playing apple audio samples in in macruby

pling-plong-and-some.rb

#!/usr/bin/env rvm macruby

# code taken from: http://merbist.com/tag/nssound/

framework 'Cocoa'
# Cocoa documentation reference:
# http://developer.apple.com/mac/library/documentation/Cocoa/Reference/ApplicationKit/Classes/NSSound_Class/Reference/Reference.html
 
def sound_dir
  #@sound_dir ||= "/Library/Audio/Apple Loops/Apple/iLife Sound Effects/Machines/*aif"
  @sound_dir ||= "/System/Library/Sounds/*.aiff"
end

def play_sound
  @sounds.empty? and NSApplication.sharedApplication.terminate(nil)

  sound_file = @sounds.shift
  s = NSSound.alloc.initWithContentsOfFile(sound_file, byReference: false)
  puts "playing: #{sound_file}"
  s.delegate = self
  s.play
  end
 
# This is a delegate method called by the sound object
def sound(sound, didFinishPlaying: state)
  play_sound if state
end
 
# Delegate method called when the app finished loading
def applicationDidFinishLaunching(notification)
  @sounds = Dir.glob(sound_dir) #"/System/Library/Sounds/*.aiff")
  play_sound
end
 
# We are delegating the application to self so the script will know when
# it finished loading
NSApplication.sharedApplication.delegate = self
NSApplication.sharedApplication.run