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HTML5 Video Player Enhance

To enhance the functionality of HTML5 Video Player (h5player) supporting all websites using shortcut keys similar to PotPlayer.

このスクリプトの質問や評価の投稿はこちら通報はこちらへお寄せください。
// ==UserScript==
// @name         HTML5 Video Player Enhance
// @version      2.9.6.1
// @description  To enhance the functionality of HTML5 Video Player (h5player) supporting all websites using shortcut keys similar to PotPlayer.
// @author       CY Fung
// @icon https://image.flaticon.com/icons/png/128/3291/3291444.png
// @match        https://*/*
// @match        http://*/*
// @exclude      https://www.youtube.com/live_chat*
// @run-at       document-start
// @require https://cdnjs.cloudflare.com/ajax/libs/js-sha256/0.9.0/sha256.min.js
// @namespace https://greasyfork.org/users/371179
// @grant   GM_getValue
// @grant   GM_setValue
// @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';


    !(() => 0)({
        requestAnimationFrame,
        cancelAnimationFrame,
        MutationObserver,
        setInterval,
        clearInterval,
        EventTarget,
        Promise,
        ResizeObserver
    });
    //throw Error if your browser is too outdated. (eg ES6 script, no such window object)

    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 $$addEventListener = Node.prototype.addEventListener;
    const $$removeEventListener = Node.prototype.removeEventListener;

    const $bz = {
            boosted: false
        }

    const utPositioner='KVZX';

    1&&!(function $$() {
        'use strict';

        if (!document) return;
        if (!document.documentElement) return window.requestAnimationFrame($$);

        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) delayCall[p] = window.clearTimeout(delayCall[p])
            if (f) delayCall[p] = window.setTimeout(f, d)
        }

        function isVideoPlaying(video){
            return video.currentTime > 0 && !video.paused && !video.ended && video.readyState > video.HAVE_CURRENT_DATA;
        }


        const wmListeners = new WeakMap();

        class Listeners {
            constructor() {}
            get count() {
                return (this._count || 0)
            }
            makeId() {
                return ++this._lastId
            }
            add(lh) {
                this[++this._lastId] = lh;
                this._count++;
            }
            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') {
                    return this.uOpt() == anotherLH.uOpt()
                } else {
                    return false;
                }
            }
            uOpt() {
                let opt1 = "";
                for (var k in this.options) {
                    opt1 += ", " + k + " : " + (typeof this[k] == 'boolean' ? this[k] : "N/A");
                }
                return opt1;
            }
        }


        Object.defineProperties(Listeners.prototype, {
            _lastId: {
                value: 0,
                writable: true,
                enumerable: false,
                configurable: true
            },
            _count: {
                value: 0,
                writable: true,
                enumerable: false,
                configurable: true
            }
        });




        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_KEY_DOWN = 64;
        const DOM_ACTIVE_FULLSCREEN = 128;
        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 rootDocs = [];

        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);



        class VQuery{

            constructor(){
            this.videos={};
                this.wmMutations={};
            }
            setVideo(key, value){this.videos[key]=value}
            player(key){
                const video=this.videos[key];
                return video&&video.parentNode?video:null;
            }
            rootNode(key){
                const video=this.videos[key];
                return video?getRoot(video):null;
            }

        }

        const $vQuery=new VQuery();

        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 || !player.parentNode) continue;
                const vpid = player.getAttribute('_h5ppid');
                if (!vpid) continue;
                if (vpid in detected_changes) continue;
                detected_changes[vpid] = true;
                const {wPlayerInner,wPlayer} = $hs.getPlayerBlockElement(player)
                if (!wPlayerInner) continue;
                const layoutBoxInner = wPlayerInner.parentNode
                if (!layoutBoxInner) continue;
                let tipsDom = layoutBoxInner.querySelector('[data-h5p-pot-tips]');

                if (tipsDom) {
                    if (tipsDom._tips_display_none) tipsDom.setAttribute('data-h5p-pot-tips', '')
                    $hs.fixNonBoxingVideoTipsPosition(tipsDom, player);
                } else {
                    tipsDom = $vQuery.rootNode(vpid).querySelector(`#${player.getAttribute('_h5player_tips')}`)
                    if (tipsDom) {
                        if (tipsDom._tips_display_none) tipsDom.setAttribute('data-h5p-pot-tips', '')
                        $hs.change_layoutBox(tipsDom, player);
                        $hs.tipsDomObserve(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;
                $$addEventListener.call(document.createAttribute('z'), '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;
                $$addEventListener.call(document.createAttribute('z'), '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]);
                }
            }
        }

        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 = window.setInterval(this.loopingFrame, 300);
            }
            loopStop() {
                if (this.cid) window.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 || !player.parentNode) 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 = $hs.player();
                if (!playerElm || !playerElm.parentNode) return;
                for (let view_key in this.filter_key) {
                    let filter_value = +((+this.filter_key[view_key] || 0).toFixed(3))
                    let addTo = true;
                    switch (view_key) {
                        case 'brightness':
                            /* fall through */
                        case 'contrast':
                            /* fall through */
                        case 'saturate':
                            if (decimalEqual(filter_value, 1.0)) addTo = false;
                            break;
                        case 'hue-rotate':
                            /* fall through */
                        case 'blur':
                            if (decimalEqual(filter_value, 0.0)) addTo = false;
                            break;
                    }
                    let view_unit = this.filter_view_units[view_key] || ''
                    if (addTo) view.push(`${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 = {
            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 = parseFloat(vElx_css.paddingLeft) + parseFloat(vElx_css.paddingRight)
                            vElCSSw += vElx_wp
                            let vElx_hp = parseFloat(vElx_css.paddingTop) + parseFloat(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);

            },
            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;
                }
        };

        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

                    Promise.resolve().then(() => {

                        //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();
                    }
                }
            }

        };

        const $hs = {

            /* 提示文本的字號 */
            fontSize: 16,
            enable: true,
            playerInstance: null,
            /* 快進快退步長 */
            skipStep: 5,

            mouseMoveCount: 0,

            //video mouse enter and leave
            mouseActioner: {
                calls: [],
                time: 0,
                cid: 0,
                lastFound: null,
                lastHoverElm: null
            },

            mouseEnteredElement: null,

            actionBoxRelations: {},
            tipsClassName: 'html_player_enhance_tips',

            //cursor control
            mointoringVideo:false, //false -> xxx -> null -> xxx

            //global focused video
            focusHookVId: '',

            /* 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;
                    }
                }
                if(res && res.parentNode)return res;
                return null;
            },

            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) || (domActive & DOM_ACTIVE_KEY_DOWN) || (domActive & DOM_ACTIVE_FULLSCREEN)) {
                            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


            },


            handlerVideoPlaying: function(evt) {
                const videoElm = evt.target || this || null;

                if (!videoElm || videoElm.nodeName != "VIDEO") return;

                const vpid = videoElm.getAttribute('_h5ppid')

                if (!vpid) return;

                        $bv.boostVideoPerformanceActivate();

                //console.log('video play',videoElm.duration,videoElm.currentTime)

                Promise.resolve().then(() => {

                    if ($hs.cid_playHook > 0) window.clearTimeout($hs.cid_playHook);
                    $hs.cid_playHook = window.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.focusHookVId = vpid
                        }

                        $hs.hcDelayMouseHideAndStartMointoring(videoElm);

                    }, 100)

                }).then(() => {

                    const playerConf = $hs.getPlayerConf(videoElm)

                    if (playerConf) {
                        if (playerConf.timeout_pause > 0) playerConf.timeout_pause = window.clearTimeout(playerConf.timeout_pause);
                        playerConf.lastPauseAt = 0
                        playerConf.domActive |= DOM_ACTIVE_ONCE_PLAYED;
                        playerConf.domActive &= ~DOM_ACTIVE_DELAYED_PAUSED;
                    }

                }).then(() => {

                    $hs._actionBoxObtain(videoElm);

                }).then(() => {

                    $hs.swtichPlayerInstance();



                }).then(() => {

                    if (!$hs.enable) return $hs.tips(false);

                    if (videoElm._isThisPausedBefore_) consoleLog('resumed')
                    let _pausedbefore_ = videoElm._isThisPausedBefore_

                    if (videoElm.playpause_cid) {
                        window.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 = window.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;
                        $bv.boostVideoPerformanceDeactivate();

                const isVideoEnded = (decimalEqual(videoElm.duration,videoElm.currentTime));



                Promise.resolve().then(() => {

                    if ($hs.cid_playHook > 0) window.clearTimeout($hs.cid_playHook);
                    $hs.cid_playHook = window.setTimeout(function() {
                        let allPaused = true;
                        for (var k in playerConfs) {
                            if (playerConfs[k].domElement.paused === false) {
                                allPaused = false;
                                break;
                            }
                        }
                        if (allPaused) {
                            $hs.focusHookVId = vpid
                        }
                    }, 100)

                }).then(() => {

                    const playerConf = $hs.getPlayerConf(videoElm)
                    if (playerConf) {
                        playerConf.lastPauseAt = +new Date;
                        playerConf.timeout_pause = window.setTimeout(() => {
                            if (playerConf.lastPauseAt > 0) playerConf.domActive |= DOM_ACTIVE_DELAYED_PAUSED;
                        }, 600)
                    }

                }).then(() => {

                    if(!isVideoEnded){

                        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) {
                            window.clearTimeout(videoElm.playpause_cid);
                            videoElm.playpause_cid = 0;
                        }
                        if (_last_paused === !videoElm.paused) {
                            videoElm.playpause_cid = window.setTimeout(() => {
                                if (videoElm.paused === !_last_paused && videoElm.paused) {
                                    $hs._tips(videoElm, 'Playback paused', undefined, 2500)
                                }
                            }, 90)
                        }

                    }else{

                        videoElm._isThisPausedBefore_ = true;
                    }


                    if (videoElm._record_continuous && videoElm._record_continuous.isFunctionLooping) {
                        window.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) {

                let 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() {

                    let makeTips = false;
                    Promise.resolve(videoElm).then((videoElm) => {


                        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 videoElm;

                    }).then((videoElm) => {

                        if (makeTips) $hs._tips(videoElm, 'Volume: ' + dround(videoElm.volume * 100) + '%', undefined, 3000);

                        $hs._volume_change_counter = 0;

                    })
                    videoElm = null

                })



            },
            handlerVideoLoadedMetaData: function(evt) {
                const videoElm = evt.target || this || null;

                if (!videoElm || videoElm.nodeName != "VIDEO") return;

                Promise.resolve(videoElm).then((videoElm) => {

                    consoleLog('video size', videoElm.videoWidth + ' x ' + videoElm.videoHeight);

                    let vpid = videoElm.getAttribute('_h5ppid') || null;
                    if (!vpid || !videoElm.currentSrc) return;

                    let videoElm_withSrcChanged = null

                    if ($hs.varSrcList[vpid] != videoElm.currentSrc) {
                        $hs.varSrcList[vpid] = videoElm.currentSrc;
                        $hs.videoSrcFound(videoElm);
                        videoElm_withSrcChanged = videoElm;
                    }
                    if (!videoElm._onceVideoLoaded) {
                        videoElm._onceVideoLoaded = true;
                        playerConfs[vpid].domActive |= DOM_ACTIVE_SRC_LOADED;
                    }

                    return videoElm_withSrcChanged
                }).then((videoElm_withSrcChanged) => {

                    if (videoElm_withSrcChanged) $hs._actionBoxObtain(videoElm_withSrcChanged);



                })

            },
            handlerSizing:(entries)=>{

                for(const {target} of entries){

                    let cw=target.clientWidth
                    let ch=target.clientHeight
                    target.__clientWidth = cw
                    target.__clientHeight = ch
                    target.mouseMoveMax = Math.sqrt(cw * cw + ch * ch) * 0.06;


                }

            },

            mouseAct: function() {

                $hs.mouseActioner.cid = 0;

                if (+new Date - $hs.mouseActioner.time < 30) {
                    $hs.mouseActioner.cid = window.setTimeout($hs.mouseAct, 82)
                    return;
                }

                if ($hs.mouseDownAt && $hs.mouseActioner.lastFound && $hs.mouseDownAt.insideVideo === $hs.mouseActioner.lastFound) {

                    return;

                }

                const getVideo = (target) => {


                    const actionBoxRelation = $hs.getActionBoxRelationFromDOM(target);
                    if (!actionBoxRelation) return;
                    const actionBox = actionBoxRelation.actionBox
                    if (!actionBox) return;
                    const vpid = actionBox.getAttribute('_h5p_actionbox_');
                    const videoElm = actionBoxRelation.player;
                    if (!videoElm) return;

                    return videoElm
                }

                Promise.resolve().then(() => {
                    for (const {
                            type,
                            target
                        } of $hs.mouseActioner.calls) {
                        if (type == 'mouseenter') {
                            const videoElm = getVideo(target);
                            if (videoElm) {
                                return videoElm
                            }
                        }
                    }
                    return null;
                }).then(videoFound => {

                    Promise.resolve().then(() => {

                        var plastHoverElm = $hs.mouseActioner.lastHoverElm;
                        $hs.mouseActioner.lastHoverElm = $hs.mouseEnteredElement;

                        //console.log(!!$hs.mointoringVideo , !!videoFound)
                        //console.log(554,'mointoringVideo:'+!!$hs.mointoringVideo,'videoFound:'+ !!videoFound)

                        if ($hs.mointoringVideo && !videoFound) {
                            $hs.hcShowMouseAndRemoveMointoring($vQuery.player($hs.mointoringVideo))
                        } else if ($hs.mointoringVideo && videoFound) {
                            if (plastHoverElm != $hs.mouseActioner.lastHoverElm) $hs.hcMouseShowWithMonitoring(videoFound);
                        } else if (!$hs.mointoringVideo && videoFound) {
                            $hs.hcDelayMouseHideAndStartMointoring(videoFound)
                        }

                        $hs.mouseMoveCount = 0;
                        $hs.mouseActioner.calls.length = 0;
                        $hs.mouseActioner.lastFound = videoFound;

                    })



                    if (videoFound !== $hs.mouseActioner.lastFound) {
                        if ($hs.mouseActioner.lastFound) {
                            $hs.handlerElementMouseLeaveVideo($hs.mouseActioner.lastFound)
                        }
                        if (videoFound) {
                            $hs.handlerElementMouseEnterVideo(videoFound)
                        }
                    }


                })

            },
            handlerElementMouseEnterVideo: function(video) {

                //console.log('mouseenter video')

                const playerConf = $hs.getPlayerConf(video)
                if (playerConf) {
                    playerConf.domActive |= DOM_ACTIVE_MOUSE_IN;
                }

                $hs._actionBoxObtain(video);

                $hs.enteredActionBoxRelation = $hs.actionBoxRelations[video.getAttribute('_h5ppid') || 'null'] || null

            },
            handlerElementMouseLeaveVideo: function(video) {

                //console.log('mouseleave video')

                const playerConf = $hs.getPlayerConf(video)
                if (playerConf) {
                    playerConf.domActive &= ~DOM_ACTIVE_MOUSE_IN;
                }


                $hs.enteredActionBoxRelation = null


            },
            handlerElementMouseEnter: function(evt) {
                if ($hs.intVideoInitCount > 0) {} else {
                    return;
                }
                if (!evt || !evt.target || !(evt.target.nodeType > 0)) return;

                $hs.mouseEnteredElement = evt.target

                if ($hs.mouseDownAt && $hs.mouseDownAt.insideVideo) return;

                if ($hs.enteredActionBoxRelation && $hs.enteredActionBoxRelation.pContainer && $hs.enteredActionBoxRelation.pContainer.contains(evt.target)) return;

                //console.log('mouseenter call')

                $hs.mouseActioner.calls.length = 1;
                $hs.mouseActioner.calls[0] = {
                    type: evt.type,
                    target: evt.target
                }


                //$hs.mouseActioner.calls.push({type:evt.type,target:evt.target});
                $hs.mouseActioner.time = +new Date;

                if (!$hs.mouseActioner.cid) {
                    $hs.mouseActioner.cid = window.setTimeout($hs.mouseAct, 82)
                }

                //console.log(evt.target)

            },
            handlerElementMouseLeave: function(evt) {
                if ($hs.intVideoInitCount > 0) {} else {
                    return;
                }
                if (!evt || !evt.target || !(evt.target.nodeType > 0)) return;

                if ($hs.mouseDownAt && $hs.mouseDownAt.insideVideo) return;

                if ($hs.enteredActionBoxRelation && $hs.enteredActionBoxRelation.pContainer && !$hs.enteredActionBoxRelation.pContainer.contains(evt.target)) {

                    //console.log('mouseleave call')

                    //$hs.mouseActioner.calls.push({type:evt.type,target:evt.target});
                    $hs.mouseActioner.time = +new Date;

                    if (!$hs.mouseActioner.cid) {
                        $hs.mouseActioner.cid = window.setTimeout($hs.mouseAct, 82)
                    }
                }

            },
            handlerElementMouseDown: function(evt) {
                if ($hs.mouseDownAt) return;
                $hs.mouseDownAt = {
                    elm: evt.target,
                    insideVideo: false,
                    pContainer: null
                };


                if ($hs.intVideoInitCount > 0) {} else {
                    return;
                }

                //  $hs._mouseIsDown=true;

                if (!evt || !evt.target || !(evt.target.nodeType > 0)) return;

                if ($hs.mouseActioner.lastFound && $hs.mointoringVideo) $hs.hcMouseShowWithMonitoring($hs.mouseActioner.lastFound)

                Promise.resolve(evt.target).then((evtTarget) => {


                    if (document.readyState != "complete") return;


                    function notAtVideo() {
                        if ($hs.focusHookVId) $hs.focusHookVId = ''
                    }


                    const actionBoxRelation = $hs.getActionBoxRelationFromDOM(evtTarget);
                    if (!actionBoxRelation) return notAtVideo();
                    const actionBox = actionBoxRelation.actionBox
                    if (!actionBox) return notAtVideo();
                    const vpid = actionBox.getAttribute('_h5p_actionbox_');
                    if (!vpid) return notAtVideo();
                    const videoElm = actionBoxRelation.player;
                    if (!videoElm) return notAtVideo();

                    if (!$hs.mouseDownAt) return;
                    $hs.mouseDownAt.insideVideo = videoElm;

                    $hs.mouseDownAt.pContainer = actionBoxRelation.pContainer;

                    $hs.focusHookVId = vpid



                    const playerConf = $hs.getPlayerConf(videoElm)
                    if (playerConf) {
                        delayCall("$$actionBoxClicking", function() {
                            playerConf.domActive &= ~DOM_ACTIVE_MOUSE_CLICK;
                        }, 137)
                        playerConf.domActive |= DOM_ACTIVE_MOUSE_CLICK;
                    }


                    return videoElm

                }).then((videoElm) => {

                    if (!videoElm) return;

                    $hs._actionBoxObtain(videoElm);

                    return videoElm

                }).then((videoElm) => {

                    if (!videoElm) return;

                    $hs.swtichPlayerInstance();

                })

            },
            handlerElementMouseUp: function(evt) {

                if ($hs.pendingTips) {

                    let pendingTips = $hs.pendingTips;
                    $hs.pendingTips = null;

                    for (let vpid in pendingTips) {
                        const tipsDom = pendingTips[vpid]
                        Promise.resolve(tipsDom).then((tipsDom) => {
                            if(tipsDom.getAttribute('_h5p_animate')=='P') tipsDom.setAttribute('_h5p_animate','');
                        })
                    }
                    pendingTips = null;

                }
                if ($hs.mouseDownAt) {

                    $hs.mouseDownAt = null;
                }
            },
            handlerElementWheelTuneVolume: function(evt) { //shift + wheel

                if ($hs.intVideoInitCount > 0) {} else {
                    return;
                }

                if (!evt.shiftKey || !evt.target || !(evt.target.nodeType > 0)) return;

                const fDeltaY = (evt.deltaY > 0) ? 1 : (evt.deltaY < 0) ? -1 : 0;
                if (fDeltaY) {



                    const randomID = +new Date
                    $hs.handlerElementWheelTuneVolume._randomID = randomID;


                    Promise.resolve(evt.target).then((evtTarget) => {


                        const actionBoxRelation = $hs.getActionBoxRelationFromDOM(evtTarget);
                        if (!actionBoxRelation) return;
                        const actionBox = actionBoxRelation.actionBox
                        if (!actionBox) return;
                        const vpid = actionBox.getAttribute('_h5p_actionbox_');
                        const videoElm = actionBoxRelation.player;
                        if (!videoElm) return;

                        let player = $hs.player();
                        if (!player || !player.parentNode || player != videoElm) return;

                        return videoElm

                    }).then((videoElm) => {
                        if (!videoElm) return;

                        if ($hs.handlerElementWheelTuneVolume._randomID != randomID) return;
                        // $hs._actionBoxObtain(videoElm);
                        return videoElm;
                    }).then((player) => {
                        if (!player || !player.parentNode) return;
                        if ($hs.handlerElementWheelTuneVolume._randomID != randomID) return;
                        if (fDeltaY > 0) {
                            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)
                        } else if (fDeltaY < 0) {
                            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
                }
            },

            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;

                }
            },

            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

            },

            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)
                //console.log('xx', outerLayout.querySelectorAll('[class*="-fullscreen"]').length, allFullScreenBtns.length)
                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: []
                };




            },


            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 || !player.parentNode) return null;
                let vpid = player.getAttribute('_h5ppid');
                if (!vpid) return null;

                let actionBoxRelation = $hs.actionBoxRelations[vpid],
                    layoutBox = null,
                    actionBox = null,
                    boxSearchResult = null,
                    fullscreenBtns = null,
                    wPlayer = null;

                function a() {
                    let wPlayerr= $hs.getPlayerBlockElement(player);
                    wPlayer = wPlayerr.wPlayer;
                    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
                    }
                    domNodes=null;


                    const pContainer = actionRelation.pContainer;
                    setDOM_mflag(player, pContainer, vpid)
                    for (const btn of fullscreenBtns) setDOM_mflag(btn, pContainer, vpid)
                    setDOM_mflag = null;

                    $hs.actionBoxRelations[vpid] = actionRelation


                    //console.log('mutt0',pContainer)
                    $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.fullscreenBtns && actionBoxRelation.fullscreenBtns.length > 0) {

                            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();
                            //console.log(3535,fullscreenBtns.length)
                            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;
                                }
                            }

                        }

                    }

                    for(const rootDoc of rootDocs) {
                        const elms = rootDoc.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();
                a = null;
                if (actionBox) {
                    let 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);
                            domNodes=null;
                            pElm=null;
                            b = null;
                            return actionBox
                        }
                        pElm = pElm.parentNode;
                    }
                }

                return null;


                // if (!actionBox.hasAttribute('tabindex')) actionBox.setAttribute('tabindex', '-1');




            },

            videoSrcFound: function(player) {

                // src loaded

                if (!player || !player.parentNode) 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 k3 = `_h5_player_play_progress_${_uid_encrypted}`;
                        let k3n = `_play_progress_${_uid_encrypted}`;
                        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_);
                            window.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
                    window.setTimeout(function() {



                        let k1 = '_h5_player_play_progress_';
                        let k3 = `_h5_player_play_progress_${_uid_encrypted}`;
                        let k3n = `_play_progress_${_uid_encrypted}`;

                        //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--;
                            }
                        }

                        let asyncPromise = Promise.resolve();

                        if (recordedTime !== null) {
                            asyncPromise = asyncPromise.then(() => {
                                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

                            asyncPromise = asyncPromise.then(() => {
                                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_}`)
                            })
                        }

                        asyncPromise = asyncPromise.then(() => {
                            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('mouseup', $hs.handlerElementMouseUp, 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})

                }
            },

            createGlobalCSS: function(){

                let res = [];

                res.push(`
                .ytp-chrome-bottom+span#volumeUI:last-child:empty{
                    display:none;
                }
                html{
                    cursor:var(--h5p-hide-cursor) !important; /* only override if custom property is set*/
                }
                iframe[src][id]{
                    contain: strict;
                }
                `);

                if(document.domain=='bilibili.com'){
                    res.push(`
                    #bilibili-player .bpx-player-row-dm-wrap{
                        contain: strict;
                    }
                    #bilibili-player .b-danmaku{
                        contain: content;
                    }
                    #bilibili-player{
                        contain: strict;
                    }
                    #bilibili-player .bpx-player-video-area{
                        contain: strict;
                    }
                    .bb-comment, .recom-list{
                        contain: content;
                    }
                    `);
                }else if(document.domain=='youtube.com'){
                    res.push(`
                    #masthead-container, ytd-masthead#masthead{
                        contain: content;
                    }
                    ytd-watch-flexy #player, ytd-player#ytd-player{
                        contain: content;
                    }
                    .ytp-caption-window-container .caption-window, .ytp-caption-window-container .captions-text, .ytp-caption-window-container .caption-visual-line, .ytp-caption-window-container .ytp-caption-segment{
                        contain: content;
                    }
                    `);
                }

                domTool.addStyle(res.join('\n').trim());

            },

            fireGlobalInit: function() {
                if ($hs.intVideoInitCount != 1) return;
                if (!$hs.varSrcList) $hs.varSrcList = {};

                Store.clearInvalid(_sVersion_)

                Promise.resolve().then(() => {
                    $hs.createGlobalCSS();
                });

            },
            getPlaybackRate: function() {
                let playbackRate = Store.read('_playback_rate_');
                if(+playbackRate>0) return +((+playbackRate).toFixed(1));
                return 1.0;
            },

            _getPlayerBlockElement:function(player){


                let layoutBox = null,
                    wPlayer = null, wPlayerInner=null;

                if (!player || !player.parentNode) {
                    return null;
                }

                //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

                    wPlayerInner=wPlayer

                    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){
                    let p={wPlayerInner,wPlayer};
                    return p;
                }
                throw 'unknown error';
            },

            parentingN:function(elm, parent, n){

                if(!elm || !parent) return false;
                let pElm=elm;
                for(let i =0;i<n && pElm;i++) pElm=pElm.parentNode;
                return (pElm===parent);

            },

            parentingInclusive:function(elm, parent){

                let pElm=elm, arr=[];
                while(pElm){
                    arr.push(pElm);
                    if(pElm===parent)break;
                    pElm=pElm.parentNode;
                }
                if(pElm===parent) return arr;
                return null;

            },
            __layout_resize_observer_callback__: (entries, observer)=>{
                const player = observer.player;
                player._cache_wPlayerr=null;
                for(const {target} of entries){
                    if('__to_player_n__' in target && target.__to_player_n__>=0){
                        if(!$hs.parentingN(player, target, target.__to_player_n__)) observer.unobserve(target)
                    }else{
                        observer.unobserve(target)
                    }
                }
            },
            getPlayerBlockElement: function(player) {

                if (!player || !player.parentNode) {
                    return null;
                }

                if(!player.__layout_resize_observer__){

                    let wPlayerr = $hs._getPlayerBlockElement(player)
                    let {wPlayerInner,wPlayer}=wPlayerr
                    let layoutBox = wPlayer.parentNode

                    player.__layout_resize_observer__=new ResizeObserver($hs.__layout_resize_observer_callback__)
                    player.__layout_resize_observer__.player=player;

                    let kh= $hs.parentingInclusive(player, layoutBox);
                    if(kh){

                        for(const elm of kh) player.__layout_resize_observer__.observe(elm)
                        player.__layout_resize_n__=kh.length

                    }else{
                        player.__layout_resize_n__=0
                    }

                    player._cache_wPlayerr=wPlayerr;
                    return player._cache_wPlayerr;
                }


                if(player._cache_wPlayerr && player.__layout_resize_n__>0) {
                    let kt=$hs.parentingN(player, player._cache_wPlayerr.wPlayer.parentNode, player.__layout_resize_n__-1);
                    if(kt) return player._cache_wPlayerr;
                }

                let wPlayerr=$hs._getPlayerBlockElement(player);

                let {wPlayerInner,wPlayer} = wPlayerr
                let layoutBox = wPlayer.parentNode

                let kh= $hs.parentingInclusive(player, layoutBox);

                if(kh){

                    let wi=0;
                    for(const elm of kh) {
                        elm.__to_player_n__=wi;
                        player.__layout_resize_observer__.observe(elm)
                        wi++;
                    }
                    player.__layout_resize_n__=kh.length
                }else{
                    player.__layout_resize_n__=0
                }
                player._cache_wPlayerr=wPlayerr
                return player._cache_wPlayerr;

            },
            change_layoutBox: function(tipsDom, player) {
                if (!player || !player.parentNode) return;
                let {wPlayerInner,wPlayer} = $hs.getPlayerBlockElement(player);
                let layoutBoxInner = wPlayerInner.parentNode;
                let beforeParent = tipsDom.parentNode;

                if ((layoutBoxInner && layoutBoxInner.nodeType == 1) && (!beforeParent || beforeParent !== layoutBoxInner)) {

                    consoleLog('changed_layoutBox')
                    if (beforeParent && beforeParent !== layoutBoxInner){
                        if($hs.observer_resizeVideos) $hs.observer_resizeVideos.unobserve(beforeParent)
                        if(tipsDom.nextSibling && tipsDom.nextSibling.nodeName==utPositioner) beforeParent.removeChild(tipsDom.nextSibling);
                    }
                    layoutBoxInner.insertBefore(tipsDom, wPlayerInner);

                }

                tipsDom._playerVPID = player.getAttribute('_h5ppid');
            },

            _hasEventListener: function(elm, p) {
                if (typeof elm['on' + p] == 'function') return true;
                let listeners = $hs._getEventListeners(elm)
                if (listeners) {
                    const cache = listeners[p]
                    return cache && cache.count > 0
                }
                return false;
            },

            _getEventListeners: function(elmNode) {
                let listeners = wmListeners.get(elmNode);
                if (listeners && typeof listeners == 'object') return listeners;
                return null;
            },

            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 = $hs._hasEventListener(pElm, 'click');
                        funcTest = funcTest || $hs._hasEventListener(pElm, 'mousedown');
                        funcTest = funcTest || $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 ('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)
                    }
                }

                parentNode = null;

                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.parentNode || !player.ownerDocument || !('exitFullscreen' in player.ownerDocument)) return;

                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());
                        player = null;
                        actionBoxRelation = null;
                        return;
                    }

                    let fsElm = $vQuery.rootNode(vpid).querySelector(`[_h5p_fsElm_="${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;
                    }


                    player = null;
                    actionBoxRelation = null;

                    if (gPlayer != fsElm && !fsElm) {
                        delayCall('$$videoReset_fsElm', function() {
                            gPlayer.removeAttribute('_h5p_fsElm_')
                        }, 137)
                    }

                    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 + '')
                    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 $hs.tips(-_amount + ' Sec. Backward', undefined, 3000)
                }
            },
            tuneCurrentTime: function(amount) {
                let _amount = +(+amount).toFixed(1);
                if (!$hs.isNum(_amount)) return;
                let player = $hs.player();

                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 = isVideoPlaying(video);

                    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 player = $hs.player()

                let intAmount = Math.round(amount * 100)

                let intOldVol = Math.round(player.volume * 100)
                let intNewVol = intOldVol + intAmount


                //0.53 -> 0.55

                //0.53 / 0.05 =10.6 => 11  => 11*0.05 = 0.55

                intNewVol = Math.round(intNewVol / intAmount) * intAmount
                if (intAmount > 0 && intNewVol - intOldVol > intAmount) intNewVol -= intAmount;
                else if (intAmount < 0 && intNewVol - intOldVol < intAmount) intNewVol -= intAmount;


                let _amount = intAmount / 100;
                let oldVol = intOldVol / 100;
                let newVol = intNewVol / 100;


                if (newVol < 0) newVol = 0;
                if (newVol > 1) newVol = 1;
                let chVol = oldVol !== newVol && newVol >= 0 && newVol <= 1;

                if (chVol) {

                    if (_amount > 0 && oldVol < 1) {
                        player.volume = newVol // positive
                    } else if (_amount < 0 && oldVol > 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)
                }
            },
            tipsDomObserve: (tipsDom, player) => {

                //observe not fire twice for the same element.
                if (!$hs.observer_resizeVideos) $hs.observer_resizeVideos = new ResizeObserver(hanlderResizeVideo)
                $hs.observer_resizeVideos.observe(tipsDom.parentNode)
                $hs.observer_resizeVideos.observe(player)

                $hs.fixNonBoxingVideoTipsPosition(tipsDom, player);


            },
            _tips: function(player, str, duration, order) {


                if (!player || !player.parentNode) return;
                const vpid = player.getAttribute('_h5ppid');
                if (!vpid) return;
                //$vQuery.rootNode(vpid)
                let fSetDOM = false;

                Promise.resolve().then(() => {


                    if (!player.getAttribute('_h5player_tips')){

                        // 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.initTips(player);
                    }

                }).then(() => {
                    let tipsSelector = '#' + player.getAttribute('_h5player_tips') //if this attribute still doesnt exist, set it to the base cls name
                    let tipsDom = $vQuery.rootNode(vpid).querySelector(tipsSelector)
                    if (!tipsDom) {
                        consoleLog('init h5player tips dom error...')
                        return false
                    }
                    return tipsDom
                }).then((tipsDom) => {
                    if (tipsDom === false) return false;

                    if (str === false) {
                        if ((tipsDom.getAttribute('data-h5p-pot-tips') || '').length) {
                            tipsDom.setAttribute('data-h5p-pot-tips', '');
                            tipsDom._tips_display_none = true;
                        }
                        return tipsDom;
                    }

                    order = order || 1000
                    tipsDom.tipsOrder = tipsDom.tipsOrder || 0;

                    if (order < tipsDom.tipsOrder && tipsDom._tips_display_none == false){
                        return tipsDom;
                    }

                    if (tipsDom._tips_display_none || tipsDom._playerVPID != vpid) {
                        $hs.change_layoutBox(tipsDom, player);
                        fSetDOM = true;
                    }

                    if (duration === undefined) duration = 2000

                    $hs.pendingTips = $hs.pendingTips || {};

                    if($hs.pendingTips[tipsDom._playerVPID] && tipsDom.tipsOrder == order && duration > 0){
                        tipsDom.setAttribute('data-h5p-pot-tips', str);
                        tipsDom.style['animation-duration']=duration+'ms';
                    }else{
                        $hs.pendingTips[tipsDom._playerVPID] = tipsDom
                        tipsDom.removeAttribute('_h5p_animate'); //force animation reset
                        tipsDom.setAttribute('data-h5p-pot-tips', str);
                        tipsDom._tips_display_none = false;
                        if(duration>0) tipsDom.style['animation-duration']=duration+'ms';
                        const withFadeOut = duration > 0 && !($hs.mouseDownAt && $hs.mouseDownAt.insideVideo === player);
                        1&&!(function(tipsDom, withFadeOut) {
                            window.requestAnimationFrame(function() {
                                tipsDom.setAttribute('_h5p_animate', withFadeOut?'':'P');
                                if(withFadeOut) delete $hs.pendingTips[tipsDom._playerVPID];
                                tipsDom=null;
                            })
                        })(tipsDom, withFadeOut);
                        if (!(duration > 0)) {
                            order = -1;
                        }
                        tipsDom.tipsOrder = order
                    }
                    return tipsDom;
                }).then((tipsDom) => {
                    if (tipsDom === false) return false;

                    if (fSetDOM) {
                        $hs.tipsDomObserve(tipsDom, player);

                    }

                })

            },
            tips: function(str, duration, order) {
                let player = $hs.player()
                if (!player || !player.parentNode) {
                    consoleLog('h5Player Tips:', str)
                } else {
                    $hs._tips(player, str, duration, order)

                }

            },
            handler_tipsDom_animation:function(e) {
                    this._tips_display_none = true;
                },
            initTips: function(player) {
                /* 設置提示DOM的樣式 */

                if(!player || !player.parentNode)return;

                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 = `
                    ${utPositioner}{
                        position:absolute !important;
                        top:auto !important;
                        left:auto !important;
                        right:auto !important;
                        bottom:auto !important;
                        width:0 !important;
                        height:0 !important;
                        margin:0 !important;
                        padding:0 !important;
                        border:0 !important;
                        outline:0 !important;
                        transform:none !important;
                        contain: strict;
                    }
                    [data-h5p-pot-tips][_h5p_animate]{
                        animation: 2s linear 0s normal forwards 1 delayHide;
                    }

                    [data-h5p-pot-tips][_h5p_animate="P"]{
                        animation-play-state:paused;
                    }
                    [data-h5p-pot-tips]{
                        opacity:.95; transform: translate(0px, 0px);
                    }

                    @keyframes delayHide{
                        0%, 99% { opacity:0.95; transform: translate(0px, 0px); }
                        100% { opacity:0; transform:translate(-9999px, -9999px); }
                    }
                    [data-h5p-pot-tips]{
                        font-weight: bold !important;
                        position:absolute !important;
                        top:auto !important;
                        left:auto !important;
                        right:auto !important;
                        bottom:auto !important;

                        display:inline-block;
                        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;
                        max-width:500px;max-height:50px;
                        border-radius:3px;
                        font-family: 'microsoft yahei', Verdana, Geneva, sans-serif;
                        pointer-events: none;
                        contain: content;
                    }
                    [data-h5p-pot-tips]::before{
                        content:attr(data-h5p-pot-tips);
                        display:inline-block;
                        position:relative;

                    }
                    body div[data-h5p-pot-tips]{
                        -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')

                tipsDom.addEventListener(crossBrowserTransition('animation'), $hs.handler_tipsDom_animation, $mb.eh_bubble_passive())

                tipsDom.id = tcn;
                tipsDom.setAttribute('data-h5p-pot-tips', '');
                tipsDom._tips_display_none = true;
                $hs.change_layoutBox(tipsDom, player);

                return true;
            },


            isNum:(d)=>(d>0||d<0||d===0),
            fixNonBoxingVideoTipsPosition: function(tipsDom, player) {

                if (!tipsDom || !player) return false;

                let ct = tipsDom.parentNode

                if (!ct) return false;

//return;
                // absolute

                let targetOffset = {
                    left: 10,
                    top: 15
                };
                if(!tipsDom.nextSibling||tipsDom.nextSibling.nodeName!=utPositioner){
                    tipsDom.parentNode.insertBefore(document.createElement(utPositioner),tipsDom.nextSibling);
                }
                let p = tipsDom.nextSibling.getBoundingClientRect();
                let q = player.getBoundingClientRect();
                let basePos = [+(p.left).toFixed(2), +(p.top).toFixed(2)];
                let targetPos = [+(q.left + targetOffset.left).toFixed(2), +(q.top + targetOffset.top).toFixed(2)];

                let tt=basePos.join(',')+','+targetPos.join(',')

                if(tipsDom.__cache_dim__!=tt){
                    tipsDom.__cache_dim__=tt;


                    let y1 = targetPos[0]- basePos[0]

                    let y2 = targetPos[1]- basePos[1]

                    if($hs.isNum(y1) && $hs.isNum(y2)){
                        tipsDom.style.marginLeft = (y1) + 'px';
                        tipsDom.style.marginTop = (y2) + 'px';
                        return true;
                    }

                }

                tipsDom=null;
                player=null;

            },

            playerTrigger: function(player, event) {



                if (!player || !player.parentNode || !event) return
                const pCode = event.code;
                let keyAsm = (event.shiftKey ? SHIFT : 0) | ((event.ctrlKey || event.metaKey) ? CTRL : 0) | (event.altKey ? ALT : 0);


                if (keyAsm == SHIFT && pCode == 'Backquote') {
                    $hs.enable = !$hs.enable;
                    $hs._tips(player, false);
                    if ($hs.enable) {
                        $hs._tips(player, '啟用h5Player插件')
                    } else {
                        $hs._tips(player, '禁用h5Player插件')
                    }
                    // 阻止事件冒泡
                    return TERMINATE
                }
                if (!$hs.enable) {
                    consoleLog('h5Player 已禁用~')
                    return false
                }


                if (!keyAsm && pCode == 'Enter') { //not NumberpadEnter

                    Promise.resolve(player).then((player) => {
                        $hs._actionBoxObtain(player);
                    }).then(() => {
                        $hs.callFullScreenBtn()
                    })

                    return TERMINATE
                }



                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);
                                let t=player.playbackRate - 0.1;
                                if(t<0.1)t=0.1;
                                $hs.setPlaybackRate(t, true);
                                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, true);
                                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)

                if(!$hs.mointoringVideo) return;

                const player = $vQuery.player($hs.mointoringVideo);

                if (!player) return;


                $hs.mouseMoveCount += Math.sqrt(e.movementX * e.movementX + e.movementY * e.movementY);

                delayCall('$$VideoClearMove', function() {
                    $hs.mouseMoveCount = $hs.mouseMoveCount * 0.4;
                }, 100)

                delayCall('$$VideoClearMove2', function() {
                    $hs.mouseMoveCount = $hs.mouseMoveCount * 0.1;
                }, 400)

                if ($hs.mouseMoveCount > player.mouseMoveMax) {
                    $hs.hcMouseShowWithMonitoring(player)
                }

            },

            _hcMouseHidePre: function(player) {
                if (player.paused === true) {
                    $hs.hcShowMouseAndRemoveMointoring(player);
                    return;
                }
                if ($hs.mouseEnteredElement) {
                    const elm = $hs.mouseEnteredElement;
                    switch (getComputedStyle(elm).getPropertyValue('cursor')) {
                        case 'grab':
                        case 'pointer':
                            return;
                    }
                    if (elm.hasAttribute('alt')) return;
                    if (elm.getAttribute('aria-hidden') == 'true') return;
                }
                Promise.resolve().then(() => {
                    if (!$hs.mouseDownAt && !$hs.hide_cursor_css) {
                        let htmlRoot = player.ownerDocument.querySelector('html');
                        htmlRoot.style.setProperty('--h5p-hide-cursor','none');
                        $hs.hide_cursor_css=true;
                        //if(!htmlRoot.hasAttribute('_h5p_hide_cursor')) htmlRoot.setAttribute('_h5p_hide_cursor', '');
                    }
                    player = null;
                })
                return true;
            },

            hcStartMointoring:(player)=>{


                $hs.mouseMoveCount = 0;

                Promise.resolve($hs._hcMouseHidePre(player)).then(r => {
                    if (r) {

                        if($hs.mointoringVideo===false) player.ownerDocument.addEventListener('mousemove', $hs.handlerPlayerLockedMouseMove, $mb.eh_capture_passive())
                        $hs.mointoringVideo = player.getAttribute('_h5ppid');

                    }

                    player = null;

                })

            },

            hcMouseHideAndStartMointoring: function(player) {

                //console.log(554, 'hcMouseHideAndStartMointoring')
                delayCall('$$hcMouseMove')

                $hs.hcStartMointoring(player)


            },

            hcDelayMouseHideAndStartMointoring: function(player) {
                //console.log(554, 'hcDelayMouseHideAndStartMointoring')
                delayCall('$$hcMouseMove', ()=> $hs.hcStartMointoring(player), 1240)
            },

            hcMouseShowWithMonitoring: function(player) {
                //console.log(554, 'hcMouseShowWithMonitoring')
                delayCall('$$hcMouseMove', function() {
                    $hs.mouseMoveCount = 0;
                    $hs._hcMouseHidePre(player)
                }, 1240)
                $hs.mouseMoveCount = 0;
                if( $hs.hide_cursor_css ){
                    let htmlRoot = player.ownerDocument.querySelector('html');
                    $hs.hide_cursor_css=false;
                    htmlRoot.style.setProperty('--h5p-hide-cursor','');
                }
                //if(htmlRoot.hasAttribute('_h5p_hide_cursor')) htmlRoot.removeAttribute('_h5p_hide_cursor')
            },

            hcShowMouseAndRemoveMointoring: function(player) {
                //console.log(554, 'hcShowMouseAndRemoveMointoring')
                delayCall('$$hcMouseMove')
                if($hs.mointoringVideo) $hs.mointoringVideo = null;
                $hs.mouseMoveCount = 0;
                if( $hs.hide_cursor_css ){
                    let htmlRoot = player.ownerDocument.querySelector('html');
                    $hs.hide_cursor_css=false;
                    htmlRoot.style.setProperty('--h5p-hide-cursor','');
                }
                //if(htmlRoot.hasAttribute('_h5p_hide_cursor')) htmlRoot.removeAttribute('_h5p_hide_cursor')

            },



            handlerElementFocus: function(event) {

                function notAtVideo() {
                    if ($hs.focusHookVId) $hs.focusHookVId = ''
                }

                const hookVideo = $hs.focusHookVId ? $vQuery.player($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.focusHookVId = vpid
                    }
                    hookTheActionedVideo();
                    window.setTimeout(hookTheActionedVideo, 300)
                    window.setTimeout(() => {
                        const chFull = $hs.toolCheckFullScreen(player.ownerDocument);
                        if (chFull) {
                            $hs.hcMouseHideAndStartMointoring(player);
                        } else {
                            $hs.hcShowMouseAndRemoveMointoring(player);
                        }
                    });

                    const playerConf = $hs.getPlayerConf(videoElm)
                    if (playerConf) {
                        delayCall("$$actionBoxFullscreen", function() {
                            playerConf.domActive &= ~DOM_ACTIVE_FULLSCREEN;
                        }, 137)
                        playerConf.domActive |= DOM_ACTIVE_FULLSCREEN;
                    }

                    $hs.swtichPlayerInstance()

                } else {
                    $hs.focusHookVId = ''
                }
            },


            isEditableElement:function(elm){

                if(elm&& elm.nodeType==1 ){

                    return elm.nodeName=="TEXTAREA" || elm.nodeName=="INPUT" || elm.hasAttribute('contenteditable');
                }
                return false
            },

            /* 按鍵響應方法 */
            handlerRootKeyDownEvent: function(event) {

                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 keyAsm = (event.shiftKey ? SHIFT : 0) | ((event.ctrlKey || event.metaKey) ? CTRL : 0) | (event.altKey ? ALT : 0);
                let hookVideo = null;

                if($hs.isEditableElement(document.activeElement)){
                    $hs.focusHookVId=null
                } else if (document.fullscreenElement) {
                    let playingVideo = document.fullscreenElement.querySelector('VIDEO[_h5ppid]');
                    if(!playingVideo) return;
                    if (!keyAsm && pCode == 'Escape') {
                        window.setTimeout(() => {
                            if (document.fullscreenElement) {
                                document.exitFullscreen();
                            }
                        }, 270);
                        return;
                    }
                    $hs.focusHookVId = playingVideo.getAttribute('_h5ppid');
                }else{
                    const actionBoxRelation = $hs.getActionBoxRelationFromDOM(event.target)
                    if (actionBoxRelation) {
                        $hs.focusHookVId = actionBoxRelation.player.getAttribute('_h5ppid');
                    } else if ($hs.enteredActionBoxRelation && $hs.enteredActionBoxRelation.pContainer ){
                        $hs.focusHookVId=$hs.enteredActionBoxRelation.player.getAttribute('_h5ppid');
                    }
                }

                hookVideo = $hs.focusHookVId ? $vQuery.player($hs.focusHookVId) : null

                if (!hookVideo || !hookVideo.parentNode) return; // no video tag

                let videoElm = hookVideo

                const playerConf = $hs.getPlayerConf(videoElm)
                if (playerConf) {
                    delayCall("$$actionBoxKeyDown", function() {
                        playerConf.domActive &= ~DOM_ACTIVE_KEY_DOWN;
                    }, 137)
                    playerConf.domActive |= DOM_ACTIVE_KEY_DOWN;
                }

                $hs.swtichPlayerInstance()

                let player = hookVideo;

                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 || !player.parentNode) 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);

                    }
                }
            } 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.HTMLElement || !window.HTMLElement.prototype) return;
            const _prototype = window.HTMLElement.prototype;
            let _addEventListener = _prototype.addEventListener;
            let _removeEventListener = _prototype.removeEventListener;
            if (typeof _addEventListener == 'function' && typeof _removeEventListener == 'function') {} else return;
            hackEventListener = null;

            const options_passive_capture = {
                passive: true,
                capture: true
            }
            const options_passive_bubble = {
                passive: true,
                capture: false
            }

            let phListeners = Promise.resolve();

            function getEventChoice(type){
                let eventChoice = 0;
                switch (type) {
                    case 'load':
                    case 'beforeunload':
                    case 'DOMContentLoaded':
                        eventChoice=9;
                        break;
                    case 'touchstart':
                    case 'touchmove':
                    case 'wheel':
                    case 'mousewheel':
                    case 'timeupdate':
                        eventChoice=6;
                        break;
                    case 'mouseout':
                    case 'mouseover':
                    case 'focusin':
                    case 'focusout':
                    case 'mouseenter':
                    case 'mouseleave':
                    case 'mousemove':
                        eventChoice=8;
                        break;
                    case 'click':
                    case 'mousedown':
                    case 'mouseup':
                        eventChoice=2;
                        break;
                    default:
                        eventChoice=9;
                }
                return eventChoice;

            }


            _prototype.addEventListener = function addEventListener() {
                const args = arguments
                const type = args[0]
                const listener = args[1]

                if (!this || typeof type != 'string' || typeof listener != 'function') {
                    return _addEventListener.apply(this, args);
                }

                let eventChoice = getEventChoice(type);

                if(eventChoice==2) {

                    phListeners = phListeners.then(() => {
                        let listeners = wmListeners.get(this);
                        if (!listeners) wmListeners.set(this, listeners = {});
                        if (!listeners[type]) listeners[type] = new Listeners();
                        let lh = new ListenerHandle(args[1], args[2]);
                        listeners[type].add(lh);
                    })

                }

                return _addEventListener.apply(this, args);


            }
            // hack removeEventListener
            _prototype.removeEventListener = function removeEventListener() {

                let args = arguments;
                let type = args[0];
                let listener = args[1];

                if (!this || typeof type != 'string' || typeof listener != 'function') {
                    return _removeEventListener.apply(this, args);
                    //unknown bug?
                }

                let eventChoice = getEventChoice(type);

                if (eventChoice ==2) {

                    phListeners = phListeners.then(() => {
                        const listeners = wmListeners.get(this);
                        if (listeners) {
                            let lh = new ListenerHandle(args[1], args[2]);
                            listeners[type].remove(lh);
                        }
                    })

                }

                return _removeEventListener.apply(this, args);

            }
            _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) {

        rootDocs.push(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;

            const toSkip = (() => {
                //skip GIF video
                let alabel = video.getAttribute('aria-label')
                if (alabel && typeof alabel == "string" && alabel.toUpperCase() == "GIF") return true;

                //skip video with opacity
                const videoOpacity = video.style.opacity + ''
                if (videoOpacity.length > 0 && +videoOpacity < 0.99 && +videoOpacity >= 0) return true;

                //Google Result Video Preview
                let pElm = video;
                while (pElm && pElm.nodeType == 1) {
                    if (pElm.nodeName == "A" && pElm.getAttribute('href')) return true;
                    pElm = pElm.parentNode
                }
                pElm = null;
            })();

            if (toSkip) return;

            consoleLog('handlerVideoFound', video)

            $hs.intVideoInitCount = ($hs.intVideoInitCount || 0) + 1;
            consoleLog(' - HTML5 Video is detected -', `Number of Videos: ${$hs.intVideoInitCount}`)
            if ($hs.intVideoInitCount === 1) $hs.fireGlobalInit();

            let vpid = 'h5p-', vRootDoc=null;
            for(let wi=rootDocs.length;wi--;){
                if(rootDocs[wi].contains(video)){
                    vpid+=`${wi.toString(36)}-`;
                    vRootDoc=rootDocs[wi]
                    break;
                }
            }
            vpid += `${$hs.intVideoInitCount.toString(36)}`;

            video.setAttribute('_h5ppid', vpid)



            playerConfs[vpid] = new PlayerConf();
            playerConfs[vpid].domElement = video;
            playerConfs[vpid].domActive = DOM_ACTIVE_FOUND;

            let rootNode = getRoot(video);

            $vQuery.setVideo(vpid,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());



            //observe not fire twice for the same element.
            if (!$hs.observer_cacheSizing) $hs.observer_cacheSizing = new ResizeObserver($hs.handlerSizing);
            $hs.observer_cacheSizing.observe(video)



        }


        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);