ServiceWorker class
Represents a service worker. Multiple browsing contexts (e.g. pages, workers, etc.) can be associated with the same ServiceWorker object.
- Implemented types
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- id → String?
-
no setter
- on → Events
-
This is an ease-of-use accessor for event streams which should only be
used when an explicit accessor is not available.
no setteroverride
-
onError
→ Stream<
ErrorEvent> -
An event handler fired whenever an error event occurs in the associated
service workers.
no setteroverride
-
onMessage
→ Stream<
MessageEvent> -
An event handler fired whenever a message event occurs — when incoming
messages are received to the ServiceWorkerContainer object (e.g. via a
MessagePort.postMessage() call.)
no setteroverride
-
onStateChange
→ Stream<
Event> -
An EventListener property called whenever an event of type statechange
is fired; it is basically fired anytime the ServiceWorker.state changes.
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- scriptURL → String?
-
Returns the ServiceWorker serialized script URL defined as part of
ServiceWorkerRegistration. The URL must be on the same origin as the
document that registers the ServiceWorker.
no setter
- state → String?
-
Returns the state of the service worker. It returns one of the following
values: installing, installed, activating, activated, or redundant.
no setter
Methods
-
addEventListener(
String type, EventListener? listener, [bool? useCapture]) → void -
override
-
dispatchEvent(
Event event) → bool -
override
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
postMessage(
dynamic message, [List? transfer]) → void -
override
-
removeEventListener(
String type, EventListener? listener, [bool? useCapture]) → void -
override
-
terminate(
) → void -
override
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited