118 lines
3.2 KiB
Dart
118 lines
3.2 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:collection/collection.dart';
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import 'package:provider/provider.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:system_theme/system_theme.dart';
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import 'package:fluffychat/config/app_config.dart';
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import 'package:fluffychat/utils/platform_infos.dart';
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class ThemeBuilder extends StatefulWidget {
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final Widget Function(
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BuildContext context,
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ThemeMode themeMode,
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Color? primaryColor,
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) builder;
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final String themeModeSettingsKey;
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final String primaryColorSettingsKey;
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const ThemeBuilder({
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required this.builder,
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this.themeModeSettingsKey = 'theme_mode',
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this.primaryColorSettingsKey = 'primary_color',
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Key? key,
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}) : super(key: key);
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@override
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State<ThemeBuilder> createState() => ThemeController();
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}
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class ThemeController extends State<ThemeBuilder> {
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SharedPreferences? _sharedPreferences;
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ThemeMode? _themeMode;
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Color? _primaryColor;
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ThemeMode get themeMode => _themeMode ?? ThemeMode.system;
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Color? get primaryColor => _primaryColor;
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static ThemeController of(BuildContext context) =>
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Provider.of<ThemeController>(
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context,
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listen: false,
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);
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void _loadData(_) async {
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final preferences =
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_sharedPreferences ??= await SharedPreferences.getInstance();
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final rawThemeMode = preferences.getString(widget.themeModeSettingsKey);
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final rawColor = preferences.getInt(widget.primaryColorSettingsKey);
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setState(() {
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_themeMode = ThemeMode.values
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.singleWhereOrNull((value) => value.name == rawThemeMode);
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_primaryColor = rawColor == null ? null : Color(rawColor);
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});
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}
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Future<void> setThemeMode(ThemeMode newThemeMode) async {
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final preferences =
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_sharedPreferences ??= await SharedPreferences.getInstance();
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await preferences.setString(widget.themeModeSettingsKey, newThemeMode.name);
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setState(() {
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_themeMode = newThemeMode;
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});
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}
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Future<void> setPrimaryColor(Color? newPrimaryColor) async {
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final preferences =
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_sharedPreferences ??= await SharedPreferences.getInstance();
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if (newPrimaryColor == null) {
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await preferences.remove(widget.primaryColorSettingsKey);
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} else {
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await preferences.setInt(
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widget.primaryColorSettingsKey,
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newPrimaryColor.value,
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);
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}
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setState(() {
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_primaryColor = newPrimaryColor;
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});
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}
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@override
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void initState() {
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WidgetsBinding.instance.addPostFrameCallback(_loadData);
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super.initState();
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}
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Color get systemAccentColor {
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if (PlatformInfos.isLinux) return AppConfig.chatColor;
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try {
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// a bad plugin implementation
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// https://github.com/bdlukaa/system_theme/issues/10
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final accentColor = SystemTheme.accentColor;
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final color = accentColor.accent;
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if (color == kDefaultSystemAccentColor) return AppConfig.chatColor;
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return color;
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} catch (_) {
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return AppConfig.chatColor;
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}
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}
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@override
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Widget build(BuildContext context) {
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return Provider(
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create: (_) => this,
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child: widget.builder(
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context,
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themeMode,
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primaryColor ?? systemAccentColor,
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),
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);
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}
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}
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