Class: IStats::Battery

Inherits:
Object
  • Object
show all
Extended by:
BATTERY_STATS
Defined in:
lib/iStats/battery.rb

Class Method Summary collapse

Methods included from BATTERY_STATS

get_battery_charge, get_battery_design_cycle_count, get_battery_health, get_battery_temp, get_battery_time_remaining, has_battery?

Class Method Details

.all ⇒ Object

Call all functions (stats)



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# File 'lib/iStats/battery.rb', line 37

def all
  return unless validate_battery

  battery_health
  cycle_count
  print_capacity_info
  battery_temperature
end

.battery_charge ⇒ Object 



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# File 'lib/iStats/battery.rb', line 123

def battery_charge
  charge = get_battery_charge
  result = charge ? "#{charge}%" : "Unknown"
  puts "Battery charge: #{result}"
end

.battery_health ⇒ Object

Get the battery health Calls a C method from BATTERY_STATS module



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# File 'lib/iStats/battery.rb', line 106

def battery_health
  puts "Battery health: #{get_battery_health}"
end

.battery_temperature ⇒ Object

Get the battery temperature



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# File 'lib/iStats/battery.rb', line 99

def battery_temperature
  puts "Battery temp: #{get_battery_temp.round(2)}#{Symbols.degree}C  "
end

.battery_time_remaining ⇒ Object 



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# File 'lib/iStats/battery.rb', line 110

def battery_time_remaining
  time = get_battery_time_remaining

  if time.is_a? Integer
    hours   = time / 3600
    minutes = time / 60 - hours * 60

    time = "%i:%02i" % [hours, minutes]
  end

  puts "Battery time remaining: #{time}"
end

.cur_capacity ⇒ Object

Current capacity



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# File 'lib/iStats/battery.rb', line 83

def cur_capacity
  grep_ioreg("CurrentCapacity")
end

.cur_max_capacity ⇒ Object

Current max capacity



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# File 'lib/iStats/battery.rb', line 77

def cur_max_capacity
  grep_ioreg("MaxCapacity")
end

.cycle_count ⇒ Object

Prints the battery cycle count info



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# File 'lib/iStats/battery.rb', line 48

def cycle_count
  data = %x( ioreg -l | grep "CycleCount" )
  cycle_count = data[/"CycleCount" = ([0-9]*)/, 1]
  if cycle_count == nil
    puts "Cycle count: unknown"
  else
    max_cycle_count = design_cycle_count
    percentage = (cycle_count.to_f/max_cycle_count.to_f)*100
    thresholds = [45, 65, 85, 95]
    puts "Cycle count: #{cycle_count}  " + Printer.gen_sparkline(percentage, thresholds) + "  #{percentage.round(1)}%"
    puts "Max cycle count: #{max_cycle_count}"
  end
end

.delegate(stat) ⇒ Object

Delegate CLI command to function



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# File 'lib/iStats/battery.rb', line 11

def delegate(stat)
  # Before we deletage check if there's a battery on system
  return unless validate_battery

  case stat
  when 'all'
    all
  when 'temp', 'temperature'
    battery_temperature
  when 'health'
    battery_health
  when 'cycle_count', 'cc'
    cycle_count
  when 'time', 'remain'
    battery_time_remaining
  when 'charge'
    battery_charge
  when 'capacity'
    print_capacity_info
  else
    Command.help "Unknown stat for Battery: #{stat}"
  end
end

.design_cycle_count ⇒ Object

Get the battery design cycle count Calls a C method from BATTERY_STATS module



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# File 'lib/iStats/battery.rb', line 132

def design_cycle_count
  get_battery_design_cycle_count
end

.grep_ioreg(keyword) ⇒ Object

Get information from ioreg



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# File 'lib/iStats/battery.rb', line 64

def grep_ioreg(keyword)
  data = %x( ioreg -l | grep "#{keyword}" )
  capacity = data[/"#{keyword}" = ([0-9]*)/, 1]
end

.ori_max_capacity ⇒ Object

Original max capacity



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# File 'lib/iStats/battery.rb', line 71

def ori_max_capacity
  grep_ioreg("DesignCapacity")
end

.print_capacity_info ⇒ Object

Print battery capacity info



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# File 'lib/iStats/battery.rb', line 89

def print_capacity_info
  percentage = (cur_max_capacity.to_f/ori_max_capacity.to_f)*100
  thresholds = [45, 65, 85, 95]
  puts "Current charge:  #{cur_capacity} mAh"
  puts "Maximum charge:  #{cur_max_capacity} mAh " + Printer.gen_sparkline(100-percentage, thresholds) + "  #{percentage.round(1)}%"
  puts "Design capacity: #{ori_max_capacity} mAh"
end

.validate_battery ⇒ Object

Check if there’s a battery on the system



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# File 'lib/iStats/battery.rb', line 138

def validate_battery
  valid = has_battery?
  puts 'No battery on system' unless valid
  valid
end