EventSignal<T> class

A signal that can be dispatched to multiple listeners, with data of type T.

Constructors

EventSignal()

Properties

hashCode → int
The hash code for this object.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

add(EventSignalCallback<T> callback) → void
Adds callback to the list of listeners. If it already exists in the list, it will not be added again.
addOnce(EventSignalCallback<T> callback) → void
Adds callback to the list of listeners, but only once. It will be removed from the list after being dispatched once.
call(T data) → void
Convenience method that calls dispatch with data as argument. Making the EventSignal instance callable. Example:
dispatch(T data) → void
Dispatches the signal to all registered listeners, passing data to each listener.
has(EventSignalCallback<T> callback) → bool
Returns true if callback is currently in the list of listeners.
hasListeners() → bool
Returns true if the signal has any registered listeners.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
remove(EventSignalCallback<T> callback) → void
Removes callback from the list of listeners.
removeAll() → void
Removes all listeners from the signal.
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited