Class: JavascriptFunction

Inherits:
JavascriptObject show all
Defined in:
lib/vapir-firefox/javascript_object.rb

Overview

represents a javascript function

Instance Attribute Summary

Attributes inherited from JavascriptObject

#debug_name, #firefox_socket, #function_result, #ref

Instance Method Summary collapse

Methods inherited from JavascriptObject

#%, #*, #+, #-, #/, #<, #<=, #==, #>, #>=, #[], #[]=, always_define_methods, always_define_methods=, #assign, #assign_expr, #assign_or_call_or_val_or_object_by_suffix, #attr, #binary_operator, #call, #define_methods!, #implemented_interfaces, #initialize, #inspect, #instanceof, #invoke, #invoke?, #method_missing, #new, #object_respond_to?, #object_type, #pass, #pretty_print, #respond_to?, #store, #store_rand_object_key, #store_rand_temp, #sub, #to_array, #to_dom, #to_function, #to_hash, #to_js_array, #to_js_hash, #to_js_hash_safe, #to_ruby_array, #to_ruby_hash, #to_simple_enumerator, #triple_equals, #type, #val, #val_or_object, #val_str

Constructor Details

This class inherits a constructor from JavascriptObject

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class JavascriptObject

Instance Method Details

#to_proc ⇒ Object 



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# File 'lib/vapir-firefox/javascript_object.rb', line 730

def to_proc
  @the_proc ||= begin
    javascript_function = self
    the_proc = proc do |*args|
      javascript_function.call(*args)
    end
    # this makes it so you can recover the javascript_function from the proc 
    # this method returns - js_func.to_proc.javascript_function returns js_func. 
    # unfortunately it's not so useful because when you pass the proc as a block, 
    # it's reinstantated without the metaclass or instance variable defined here. 
    # still, may have some potential use, so leaving this here. 
    the_proc_metaclass = (class << the_proc; self; end)
    the_proc_metaclass.send(:define_method, :javascript_function) do
      javascript_function
    end
    the_proc.instance_variable_set('@javascript_function', javascript_function)
    the_proc
  end
end