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Organize theme service

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Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>
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Hans Kokx
2025-05-14 11:12:02 +02:00
parent 55ff65ba32
commit 077956b8ba
1 changed files with 45 additions and 45 deletions
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lib/src/services/reactive_theme/reactive_theme_service.dart
+45 -45
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@@ -14,22 +14,25 @@ part "reactive_theme_extensions.dart";
/// System theme changes are detected by the `ArcaneApp` widget, which ensures
/// theme updates happen automatically when the device theme changes.
class ArcaneReactiveTheme extends ArcaneService {
/// The singleton instance of `ArcaneReactiveTheme`.
ArcaneReactiveTheme._internal();
static final ArcaneReactiveTheme _instance = ArcaneReactiveTheme._internal();
/// Provides access to the singleton instance of `ArcaneReactiveTheme`.
static ArcaneReactiveTheme get I => _instance;
ArcaneReactiveTheme._internal();
// Whether to follow system theme
bool _followingSystemTheme = false;
// ************************************************************************ //
// * MARK: System theme
// ************************************************************************ //
/// Whether the theme service is currently following the system theme.
///
/// When `true`, the theme will automatically switch between light and dark
/// based on the system's brightness setting.
bool get isFollowingSystemTheme => _followingSystemTheme;
bool _followingSystemTheme = false;
/// Returns the `ThemeData` corresponding to the current system theme
ThemeMode get systemThemeMode => _currentSystemThemeMode;
/// Tracks the current system theme mode
ThemeMode _currentSystemThemeMode = ThemeMode.system;
final StreamController<ThemeMode> _systemStreamController =
StreamController<ThemeMode>.broadcast(
@@ -38,6 +41,20 @@ class ArcaneReactiveTheme extends ArcaneService {
},
);
// ************************************************************************ //
// * MARK: ThemeMode
// ************************************************************************ //
/// Returns the current `ThemeMode` being used by `ArcaneReactiveTheme`.
/// Will automatically update when the theme changes.
ThemeMode currentModeOf(BuildContext context) => context.themeMode;
/// The currently active theme mode (light or dark).
ThemeMode get currentThemeMode => _currentThemeMode;
ThemeMode _currentThemeMode = ThemeMode.light;
/// Stream of `ThemeMode` changes that can be listened to for reactive UI updates.
Stream<ThemeMode> get themeModeChanges => I._themeModeStreamController.stream;
final StreamController<ThemeMode> _themeModeStreamController =
StreamController<ThemeMode>.broadcast(
onCancel: () {
@@ -45,6 +62,16 @@ class ArcaneReactiveTheme extends ArcaneService {
},
);
// ************************************************************************ //
// * MARK: ThemeData
// ************************************************************************ //
/// The currently active theme style.
ThemeData get currentTheme => _currentTheme;
ThemeData _currentTheme = ThemeData();
/// Stream of `ThemeData` changes that can be listened to for reactive UI updates.
Stream<ThemeData> get themeDataChanges => I._themeStreamController.stream;
final StreamController<ThemeData> _themeStreamController =
StreamController<ThemeData>.broadcast(
onCancel: () {
@@ -52,50 +79,26 @@ class ArcaneReactiveTheme extends ArcaneService {
},
);
/// Stream of `ThemeMode` changes that can be listened to for reactive UI updates.
Stream<ThemeMode> get themeModeChanges => I._themeModeStreamController.stream;
/// Stream of `ThemeData` changes that can be listened to for reactive UI updates.
Stream<ThemeData> get themeDataChanges => I._themeStreamController.stream;
/// Returns the `ThemeData` corresponding to the current system theme
ThemeMode get systemThemeMode => _currentSystemThemeMode;
/// Tracks the current system theme mode
ThemeMode _currentSystemThemeMode = ThemeMode.system;
ThemeMode _currentThemeMode = ThemeMode.light;
/// The currently active theme mode (light or dark).
ThemeMode get currentThemeMode => _currentThemeMode;
ThemeData _currentTheme = ThemeData();
/// The currently active theme style.
ThemeData get currentTheme => _currentTheme;
/// The `ThemeData` for the dark theme.
final ValueNotifier<ThemeData> _darkTheme = ValueNotifier(ThemeData.dark());
/// The `ThemeData` for the light theme.
final ValueNotifier<ThemeData> _lightTheme = ValueNotifier(ThemeData.light());
// ************************************************************************ //
// * MARK: Light/Dark theme
// ************************************************************************ //
/// Returns the current dark theme `ThemeData`.
ThemeData get dark => _darkTheme.value;
/// ValueNotifier for the dark theme that can be observed for changes.
ValueNotifier<ThemeData> get darkTheme => I._darkTheme;
final ValueNotifier<ThemeData> _darkTheme = ValueNotifier(ThemeData.dark());
/// Returns the current light theme `ThemeData`.
ThemeData get light => _lightTheme.value;
/// ValueNotifier for the light theme that can be observed for changes.
ValueNotifier<ThemeData> get lightTheme => I._lightTheme;
final ValueNotifier<ThemeData> _lightTheme = ValueNotifier(ThemeData.light());
/// Returns the current `ThemeMode` being used by `ArcaneReactiveTheme`.
/// Will automatically update when the theme changes.
ThemeMode currentModeOf(BuildContext context) => context.themeMode;
// ************************************************************************ //
// * MARK: Methods
// ************************************************************************ //
/// Switches the current theme between light and dark modes.
///
/// If the theme is currently light, it switches to dark, and vice versa. It
@@ -120,7 +123,6 @@ class ArcaneReactiveTheme extends ArcaneService {
);
}
notifyListeners();
return I;
}
@@ -147,7 +149,6 @@ class ArcaneReactiveTheme extends ArcaneService {
final ThemeData theme = systemThemeMode == ThemeMode.dark ? dark : light;
_themeStreamController.add(theme);
_currentTheme = theme;
notifyListeners();
return I;
}
@@ -165,7 +166,7 @@ class ArcaneReactiveTheme extends ArcaneService {
_darkTheme.value = theme;
_themeStreamController.add(theme);
_currentTheme = theme;
notifyListeners();
return I;
}
@@ -182,7 +183,7 @@ class ArcaneReactiveTheme extends ArcaneService {
_lightTheme.value = theme;
_themeStreamController.add(theme);
_currentTheme = theme;
notifyListeners();
return I;
}
@@ -198,7 +199,6 @@ class ArcaneReactiveTheme extends ArcaneService {
_updateTheme(ThemeMode.light);
_themeStreamController.add(_lightTheme.value);
_currentTheme = _lightTheme.value;
notifyListeners();
}
/// Updates the current theme mode and broadcasts the change.