File size: 1,832 Bytes
4e1096a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | import { useEffect } from 'react';
import { FoliateView } from '@/types/view';
type FoliateEventHandler = {
onLoad?: (event: Event) => void;
onRelocate?: (event: Event) => void;
onLinkClick?: (event: Event) => void;
onRendererRelocate?: (event: Event) => void;
onDrawAnnotation?: (event: Event) => void;
onShowAnnotation?: (event: Event) => void;
};
export const useFoliateEvents = (view: FoliateView | null, handlers?: FoliateEventHandler) => {
const onLoad = handlers?.onLoad;
const onRelocate = handlers?.onRelocate;
const onLinkClick = handlers?.onLinkClick;
const onRendererRelocate = handlers?.onRendererRelocate;
const onDrawAnnotation = handlers?.onDrawAnnotation;
const onShowAnnotation = handlers?.onShowAnnotation;
useEffect(() => {
if (!view) return;
if (onLoad) view.addEventListener('load', onLoad);
if (onRelocate) view.addEventListener('relocate', onRelocate);
if (onLinkClick) view.addEventListener('link', onLinkClick);
if (onRendererRelocate) view.renderer.addEventListener('relocate', onRendererRelocate);
if (onDrawAnnotation) view.addEventListener('draw-annotation', onDrawAnnotation);
if (onShowAnnotation) view.addEventListener('show-annotation', onShowAnnotation);
return () => {
if (onLoad) view.removeEventListener('load', onLoad);
if (onRelocate) view.removeEventListener('relocate', onRelocate);
if (onLinkClick) view.removeEventListener('link', onLinkClick);
if (onRendererRelocate) view.renderer.removeEventListener('relocate', onRendererRelocate);
if (onDrawAnnotation) view.removeEventListener('draw-annotation', onDrawAnnotation);
if (onShowAnnotation) view.removeEventListener('show-annotation', onShowAnnotation);
};
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [view]);
};
|