compute-pressure.idl

// GENERATED CONTENT - DO NOT EDIT
// Content was automatically extracted by Reffy into webref
// (https://github.com/w3c/webref)
// Source: Compute Pressure Level 1 (https://w3c.github.io/compute-pressure/)

enum PressureSource { "cpu" };

enum PressureState { "nominal", "fair", "serious", "critical" };

callback PressureUpdateCallback = undefined (
  sequence<PressureRecord> changes,
  PressureObserver observer
);

[Exposed=(DedicatedWorker,SharedWorker,Window), SecureContext]
interface PressureObserver {
  constructor(PressureUpdateCallback callback);

  Promise<undefined> observe(PressureSource source, optional PressureObserverOptions options = {});
  undefined unobserve(PressureSource source);
  undefined disconnect();
  sequence<PressureRecord> takeRecords();

  [SameObject] static readonly attribute FrozenArray<PressureSource> knownSources;
};

[Exposed=(DedicatedWorker,SharedWorker,Window), SecureContext]
interface PressureRecord {
  readonly attribute PressureSource source;
  readonly attribute PressureState state;
  readonly attribute DOMHighResTimeStamp time;
  [Default] object toJSON();
};

dictionary PressureObserverOptions {
  [EnforceRange] unsigned long sampleInterval = 0;
};