Files
qihuo/static/js/theme.js
T

62 lines
2.0 KiB
JavaScript

/* Copyright (c) 2025-2026 马建军. All rights reserved.
* 专有软件 — 未经授权禁止复制、传播、转售。
* 详见 LICENSE.zh-CN.txt
*/
(function () {
var KEY = 'qihuo-theme';
function updateButtons(theme) {
document.querySelectorAll('[data-theme-pick]').forEach(function (btn) {
var pick = btn.getAttribute('data-theme-pick');
var on = pick === theme;
btn.classList.toggle('active', on);
btn.setAttribute('aria-pressed', on ? 'true' : 'false');
});
}
function apply(theme) {
if (theme !== 'light' && theme !== 'dark') {
theme = 'dark';
}
document.documentElement.setAttribute('data-theme', theme);
document.documentElement.style.colorScheme = theme;
document.documentElement.style.background = theme === 'light' ? '#e8eef8' : '#050508';
try {
localStorage.setItem(KEY, theme);
} catch (e) { /* ignore */ }
updateButtons(theme);
var meta = document.getElementById('meta-theme-color');
if (meta) meta.setAttribute('content', theme === 'light' ? '#e8eef8' : '#050508');
}
var saved = null;
try {
saved = localStorage.getItem(KEY);
} catch (e) { /* ignore */ }
if (saved === 'light' || saved === 'dark') {
apply(saved);
} else {
var prefersLight = window.matchMedia && window.matchMedia('(prefers-color-scheme: light)').matches;
apply(prefersLight ? 'light' : 'dark');
}
document.addEventListener('click', function (e) {
var btn = e.target.closest('[data-theme-pick]');
if (!btn) return;
e.preventDefault();
apply(btn.getAttribute('data-theme-pick'));
});
function syncButtons() {
var cur = document.documentElement.getAttribute('data-theme') || 'dark';
updateButtons(cur);
}
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', syncButtons);
} else {
syncButtons();
}
})();