37 lines
1021 B
Dart
37 lines
1021 B
Dart
/// abstraction for manipulation of stored app preferences
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abstract class PreferencesDataSource {
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/// should onboarding be shown
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Future<bool> getOnboardingFlag();
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/// should onboarding be shown
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Future<void> setOnboardingFlag(final bool newValue);
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// TODO: should probably deprecate the following, instead add the
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// getThemeMode and setThemeMode methods, which store one value instead of
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// flags.
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/// should system theme mode be enabled
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Future<bool?> getSystemThemeModeFlag();
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/// should system theme mode be enabled
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Future<void> setSystemThemeModeFlag(final bool newValue);
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/// should dark theme be enabled
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Future<bool?> getDarkThemeModeFlag();
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/// should dark theme be enabled
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Future<void> setDarkThemeModeFlag(final bool newValue);
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/// locale, as set by user
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///
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///
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/// when null, app takes system locale
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Future<String?> getLocale();
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/// locale, as set by user
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///
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///
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/// when null, app takes system locale
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Future<void> setLocale(final String newLocale);
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}
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