92 lines
3 KiB
TypeScript
92 lines
3 KiB
TypeScript
/*
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* Vencord, a modification for Discord's desktop app
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* Copyright (c) 2022 Vendicated and contributors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import { Settings, SettingsStore } from "@api/Settings";
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let style: HTMLStyleElement;
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let themesStyle: HTMLStyleElement;
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function createStyle(id: string) {
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const style = document.createElement("style");
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style.id = id;
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document.documentElement.append(style);
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return style;
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}
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async function initSystemValues() {
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const values = await VencordNative.themes.getSystemValues();
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const variables = Object.entries(values)
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.filter(([, v]) => v !== "#")
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.map(([k, v]) => `--${k}: ${v};`)
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.join("");
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createStyle("vencord-os-theme-values").textContent = `:root{${variables}}`;
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}
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export async function toggle(isEnabled: boolean) {
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if (!style) {
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if (isEnabled) {
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style = createStyle("vencord-custom-css");
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VencordNative.quickCss.addChangeListener(css => {
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style.textContent = css;
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// At the time of writing this, changing textContent resets the disabled state
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style.disabled = !Settings.useQuickCss;
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});
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style.textContent = await VencordNative.quickCss.get();
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}
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} else
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style.disabled = !isEnabled;
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}
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async function initThemes() {
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themesStyle ??= createStyle("vencord-themes");
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const { themeLinks, enabledThemes } = Settings;
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const links: string[] = [...themeLinks];
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if (IS_WEB) {
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for (const theme of enabledThemes) {
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const themeData = await VencordNative.themes.getThemeData(theme);
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if (!themeData) continue;
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const blob = new Blob([themeData], { type: "text/css" });
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links.push(URL.createObjectURL(blob));
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}
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} else {
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const localThemes = enabledThemes.map(theme => `vencord:///themes/${theme}?v=${Date.now()}`);
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links.push(...localThemes);
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}
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themesStyle.textContent = links.map(link => `@import url("${link.trim()}");`).join("\n");
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}
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document.addEventListener("DOMContentLoaded", () => {
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initSystemValues();
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initThemes();
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toggle(Settings.useQuickCss);
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SettingsStore.addChangeListener("useQuickCss", toggle);
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SettingsStore.addChangeListener("themeLinks", initThemes);
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SettingsStore.addChangeListener("enabledThemes", initThemes);
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if (!IS_WEB)
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VencordNative.quickCss.addThemeChangeListener(initThemes);
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});
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