タブアイコンを2秒ごとに変える何か

mikutter_yometest.rb

# -*- coding:utf-8 -*-

Plugin.create :mikutter_yometest do
  tab(:mikutter_yometest, "テストタブ") do
    expand
    Thread.fork {
      loop {
        icon = File.expand_path(File.join(File.dirname(__FILE__), "yome.png"))
        set_icon icon
        sleep(2)
        icon = File.expand_path(File.join(File.dirname(__FILE__), "jis.png"))
        set_icon icon
        sleep(2)
      }
    }
  end
end