joplin/packages/app-mobile/components/accessibility/FocusControl/MainAppContent.tsx

import * as React from 'react';
import AccessibleView from '../AccessibleView';
import { FocusControlContext } from './FocusControlProvider';
import { useContext } from 'react';
import { StyleProp, ViewStyle } from 'react-native';
import AutoFocusProvider from './AutoFocusProvider';

interface Props {
	children: React.ReactNode;
	style?: StyleProp<ViewStyle>;
}

// A region that should not be accessibility focusable while a dialog
// is open.
const MainAppContent: React.FC<Props> = props => {
	const { hasOpenModal, hasClosingModal } = useContext(FocusControlContext);
	const blockFocus = hasOpenModal;
	const allowAutoFocus = !hasClosingModal && !blockFocus;

	return <AccessibleView inert={blockFocus} style={props.style}>
		<AutoFocusProvider allowAutoFocus={allowAutoFocus}>
			{props.children}
		</AutoFocusProvider>
	</AccessibleView>;
};

export default MainAppContent;