mirror of
https://git.selfprivacy.org/kherel/selfprivacy.org.app.git
synced 2024-11-05 16:33:13 +00:00
88 lines
2.6 KiB
Dart
88 lines
2.6 KiB
Dart
import 'dart:io';
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import 'package:dynamic_color/dynamic_color.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:system_theme/system_theme.dart';
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import 'package:gtk_theme_fl/gtk_theme_fl.dart';
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abstract class AppThemeFactory {
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AppThemeFactory._();
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static Future<ThemeData> create({
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required final bool isDark,
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required final Color fallbackColor,
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}) =>
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_createAppTheme(
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isDark: isDark,
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fallbackColor: fallbackColor,
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);
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static Future<ThemeData> _createAppTheme({
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required final Color fallbackColor,
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final bool isDark = false,
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}) async {
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ColorScheme? gtkColorsScheme;
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final Brightness brightness = isDark ? Brightness.dark : Brightness.light;
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final ColorScheme? dynamicColorsScheme =
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await _getDynamicColors(brightness);
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if (Platform.isLinux) {
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final GtkThemeData themeData = await GtkThemeData.initialize();
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final bool isGtkDark =
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Color(themeData.theme_bg_color).computeLuminance() < 0.5;
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final bool isInverseNeeded = isGtkDark != isDark;
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gtkColorsScheme = ColorScheme.fromSeed(
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seedColor: Color(themeData.theme_selected_bg_color),
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brightness: brightness,
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background: isInverseNeeded ? null : Color(themeData.theme_bg_color),
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surface: isInverseNeeded ? null : Color(themeData.theme_base_color),
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);
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}
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final SystemAccentColor accentColor = SystemAccentColor(fallbackColor);
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try {
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await accentColor.load();
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} on MissingPluginException catch (e) {
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print('_createAppTheme: ${e.message}');
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}
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final ColorScheme fallbackColorScheme = ColorScheme.fromSeed(
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seedColor: accentColor.accent,
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brightness: brightness,
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);
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final ColorScheme colorScheme =
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dynamicColorsScheme ?? gtkColorsScheme ?? fallbackColorScheme;
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final Typography appTypography = Typography.material2021();
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final ThemeData materialThemeData = ThemeData(
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colorScheme: colorScheme,
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brightness: colorScheme.brightness,
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typography: appTypography,
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useMaterial3: true,
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scaffoldBackgroundColor: colorScheme.background,
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appBarTheme: AppBarTheme(
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elevation: 0,
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backgroundColor: colorScheme.primary,
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foregroundColor: colorScheme.onPrimary,
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),
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);
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return materialThemeData;
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}
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static Future<ColorScheme?> _getDynamicColors(final Brightness brightness) {
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try {
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return DynamicColorPlugin.getCorePalette().then(
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(final corePallet) => corePallet?.toColorScheme(brightness: brightness),
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);
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} on PlatformException {
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return Future.value(null);
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}
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}
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}
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