Desktop: Improve notification accessibility (#11752)

packages/app-desktop/gui/PopupNotification/NotificationItem.tsx

@@ -0,0 +1,52 @@
+import * as React from 'react';
+import { NotificationType } from './types';
+import { _ } from '@joplin/lib/locale';
+
+interface Props {
+	children: React.ReactNode;
+	key: string;
+	type: NotificationType;
+	dismissing: boolean;
+	popup: boolean;
+}
+
+const NotificationItem: React.FC<Props> = props => {
+	const [iconClassName, iconLabel] = (() => {
+		if (props.type === NotificationType.Success) {
+			return ['fas fa-check', _('Success')];
+		}
+		if (props.type === NotificationType.Error) {
+			return ['fas fa-times', _('Error')];
+		}
+		if (props.type === NotificationType.Info) {
+			return ['fas fa-info', _('Info')];
+		}
+		return ['', ''];
+	})();
+
+	const containerModifier = (() => {
+		if (props.type === NotificationType.Success) return '-success';
+		if (props.type === NotificationType.Error) return '-error';
+		if (props.type === NotificationType.Info) return '-info';
+		return '';
+	})();
+
+	const icon = <i
+		role='img'
+		aria-label={iconLabel}
+		className={`icon ${iconClassName}`}
+	/>;
+
+	return <li
+		role={props.popup ? 'alert' : undefined}
+		className={`popup-notification-item ${containerModifier} ${props.dismissing ? '-dismissing' : ''}`}
+	>
+		{iconClassName ? icon : null}
+		<div className='ripple'/>
+		<div className='content'>
+			{props.children}
+		</div>
+	</li>;
+};
+
+export default NotificationItem;