AnimationFrameAction.js 1.2 KB

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  1. import { AsyncAction } from './AsyncAction';
  2. import { animationFrameProvider } from './animationFrameProvider';
  3. export class AnimationFrameAction extends AsyncAction {
  4. constructor(scheduler, work) {
  5. super(scheduler, work);
  6. this.scheduler = scheduler;
  7. this.work = work;
  8. }
  9. requestAsyncId(scheduler, id, delay = 0) {
  10. if (delay !== null && delay > 0) {
  11. return super.requestAsyncId(scheduler, id, delay);
  12. }
  13. scheduler.actions.push(this);
  14. return scheduler._scheduled || (scheduler._scheduled = animationFrameProvider.requestAnimationFrame(() => scheduler.flush(undefined)));
  15. }
  16. recycleAsyncId(scheduler, id, delay = 0) {
  17. var _a;
  18. if (delay != null ? delay > 0 : this.delay > 0) {
  19. return super.recycleAsyncId(scheduler, id, delay);
  20. }
  21. const { actions } = scheduler;
  22. if (id != null && ((_a = actions[actions.length - 1]) === null || _a === void 0 ? void 0 : _a.id) !== id) {
  23. animationFrameProvider.cancelAnimationFrame(id);
  24. scheduler._scheduled = undefined;
  25. }
  26. return undefined;
  27. }
  28. }
  29. //# sourceMappingURL=AnimationFrameAction.js.map