ngfchl
40 lines
1.1 KiB
Dart
40 lines
1.1 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/legacy.dart';
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import '../core/storage/storage_manager.dart';
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class ThemeState {
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final ThemeMode themeMode;
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const ThemeState({this.themeMode = ThemeMode.system});
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ThemeState copyWith({ThemeMode? themeMode}) =>
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ThemeState(themeMode: themeMode ?? this.themeMode);
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}
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class ThemeNotifier extends StateNotifier<ThemeState> {
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ThemeNotifier() : super(const ThemeState()) {
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_load();
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}
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void _load() {
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final saved = StorageManager.get<String>(StorageKeys.themeMode);
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if (saved == 'light') {
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state = const ThemeState(themeMode: ThemeMode.light);
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} else if (saved == 'dark') {
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state = const ThemeState(themeMode: ThemeMode.dark);
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} else {
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state = const ThemeState();
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}
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}
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Future<void> setThemeMode(ThemeMode mode) async {
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state = state.copyWith(themeMode: mode);
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final name =
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mode == ThemeMode.light ? 'light' : mode == ThemeMode.dark ? 'dark' : 'system';
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await StorageManager.set(StorageKeys.themeMode, name);
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}
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}
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final themeProvider = StateNotifierProvider<ThemeNotifier, ThemeState>(
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(ref) => ThemeNotifier(),
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);
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