feat(themes): Add style tokens and web theme

package-lock.json

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package.json

     "@atlaskit/toggle": "12.0.3",
     "@atlaskit/tooltip": "17.1.2",
     "@jitsi/js-utils": "1.0.6",
+    "@material-ui/core": "4.11.3",
     "@microsoft/microsoft-graph-client": "1.1.0",
     "@react-native-async-storage/async-storage": "1.13.2",
     "@react-native-community/google-signin": "3.0.1",
   "license": "Apache-2.0",
   "scripts": {
     "lint": "eslint . && flow",
+    "lint-fix": "eslint --fix .",
     "postinstall": "jetify",
     "validate": "npm ls",
     "start": "make dev",

react/features/app/components/App.web.js

 import React from 'react';
 
 import { DialogContainer } from '../../base/dialog';
+import JitsiThemeProvider from '../../base/ui/components/JitsiThemeProvider';
 import { ChromeExtensionBanner } from '../../chrome-extension-banner';
 
 import { AbstractApp } from './AbstractApp';
      */
     _createMainElement(component, props) {
         return (
-            <AtlasKitThemeProvider mode = 'dark'>
-                <ChromeExtensionBanner />
-                { super._createMainElement(component, props) }
-            </AtlasKitThemeProvider>
+            <JitsiThemeProvider>
+                <AtlasKitThemeProvider mode = 'dark'>
+                    <ChromeExtensionBanner />
+                    { super._createMainElement(component, props) }
+                </AtlasKitThemeProvider>
+            </JitsiThemeProvider>
         );
     }
 

react/features/base/ui/Tokens.js

+// @flow
+
+// Default color pallete
+export const colors = {
+    error03: '#7A141F',
+    error04: '#A21B29',
+    error05: '#CB2233',
+    error06: '#E04757',
+    error08: '#EAA7AD',
+
+    primary01: '#00112D',
+    primary02: '#00225A',
+    primary03: '#003486',
+    primary04: '#0045B3',
+    primary05: '#0056E0',
+    primary06: '#246FE5',
+    primary07: '#669AEC',
+    primary08: '#99BBF3',
+    primary09: '#CCDDF9',
+
+    surface01: '#040404',
+    surface02: '#141414',
+    surface03: '#292929',
+    surface04: '#3D3D3D',
+    surface05: '#525252',
+    surface06: '#666',
+    surface07: '#858585',
+    surface08: '#A3A3A3',
+    surface09: '#C2C2C2',
+    surface10: '#E0E0E0',
+    surface11: '#FFF',
+
+    success04: '#189B55',
+    success05: '#1EC26A',
+
+    warning05: '#F8AE1A'
+};
+
+// Mapping between the token used and the color
+export const colorMap = {
+    // Default page background
+    uiBackground: 'surface01',
+
+    // Container background
+    ui01: 'surface02',
+    ui02: 'surface03',
+    ui03: 'surface04',
+    ui04: 'surface05',
+    ui05: 'surface06',
+
+    // Primary buttons
+    action01: 'primary05',
+
+    // Hover state for primary buttons
+    action01Hover: 'primary06',
+
+    // Active state for primary buttons
+    action01Active: 'primary04',
+
+    // Focus border color
+    action01Focus: 'primary08',
+
+    // Disabled state for primary buttons
+    action01Disabled: 'primary02',
+
+    // Secondary buttons
+    action02: 'surface04',
+
+    // Hover state for secondary buttons
+    action02Hover: 'surface05',
+
+    // Active state for secondary buttons
+    action02Active: 'surface03',
+
+    // Focus border color
+    action02Focus: 'surface07',
+
+    // Disabled state for secondary buttons
+    action02Disabled: 'surface02',
+
+    // Tertiary buttons
+    action03: 'transparent',
+
+    // Hover state for tertiary buttons
+    action03Hover: 'surface05',
+
+    // Active state for tertiary buttons
+    action03Active: 'surface03',
+
+    // Focus border color
+    action03Focus: 'surface07',
+
+    // Disabled state for tertiary buttons
+    action03Disabled: 'transparent',
+
+    // Danger button background
+    actionDanger: 'error05',
+
+    // Hover state for danger buttons
+    actionDangerHover: 'error06',
+
+    // Active state for danger buttons
+    actionDangerActive: 'error04',
+
+    // Focus border color
+    actionDangerFocus: 'error08',
+
+    // Disabled state for danger buttons
+    actionDangerDisabled: 'error03',
+
+    // Primary text – default color for body copy & headers
+    text01: 'surface11',
+
+    // Secondary text with medium contrast
+    text02: 'surface09',
+
+    // Tertiary text with low contrast – placeholders, disabled actions, label for disabled buttons
+    text03: 'surface07',
+
+    // error messages
+    textError: 'error06',
+
+    // Primary color for icons
+    icon01: 'surface11',
+
+    // Secondary color for input fields
+    icon02: 'surface09',
+
+    // Tertiary color for disabled actions
+    icon03: 'surface07',
+
+    // Error message
+    iconError: 'error06',
+
+    // Forms
+    // Default background for input fields
+    field01: 'surface01',
+
+    // Hover background for input fields
+    field01Hover: 'surface03',
+
+    // Focus border color
+    field01Focus: 'primary05',
+
+    // Disabled background for input fields
+    field01Disabled: 'surface05',
+
+    // Background for high-contrast input fields
+    field02: 'surface11',
+
+    // Background for high-contrast input fields on hover
+    field02Hover: 'primary09',
+
+    // Focus border color
+    field02Focus: 'primary05',
+
+    // Disabled background for high-contrast input fields
+    field02Disabled: 'surface06',
+
+    // Borders
+    // Border for the input fields in hover state
+    border01: 'surface08',
+
+    // Border for the input fields
+    border02: 'surface06',
+
+    // Line separators
+    border03: 'surface04',
+
+    // Color for error border & message
+    borderError: 'error06',
+
+    // Links
+    // Default color for links
+    link01: 'primary07',
+
+    // Color for links in the hover state
+    link01Hover: 'primary08',
+
+    // Color for links in the active state
+    link01Active: 'primary06',
+
+    // Support
+    // Color for positive messages applied to icons & borders
+    success01: 'success05',
+
+    // Color for positive messages applied tobackgrounds
+    success02: 'success05',
+
+    // Color for warning messages applied to icons, borders & backgrounds
+    warning01: 'warning05'
+};
+
+
+export const font = {
+    weightRegular: 400,
+    weightSemiBold: 600
+};
+
+export const shape = {
+    borderRadius: 6
+};
+
+export const spacing = [ 0, 4, 8, 16, 24, 32, 40, 48, 56 ];
+
+export const typography = {
+    labelRegular: {
+        fontSize: 12,
+        lineHeight: 16,
+        fontWeight: font.weightRegular,
+        letterSpacing: 0.16
+    },
+
+    labelBold: {
+        fontSize: 12,
+        lineHeight: 16,
+        fontWeight: font.weightSemiBold,
+        letterSpacing: 0.16
+    },
+
+    labelButton: {
+        fontSize: 14,
+        lineHeight: 24,
+        fontWeight: font.weightSemiBold,
+        letterSpacing: 0
+    },
+
+    labelButtonLarge: {
+        fontSize: 16,
+        lineHeight: 24,
+        fontWeight: font.weightSemiBold,
+        letterSpacing: 0
+    },
+
+    bodyShortRegular: {
+        fontSize: 14,
+        lineHeight: 18,
+        fontWeight: font.weightRegular,
+        letterSpacing: 0
+    },
+
+    bodyShortBold: {
+        fontSize: 14,
+        lineHeight: 18,
+        fontWeight: font.weightSemiBold,
+        letterSpacing: 0
+    },
+
+    bodyShortRegularLarge: {
+        fontSize: 16,
+        lineHeight: 24,
+        fontWeight: font.weightRegular,
+        letterSpacing: 0
+    },
+
+    bodyShortBoldLarge: {
+        fontSize: 16,
+        lineHeight: 24,
+        fontWeight: font.weightSemiBold,
+        letterSpacing: 0
+    },
+
+    bodyLongRegular: {
+        fontSize: 14,
+        lineHeight: 24,
+        fontWeight: font.weightRegular,
+        letterSpacing: 0
+    },
+
+    bodyLongBold: {
+        fontSize: 14,
+        lineHeight: 24,
+        fontWeight: font.weightSemiBold,
+        letterSpacing: 0
+    },
+
+    heading1: {
+        fontSize: 54,
+        lineHeight: 64,
+        fontWeight: font.weightSemiBold,
+        letterSpacing: 0
+    },
+
+    heading2: {
+        fontSize: 42,
+        lineHeight: 50,
+        fontWeight: font.weightSemiBold,
+        letterSpacing: 0
+    },
+
+    heading3: {
+        fontSize: 32,
+        lineHeight: 40,
+        fontWeight: font.weightSemiBold,
+        letterSpacing: 0
+    },
+
+    heading4: {
+        fontSize: 28,
+        lineHeight: 36,
+        fontWeight: font.weightSemiBold,
+        letterSpacing: 0
+    },
+
+    heading5: {
+        fontSize: 20,
+        lineHeight: 28,
+        fontWeight: font.weightSemiBold,
+        letterSpacing: 0
+    },
+
+    heading6: {
+        fontSize: 16,
+        lineHeight: 26,
+        fontWeight: font.weightSemiBold,
+        letterSpacing: 0
+    },
+
+    heading7: {
+        fontSize: 14,
+        lineHeight: 24,
+        fontWeight: font.weightSemiBold,
+        letterSpacing: 0
+    }
+};

react/features/base/ui/components/BaseTheme.web.js

+// @flow
+
+import { font, colors, colorMap, spacing, shape, typography } from '../Tokens';
+import { createWebTheme } from '../functions';
+
+export default createWebTheme({
+    font,
+    colors,
+    colorMap,
+    spacing,
+    shape,
+    typography
+});

react/features/base/ui/components/JitsiThemeProvider.web.js

+// @flow
+
+import { ThemeProvider } from '@material-ui/core/styles';
+import * as React from 'react';
+
+import BaseTheme from './BaseTheme';
+
+type Props = {
+
+   /**
+    * The children of the component.
+    */
+    children: React.ChildrenArray<any>
+}
+
+/**
+ * The theme provider for the web app.
+ *
+ * @param {Object} props - The props of the component.
+ * @returns {React.ReactNode}
+ */
+export default function JitsiThemeProvider(props: Props) {
+    return <ThemeProvider theme = { BaseTheme }>{ props.children }</ThemeProvider>;
+}

react/features/base/ui/functions.js

+// @flow
+
+import { createMuiTheme } from '@material-ui/core/styles';
+
+/**
+ * Creates the color tokens based on the color theme and the association map.
+ * If a key is not fonund in the association map it defaults to the current value.
+ *
+ * @param {Object} colorMap - A map between the token name and the actual color value.
+ * @param {Object} colors - An object containing all the theme colors.
+ * @returns {Object}
+ */
+function createColorTokens(colorMap: Object, colors: Object): Object {
+    return Object.entries(colorMap)
+        .reduce((result, [ token, value ]) =>
+            Object.assign(result, { [token]: colors[value] || value }), {});
+}
+
+/**
+ * Creates a MUI theme based on local UI tokens.
+ *
+ * @param {Object} arg - The ui tokens.
+ * @returns {Object}
+ */
+export function createWebTheme({ font, colors, colorMap, shape, spacing, typography }: Object) {
+    return createMuiTheme({
+        props: {
+            // disable ripple effect on buttons globally
+            MuiButtonBase: {
+                disableRipple: true
+            }
+        },
+
+        // use token spacing array
+        spacing
+    }, {
+        palette: createColorTokens(colorMap, colors),
+        shape,
+        typography: {
+            font,
+            ...typography
+        }
+    });
+}