Refactor: Move recipients method into acts_as_event

acts_as_event should be the standard interface to Redmine events, like mail
notifications, so having a standard recipients implementation there makes sense.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3358 e93f8b46-1217-0410-a6f0-8f06a7374b81

vendor/plugins/acts_as_event/lib/acts_as_event.rb

@@ -68,6 +68,13 @@ module Redmine
           (option.is_a?(Proc) ? option.call(self) : send(option)).merge(options)
         end
 
+        # Returns the mail adresses of users that should be notified
+        def recipients
+          notified = project.notified_users
+          notified.reject! {|user| !visible?(user)}
+          notified.collect(&:mail)
+        end
+
         module ClassMethods
         end
       end