Class: Mpc

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initializeMpc

Returns a new instance of Mpc.



5
6
7
# File 'lib/Mpc.rb', line 5

def initialize
  @debug = false
end

Instance Attribute Details

#debugObject

Returns the value of attribute debug.



3
4
5
# File 'lib/Mpc.rb', line 3

def debug
  @debug
end

Instance Method Details

#add(song, insert = false) ⇒ Object

insert: whether to add the song after the currently playing one instead of the end of the queue



21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
# File 'lib/Mpc.rb', line 21

def add(song, insert = false)
  unless song.respond_to? 'url'
    p song
    raise ArgumentError, "parameter does not have an #url method"
  end
  if @debug
    action = insert ? "insert" : "add"
    puts "would #{action} #{song['title']}: #{song.url}"
  else
    if insert then
      mpccall("insert '#{song.url}'")
    else
      mpccall("add '#{song.url}'")
    end
  end
end

#clearObject

stops the player and clears the playlist



47
48
49
50
51
52
53
54
# File 'lib/Mpc.rb', line 47

def clear
  if @debug
    puts "would clear"
  else
    mpccall("stop")
    mpccall("clear")
  end
end

#current(info = :url) ⇒ Object

returns info about the currently playing file



57
58
59
60
61
62
63
64
65
66
67
# File 'lib/Mpc.rb', line 57

def current(info = :url)
  filter =case info
  when :url
    '%file%'
  when :album
    '%album%'
  when :artist
    '%artist%'
  end
  `mpc --format '#{filter}' current`
end

#mpccall(cmd, quiet = true) ⇒ Object



9
10
11
12
13
14
15
16
17
# File 'lib/Mpc.rb', line 9

def mpccall(cmd, quiet = true)
  call = "mpc #{cmd}"
  call << " > /dev/null" if quiet

  unless system(call)
    $stderr.puts "MPC call error: #{$?}"
  end

end

#playObject



38
39
40
41
42
43
44
# File 'lib/Mpc.rb', line 38

def play
  if @debug
    puts "would play"
  else
    mpccall("play")
  end
end