91 lines
2.8 KiB
TypeScript
91 lines
2.8 KiB
TypeScript
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See LICENSE.txt for license information.
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import withObservables from '@nozbe/with-observables';
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import React, {ComponentType, createContext, useEffect} from 'react';
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import {Appearance} from 'react-native';
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import {Preferences} from '@constants';
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import {queryPreferencesByCategoryAndName} from '@queries/servers/preference';
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import {observeCurrentTeamId} from '@queries/servers/system';
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import {setThemeDefaults, updateThemeIfNeeded} from '@utils/theme';
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import type {PreferenceModel} from '@database/models/server';
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import type Database from '@nozbe/watermelondb/Database';
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type Props = {
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currentTeamId?: string;
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children: React.ReactNode;
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themes: PreferenceModel[];
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}
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type WithThemeProps = {
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theme: Theme;
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}
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export function getDefaultThemeByAppearance(): Theme {
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if (Appearance.getColorScheme() === 'dark') {
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return Preferences.THEMES.onyx;
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}
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return Preferences.THEMES.denim;
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}
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export const ThemeContext = createContext(getDefaultThemeByAppearance());
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const {Consumer, Provider} = ThemeContext;
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const ThemeProvider = ({currentTeamId, children, themes}: Props) => {
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const getTheme = (): Theme => {
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if (currentTeamId) {
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const teamTheme = themes.find((t) => t.name === currentTeamId) || themes[0];
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if (teamTheme?.value) {
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try {
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const theme = setThemeDefaults(JSON.parse(teamTheme.value));
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updateThemeIfNeeded(theme);
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return theme;
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} catch {
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// no theme change
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}
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}
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}
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const defaultTheme = getDefaultThemeByAppearance();
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updateThemeIfNeeded(defaultTheme);
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return defaultTheme;
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};
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useEffect(() => {
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const listener = Appearance.addChangeListener(getTheme);
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return () => listener.remove();
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}, []);
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return (<Provider value={getTheme()}>{children}</Provider>);
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};
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export function withTheme<T extends WithThemeProps>(Component: ComponentType<T>): ComponentType<T> {
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return function ThemeComponent(props) {
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return (
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<Consumer>
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{(theme: Theme) => (
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<Component
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{...props}
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theme={theme}
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/>
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)}
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</Consumer>
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);
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};
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}
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export function useTheme(): Theme {
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return React.useContext(ThemeContext);
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}
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const enhancedThemeProvider = withObservables([], ({database}: {database: Database}) => ({
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currentTeamId: observeCurrentTeamId(database),
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themes: queryPreferencesByCategoryAndName(database, Preferences.CATEGORY_THEME).observeWithColumns(['value']),
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}));
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export default enhancedThemeProvider(ThemeProvider);
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