Module: PhilipsHue::Helpers

Included in:
Light
Defined in:
lib/philips_hue/helpers.rb

Instance Method Summary collapse

Instance Method Details

flash repeatedly



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# File 'lib/philips_hue/helpers.rb', line 25

def blink
  self.alert = "lselect"
end

#blip ⇒ Object

flash once



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# File 'lib/philips_hue/helpers.rb', line 20

def blip
  self.alert = "select"
end

#blue ⇒ Object 



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# File 'lib/philips_hue/helpers.rb', line 11

def blue
  self.xy = [0.1727, 0.0512]
end

#flash(xy, delay = 1, crazymode = false) ⇒ Object

flash a specified color

xy is the color to use
delay is the length of the flash (in seconds)
crazymode causes the light to blink during the flash



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# File 'lib/philips_hue/helpers.rb', line 33

def flash(xy, delay = 1, crazymode = false)
  # use state() and set() to minimize number of API calls
  original = self.state

  # turns the light on and maxes brightness too
  flash_state = {
    :xy  => xy,
    :on  => true,
    :bri => 255
  }

  # blink instead if the color is not going to change
  if xy == original["xy"] && original["colormode"] == "xy"
    flash_state["alert"] = "select"
  end

  # blink repeatedly if crazymode flag is set
  # (works best for delay >2 seconds)
  flash_state["alert"] = "lselect" if crazymode

  # the state to which to restore
  # (color gets set after)
  final_state = {
    :on => original["on"],
    :bri => original["bri"],
    :alert => original["alert"]
  }

  # smartly return to the original color
  case original["colormode"]
  when "xy"
    final_state[:xy]  = original["xy"]
  when "ct"
    final_state[:ct]  = original["ct"]
  when "hs"
    final_state[:hue] = original["hue"]
  end

  # flash!
  set(flash_state)
  # zzz...
  sleep delay
  # restore the light to its original state
  set(final_state)
end

#green ⇒ Object 



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# File 'lib/philips_hue/helpers.rb', line 7

def green
  self.xy = [0.4034, 0.5067]
end

#red ⇒ Object 



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# File 'lib/philips_hue/helpers.rb', line 3

def red
  self.xy = [0.6446, 0.3289]
end

#yellow ⇒ Object 



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# File 'lib/philips_hue/helpers.rb', line 15

def yellow
  self.xy = [0.4447, 0.4918]
end