Class: Radiodan::Panic

Inherits:
Object
  • Object
show all
Includes:
Logging
Defined in:
lib/radiodan/middleware/panic.rb

Instance Method Summary collapse

Methods included from Logging

included, level, level=, #logger, output, output=

Constructor Details

#initialize(config) ⇒ Panic

Returns a new instance of Panic.



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# File 'lib/radiodan/middleware/panic.rb', line 5

def initialize(config)
  @panic      = false
  @timeout    = config.delete(:duration).to_i
  @playlist   = config[:playlist]
end

Instance Method Details

#call(player) ⇒ Object 



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# File 'lib/radiodan/middleware/panic.rb', line 11

def call(player)
  @player = player
  
  @player.register_event :panic do
    panic!
  end
end

#panic! ⇒ Object 



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# File 'lib/radiodan/middleware/panic.rb', line 23

def panic!
  return true if panic?
  
  @panic = true
  
  original_state = @player.playlist
  logger.debug "panic for #{@timeout} seconds"
  @player.playlist = @playlist
  
  EM::Synchrony.add_timer(@timeout) do
    return_to_state original_state
  end
end

#panic? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/radiodan/middleware/panic.rb', line 19

def panic?
  @panic == true
end

#return_to_state(playlist) ⇒ Object 



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# File 'lib/radiodan/middleware/panic.rb', line 37

def return_to_state(playlist)
  logger.debug "calming"
  @panic = false
  @player.playlist = playlist
end