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# frozen_string_literal: true
module TTY
class Prompt
class Timer
attr_reader :duration
attr_reader :total
attr_reader :interval
def initialize(duration, interval)
@duration = duration
@interval = interval
@total = 0.0
@current = nil
@events = []
end
def start
return if @current
@current = time_now
end
def stop
return unless @current
@current = nil
end
def runtime
time_now - @current
end
def on_tick(&block)
@events << block
end
def while_remaining
start
remaining = duration
if @duration
while remaining >= 0.0
if runtime >= total
tick = duration - @total
@events.each { |block| block.(tick) }
@total += @interval
end
yield(remaining)
remaining = duration - runtime
end
else
loop { yield }
end
ensure
stop
end
if defined?(Process::CLOCK_MONOTONIC)
# Object representing current time
def time_now
::Process.clock_gettime(Process::CLOCK_MONOTONIC)
end
else
# Object represeting current time
def time_now
::Time.now
end
end
end # Timer
end # Prompt
end # TTY
|
