Class: Gtk2Mp3::GUI

Inherits:
Object
  • Object
show all
Defined in:
lib/gtk2mp3/gui.rb

Constant Summary collapse

MUTEX = 
Mutex.new
ID = 
lambda{|_|File.basename(_.strip.split(/\n/).first.strip,'.*')}

Instance Method Summary collapse

Constructor Details

#initialize(program) ⇒ GUI

Returns a new instance of GUI.



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# File 'lib/gtk2mp3/gui.rb', line 77

def initialize(program)
  window,minime,menu = program.window,program.mini_menu,program.app_menu
  @db = JSON.parse File.read(CONFIG[:DBM])
  window.signal_connect('delete-event'){File.write(CONFIG[:DBM], JSON.pretty_generate(@db))}

  # Build
  vbox = Such::Box.new(window, :VBOX)
  hbox = Such::Box.new(vbox, :HBOX)
  Such::Button.new(hbox, :next_button!){next_song!}
  Such::Button.new(hbox, :stop_button!){stop_song!}
  @label = Such::Label.new(vbox)
  menu.each{|_|_.destroy if _.label=='Full Screen' or _.label=='Help'}
  minime.each{|_|_.destroy}
  minime.append_menu_item(:stop_item!){stop_song!}
  minime.append_menu_item(:next_item!){next_song!}

  # Inits
  @list = `mpc listall`.lines.map{|_|ID[_]}.uniq
  @skipped=@playing=nil
  next_song!
  @time,@played = Time.now,@playing
  Thread.new do
    sleep(1) # mpd needs a little time to settle
    mpc_idle_player
  end

  window.show_all
end

Instance Method Details

#db_update ⇒ Object 



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# File 'lib/gtk2mp3/gui.rb', line 41

def db_update
  if @skipped
    up(@skipped) if Time.now-@time<CONFIG[:PLAYED]
  elsif @played
    down(@played)
    @playing = ID[`mpc current`]
    if play?(@playing)
      @label.text = @playing
    else
      next_song
    end
  end
  @time,@played,@skipped = Time.now,@playing,nil
end

#down(id) ⇒ Object 



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# File 'lib/gtk2mp3/gui.rb', line 26

def down(id)
  if count=@db[id]
    count -= 1
    if count>0
      @db[id] = count
    else
      @db.delete(id)
    end
  end
end

#mpc_idle_player ⇒ Object 



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# File 'lib/gtk2mp3/gui.rb', line 56

def mpc_idle_player
  loop do
    system 'mpc idle player'
    MUTEX.synchronize{db_update}
  end
end

#next_song ⇒ Object 



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# File 'lib/gtk2mp3/gui.rb', line 22

def next_song
  @label.text = @playing = ID[`mpc searchplay filename '#{random_song}'`]
end

#next_song! ⇒ Object 



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# File 'lib/gtk2mp3/gui.rb', line 63

def next_song!
  MUTEX.synchronize do
    @skipped = @playing
    next_song
  end
end

#play?(id) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gtk2mp3/gui.rb', line 10

def play?(id)
  rand(@db[id].to_i+1)==0
end

#random_song ⇒ Object 



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# File 'lib/gtk2mp3/gui.rb', line 14

def random_song
  n = @list.length
  loop do
    id = @list[rand(n)]
    return id if play?(id)
  end
end

#stop_song! ⇒ Object 



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# File 'lib/gtk2mp3/gui.rb', line 70

def stop_song!
  MUTEX.synchronize do
    @skipped = @playing = @played = nil
    system 'mpc stop'
  end
end

#up(id) ⇒ Object 



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# File 'lib/gtk2mp3/gui.rb', line 37

def up(id)
  @db[id] = @db[id].to_i+1
end