263 lines
9.4 KiB
Dart
263 lines
9.4 KiB
Dart
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import 'package:aves/widgets/aves_app.dart';
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import 'package:aves_utils/aves_utils.dart';
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import 'package:flutter/material.dart';
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class Themes {
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static const _titleTextStyle = TextStyle(
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fontSize: 20,
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fontWeight: FontWeight.normal,
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fontFeatures: [FontFeature.enable('smcp')],
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);
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static String asButtonLabel(String s) => s.toUpperCase();
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static TextStyle searchFieldStyle(BuildContext context) => Theme.of(context).textTheme.bodyLarge!;
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static Color overlayBackgroundColor({
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required Brightness brightness,
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required bool blurred,
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}) {
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switch (brightness) {
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case Brightness.dark:
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return blurred ? Colors.black26 : Colors.black45;
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case Brightness.light:
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return blurred ? Colors.white54 : const Color(0xCCFFFFFF);
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}
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}
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static Color _schemeCardLayer(ColorScheme colors) => ElevationOverlay.applySurfaceTint(colors.surface, colors.surfaceTint, 1);
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static Color secondLayerColor(BuildContext context) => _schemeSecondLayer(Theme.of(context).colorScheme);
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// `DialogTheme` M3 defaults use `6.0` elevation
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static Color _schemeSecondLayer(ColorScheme colors) => ElevationOverlay.applySurfaceTint(colors.surface, colors.surfaceTint, 6);
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static Color thirdLayerColor(BuildContext context) => _schemeThirdLayer(Theme.of(context).colorScheme);
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static Color _schemeThirdLayer(ColorScheme colors) => ElevationOverlay.applySurfaceTint(colors.surface, colors.surfaceTint, 12);
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static Color _unselectedWidgetColor(ColorScheme colors) => colors.onSurface.withOpacity(0.6);
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static Color backgroundTextColor(BuildContext context) {
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final colors = Theme.of(context).colorScheme;
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return Color.alphaBlend(colors.surfaceTint, colors.onSurface).withOpacity(.5);
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}
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static final _typography = Typography.material2021(platform: TargetPlatform.android);
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static ThemeData _baseTheme(ColorScheme colors, bool deviceInitialized) {
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return ThemeData(
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// COLOR
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brightness: colors.brightness,
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canvasColor: _schemeSecondLayer(colors),
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cardColor: _schemeCardLayer(colors),
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colorScheme: colors,
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dividerColor: colors.outlineVariant,
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indicatorColor: colors.primary,
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scaffoldBackgroundColor: colors.background,
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// TYPOGRAPHY & ICONOGRAPHY
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typography: _typography,
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// COMPONENT THEMES
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checkboxTheme: _checkboxTheme(colors),
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floatingActionButtonTheme: _floatingActionButtonTheme(colors),
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navigationRailTheme: NavigationRailThemeData(
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backgroundColor: colors.background,
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selectedIconTheme: IconThemeData(color: colors.primary),
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unselectedIconTheme: IconThemeData(color: _unselectedWidgetColor(colors)),
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selectedLabelTextStyle: TextStyle(color: colors.primary),
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unselectedLabelTextStyle: TextStyle(color: _unselectedWidgetColor(colors)),
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),
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radioTheme: _radioTheme(colors),
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sliderTheme: _sliderTheme(colors),
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tooltipTheme: _tooltipTheme,
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);
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}
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static CheckboxThemeData _checkboxTheme(ColorScheme colors) => CheckboxThemeData(
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side: BorderSide(width: 2.0, color: _unselectedWidgetColor(colors)),
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);
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static const _listTileTheme = ListTileThemeData(
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contentPadding: EdgeInsets.symmetric(horizontal: 16),
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);
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static PopupMenuThemeData _popupMenuTheme(ColorScheme colors, TextTheme textTheme) {
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return PopupMenuThemeData(
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labelTextStyle: MaterialStateProperty.resolveWith((states) {
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// adapted from M3 defaults
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final TextStyle style = textTheme.labelLarge!;
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if (states.contains(MaterialState.disabled)) {
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return style.apply(color: colors.onSurface.withOpacity(0.38));
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}
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return style.apply(color: colors.onSurface);
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}),
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iconColor: colors.onSurface,
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);
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}
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static FloatingActionButtonThemeData _floatingActionButtonTheme(ColorScheme colors) {
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return FloatingActionButtonThemeData(
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foregroundColor: colors.onPrimary,
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backgroundColor: colors.primary,
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);
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}
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// adapted from M3 defaults
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static RadioThemeData _radioTheme(ColorScheme colors) => RadioThemeData(
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fillColor: MaterialStateProperty.resolveWith<Color>((states) {
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if (states.contains(MaterialState.selected)) {
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if (states.contains(MaterialState.disabled)) {
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return colors.onSurface.withOpacity(0.38);
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}
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return colors.primary;
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}
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if (states.contains(MaterialState.disabled)) {
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return colors.onSurface.withOpacity(0.38);
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}
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if (states.contains(MaterialState.pressed)) {
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return colors.onSurface;
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}
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if (states.contains(MaterialState.hovered)) {
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return colors.onSurface;
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}
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if (states.contains(MaterialState.focused)) {
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return colors.onSurface;
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}
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return _unselectedWidgetColor(colors);
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}),
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);
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static SliderThemeData _sliderTheme(ColorScheme colors) => SliderThemeData(
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inactiveTrackColor: colors.primary.withOpacity(0.24),
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);
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static SnackBarThemeData _snackBarTheme(ColorScheme colors) => SnackBarThemeData(
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actionTextColor: colors.primary,
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behavior: SnackBarBehavior.floating,
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);
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static const _tooltipTheme = TooltipThemeData(
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verticalOffset: 32,
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);
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// light
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static final _lightThemeTypo = _typography.black;
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static final _lightTitleColor = _lightThemeTypo.titleMedium!.color!;
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static final _lightLabelColor = _lightThemeTypo.labelMedium!.color!;
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static const _lightActionIconColor = Color(0xAA000000);
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static const _lightOnSurface = Colors.black;
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static ThemeData lightTheme(Color accentColor, bool deviceInitialized) {
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final onAccent = ColorUtils.textColorOn(accentColor);
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final colors = ColorScheme.fromSeed(
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seedColor: accentColor,
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brightness: Brightness.light,
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primary: accentColor,
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onPrimary: onAccent,
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secondary: accentColor,
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onSecondary: onAccent,
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onSurface: _lightOnSurface,
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);
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final textTheme = _lightThemeTypo;
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return _baseTheme(colors, deviceInitialized).copyWith(
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// TYPOGRAPHY & ICONOGRAPHY
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textTheme: textTheme,
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// COMPONENT THEMES
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appBarTheme: AppBarTheme(
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// `foregroundColor` is used by icons
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foregroundColor: _lightActionIconColor,
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// `titleTextStyle.color` is used by text
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titleTextStyle: _titleTextStyle.copyWith(color: _lightTitleColor),
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systemOverlayStyle: deviceInitialized ? AvesApp.systemUIStyleForBrightness(colors.brightness, colors.background) : null,
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),
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dialogTheme: DialogTheme(
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titleTextStyle: _titleTextStyle.copyWith(color: _lightTitleColor),
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),
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listTileTheme: _listTileTheme.copyWith(
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iconColor: _lightActionIconColor,
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),
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popupMenuTheme: _popupMenuTheme(colors, textTheme),
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snackBarTheme: _snackBarTheme(colors),
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textButtonTheme: TextButtonThemeData(
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style: TextButton.styleFrom(
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foregroundColor: _lightLabelColor,
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),
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),
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);
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}
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// dark
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static final _darkThemeTypo = _typography.white;
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static final _darkTitleColor = _darkThemeTypo.titleMedium!.color!;
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static final _darkBodyColor = _darkThemeTypo.bodyMedium!.color!;
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static final _darkLabelColor = _darkThemeTypo.labelMedium!.color!;
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static const _darkOnSurface = Colors.white;
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static ColorScheme _darkColorScheme(Color accentColor) {
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final onAccent = ColorUtils.textColorOn(accentColor);
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final colors = ColorScheme.fromSeed(
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seedColor: accentColor,
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brightness: Brightness.dark,
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primary: accentColor,
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onPrimary: onAccent,
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secondary: accentColor,
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onSecondary: onAccent,
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onSurface: _darkOnSurface,
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);
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return colors;
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}
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static ThemeData _baseDarkTheme(ColorScheme colors, bool deviceInitialized) {
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final textTheme = _darkThemeTypo;
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return _baseTheme(colors, deviceInitialized).copyWith(
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// TYPOGRAPHY & ICONOGRAPHY
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textTheme: textTheme,
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// COMPONENT THEMES
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appBarTheme: AppBarTheme(
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// `foregroundColor` is used by icons
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foregroundColor: _darkTitleColor,
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// `titleTextStyle.color` is used by text
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titleTextStyle: _titleTextStyle.copyWith(color: _darkTitleColor),
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systemOverlayStyle: deviceInitialized ? AvesApp.systemUIStyleForBrightness(colors.brightness, colors.background) : null,
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),
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dialogTheme: DialogTheme(
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titleTextStyle: _titleTextStyle.copyWith(color: _darkTitleColor),
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),
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listTileTheme: _listTileTheme,
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popupMenuTheme: _popupMenuTheme(colors, textTheme),
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snackBarTheme: _snackBarTheme(colors).copyWith(
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backgroundColor: _schemeSecondLayer(colors),
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contentTextStyle: TextStyle(
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color: _darkBodyColor,
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),
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),
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textButtonTheme: TextButtonThemeData(
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style: TextButton.styleFrom(
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foregroundColor: _darkLabelColor,
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),
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),
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);
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}
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static ThemeData darkTheme(Color accentColor, bool deviceInitialized) {
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final colors = _darkColorScheme(accentColor);
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return _baseDarkTheme(colors, deviceInitialized);
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}
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// black
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static ThemeData blackTheme(Color accentColor, bool deviceInitialized) {
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final colors = _darkColorScheme(accentColor).copyWith(
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background: Colors.black,
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);
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final baseTheme = _baseDarkTheme(colors, deviceInitialized);
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return baseTheme.copyWith(
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appBarTheme: baseTheme.appBarTheme.copyWith(
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backgroundColor: colors.background,
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),
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);
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}
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}
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