Class: Brainstorm::Debouncer

Inherits:
Neuron
  • Object
show all
Defined in:
lib/brainstorm.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Neuron

#>>

Constructor Details

#initialize(quiet_period) ⇒ Debouncer

Returns a new instance of Debouncer.



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# File 'lib/brainstorm.rb', line 115

def initialize(quiet_period)
  @quiet_period = quiet_period
  
  @timer = 0
  @state = :asleep
end

Instance Attribute Details

#quiet_period ⇒ Object

Returns the value of attribute quiet_period.



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# File 'lib/brainstorm.rb', line 112

def quiet_period
  @quiet_period
end

#state ⇒ Object (readonly)

Returns the value of attribute state.



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# File 'lib/brainstorm.rb', line 113

def state
  @state
end

#timer ⇒ Object (readonly)

Returns the value of attribute timer.



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# File 'lib/brainstorm.rb', line 113

def timer
  @timer
end

Instance Method Details

#call(item) ⇒ Object 



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# File 'lib/brainstorm.rb', line 131

def call(item)
  if item.is_a? Start
    if is_asleep?
      fire start
    elsif is_buffering?
      @buffer.each {|i| fire i}
    end

    @state = :in_block
  elsif item.is_a? Finish
    @buffer = []
    @timer  = 0
    
    @state = :buffering
  else
    if is_buffering?
      @buffer.push item
      
      @timer += 1
      if @timer > @quiet_period
        fire finish
        @buffer.each {|i| fire i}
        
        @state = :asleep
      end
    else
      fire item
    end
  end
end

#is_asleep? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/brainstorm.rb', line 122

def is_asleep?
  @state == :asleep
end

#is_buffering? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/brainstorm.rb', line 126

def is_buffering?
  @state == :buffering
end