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# -*- coding: utf-8 -*-
require 'set'
# このモジュールをincludeすると、そのクラスの全てのメソッドは
module UiThreadOnly
PREFIX = 'qawsedrftgyhujikolp_'.freeze
def self.included(klass)
klass.instance_eval{
class << self
defined = Set.new
define_method(:mainthread_only){ |method_name|
if not(defined.include?(method_name.to_sym)) and not(method_name.to_s.start_with?(UiThreadOnly::PREFIX))
defined << method_name.to_sym
new_method = :"#{UiThreadOnly::PREFIX}#{method_name}"
alias_method(new_method, method_name)
define_method(method_name) { |*args, &proc|
raise ThreadError.new("call #{self.class}##{method_name} not at main thread.") if Thread.current != Thread.main
__send__(new_method, *args, &proc) } end }
end
(public_instance_methods - Class.new.public_instance_methods).each{ |method_name|
mainthread_only method_name
}
def method_added(method_name)
mainthread_only method_name
end
}
end
end
if __FILE__ == $PROGRAM_NAME
require "test/unit"
class Test__call__ < Test::Unit::TestCase
def test_include_childclass
s = Class.new {
def x; :x end }
c = Class.new(s){
include UiThreadOnly }
s.new.x # => :x
c.new.x # => :x
Thread.new{ c.new.x }.join # =>
end
end
end
# >> Loaded suite -
# >> Started
# >> E
# >> Finished in 0.002061 seconds.
# >>
# >> 1) Error:
# >> test_include_childclass(Test__call__):
# >> ThreadError: call #<Class:0x7f7ebb92d420>#x not at main thread.
# >> -:21:in `x'
# >> -:50:in `join'
# >> -:50:in `test_include_childclass'
# >>
# >> 1 tests, 0 assertions, 0 failures, 1 errors
|
