// ==UserScript==
// @name         视频控制栏0.2秒消失
// @namespace    http://tampermonkey.net/
// @version      5.0
// @description  视频控制栏加快消失，鼠标静止0.2秒和移开视频区域生效。
// @author       you
// @match        *://*/*
// @grant        none
// @run-at       document-start
// ==/UserScript==

(() => {
    const IDLE = 200;            // 静止多久后锁死
    let   timer = null;
    let   lastMv  = 0;

    /* 通用选择器 */
    const SEL = [
        '.bilibili-player-control-wrap','.bpx-player-control-wrap','.txp_controls',
        '.prism-controlbar','.ytp-chrome-bottom','.vjs-control-bar','.dplayer-controller',
        '.control-bar','.controls','.video-controls'
    ].join(',');

    /* 遍历 shadowRoot */
    const eachBar = (fn, root=document) => {
        root.querySelectorAll(SEL).forEach(fn);
        root.querySelectorAll('*').forEach(el=>{
            if(el.shadowRoot) eachBar(fn, el.shadowRoot);
        });
    };

    /* 锁/解锁函数 */
    function lock()   {
        eachBar(bar => {
            bar.dataset.locked = 1;
            bar.style.opacity = '0';
            bar.style.pointerEvents = 'none';
        });
    }
    function unlock() {
        eachBar(bar => {
            delete bar.dataset.locked;
            bar.style.opacity = '';
            bar.style.pointerEvents = '';
        });
    }

    /* 监听鼠标 */
    function onMove() {
        lastMv = Date.now();
        clearTimeout(timer);
        unlock();
        timer = setTimeout(lock, IDLE);
    }
    document.addEventListener('mousemove', onMove, {passive:true});
    document.addEventListener('mouseleave', ()=>{clearTimeout(timer); lock();}, {passive:true});

    /* 样式写入保护：只要 locked=1 就强制改回 0 */
    setInterval(()=>{
        eachBar(bar=>{
            if(bar.dataset.locked && bar.style.opacity!=='0'){
                bar.style.opacity='0';
                bar.style.pointerEvents='none';
            }
        });
    }, 50);   // 50ms 一次，足够快

    /* 初始 */
    onMove();
})();