Class: Listen::Adapter::Darwin

Inherits:
Base
  • Object
show all
Defined in:
lib/listen/adapter/darwin.rb

Overview

Adapter implementation for Mac OS X FSEvents.

Constant Summary

Constants inherited from Base

Base::DEFAULT_LATENCY

Instance Attribute Summary

Attributes inherited from Base

#listener

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#_directories_path, #_latency, #_notify_change

Constructor Details

#initialize(listener) ⇒ Darwin

Returns a new instance of Darwin.



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# File 'lib/listen/adapter/darwin.rb', line 12

def initialize(listener)
  require 'rb-fsevent'
  super
end

Class Method Details

.usable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/listen/adapter/darwin.rb', line 8

def self.usable?
  RbConfig::CONFIG['target_os'] =~ /darwin(1.+)?$/i
end

Instance Method Details

#_changes_path(changes) ⇒ Object (private) 



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# File 'lib/listen/adapter/darwin.rb', line 35

def _changes_path(changes)
  changes.map do |path|
    path.sub!(/\/$/, '')
    Pathname.new(path)
  end
end

#_init_worker ⇒ Object (private)

Initializes a FSEvent worker and adds a watcher for each directory listened.



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# File 'lib/listen/adapter/darwin.rb', line 27

def _init_worker
  FSEvent.new.tap do |worker|
    worker.watch(_directories_path, latency: _latency) do |changes|
      _changes_path(changes).each { |path| _notify_change(path, type: 'Dir') }
    end
  end
end

#start ⇒ Object 



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# File 'lib/listen/adapter/darwin.rb', line 17

def start
  worker = _init_worker
  worker.run
end