element-call-Github/src/usePageFocusStyle.ts
David Baker df9c1fed2a Fix copyright headers
This is an Element project (in the vector-im repo) so the Copyright
should be for New Vector: it was incorrectly attributed to the
foundation for some files (and some files were missing headers).
2023-01-03 16:55:26 +00:00

40 lines
1.2 KiB
TypeScript

/*
Copyright 2022 New Vector Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import { useEffect } from "react";
import { useFocusVisible } from "@react-aria/interactions";
import styles from "./usePageFocusStyle.module.css";
export function usePageFocusStyle(): void {
const { isFocusVisible } = useFocusVisible();
useEffect(() => {
const classList = document.body.classList;
const hasClass = classList.contains(styles.hideFocus);
if (isFocusVisible && hasClass) {
classList.remove(styles.hideFocus);
} else if (!isFocusVisible && !hasClass) {
classList.add(styles.hideFocus);
}
return () => {
classList.remove(styles.hideFocus);
};
}, [isFocusVisible]);
}