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feat(themes): Online Themes CSS Override
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,258 @@ | ||
| /* | ||
| * Vencord, a Discord client mod | ||
| * Copyright (c) 2024 Vendicated and contributors | ||
| * SPDX-License-Identifier: GPL-3.0-or-later | ||
| */ | ||
|
|
||
| import { useSettings } from "@api/Settings"; | ||
| import { PencilIcon, RestartIcon } from "@components/Icons"; | ||
| import { Margins } from "@utils/margins"; | ||
| import { ModalCloseButton, ModalContent, ModalFooter, ModalHeader, ModalProps, ModalRoot, ModalSize, openModal } from "@utils/modal"; | ||
| import { Button, Card, Forms, React, Text, TextInput, useEffect, useState } from "@webpack/common"; | ||
|
|
||
| interface CssRules { | ||
| [selector: string]: { | ||
| [property: string]: string; | ||
| }; | ||
| } | ||
|
|
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| interface CssRuleCardProps { | ||
| selector: string; | ||
| properties: [string, string][]; | ||
| overrideRules: CssRules; | ||
| setOverrideRules: React.Dispatch<React.SetStateAction<CssRules>>; | ||
| settings: any; | ||
| rawLink: string; | ||
| } | ||
|
|
||
| interface ThemeOverrideModalProps extends ModalProps { | ||
| rawCssText: string; | ||
| rawLink: string; | ||
| } | ||
|
|
||
| function getCssPropertyValue(style: CSSStyleDeclaration, prop: string): string | null { | ||
| const value = style.getPropertyValue(prop); | ||
| if (!value) return null; | ||
|
|
||
| const priority = style.getPropertyPriority(prop); | ||
| return `${value}${priority ? " !" + priority : ""}`; | ||
| } | ||
|
|
||
| function applyRulesToSheet(sheet: CSSStyleSheet, rules: CssRules) { | ||
| Object.entries(rules).forEach(([sel, props]) => { | ||
| const rule = `${sel} { ${Object.entries(props) | ||
| .map(([p, v]) => `${p}: ${v}`) | ||
| .join("; ")} }`; | ||
| try { | ||
| sheet.insertRule(rule); | ||
| } catch (e) { | ||
| console.error("Failed to insert rule:", rule, e); | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| function updateCssRule(rules: CssRules, selector: string, property: string, value: string) { | ||
| const newRules = { ...rules }; | ||
|
|
||
| if (!value.trim()) { | ||
| if (newRules[selector]) { | ||
| delete newRules[selector][property]; | ||
| if (Object.keys(newRules[selector]).length === 0) { | ||
| delete newRules[selector]; | ||
| } | ||
| } | ||
| } else { | ||
| if (!newRules[selector]) { | ||
| newRules[selector] = {}; | ||
| } | ||
| newRules[selector][property] = value; | ||
| } | ||
|
|
||
| return newRules; | ||
| } | ||
|
|
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| function updateThemeOverrides(settings: any, rawLink: string, rules: CssRules) { | ||
| if (Object.keys(rules).length === 0) { | ||
| delete settings.onlineThemeOverrides[rawLink]; | ||
| } else { | ||
| const sheet = new CSSStyleSheet(); | ||
| applyRulesToSheet(sheet, rules); | ||
| settings.onlineThemeOverrides[rawLink] = Array.from(sheet.cssRules) | ||
| .map(rule => rule.cssText).join(" "); | ||
| } | ||
| settings.onlineThemeOverrides = { ...settings.onlineThemeOverrides }; | ||
| } | ||
|
|
||
| function CssRuleCard({ selector, properties, overrideRules, setOverrideRules, settings, rawLink }: CssRuleCardProps) { | ||
| const updateValue = (prop: string, value: string, shouldCommit = false) => { | ||
| setOverrideRules(prev => { | ||
| const newRules = updateCssRule(prev, selector, prop, value); | ||
| if (shouldCommit) { | ||
| updateThemeOverrides(settings, rawLink, newRules); | ||
| } | ||
| return newRules; | ||
| }); | ||
| }; | ||
|
|
||
| return ( | ||
| <Card style={{ marginBottom: ".5em", paddingTop: ".2em", paddingBottom: ".5em" }}> | ||
| <Forms.FormText style={{ paddingLeft: ".5em", paddingRight: ".5em" }}>{selector}</Forms.FormText> | ||
| <div style={{ paddingLeft: "1.5em", paddingRight: "1.5em" }}> | ||
| {properties.map(([prop, value], propIndex) => { | ||
| const inputRef = React.useRef<HTMLInputElement>(null); | ||
|
|
||
| return ( | ||
| <Forms.FormText key={propIndex}> | ||
| <strong>{prop}:</strong> | ||
| <div style={{ display: "flex", gap: "8px", alignItems: "center" }}> | ||
| <TextInput | ||
| inputRef={inputRef} | ||
| value={overrideRules[selector]?.[prop] ?? ""} | ||
| placeholder={value} | ||
| onChange={v => updateValue(prop, v, false)} | ||
| onBlur={e => updateValue(prop, e.currentTarget.value, true)} | ||
| style={{ | ||
| marginBottom: ".5em", | ||
| flex: 1, | ||
| minWidth: "200px", | ||
| width: `${Math.max(200, value.length * 8)}px` | ||
| }} | ||
| /> | ||
| <div | ||
| style={{ cursor: "pointer" }} | ||
| onClick={() => { | ||
| updateValue(prop, value, true); | ||
| inputRef.current?.focus(); | ||
| }} | ||
| > | ||
| <PencilIcon width={16} height={16} /> | ||
| </div> | ||
| <div | ||
| style={{ cursor: "pointer" }} | ||
| onClick={() => { | ||
| updateValue(prop, "", true); | ||
| inputRef.current?.focus(); | ||
| }} | ||
| > | ||
| <RestartIcon width={16} height={16} /> | ||
| </div> | ||
| </div> | ||
| </Forms.FormText> | ||
| ); | ||
| })} | ||
| </div> | ||
| </Card> | ||
| ); | ||
| } | ||
|
|
||
| function ThemeOverrideModal({ rawCssText, rawLink, onClose, transitionState }: ThemeOverrideModalProps) { | ||
| const settings = useSettings(); | ||
| const [cssRules, setCssRules] = useState<CSSRuleList | null>(null); | ||
| const [overrideRules, setOverrideRules] = useState<CssRules>({}); | ||
|
|
||
| useEffect(() => { | ||
| const themeSheet = new CSSStyleSheet(); | ||
| themeSheet.replaceSync(rawCssText); | ||
| setCssRules(themeSheet.cssRules); | ||
|
|
||
| if (settings.onlineThemeOverrides[rawLink]) { | ||
| const savedOverrideSheet = new CSSStyleSheet(); | ||
| savedOverrideSheet.replaceSync(settings.onlineThemeOverrides[rawLink]); | ||
|
|
||
| const savedOverrideRules: CssRules = {}; | ||
| const themeSelectors = new Set(Array.from(themeSheet.cssRules) | ||
| .filter((rule): rule is CSSStyleRule => rule instanceof CSSStyleRule) | ||
| .map(rule => rule.selectorText)); | ||
|
|
||
| Array.from(savedOverrideSheet.cssRules).forEach(rule => { | ||
| if (!(rule instanceof CSSStyleRule)) return; | ||
|
|
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| const overrideSelector = rule.selectorText; | ||
| if (!themeSelectors.has(overrideSelector)) return; | ||
|
|
||
| const themeRule = Array.from(themeSheet.cssRules) | ||
| .find((r): r is CSSStyleRule => | ||
| r instanceof CSSStyleRule && r.selectorText === overrideSelector | ||
| ); | ||
| if (!themeRule) return; | ||
|
|
||
| const themeProperties = new Set(Array.from(themeRule.style)); | ||
| savedOverrideRules[overrideSelector] = {}; | ||
|
|
||
| for (const prop of rule.style) { | ||
| if (!themeProperties.has(prop)) continue; | ||
|
|
||
| const value = getCssPropertyValue(rule.style, prop); | ||
| if (value) { | ||
| savedOverrideRules[overrideSelector][prop] = value; | ||
| } | ||
| } | ||
|
|
||
| if (Object.keys(savedOverrideRules[overrideSelector]).length === 0) { | ||
| delete savedOverrideRules[overrideSelector]; | ||
| } | ||
| }); | ||
|
|
||
| updateThemeOverrides(settings, rawLink, savedOverrideRules); | ||
| setOverrideRules(savedOverrideRules); | ||
| } | ||
| }, [rawCssText]); | ||
|
|
||
| if (!cssRules) return null; | ||
|
|
||
| return ( | ||
| <ModalRoot transitionState={transitionState} size={ModalSize.LARGE} className="vc-text-selectable"> | ||
| <ModalHeader> | ||
| <Text variant="heading-lg/semibold" style={{ flexGrow: 1 }}>Theme CSS Override</Text> | ||
| <ModalCloseButton onClick={onClose} /> | ||
| </ModalHeader> | ||
| <ModalContent> | ||
| <Card className="vc-settings-card" style={{ marginTop: "1em" }}> | ||
| <Forms.FormText>{rawLink}</Forms.FormText> | ||
| </Card> | ||
| <Forms.FormSection className={Margins.top8}> | ||
| {Array.from(cssRules || []).map((rule, index) => { | ||
| if (!(rule instanceof CSSStyleRule)) return null; | ||
|
|
||
| const selector = rule.selectorText; | ||
| const properties: [string, string][] = []; | ||
|
|
||
| for (const prop of rule.style) { | ||
| const value = getCssPropertyValue(rule.style, prop); | ||
| if (value) { | ||
| properties.push([prop, value]); | ||
| } | ||
| } | ||
|
|
||
| return ( | ||
| <CssRuleCard | ||
| key={index} | ||
| selector={selector} | ||
| properties={properties} | ||
| overrideRules={overrideRules} | ||
| setOverrideRules={setOverrideRules} | ||
| settings={settings} | ||
| rawLink={rawLink} | ||
| /> | ||
| ); | ||
| })} | ||
| </Forms.FormSection> | ||
| </ModalContent> | ||
| <ModalFooter> | ||
| <Button onClick={onClose} size={Button.Sizes.SMALL} color={Button.Colors.PRIMARY} look={Button.Looks.LINK}> | ||
| Close | ||
| </Button> | ||
| </ModalFooter> | ||
| </ModalRoot> | ||
| ); | ||
| } | ||
|
|
||
| export function openThemeOverrideModal(rawCssText: string, rawLink: string) { | ||
| openModal(modalProps => ( | ||
| <ThemeOverrideModal | ||
| {...modalProps} | ||
| rawCssText={rawCssText} | ||
| rawLink={rawLink} | ||
| /> | ||
| )); | ||
| } |
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