qortal-mobile/src/useAppFullscreen.tsx

import { useCallback, useEffect } from 'react';
import { isMobile } from './App';

export const useAppFullScreen = (setFullScreen) => {
    const enterFullScreen = useCallback(() => {
        const element = document.documentElement; // Target the entire HTML document
        if (element.requestFullscreen) {
            element.requestFullscreen();
        } else if (element.mozRequestFullScreen) { // Firefox
            element.mozRequestFullScreen();
        } else if (element.webkitRequestFullscreen) { // Chrome, Safari and Opera
            element.webkitRequestFullscreen();
        } else if (element.msRequestFullscreen) { // IE/Edge
            element.msRequestFullscreen();
        }
    }, []);

    const exitFullScreen = useCallback(() => {
        if (document.fullscreenElement) {
            document.exitFullscreen();
        } else if (document.mozFullScreenElement) {
            document.mozCancelFullScreen();
        } else if (document.webkitFullscreenElement) {
            document.webkitExitFullscreen();
        } else if (document.msFullscreenElement) {
            document.msExitFullscreen();
        }
    }, []);

    const toggleFullScreen = useCallback(() => {
        if(!isMobile) return
        if (document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement || document.msFullscreenElement) {
            exitFullScreen();
            setFullScreen(false)
        } else {
            enterFullScreen();
            setFullScreen(true)
        }
    }, [enterFullScreen, exitFullScreen]);

     // Listen for changes to fullscreen state
     useEffect(() => {
        const handleFullScreenChange = () => {
            if (document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement || document.msFullscreenElement) {
              
            } else {
                setFullScreen(false);
            }
        };

        document.addEventListener('fullscreenchange', handleFullScreenChange);
        document.addEventListener('webkitfullscreenchange', handleFullScreenChange); // Safari
        document.addEventListener('mozfullscreenchange', handleFullScreenChange); // Firefox
        document.addEventListener('MSFullscreenChange', handleFullScreenChange); // IE/Edge

        return () => {
            document.removeEventListener('fullscreenchange', handleFullScreenChange);
            document.removeEventListener('webkitfullscreenchange', handleFullScreenChange);
            document.removeEventListener('mozfullscreenchange', handleFullScreenChange);
            document.removeEventListener('MSFullscreenChange', handleFullScreenChange);
        };
    }, []);

    return { enterFullScreen, exitFullScreen, toggleFullScreen };
};