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-rw-r--r--src/services/theme_data/theme_data.service.js347
1 files changed, 345 insertions, 2 deletions
diff --git a/src/services/theme_data/theme_data.service.js b/src/services/theme_data/theme_data.service.js
index b376ef4d..2dddfa04 100644
--- a/src/services/theme_data/theme_data.service.js
+++ b/src/services/theme_data/theme_data.service.js
@@ -1,5 +1,5 @@
import { convert, brightness, contrastRatio } from 'chromatism'
-import { alphaBlendLayers, getTextColor, relativeLuminance } from '../color_convert/color_convert.js'
+import { rgb2hex, rgba2css, alphaBlendLayers, getTextColor, relativeLuminance, getCssColor } from '../color_convert/color_convert.js'
import { LAYERS, DEFAULT_OPACITY, SLOT_INHERITANCE } from './pleromafe.js'
/*
@@ -117,7 +117,6 @@ export const topoSort = (
// Put it into the output list
output.push(node)
} else if (grays.has(node)) {
- console.debug('Cyclic depenency in topoSort, ignoring')
output.push(node)
} else if (blacks.has(node)) {
// do nothing
@@ -407,3 +406,347 @@ export const getColors = (sourceColors, sourceOpacity) => SLOT_ORDERED.reduce(({
}
}
}, { colors: {}, opacity: {} })
+
+export const composePreset = (colors, radii, shadows, fonts) => {
+ return {
+ rules: {
+ ...shadows.rules,
+ ...colors.rules,
+ ...radii.rules,
+ ...fonts.rules
+ },
+ theme: {
+ ...shadows.theme,
+ ...colors.theme,
+ ...radii.theme,
+ ...fonts.theme
+ }
+ }
+}
+
+export const generatePreset = (input) => {
+ const colors = generateColors(input)
+ return composePreset(
+ colors,
+ generateRadii(input),
+ generateShadows(input, colors.theme.colors, colors.mod),
+ generateFonts(input)
+ )
+}
+
+export const getCssShadow = (input, usesDropShadow) => {
+ if (input.length === 0) {
+ return 'none'
+ }
+
+ return input
+ .filter(_ => usesDropShadow ? _.inset : _)
+ .map((shad) => [
+ shad.x,
+ shad.y,
+ shad.blur,
+ shad.spread
+ ].map(_ => _ + 'px').concat([
+ getCssColor(shad.color, shad.alpha),
+ shad.inset ? 'inset' : ''
+ ]).join(' ')).join(', ')
+}
+
+const getCssShadowFilter = (input) => {
+ if (input.length === 0) {
+ return 'none'
+ }
+
+ return input
+ // drop-shadow doesn't support inset or spread
+ .filter((shad) => !shad.inset && Number(shad.spread) === 0)
+ .map((shad) => [
+ shad.x,
+ shad.y,
+ // drop-shadow's blur is twice as strong compared to box-shadow
+ shad.blur / 2
+ ].map(_ => _ + 'px').concat([
+ getCssColor(shad.color, shad.alpha)
+ ]).join(' '))
+ .map(_ => `drop-shadow(${_})`)
+ .join(' ')
+}
+
+export const generateColors = (themeData) => {
+ const sourceColors = !themeData.themeEngineVersion
+ ? colors2to3(themeData.colors || themeData)
+ : themeData.colors || themeData
+
+ const { colors, opacity } = getColors(sourceColors, themeData.opacity || {})
+
+ const htmlColors = Object.entries(colors)
+ .reduce((acc, [k, v]) => {
+ if (!v) return acc
+ acc.solid[k] = rgb2hex(v)
+ acc.complete[k] = typeof v.a === 'undefined' ? rgb2hex(v) : rgba2css(v)
+ return acc
+ }, { complete: {}, solid: {} })
+ return {
+ rules: {
+ colors: Object.entries(htmlColors.complete)
+ .filter(([k, v]) => v)
+ .map(([k, v]) => `--${k}: ${v}`)
+ .join(';')
+ },
+ theme: {
+ colors: htmlColors.solid,
+ opacity
+ }
+ }
+}
+
+export const generateRadii = (input) => {
+ let inputRadii = input.radii || {}
+ // v1 -> v2
+ if (typeof input.btnRadius !== 'undefined') {
+ inputRadii = Object
+ .entries(input)
+ .filter(([k, v]) => k.endsWith('Radius'))
+ .reduce((acc, e) => { acc[e[0].split('Radius')[0]] = e[1]; return acc }, {})
+ }
+ const radii = Object.entries(inputRadii).filter(([k, v]) => v).reduce((acc, [k, v]) => {
+ acc[k] = v
+ return acc
+ }, {
+ btn: 4,
+ input: 4,
+ checkbox: 2,
+ panel: 10,
+ avatar: 5,
+ avatarAlt: 50,
+ tooltip: 2,
+ attachment: 5,
+ chatMessage: inputRadii.panel
+ })
+
+ return {
+ rules: {
+ radii: Object.entries(radii).filter(([k, v]) => v).map(([k, v]) => `--${k}Radius: ${v}px`).join(';')
+ },
+ theme: {
+ radii
+ }
+ }
+}
+
+export const generateFonts = (input) => {
+ const fonts = Object.entries(input.fonts || {}).filter(([k, v]) => v).reduce((acc, [k, v]) => {
+ acc[k] = Object.entries(v).filter(([k, v]) => v).reduce((acc, [k, v]) => {
+ acc[k] = v
+ return acc
+ }, acc[k])
+ return acc
+ }, {
+ interface: {
+ family: 'sans-serif'
+ },
+ input: {
+ family: 'inherit'
+ },
+ post: {
+ family: 'inherit'
+ },
+ postCode: {
+ family: 'monospace'
+ }
+ })
+
+ return {
+ rules: {
+ fonts: Object
+ .entries(fonts)
+ .filter(([k, v]) => v)
+ .map(([k, v]) => `--${k}Font: ${v.family}`).join(';')
+ },
+ theme: {
+ fonts
+ }
+ }
+}
+
+const border = (top, shadow) => ({
+ x: 0,
+ y: top ? 1 : -1,
+ blur: 0,
+ spread: 0,
+ color: shadow ? '#000000' : '#FFFFFF',
+ alpha: 0.2,
+ inset: true
+})
+const buttonInsetFakeBorders = [border(true, false), border(false, true)]
+const inputInsetFakeBorders = [border(true, true), border(false, false)]
+const hoverGlow = {
+ x: 0,
+ y: 0,
+ blur: 4,
+ spread: 0,
+ color: '--faint',
+ alpha: 1
+}
+
+export const DEFAULT_SHADOWS = {
+ panel: [{
+ x: 1,
+ y: 1,
+ blur: 4,
+ spread: 0,
+ color: '#000000',
+ alpha: 0.6
+ }],
+ topBar: [{
+ x: 0,
+ y: 0,
+ blur: 4,
+ spread: 0,
+ color: '#000000',
+ alpha: 0.6
+ }],
+ popup: [{
+ x: 2,
+ y: 2,
+ blur: 3,
+ spread: 0,
+ color: '#000000',
+ alpha: 0.5
+ }],
+ avatar: [{
+ x: 0,
+ y: 1,
+ blur: 8,
+ spread: 0,
+ color: '#000000',
+ alpha: 0.7
+ }],
+ avatarStatus: [],
+ panelHeader: [],
+ button: [{
+ x: 0,
+ y: 0,
+ blur: 2,
+ spread: 0,
+ color: '#000000',
+ alpha: 1
+ }, ...buttonInsetFakeBorders],
+ buttonHover: [hoverGlow, ...buttonInsetFakeBorders],
+ buttonPressed: [hoverGlow, ...inputInsetFakeBorders],
+ input: [...inputInsetFakeBorders, {
+ x: 0,
+ y: 0,
+ blur: 2,
+ inset: true,
+ spread: 0,
+ color: '#000000',
+ alpha: 1
+ }]
+}
+export const generateShadows = (input, colors) => {
+ // TODO this is a small hack for `mod` to work with shadows
+ // this is used to get the "context" of shadow, i.e. for `mod` properly depend on background color of element
+ const hackContextDict = {
+ button: 'btn',
+ panel: 'bg',
+ top: 'topBar',
+ popup: 'popover',
+ avatar: 'bg',
+ panelHeader: 'panel',
+ input: 'input'
+ }
+
+ const cleanInputShadows = Object.fromEntries(
+ Object.entries(input.shadows || {})
+ .map(([name, shadowSlot]) => [
+ name,
+ // defaulting color to black to avoid potential problems
+ shadowSlot.map(shadowDef => ({ color: '#000000', ...shadowDef }))
+ ])
+ )
+ const inputShadows = cleanInputShadows && !input.themeEngineVersion
+ ? shadows2to3(cleanInputShadows, input.opacity)
+ : cleanInputShadows || {}
+ const shadows = Object.entries({
+ ...DEFAULT_SHADOWS,
+ ...inputShadows
+ }).reduce((shadowsAcc, [slotName, shadowDefs]) => {
+ const slotFirstWord = slotName.replace(/[A-Z].*$/, '')
+ const colorSlotName = hackContextDict[slotFirstWord]
+ const isLightOnDark = relativeLuminance(convert(colors[colorSlotName]).rgb) < 0.5
+ const mod = isLightOnDark ? 1 : -1
+ const newShadow = shadowDefs.reduce((shadowAcc, def) => [
+ ...shadowAcc,
+ {
+ ...def,
+ color: rgb2hex(computeDynamicColor(
+ def.color,
+ (variableSlot) => convert(colors[variableSlot]).rgb,
+ mod
+ ))
+ }
+ ], [])
+ return { ...shadowsAcc, [slotName]: newShadow }
+ }, {})
+
+ return {
+ rules: {
+ shadows: Object
+ .entries(shadows)
+ // TODO for v2.2: if shadow doesn't have non-inset shadows with spread > 0 - optionally
+ // convert all non-inset shadows into filter: drop-shadow() to boost performance
+ .map(([k, v]) => [
+ `--${k}Shadow: ${getCssShadow(v)}`,
+ `--${k}ShadowFilter: ${getCssShadowFilter(v)}`,
+ `--${k}ShadowInset: ${getCssShadow(v, true)}`
+ ].join(';'))
+ .join(';')
+ },
+ theme: {
+ shadows
+ }
+ }
+}
+
+/**
+ * This handles compatibility issues when importing v2 theme's shadows to current format
+ *
+ * Back in v2 shadows allowed you to use dynamic colors however those used pure CSS3 variables
+ */
+export const shadows2to3 = (shadows, opacity) => {
+ return Object.entries(shadows).reduce((shadowsAcc, [slotName, shadowDefs]) => {
+ const isDynamic = ({ color = '#000000' }) => color.startsWith('--')
+ const getOpacity = ({ color }) => opacity[getOpacitySlot(color.substring(2).split(',')[0])]
+ const newShadow = shadowDefs.reduce((shadowAcc, def) => [
+ ...shadowAcc,
+ {
+ ...def,
+ alpha: isDynamic(def) ? getOpacity(def) || 1 : def.alpha
+ }
+ ], [])
+ return { ...shadowsAcc, [slotName]: newShadow }
+ }, {})
+}
+
+export const colors2to3 = (colors) => {
+ return Object.entries(colors).reduce((acc, [slotName, color]) => {
+ const btnPositions = ['', 'Panel', 'TopBar']
+ switch (slotName) {
+ case 'lightBg':
+ return { ...acc, highlight: color }
+ case 'btnText':
+ return {
+ ...acc,
+ ...btnPositions
+ .reduce(
+ (statePositionAcc, position) =>
+ ({ ...statePositionAcc, ['btn' + position + 'Text']: color })
+ , {}
+ )
+ }
+ default:
+ return { ...acc, [slotName]: color }
+ }
+ }, {})
+}