Class: Ferrum::Browser::Subscriber

Inherits:
Object
  • Object
show all
Includes:
Concurrent::Async
Defined in:
lib/ferrum/browser/subscriber.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Subscriber

Returns a new instance of Subscriber.



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# File 'lib/ferrum/browser/subscriber.rb', line 14

def initialize
  super
  @on = Concurrent::Hash.new { |h, k| h[k] = Concurrent::Array.new }
end

Class Method Details

.build(size) ⇒ Object 



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# File 'lib/ferrum/browser/subscriber.rb', line 10

def self.build(size)
  (0..size).map { new }
end

Instance Method Details

#call(message) ⇒ Object 



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# File 'lib/ferrum/browser/subscriber.rb', line 28

def call(message)
  method, params = message.values_at("method", "params")
  total = @on[method].size
  @on[method].each_with_index do |block, index|
    # If there are a few callback we provide current index and total
    block.call(params, index, total)
  end
end

#on(event, &block) ⇒ Object 



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# File 'lib/ferrum/browser/subscriber.rb', line 19

def on(event, &block)
  @on[event] << block
  true
end

#subscribed?(event) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ferrum/browser/subscriber.rb', line 24

def subscribed?(event)
  @on.key?(event)
end