HTML5 Video Player Enhance

To enhance the functionality of HTML5 Video Player (h5player) supporting all websites using shortcut keys similar to PotPlayer.
当前为 2021-06-22 提交的版本，查看最新版本。
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// ==UserScript==
// @name         HTML5 Video Player Enhance
// @version      2.9.4.4
// @description  To enhance the functionality of HTML5 Video Player (h5player) supporting all websites using shortcut keys similar to PotPlayer.
// @author       CY Fung
// @match        http://*/*
// @match        https://*/*
// @run-at       document-start
// @require https://cdnjs.cloudflare.com/ajax/libs/js-sha256/0.9.0/sha256.min.js
// @require https://cdnjs.cloudflare.com/ajax/libs/mathjs/9.3.2/math.js
// @namespace https://greasyfork.org/users/371179
// @grant   GM_getValue
// @grant   GM_setValue
// @grant   GM_addStyle
// @grant   unsafeWindow
// ==/UserScript==
/**
 * Remarks
 * This script support modern browser only with ES6+.
 * fullscreen and pointerLock   buggy in shadowRoot
 * Space Pause not success
 * shift F key issue
 **/
!(function($winUnsafe, $winSafe) {
    'use strict';
 
    const window = $winUnsafe || $winSafe
    const document = window.document
    const $$uWin = $winUnsafe || $winSafe;
 
    const $rAf = $$uWin.requestAnimationFrame;
    const $cAf = $$uWin.cancelAnimationFrame;
 
 
    const $$setTimeout = $$uWin.setTimeout
    const $$clearTimeout = $$uWin.clearTimeout
    const $$requestAnimationFrame = $$uWin.requestAnimationFrame;
    const $$cancelAnimationFrame = $$uWin.cancelAnimationFrame;
 
    const $qmt = ($$uWin.queueMicrotask ? $$uWin.queueMicrotask : function(callback) {
        Promise.resolve()
            .then(callback)
            .catch(e => setTimeout(() => {
                throw e;
            })); // report exceptions
    }).bind($$uWin)
 
    const $bz = {
        boosted: false
    }
 
 
    window.setTimeout = function() {
        let f = arguments[0]
        let d = arguments[1] || 0;
        if ($bz.boosted && typeof f == 'function' && arguments.length <= 2) {
            // f : function  arguments.length = 1 or 2
            // setTimeout(f,d)
 
            if (d < 40) return (($$requestAnimationFrame.call(this, f) << 1) | 1) || 0;
            return ($$setTimeout.call(this, f, d) << 1) || 0;
 
        }
        return ($$setTimeout.apply(this, arguments) << 1) || 0
    }
 
    window.clearTimeout = function() {
        const kid = arguments[0]
        const cid = kid >> 1;
        if (cid > 0) {
            if (kid & 1) {
                $$cancelAnimationFrame.call(this, cid);
            } else {
                $$clearTimeout.call(this, cid)
            }
        }
    }
 
 
    const $ws = {
            requestAnimationFrame,
            cancelAnimationFrame,
            MutationObserver,
            setInterval,
            clearInterval,
            EventTarget
        }
        //throw Error if your browser is too outdated. (eg ES6 script, no such window object)
 
 
        !(function $$() {
            'use strict';
 
            if (!document || !document.documentElement) return window.requestAnimationFrame($$);
 
            const setTimeout = window.setTimeout
            const clearTimeout = window.clearTimeout
 
            const prettyElm = function(elm) {
                if (!elm || !elm.nodeName) return null;
                const eId = elm.id || null;
                const eClsName = elm.className || null;
                return [elm.nodeName.toLowerCase(), typeof eId == 'string' ? "#" + eId : '', typeof eClsName == 'string' ? '.' + eClsName.replace(/\s+/g, '.') : ''].join('').trim();
            }
 
            const delayCall = function(p, f, d) {
                if (delayCall[p] > 0) clearTimeout(delayCall[p])
                delayCall[p] = setTimeout(f, d)
            }
 
            HTMLVideoElement.prototype.__isPlaying = function() {
                const video = this;
                return video.currentTime > 0 && !video.paused && !video.ended && video.readyState > video.HAVE_CURRENT_DATA;
            }
 
 
 
            let _debug_h5p_logging_ = false;
 
            try {
                _debug_h5p_logging_ = +window.localStorage.getItem('_h5_player_sLogging_') > 0
            } catch (e) {}
 
 
 
            const SHIFT = 1;
            const CTRL = 2;
            const ALT = 4;
            const TERMINATE = 0x842;
            const _sVersion_ = 1817;
            const str_postMsgData = '__postMsgData__'
            const DOM_ACTIVE_FOUND = 1;
            const DOM_ACTIVE_SRC_LOADED = 2;
            const DOM_ACTIVE_ONCE_PLAYED = 4;
            const DOM_ACTIVE_MOUSE_CLICK = 8;
            const DOM_ACTIVE_MOUSE_IN = 16;
            const DOM_ACTIVE_DELAYED_PAUSED = 32;
            const DOM_ACTIVE_INVALID_PARENT = 2048;
 
            var console = {};
 
            console.log = function() {
                window.console.log(...['[h5p]', ...arguments])
            }
            console.error = function() {
                window.console.error(...['[h5p]', ...arguments])
            }
 
            function makeNoRoot(shadowRoot) {
                const doc = shadowRoot.ownerDocument || document;
                const htmlInShadowRoot = doc.createElement('noroot'); // pseudo element
                const childNodes = [...shadowRoot.childNodes]
                shadowRoot.insertBefore(htmlInShadowRoot, shadowRoot.firstChild)
                for (const childNode of childNodes) htmlInShadowRoot.appendChild(childNode);
                return shadowRoot.querySelector('noroot');
            }
 
            let _endlessloop = null;
            const isIframe = (window.top !== window.self && window.top && window.self);
            const shadowRoots = [];
 
            const _getRoot = Element.prototype.getRootNode || HTMLElement.prototype.getRootNode || function() {
                let elm = this;
                while (elm) {
                    if ('host' in elm) return elm;
                    elm = elm.parentNode;
                }
                return elm;
            }
 
            const getRoot = (elm) => _getRoot.call(elm);
 
            const isShadowRoot = (elm) => (elm && ('host' in elm)) ? elm.nodeType == 11 && !!elm.host && elm.host.nodeType == 1 : null; //instanceof ShadowRoot
 
 
            const domAppender = (d) => d.querySelector('head') || d.querySelector('html') || d.querySelector('noroot') || null;
 
            const playerConfs = {}
 
            const hanlderResizeVideo = (entries) => {
                const detected_changes = {};
                for (let entry of entries) {
                    const player = entry.target.nodeName == "VIDEO" ? entry.target : entry.target.querySelector("VIDEO[_h5ppid]");
                    if (!player) continue;
                    const vpid = player.getAttribute('_h5ppid');
                    if (!vpid) continue;
                    if (vpid in detected_changes) continue;
                    detected_changes[vpid] = true;
                    const wPlayer = $hs.getPlayerBlockElement(player, true)
                    if (!wPlayer) continue;
                    const layoutBox = wPlayer.parentNode
                    if (!layoutBox) continue;
                    const tipsDom = layoutBox.querySelector('[_potTips_]');
                    if (!tipsDom) continue;
 
                    $hs.fixNonBoxingVideoTipsPosition(tipsDom, player);
                    window.requestAnimationFrame(() => $hs.fixNonBoxingVideoTipsPosition(tipsDom, player))
 
                }
            };
 
            const $mb = {
 
 
                nightly_isSupportQueueMicrotask: function() {
 
                    if ('_isSupportQueueMicrotask' in $mb) return $mb._isSupportQueueMicrotask;
 
                    $mb._isSupportQueueMicrotask = false;
                    $mb.queueMicrotask = window.queueMicrotask;
                    if (typeof $mb.queueMicrotask == 'function') {
                        $mb._isSupportQueueMicrotask = true;
                    }
 
                    return $mb._isSupportQueueMicrotask;
 
                },
 
                stable_isSupportAdvancedEventListener: function() {
 
                    if ('_isSupportAdvancedEventListener' in $mb) return $mb._isSupportAdvancedEventListener
                    let prop = 0;
                    document.createAttribute('z').addEventListener('z', () => 0, {
                        get passive() {
                            prop++;
                        },
                        get once() {
                            prop++;
                        }
                    });
                    return ($mb._isSupportAdvancedEventListener = (prop == 2));
                },
 
                stable_isSupportPassiveEventListener: function() {
 
                    if ('_isSupportPassiveEventListener' in $mb) return $mb._isSupportPassiveEventListener
                    let prop = 0;
                    document.createAttribute('z').addEventListener('z', () => 0, {
                        get passive() {
                            prop++;
                        }
                    });
                    return ($mb._isSupportPassiveEventListener = (prop == 1));
                },
 
                eh_capture_passive: () => ($mb._eh_capture_passive = $mb._eh_capture_passive || ($mb.stable_isSupportPassiveEventListener() ? {
                    capture: true,
                    passive: true
                } : true)),
 
                eh_bubble_passive: () => ($mb._eh_capture_passive = $mb._eh_capture_passive || ($mb.stable_isSupportPassiveEventListener() ? {
                    capture: false,
                    passive: true
                } : false))
 
            }
 
 
 
            Element.prototype.__matches__ = (Element.prototype.matches || Element.prototype.matchesSelector ||
                Element.prototype.mozMatchesSelector || Element.prototype.msMatchesSelector ||
                Element.prototype.oMatchesSelector || Element.prototype.webkitMatchesSelector ||
                Element.prototype.matches()); // throw Error if not supported
 
            //  built-in hash - https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto/digest
            async function digestMessage(message) {
                return $winSafe.sha256(message)
            }
 
            const dround = (x) => ~~(x + .5);
 
            const jsonStringify_replacer = function(key, val) {
                if (val && (val instanceof Element || val instanceof Document)) return val.toString();
                return val; // return as is
            };
 
            const jsonParse = function() {
                try {
                    return JSON.parse.apply(this, arguments)
                } catch (e) {}
                return null;
            }
            const jsonStringify = function(obj) {
                try {
                    return JSON.stringify.call(this, obj, jsonStringify_replacer)
                } catch (e) {}
                return null;
            }
 
            function _postMsg() {
                //async is needed. or error handling for postMessage
                const [win, tag, ...data] = arguments;
                if (typeof tag == 'string') {
                    let postMsgObj = {
                        tag,
                        passing: true,
                        winOrder: _postMsg.a
                    }
                    try {
                        let k = 'msg-' + (+new Date)
                        win.document[str_postMsgData] = win.document[str_postMsgData] || {}
                        win.document[str_postMsgData][k] = data; //direct
                        postMsgObj.str = k;
                        postMsgObj.stype = 1;
                    } catch (e) {}
                    if (!postMsgObj.stype) {
                        postMsgObj.str = jsonStringify({
                            d: data
                        })
                        if (postMsgObj.str && postMsgObj.str.length) postMsgObj.stype = 2;
                    }
                    if (!postMsgObj.stype) {
                        postMsgObj.str = "" + data;
                        postMsgObj.stype = 0;
                    }
                    win.postMessage(postMsgObj, '*');
                }
 
            }
 
            function postMsg() {
                let win = window;
                let a = 0;
                while ((win = win.parent) && ('postMessage' in win)) {
                    _postMsg.a = ++a;
                    _postMsg(win, ...arguments)
                    if (win == top) break;
                }
            }
 
 
            function crossBrowserTransition(type) {
                if (crossBrowserTransition['_result_' + type]) return crossBrowserTransition['_result_' + type]
                let el = document.createElement("fakeelement");
 
                const capital = (x) => x[0].toUpperCase() + x.substr(1);
                const capitalType = capital(type);
 
                const transitions = {
                    [type]: `${type}end`,
                    [`O${capitalType}`]: `o${capitalType}End`,
                    [`Moz${capitalType}`]: `${type}end`,
                    [`Webkit${capitalType}`]: `webkit${capitalType}End`,
                    [`MS${capitalType}`]: `MS${capitalType}End`
                }
 
                for (let styleProp in transitions) {
                    if (el.style[styleProp] !== undefined) {
                        return (crossBrowserTransition['_result_' + type] = transitions[styleProp]);
                    }
                }
            }
 
            function isInOperation(elm) {
                let elmInFocus = elm || document.activeElement;
                if (!elmInFocus) return false;
                let res1 = elmInFocus.__matches__(
                    'a[href],link[href],button,input:not([type="hidden"]),select,textarea,iframe,frame,menuitem,[draggable],[contenteditable]'
                );
                return res1;
            }
 
            const fn_toString = (f, n = 50) => {
                let s = (f + "");
                if (s.length > 2 * n + 5) {
                    s = s.substr(0, n) + ' ... ' + s.substr(-n);
                }
                return s
            };
 
            function consoleLog() {
                if (!_debug_h5p_logging_) return;
                if (isIframe) postMsg('consoleLog', ...arguments);
                else console.log.apply(console, arguments);
            }
 
            function consoleLogF() {
                if (isIframe) postMsg('consoleLog', ...arguments);
                else console.log.apply(console, arguments);
            }
 
            class AFLooperArray extends Array {
                constructor() {
                    super();
                    this.activeLoopsCount = 0;
                    this.cid = 0;
                    this.loopingFrame = this.loopingFrame.bind(this);
                }
 
                loopingFrame() {
                    if (!this.cid) return; //cancelled
                    for (const opt of this) {
                        if (opt.isFunctionLooping) opt.fn();
                    }
                }
 
                get isArrayLooping() {
                    return this.cid > 0;
                }
 
                loopStart() {
                    this.cid = $ws.setInterval(this.loopingFrame, 300);
                }
                loopStop() {
                    if (this.cid) $ws.clearInterval(this.cid);
                    this.cid = 0;
                }
                appendLoop(fn) {
                    if (typeof fn != 'function' || !this) return;
                    const opt = new AFLooperFunc(fn, this);
                    super.push(opt);
                    return opt;
                }
            }
 
            class AFLooperFunc {
                constructor(fn, bind) {
                    this._looping = false;
                    this.bind = bind;
                    this.fn = fn;
                }
                get isFunctionLooping() {
                    return this._looping;
                }
                loopingStart() {
                    if (this._looping === false) {
                        this._looping = true;
                        if (++this.bind.activeLoopsCount == 1) this.bind.loopStart();
                    }
                }
                loopingStop() {
                    if (this._looping === true) {
                        this._looping = false;
                        if (--this.bind.activeLoopsCount == 0) this.bind.loopStop();
                    }
                }
            }
 
            function decimalEqual(a, b) {
                return Math.round(a * 100000000) == Math.round(b * 100000000)
            }
 
            function nonZeroNum(a) {
                return a > 0 || a < 0;
            }
 
            class PlayerConf {
 
                get scaleFactor() {
                    return this.mFactor * this.vFactor;
                }
 
                cssTransform() {
 
                    const playerConf = this;
                    const player = playerConf.domElement;
                    if (!player) return;
                    const videoScale = playerConf.scaleFactor;
 
                    let {
                        x,
                        y
                    } = playerConf.translate;
 
                    let [_x, _y] = ((playerConf.rotate % 180) == 90) ? [y, x] : [x, y];
 
 
                    if ((playerConf.rotate % 360) == 270) _x = -_x;
                    if ((playerConf.rotate % 360) == 90) _y = -_y;
 
                    var s = [
                        playerConf.rotate > 0 ? 'rotate(' + playerConf.rotate + 'deg)' : '',
                        !decimalEqual(videoScale, 1.0) ? 'scale(' + videoScale + ')' : '',
                        (nonZeroNum(_x) || nonZeroNum(_y)) ? `translate(${_x}px, ${_y}px)` : '',
                    ];
 
                    player.style.transform = s.join(' ').trim()
 
                }
 
                constructor() {
 
                    this.translate = {
                        x: 0,
                        y: 0
                    };
                    this.rotate = 0;
                    this.mFactor = 1.0;
                    this.vFactor = 1.0;
                    this.fps = 30;
                    this.filter_key = {};
                    this.filter_view_units = {
                        'hue-rotate': 'deg',
                        'blur': 'px'
                    };
                    this.filterReset();
 
                }
 
                setFilter(prop, f) {
 
                    let oldValue = this.filter_key[prop];
                    if (typeof oldValue != 'number') return;
                    let newValue = f(oldValue)
                    if (oldValue != newValue) {
 
                        newValue = +newValue.toFixed(6); //javascript bug
 
                    }
 
                    this.filter_key[prop] = newValue
                    this.filterSetup();
 
                    return newValue;
 
 
 
                }
 
                filterSetup(options) {
 
                    let ums = GM_getValue("unsharpen_mask")
                    if (!ums) ums = ""
 
                    let view = []
                    let playerElm = $hs.player();
                    if (!playerElm) return;
                    for (let view_key in this.filter_key) {
                        let filter_value = +((+this.filter_key[view_key] || 0).toFixed(3))
                        let addTo = true;
                        switch (view_key) {
                            case 'brightness':
                                /* fall through */
                            case 'contrast':
                                /* fall through */
                            case 'saturate':
                                if (decimalEqual(filter_value, 1.0)) addTo = false;
                                break;
                            case 'hue-rotate':
                                /* fall through */
                            case 'blur':
                                if (decimalEqual(filter_value, 0.0)) addTo = false;
                                break;
                        }
                        let view_unit = this.filter_view_units[view_key] || ''
                        if (addTo) view.push(`${view_key}(${filter_value}${view_unit})`)
                        this.filter_key[view_key] = Number(+this.filter_key[view_key] || 0)
                    }
                    if (ums) view.push(`url("#_h5p_${ums}")`);
                    if (options && options.grey) view.push('url("#grey1")');
                    playerElm.style.filter = view.join(' ').trim(); //performance in firefox is bad
                }
 
                filterReset() {
                    this.filter_key['brightness'] = 1.0
                    this.filter_key['contrast'] = 1.0
                    this.filter_key['saturate'] = 1.0
                    this.filter_key['hue-rotate'] = 0.0
                    this.filter_key['blur'] = 0.0
                    this.filterSetup()
                }
 
            }
 
            const Store = {
                prefix: '_h5_player',
                save: function(k, v) {
                    if (!Store.available()) return false;
                    if (typeof v != 'string') return false;
                    Store.LS.setItem(Store.prefix + k, v)
                    let sk = fn_toString(k + "", 30);
                    let sv = fn_toString(v + "", 30);
                    consoleLog(`localStorage Saved "${sk}" = "${sv}"`)
                    return true;
 
                },
                read: function(k) {
                    if (!Store.available()) return false;
                    let v = Store.LS.getItem(Store.prefix + k)
                    let sk = fn_toString(k + "", 30);
                    let sv = fn_toString(v + "", 30);
                    consoleLog(`localStorage Read "${sk}" = "${sv}"`);
                    return v;
 
                },
                remove: function(k) {
 
                    if (!Store.available()) return false;
                    Store.LS.removeItem(Store.prefix + k)
                    let sk = fn_toString(k + "", 30);
                    consoleLog(`localStorage Removed "${sk}"`)
                    return true;
                },
                clearInvalid: function(sVersion) {
                    if (!Store.available()) return false;
 
                    //let sVersion=1814;
                    if (+Store.read('_sVersion_') < sVersion) {
                        Store._keys()
                            .filter(s => s.indexOf(Store.prefix) === 0)
                            .forEach(key => window.localStorage.removeItem(key))
                        Store.save('_sVersion_', sVersion + '')
                        return 2;
                    }
                    return 1;
 
                },
                available: function() {
                    if (Store.LS) return true;
                    if (!window) return false;
                    const localStorage = window.localStorage;
                    if (!localStorage) return false;
                    if (typeof localStorage != 'object') return false;
                    if (!('getItem' in localStorage)) return false;
                    if (!('setItem' in localStorage)) return false;
                    Store.LS = localStorage;
                    return true;
 
                },
                _keys: function() {
                    return Object.keys(localStorage);
                },
                _setItem: function(key, value) {
                    return localStorage.setItem(key, value)
                },
                _getItem: function(key) {
                    return localStorage.getItem(key)
                },
                _removeItem: function(key) {
                    return localStorage.removeItem(key)
                }
 
            }
 
            const domTool = {
                nopx: (x) => +x.replace('px', ''),
                cssWH: function(m, r) {
                    if (!r) r = getComputedStyle(m, null);
                    let c = (x) => +x.replace('px', '');
                    return {
                        w: m.offsetWidth || c(r.width),
                        h: m.offsetHeight || c(r.height)
                    }
                },
                _isActionBox_1: function(vEl, pEl) {
 
                    const vElCSS = domTool.cssWH(vEl);
                    let vElCSSw = vElCSS.w;
                    let vElCSSh = vElCSS.h;
 
                    let vElx = vEl;
                    const res = [];
                    //let mLevel = 0;
                    if (vEl && pEl && vEl != pEl && pEl.contains(vEl)) {
                        while (vElx && vElx != pEl) {
                            vElx = vElx.parentNode;
                            let vElx_css = null;
                            if (isShadowRoot(vElx)) {} else {
                                vElx_css = getComputedStyle(vElx, null);
                                let vElx_wp = domTool.nopx(vElx_css.paddingLeft) + domTool.nopx(vElx_css.paddingRight)
                                vElCSSw += vElx_wp
                                let vElx_hp = domTool.nopx(vElx_css.paddingTop) + domTool.nopx(vElx_css.paddingBottom)
                                vElCSSh += vElx_hp
                            }
                            res.push({
                                //level: ++mLevel,
                                padW: vElCSSw,
                                padH: vElCSSh,
                                elm: vElx,
                                css: vElx_css
                            })
 
                        }
                    }
 
                    // in the array, each item is the parent of video player
                    //res.vEl_cssWH = vElCSS
 
                    return res;
 
                },
                _isActionBox: function(vEl, walkRes, pEl_idx) {
 
                    function absDiff(w1, w2, h1, h2) {
                        const w = (w1 - w2),
                            h = h1 - h2;
                        return [(w > 0 ? w : -w), (h > 0 ? h : -h)]
                    }
 
                    function midPoint(rect) {
                        return {
                            x: (rect.left + rect.right) / 2,
                            y: (rect.top + rect.bottom) / 2
                        }
                    }
 
                    const parentCount = walkRes.length;
                    if (pEl_idx >= 0 && pEl_idx < parentCount) {} else {
                        return;
                    }
                    const pElr = walkRes[pEl_idx]
                    if (!pElr.css) {
                        //shadowRoot
                        return true;
                    }
 
                    const pEl = pElr.elm;
 
                    //prevent activeElement==body
                    const pElCSS = domTool.cssWH(pEl, pElr.css);
 
                    //check prediction of parent dimension
                    const d1v = absDiff(pElCSS.w, pElr.padW, pElCSS.h, pElr.padH)
 
                    const d1x = d1v[0] < 10
                    const d1y = d1v[1] < 10;
 
                    if (d1x && d1y) return true; //both edge along the container   -  fit size
                    if (!d1x && !d1y) return false; //no edge along the container     -  body contain the video element, fixed width&height
 
                    //case: youtube video fullscreen
 
                    //check centre point
 
                    const pEl_rect = pEl.getBoundingClientRect()
                    const vEl_rect = vEl.getBoundingClientRect()
 
                    const pEl_center = midPoint(pEl_rect)
                    const vEl_center = midPoint(vEl_rect)
 
                    const d2v = absDiff(pEl_center.x, vEl_center.x, pEl_center.y, vEl_center.y);
 
                    const d2x = d2v[0] < 10;
                    const d2y = d2v[1] < 10;
 
                    return (d2x && d2y);
 
                },
                getRect: function(element) {
                    let rect = element.getBoundingClientRect();
                    let scroll = domTool.getScroll();
                    return {
                        pageX: rect.left + scroll.left,
                        pageY: rect.top + scroll.top,
                        screenX: rect.left,
                        screenY: rect.top
                    };
                },
                getScroll: function() {
                    return {
                        left: document.documentElement.scrollLeft || document.body.scrollLeft,
                        top: document.documentElement.scrollTop || document.body.scrollTop
                    };
                },
                getClient: function() {
                    return {
                        width: document.compatMode == 'CSS1Compat' ? document.documentElement.clientWidth : document.body.clientWidth,
                        height: document.compatMode == 'CSS1Compat' ? document.documentElement.clientHeight : document.body.clientHeight
                    };
                },
                addStyle: //GM_addStyle,
                    function(css, head) {
                        if (!head) {
                            let _doc = document.documentElement;
                            head = domAppender(_doc);
                        }
                        let doc = head.ownerDocument;
                        let style = doc.createElement('style');
                        style.type = 'text/css';
                        style.textContent = css;
                        head.appendChild(style);
                        //console.log(document.head,style,'add style')
                        return style;
                    },
                eachParentNode: function(dom, fn) {
                    let parent = dom.parentNode
                    while (parent) {
                        let isEnd = fn(parent, dom)
                        parent = parent.parentNode
                        if (isEnd) {
                            break
                        }
                    }
                },
 
                hideDom: function hideDom(selector) {
                    let dom = document.querySelector(selector)
                    if (dom) {
                        $ws.requestAnimationFrame(function() {
                            dom.style.opacity = 0;
                            dom.style.transform = 'translate(-9999px)';
                            dom = null;
                        })
                    }
                }
            };
 
            const handle = {
 
 
                afPlaybackRecording: async function() {
                    const opts = this;
 
                    let qTime = +new Date;
                    if (qTime >= opts.pTime) {
                        opts.pTime = qTime + opts.timeDelta; //prediction of next Interval
                        opts.savePlaybackProgress()
                    }
 
                },
                savePlaybackProgress: function() {
 
                    //this refer to endless's opts
                    let player = this.player;
 
                    let _uid = this.player_uid; //_h5p_uid_encrypted
                    if (!_uid) return;
 
                    let shallSave = true;
                    let currentTimeToSave = ~~player.currentTime;
 
                    if (this._lastSave == currentTimeToSave) shallSave = false;
 
                    if (shallSave) {
 
                        this._lastSave = currentTimeToSave
 
                        //console.log('aasas',this.player_uid, shallSave, '_play_progress_'+_uid, currentTimeToSave)
 
                        Store.save('_play_progress_' + _uid, jsonStringify({
                            't': currentTimeToSave
                        }))
 
                    }
                    //console.log('playback logged')
 
                },
                playingWithRecording: function() {
                    let player = this.player;
                    if (!player.paused && !this.isFunctionLooping) {
                        let player = this.player;
                        let _uid = player.getAttribute('_h5p_uid_encrypted') || ''
                        if (_uid) {
                            this.player_uid = _uid;
                            this.pTime = 0;
                            this.loopingStart();
                        }
                    }
                }
 
            };
 
            class Momentary extends Map {
                act(uniqueId, fn_start, fn_end, delay) {
                    if (!uniqueId) return;
                    uniqueId = uniqueId + "";
                    const last_cid = this.get(uniqueId);
                    if (last_cid > 0) clearTimeout(last_cid);
                    fn_start();
                    const new_cid = setTimeout(fn_end, delay)
                    this.set(uniqueId, new_cid)
                }
            }
 
            const momentary = new Momentary();
 
            const $hs = {
 
                /* 提示文本的字號 */
                fontSize: 16,
                enable: true,
                playerInstance: null,
                playbackRate: 1,
                /* 快進快退步長 */
                skipStep: 5,
 
                /* 獲取當前播放器的實例 */
                player: function() {
                    let res = $hs.playerInstance || null;
                    if (res && res.parentNode == null) {
                        $hs.playerInstance = null;
                        res = null;
                    }
 
                    if (res == null) {
                        for (let k in playerConfs) {
                            let playerConf = playerConfs[k];
                            if (playerConf && playerConf.domElement && playerConf.domElement.parentNode) return playerConf.domElement;
                        }
                    }
                    return res;
                },
 
                pictureInPicture: function(videoElm) {
                    if (document.pictureInPictureElement) {
                        document.exitPictureInPicture();
                    } else if ('requestPictureInPicture' in videoElm) {
                        videoElm.requestPictureInPicture()
                    } else {
                        $hs.tips('PIP is not supported.');
                    }
                },
 
                getPlayerConf: function(video) {
 
                    if (!video) return null;
                    let vpid = video.getAttribute('_h5ppid') || null;
                    if (!vpid) return null;
                    return playerConfs[vpid] || null;
 
                },
                debug01: function(evt, videoActive) {
 
                    if (!$hs.eventHooks) {
                        document.__h5p_eventhooks = ($hs.eventHooks = {
                            _debug_: []
                        });
                    }
                    $hs.eventHooks._debug_.push([videoActive, evt.type]);
                    // console.log('h5p eventhooks = document.__h5p_eventhooks')
                },
 
                swtichPlayerInstance: function() {
 
                    let newPlayerInstance = null;
                    const ONLY_PLAYING_NONE = 0x4A00;
                    const ONLY_PLAYING_MORE_THAN_ONE = 0x5A00;
                    let onlyPlayingInstance = ONLY_PLAYING_NONE;
                    for (let k in playerConfs) {
                        let playerConf = playerConfs[k] || {};
                        let {
                            domElement,
                            domActive
                        } = playerConf;
                        if (domElement) {
                            if (domActive & DOM_ACTIVE_INVALID_PARENT) continue;
                            if (!domElement.parentNode) {
                                playerConf.domActive |= DOM_ACTIVE_INVALID_PARENT;
                                continue;
                            }
                            if (domActive & DOM_ACTIVE_MOUSE_CLICK) {
                                newPlayerInstance = domElement
                                break;
                            }
                            if (domActive & DOM_ACTIVE_ONCE_PLAYED && (domActive & DOM_ACTIVE_DELAYED_PAUSED) == 0) {
                                if (onlyPlayingInstance == ONLY_PLAYING_NONE) onlyPlayingInstance = domElement;
                                else onlyPlayingInstance = ONLY_PLAYING_MORE_THAN_ONE;
                            }
                        }
                    }
                    if (newPlayerInstance == null && onlyPlayingInstance.nodeType == 1) {
                        newPlayerInstance = onlyPlayingInstance;
                    }
 
                    $hs.playerInstance = newPlayerInstance
 
 
                },
 
                mouseMoveCount: 0,
 
                handlerVideoPlaying: function(evt) {
                    const videoElm = evt.target || this || null;
 
                    if (!videoElm || videoElm.nodeName != "VIDEO") return;
 
                    const vpid = videoElm.getAttribute('_h5ppid')
 
                    if (!vpid) return;
 
 
 
                    Promise.resolve().then(() => {
 
                        if ($hs.cid_playHook > 0) clearTimeout($hs.cid_playHook);
                        $hs.cid_playHook = setTimeout(function() {
                            let onlyPlayed = null;
                            for (var k in playerConfs) {
                                if (k == vpid) {
                                    if (playerConfs[k].domElement.paused === false) onlyPlayed = true;
                                } else if (playerConfs[k].domElement.paused === false) {
                                    onlyPlayed = false;
                                    break;
                                }
                            }
                            if (onlyPlayed === true) {
                                $hs.focusHookVDoc = getRoot(videoElm)
                                $hs.focusHookVId = vpid
                            }
                            $bv.boostVideoPerformanceActivate();
 
                        }, 100)
 
                    }).then(() => {
 
                        const playerConf = $hs.getPlayerConf(videoElm)
 
                        $hs._actionBoxObtain(videoElm);
                        if (playerConf) {
                            if (playerConf.timeout_pause > 0) playerConf.timeout_pause = clearTimeout(playerConf.timeout_pause);
                            playerConf.lastPauseAt = 0
                            playerConf.domActive |= DOM_ACTIVE_ONCE_PLAYED;
                            playerConf.domActive &= ~DOM_ACTIVE_DELAYED_PAUSED;
                        }
 
                    }).then(() => {
 
                        $hs.swtichPlayerInstance();
 
 
 
                        $hs.onVideoTriggering();
 
                    }).then(() => {
 
                        if (!$hs.enable) return $hs.tips(false);
 
                        if (videoElm._isThisPausedBefore_) consoleLog('resumed')
                        let _pausedbefore_ = videoElm._isThisPausedBefore_
 
                        if (videoElm.playpause_cid) {
                            clearTimeout(videoElm.playpause_cid);
                            videoElm.playpause_cid = 0;
                        }
                        let _last_paused = videoElm._last_paused
                        videoElm._last_paused = videoElm.paused
                        if (_last_paused === !videoElm.paused) {
                            videoElm.playpause_cid = setTimeout(() => {
                                if (videoElm.paused === !_last_paused && !videoElm.paused && _pausedbefore_) {
                                    $hs.tips('Playback resumed', undefined, 2500)
                                }
                            }, 90)
                        }
 
                        /* 播放的時候進行相關同步操作 */
 
                        if (!videoElm._record_continuous) {
 
                            /* 同步之前設定的播放速度 */
                            $hs.setPlaybackRate()
 
                            if (!_endlessloop) _endlessloop = new AFLooperArray();
 
                            videoElm._record_continuous = _endlessloop.appendLoop(handle.afPlaybackRecording);
                            videoElm._record_continuous._lastSave = -999;
 
                            videoElm._record_continuous.timeDelta = 2000;
                            videoElm._record_continuous.player = videoElm
                            videoElm._record_continuous.savePlaybackProgress = handle.savePlaybackProgress;
                            videoElm._record_continuous.playingWithRecording = handle.playingWithRecording;
                        }
 
                        videoElm._record_continuous.playingWithRecording(videoElm); //try to start recording
 
                        videoElm._isThisPausedBefore_ = false;
 
                    })
 
                },
                handlerVideoPause: function(evt) {
 
                    const videoElm = evt.target || this || null;
 
                    if (!videoElm || videoElm.nodeName != "VIDEO") return;
 
                    const vpid = videoElm.getAttribute('_h5ppid')
 
                    if (!vpid) return;
 
 
                    Promise.resolve().then(() => {
 
                        if ($hs.cid_playHook > 0) clearTimeout($hs.cid_playHook);
                        $hs.cid_playHook = setTimeout(function() {
                            let allPaused = true;
                            for (var k in playerConfs) {
                                if (playerConfs[k].domElement.paused === false) {
                                    allPaused = false;
                                    break;
                                }
                            }
                            if (allPaused) {
                                $hs.focusHookVDoc = getRoot(videoElm)
                                $hs.focusHookVId = vpid
                            }
                            $bv.boostVideoPerformanceDeactivate();
                        }, 100)
 
                    }).then(() => {
 
                        const playerConf = $hs.getPlayerConf(videoElm)
                        if (playerConf) {
                            playerConf.lastPauseAt = +new Date;
                            playerConf.timeout_pause = setTimeout(() => {
                                if (playerConf.lastPauseAt > 0) playerConf.domActive |= DOM_ACTIVE_DELAYED_PAUSED;
                            }, 600)
                        }
 
                    }).then(() => {
 
                        if (!$hs.enable) return $hs.tips(false);
                        consoleLog('pause')
                        videoElm._isThisPausedBefore_ = true;
 
                        let _last_paused = videoElm._last_paused
                        videoElm._last_paused = videoElm.paused
                        if (videoElm.playpause_cid) {
                            clearTimeout(videoElm.playpause_cid);
                            videoElm.playpause_cid = 0;
                        }
                        if (_last_paused === !videoElm.paused) {
                            videoElm.playpause_cid = setTimeout(() => {
                                if (videoElm.paused === !_last_paused && videoElm.paused) {
                                    $hs._tips(videoElm, 'Playback paused', undefined, 2500)
                                }
                            }, 90)
                        }
 
 
                        if (videoElm._record_continuous && videoElm._record_continuous.isFunctionLooping) {
                            setTimeout(function() {
                                if (videoElm.paused === true && !videoElm._record_continuous.isFunctionLooping) videoElm._record_continuous.savePlaybackProgress(); //savePlaybackProgress once before stopping  //handle.savePlaybackProgress;
                            }, 380)
                            videoElm._record_continuous.loopingStop();
                        }
 
 
                    })
 
 
                },
                handlerVideoVolumeChange: function(evt) {
 
                    const videoElm = evt.target || this || null;
 
                    if(videoElm.nodeName!="VIDEO")return;
                    if (videoElm.volume >= 0) {} else {
                        return;
                    }
 
                    if($hs._volume_change_counter>0)return;
                    $hs._volume_change_counter=($hs._volume_change_counter||0)+1
 
                    window.requestAnimationFrame(function(){
 
                        Promise.resolve().then(() => {
 
                            let makeTips = false;
 
                            let cVol = videoElm.volume;
                            let cMuted = videoElm.muted;
 
                            if (cVol === videoElm._volume_p && cMuted === videoElm._muted_p) {
                                // nothing changed
                            } else if (cVol === videoElm._volume_p && cMuted !== videoElm._muted_p) {
                                // muted changed
                            } else { // cVol != pVol
 
                                // only volume changed
 
                                let shallShowTips = videoElm._volume >= 0; //prevent initialization
 
                                if (!cVol) {
                                    videoElm.muted = true;
                                } else if (cMuted) {
                                    videoElm.muted = false;
                                    videoElm._volume = cVol;
                                } else if (!cMuted) {
                                    videoElm._volume = cVol;
                                }
                                consoleLog('volume changed');
 
                                if (shallShowTips) makeTips =true;
 
                            }
 
                            videoElm._volume_p = cVol;
                            videoElm._muted_p = cMuted;
 
                            return makeTips;
 
                        }).then((makeTips)=>{
 
                            if(makeTips) $hs._tips(videoElm, 'Volume: ' + dround(videoElm.volume * 100) + '%', undefined, 3000);
 
                            $hs._volume_change_counter=0;
 
                        })
 
                    })
 
 
 
                },
                handlerVideoLoadedMetaData: function(evt) {
                    const videoElm = evt.target || this || null;
 
                    if (!videoElm || videoElm.nodeName != "VIDEO") return;
 
                    Promise.resolve().then(() => {
 
                        consoleLog('video size', videoElm.videoWidth + ' x ' + videoElm.videoHeight);
 
                        let vpid = videoElm.getAttribute('_h5ppid') || null;
                        if (!vpid || !videoElm.currentSrc) return;
 
                        if ($hs.varSrcList[vpid] != videoElm.currentSrc) {
                            $hs.varSrcList[vpid] = videoElm.currentSrc;
                            $hs.videoSrcFound(videoElm);
                            $hs._actionBoxObtain(videoElm);
                        }
                        if (!videoElm._onceVideoLoaded) {
                            videoElm._onceVideoLoaded = true;
                            playerConfs[vpid].domActive |= DOM_ACTIVE_SRC_LOADED;
                        }
                    })
 
                },
                handlerElementMouseEnter: function(evt) {
                    if ($hs.intVideoInitCount > 0) {} else {
                        return;
                    }
 
 
                    Promise.resolve().then(() => {
 
                        const actionBoxRelation = $hs.getActionBoxRelationFromDOM(evt.target);
                        if (!actionBoxRelation) return;
                        const actionBox = actionBoxRelation.actionBox
                        if (!actionBox) return;
                        const vpid = actionBox.getAttribute('_h5p_actionbox_');
                        const videoElm = actionBoxRelation.player;
                        if (!videoElm) return;
 
                        $hs._actionBoxObtain(videoElm);
 
 
                        return videoElm;
 
                    }).then(videoElm => {
 
                        if (!videoElm) return;
 
 
                        const playerConf = $hs.getPlayerConf(videoElm)
                        if (playerConf) {
                            momentary.act("actionBoxMouseEnter",
                                () => {
                                    playerConf.domActive |= DOM_ACTIVE_MOUSE_IN;
                                },
                                () => {},
                                300)
                        }
 
 
                        delayCall('$$VideoMouseMove', function() {
 
 
                            if (!$hs.cursorHidden) {
                                if (playerConf.domActive & DOM_ACTIVE_MOUSE_IN) $hs.playerActionEnter(videoElm);
                            }
                        }, 1240)
 
                    })
 
                },
                handlerElementMouseLeave: function(evt) {
                    if ($hs.intVideoInitCount > 0) {} else {
                        return;
                    }
 
 
                    Promise.resolve().then(() => {
 
                        const actionBoxRelation = $hs.getActionBoxRelationFromDOM(evt.target);
                        if (!actionBoxRelation) return;
                        const actionBox = actionBoxRelation.actionBox
                        if (!actionBox) return;
                        const vpid = actionBox.getAttribute('_h5p_actionbox_');
                        const videoElm = actionBoxRelation.player;
                        if (!videoElm) return;
 
                        $hs._actionBoxObtain(videoElm);
 
                        return videoElm
 
                    }).then((videoElm) => {
 
                        if (!videoElm) return;
 
                        const playerConf = $hs.getPlayerConf(videoElm)
                        if (playerConf) {
                            momentary.act("actionBoxMouseEnter",
                                () => {
                                    playerConf.domActive &= ~DOM_ACTIVE_MOUSE_IN;
                                },
                                () => {},
                                300)
                        }
 
 
                        $hs.playerActionLeave()
 
                    })
 
 
                },
                handlerElementMouseDown: function(evt) {
 
                    if ($hs.intVideoInitCount > 0) {} else {
                        return;
                    }
 
                    Promise.resolve().then(() => {
 
 
                        if (document.readyState != "complete") return;
 
 
                        function notAtVideo() {
                            if ($hs.focusHookVDoc) $hs.focusHookVDoc = null
                            if ($hs.focusHookVId) $hs.focusHookVId = ''
                        }
 
 
                        const actionBoxRelation = $hs.getActionBoxRelationFromDOM(evt.target);
                        if (!actionBoxRelation) return notAtVideo();
                        const actionBox = actionBoxRelation.actionBox
                        if (!actionBox) return notAtVideo();
                        const vpid = actionBox.getAttribute('_h5p_actionbox_');
                        const videoElm = actionBoxRelation.player;
                        if (!videoElm) return notAtVideo();
 
                        if (vpid) {
                            $hs.focusHookVDoc = getRoot(videoElm)
                            $hs.focusHookVId = vpid
                        }
 
 
 
                        $hs._actionBoxObtain(videoElm);
 
                        return videoElm
 
                    }).then((videoElm) => {
 
                        if (!videoElm) return;
 
                        const playerConf = $hs.getPlayerConf(videoElm)
                        if (playerConf) {
                            momentary.act("actionBoxClicking",
                                () => {
                                    playerConf.domActive |= DOM_ACTIVE_MOUSE_CLICK;
                                },
                                () => {
                                    playerConf.domActive &= ~DOM_ACTIVE_MOUSE_CLICK;
                                },
                                300)
                        }
                        $hs.swtichPlayerInstance();
 
                    })
 
                },
                handlerElementWheelTuneVolume: function(evt) { //shift + wheel
 
                    if ($hs.intVideoInitCount > 0) {} else {
                        return;
                    }
 
                    const actionBoxRelation = $hs.getActionBoxRelationFromDOM(evt.target);
                    if (!actionBoxRelation) return;
                    const actionBox = actionBoxRelation.actionBox
                    if (!actionBox) return;
                    const vpid = actionBox.getAttribute('_h5p_actionbox_');
                    const videoElm = actionBoxRelation.player;
                    if (!videoElm) return;
 
 
                    if (!evt.shiftKey) return;
                    if (evt.deltaY) {
                        let player = $hs.player();
                        if (!player || player != videoElm) return;
 
                        if (evt.deltaY > 0) {
 
                            Promise.resolve().then(() => {
 
 
                                $hs._actionBoxObtain(videoElm);
 
                                if ((player.muted && player.volume === 0) && player._volume > 0) {
 
                                    player.muted = false;
                                    player.volume = player._volume;
                                } else if (player.muted && (player.volume > 0 || !player._volume)) {
                                    player.muted = false;
                                }
                                $hs.tuneVolume(-0.05)
 
                            })
 
                            evt.stopPropagation()
                            evt.preventDefault()
                            return false
 
                        } else if (evt.deltaY < 0) {
 
                            Promise.resolve().then(() => {
 
 
                                $hs._actionBoxObtain(videoElm);
 
                                if ((player.muted && player.volume === 0) && player._volume > 0) {
                                    player.muted = false;
                                    player.volume = player._volume;
                                } else if (player.muted && (player.volume > 0 || !player._volume)) {
                                    player.muted = false;
                                }
                                $hs.tuneVolume(+0.05)
 
                            })
 
                            evt.stopPropagation()
                            evt.preventDefault()
                            return false
 
                        }
                    }
                },
                handlerDocFocusOut: function(e) {
                    let doc = this;
                    $hs.focusFxLock = true;
                    $ws.requestAnimationFrame(function() {
                        $hs.focusFxLock = false;
                        if (!$hs.enable) $hs.tips(false);
                        else
                        if (!doc.hasFocus() && $hs.player() && !$hs.isLostFocus) {
                            $hs.isLostFocus = true;
                            consoleLog('doc.focusout')
                            //$hs.tips('focus is lost', -1);
                        }
                    });
                },
                handlerDocFocusIn: function(e) {
                    let doc = this;
                    if ($hs.focusFxLock) return;
                    $ws.requestAnimationFrame(function() {
 
                        if ($hs.focusFxLock) return;
                        if (!$hs.enable) $hs.tips(false);
                        else
                        if (doc.hasFocus() && $hs.player() && $hs.isLostFocus) {
                            $hs.isLostFocus = false;
                            consoleLog('doc.focusin')
                            $hs.tips(false);
 
                        }
                    });
                },
 
                handlerWinMessage: async function(e) {
                    let tag, ed;
                    if (typeof e.data == 'object' && typeof e.data.tag == 'string') {
                        tag = e.data.tag;
                        ed = e.data
                    } else {
                        return;
                    }
                    let msg = null,
                        success = 0;
                    let msg_str, msg_stype, p
                    switch (tag) {
                        case 'consoleLog':
                            msg_str = ed.str;
                            msg_stype = ed.stype;
                            if (msg_stype === 1) {
                                msg = (document[str_postMsgData] || {})[msg_str] || [];
                                success = 1;
                            } else if (msg_stype === 2) {
                                msg = jsonParse(msg_str);
                                if (msg && msg.d) {
                                    success = 2;
                                    msg = msg.d;
                                }
                            } else {
                                msg = msg_str
                            }
                            p = (ed.passing && ed.winOrder) ? [' | from win-' + ed.winOrder] : [];
                            if (success) {
                                console.log(...msg, ...p)
                                //document[ed.data]=null;   // also delete the information
                            } else {
                                console.log('msg--', msg, ...p, ed);
                            }
                            break;
 
                    }
                },
 
                isInActiveMode: function(activeElm, player) {
 
                    console.log('check active mode', activeElm, player)
                    if (activeElm == player) {
                        return true;
                    }
 
                    for (let vpid in $hs.actionBoxRelations) {
                        const actionBox = $hs.actionBoxRelations[vpid].actionBox
                        if (actionBox && actionBox.parentNode) {
                            if (activeElm == actionBox || actionBox.contains(activeElm)) {
                                return true;
                            }
                        }
                    }
 
                    let _checkingPass = false;
 
                    if (!player) return;
                    let layoutBox = $hs.getPlayerBlockElement(player).parentNode;
                    if (layoutBox && layoutBox.parentNode && layoutBox.contains(activeElm)) {
                        let rpid = player.getAttribute('_h5ppid') || "NULL";
                        let actionBox = layoutBox.parentNode.querySelector(`[_h5p_actionbox_="${rpid}"]`); //the box can be layoutBox
                        if (actionBox && actionBox.contains(activeElm)) _checkingPass = true;
                    }
 
                    return _checkingPass
                },
 
 
                toolCheckFullScreen: function(doc) {
                    if (typeof doc.fullScreen == 'boolean') return doc.fullScreen;
                    if (typeof doc.webkitIsFullScreen == 'boolean') return doc.webkitIsFullScreen;
                    if (typeof doc.mozFullScreen == 'boolean') return doc.mozFullScreen;
                    return null;
                },
 
                toolFormatCT: function(u) {
 
                    let w = Math.round(u, 0)
                    let a = w % 60
                    w = (w - a) / 60
                    let b = w % 60
                    w = (w - b) / 60
                    let str = ("0" + b).substr(-2) + ":" + ("0" + a).substr(-2);
                    if (w) str = w + ":" + str
 
                    return str
 
                },
 
                makeFocus: function(player, evt) {
                    setTimeout(function() {
                        let rpid = player.getAttribute('_h5ppid');
                        let actionBox = getRoot(player).querySelector(`[_h5p_actionbox_="${rpid}"]`);
 
                        //console.log('p',rpid, player,actionBox,document.activeElement)
                        if (actionBox && actionBox != document.activeElement && !actionBox.contains(document.activeElement)) {
                            consoleLog('make focus on', actionBox)
                            actionBox.focus();
 
                        }
 
                    }, 300)
                },
 
                loopOutwards: function(startPoint, maxStep) {
 
 
                    let c = 0,
                        p = startPoint,
                        q = null;
                    while (p && (++c <= maxStep)) {
                        if (p.querySelectorAll('video').length !== 1) {
                            return q;
                            break;
                        }
                        q = p;
                        p = p.parentNode;
                    }
 
                    return p || q || null;
 
                },
 
                getActionBlockElement: function(player, layoutBox) {
 
                    //player,  $hs.getPlayerBlockElement(player).parentNode;
                    //player, player.parentNode .... player.parentNode.parentNode.parentNode
 
                    //layoutBox: a container element containing video and with innerHeight>=player.innerHeight [skipped wrapping]
                    //layoutBox parentSize > layoutBox Size
 
                    //actionBox: a container with video and controls
                    //can be outside layoutbox (bilibili)
                    //assume maximum 3 layers
 
 
                    let outerLayout = $hs.loopOutwards(layoutBox, 3); //i.e.   layoutBox.parent.parent.parent
 
                    const allFullScreenBtns = $hs.queryFullscreenBtnsIndependant(outerLayout)
                    let actionBox = null;
 
                    // console.log('fa0a', allFullScreenBtns.length, layoutBox)
                    if (allFullScreenBtns.length > 0) {
                        //  console.log('faa', allFullScreenBtns.length)
 
                        for (const possibleFullScreenBtn of allFullScreenBtns) possibleFullScreenBtn.setAttribute('__h5p_fsb__', '');
                        let pElm = player.parentNode;
                        let fullscreenBtns = null;
                        while (pElm && pElm.parentNode) {
                            fullscreenBtns = pElm.querySelectorAll('[__h5p_fsb__]');
                            if (fullscreenBtns.length > 0) {
                                break;
                            }
                            pElm = pElm.parentNode;
                        }
                        for (const possibleFullScreenBtn of allFullScreenBtns) possibleFullScreenBtn.removeAttribute('__h5p_fsb__');
                        if (fullscreenBtns && fullscreenBtns.length > 0) {
                            actionBox = pElm;
                            fullscreenBtns = $hs.exclusiveElements(fullscreenBtns);
                            return {
                                actionBox,
                                fullscreenBtns
                            };
                        }
                    }
 
                    let walkRes = domTool._isActionBox_1(player, layoutBox);
                    //walkRes.elm = player... player.parentNode.parentNode (i.e. wPlayer)
                    let parentCount = walkRes.length;
 
                    if (parentCount - 1 >= 0 && domTool._isActionBox(player, walkRes, parentCount - 1)) {
                        actionBox = walkRes[parentCount - 1].elm;
                    } else if (parentCount - 2 >= 0 && domTool._isActionBox(player, walkRes, parentCount - 2)) {
                        actionBox = walkRes[parentCount - 2].elm;
                    } else {
                        actionBox = player;
                    }
 
                    return {
                        actionBox,
                        fullscreenBtns: []
                    };
 
 
 
 
                },
 
                actionBoxRelations: {},
 
                actionBoxRelationClearNodes: function(rootNode, vpid) {
 
                    if (!rootNode || !vpid) return;
                    for (const subtreeElm of rootNode.querySelectorAll(`[_h5p_mr_="${vpid}"]`)) subtreeElm.setAttribute('_h5p_mr_', 'none')
 
 
                },
 
                actionBoxMutationCallback: function(mutations, observer) {
                    for (const mutation of mutations) {
 
 
                        const vpid = mutation.target.getAttribute('_h5p_mf_');
                        if (!vpid) continue;
 
                        const actionBoxRelation = $hs.actionBoxRelations[vpid];
                        if (!actionBoxRelation) continue;
 
                        const removedNodes = mutation.removedNodes;
                        if (removedNodes && removedNodes.length > 0) {
                            for (const node of removedNodes) {
                                if (node.nodeType == 1) {
                                    actionBoxRelation.mutationRemovalsCount++
                                    node.removeAttribute('_h5p_mf_');
                                }
                            }
 
                        }
 
                        const addedNodes = mutation.addedNodes;
                        if (addedNodes && addedNodes.length > 0) {
                            for (const node of addedNodes) {
                                if (node.nodeType == 1) {
                                    actionBoxRelation.mutationAdditionsCount++
                                }
                            }
 
                        }
                    }
                },
 
 
                getActionBoxRelationFromDOM: function(elm) {
 
                    //assume action boxes are mutually exclusive
 
                    for (let vpid in $hs.actionBoxRelations) {
                        const actionBoxRelation = $hs.actionBoxRelations[vpid];
                        const actionBox = actionBoxRelation.actionBox
                        //console.log('ab', actionBox)
                        if (actionBox && actionBox.parentNode) {
                            if (elm == actionBox || actionBox.contains(elm)) {
                                return actionBoxRelation;
                            }
                        }
                    }
 
 
                    return null;
 
                },
 
 
 
                _actionBoxObtain: function(player) {
 
                    if (!player) return null;
                    let vpid = player.getAttribute('_h5ppid');
                    if (!vpid) return null;
                    if (!player.parentNode) return null;
 
                    let actionBoxRelation = $hs.actionBoxRelations[vpid],
                        layoutBox = null,
                        actionBox = null,
                        boxSearchResult = null,
                        fullscreenBtns = null,
                        wPlayer = null;
 
                    function a() {
                        wPlayer = $hs.getPlayerBlockElement(player);
                        layoutBox = wPlayer.parentNode;
                        boxSearchResult = $hs.getActionBlockElement(player, layoutBox);
                        actionBox = boxSearchResult.actionBox
                        fullscreenBtns = boxSearchResult.fullscreenBtns
                    }
 
                    function setDOM_mflag(startElm, endElm, vpid) {
                        if (!startElm || !endElm) return;
                        if (startElm == endElm) startElm.setAttribute('_h5p_mf_', vpid)
                        else if (endElm.contains(startElm)) {
 
                            let p = startElm
                            while (p) {
                                p.setAttribute('_h5p_mf_', vpid)
                                if (p == endElm) break;
                                p = p.parentNode
                            }
 
                        }
                    }
 
                    function b(domNodes) {
 
                        actionBox.setAttribute('_h5p_actionbox_', vpid);
                        if (!$hs.actionBoxMutationObserver) $hs.actionBoxMutationObserver = new MutationObserver($hs.actionBoxMutationCallback);
 
                        console.log('Major Mutation on Player Container')
                        const actionRelation = {
                            player: player,
                            wPlayer: wPlayer,
                            layoutBox: layoutBox,
                            actionBox: actionBox,
                            mutationRemovalsCount: 0,
                            mutationAdditionsCount: 0,
                            fullscreenBtns: fullscreenBtns,
                            pContainer: domNodes[domNodes.length - 1], // the block Element as the entire player (including control btns) having size>=video
                            ppContainer: domNodes[domNodes.length - 1].parentNode, // reference to the webpage
                        }
 
 
                        const pContainer = actionRelation.pContainer;
                        setDOM_mflag(player, pContainer, vpid)
                        for (const btn of fullscreenBtns) setDOM_mflag(btn, pContainer, vpid)
 
                        $hs.actionBoxRelations[vpid] = actionRelation
 
 
                        $hs.actionBoxMutationObserver.observe(pContainer, {
                            childList: true,
                            subtree: true
                        });
                    }
 
                    if (actionBoxRelation) {
                        //console.log('ddx', actionBoxRelation.mutationCount)
                        if (actionBoxRelation.pContainer && actionBoxRelation.pContainer.parentNode && actionBoxRelation.pContainer.parentNode === actionBoxRelation.ppContainer) {
 
                            if (actionBoxRelation.mutationRemovalsCount === 0 && actionBoxRelation.mutationAdditionsCount === 0) return actionBoxRelation.actionBox
 
                            //  if (actionBoxRelation.mutationCount === 0 && actionBoxRelation.fullscreenBtns.every(btn=>actionBoxRelation.actionBox.contains(btn))) return actionBoxRelation.actionBox
                            console.log('Minor Mutation on Player Container', actionBoxRelation ? actionBoxRelation.mutationRemovalsCount : null, actionBoxRelation ? actionBoxRelation.mutationAdditionsCount : null)
                            a();
                            if (actionBox == actionBoxRelation.actionBox && layoutBox == actionBoxRelation.layoutBox && wPlayer == actionBoxRelation.wPlayer) {
                                //pContainer remains the same as actionBox and layoutBox remain unchanged
                                actionBoxRelation.ppContainer = actionBoxRelation.pContainer.parentNode; //just update the reference
                                if (actionBoxRelation.ppContainer) { //in case removed from DOM
                                    actionBoxRelation.mutationRemovalsCount = 0;
                                    actionBoxRelation.mutationAdditionsCount = 0;
                                    actionBoxRelation.fullscreenBtns = fullscreenBtns;
                                    return actionBox;
                                }
                            }
                        }
 
                        const elms = (getRoot(actionBoxRelation.pContainer) || document).querySelectorAll(`[_h5p_mf_="${vpid}"]`)
                        for (const elm of elms) elm.removeAttribute('_h5p_mf_')
                        actionBoxRelation.pContainer.removeAttribute('_h5p_mf_')
                        for (var k in actionBoxRelation) delete actionBoxRelation[k]
                        actionBoxRelation = null;
                        delete $hs.actionBoxRelations[vpid]
                    }
 
                    if (boxSearchResult == null) a();
                    if (actionBox) {
                        const domNodes = [];
                        let pElm = player;
                        let containing = 0;
                        while (pElm) {
                            domNodes.push(pElm);
                            if (pElm === actionBox) containing |= 1;
                            if (pElm === layoutBox) containing |= 2;
                            if (containing === 3) {
                                b(domNodes);
                                return actionBox
                            }
                            pElm = pElm.parentNode;
                        }
                    }
 
                    return null;
 
 
                    // if (!actionBox.hasAttribute('tabindex')) actionBox.setAttribute('tabindex', '-1');
 
 
 
 
                },
 
                videoSrcFound: function(player) {
 
                    // src loaded
 
                    if (!player) return;
                    let vpid = player.getAttribute('_h5ppid') || null;
                    if (!vpid || !player.currentSrc) return;
 
                    player._isThisPausedBefore_ = false;
 
                    player.removeAttribute('_h5p_uid_encrypted');
 
                    if (player._record_continuous) player._record_continuous._lastSave = -999; //first time must save
 
                    let uid_A = location.pathname.replace(/[^\d+]/g, '') + '.' + location.search.replace(/[^\d+]/g, '');
                    let _uid = location.hostname.replace('www.', '').toLowerCase() + '!' + location.pathname.toLowerCase() + 'A' + uid_A + 'W' + player.videoWidth + 'H' + player.videoHeight + 'L' + (player.duration << 0);
 
                    digestMessage(_uid).then(function(_uid_encrypted) {
 
                        let d = +new Date;
 
                        let recordedTime = null;
 
                        ;
                        (function() {
                            //read the last record only;
 
                            let k1 = '_h5_player_play_progress_';
                            let k1n = '_play_progress_';
                            let k2 = _uid_encrypted;
                            let k3 = k1 + k2;
                            let k3n = k1n + k2;
                            let m2 = Store._keys().filter(key => key.substr(0, k3.length) == k3); //all progress records for this video
                            let m2v = m2.map(keyName => +(keyName.split('+')[1] || '0'))
                            let m2vMax = Math.max(0, ...m2v)
                            if (!m2vMax) recordedTime = null;
                            else {
                                let _json_recordedTime = null;
                                _json_recordedTime = Store.read(k3n + '+' + m2vMax);
                                if (!_json_recordedTime) _json_recordedTime = {};
                                else _json_recordedTime = jsonParse(_json_recordedTime);
                                if (typeof _json_recordedTime == 'object') recordedTime = _json_recordedTime;
                                else recordedTime = null;
                                recordedTime = typeof recordedTime == 'object' ? recordedTime.t : recordedTime;
                                if (typeof recordedTime == 'number' && (+recordedTime >= 0 || +recordedTime <= 0)) {
 
                                } else if (typeof recordedTime == 'string' && recordedTime.length > 0 && (+recordedTime >= 0 || +recordedTime <= 0)) {
                                    recordedTime = +recordedTime
                                } else {
                                    recordedTime = null
                                }
                            }
                            if (recordedTime !== null) {
                                player._h5player_lastrecord_ = recordedTime;
                            } else {
                                player._h5player_lastrecord_ = null;
                            }
                            if (player._h5player_lastrecord_ > 5) {
                                consoleLog('last record playing', player._h5player_lastrecord_);
                                setTimeout(function() {
                                    $hs._tips(player, `Press Shift-R to restore Last Playback: ${$hs.toolFormatCT(player._h5player_lastrecord_)}`, 5000, 4000)
                                }, 1000)
                            }
 
                        })();
                        // delay the recording by 5.4s => prevent ads or mis operation
                        setTimeout(function() {
 
                            let k1 = '_h5_player_play_progress_';
                            let k1n = '_play_progress_';
                            let k2 = _uid_encrypted;
                            let k3 = k1 + k2;
                            let k3n = k1n + k2;
 
                            //re-read all the localStorage keys
                            let m1 = Store._keys().filter(key => key.substr(0, k1.length) == k1); //all progress records in this site
                            let p = m1.length + 1;
 
                            for (const key of m1) { //all progress records for this video
                                if (key.substr(0, k3.length) == k3) {
                                    Store._removeItem(key); //remove previous record for the current video
                                    p--;
                                }
                            }
 
                            if (recordedTime !== null) {
                                Store.save(k3n + '+' + d, jsonStringify({
                                    't': recordedTime
                                })) //prevent loss of last record
                            }
 
                            const _record_max_ = 48;
                            const _record_keep_ = 26;
 
                            if (p > _record_max_) {
                                //exisiting 48 records for one site;
                                //keep only 26 records
 
                                const comparator = (a, b) => (a.t < b.t ? -1 : a.t > b.t ? 1 : 0);
 
                                m1
                                    .map(keyName => ({
                                        keyName,
                                        t: +(keyName.split('+')[1] || '0')
                                    }))
                                    .sort(comparator)
                                    .slice(0, -_record_keep_)
                                    .forEach((item) => localStorage.removeItem(item.keyName));
 
                                consoleLog(`stored progress: reduced to ${_record_keep_}`)
                            }
 
                            player.setAttribute('_h5p_uid_encrypted', _uid_encrypted + '+' + d);
 
                            //try to start recording
                            if (player._record_continuous) player._record_continuous.playingWithRecording();
 
                        }, 5400);
 
                    })
 
                },
                bindDocEvents: function(rootNode) {
                    if (!rootNode._onceBindedDocEvents) {
 
                        rootNode._onceBindedDocEvents = true;
                        rootNode.addEventListener('keydown', $hs.handlerRootKeyDownEvent, true)
                        document._debug_rootNode_ = rootNode;
 
                        rootNode.addEventListener('mouseenter', $hs.handlerElementMouseEnter, true)
                        rootNode.addEventListener('mouseleave', $hs.handlerElementMouseLeave, true)
                        rootNode.addEventListener('mousedown', $hs.handlerElementMouseDown, true)
                        rootNode.addEventListener('wheel', $hs.handlerElementWheelTuneVolume, {
                            passive: false
                        });
 
                        // wheel - bubble events to keep it simple (i.e. it must be passive:false & capture:false)
 
 
                        rootNode.addEventListener('focus', $hs.handlerElementFocus, $mb.eh_capture_passive())
                        rootNode.addEventListener('fullscreenchange', $hs.handlerFullscreenChanged, true)
 
                        //rootNode.addEventListener('mousemove', $hs.handlerOverrideMouseMove, {capture:true, passive:false})
 
                    }
                },
                fireGlobalInit: function() {
                    if ($hs.intVideoInitCount != 1) return;
                    if (!$hs.varSrcList) $hs.varSrcList = {};
                    $hs.isLostFocus = null;
                    try {
                        //iframe may not be able to control top window
                        //error; just ignore with async
                        let topDoc = window.top && window.top.document ? window.top.document : null;
                        if (topDoc) {
                            topDoc.addEventListener('focusout', $hs.handlerDocFocusOut, true)
                            topDoc.addEventListener('focusin', $hs.handlerDocFocusIn, true)
                        }
 
                    } catch (e) {}
                    Store.clearInvalid(_sVersion_)
 
 
                    Promise.resolve().then(()=>{
 
                        GM_addStyle(`
                .ytp-chrome-bottom+span#volumeUI:last-child:empty{
                display:none;
                }
                html[_h5p_hide_cursor] *{
                cursor:none !important;
                }
                `)
                    })
 
                },
                onVideoTriggering: function() {
 
 
                    // initialize a single video player - h5Player.playerInstance
 
                    /**
                     * 初始化播放器實例
                     */
                    let player = $hs.playerInstance
                    if (!player) return
 
                    let vpid = player.getAttribute('_h5ppid');
 
                    if (!vpid) return;
 
                    let firstTime = !!$hs.initTips()
                    if (firstTime) {
                        // first time to trigger this player
                        if (!player.hasAttribute('playsinline')) player.setAttribute('playsinline', 'playsinline');
                        if (!player.hasAttribute('x-webkit-airplay')) player.setAttribute('x-webkit-airplay', 'deny');
                        if (!player.hasAttribute('preload')) player.setAttribute('preload', 'auto');
                        //player.style['image-rendering'] = 'crisp-edges';
                        $hs.playbackRate = $hs.getPlaybackRate()
                    }
 
                },
                getPlaybackRate: function() {
                    let playbackRate = Store.read('_playback_rate_') || $hs.playbackRate
                    return Number(Number(playbackRate).toFixed(1))
                },
                getPlayerBlockElement: function(player, useCache) {
 
                    let layoutBox = null,
                        wPlayer = null
 
                    if (!player || !player.offsetHeight || !player.offsetWidth || !player.parentNode) {
                        return null;
                    }
 
 
                    if (useCache === true) {
                        let vpid = player.getAttribute('_h5ppid');
                        let actionBoxRelation = $hs.actionBoxRelations[vpid]
                        if (actionBoxRelation && actionBoxRelation.mutationRemovalsCount === 0) {
                            return actionBoxRelation.wPlayer
                        }
                    }
 
 
                    //without checkActiveBox, just a DOM for you to append tipsDom
 
                    function oWH(elm) {
                        return [elm.offsetWidth, elm.offsetHeight].join(',');
                    }
 
                    function search_nodes() {
 
                        wPlayer = player; // NOT NULL
                        layoutBox = wPlayer.parentNode; // NOT NULL
 
                        while (layoutBox.parentNode && layoutBox.nodeType == 1 && layoutBox.offsetHeight == 0) {
                            wPlayer = layoutBox; // NOT NULL
                            layoutBox = layoutBox.parentNode; // NOT NULL
                        }
                        //container must be with offsetHeight
 
                        while (layoutBox.parentNode && layoutBox.nodeType == 1 && layoutBox.offsetHeight < player.offsetHeight) {
                            wPlayer = layoutBox; // NOT NULL
                            layoutBox = layoutBox.parentNode; // NOT NULL
                        }
                        //container must have height >= player height
 
                        const layoutOWH = oWH(layoutBox)
                        //const playerOWH=oWH(player)
 
                        //skip all inner wraps
                        while (layoutBox.parentNode && layoutBox.nodeType == 1 && oWH(layoutBox.parentNode) == layoutOWH) {
                            wPlayer = layoutBox; // NOT NULL
                            layoutBox = layoutBox.parentNode; // NOT NULL
                        }
 
                        // oWH of layoutBox.parentNode != oWH of layoutBox and layoutBox.offsetHeight >= player.offsetHeight
 
                    }
 
                    search_nodes();
 
                    if (layoutBox.nodeType == 11) {
                        makeNoRoot(layoutBox);
                        search_nodes();
                    }
 
 
 
                    //condition:
                    //!layoutBox.parentNode || layoutBox.nodeType != 1 || layoutBox.offsetHeight > player.offsetHeight
 
                    // layoutBox is a node contains <video> and offsetHeight>=video.offsetHeight
                    // wPlayer is a HTML Element (nodeType==1)
                    // you can insert the DOM element into the layoutBox
 
                    if (layoutBox && wPlayer && layoutBox.nodeType === 1 && wPlayer.parentNode == layoutBox && layoutBox.parentNode) return wPlayer;
                    throw 'unknown error';
 
                },
                getCommonContainer: function(elm1, elm2) {
 
                    let box1 = elm1;
                    let box2 = elm2;
 
                    while (box1 && box2) {
                        if (box1.contains(box2) || box2.contains(box1)) {
                            break;
                        }
                        box1 = box1.parentNode;
                        box2 = box2.parentNode;
                    }
 
                    let layoutBox = null;
 
                    box1 = (box1 && box1.contains(elm2)) ? box1 : null;
                    box2 = (box2 && box2.contains(elm1)) ? box2 : null;
 
                    if (box1 && box2) layoutBox = box1.contains(box2) ? box2 : box1;
                    else layoutBox = box1 || box2 || null;
 
                    return layoutBox
 
                },
                change_layoutBox: function(tipsDom) {
                    let player = $hs.player()
                    if (!player) return;
                    let wPlayer = $hs.getPlayerBlockElement(player, true);
                    let layoutBox = wPlayer.parentNode;
 
                    if ((layoutBox && layoutBox.nodeType == 1) && (!tipsDom.parentNode || tipsDom.parentNode !== layoutBox)) {
 
                        consoleLog('changed_layoutBox')
                        layoutBox.insertBefore(tipsDom, wPlayer);
 
                    }
                },
 
                _hasEventListener: function(elm, p) {
 
                    if (elm && elm._listeners) {
 
                        const cache = elm._listeners[p]
                        return cache && cache.funcCount > 0
 
                    }
                    return false;
 
                },
 
                queryFullscreenBtnsIndependant: function(parentNode) {
 
                    let btns = [];
 
                    function elmCallback(elm) {
 
                        let hasClickListeners = null,
                            childElementCount = null,
                            isVisible = null,
                            btnElm = elm;
                        var pElm = elm;
                        while (pElm && pElm.nodeType === 1 && pElm != parentNode && pElm.querySelector('video') === null) {
 
                            let funcTest = typeof pElm.onclick == 'function' || $hs._hasEventListener(pElm, 'click');
                            funcTest = funcTest || typeof pElm.onmousedown == 'function' || $hs._hasEventListener(pElm, 'mousedown');
                            funcTest = funcTest || typeof pElm.onmouseup == 'function' || $hs._hasEventListener(pElm, 'mouseup');
 
                            if (funcTest) {
                                hasClickListeners = true
                                btnElm = pElm;
                                break;
                            }
 
                            pElm = pElm.parentNode;
                        }
                        if (btns.indexOf(btnElm) >= 0) return; //btn>a.fullscreen-1>b.fullscreen-2>c.fullscreen-3
 
                        if ('_listeners' in elm) {
 
                            //hasClickListeners = elm._listeners && elm._listeners.click && elm._listeners.click.funcCount > 0
 
                        }
 
                        if ('childElementCount' in elm) {
 
                            childElementCount = elm.childElementCount;
 
                        }
                        if ('offsetParent' in elm) {
                            isVisible = !!elm.offsetParent; //works with parent/self display none; not work with visiblity hidden / opacity0
 
                        }
 
                        if (hasClickListeners) {
                            let btn = {
                                elm,
                                btnElm,
                                isVisible,
                                hasClickListeners,
                                childElementCount,
                                isContained: null
                            };
 
                            //console.log('btnElm', btnElm)
 
                            btns.push(btnElm)
 
                        }
                    }
 
 
                    for (const elm of parentNode.querySelectorAll('[class*="full"][class*="screen"]')) {
                        let className = (elm.getAttribute('class') || "");
                        if (/\b(fullscreen|full-screen)\b/i.test(className.replace(/([A-Z][a-z]+)/g, '-$1-').replace(/[\_\-]+/g, '-'))) {
                            elmCallback(elm)
                        }
                    }
 
 
                    for (const elm of parentNode.querySelectorAll('[id*="full"][id*="screen"]')) {
                        let idName = (elm.getAttribute('id') || "");
                        if (/\b(fullscreen|full-screen)\b/i.test(idName.replace(/([A-Z][a-z]+)/g, '-$1-').replace(/[\_\-]+/g, '-'))) {
                            elmCallback(elm)
                        }
                    }
 
                    for (const elm of parentNode.querySelectorAll('[name*="full"][name*="screen"]')) {
                        let nName = (elm.getAttribute('name') || "");
                        if (/\b(fullscreen|full-screen)\b/i.test(nName.replace(/([A-Z][a-z]+)/g, '-$1-').replace(/[\_\-]+/g, '-'))) {
                            elmCallback(elm)
                        }
                    }
 
 
                    return btns;
 
                },
                exclusiveElements: function(elms) {
 
                    //not containing others
                    let res = [];
 
                    for (const roleElm of elms) {
 
                        let isContained = false;
                        for (const testElm of elms) {
                            if (testElm != roleElm && roleElm.contains(testElm)) {
                                isContained = true;
                                break;
                            }
                        }
                        if (!isContained) res.push(roleElm)
                    }
                    return res;
 
                },
 
                getWithFullscreenBtn: function(actionBoxRelation) {
 
 
 
                    console.log('callFullScreenBtn', 300)
 
                    if (actionBoxRelation && actionBoxRelation.actionBox) {
                        let actionBox = actionBoxRelation.actionBox;
                        let btnElements = actionBoxRelation.fullscreenBtns;
 
                        console.log('callFullScreenBtn', 400)
                        if (btnElements && btnElements.length > 0) {
 
                            console.log('callFullScreenBtn', 500, btnElements, actionBox.contains(btnElements[0]))
 
                            let btnElement_idx = btnElements._only_idx;
 
                            if (btnElement_idx >= 0) {
 
                            } else if (btnElements.length === 1) {
                                btnElement_idx = 0;
                            } else if (btnElements.length > 1) {
                                //web-fullscreen-on/off ;  fullscreen-on/off ....
 
                                const strList = btnElements.map(elm => [elm.className || 'null', elm.id || 'null', elm.name || 'null'].join('-').replace(/([A-Z][a-z]+)/g, '-$1-').replace(/[\_\-]+/g, '-'))
 
                                const filterOutScores = new Array(strList.length).fill(0);
                                const filterInScores = new Array(strList.length).fill(0);
                                const filterScores = new Array(strList.length).fill(0);
                                for (const [j, str] of strList.entries()) {
                                    if (/\b(fullscreen|full-screen)\b/i.test(str)) filterInScores[j] += 1
                                    if (/\b(web-fullscreen|web-full-screen)\b/i.test(str)) filterOutScores[j] += 1
                                    if (/\b(fullscreen-on|full-screen-on)\b/i.test(str)) filterInScores[j] += 1
                                    if (/\b(fullscreen-off|full-screen-off)\b/i.test(str)) filterOutScores[j] += 1
                                    if (/\b(on-fullscreen|on-full-screen)\b/i.test(str)) filterInScores[j] += 1
                                    if (/\b(off-fullscreen|off-full-screen)\b/i.test(str)) filterOutScores[j] += 1
                                }
 
                                let maxScore = -1e7;
                                for (const [j, str] of strList.entries()) {
                                    filterScores[j] = filterInScores[j] * 3 - filterOutScores[j] * 2
                                    if (filterScores[j] > maxScore) maxScore = filterScores[j];
                                }
                                btnElement_idx = filterScores.indexOf(maxScore)
                                if (btnElement_idx < 0) btnElement_idx = 0; //unknown
                            }
 
                            btnElements._only_idx = btnElement_idx
 
 
                            //consoleLog('original fullscreen')
                            return btnElements[btnElement_idx];
 
                        }
 
 
                    }
                    return null
                },
 
                callFullScreenBtn: function() {
                    console.log('callFullScreenBtn')
 
 
 
                    let player = $hs.player()
                    if (!player || !player.ownerDocument || !('exitFullscreen' in player.ownerDocument)) return;
 
                    let btnElement = null;
 
                    let vpid = player.getAttribute('_h5ppid') || null;
 
                    if (!vpid) return;
 
 
                    const chFull = $hs.toolCheckFullScreen(player.ownerDocument);
 
 
 
                    if (chFull === true) {
                        player.ownerDocument.exitFullscreen();
                        return;
                    }
 
                    let actionBoxRelation = $hs.actionBoxRelations[vpid];
 
 
                    let asyncRes = Promise.resolve(actionBoxRelation)
                    if (chFull === false) asyncRes = asyncRes.then($hs.getWithFullscreenBtn);
                    else asyncRes = asyncRes.then(() => null)
 
                    asyncRes.then((btnElement) => {
 
                        if (btnElement) {
 
                            window.requestAnimationFrame(() => btnElement.click());
                            return;
                        }
 
                        let fsElm = getRoot(player).querySelector(`[_h5p_fsElm_="${vpid}"]`); //it is set in fullscreenchange
 
                        let gPlayer = fsElm
 
                        if (gPlayer) {
 
                        } else if (actionBoxRelation && actionBoxRelation.actionBox) {
                            gPlayer = actionBoxRelation.actionBox;
                        } else if (actionBoxRelation && actionBoxRelation.layoutBox) {
                            gPlayer = actionBoxRelation.layoutBox;
                        } else {
                            gPlayer = player;
                        }
 
 
                        if (gPlayer != fsElm && !fsElm) {
                            delayCall('$$videoReset_fsElm', function() {
                                gPlayer.removeAttribute('_h5p_fsElm_')
                            }, 500)
                        }
 
                        console.log('DOM fullscreen', gPlayer)
                        try {
                            const res = gPlayer.requestFullscreen()
                            if (res && res.constructor.name == "Promise") res.catch((e) => 0)
                        } catch (e) {
                            console.log('DOM fullscreen Error', e)
                        }
 
 
                    })
 
 
 
 
                },
                /* 設置播放速度 */
                setPlaybackRate: function(num, flagTips) {
                    let player = $hs.player()
                    let curPlaybackRate
                    if (num) {
                        num = +num
                        if (num > 0) { // also checking the type of variable
                            curPlaybackRate = num < 0.1 ? 0.1 : +(num.toFixed(1))
                        } else {
                            console.error('h5player: 播放速度轉換出錯')
                            return false
                        }
                    } else {
                        curPlaybackRate = $hs.getPlaybackRate()
                    }
                    /* 記錄播放速度的信息 */
 
                    let changed = curPlaybackRate !== player.playbackRate;
 
                    if (curPlaybackRate !== player.playbackRate) {
 
                        Store.save('_playback_rate_', curPlaybackRate + '')
                        $hs.playbackRate = curPlaybackRate
                        player.playbackRate = curPlaybackRate
                        /* 本身處於1被播放速度的時候不再提示 */
                        //if (!num && curPlaybackRate === 1) return;
 
                    }
 
                    flagTips = (flagTips < 0) ? false : (flagTips > 0) ? true : changed;
                    if (flagTips) $hs.tips('Playback speed: ' + player.playbackRate + 'x')
                },
                tuneCurrentTimeTips:function(_amount, changed){
 
                    $hs.tips(false);
                        if (changed) {
                            if (_amount > 0) $hs.tips(_amount + ' Sec. Forward', undefined, 3000);
                            else $hs.tips(-_amount + ' Sec. Backward', undefined, 3000)
                        }
                },
                tuneCurrentTime: function(amount) {
                    let _amount = +(+amount).toFixed(1);
                    let player = $hs.player();
                    if (_amount >= 0 || _amount < 0) {} else {
                        return;
                    }
 
                    let newCurrentTime = player.currentTime + _amount;
                    if (newCurrentTime < 0) newCurrentTime = 0;
                    if (newCurrentTime > player.duration) newCurrentTime = player.duration;
 
                    let changed = newCurrentTime != player.currentTime && newCurrentTime >= 0 && newCurrentTime <= player.duration;
 
                    if (changed) {
                        //player.currentTime = newCurrentTime;
                        //player.pause();
 
 
                        const video = player;
                        var isPlaying = video.currentTime > 0 && !video.paused && !video.ended && video.readyState > video.HAVE_CURRENT_DATA;
 
                        if (isPlaying) {
                            player.pause();
                            $hs.ccad = $hs.ccad || function() {
                                if (player.paused) player.play();
                            };
                            player.addEventListener('seeked', $hs.ccad, {
                                passive: true,
                                capture: true,
                                once: true
                            });
 
                        }
 
 
 
 
                        player.currentTime = +newCurrentTime.toFixed(0)
 
                        $hs.tuneCurrentTimeTips(_amount, changed)
 
                        
                    }
 
                },
                tuneVolume: function(amount) {
                    let _amount = +(+amount).toFixed(2);
 
                    let player = $hs.player()
 
                    let newVol = player.volume + _amount;
                    if (newVol < 0) newVol = 0;
                    if (newVol > 1) newVol = 1;
                    let chVol = player.volume !== newVol && newVol >= 0 && newVol <= 1;
 
                    if (chVol) {
 
                        if (_amount > 0 && player.volume < 1) {
                            player.volume = newVol // positive
                        } else if (_amount < 0 && player.volume > 0) {
                            player.volume = newVol // negative
                        }
                        $hs.tips(false);
                        $hs.tips('Volume: ' + dround(player.volume * 100) + '%', undefined)
                    }
                },
                switchPlayStatus: function() {
                    let player = $hs.player()
                    if (player.paused) {
                        player.play()
                        if (player._isThisPausedBefore_) {
                            $hs.tips(false);
                            $hs.tips('Playback resumed', undefined, 2500)
                        }
                    } else {
                        player.pause()
                        $hs.tips(false);
                        $hs.tips('Playback paused', undefined, 2500)
                    }
                },
                tipsClassName: 'html_player_enhance_tips',
                _tips: function(player, str, duration, order) {
 
                    Promise.resolve().then(()=>{
 
 
                    if (!player.getAttribute('_h5player_tips')) $hs.initTips();
 
                    }).then(()=>{
 
                    let tipsSelector = '#' + (player.getAttribute('_h5player_tips') || $hs.tipsClassName) //if this attribute still doesnt exist, set it to the base cls name
                    let tipsDom = getRoot(player).querySelector(tipsSelector)
                    if (!tipsDom) {
                        consoleLog('init h5player tips dom error...')
                        return false
                    }
                    $hs.change_layoutBox(tipsDom);
 
                        return tipsDom
 
                    }).then((tipsDom)=>{
                        if(tipsDom===false)return false;
 
                    if (str === false) {
                        tipsDom.textContent = '';
                        tipsDom.setAttribute('_potTips_', '0')
                    } else {
                        order = order || 1000
                        tipsDom.tipsOrder = tipsDom.tipsOrder || 0;
 
                        let shallDisplay = true
                        if (order < tipsDom.tipsOrder && getComputedStyle(tipsDom).opacity > 0) shallDisplay = false
 
                        if (shallDisplay) {
                            tipsDom._playerElement = player;
                            tipsDom._playerVPID = player.getAttribute('_h5ppid');
                            tipsDom._playerBlockElm = $hs.getPlayerBlockElement(player, true)
 
                            if (duration === undefined) duration = 2000
                            tipsDom.textContent = str
                            tipsDom.setAttribute('_potTips_', '2')
 
                            if (duration > 0) {
                                $ws.requestAnimationFrame(() => tipsDom.setAttribute('_potTips_', '1'))
                            } else {
                                order = -1;
                            }
 
                            tipsDom.tipsOrder = order
 
                        }
 
                    }
 
                        return tipsDom;
 
                    }).then((tipsDom)=>{
                        if(tipsDom===false)return false;
 
                        if (window.ResizeObserver && tipsDom._playerBlockElm.parentNode) { // tipsDom._playerBlockElm.parentNode == null => bug
                            //observe not fire twice for the same element.
                            if (!$hs.observer_resizeVideos) $hs.observer_resizeVideos = new ResizeObserver(hanlderResizeVideo)
                            $hs.observer_resizeVideos.observe(tipsDom._playerBlockElm.parentNode)
                            $hs.observer_resizeVideos.observe(tipsDom._playerBlockElm)
                            $hs.observer_resizeVideos.observe(player)
                        }
                        //ensure function called
                        window.requestAnimationFrame(() => $hs.fixNonBoxingVideoTipsPosition(tipsDom, player))
 
                    })
 
                },
                tips: function(str, duration, order) {
                    let player = $hs.player()
                    if (!player) {
                        consoleLog('h5Player Tips:', str)
                    }else{
                        $hs._tips(player, str, duration, order)
 
                    }
 
                },
                listOfTipsDom: [],
                getPotTips: function(arr) {
                    const res = [];
                    for (const tipsDom of $hs.listOfTipsDom) {
                        if (tipsDom && tipsDom.nodeType > 0 && tipsDom.parentNode && tipsDom.ownerDocument) {
                            if (tipsDom._playerBlockElm && tipsDom._playerBlockElm.parentNode) {
                                const potTipsAttr = tipsDom.getAttribute('_potTips_')
                                if (arr.indexOf(potTipsAttr) >= 0) res.push(tipsDom)
                            }
                        }
                    }
                    return res;
                },
                initTips: function() {
                    /* 設置提示DOM的樣式 */
                    let player = $hs.player()
                    let shadowRoot = getRoot(player);
                    let doc = player.ownerDocument;
                    //console.log((document.documentElement.qq=player),shadowRoot,'xax')
                    let parentNode = player.parentNode
                    let tcn = player.getAttribute('_h5player_tips') || ($hs.tipsClassName + '_' + (+new Date));
                    player.setAttribute('_h5player_tips', tcn)
                    if (shadowRoot.querySelector('#' + tcn)) return false;
 
                    if (!shadowRoot._onceAddedCSS) {
                        shadowRoot._onceAddedCSS = true;
 
                        let cssStyle = `
                [_potTips_="1"]{
                animation: 2s linear 0s normal forwards 1 delayHide;
                }
                [_potTips_="0"]{
                opacity:0; transform:translate(-9999px);
                }
                [_potTips_="2"]{
                opacity:.95; transform: translate(0,0);
                }
 
                @keyframes delayHide{
                0%, 99% { opacity:0.95; transform: translate(0,0); }
                100% { opacity:0; transform:translate(-9999px); }
                }
                ` + `
                [_potTips_]{
                font-weight: bold !important;
                position: absolute !important;
                z-index: 999 !important;
                font-size: ${$hs.fontSize || 16}px !important;
                padding: 0px !important;
                border:none !important;
                background: rgba(0,0,0,0) !important;
                color:#738CE6 !important;
                text-shadow: -1px -1px 0 #000, 1px -1px 0 #000, -1px 1px 0 #000, 1px 1px 0 #000;
                top: 50%;
                left: 50%;
                max-width:500px;max-height:50px;
                border-radius:3px;
                font-family: 'microsoft yahei', Verdana, Geneva, sans-serif;
                pointer-events: none;
                }
                body div[_potTips_]{
                -webkit-user-select: none !important;
                -moz-user-select: none !important;
                -ms-user-select: none !important;
                user-select: none !important;
                -webkit-touch-callout: none !important;
                -webkit-user-select: none !important;
                -khtml-user-drag: none !important;
                -khtml-user-select: none !important;
                -moz-user-select: none !important;
                -moz-user-select: -moz-none !important;
                -ms-user-select: none !important;
                user-select: none !important;
                }
                .ytp-chrome-bottom+span#volumeUI:last-child:empty{
                display:none;
                }
                `.replace(/\r\n/g, '');
 
 
                        let cssContainer = domAppender(shadowRoot);
 
 
                        if (!cssContainer) {
                            cssContainer = makeNoRoot(shadowRoot)
                        }
 
                        domTool.addStyle(cssStyle, cssContainer);
 
                    }
 
                    let tipsDom = doc.createElement('div')
 
                    $hs.handler_tipsDom_animation = $hs.handler_tipsDom_animation || function(e) {
                        if (this.getAttribute('_potTips_') == '1') {
                            this.setAttribute('_potTips_', '0')
                        }
                    }
 
                    tipsDom.addEventListener(crossBrowserTransition('animation'), $hs.handler_tipsDom_animation, $mb.eh_bubble_passive())
 
                    tipsDom.id = tcn;
                    tipsDom.setAttribute('_potTips_', '0');
                    $hs.listOfTipsDom.push(tipsDom);
                    $hs.change_layoutBox(tipsDom);
 
                    return true;
                },
 
                responsiveSizing: function(container, elm) {
 
                    let gcssP = getComputedStyle(container);
 
                    let gcssE = getComputedStyle(elm);
 
                    //console.log(gcssE.left,gcssP.width)
                    let elmBound = {
                        left: parseFloat(gcssE.left) / parseFloat(gcssP.width),
                        width: parseFloat(gcssE.width) / parseFloat(gcssP.width),
                        top: parseFloat(gcssE.top) / parseFloat(gcssP.height),
                        height: parseFloat(gcssE.height) / parseFloat(gcssP.height)
                    };
 
                    let elm00 = [elmBound.left, elmBound.top];
                    let elm01 = [elmBound.left + elmBound.width, elmBound.top];
                    let elm10 = [elmBound.left, elmBound.top + elmBound.height];
                    let elm11 = [elmBound.left + elmBound.width, elmBound.top + elmBound.height];
 
                    return {
                        elm00,
                        elm01,
                        elm10,
                        elm11,
                        plw: elmBound.width,
                        plh: elmBound.height
                    };
 
                },
 
                fixNonBoxingVideoTipsPosition: function(tipsDom, player) {
 
                    if (!tipsDom || !player) return;
 
                    let ct = $hs.getCommonContainer(tipsDom, player)
 
                    if (!ct) return;
 
                    //relative
 
                    let elm00 = $hs.responsiveSizing(ct, player).elm00;
 
                    if (isNaN(elm00[0]) || isNaN(elm00[1])) {
 
                        [tipsDom.style.left, tipsDom.style.top] = [player.style.left, player.style.top];
                        //eg auto
                    } else {
 
                        let rlm00 = elm00.map(t => (t * 100).toFixed(2) + '%');
                        [tipsDom.style.left, tipsDom.style.top] = rlm00;
 
                    }
 
                    // absolute
 
                    let _offset = {
                        left: 10,
                        top: 15
                    };
 
                    let customOffset = {
                        left: _offset.left,
                        top: _offset.top
                    };
                    let p = tipsDom.getBoundingClientRect();
                    let q = player.getBoundingClientRect();
                    let currentPos = [p.left, p.top];
 
                    let targetPos = [q.left + player.offsetWidth * 0 + customOffset.left, q.top + player.offsetHeight * 0 + customOffset.top];
 
                    let mL = +tipsDom.style.marginLeft.replace('px', '') || 0;
                    if (isNaN(mL)) mL = 0;
                    let mT = +tipsDom.style.marginTop.replace('px', '') || 0;
                    if (isNaN(mT)) mT = 0;
 
                    let z1 = -(currentPos[0] - targetPos[0]);
                    let z2 = -(currentPos[1] - targetPos[1]);
 
                    if (z1 || z2) {
 
                        let y1 = z1 + mL;
                        let y2 = z2 + mT;
 
                        tipsDom.style.marginLeft = y1 + 'px';
                        tipsDom.style.marginTop = y2 + 'px';
 
                    }
                },
 
                playerTrigger: function(player, event) {
 
 
 
                    if (!player || !event) return
                    const pCode = event.code;
                    let keyAsm = (event.shiftKey ? SHIFT : 0) | ((event.ctrlKey || event.metaKey) ? CTRL : 0) | (event.altKey ? ALT : 0);
 
 
 
 
                    let vpid = player.getAttribute('_h5ppid') || null;
                    if (!vpid) return;
                    let playerConf = playerConfs[vpid]
                    if (!playerConf) return;
 
                    //shift + key
                    if (keyAsm == SHIFT) {
                        // 網頁FULLSCREEN
                        if (pCode === 'Enter') {
                            //$hs.callFullScreenBtn()
                            //return TERMINATE
                        } else if (pCode == 'KeyF') {
                            //change unsharpen filter
 
                            let resList = ["unsharpen3_05", "unsharpen3_10", "unsharpen5_05", "unsharpen5_10", "unsharpen9_05", "unsharpen9_10"]
                            let res = (prompt("Enter the unsharpen mask\n(" + resList.map(x => '"' + x + '"').join(', ') + ")", "unsharpen9_05") || "").toLowerCase();
                            if (resList.indexOf(res) < 0) res = ""
                            GM_setValue("unsharpen_mask", res)
                            for (const el of document.querySelectorAll('video[_h5p_uid_encrypted]')) {
                                if (el.style.filter == "" || el.style.filter) {
                                    let filterStr1 = el.style.filter.replace(/\s*url\(\"#_h5p_unsharpen[\d\_]+\"\)/, '');
                                    let filterStr2 = (res.length > 0 ? ' url("#_h5p_' + res + '")' : '')
                                    el.style.filter = filterStr1 + filterStr2;
                                }
                            }
                            return TERMINATE
 
                        }
                        // 進入或退出畫中畫模式
                        else if (pCode == 'KeyP') {
                            $hs.pictureInPicture(player)
 
                            return TERMINATE
                        } else if (pCode == 'KeyR') {
                            if (player._h5player_lastrecord_ !== null && (player._h5player_lastrecord_ >= 0 || player._h5player_lastrecord_ <= 0)) {
                                $hs.setPlayProgress(player, player._h5player_lastrecord_)
 
                                return TERMINATE
                            }
 
                        } else if (pCode == 'KeyO') {
                            let _debug_h5p_logging_ch = false;
                            try {
                                Store._setItem('_h5_player_sLogging_', 1 - Store._getItem('_h5_player_sLogging_'))
                                _debug_h5p_logging_ = +Store._getItem('_h5_player_sLogging_') > 0;
                                _debug_h5p_logging_ch = true;
                            } catch (e) {
 
                            }
                            consoleLogF('_debug_h5p_logging_', !!_debug_h5p_logging_, 'changed', _debug_h5p_logging_ch)
 
                            if (_debug_h5p_logging_ch) {
 
                                return TERMINATE
                            }
                        } else if (pCode == 'KeyT') {
                            if (/^blob/i.test(player.currentSrc)) {
                                alert(`The current video is ${player.currentSrc}\nSorry, it cannot be opened in PotPlayer.`);
                            } else {
                                let confirm_res = confirm(`The current video is ${player.currentSrc}\nDo you want to open it in PotPlayer?`);
                                if (confirm_res) window.open('potplayer://' + player.currentSrc, '_blank');
                            }
                            return TERMINATE
                        }
 
 
 
                        let videoScale = playerConf.vFactor;
 
                        function tipsForVideoScaling() {
 
                            playerConf.vFactor = +videoScale.toFixed(1);
 
                            playerConf.cssTransform();
                            let tipsMsg = `視頻縮放率：${ +(videoScale * 100).toFixed(2)  }%`
                            if (playerConf.translate.x) {
                                tipsMsg += `，水平位移：${playerConf.translate.x}px`
                            }
                            if (playerConf.translate.y) {
                                tipsMsg += `，垂直位移：${playerConf.translate.y}px`
                            }
                            $hs.tips(false);
                            $hs.tips(tipsMsg)
 
 
                        }
 
                        // 視頻畫面縮放相關事件
 
                        switch (pCode) {
                            // shift+X：視頻縮小 -0.1
                            case 'KeyX':
                                videoScale -= 0.1
                                if (videoScale < 0.1) videoScale = 0.1;
                                tipsForVideoScaling();
                                return TERMINATE
                                break
                                // shift+C：視頻放大 +0.1
                            case 'KeyC':
                                videoScale += 0.1
                                if (videoScale > 16) videoScale = 16;
                                tipsForVideoScaling();
                                return TERMINATE
                                break
                                // shift+Z：視頻恢復正常大小
                            case 'KeyZ':
                                videoScale = 1.0
                                playerConf.translate.x = 0;
                                playerConf.translate.y = 0;
                                tipsForVideoScaling();
                                return TERMINATE
                                break
                            case 'ArrowRight':
                                playerConf.translate.x += 10
                                tipsForVideoScaling();
                                return TERMINATE
                                break
                            case 'ArrowLeft':
                                playerConf.translate.x -= 10
                                tipsForVideoScaling();
                                return TERMINATE
                                break
                            case 'ArrowUp':
                                playerConf.translate.y -= 10
                                tipsForVideoScaling();
                                return TERMINATE
                                break
                            case 'ArrowDown':
                                playerConf.translate.y += 10
                                tipsForVideoScaling();
                                return TERMINATE
                                break
 
                        }
 
                    }
                    // 防止其它無關組合鍵衝突
                    if (!keyAsm) {
                        let kControl = null
                        let newPBR, oldPBR, nv, numKey;
                        switch (pCode) {
                            // 方向鍵右→：快進3秒
                            case 'ArrowRight':
                                if(1){
                                let aCurrentTime= player.currentTime;
                                window.requestAnimationFrame(()=>{
                                    let diff=player.currentTime-aCurrentTime
                                    diff=Math.round(diff*5)/5;
                                    if(Math.abs(diff)<0.8){
                                        $hs.tuneCurrentTime(+$hs.skipStep);
                                    }else{
                                        $hs.tuneCurrentTimeTips(diff, true)
                                    }
                                })
                                //if(document.domain.indexOf('youtube.com')>=0){}else{
                                //$hs.tuneCurrentTime($hs.skipStep);
                                //return TERMINATE;
                                //}
                                }
                                break;
                                // 方向鍵左←：後退3秒
                            case 'ArrowLeft':
 
                                if(1){
                                let aCurrentTime= player.currentTime;
                                window.requestAnimationFrame(()=>{
                                    let diff=player.currentTime-aCurrentTime
                                    diff=Math.round(diff*5)/5;
                                    if(Math.abs(diff)<0.8){
                                        $hs.tuneCurrentTime(-$hs.skipStep);
                                    }else{
                                        $hs.tuneCurrentTimeTips(diff, true)
                                    }
                                })
                                //if(document.domain.indexOf('youtube.com')>=0){}else{
                                //
                                //return TERMINATE;
                                //}
                                }
                                break;
                                // 方向鍵上↑：音量升高 1%
                            case 'ArrowUp':
                                if ((player.muted && player.volume === 0) && player._volume > 0) {
 
                                    player.muted = false;
                                    player.volume = player._volume;
                                } else if (player.muted && (player.volume > 0 || !player._volume)) {
                                    player.muted = false;
                                }
                                $hs.tuneVolume(0.01);
                                return TERMINATE;
                                break;
                                // 方向鍵下↓：音量降低 1%
                            case 'ArrowDown':
 
                                if ((player.muted && player.volume === 0) && player._volume > 0) {
 
                                    player.muted = false;
                                    player.volume = player._volume;
                                } else if (player.muted && (player.volume > 0 || !player._volume)) {
                                    player.muted = false;
                                }
                                $hs.tuneVolume(-0.01);
                                return TERMINATE;
                                break;
                                // 空格鍵：暫停/播放
                            case 'Space':
                                $hs.switchPlayStatus();
                                return TERMINATE;
                                break;
                                // 按鍵X：減速播放 -0.1
                            case 'KeyX':
                                if (player.playbackRate > 0) {
                                    $hs.tips(false);
                                    $hs.setPlaybackRate(player.playbackRate - 0.1);
                                    return TERMINATE
                                }
                                break;
                                // 按鍵C：加速播放 +0.1
                            case 'KeyC':
                                if (player.playbackRate < 16) {
                                    $hs.tips(false);
                                    $hs.setPlaybackRate(player.playbackRate + 0.1);
                                    return TERMINATE
                                }
 
                                break;
                                // 按鍵Z：正常速度播放
                            case 'KeyZ':
                                $hs.tips(false);
                                oldPBR = player.playbackRate;
                                if (oldPBR != 1.0) {
                                    player._playbackRate_z = oldPBR;
                                    newPBR = 1.0;
                                } else if (player._playbackRate_z != 1.0) {
                                    newPBR = player._playbackRate_z || 1.0;
                                    player._playbackRate_z = 1.0;
                                } else {
                                    newPBR = 1.0
                                    player._playbackRate_z = 1.0;
                                }
                                $hs.setPlaybackRate(newPBR, 1)
                                return TERMINATE
                                break;
                                // 按鍵F：下一幀
                            case 'KeyF':
                                if (window.location.hostname === 'www.netflix.com') return /* netflix 的F鍵是FULLSCREEN的意思 */
                                $hs.tips(false);
                                if (!player.paused) player.pause()
                                player.currentTime += +(1 / playerConf.fps)
                                $hs.tips('Jump to: Next frame')
                                return TERMINATE
                                break;
                                // 按鍵D：上一幀
                            case 'KeyD':
                                $hs.tips(false);
                                if (!player.paused) player.pause()
                                player.currentTime -= +(1 / playerConf.fps)
                                $hs.tips('Jump to: Previous frame')
                                return TERMINATE
                                break;
                                // 按鍵E：亮度增加%
                            case 'KeyE':
                                $hs.tips(false);
                                nv = playerConf.setFilter('brightness', (v) => v + 0.1);
                                $hs.tips('Brightness: ' + dround(nv * 100) + '%')
                                return TERMINATE
                                break;
                                // 按鍵W：亮度減少%
                            case 'KeyW':
                                $hs.tips(false);
                                nv = playerConf.setFilter('brightness', (v) => v > 0.1 ? v - 0.1 : 0);
                                $hs.tips('Brightness: ' + dround(nv * 100) + '%')
                                return TERMINATE
                                break;
                                // 按鍵T：對比度增加%
                            case 'KeyT':
                                $hs.tips(false);
                                nv = playerConf.setFilter('contrast', (v) => v + 0.1);
                                $hs.tips('Contrast: ' + dround(nv * 100) + '%')
                                return TERMINATE
                                break;
                                // 按鍵R：對比度減少%
                            case 'KeyR':
                                $hs.tips(false);
                                nv = playerConf.setFilter('contrast', (v) => v > 0.1 ? v - 0.1 : 0);
                                $hs.tips('Contrast: ' + dround(nv * 100) + '%')
                                return TERMINATE
                                break;
                                // 按鍵U：飽和度增加%
                            case 'KeyU':
                                $hs.tips(false);
                                nv = playerConf.setFilter('saturate', (v) => v + 0.1);
                                $hs.tips('Saturate: ' + dround(nv * 100) + '%')
                                return TERMINATE
                                break;
                                // 按鍵Y：飽和度減少%
                            case 'KeyY':
                                $hs.tips(false);
                                nv = playerConf.setFilter('saturate', (v) => v > 0.1 ? v - 0.1 : 0);
                                $hs.tips('Saturate: ' + dround(nv * 100) + '%')
                                return TERMINATE
                                break;
                                // 按鍵O：色相增加 1 度
                            case 'KeyO':
                                $hs.tips(false);
                                nv = playerConf.setFilter('hue-rotate', (v) => v + 1);
                                $hs.tips('Hue: ' + nv + ' deg')
                                return TERMINATE
                                break;
                                // 按鍵I：色相減少 1 度
                            case 'KeyI':
                                $hs.tips(false);
                                nv = playerConf.setFilter('hue-rotate', (v) => v - 1);
                                $hs.tips('Hue: ' + nv + ' deg')
                                return TERMINATE
                                break;
                                // 按鍵K：模糊增加 0.1 px
                            case 'KeyK':
                                $hs.tips(false);
                                nv = playerConf.setFilter('blur', (v) => v + 0.1);
                                $hs.tips('Blur: ' + nv + ' px')
                                return TERMINATE
                                break;
                                // 按鍵J：模糊減少 0.1 px
                            case 'KeyJ':
                                $hs.tips(false);
                                nv = playerConf.setFilter('blur', (v) => v > 0.1 ? v - 0.1 : 0);
                                $hs.tips('Blur: ' + nv + ' px')
                                return TERMINATE
                                break;
                                // 按鍵Q：圖像復位
                            case 'KeyQ':
                                $hs.tips(false);
                                playerConf.filterReset();
                                $hs.tips('Video Filter Reset')
                                return TERMINATE
                                break;
                                // 按鍵S：畫面旋轉 90 度
                            case 'KeyS':
                                $hs.tips(false);
                                playerConf.rotate += 90
                                if (playerConf.rotate % 360 === 0) playerConf.rotate = 0;
                                if (!playerConf.videoHeight || !playerConf.videoWidth) {
                                    playerConf.videoWidth = playerConf.domElement.videoWidth;
                                    playerConf.videoHeight = playerConf.domElement.videoHeight;
                                }
                                if (playerConf.videoWidth > 0 && playerConf.videoHeight > 0) {
 
 
                                    if ((playerConf.rotate % 180) == 90) {
                                        playerConf.mFactor = playerConf.videoHeight / playerConf.videoWidth;
                                    } else {
                                        playerConf.mFactor = 1.0;
                                    }
 
 
                                    playerConf.cssTransform();
 
                                    $hs.tips('Rotation：' + playerConf.rotate + ' deg')
 
                                }
 
                                return TERMINATE
                                break;
                                // 按鍵迴車，進入FULLSCREEN
                            case 'Enter':
                                //t.callFullScreenBtn();
                                break;
                            case 'KeyN':
                                $hs.pictureInPicture(player);
                                return TERMINATE
                                break;
                            case 'KeyM':
                                //console.log('m!', player.volume,player._volume)
 
                                if (player.volume >= 0) {
 
                                    if (!player.volume || player.muted) {
 
                                        let newVol = player.volume || player._volume || 0.5;
                                        if (player.volume !== newVol) {
                                            player.volume = newVol;
                                        }
                                        player.muted = false;
                                        $hs.tips(false);
                                        $hs.tips('Mute: Off', undefined);
 
                                    } else {
 
                                        player._volume = player.volume;
                                        player._volume_p = player.volume;
                                        //player.volume = 0;
                                        player.muted = true;
                                        $hs.tips(false);
                                        $hs.tips('Mute: On', undefined);
 
                                    }
 
                                }
 
                                return TERMINATE
                                break;
                            default:
                                // 按1-4設置播放速度 49-52;97-100
                                numKey = +(event.key)
 
                                if (numKey >= 1 && numKey <= 4) {
                                    $hs.tips(false);
                                    $hs.setPlaybackRate(numKey, 1)
                                    return TERMINATE
                                }
                        }
 
                    }
                },
 
                handlerPlayerLockedMouseMove: function(e) {
                    //console.log(4545)
 
                    let player = $hs.player();
                    if (!player) return;
                    Promise.resolve().then(() => {
 
 
 
 
                        $hs.mouseMoveCount += Math.sqrt(e.movementX * e.movementX + e.movementY * e.movementY);
                        //console.log($hs.mouseMoveCount)
                        if ($hs.mouseMoveCount > $hs.mouseMoveMax) {
                            $hs.mouseMoveCount = 0;
                            if ($hs.cursorHidden) {
 
                                return 1;
 
                            }
 
 
                        } else {
                            //console.log($hs.mouseMoveCount)
 
 
                            return 2;
 
                        }
 
                    }).then(ayRes => {
 
                        if (ayRes == 1) {
 
 
                            delayCall('$$VideoMouseMove', function() {
                                if (!$hs.cursorHidden) {
                                    const playerConf = $hs.getPlayerConf(player)
                                    $hs.playerActionEnter(player);
                                }
                            }, 1240)
                            $hs.playerActionLeave()
 
                        } else if (ayRes == 2) {
 
                            delayCall('$$VideoClearMove', function() {
                                $hs.mouseMoveCount = $hs.mouseMoveCount * 0.4;
                            }, 100)
 
                            delayCall('$$VideoClearMove2', function() {
                                $hs.mouseMoveCount = 0;
                            }, 400)
 
                        }
 
 
 
                    })
 
 
 
 
                },
 
                playerActionEnter: function(player) {
                    if (player && !$hs.cursorHidden) {
                        const last = function(a, k) {
                            return a[a.length - 1 - (k || 0)]
                        }
 
                        Promise.resolve().then(() => {
                            if (player.paused === false) player.ownerDocument.querySelector('html').setAttribute('_h5p_hide_cursor', '')
                            else if (player.paused === true) player.ownerDocument.querySelector('html').removeAttribute('_h5p_hide_cursor')
                            $hs.cursorHidden = player;
 
                            $hs.mouseMoveCount = 0;
                            $hs.mouseMoveMax = Math.sqrt(player.clientWidth * player.clientWidth + player.clientHeight * player.clientHeight) * 0.06;
 
                        }).then(() => {
 
                            player.ownerDocument.addEventListener('mousemove', $hs.handlerPlayerLockedMouseMove, $mb.eh_capture_passive())
 
                        })
                    }
                },
 
                focusHookVDoc: null,
                focusHookVId: '',
 
                playerActionLeave: function() {
                    let player = $hs.player();
                    if ($hs.cursorHidden) {
                        const last = function(a, k) {
                            return a[a.length - 1 - (k || 0)]
                        }
 
 
                        Promise.resolve().then(() => {
 
                            if (player) {
                                player.ownerDocument.removeEventListener('mousemove', $hs.handlerPlayerLockedMouseMove, {
                                    passive: true,
                                    capture: true
                                })
                            }
 
                        }).then(() => {
                            $hs.cursorHidden = null;
                            $hs.mouseMoveCount = 0;
                            player.ownerDocument.querySelector('html').removeAttribute('_h5p_hide_cursor')
 
                        })
 
                    }
                },
 
                handlerElementFocus: function(event) {
 
                    function notAtVideo() {
                        if ($hs.focusHookVDoc) $hs.focusHookVDoc = null
                        if ($hs.focusHookVId) $hs.focusHookVId = ''
                    }
 
                    const hookVideo = $hs.focusHookVDoc && $hs.focusHookVId ? $hs.focusHookVDoc.querySelector(`VIDEO[_h5ppid=${$hs.focusHookVId}]`) : null
 
 
                    if (hookVideo && (event.target == hookVideo || event.target.contains(hookVideo))) {
 
 
                    } else {
 
                        notAtVideo();
 
 
                    }
 
                },
 
                handlerFullscreenChanged: function(event) {
 
 
                    let videoElm = null,
                        videosQuery = null;
                    if (event && event.target) {
 
                        if (event.target.nodeName == "VIDEO") videoElm = event.target;
                        else if (videosQuery = event.target.querySelectorAll("VIDEO")) {
                            if (videosQuery.length === 1) videoElm = videosQuery[0]
                        }
 
 
                    }
 
                    if (videoElm) {
 
 
                        const player = videoElm;
                        const vpid = player.getAttribute('_h5ppid')
 
 
                        event.target.setAttribute('_h5p_fsElm_', vpid)
 
 
                        function hookTheActionedVideo() {
                            $hs.focusHookVDoc = getRoot(player)
                            $hs.focusHookVId = vpid
                        }
 
 
                        hookTheActionedVideo();
                        setTimeout(function() {
                            hookTheActionedVideo()
                        }, 500)
 
 
 
                        function hideCursor() {
                            const chFull = $hs.toolCheckFullScreen(player.ownerDocument);
 
                            if (chFull) {
 
                                $hs.playerActionEnter(player);
                            } else {
 
                                $hs.playerActionLeave();
                            }
                        }
 
                        //$rAf.call(window,hideCursor);
                        setTimeout(hideCursor);
 
 
 
                    } else {
 
                        $hs.focusHookVDoc = null
                        $hs.focusHookVId = ''
 
                    }
 
 
                },
 
                /*
                handlerOverrideMouseMove:function(evt){
 
 
                    if(evt&&evt.target){}else{return;}
                    const targetElm = evt.target;
 
                    if(targetElm.nodeName=="VIDEO"){
                        evt.preventDefault();
                        evt.stopPropagation();
                        evt.stopImmediatePropagation();
                    }
 
                },*/
 
                /* 按鍵響應方法 */
                handlerRootKeyDownEvent: function(event) {
 
                    function notAtVideo() {
                        if ($hs.focusHookVDoc) $hs.focusHookVDoc = null
                        if ($hs.focusHookVId) $hs.focusHookVId = ''
                    }
 
 
 
 
                    if ($hs.intVideoInitCount > 0) {} else {
                        // return notAtVideo();
                    }
 
 
 
                    // $hs.lastKeyDown = event.timeStamp
 
 
                    // DOM Standard - either .key or .code
                    // Here we adopt .code (physical layout)
 
                    let pCode = event.code;
                    if (typeof pCode != 'string') return;
                    let player = $hs.player()
                    if (!player) return; // no video tag
 
                    let rootNode = getRoot(player);
                    let isRequiredListen = false;
 
                    let keyAsm = (event.shiftKey ? SHIFT : 0) | ((event.ctrlKey || event.metaKey) ? CTRL : 0) | (event.altKey ? ALT : 0);
 
 
                    if (document.fullscreenElement || rootNode.pointerLockElement) {
                        isRequiredListen = true;
 
 
                        if (!keyAsm && pCode == 'Escape') {
                            setTimeout(() => {
                                if (document.fullscreenElement) {
                                    document.exitFullscreen();
                                } else if (document.pointerLockElement) {
                                    $hs.playerActionLeave();
                                }
                            }, 700);
                            return;
                        }
 
 
                    }
 
                    const actionBoxRelation = $hs.getActionBoxRelationFromDOM(event.target)
                    let hookVideo = null;
 
                    if (actionBoxRelation) {
                        $hs.focusHookVDoc = getRoot(actionBoxRelation.player);
                        $hs.focusHookVId = actionBoxRelation.player.getAttribute('_h5ppid');
                        hookVideo = actionBoxRelation.player;
                    } else {
                        hookVideo = $hs.focusHookVDoc && $hs.focusHookVId ? $hs.focusHookVDoc.querySelector(`VIDEO[_h5ppid=${$hs.focusHookVId}]`) : null
                    }
 
                    if (hookVideo) isRequiredListen = true;
 
                    //console.log('root key', isRequiredListen, event.target, hookVideo)
 
                    if (!isRequiredListen) return;
 
                    //console.log('K01')
 
                    /* 切換插件的可用狀態 */
                    // Shift-`
                    if (keyAsm == SHIFT && pCode == 'Backquote') {
                        $hs.enable = !$hs.enable;
                        $hs.tips(false);
                        if ($hs.enable) {
                            $hs.tips('啟用h5Player插件')
                        } else {
                            $hs.tips('禁用h5Player插件')
                        }
                        // 阻止事件冒泡
                        event.stopPropagation()
                        event.preventDefault()
                        return false
                    }
                    if (!$hs.enable) {
                        consoleLog('h5Player 已禁用~')
                        return false
                    }
 
                    /* 非全局模式下，不聚焦則不執行快捷鍵的操作 */
 
                    if (!keyAsm && pCode == 'Enter') { //not NumberpadEnter
 
                        $hs._actionBoxObtain(player); //ted - sub tree not calling?
                        $hs.callFullScreenBtn()
                        event.stopPropagation()
                        event.preventDefault()
                        return false
                    }
 
 
 
                    let res = $hs.playerTrigger(player, event)
                    if (res == TERMINATE) {
                        event.stopPropagation()
                        event.preventDefault()
                        return false
                    }
 
                },
                /* 設置播放進度 */
                setPlayProgress: function(player, curTime) {
                    if (!player) return
                    if (!curTime || Number.isNaN(curTime)) return
                    player.currentTime = curTime
                    if (curTime > 3) {
                        $hs.tips(false);
                        $hs.tips(`Playback Jumps to ${$hs.toolFormatCT(curTime)}`)
                        if (player.paused) player.play();
                    }
                }
            }
 
            function makeFilter(arr, k) {
                let res = ""
                for (const e of arr) {
                    for (const d of e) {
                        res += " " + (1.0 * d * k).toFixed(9)
                    }
                }
                return res.trim()
            }
 
            function _add_filter(rootElm) {
                let rootView = null;
                if (rootElm && rootElm.nodeType > 0) {
                    while (rootElm.parentNode && rootElm.parentNode.nodeType === 1) rootElm = rootElm.parentNode;
                    rootView = rootElm.querySelector('body') || rootElm;
                } else {
                    return;
                }
 
                if (rootView && rootView.querySelector && !rootView.querySelector('#_h5player_section_')) {
 
                    let svgFilterElm = document.createElement('section')
                    svgFilterElm.style.position = 'fixed';
                    svgFilterElm.style.left = '-999px';
                    svgFilterElm.style.width = '1px';
                    svgFilterElm.style.top = '-999px';
                    svgFilterElm.style.height = '1px';
                    svgFilterElm.id = '_h5player_section_'
                    let svgXML = `
                <svg id='_h5p_image' version="1.1" xmlns="http://www.w3.org/2000/svg">
                <defs>
                <filter id="_h5p_sharpen1">
                <feConvolveMatrix filterRes="100 100" style="color-interpolation-filters:sRGB" order="3" kernelMatrix="` + `
                -0.3 -0.3 -0.3
                -0.3 3.4 -0.3
                -0.3 -0.3 -0.3`.replace(/[\n\r]+/g, '  ').trim() + `"  preserveAlpha="true"/>
                </filter>
                <filter id="_h5p_unsharpen1">
                <feConvolveMatrix style="color-interpolation-filters:sRGB;color-interpolation: sRGB;" order="5" kernelMatrix="` +
                        makeFilter([
                            [1, 4, 6, 4, 1],
                            [4, 16, 24, 16, 4],
                            [6, 24, -476, 24, 6],
                            [4, 16, 24, 16, 4],
                            [1, 4, 6, 4, 1]
                        ], -1 / 256) + `"  preserveAlpha="false"/>
                </filter>
                <filter id="_h5p_unsharpen3_05">
                <feConvolveMatrix style="color-interpolation-filters:sRGB;color-interpolation: sRGB;" order="3" kernelMatrix="` +
                        makeFilter(
                            [
                                [0.025, 0.05, 0.025],
                                [0.05, -1.1, 0.05],
                                [0.025, 0.05, 0.025]
                            ], -1 / .8) + `"  preserveAlpha="false"/>
                </filter>
                <filter id="_h5p_unsharpen3_10">
                <feConvolveMatrix style="color-interpolation-filters:sRGB;color-interpolation: sRGB;" order="3" kernelMatrix="` +
                        makeFilter(
                            [
                                [0.05, 0.1, 0.05],
                                [0.1, -1.4, 0.1],
                                [0.05, 0.1, 0.05]
                            ], -1 / .8) + `"  preserveAlpha="false"/>
                </filter>
                <filter id="_h5p_unsharpen5_05">
                <feConvolveMatrix style="color-interpolation-filters:sRGB;color-interpolation: sRGB;" order="5" kernelMatrix="` +
                        makeFilter(
                            [
                                [0.025, 0.1, 0.15, 0.1, 0.025],
                                [0.1, 0.4, 0.6, 0.4, 0.1],
                                [0.15, 0.6, -18.3, 0.6, 0.15],
                                [0.1, 0.4, 0.6, 0.4, 0.1],
                                [0.025, 0.1, 0.15, 0.1, 0.025]
                            ], -1 / 12.8) + `"  preserveAlpha="false"/>
                </filter>
                <filter id="_h5p_unsharpen5_10">
                <feConvolveMatrix style="color-interpolation-filters:sRGB;color-interpolation: sRGB;" order="5" kernelMatrix="` +
                        makeFilter(
                            [
                                [0.05, 0.2, 0.3, 0.2, 0.05],
                                [0.2, 0.8, 1.2, 0.8, 0.2],
                                [0.3, 1.2, -23.8, 1.2, 0.3],
                                [0.2, 0.8, 1.2, 0.8, 0.2],
                                [0.05, 0.2, 0.3, 0.2, 0.05]
                            ], -1 / 12.8) + `"  preserveAlpha="false"/>
                </filter>
                <filter id="_h5p_unsharpen9_05">
                <feConvolveMatrix style="color-interpolation-filters:sRGB;color-interpolation: sRGB;" order="9" kernelMatrix="` +
                        makeFilter(
                            [
                                [0.025, 0.2, 0.7, 1.4, 1.75, 1.4, 0.7, 0.2, 0.025],
                                [0.2, 1.6, 5.6, 11.2, 14, 11.2, 5.6, 1.6, 0.2],
                                [0.7, 5.6, 19.6, 39.2, 49, 39.2, 19.6, 5.6, 0.7],
                                [1.4, 11.2, 39.2, 78.4, 98, 78.4, 39.2, 11.2, 1.4],
                                [1.75, 14, 49, 98, -4792.7, 98, 49, 14, 1.75],
                                [1.4, 11.2, 39.2, 78.4, 98, 78.4, 39.2, 11.2, 1.4],
                                [0.7, 5.6, 19.6, 39.2, 49, 39.2, 19.6, 5.6, 0.7],
                                [0.2, 1.6, 5.6, 11.2, 14, 11.2, 5.6, 1.6, 0.2],
                                [0.025, 0.2, 0.7, 1.4, 1.75, 1.4, 0.7, 0.2, 0.025]
                            ], -1 / 3276.8) + `"  preserveAlpha="false"/>
                </filter>
                <filter id="_h5p_unsharpen9_10">
                <feConvolveMatrix style="color-interpolation-filters:sRGB;color-interpolation: sRGB;" order="9" kernelMatrix="` +
                        makeFilter(
                            [
                                [0.05, 0.4, 1.4, 2.8, 3.5, 2.8, 1.4, 0.4, 0.05],
                                [0.4, 3.2, 11.2, 22.4, 28, 22.4, 11.2, 3.2, 0.4],
                                [1.4, 11.2, 39.2, 78.4, 98, 78.4, 39.2, 11.2, 1.4],
                                [2.8, 22.4, 78.4, 156.8, 196, 156.8, 78.4, 22.4, 2.8],
                                [3.5, 28, 98, 196, -6308.6, 196, 98, 28, 3.5],
                                [2.8, 22.4, 78.4, 156.8, 196, 156.8, 78.4, 22.4, 2.8],
                                [1.4, 11.2, 39.2, 78.4, 98, 78.4, 39.2, 11.2, 1.4],
                                [0.4, 3.2, 11.2, 22.4, 28, 22.4, 11.2, 3.2, 0.4],
                                [0.05, 0.4, 1.4, 2.8, 3.5, 2.8, 1.4, 0.4, 0.05]
                            ], -1 / 3276.8) + `"  preserveAlpha="false"/>
                    </filter>
                    <filter id="_h5p_grey1">
                    <feColorMatrix values="0.3333 0.3333 0.3333 0 0
                    0.3333 0.3333 0.3333 0 0
                    0.3333 0.3333 0.3333 0 0
                    0      0      0      1 0"/>
                    <feColorMatrix type="saturate" values="0" />
                    </filter>
                    </defs>
                    </svg>
                    `;
 
                    svgFilterElm.innerHTML = svgXML.replace(/[\r\n\s]+/g, ' ').trim();
 
                    rootView.appendChild(svgFilterElm);
                }
 
            }
 
            /**
             * 某些網頁用了attachShadow closed mode，需要open才能獲取video標籤，例如百度雲盤
             * 解決參考：
             * https://developers.google.com/web/fundamentals/web-components/shadowdom?hl=zh-cn#closed
             * https://stackoverflow.com/questions/54954383/override-element-prototype-attachshadow-using-chrome-extension
             */
 
            const initForShadowRoot = async (shadowRoot) => {
                try {
                    if (shadowRoot && shadowRoot.nodeType > 0 && shadowRoot.mode == 'open' && 'querySelectorAll' in shadowRoot) {
                        if (!shadowRoot.host.hasAttribute('_h5p_shadowroot_')) {
                            shadowRoot.host.setAttribute('_h5p_shadowroot_', '')
 
                            $hs.bindDocEvents(shadowRoot);
                            captureVideoEvents(shadowRoot);
 
                            shadowRoots.push(shadowRoot)
                        }
                    }
                } catch (e) {
                    console.log('h5Player: initForShadowRoot failed')
                }
            }
 
            function hackAttachShadow() { // attachShadow - DOM Standard
 
                let _prototype_ = window && window.HTMLElement ? window.HTMLElement.prototype : null;
                if (_prototype_ && typeof _prototype_.attachShadow == 'function') {
 
                    let _attachShadow = _prototype_.attachShadow
 
                    hackAttachShadow = null
                    _prototype_.attachShadow = function() {
                        let arg = [...arguments];
                        if (arg[0] && arg[0].mode) arg[0].mode = 'open';
                        let shadowRoot = _attachShadow.apply(this, arg);
                        initForShadowRoot(shadowRoot);
                        return shadowRoot
                    };
 
                    _prototype_.attachShadow.toString = () => _attachShadow.toString();
 
                }
 
            }
 
            function hackCreateShadowRoot() { // createShadowRoot - Deprecated
 
                let _prototype_ = window && window.HTMLElement ? window.HTMLElement.prototype : null;
                if (_prototype_ && typeof _prototype_.createShadowRoot == 'function') {
 
                    let _createShadowRoot = _prototype_.createShadowRoot;
 
                    hackCreateShadowRoot = null
                    _prototype_.createShadowRoot = function() {
                        const shadowRoot = _createShadowRoot.apply(this, arguments);
                        initForShadowRoot(shadowRoot);
                        return shadowRoot;
                    };
                    _prototype_.createShadowRoot.toString = () => _createShadowRoot.toString();
 
                }
            }
 
 
 
 
            /* 事件偵聽hack */
            function hackEventListener() {
                if (!window.Node) return;
                const _prototype = window.Node.prototype;
                let _addEventListener = _prototype.addEventListener;
                let _removeEventListener = _prototype.removeEventListener;
                if (typeof _addEventListener == 'function' && typeof _removeEventListener == 'function') {} else return;
                hackEventListener = null;
 
                class Listeners {
 
                    constructor(dom, type) {
                        Object.defineProperty(this, '_dom', {
                            value: dom,
                            writable: true,
                            enumerable: false,
                            configurable: true
                        });
 
                        Object.defineProperty(this, '_type', {
                            value: type,
                            writable: true,
                            enumerable: false,
                            configurable: true
                        });
 
 
                        Object.defineProperty(this, '_lastId', {
                            value: 0,
                            writable: true,
                            enumerable: false,
                            configurable: true
                        });
 
 
                        Object.defineProperty(this, '_count', {
                            value: 0,
                            writable: true,
                            enumerable: false,
                            configurable: true
                        });
 
 
 
 
                    }
                    get baseFunc() {
                        if (this._dom && this._type) {
                            return this._dom['on' + this._type];
                        }
                    }
                    get funcCount() {
                        if (this._dom && this._type) {
                            return (typeof this.baseFunc == 'function') * 1 + (this.length || 0)
                        }
                    }
                    makeId() {
 
                        return ++this._lastId
                    }
 
                    add(lh) {
 
                        this[++this._lastId] = lh;
 
                    }
 
                    remove(lh_removal) {
 
                        for (let k in this) {
                            let lh = this[k]
                            if (lh && lh.constructor == ListenerHandle && lh_removal.isEqual(lh)) {
                                delete this[k];
                                this._count--;
                            }
                        }
 
 
                    }
 
 
 
                }
 
 
                class ListenerHandle {
                    constructor(func, options) {
                        this.func = func
                        this.options = options
                    }
 
                    isEqual(anotherLH) {
 
                        if (this.func != anotherLH.func) return false;
                        if (this.options === anotherLH.options) return true;
                        if (this.options && anotherLH.options && typeof this.options == 'object' && typeof anotherLH.options == 'object') {} else {
                            return false;
                        }
 
                        return this.uOpt() == anotherLH.uOpt()
 
 
 
                    }
                    uOpt() {
                        let opt1 = "";
                        for (var k in this.options) {
                            opt1 += ", " + k + " : " + (typeof this[k] == 'boolean' ? this[k] : "N/A");
                        }
 
                        return opt1;
 
 
                    }
 
 
                }
 
 
 
                let hackedEvtCount = 0;
 
                const options_passive_capture = {
                    passive: true,
                    capture: true
                }
                const options_passive_bubble = {
                    passive: true,
                    capture: false
                }
 
                const wmListeners = new WeakMap();
                let phListeners = Promise.resolve();
 
                let phActioners = Promise.resolve();
                let phActionersCount = 0;
 
                _prototype.addEventListener = function() {
                    //console.log(3321,arguments[0])
                    const args = arguments
                    const type = args[0]
                    const listener = args[1]
 
                    if (!this || !(this instanceof Node) || typeof type != 'string' || typeof listener != 'function') {
                        // if (!this || !(this instanceof EventTarget) || typeof type != 'string' || typeof listener != 'function') {
                        return _addEventListener.apply(this, args)
                        //unknown bug?
                    }
 
                    let bClickAction = false;
                    switch (type) {
                        case 'load':
                        case 'beforeunload':
                        case 'DOMContentLoaded':
                            return _addEventListener.apply(this, args);
                            break;
                        case 'mousewheel':
                        case 'touchstart':
                        case 'wheel':
                        case 'timeupdate':
                            if (!(args[2] && typeof args[2] == 'object')) {
                                const options = args[2] === true ? options_passive_capture : options_passive_bubble
                                args[2] = options
                            }
                            if(1){
                                const nType = `__nListener|${type}__`;
                                const nListener = listener[nType] || function() {
                                    const _listener = listener;
                                    const _this = this;
                                    const _arguments = arguments;
                                    const calling=() => {
                                            phActioners=phActioners.then(()=>{
                                                _listener.apply(_this, _arguments);
                                                phActionersCount--;
                                            })
                                        }
                                    if(phActionersCount===0){
                                        phActionersCount++
                                        window.requestAnimationFrame(calling)
                                    }else{
                                        phActionersCount++
                                        calling();
                                    }
                                };
                                listener[nType] = nListener;
                                args[1] = nListener;
                            }
                            break;
                        case 'mouseout':
                        case 'mouseover':
                        case 'focusin':
                        case 'focusout':
                        case 'mouseenter':
                        case 'mouseleave':
                        case 'mousemove':
                            if (this.nodeType === 1 && this.nodeName != "BODY" && this.nodeName != "HTML") {
                                const nType = `__nListener|${type}__`
                                const nListener = listener[nType] || function() {
                                    window.requestAnimationFrame(() => listener.apply(this, arguments))
                                }
                                listener[nType] = nListener;
                                args[1] = nListener;
                            }
                            break;
                        case 'click':
                        case 'mousedown':
                        case 'mouseup':
                            bClickAction = true;
                            break;
                        default:
                            return _addEventListener.apply(this, args);
                    }
 
 
                    if (bClickAction) {
 
 
                        let res;
                        res = _addEventListener.apply(this, args)
 
                        phListeners=phListeners.then(()=>{
 
                            let listeners = wmListeners.get(this);
                            if (!listeners) wmListeners.set(this, listeners = {});
 
                            let lh = new ListenerHandle(args[1], args[2])
 
                            listeners[type] = listeners[type] || new Listeners(this, type)
 
                            listeners[type].add(lh)
                            listeners[type]._count++;
 
                        })
 
                        return res
 
 
                    } else if (arguments[2] && arguments[2].passive) {
 
                        const nType = `__nListener|${type}__`
                        const nListener = listener[nType] || function() {
                            return Promise.resolve().then(() => listener.apply(this, arguments))
                        }
 
                        listener[nType] = nListener;
                        args[1] = nListener;
 
                    }
 
 
                    return _addEventListener.apply(this, args);
 
 
                }
                // hack removeEventListener
                _prototype.removeEventListener = function() {
 
                    let args = arguments
                    let type = args[0]
                    let listener = args[1]
 
 
                    if (!this || !(this instanceof Node) || typeof type != 'string' || typeof listener != 'function') {
                        return _removeEventListener.apply(this, arguments)
                        //unknown bug?
                    }
 
                    let bClickAction = false;
                    switch (type) {
                        case 'load':
                        case 'beforeunload':
                        case 'DOMContentLoaded':
                            return _removeEventListener.apply(this, args);
                            break;
                        case 'mousewheel':
                        case 'touchstart':
                        case 'wheel':
                        case 'timeupdate':
                            if (!(args[2] && typeof args[2] == 'object')) {
                                const options = args[2] === true ? options_passive_capture : options_passive_bubble
                                args[2] = options
                            }
                            break;
                        case 'mouseout':
                        case 'mouseover':
                        case 'focusin':
                        case 'focusout':
                        case 'mouseenter':
                        case 'mouseleave':
                        case 'mousemove':
 
                            break;
                        case 'click':
                        case 'mousedown':
                        case 'mouseup':
                            bClickAction = true;
                            break;
                        default:
                            return _removeEventListener.apply(this, args);
                    }
 
                    if (bClickAction) {
 
 
                        phListeners=phListeners.then(()=>{
                            let listeners = wmListeners.get(this);
                            if (listeners) {
                                let lh_removal = new ListenerHandle(args[1], args[2])
 
                                listeners[type].remove(lh_removal)
                            }
                        })
                        return _removeEventListener.apply(this, args);
 
 
                    } else {
                        const nType = `__nListener|${type}__`
                        if (typeof listener[nType] == 'function') arguments[1] = listener[nType]
                        return _removeEventListener.apply(this, arguments);
                    }
 
 
 
 
                }
                _prototype.addEventListener.toString = () => _addEventListener.toString();
                _prototype.removeEventListener.toString = () => _removeEventListener.toString();
 
 
            }
 
 
            function initShadowRoots(rootDoc) {
                function onReady() {
                    var treeWalker = rootDoc.createTreeWalker(
                        rootDoc.documentElement,
                        NodeFilter.SHOW_ELEMENT, {
                            acceptNode: (node) => (node.shadowRoot ? NodeFilter.FILTER_ACCEPT : NodeFilter.FILTER_SKIP)
                        }
                    );
                    var nodeList = [];
                    while (treeWalker.nextNode()) nodeList.push(treeWalker.currentNode);
                    for (const node of nodeList) {
                        initForShadowRoot(node.shadowRoot)
                    }
                }
                if (rootDoc.readyState !== 'loading') {
                    onReady();
                } else {
                    rootDoc.addEventListener('DOMContentLoaded', onReady, false);
                }
            }
 
            function captureVideoEvents(rootDoc) {
 
                var g = function(evt) {
 
 
                    var domElement = evt.target || this || null
                    if (domElement && domElement.nodeType == 1 && domElement.nodeName == "VIDEO") {
                        var video = domElement
                        if (!domElement.getAttribute('_h5ppid')) handlerVideoFound(video);
                        if (domElement.getAttribute('_h5ppid')) {
                            switch (evt.type) {
                                case 'loadedmetadata':
                                    return $hs.handlerVideoLoadedMetaData.call(video, evt);
                                    //  case 'playing':
                                    //      return $hs.handlerVideoPlaying.call(video, evt);
                                    //  case 'pause':
                                    //      return $hs.handlerVideoPause.call(video, evt);
                                    //  case 'volumechange':
                                    //      return $hs.handlerVideoVolumeChange.call(video, evt);
                            }
                        }
                    }
 
 
                }
 
                // using capture phase
                rootDoc.addEventListener('loadedmetadata', g, $mb.eh_capture_passive());
 
            }
 
            function handlerVideoFound(video) {
 
                if (!video) return;
                if (video.getAttribute('_h5ppid')) return;
                let alabel = video.getAttribute('aria-label')
                if (alabel && typeof alabel == "string" && alabel.toUpperCase() == "GIF") return;
 
 
                consoleLog('handlerVideoFound', video)
 
                $hs.intVideoInitCount = ($hs.intVideoInitCount || 0) + 1;
                let vpid = 'h5p-' + $hs.intVideoInitCount
                consoleLog(' - HTML5 Video is detected -', `Number of Videos: ${$hs.intVideoInitCount}`)
                if ($hs.intVideoInitCount === 1) $hs.fireGlobalInit();
                video.setAttribute('_h5ppid', vpid)
 
 
                playerConfs[vpid] = new PlayerConf();
                playerConfs[vpid].domElement = video;
                playerConfs[vpid].domActive = DOM_ACTIVE_FOUND;
 
                let rootNode = getRoot(video);
 
                if (rootNode.host) $hs.getPlayerBlockElement(video); // shadowing
                let rootElm = domAppender(rootNode) || document.documentElement //48763
                _add_filter(rootElm) // either main document or shadow node
 
 
 
                video.addEventListener('playing', $hs.handlerVideoPlaying, $mb.eh_capture_passive());
                video.addEventListener('pause', $hs.handlerVideoPause, $mb.eh_capture_passive());
                video.addEventListener('volumechange', $hs.handlerVideoVolumeChange, $mb.eh_capture_passive());
 
 
 
 
            }
 
 
            hackAttachShadow()
            hackCreateShadowRoot()
            hackEventListener()
 
 
            window.addEventListener('message', $hs.handlerWinMessage, false);
            $hs.bindDocEvents(document);
            captureVideoEvents(document);
            initShadowRoots(document);
 
 
            let windowsLD = (function() {
                let ls_res = [];
                try {
                    ls_res = [!!window.localStorage, !!window.top.localStorage];
                } catch (e) {}
                try {
                    let winp = window;
                    let winc = 0;
                    while (winp !== window.top && winp && ++winc) winp = winp.parentNode;
                    ls_res.push(winc);
                } catch (e) {}
                return ls_res;
            })();
 
            consoleLogF('- h5Player Plugin Loaded -', ...windowsLD)
 
            function isInCrossOriginFrame() {
                let result = true;
                try {
                    if (window.top.localStorage || window.top.location.href) result = false;
                } catch (e) {}
                return result
            }
 
            if (isInCrossOriginFrame()) consoleLog('cross origin frame detected');
 
 
            const $bv = {
 
                boostVideoPerformanceActivate: function() {
                    if ($bz.boosted) return;
                    $bz.boosted = true;
                },
 
 
                boostVideoPerformanceDeactivate: function() {
                    if (!$bz.boosted) return;
                    $bz.boosted = false;
                }
 
            }
 
 
 
        })();
 
})(window.unsafeWindow, window);