animation.rb in apple-news-0.2.0

- old
+ new

@@ -1,7 +1,28 @@
 require 'apple-news/animations/base'
 Dir["#{File.dirname(__FILE__)}/animations/*.rb"].each { |path| require path }
 
 module AppleNews
   module Animation
+    extend self
+
+    def factory(data)
+      return if data.nil?
+      
+      animations.each do |animation|
+        if animation.type == data[:type]
+          return animation.new(data)
+        end
+      end
+
+      nil
+    end
+
+    private
+
+    def animations
+      @animations ||= self.constants.
+        map { |const| self.const_get(const) }.
+        select { |const| const.name.demodulize != "Base" && const.is_a?(Class) }
+    end
   end
 end