dekun
94 lines
2.9 KiB
JavaScript
94 lines
2.9 KiB
JavaScript
/* Copyright (c) 2025-2026 马建军. All rights reserved.
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* 专有软件 — 未经授权禁止复制、传播、转售。
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* 详见 LICENSE.zh-CN.txt
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*/
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(function () {
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var deferredPrompt = null;
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var installBtn = document.getElementById('pwa-install-btn');
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var iosHint = document.getElementById('pwa-ios-hint');
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function isStandalone() {
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return window.matchMedia('(display-mode: standalone)').matches
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|| window.navigator.standalone === true;
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}
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function isIOS() {
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return /iPad|iPhone|iPod/.test(navigator.userAgent)
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&& !window.MSStream;
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}
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function isTouchDevice() {
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return window.matchMedia('(hover: none) and (pointer: coarse)').matches
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|| window.matchMedia('(max-width: 1024px)').matches;
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}
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function updateThemeColor() {
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var meta = document.getElementById('meta-theme-color');
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if (!meta) return;
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var theme = document.documentElement.getAttribute('data-theme');
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meta.setAttribute('content', theme === 'light' ? '#e8eef8' : '#050508');
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}
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function showInstallBtn() {
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if (installBtn && !isStandalone()) {
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installBtn.hidden = false;
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}
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}
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function showIosHint() {
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if (iosHint && isIOS() && !isStandalone()) {
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iosHint.classList.add('show');
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}
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}
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if ('serviceWorker' in navigator) {
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window.addEventListener('load', function () {
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navigator.serviceWorker.register('/sw.js', { scope: '/' }).catch(function () { /* ignore */ });
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});
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}
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window.addEventListener('beforeinstallprompt', function (e) {
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e.preventDefault();
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deferredPrompt = e;
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showInstallBtn();
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});
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if (installBtn) {
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installBtn.addEventListener('click', function () {
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if (!deferredPrompt) {
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if (isIOS()) showIosHint();
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return;
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}
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deferredPrompt.prompt();
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deferredPrompt.userChoice.then(function () {
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deferredPrompt = null;
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installBtn.hidden = true;
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});
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});
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}
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window.addEventListener('appinstalled', function () {
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deferredPrompt = null;
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if (installBtn) installBtn.hidden = true;
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if (iosHint) iosHint.classList.remove('show');
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});
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document.addEventListener('DOMContentLoaded', function () {
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updateThemeColor();
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showIosHint();
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if (isStandalone()) {
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if (installBtn) installBtn.hidden = true;
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if (iosHint) iosHint.classList.remove('show');
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return;
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}
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if (isTouchDevice() && installBtn && deferredPrompt) {
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showInstallBtn();
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}
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});
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document.addEventListener('click', function (e) {
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var pick = e.target.closest('[data-theme-pick]');
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if (pick) setTimeout(updateThemeColor, 80);
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});
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})();
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