Contents

module Guard
  class Polling < Listener
    attr_reader :callback, :latency
    
    def initialize
      super
      @latency = 1.5
    end
    
    def on_change(&callback)
      @callback = callback
    end
    
    def start
      @stop = false
      watch_change
    end
    
    def stop
      @stop = true
    end
    
  private
    
    def watch_change
      while !@stop
        start = Time.now.to_f
        files = modified_files([Dir.pwd + '/'], :all => true)
        update_last_event
        callback.call(files) unless files.empty?
        nap_time = latency - (Time.now.to_f - start)
        sleep(nap_time) if nap_time > 0
      end
    end
    
  end
end

Version data entries

5 entries across 5 versions & 2 rubygems

Version	Path
arcabouco-0.2.13	vendor/bundle/gems/guard-0.2.2/lib/guard/listeners/polling.rb
guard-0.2.2	lib/guard/listeners/polling.rb
guard-0.2.1	lib/guard/listeners/polling.rb
guard-0.2.0	lib/guard/listeners/polling.rb
guard-0.2.0.beta.1	lib/guard/listeners/polling.rb