Class: Rowl::Notification

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

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ Notification

Returns a new instance of Notification.



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# File 'lib/rowl.rb', line 102

def initialize(opts={})
  opts = {
    :priority => 0, 
    :sticky => false,
    :host => "localhost"
  }.merge(opts)
  
  @application = opts[:application]
  @password = opts[:password]
  @host = opts[:host]
  @notification = opts[:notification]
  @title = opts[:title]
  @description = opts[:description]
  @priority = opts[:priority]
  @sticky = opts[:sticky]
  
  send_notification
end

Instance Method Details

#payload ⇒ Object 



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

def payload
  flags = 0
  data = []
  
  packet = [
    GROWL_PROTOCOL_VERSION,
    GROWL_TYPE_NOTIFICATION,
  ]

  flags = 0
  flags |= ((0x7 & @priority) << 1) # 3 bits for priority
  flags |= 1 if @sticky # 1 bit for sticky

  packet << flags
  packet << @notification.length
  packet << @title.length
  packet << @description.length
  packet << @application.length

  data << @notification
  data << @title
  data << @description
  data << @application

  packet << data.join
  packet = packet.pack(NOTIFICATION_FORMAT)

  if @password
    checksum = Digest::MD5.digest(packet+@password)
  else
    checksum = Digest::MD5.digest(packet)
  end
  
  packet << checksum
  @datagram = packet
end

#send_notification ⇒ Object 



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# File 'lib/rowl.rb', line 121

def send_notification
  socket = UDPSocket.open
  socket.send(payload, 0, @host, 9887)
end