diff options
Diffstat (limited to 'activemodel/lib/active_model/observer_array.rb')
| -rw-r--r-- | activemodel/lib/active_model/observer_array.rb | 30 |
1 files changed, 8 insertions, 22 deletions
diff --git a/activemodel/lib/active_model/observer_array.rb b/activemodel/lib/active_model/observer_array.rb index d501215dd6..ab7f86007f 100644 --- a/activemodel/lib/active_model/observer_array.rb +++ b/activemodel/lib/active_model/observer_array.rb @@ -4,34 +4,16 @@ module ActiveModel # Stores the enabled/disabled state of individual observers for # a particular model classes. class ObserverArray < Array - # returns false if: - # - the ObserverArray for the given model's class has the given observer - # in its disabled_observers set. - # - or that is the case at any level of the model's superclass chain. - def self.observer_enabled?(observer, model) - klass = model.class - observer_class = observer.class - - loop do - break unless klass.respond_to?(:observers) - array = klass.observers - return false if array.disabled_observers.include?(observer_class) - klass = klass.superclass - end - - true # observers are enabled by default - end - - def disabled_observers - @disabled_observers ||= Set.new - end - attr_reader :model_class def initialize(model_class, *args) @model_class = model_class super(*args) end + def disabled_for?(observer) + disabled_observers.include?(observer.class) + end + def disable(*observers, &block) set_enablement(false, observers, &block) end @@ -42,6 +24,10 @@ module ActiveModel protected + def disabled_observers + @disabled_observers ||= Set.new + end + def observer_class_for(observer) return observer if observer.is_a?(Class) |