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import { RefObject, useState } from 'react';
import screenfull from 'screenfull';
import useIsomorphicLayoutEffect from './useIsomorphicLayoutEffect';
import { noop, off, on } from './misc/util';
export interface FullScreenOptions {
video?: RefObject<
HTMLVideoElement & { webkitEnterFullscreen?: () => void; webkitExitFullscreen?: () => void }
>;
onClose?: (error?: Error) => void;
}
const useFullscreen = (
ref: RefObject<Element>,
enabled: boolean,
options: FullScreenOptions = {}
): boolean => {
const { video, onClose = noop } = options;
const [isFullscreen, setIsFullscreen] = useState(enabled);
useIsomorphicLayoutEffect(() => {
if (!enabled) {
return;
}
if (!ref.current) {
return;
}
const onWebkitEndFullscreen = () => {
if (video?.current) {
off(video.current, 'webkitendfullscreen', onWebkitEndFullscreen);
}
onClose();
};
const onChange = () => {
if (screenfull.isEnabled) {
const isScreenfullFullscreen = screenfull.isFullscreen;
setIsFullscreen(isScreenfullFullscreen);
if (!isScreenfullFullscreen) {
onClose();
}
}
};
if (screenfull.isEnabled) {
try {
screenfull.request(ref.current);
setIsFullscreen(true);
} catch (error) {
onClose(error);
setIsFullscreen(false);
}
screenfull.on('change', onChange);
} else if (video && video.current && video.current.webkitEnterFullscreen) {
video.current.webkitEnterFullscreen();
on(video.current, 'webkitendfullscreen', onWebkitEndFullscreen);
setIsFullscreen(true);
} else {
onClose();
setIsFullscreen(false);
}
return () => {
setIsFullscreen(false);
if (screenfull.isEnabled) {
try {
screenfull.off('change', onChange);
screenfull.exit();
} catch {}
} else if (video && video.current && video.current.webkitExitFullscreen) {
off(video.current, 'webkitendfullscreen', onWebkitEndFullscreen);
video.current.webkitExitFullscreen();
}
};
}, [enabled, video, ref]);
return isFullscreen;
};
export default useFullscreen;
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