ProEventEmitter<T extends Object> class

ProEventEmitters provide two ways for an object to listen to changes. Either by providing a callback, or by listening to an event stream.

Listening to the eventStream allows the use of StreamBuilder widgets in Flutter

Implementers

• ProApiClient
• ProClock
• ProConnectedComponent
• ProState

Constructors

ProEventEmitter()

Properties

callbacks ↔ Map<String, List<void Function(ProEvent<T> event)>>

getter/setter pair

eventStream ↔ StreamController<ProEvent<T>>

getter/setter pair

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

clear() → void

dispose() → void

emit(String event, [T? data]) → void

emit will always emit twice... first, by the name of the event submitted, and secondly, by the name of the special event 'all'

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

on(String event, void callback(ProEvent<T> event)) → ProEventObserver

set a callback for events of this type.

stream(String event) → Stream<ProEvent<Object>>

listen to an event on this ProEventEmitter as a stream. An ProEvent will be emitted whenever the event by this name is emitted.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited