FireRuby

Firefox js-ctypes application that hosts programming language ruby

DOM class reference

DOM.window

XUL window object.

DOM.document

XUL document object.

constructor

initialize(id)

create specified element proxy

• id element id

instance methods

addEventListener(name, &block)

register specified event listener.

Unlike ordinal DOM specification, only one listener can be added to the same element.

• name : name of the event
• block

sample)

DOM.new('ruby_version').addEventListener('click') do |event|
  puts("x:#{event.clientX}, y:#{event.clientY}")
end

alias: add_event_listener

removeEventListener(name)

unregister specified event listener

• name : name of the event

alias: remove_event_listener

DOM.window specialized methods

set_timeout(msec, &block)

invoke block after msec.

• msec
• block

set_interval(msec, &block)

repeat block after msec

• msec
• block
• return : timer id to stop this timer instance

clear_interval(timer_id)

clear previously called set_interval

• timer_id : timer id returned by previously called set_interval

example)

count = 0
key = DOM.window.set_interval(3000) do
  count += 1
  if count > 3
    DOM.window.alert('done')
    DOM.window.clear_interval(key)
  else
    DOM.window.alert('hell')
  end
end
p key