lib/playtime_updater.rb

   1 class PlaytimeUpdater
   2         INTERVAL = 0.25
   3
   4         def initialize(xmms, &block)
   5                 @xmms = xmms
   6                 @block = block
   7                 @timer = nil
   8                 @current_pos = nil
   9
  10                 on_timer
  11         end
  12
  13         def enabled=(v)
  14         if !v && !@timer.nil?
  15                         @timer.delete
  16                         @timer = nil
  17                 elsif v
  18                         @current_pos = nil
  19                         on_timer
  20
  21             @timer = Ecore::Timer.new(INTERVAL) do
  22                                 on_timer
  23                                 true
  24                         end
  25         end
  26         end
  27
  28         private
  29         def on_timer
  30                 pltime = @xmms.playback_playtime.wait.value
  31                 cur_pos = pltime / 1000
  32
  33                 if @current_pos != cur_pos
  34                         @current_pos = cur_pos
  35                         @block.call(@current_pos)
  36                 end
  37         end
  38 end