Class: MikePlayer::Display

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

Constant Summary collapse

PAUSE_INDICATOR = 
'||'.freeze
INDICATOR_SIZE = 
4

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Display

Returns a new instance of Display.



6
7
8
9
10
 
# File 'lib/mikeplayer/display.rb', line 6

def initialize
  @width     = 0
  @indicator = ''
  @changed   = false
end

Instance Method Details

#changed? ⇒ Boolean

Returns:

  • (Boolean) 


45
46
47
 
# File 'lib/mikeplayer/display.rb', line 45

def changed?
  true == @changed
end

#display!(elapsed_info, countdown = nil) ⇒ Object 



28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
 
# File 'lib/mikeplayer/display.rb', line 28

def display!(elapsed_info, countdown = nil)
  return unless changed?

  mindicator = "(#{countdown}↓) " if countdown

  print("\r" << ' '.ljust(@width))

  info  = "#{@info_prefix} #{elapsed_info} #{mindicator}#{@indicator}"

  print(info)

  @width   = info.size
  @changed = false

  $stdout.flush
end

#elapsed=(v) ⇒ Object 



16
17
18
19
 
# File 'lib/mikeplayer/display.rb', line 16

def elapsed=(v)
  @indicator = "#{'>' * (v % INDICATOR_SIZE)}".ljust(INDICATOR_SIZE)
  @changed   = true
end

#paused ⇒ Object 



21
22
23
24
25
26
 
# File 'lib/mikeplayer/display.rb', line 21

def paused
  if (false == @indicator.include?(PAUSE_INDICATOR))
    @indicator = PAUSE_INDICATOR.ljust(INDICATOR_SIZE)
    @changed   = true
  end
end

#song_info=(v) ⇒ Object 



12
13
14
 
# File 'lib/mikeplayer/display.rb', line 12

def song_info=(v)
  @info_prefix = "\r#{v}".freeze
end