83 lines
2.7 KiB
TypeScript
83 lines
2.7 KiB
TypeScript
import { Appearance } from 'react-native';
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import changeNavigationBarColor from 'react-native-navigation-bar-color';
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import setRootViewColor from 'rn-root-view';
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import { IThemePreference, TThemeMode } from '../../../definitions/ITheme';
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import { themes, THEME_PREFERENCES_KEY } from '../../constants';
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import UserPreferences from '../userPreferences';
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import { TSupportedThemes } from '../../../theme';
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import { isAndroid } from './deviceInfo';
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let themeListener: { remove: () => void } | null;
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export const initialTheme = (): IThemePreference => {
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const theme = UserPreferences.getMap(THEME_PREFERENCES_KEY) as IThemePreference;
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const initialTheme: IThemePreference = {
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currentTheme: defaultTheme(),
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darkLevel: 'black'
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};
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return theme || initialTheme;
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};
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export const defaultTheme = (): TThemeMode => {
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const systemTheme = Appearance.getColorScheme();
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if (systemTheme) {
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return systemTheme;
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}
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return 'light';
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};
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export const getTheme = (themePreferences: IThemePreference): TSupportedThemes => {
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const { darkLevel, currentTheme } = themePreferences;
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let theme = currentTheme;
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if (currentTheme === 'automatic') {
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theme = defaultTheme();
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}
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return theme === 'dark' ? darkLevel : 'light';
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};
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export const newThemeState = (prevState: { themePreferences: IThemePreference }, newTheme: IThemePreference) => {
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// new theme preferences
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const themePreferences = {
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...prevState.themePreferences,
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...newTheme
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};
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// set new state of themePreferences
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// and theme (based on themePreferences)
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return { themePreferences, theme: getTheme(themePreferences) };
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};
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export const setNativeTheme = async (themePreferences: IThemePreference): Promise<void> => {
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const theme = getTheme(themePreferences);
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if (isAndroid) {
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const iconsLight = theme === 'light';
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try {
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// The late param as default is true @ react-native-navigation-bar-color/src/index.js line 8
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await changeNavigationBarColor(themes[theme].navbarBackground, iconsLight, true);
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} catch (error) {
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// Do nothing
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}
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}
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setRootViewColor(themes[theme].backgroundColor);
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};
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export const unsubscribeTheme = () => {
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if (themeListener && themeListener.remove) {
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themeListener.remove();
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themeListener = null;
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}
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};
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export const subscribeTheme = (themePreferences: IThemePreference, setTheme: () => void): void => {
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const { currentTheme } = themePreferences;
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if (!themeListener && currentTheme === 'automatic') {
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// not use listener params because we use getTheme
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themeListener = Appearance.addChangeListener(() => setTheme());
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} else if (currentTheme !== 'automatic') {
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// unsubscribe appearance changes when automatic was disabled
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unsubscribeTheme();
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}
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// set native components theme
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setNativeTheme(themePreferences);
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};
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