *args) @listeners[event.to_s].dup.each do |listener| listener.call(*args) end end
listener_count(event)
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# File lib/websocket/driver/event_emitter.rb, line 35 def listener_count(event) return 0 unless @listeners.has_key?(event.to_s) @listeners[event.to_s].size end
listeners(event)
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# File lib/websocket/driver/event_emitter.rb, line 40 def listeners(event) @listeners[event.to_s] end
on(event, &listener)
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# File lib/websocket/driver/event_emitter.rb, line 13 def on(event, &listener) add_listener(event, &listener) end
remove_all_listeners(event = nil)
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# File lib/websocket/driver/event_emitter.rb, line 21 def remove_all_listeners(event = nil) if event @listeners.delete(event.to_s) else @listeners.clear end end
remove_listener(event, &listener)
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# File lib/websocket/driver/event_emitter.rb, line 17 def remove_listener(event, &listener) @listeners[event.to_s].delete(listener) end