mattermost-mobile/app/utils/theme.js

103 lines
2.6 KiB
JavaScript

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
import {StyleSheet} from 'react-native';
import tinyColor from 'tinycolor2';
import * as ThemeUtils from '@mm-redux/utils/theme_utils';
import {mergeNavigationOptions} from 'app/actions/navigation';
const MODAL_SCREENS_WITHOUT_BACK = [
'AddReaction',
'ChannelInfo',
'CreateChannel',
'EditPost',
'ErrorTeamsList',
'MoreChannels',
'MoreDirectMessages',
'Permalink',
'SelectTeam',
'Settings',
'TermsOfService',
'UserProfile',
];
export function makeStyleSheetFromTheme(getStyleFromTheme) {
return ThemeUtils.makeStyleFromTheme((theme) => {
return StyleSheet.create(getStyleFromTheme(theme));
});
}
export const changeOpacity = ThemeUtils.changeOpacity;
export const blendColors = ThemeUtils.blendColors;
export function concatStyles(...styles) {
return [].concat(styles);
}
export function setNavigatorStyles(componentId, theme) {
const options = {
topBar: {
title: {
color: theme.sidebarHeaderTextColor,
},
background: {
color: theme.sidebarHeaderBg,
},
leftButtonColor: theme.sidebarHeaderTextColor,
rightButtonColor: theme.sidebarHeaderTextColor,
},
layout: {
componentBackgroundColor: theme.centerChannelBg,
},
};
if (!MODAL_SCREENS_WITHOUT_BACK.includes(componentId)) {
options.topBar.backButton = {
color: theme.sidebarHeaderTextColor,
};
}
mergeNavigationOptions(componentId, options);
}
export function isThemeSwitchingEnabled(state) {
const {config} = state.entities.general;
return config.EnableThemeSelection === 'true';
}
export function getKeyboardAppearanceFromTheme(theme) {
return tinyColor(theme.centerChannelBg).isLight() ? 'light' : 'dark';
}
export function hexToHue(hexColor) {
let {red, green, blue} = ThemeUtils.getComponents(hexColor);
red /= 255;
green /= 255;
blue /= 255;
const channelMax = Math.max(red, green, blue);
const channelMin = Math.min(red, green, blue);
const delta = channelMax - channelMin;
let hue = 0;
if (delta === 0) {
hue = 0;
} else if (channelMax === red) {
hue = ((green - blue) / delta) % 6;
} else if (channelMax === green) {
hue = ((blue - red) / delta) + 2;
} else {
hue = ((red - green) / delta) + 4;
}
hue = Math.round(hue * 60);
if (hue < 0) {
hue += 360;
}
return hue;
}