mirror of
https://github.com/vector-im/element-call.git
synced 2024-11-15 00:04:59 +08:00
a7624806b2
This upgrade came with a number of new lints that needed to be fixed across the code base. Primarily: explicit return types on functions, and explicit visibility modifiers on class members.
61 lines
1.9 KiB
TypeScript
61 lines
1.9 KiB
TypeScript
/*
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Copyright 2023 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import { logger } from "matrix-js-sdk/src/logger";
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import { useEffect } from "react";
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/**
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* React hook that inhibits the device from automatically going to sleep.
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*/
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export function useWakeLock(): void {
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useEffect(() => {
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if ("wakeLock" in navigator) {
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let mounted = true;
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let lock: WakeLockSentinel | null = null;
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// The lock is automatically released whenever the window goes invisible,
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// so we need to reacquire it on visiblity changes
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const onVisiblityChange = async (): Promise<void> => {
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if (document.visibilityState === "visible") {
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try {
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lock = await navigator.wakeLock.request("screen");
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// Handle the edge case where this component unmounts before the
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// promise resolves
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if (!mounted)
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lock
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.release()
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.catch((e) => logger.warn("Can't release wake lock", e));
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} catch (e) {
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logger.warn("Can't acquire wake lock", e);
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}
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}
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};
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onVisiblityChange();
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document.addEventListener("visiblitychange", onVisiblityChange);
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return () => {
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mounted = false;
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if (lock !== null)
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lock
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.release()
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.catch((e) => logger.warn("Can't release wake lock", e));
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document.removeEventListener("visiblitychange", onVisiblityChange);
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};
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}
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}, []);
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}
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