mirror of
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109 lines
3.5 KiB
Dart
109 lines
3.5 KiB
Dart
// ignore_for_file: always_put_required_named_parameters_first
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import 'dart:convert';
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import 'package:flutter/material.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import '../entities/preferences.dart';
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import 'radix_generator.dart';
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////////////////////////////////////////////////////////////////////////
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class ThemeService {
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ThemeService._();
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static late SharedPreferences prefs;
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static ThemeService? _instance;
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static Future<ThemeService> get instance async {
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if (_instance == null) {
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prefs = await SharedPreferences.getInstance();
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_instance = ThemeService._();
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}
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return _instance!;
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}
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static bool get isPlatformDark =>
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WidgetsBinding.instance.platformDispatcher.platformBrightness ==
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Brightness.dark;
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ThemeData get initial {
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final themePreferences = load();
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return get(themePreferences);
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}
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ThemePreferences load() {
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final themePreferencesJson = prefs.getString('themePreferences');
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ThemePreferences? themePreferences;
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if (themePreferencesJson != null) {
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try {
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themePreferences =
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ThemePreferences.fromJson(jsonDecode(themePreferencesJson));
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// ignore: avoid_catches_without_on_clauses
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} catch (_) {
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// ignore
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}
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}
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return themePreferences ??
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const ThemePreferences(
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colorPreference: ColorPreference.vapor,
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brightnessPreference: BrightnessPreference.system,
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displayScale: 1,
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);
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}
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Future<void> save(ThemePreferences themePreferences) async {
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await prefs.setString(
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'themePreferences', jsonEncode(themePreferences.toJson()));
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}
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ThemeData get(ThemePreferences themePreferences) {
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late final Brightness brightness;
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switch (themePreferences.brightnessPreference) {
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case BrightnessPreference.system:
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if (isPlatformDark) {
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brightness = Brightness.dark;
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} else {
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brightness = Brightness.light;
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}
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case BrightnessPreference.light:
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brightness = Brightness.light;
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case BrightnessPreference.dark:
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brightness = Brightness.dark;
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}
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late final ThemeData themeData;
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switch (themePreferences.colorPreference) {
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// Special cases
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case ColorPreference.contrast:
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// xxx do contrastGenerator
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themeData = radixGenerator(brightness, RadixThemeColor.grim);
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// Generate from Radix
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case ColorPreference.scarlet:
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themeData = radixGenerator(brightness, RadixThemeColor.scarlet);
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case ColorPreference.babydoll:
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themeData = radixGenerator(brightness, RadixThemeColor.babydoll);
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case ColorPreference.vapor:
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themeData = radixGenerator(brightness, RadixThemeColor.vapor);
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case ColorPreference.gold:
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themeData = radixGenerator(brightness, RadixThemeColor.gold);
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case ColorPreference.garden:
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themeData = radixGenerator(brightness, RadixThemeColor.garden);
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case ColorPreference.forest:
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themeData = radixGenerator(brightness, RadixThemeColor.forest);
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case ColorPreference.arctic:
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themeData = radixGenerator(brightness, RadixThemeColor.arctic);
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case ColorPreference.lapis:
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themeData = radixGenerator(brightness, RadixThemeColor.lapis);
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case ColorPreference.eggplant:
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themeData = radixGenerator(brightness, RadixThemeColor.eggplant);
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case ColorPreference.lime:
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themeData = radixGenerator(brightness, RadixThemeColor.lime);
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case ColorPreference.grim:
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themeData = radixGenerator(brightness, RadixThemeColor.grim);
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}
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return themeData;
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}
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}
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