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joplin/packages/app-mobile/components/NoteBodyViewer/hooks/useOnMessage.ts
Laurent Cozic 47f95cb294
Chore: Implement cSpell to detect spelling mistakes in codebase (#10001)
Co-authored-by: Helmut K. C. Tessarek <tessarek@evermeet.cx>
Co-authored-by: Henry Heino <46334387+personalizedrefrigerator@users.noreply.github.com>
2024-02-26 10:16:23 +00:00

85 lines
2.9 KiB
TypeScript

import { useCallback } from 'react';
import shared from '@joplin/lib/components/shared/note-screen-shared';
export type HandleMessageCallback = (message: string)=> void;
export type OnMarkForDownloadCallback = (resource: { resourceId: string })=> void;
export type HandleScrollCallback = (scrollTop: number)=> void;
interface MessageCallbacks {
onMarkForDownload?: OnMarkForDownloadCallback;
onJoplinLinkClick: HandleMessageCallback;
onResourceLongPress: HandleMessageCallback;
onRequestEditResource?: HandleMessageCallback;
onCheckboxChange: HandleMessageCallback;
onMainContainerScroll: HandleScrollCallback;
}
export default function useOnMessage(
noteBody: string,
callbacks: MessageCallbacks,
) {
// Destructure callbacks. Because we have that ({ a: 1 }) !== ({ a: 1 }),
// we can expect the `callbacks` variable from the last time useOnMessage was called to
// not equal the current` callbacks` variable, even if the callbacks themselves are the
// same.
//
// Thus, useCallback should depend on each callback individually.
const {
onMarkForDownload, onResourceLongPress, onCheckboxChange, onRequestEditResource, onJoplinLinkClick,
onMainContainerScroll,
} = callbacks;
return useCallback((event: any) => {
// 2021-05-19: Historically this was unescaped twice as it was
// apparently needed after an upgrade to RN 58 (or 59). However this is
// no longer needed and in fact would break certain URLs so it can be
// removed. Keeping the comment here anyway in case we find some URLs
// that end up being broken after removing the double unescaping.
// https://github.com/laurent22/joplin/issues/4494
const msg = event.nativeEvent.data;
const isScrollMessage = msg.startsWith('onscroll:');
// Scroll messages are very frequent so we avoid logging them.
if (!isScrollMessage) {
// eslint-disable-next-line no-console
console.info('Got IPC message: ', msg);
}
if (isScrollMessage) {
const eventData = JSON.parse(msg.substring(msg.indexOf(':') + 1));
if (typeof eventData.scrollTop !== 'number') {
throw new Error(`Invalid scroll message, ${msg}`);
}
onMainContainerScroll?.(eventData.scrollTop);
} else if (msg.indexOf('checkboxclick:') === 0) {
const newBody = shared.toggleCheckbox(msg, noteBody);
onCheckboxChange?.(newBody);
} else if (msg.indexOf('markForDownload:') === 0) {
const splittedMsg = msg.split(':');
const resourceId = splittedMsg[1];
onMarkForDownload?.({ resourceId: resourceId });
} else if (msg.startsWith('longclick:')) {
onResourceLongPress(msg);
} else if (msg.startsWith('edit:')) {
onRequestEditResource?.(msg);
} else if (msg.startsWith('joplin:')) {
onJoplinLinkClick(msg);
} else if (msg.startsWith('error:')) {
console.error(`Webview injected script error: ${msg}`);
} else {
onJoplinLinkClick(msg);
}
}, [
noteBody,
onCheckboxChange,
onMarkForDownload,
onJoplinLinkClick,
onResourceLongPress,
onRequestEditResource,
onMainContainerScroll,
]);
}