// ==UserScript==
// @name        强制缩放与桌面模式
// @author      Lemon399
// @description 浏览器ua为手机ua时启用强制缩放，浏览器ua非手机ua时启用桌面模式，脚本菜单可以单独设置桌面模式宽度或全局宽度
// @match       *://*/*
// @exclude    https://sj.qq.com/*
// @grant       GM_registerMenuCommand
// @grant       GM_setValue
// @grant       GM_getValue
// @grant       GM_unsetValue
// @version     9.2
// @run-at     document-start
// @namespace   https://greasyfork.org/users/452911
// ==/UserScript==
const domain = window.location.hostname;
let globalViewportWidth = GM_getValue('globalViewportWidth', 1080);
let viewportWidth = GM_getValue(`viewportWidth_${domain}`, globalViewportWidth);
let userAgent = navigator.userAgent;
// 检查脚本是否启用
let scriptEnabled = GM_getValue('scriptEnabled', true);
function setViewportWidth(width) {
viewportWidth = width;
GM_setValue(`viewportWidth_${domain}`, width); // 将视口宽度与域名关联存储
autoChangeScale(); // 更新视口宽度后自动调整缩放比例
}
function setGlobalViewportWidth(width) {
globalViewportWidth = width;
GM_setValue('globalViewportWidth', width); // 设置全局视口宽度
if (!GM_getValue(`viewportWidth_${domain}`)) {
viewportWidth = width; // 更新当前网站的视口宽度，如果未单独设置过
}
autoChangeScale();
}
function autoChangeScale() {
if (!scriptEnabled) return; // 如果脚本禁用，则不执行缩放调整
const metaTag = document.querySelector('meta[name=viewport]');
if (metaTag) {
const isMobile =
userAgent.indexOf('Mobile') < 0 &&
userAgent.indexOf('SymbianOS') < 0 &&
userAgent.indexOf('SearchCraft') < 0;
metaTag.setAttribute('content', isMobile ? `width=${viewportWidth}` : 'width=device-width,initial-scale=1.0,maximum-scale=10.0,user-scalable=1');
}
}
autoChangeScale();
//监听url变化执行
history.pushState = ( f => function pushState(){
var ret = f.apply(this, arguments);
window.dispatchEvent(new Event('pushstate'));
window.dispatchEvent(new Event('urlchange'));
return ret;
})(history.pushState);
history.replaceState = ( f => function replaceState(){
var ret = f.apply(this, arguments);
window.dispatchEvent(new Event('replacestate'));
window.dispatchEvent(new Event('urlchange'));
return ret;
})(history.replaceState);
window.addEventListener('popstate',()=>{
window.dispatchEvent(new Event('urlchange'))
});
window.addEventListener('urlchange', function(event) {
window.setTimeout(autoChangeScale, 100);
});
//双指执行
document.addEventListener('touchmove', function(e) {
if (e.touches.length > 1) {
autoChangeScale();
}
});
//监听宽度变化
const mediaQuery = window.matchMedia(`(width: ${viewportWidth}px)`);
function handleViewportChange(event) {
if (!event.matches) {
autoChangeScale();
}
}
mediaQuery.addEventListener('change', handleViewportChange);
handleViewportChange(mediaQuery);
// 添加菜单命令
GM_registerMenuCommand('设置此网站视口宽度', function() {
const inputWidth = prompt('请输入视口宽度：', viewportWidth);
if (inputWidth) {
const parsedWidth = parseInt(inputWidth, 10);
if (!isNaN(parsedWidth)) {
setViewportWidth(parsedWidth);
} else {
alert('输入的宽度无效，请输入一个有效的数字！');
}
}
});
GM_registerMenuCommand('设置全局视口宽度', function() {
const inputWidth = prompt('请输入全局视口宽度：', globalViewportWidth);
if (inputWidth) {
const parsedWidth = parseInt(inputWidth, 10);
if (!isNaN(parsedWidth)) {
setGlobalViewportWidth(parsedWidth);
} else {
alert('输入的宽度无效，请输入一个有效的数字！');
}
}
});
// 启用/禁用脚本菜单命令
GM_registerMenuCommand(scriptEnabled ? '在此网站禁用' : '在此网站启用', function() {
scriptEnabled = !scriptEnabled;
GM_setValue('scriptEnabled', scriptEnabled);
if (scriptEnabled) {
autoChangeScale(); // 启用脚本并立即应用设置
GM_registerMenuCommand('在此网站禁用', function() {
GM_setValue('scriptEnabled', false);
location.reload(); // 禁用脚本并刷新页面
});
} else {
GM_registerMenuCommand('在此网站启用', function() {
GM_setValue('scriptEnabled', true);
autoChangeScale(); // 启用脚本并立即应用设置
});
}
});