keychain/ckks/CKKSListenerCollection.h

   1
   2 #import <Foundation/Foundation.h>
   3
   4 NS_ASSUME_NONNULL_BEGIN
   5
   6 /*
   7  * This class holds a set of weak pointers to 'listener' objects, and offers the chance to dispatch updates
   8  * to them on each listener's own serial dispatch queue
   9  */
  10
  11 @interface CKKSListenerCollection<__covariant ListenerType> : NSObject
  12 - (instancetype)init NS_UNAVAILABLE;
  13 - (instancetype)initWithName:(NSString*)name;
  14
  15 - (void)registerListener:(ListenerType)listener;
  16 - (void)iterateListeners:(void (^)(ListenerType))block;
  17 @end
  18
  19 NS_ASSUME_NONNULL_END