same way that observer widgets integrate with naming policy filters, automatic integration with activity policy filters also happens when an observer context displayed has a Qtilities::Core::ActivityPolicyFilter installed. Observers can provide two hints related to activity control: a hint indicating how activity must be displayed (see Qtilities::Core::ObserverHints::ActivityDisplay) and a hint indicating how activity changes should happen (see Qtilities::Core::ObserverHints::ActivityControl). 

Lets adapt 