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CSS 实现夜间模式; 代码是从贴吧抄的, 嗯 ... over; 由于该实现本质上是覆盖一层, 可能会有未知问题出现: 如 sortTable.js 拖拽无效
// ==UserScript==
// @name Dark++
// @namespace http://tampermonkey.net/
// @version 1.0
// @description CSS 实现夜间模式; 代码是从贴吧抄的, 嗯 ... over; 由于该实现本质上是覆盖一层, 可能会有未知问题出现: 如 sortTable.js 拖拽无效
// @description v0.5 增加 file://* 协议支持
// @description v0.6 通过修改 run-at: docuemnt-body 实现无感知增加遮罩层
// @description v0.7 增加延迟设置, 应对延迟载入内容的页面
// @description v0.8 修复因精度问题导致的透明度设置无效的问题
// @description v1.0 增加亮度同步功能, 在单个页面修改后在所有页面生效
// @icon https://gss0.baidu.com/7Ls0a8Sm2Q5IlBGlnYG/sys/portraith/item/feb81406?t=1435668917
// @author sven
// @include https://*
// @include http://*
// @include file://*
// @match .*
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_addValueChangeListener
// @run-at document-body
// ==/UserScript==
(function () {
'use strict';
const LOCAL_OPACITY_FIELD_NAME = 'dark_model_opacity' // 保存到本地的亮度 key
const m = document.createElement('div')
m.style.zIndex = '999999'
m.style.position = 'absolute'
m.style.height = '100vh'
m.style.width = '100vw'
m.style.position = 'fixed'
m.style.top = '0'
m.style.left = '-9999px'
m.id = 'dark-modal'
let opacity = GM_getValue(LOCAL_OPACITY_FIELD_NAME) || 0.4
const step = 0.05
const updateOpacity = opacityVal => m.style.outline = `rgba(0, 0, 0, ${opacity = opacityVal}) solid 10000px`
const setOpacity = ({ opa, add, sub } = {}) => {
let _opa = Number(opa || opacity) || 0
_opa = add
? _opa + step
: (sub ? (_opa - step) : _opa)
_opa = Math.max(0, _opa)
_opa = Math.min(1, _opa)
GM_setValue(LOCAL_OPACITY_FIELD_NAME, _opa.toFixed(2))
console.log('%c[Dark++ plugin] %copacity: ' + _opa.toFixed(2), 'color: teal;', 'color: #FFF;')
updateOpacity(_opa)
}
const init = () => {
let delay = localStorage.getItem('DARK_PLUS_PLUS_DELAY')
if (delay === null) {
document.body.append(m)
setOpacity()
} else {
delay = Number(delay)
delay = (isNaN(delay) || delay < 0 || !Number.isInteger(delay)) ? 0 : delay
setTimeout(() => {
document.body.append(m)
setOpacity()
}, delay)
}
// 增加监听函数, 当其他页面修改亮度时在当前页面同步更新
GM_addValueChangeListener(LOCAL_OPACITY_FIELD_NAME, (name, oldVal, val) => updateOpacity(val))
console.log(`%c[Dark++ plugin] delay: ${delay} | %c设置延迟载入遮罩层: %clocalStorage.setItem('DARK_PLUS_PLUS_DELAY', 200)`, 'color: teal', 'color: #FFF', 'color: #AAA')
}
const keyMap = {
81: () => setOpacity({ add: true }),
87: () => setOpacity({ sub: true })
}
init()
document.addEventListener('keydown', evt => {
keyMap[evt.keyCode] && keyMap[evt.keyCode](evt)
})
})();