forked from baron/baron-sso
33 lines
940 B
Dart
33 lines
940 B
Dart
import 'package:flutter/material.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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class ThemeController extends ValueNotifier<ThemeMode> {
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ThemeController._() : super(ThemeMode.light);
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static const storageKey = 'userfront_theme';
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static final ThemeController instance = ThemeController._();
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bool get isDark => value == ThemeMode.dark;
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Future<void> restore() async {
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final prefs = await SharedPreferences.getInstance();
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final stored = prefs.getString(storageKey);
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value = stored == 'dark' ? ThemeMode.dark : ThemeMode.light;
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}
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Future<void> setThemeMode(ThemeMode mode) async {
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if (value != mode) {
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value = mode;
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}
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final prefs = await SharedPreferences.getInstance();
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await prefs.setString(
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storageKey,
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mode == ThemeMode.dark ? 'dark' : 'light',
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);
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}
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Future<void> toggle() {
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return setThemeMode(isDark ? ThemeMode.light : ThemeMode.dark);
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}
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}
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