m3_lightmeter/lib/providers/supported_locale_provider.dart

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import 'package:flutter/material.dart';
import 'package:lightmeter/data/models/supported_locale.dart';
import 'package:lightmeter/data/shared_prefs_service.dart';
import 'package:lightmeter/generated/l10n.dart';
import 'package:provider/provider.dart';
class SupportedLocaleProvider extends StatefulWidget {
final Widget child;
const SupportedLocaleProvider({required this.child, super.key});
static SupportedLocaleProviderState of(BuildContext context) {
return context.findAncestorStateOfType<SupportedLocaleProviderState>()!;
}
@override
State<SupportedLocaleProvider> createState() => SupportedLocaleProviderState();
}
class SupportedLocaleProviderState extends State<SupportedLocaleProvider> {
late final ValueNotifier<SupportedLocale> valueListenable;
@override
void initState() {
super.initState();
valueListenable = ValueNotifier(context.read<UserPreferencesService>().locale);
}
@override
void dispose() {
valueListenable.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return ValueListenableBuilder(
valueListenable: valueListenable,
builder: (_, value, child) => Provider.value(
value: value,
child: child,
),
child: widget.child,
);
}
void setLocale(SupportedLocale locale) {
S.load(Locale(locale.intlName)).then((value) {
valueListenable.value = locale;
context.read<UserPreferencesService>().locale = locale;
});
}
}