neon: Implement Material 3 theme

packages/neon/integration_test/screenshot_test.dart

@@ -15,6 +15,7 @@ import 'package:neon/src/neon.dart';
 import 'package:package_info_plus/package_info_plus.dart';
 import 'package:provider/provider.dart';
 import 'package:rxdart/rxdart.dart';
+import 'package:settings/settings.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
 class MemorySharedPreferences implements SharedPreferences {
@@ -169,19 +170,22 @@ Future pumpAppPage(
       ],
       child: StreamBuilder<NextcloudTheme>(
         stream: userThemeStream,
-        builder: (final context, final themeSnapshot) => StreamBuilder<ThemeMode>(
-          stream: globalOptions.themeMode.stream,
-          builder: (final context, final themeModeSnapshot) => StreamBuilder<bool>(
-            stream: globalOptions.themeOLEDAsDark.stream,
-            builder: (final context, final themeOLEDAsDarkSnapshot) => MaterialApp(
+        builder: (final context, final themeSnapshot) => OptionBuilder(
+          option: globalOptions.themeMode,
+          builder: (final context, final themeMode) => OptionBuilder(
+            option: globalOptions.themeOLEDAsDark,
+            builder: (final context, final themeOLEDAsDark) => OptionBuilder(
+              option: globalOptions.themeKeepOriginalAccentColor,
+              builder: (final context, final themeKeepOriginalAccentColor) => MaterialApp(
                 debugShowCheckedModeBanner: false,
                 localizationsDelegates: AppLocalizations.localizationsDelegates,
                 supportedLocales: AppLocalizations.supportedLocales,
                 theme: getThemeFromNextcloudTheme(
                   themeSnapshot.data,
-                themeModeSnapshot.data ?? ThemeMode.system,
+                  themeMode ?? ThemeMode.system,
                   Brightness.light,
-                oledAsDark: themeOLEDAsDarkSnapshot.data ?? false,
+                  oledAsDark: themeOLEDAsDark ?? false,
+                  keepOriginalAccentColor: themeKeepOriginalAccentColor ?? true,
                 ),
                 home: builder(context, userThemeStream.add),
               ),
@@ -189,6 +193,7 @@ Future pumpAppPage(
           ),
         ),
       ),
+    ),
   );
   await tester.pumpAndSettle();
 }

packages/neon/lib/l10n/en.arb

@@ -80,6 +80,7 @@
   "globalOptionsThemeModeDark": "Dark",
   "globalOptionsThemeModeAutomatic": "Automatic",
   "globalOptionsThemeOLEDAsDark": "OLED theme as dark theme",
+  "globalOptionsThemeKeepOriginalAccentColor": "Keep the original accent color",
   "globalOptionsPushNotificationsNotice": "External services are used for delivering push notifications. While the content is encrypted and can only be read by this app, extracting metadata like the time and count of notifications is still possible.",
   "globalOptionsPushNotificationsEnabled": "Enabled",
   "globalOptionsPushNotificationsEnabledDisabledNotice": "No UnifiedPush distributor could be found. Please go to https://unifiedpush.org/users/distributors and setup any of the listed distributors. Then re-open this app and you should be able to enable notifications",

packages/neon/lib/l10n/localizations.dart

@@ -401,6 +401,12 @@ abstract class AppLocalizations {
   /// **'OLED theme as dark theme'**
   String get globalOptionsThemeOLEDAsDark;
 
+  /// No description provided for @globalOptionsThemeKeepOriginalAccentColor.
+  ///
+  /// In en, this message translates to:
+  /// **'Keep the original accent color'**
+  String get globalOptionsThemeKeepOriginalAccentColor;
+
   /// No description provided for @globalOptionsPushNotificationsNotice.
   ///
   /// In en, this message translates to:

packages/neon/lib/l10n/localizations_en.dart

@@ -171,6 +171,9 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get globalOptionsThemeOLEDAsDark => 'OLED theme as dark theme';
 
+  @override
+  String get globalOptionsThemeKeepOriginalAccentColor => 'Keep the original accent color';
+
   @override
   String get globalOptionsPushNotificationsNotice =>
       'External services are used for delivering push notifications. While the content is encrypted and can only be read by this app, extracting metadata like the time and count of notifications is still possible.';

packages/neon/lib/src/app.dart

@@ -92,14 +92,17 @@ class _NeonAppState extends State<NeonApp> with WidgetsBindingObserver {
   @override
   Widget build(final BuildContext context) => StreamBuilder<Brightness>(
         stream: _platformBrightness,
-        builder: (final context, final platformBrightnessSnapshot) => StreamBuilder<ThemeMode>(
-          stream: widget.globalOptions.themeMode.stream,
-          builder: (final context, final themeModeSnapshot) => StreamBuilder<bool>(
-            stream: widget.globalOptions.themeOLEDAsDark.stream,
-            builder: (final context, final themeOLEDAsDarkSnapshot) {
+        builder: (final context, final platformBrightnessSnapshot) => OptionBuilder(
+          option: widget.globalOptions.themeMode,
+          builder: (final context, final themeMode) => OptionBuilder(
+            option: widget.globalOptions.themeOLEDAsDark,
+            builder: (final context, final themeOLEDAsDark) => OptionBuilder(
+              option: widget.globalOptions.themeKeepOriginalAccentColor,
+              builder: (final context, final themeKeepOriginalAccentColor) {
                 if (!platformBrightnessSnapshot.hasData ||
-                  !themeOLEDAsDarkSnapshot.hasData ||
-                  !themeModeSnapshot.hasData) {
+                    themeMode == null ||
+                    themeOLEDAsDark == null ||
+                    themeKeepOriginalAccentColor == null) {
                   return Container();
                 }
                 return MaterialApp(
@@ -108,14 +111,16 @@ class _NeonAppState extends State<NeonApp> with WidgetsBindingObserver {
                   navigatorKey: _navigatorKey,
                   theme: getThemeFromNextcloudTheme(
                     _userTheme,
-                  themeModeSnapshot.data!,
+                    themeMode,
                     platformBrightnessSnapshot.data!,
-                  oledAsDark: themeOLEDAsDarkSnapshot.data!,
+                    oledAsDark: themeOLEDAsDark,
+                    keepOriginalAccentColor: themeKeepOriginalAccentColor,
                   ),
                   home: Container(),
                 );
               },
             ),
           ),
+        ),
       );
 }

packages/neon/lib/src/apps/notes/pages/note.dart

@@ -85,13 +85,7 @@ class _NotesNotePageState extends State<NotesNotePage> {
   }
 
   @override
-  Widget build(final BuildContext context) {
-    final titleInputBorder = UnderlineInputBorder(
-      borderSide: BorderSide(
-        color: Theme.of(context).colorScheme.onPrimary,
-      ),
-    );
-    return WillPopScope(
+  Widget build(final BuildContext context) => WillPopScope(
         onWillPop: () async {
           _update();
 
@@ -101,21 +95,20 @@ class _NotesNotePageState extends State<NotesNotePage> {
           return true;
         },
         child: Scaffold(
+          resizeToAvoidBottomInset: false,
           appBar: AppBar(
             titleSpacing: 0,
             title: TextField(
               controller: _titleController,
               focusNode: _titleFocusNode,
-            style: TextStyle(
+              style: const TextStyle(
                 fontSize: 22,
-              color: Theme.of(context).colorScheme.onPrimary,
               ),
-            cursorColor: Theme.of(context).colorScheme.onPrimary,
-            decoration: InputDecoration(
+              decoration: const InputDecoration(
                 isDense: true,
                 contentPadding: EdgeInsets.zero,
-              border: titleInputBorder,
-              focusedBorder: titleInputBorder,
+                border: UnderlineInputBorder(),
+                focusedBorder: UnderlineInputBorder(),
               ),
             ),
             actions: [
@@ -200,5 +193,4 @@ class _NotesNotePageState extends State<NotesNotePage> {
           ),
         ),
       );
-  }
 }

packages/neon/lib/src/apps/notifications/pages/main.dart

@@ -112,6 +112,7 @@ class _NotificationsMainPageState extends State<NotificationsMainPage> {
                 ElevatedButton(
                   style: ElevatedButton.styleFrom(
                     backgroundColor: Colors.red,
+                    foregroundColor: Theme.of(context).colorScheme.onPrimary,
                   ),
                   onPressed: () {
                     Navigator.of(context).pop();

packages/neon/lib/src/pages/home/home.dart

@@ -280,6 +280,7 @@ class _HomePageState extends State<HomePage> with tray.TrayListener, WindowListe
           ElevatedButton(
             style: ElevatedButton.styleFrom(
               backgroundColor: Colors.red,
+              foregroundColor: Theme.of(context).colorScheme.onPrimary,
             ),
             onPressed: () {
               Navigator.of(context).pop();
@@ -427,7 +428,7 @@ class _HomePageState extends State<HomePage> with tray.TrayListener, WindowListe
                                             }
                                             return DrawerHeader(
                                               decoration: BoxDecoration(
-                                                color: Theme.of(context).appBarTheme.backgroundColor,
+                                                color: Theme.of(context).colorScheme.primary,
                                               ),
                                               child: Column(
                                                 crossAxisAlignment: CrossAxisAlignment.start,
@@ -461,7 +462,7 @@ class _HomePageState extends State<HomePage> with tray.TrayListener, WindowListe
                                                       child: DropdownButton<String>(
                                                         isExpanded: true,
                                                         dropdownColor: Theme.of(context).colorScheme.primary,
-                                                        iconEnabledColor: Theme.of(context).appBarTheme.foregroundColor,
+                                                        iconEnabledColor: Theme.of(context).colorScheme.onBackground,
                                                         value: widget.account.id,
                                                         items: accounts
                                                             .map<DropdownMenuItem<String>>(
@@ -607,6 +608,7 @@ class _HomePageState extends State<HomePage> with tray.TrayListener, WindowListe
                       );
 
                       return Scaffold(
+                        resizeToAvoidBottomInset: false,
                         body: Row(
                           children: [
                             if (navigationMode == NavigationMode.drawerAlwaysVisible) ...[

packages/neon/lib/src/pages/settings/settings.dart

@@ -105,6 +105,9 @@ class _SettingsPageState extends State<SettingsPage> {
                       CheckBoxSettingsTile(
                         option: globalOptions.themeOLEDAsDark,
                       ),
+                      CheckBoxSettingsTile(
+                        option: globalOptions.themeKeepOriginalAccentColor,
+                      ),
                     ],
                   ),
                   SettingsCategory(

packages/neon/lib/src/utils/confirmation_dialog.dart

@@ -10,6 +10,7 @@ Future<bool> showConfirmationDialog(final BuildContext context, final String tit
           ElevatedButton(
             style: ElevatedButton.styleFrom(
               backgroundColor: Colors.red,
+              foregroundColor: Theme.of(context).colorScheme.onPrimary,
             ),
             onPressed: () {
               Navigator.of(context).pop(false);
@@ -19,6 +20,7 @@ Future<bool> showConfirmationDialog(final BuildContext context, final String tit
           ElevatedButton(
             style: ElevatedButton.styleFrom(
               backgroundColor: Colors.green,
+              foregroundColor: Theme.of(context).colorScheme.onPrimary,
             ),
             onPressed: () {
               Navigator.of(context).pop(true);

packages/neon/lib/src/utils/global_options.dart

@@ -60,6 +60,7 @@ class GlobalOptions {
   late final List<Option> options = [
     themeMode,
     themeOLEDAsDark,
+    themeKeepOriginalAccentColor,
     pushNotificationsEnabled,
     pushNotificationsDistributor,
     startupMinimized,
@@ -135,6 +136,13 @@ class GlobalOptions {
     enabled: _themeOLEDAsDarkEnabledSubject,
   );
 
+  late final themeKeepOriginalAccentColor = ToggleOption(
+    storage: _storage,
+    key: 'theme-keep-original-accent-color',
+    label: (final context) => AppLocalizations.of(context).globalOptionsThemeKeepOriginalAccentColor,
+    defaultValue: BehaviorSubject.seeded(false),
+  );
+
   late final pushNotificationsEnabled = ToggleOption(
     storage: _storage,
     key: 'push-notifications-enabled',

packages/neon/lib/src/utils/theme.dart

@@ -1,20 +1,15 @@
 part of '../neon.dart';
 
 const themePrimaryColor = Color(0xFFF37736);
-const themeOnPrimaryColor = Color(0xFFFFFFFF);
 
 ThemeData getThemeFromNextcloudTheme(
   final CoreServerCapabilities_Ocs_Data_Capabilities_Theming? nextcloudTheme,
   final ThemeMode themeMode,
   final Brightness platformBrightness, {
   required final bool oledAsDark,
+  required final bool keepOriginalAccentColor,
 }) {
-  var primaryColor = themePrimaryColor;
-  var onPrimaryColor = themeOnPrimaryColor;
-  if (nextcloudTheme != null) {
-    primaryColor = HexColor(nextcloudTheme.color);
-    onPrimaryColor = HexColor(nextcloudTheme.colorText);
-  }
+  final primaryColor = nextcloudTheme != null ? HexColor(nextcloudTheme.color) : themePrimaryColor;
 
   late final Brightness selectBrightness;
   switch (themeMode) {
@@ -29,62 +24,24 @@ ThemeData getThemeFromNextcloudTheme(
       break;
   }
 
-  final backgroundColor = selectBrightness == Brightness.dark
-      ? oledAsDark
-          ? Colors.black
-          : const Color(0xFF303030)
-      : Colors.white;
-
-  final onBackgroundColor = selectBrightness == Brightness.dark ? Colors.white : const Color(0xFF303030);
-
-  final canvasColor = selectBrightness == Brightness.dark
-      ? oledAsDark
-          ? const Color(0xFF202020)
-          : const Color(0xFF404040)
-      : const Color(0xFFEAEAEA);
-
-  final disabledColor = selectBrightness == Brightness.dark
-      ? oledAsDark
-          ? Colors.grey[700]
-          : Colors.grey[600]
-      : Colors.grey[500];
-
-  final colorScheme =
-      (selectBrightness == Brightness.dark ? const ColorScheme.dark() : const ColorScheme.light()).copyWith(
-    primary: primaryColor,
-    onPrimary: onPrimaryColor,
-    secondary: primaryColor,
-    onSecondary: onPrimaryColor,
-    background: backgroundColor,
-    onBackground: onBackgroundColor,
+  final oledBackgroundOverride = selectBrightness == Brightness.dark && oledAsDark ? Colors.black : null;
+  final colorScheme = ColorScheme.fromSeed(
+    seedColor: primaryColor,
+    brightness: selectBrightness,
+  ).copyWith(
+    background: oledBackgroundOverride,
+    surface: oledBackgroundOverride,
+    primary: keepOriginalAccentColor ? primaryColor : null,
   );
 
   return ThemeData(
     useMaterial3: true,
-    disabledColor: disabledColor,
-    brightness: selectBrightness,
-    scaffoldBackgroundColor: backgroundColor,
-    canvasColor: canvasColor,
-    cardColor: backgroundColor,
     colorScheme: colorScheme,
-    textSelectionTheme: TextSelectionThemeData(
-      cursorColor: primaryColor,
-      selectionColor: primaryColor,
-      selectionHandleColor: primaryColor,
-    ),
-    appBarTheme: AppBarTheme(
-      backgroundColor: primaryColor,
-      foregroundColor: selectBrightness == Brightness.dark ? Colors.white : Colors.black,
-    ),
-    snackBarTheme: SnackBarThemeData(
+    scaffoldBackgroundColor: colorScheme.background,
+    canvasColor: colorScheme.background, // For Drawer
+    cardColor: colorScheme.background, // For LicensePage
+    snackBarTheme: const SnackBarThemeData(
       behavior: SnackBarBehavior.floating,
-      actionTextColor: primaryColor,
-    ),
-    progressIndicatorTheme: ProgressIndicatorThemeData(
-      color: primaryColor,
-    ),
-    drawerTheme: DrawerThemeData(
-      backgroundColor: backgroundColor,
     ),
     checkboxTheme: CheckboxThemeData(
       fillColor: MaterialStateProperty.resolveWith((final states) {
@@ -92,43 +49,21 @@ ThemeData getThemeFromNextcloudTheme(
           return selectBrightness == Brightness.dark ? Colors.white38 : Colors.black38;
         }
 
-        return primaryColor;
+        return colorScheme.primary;
       }),
-      checkColor: MaterialStateProperty.resolveWith((final states) => onPrimaryColor),
+      checkColor: MaterialStateProperty.resolveWith((final states) => colorScheme.onPrimary),
     ),
-    dividerTheme: DividerThemeData(
-      color: primaryColor,
+    dividerTheme: const DividerThemeData(
       thickness: 1.5,
-      space: 40,
-      indent: 10,
-      endIndent: 10,
-    ),
-    scrollbarTheme: ScrollbarThemeData(
-      thumbColor: MaterialStateProperty.resolveWith(
-        (final states) => primaryColor
-            .withOpacity(states.contains(MaterialState.hovered) || states.contains(MaterialState.dragged) ? 1 : 0.5),
-      ),
-      mainAxisMargin: 10,
-      crossAxisMargin: 5,
-    ),
-    radioTheme: RadioThemeData(
-      fillColor: MaterialStateProperty.resolveWith(
-        (final states) => states.contains(MaterialState.disabled) ? disabledColor : primaryColor,
-      ),
-    ),
-    elevatedButtonTheme: ElevatedButtonThemeData(
-      style: ElevatedButton.styleFrom(
-        foregroundColor: onPrimaryColor,
-        backgroundColor: primaryColor,
-      ).copyWith(
-        elevation: ButtonStyleButton.allOrNull(0),
-      ),
+      space: 30,
     ),
     popupMenuTheme: PopupMenuThemeData(
-      color: canvasColor,
-    ),
-    floatingActionButtonTheme: FloatingActionButtonThemeData(
-      backgroundColor: primaryColor,
+      // TODO: Only needed until M3 popup menus are implemented
+      color: selectBrightness == Brightness.dark
+          ? oledAsDark
+              ? const Color(0xFF202020)
+              : const Color(0xFF404040)
+          : const Color(0xFFEAEAEA),
     ),
   );
 }