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