Vencord/src/utils/quickCss.ts
V 9aa205b5ec
rewrite settings api to use SettingsStore class (#2257)
Co-authored-by: Nuckyz <61953774+Nuckyz@users.noreply.github.com>
2024-03-13 21:45:45 +01:00

91 lines
3 KiB
TypeScript

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