RocketListenable class

RocketListenable class abstract

An abstract class that defines the behavior of a listenable object.

A listenable object allows other objects to register and unregister listeners, and can notify its listeners when a change occurs.

Constructors

getListenersKeys → List<String>: Returns a list of all keys that have registered listeners.
no setter
hashCode → int: The hash code for this object.
no setterinherited
hasListeners → bool: Returns true if this object has any listeners.
no setter
isMerged → bool: Returns true if this object is merged with other objects.
no setter
merges ↔ List<RocketListenable>: A list of RocketListenable objects that this object is merged with.
getter/setter pair
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited

callListener(String key) → void: Notifies the listeners registered with the specified key.
callListeners(List<String> keys) → void: Notifies the listeners registered with any of the specified keys.
dispose() → void: Disposes of this object and removes all listeners.
keyHasListeners(String key) → bool: Returns true if a listener is registered with the specified key.
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
registerListener(String key, VoidCallback listener) → void: Registers a new listener with the specified key.
registerListeners(Map<String, List<VoidCallback>> listeners) → void: Registers multiple listeners with the specified keys.
removeListener(String key, [VoidCallback? listener]) → void: Removes the specified listener (or all listeners if no listener is specified) with the specified key.
removeListeners(List<String> keys, [List<VoidCallback>? listeners]) → void: Removes the specified listeners (or all listeners if no listener is specified) with the specified keys.
toString() → String: A string representation of this object.
inherited