629 lines
14 KiB
JavaScript
629 lines
14 KiB
JavaScript
import { convert, brightness, contrastRatio } from 'chromatism'
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import { alphaBlend, alphaBlendLayers, getTextColor, mixrgb } from '../color_convert/color_convert.js'
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export const CURRENT_VERSION = 3
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/* This is a definition of all layer combinations
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* each key is a topmost layer, each value represents layer underneath
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* this is essentially a simplified tree
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*/
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export const LAYERS = {
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undelay: null, // root
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topBar: null, // no transparency support
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badge: null, // no transparency support
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fg: null,
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bg: 'underlay',
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lightBg: 'bg',
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panel: 'bg',
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btn: 'bg',
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btnPanel: 'panel',
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btnTopBar: 'topBar',
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input: 'bg',
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inputPanel: 'panel',
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inputTopBar: 'topBar',
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alert: 'bg',
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alertPanel: 'panel',
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poll: 'bg'
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}
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export const DEFAULT_OPACITY = {
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alert: 0.5,
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input: 0.5,
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faint: 0.5,
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underlay: 0.15
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}
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export const SLOT_INHERITANCE = {
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bg: {
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depends: [],
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priority: 1,
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opacity: 'bg'
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},
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fg: {
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depends: [],
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priority: 1
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},
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text: {
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depends: [],
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priority: 1
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},
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underlay: {
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default: '#000000',
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opacity: 'underlay'
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},
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link: {
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depends: ['accent'],
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priority: 1
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},
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accent: {
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depends: ['link'],
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priority: 1
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},
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faint: {
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depends: ['text'],
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opacity: 'faint'
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},
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faintLink: {
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depends: ['link'],
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opacity: 'faint'
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},
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cBlue: '#0000ff',
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cRed: '#FF0000',
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cGreen: '#00FF00',
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cOrange: '#E3FF00',
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lightBg: {
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depends: ['bg'],
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color: (mod, bg) => brightness(5 * mod, bg).rgb
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},
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lightBgFaintText: {
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depends: ['faint'],
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layer: 'lightBg',
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textColor: true
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},
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lightBgFaintLink: {
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depends: ['faintLink'],
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layer: 'lightBg',
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textColor: 'preserve'
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},
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lightBgText: {
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depends: ['text'],
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layer: 'lightBg',
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textColor: true
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},
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lightBgLink: {
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depends: ['link'],
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layer: 'lightBg',
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textColor: 'preserve'
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},
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lightBgIcon: {
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depends: ['lightBg', 'lightBgText'],
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color: (mod, bg, text) => mixrgb(bg, text)
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},
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selectedPost: '--lightBg',
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selectedPostFaintText: {
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depends: ['lightBgFaintText'],
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layer: 'lightBg',
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textColor: true
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},
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selectedPostFaintLink: {
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depends: ['lightBgFaintLink'],
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layer: 'lightBg',
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textColor: 'preserve'
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},
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selectedPostText: {
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depends: ['lightBgText'],
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layer: 'lightBg',
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textColor: true
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},
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selectedPostLink: {
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depends: ['lightBgLink'],
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layer: 'lightBg',
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textColor: 'preserve'
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},
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selectedPostIcon: {
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depends: ['selectedPost', 'selectedPostText'],
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color: (mod, bg, text) => mixrgb(bg, text)
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},
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selectedMenu: '--lightBg',
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selectedMenuFaintText: {
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depends: ['lightBgFaintText'],
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layer: 'lightBg',
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textColor: true
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},
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selectedMenuFaintLink: {
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depends: ['lightBgFaintLink'],
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layer: 'lightBg',
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textColor: 'preserve'
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},
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selectedMenuText: {
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depends: ['lightBgText'],
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layer: 'lightBg',
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textColor: true
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},
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selectedMenuLink: {
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depends: ['lightBgLink'],
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layer: 'lightBg',
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textColor: 'preserve'
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},
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selectedMenuIcon: {
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depends: ['selectedMenu', 'selectedMenuText'],
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color: (mod, bg, text) => mixrgb(bg, text)
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},
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lightText: {
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depends: ['text'],
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color: (mod, text) => brightness(20 * mod, text).rgb
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},
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border: {
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depends: ['fg'],
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opacity: 'border',
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color: (mod, fg) => brightness(2 * mod, fg).rgb
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},
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poll: {
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depends: ['accent', 'bg'],
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copacity: 'poll',
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color: (mod, accent, bg) => alphaBlend(accent, 0.4, bg)
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},
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pollText: {
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depends: ['text'],
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layer: 'poll',
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textColor: true
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},
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icon: {
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depends: ['bg', 'text'],
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inheritsOpacity: false,
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color: (mod, bg, text) => mixrgb(bg, text)
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},
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// Foreground
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fgText: {
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depends: ['text'],
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layer: 'fg',
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textColor: true
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},
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fgLink: {
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depends: ['link'],
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layer: 'fg',
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textColor: 'preserve'
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},
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// Panel header
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panel: {
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depends: ['fg'],
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opacity: 'panel'
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},
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panelText: {
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depends: ['fgText'],
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layer: 'panel',
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textColor: true
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},
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panelFaint: {
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depends: ['fgText'],
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layer: 'panel',
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opacity: 'faint',
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textColor: true
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},
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panelLink: {
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depends: ['fgLink'],
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layer: 'panel',
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textColor: 'preserve'
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},
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// Top bar
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topBar: '--fg',
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topBarText: {
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depends: ['fgText'],
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layer: 'topBar',
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textColor: true
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},
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topBarLink: {
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depends: ['fgLink'],
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layer: 'topBar',
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textColor: 'preserve'
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},
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// Tabs
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tab: '--btn',
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tabText: {
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depends: ['btnText'],
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layer: 'btn',
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textColor: true
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},
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tabActiveText: {
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depends: ['text'],
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layer: 'bg',
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textColor: true
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},
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// Buttons
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btn: {
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depends: ['fg'],
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opacity: 'btn'
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},
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btnText: {
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depends: ['fgText'],
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layer: 'btn',
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textColor: true
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},
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btnPanelText: {
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depends: ['panelText'],
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layer: 'btnPanel',
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variant: 'btn',
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textColor: true
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},
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btnTopBarText: {
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depends: ['topBarText'],
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layer: 'btnTopBar',
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variant: 'btn',
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textColor: true
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},
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// Buttons: pressed
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btnPressed: '--btn',
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btnPressedText: {
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depends: ['btnText'],
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layer: 'btn',
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variant: 'btnPressed',
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textColor: true
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},
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btnPressedPanelText: {
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depends: ['btnPanelText'],
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layer: 'btnPanel',
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variant: 'btnPressed',
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textColor: true
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},
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btnPressedTopBarText: {
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depends: ['btnTopBarText'],
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layer: 'btnTopBar',
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variant: 'btnPressed',
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textColor: true
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},
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// Buttons: toggled
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btnToggled: {
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depends: ['btn'],
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color: (mod, btn) => brightness(mod * 20, btn).rgb
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},
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btnToggledText: {
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depends: ['btnText'],
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layer: 'btn',
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variant: 'btnToggled',
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textColor: true
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},
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btnToggledPanelText: {
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depends: ['btnPanelText'],
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layer: 'btnPanel',
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variant: 'btnToggled',
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textColor: true
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},
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btnToggledTopBarText: {
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depends: ['btnTopBarText'],
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layer: 'btnTopBar',
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variant: 'btnToggled',
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textColor: true
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},
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// Buttons: disabled
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btnDisabled: {
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depends: ['btn', 'bg'],
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color: (mod, btn, bg) => alphaBlend(btn, 0.5, bg)
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},
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btnDisabledText: {
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depends: ['btnText'],
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layer: 'btn',
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variant: 'btnDisabled',
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textColor: true,
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color: (mod, text) => brightness(mod * -60, text).rgb
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},
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btnDisabledPanelText: {
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depends: ['btnPanelText'],
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layer: 'btnPanel',
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variant: 'btnDisabled',
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textColor: true,
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color: (mod, text) => brightness(mod * -60, text).rgb
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},
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btnDisabledTopBarText: {
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depends: ['btnTopBarText'],
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layer: 'btnTopBar',
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variant: 'btnDisabled',
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textColor: true,
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color: (mod, text) => brightness(mod * -60, text).rgb
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},
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// Input fields
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input: {
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depends: ['fg'],
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opacity: 'input'
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},
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inputText: {
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depends: ['text'],
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layer: 'input',
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textColor: true
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},
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inputPanelText: {
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depends: ['panelText'],
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layer: 'inputPanel',
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variant: 'input',
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textColor: true
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},
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inputTopbarText: {
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depends: ['topBarText'],
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layer: 'inputTopBar',
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variant: 'input',
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textColor: true
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},
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alertError: {
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depends: ['cRed'],
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opacity: 'alert'
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},
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alertErrorText: {
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depends: ['text'],
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layer: 'alert',
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variant: 'alertError',
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textColor: true
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},
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alertErrorPanelText: {
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depends: ['panelText'],
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layer: 'alertPanel',
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variant: 'alertError',
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textColor: true
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},
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alertWarning: {
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depends: ['cOrange'],
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opacity: 'alert'
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},
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alertWarningText: {
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depends: ['text'],
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layer: 'alert',
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variant: 'alertWarning',
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textColor: true
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},
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alertWarningPanelText: {
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depends: ['panelText'],
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layer: 'alertPanel',
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variant: 'alertWarning',
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textColor: true
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},
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badgeNotification: '--cRed',
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badgeNotificationText: {
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depends: ['text', 'badgeNotification'],
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layer: 'badge',
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variant: 'badgeNotification',
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textColor: 'bw'
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}
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}
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export const getLayersArray = (layer, data = LAYERS) => {
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let array = [layer]
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let parent = data[layer]
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while (parent) {
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array.unshift(parent)
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parent = data[parent]
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}
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return array
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}
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export const getLayers = (layer, variant = layer, colors, opacity) => {
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return getLayersArray(layer).map((currentLayer) => ([
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currentLayer === layer
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? colors[variant]
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: colors[currentLayer],
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// TODO: Remove this hack when opacities/layers system is improved
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currentLayer.startsWith('btn')
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? opacity.btn
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: opacity[currentLayer]
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]))
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}
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const getDependencies = (key, inheritance) => {
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const data = inheritance[key]
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if (typeof data === 'string' && data.startsWith('--')) {
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return [data.substring(2)]
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} else {
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if (data === null) return []
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const { depends, layer, variant } = data
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const layerDeps = layer
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? getLayersArray(layer).map(currentLayer => {
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return currentLayer === layer
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? variant || layer
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: currentLayer
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})
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: []
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if (Array.isArray(depends)) {
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return [...depends, ...layerDeps]
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} else {
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return [...layerDeps]
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}
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}
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}
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export const topoSort = (
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inheritance = SLOT_INHERITANCE,
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getDeps = getDependencies
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) => {
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// This is an implementation of https://en.wikipedia.org/wiki/Tarjan%27s_strongly_connected_components_algorithm
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const allKeys = Object.keys(inheritance)
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const whites = new Set(allKeys)
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const grays = new Set()
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const blacks = new Set()
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const unprocessed = [...allKeys]
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const output = []
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const step = (node) => {
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if (whites.has(node)) {
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// Make node "gray"
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whites.delete(node)
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grays.add(node)
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// Do step for each node connected to it (one way)
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getDeps(node, inheritance).forEach(step)
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// Make node "black"
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grays.delete(node)
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blacks.add(node)
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// Put it into the output list
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output.push(node)
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} else if (grays.has(node)) {
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console.debug('Cyclic depenency in topoSort, ignoring')
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output.push(node)
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} else if (blacks.has(node)) {
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// do nothing
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} else {
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throw new Error('Unintended condition in topoSort!')
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}
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}
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while (unprocessed.length > 0) {
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step(unprocessed.pop())
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}
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return output
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}
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export const getOpacitySlot = (
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v,
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inheritance = SLOT_INHERITANCE,
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getDeps = getDependencies
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) => {
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if (v.opacity === null) return
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if (v.opacity) return v.opacity
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const findInheritedOpacity = (val) => {
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const depSlot = val.depends[0]
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if (depSlot === undefined) return
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const dependency = getDeps(depSlot, inheritance)[0]
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if (dependency === undefined) return
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if (dependency.opacity || dependency === null) {
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return dependency.opacity
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} else if (dependency.depends) {
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return findInheritedOpacity(dependency)
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} else {
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return null
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}
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}
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if (v.depends) {
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return findInheritedOpacity(v)
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}
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}
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export const SLOT_ORDERED = topoSort(
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Object.entries(SLOT_INHERITANCE)
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.sort(([aK, aV], [bK, bV]) => ((aV && aV.priority) || 0) - ((bV && bV.priority) || 0))
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.reduce((acc, [k, v]) => ({ ...acc, [k]: v }), {})
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)
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export const SLOTS_OPACITIES_DICT = Object.entries(SLOT_INHERITANCE).reduce((acc, [k, v]) => {
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const opacity = getOpacitySlot(v, SLOT_INHERITANCE, getDependencies)
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if (opacity) {
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return { ...acc, [k]: opacity }
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} else {
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return acc
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}
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}, {})
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export const OPACITIES = Object.entries(SLOT_INHERITANCE).reduce((acc, [k, v]) => {
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const opacity = getOpacitySlot(v, SLOT_INHERITANCE, getDependencies)
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if (opacity) {
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return {
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...acc,
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[opacity]: {
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defaultValue: DEFAULT_OPACITY[opacity] || 1,
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affectedSlots: [...((acc[opacity] && acc[opacity].affectedSlots) || []), k]
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}
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}
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} else {
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return acc
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}
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}, {})
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export const getColors = (sourceColors, sourceOpacity, mod) => SLOT_ORDERED.reduce(({ colors, opacity }, key) => {
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const value = SLOT_INHERITANCE[key]
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const isObject = typeof value === 'object'
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const isString = typeof value === 'string'
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const sourceColor = sourceColors[key]
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let outputColor = null
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if (sourceColor) {
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// Color is defined in source color
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let targetColor = sourceColor
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if (targetColor === 'transparent') {
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targetColor = {
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// TODO: try to use alpha-blended background here
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...convert('#FF00FF').rgb,
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a: 0
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}
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} else if (typeof sourceColor === 'string' && sourceColor.startsWith('--')) {
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// Color references other color
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const [variable, modifier] = sourceColor.split(/,/g).map(str => str.trim())
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const variableSlot = variable.substring(2)
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targetColor = colors[variableSlot] || sourceColors[variableSlot]
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if (modifier) {
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targetColor = brightness(Number.parseFloat(modifier) * mod, targetColor).rgb
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}
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} else if (typeof sourceColor === 'string' && sourceColor.startsWith('#')) {
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targetColor = convert(targetColor).rgb
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}
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outputColor = { ...targetColor }
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} else if (isString && value.startsWith('#')) {
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// slot: '#000000' shorthand
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outputColor = convert(value).rgb
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} else if (isObject && value.default) {
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// same as above except in object form
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outputColor = convert(value.default).rgb
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} else {
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// calculate color
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const defaultColorFunc = (mod, dep) => ({ ...dep })
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const deps = getDependencies(key, SLOT_INHERITANCE)
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const colorFunc = (isObject && value.color) || defaultColorFunc
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if (value.textColor) {
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// textColor case
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const bg = alphaBlendLayers(
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{ ...colors[deps[0]] },
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|
getLayers(
|
|
value.layer,
|
|
value.variant || value.layer,
|
|
colors,
|
|
opacity
|
|
)
|
|
)
|
|
if (value.textColor === 'bw') {
|
|
outputColor = contrastRatio(bg).rgb
|
|
} else {
|
|
let color = { ...colors[deps[0]] }
|
|
if (value.color) {
|
|
const isLightOnDark = convert(bg).hsl.l < convert(color).hsl.l
|
|
const mod = isLightOnDark ? 1 : -1
|
|
color = value.color(mod, ...deps.map((dep) => ({ ...colors[dep] })))
|
|
}
|
|
|
|
outputColor = getTextColor(
|
|
bg,
|
|
{ ...color },
|
|
value.textColor === 'preserve'
|
|
)
|
|
}
|
|
} else {
|
|
// background color case
|
|
outputColor = colorFunc(
|
|
mod,
|
|
...deps.map((dep) => ({ ...colors[dep] }))
|
|
)
|
|
}
|
|
}
|
|
if (!outputColor) {
|
|
throw new Error('Couldn\'t generate color for ' + key)
|
|
}
|
|
const opacitySlot = SLOTS_OPACITIES_DICT[key]
|
|
if (opacitySlot && outputColor.a === undefined) {
|
|
outputColor.a = sourceOpacity[opacitySlot] || OPACITIES[opacitySlot].defaultValue || 1
|
|
}
|
|
return {
|
|
colors: { ...colors, [key]: outputColor },
|
|
opacity: { ...opacity, [opacitySlot]: outputColor.a }
|
|
}
|
|
}, { colors: {}, opacity: {} })
|