Google Navigation

Navigate through Google Search with a set of hotkeys.

23.10.2021 itibariyledir. En son verisyonu görün.

Bu betiği kurabilmeniz için Tampermonkey, Greasemonkey ya da Violentmonkey gibi bir kullanıcı betiği eklentisini kurmanız gerekmektedir.

Bu betiği kurabilmeniz için Tampermonkey ya da Violentmonkey gibi bir kullanıcı betiği eklentisini kurmanız gerekmektedir.

Bu betiği kurabilmeniz için Tampermonkey ya da Violentmonkey gibi bir kullanıcı betiği eklentisini kurmanız gerekmektedir.

Bu betiği kurabilmeniz için Tampermonkey ya da Userscripts gibi bir kullanıcı betiği eklentisini kurmanız gerekmektedir.

You will need to install an extension such as Tampermonkey to install this script.

Bu komut dosyasını yüklemek için bir kullanıcı komut dosyası yöneticisi uzantısı yüklemeniz gerekecek.

(Zaten bir kullanıcı komut dosyası yöneticim var, kurmama izin verin!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Zateb bir user-style yöneticim var, yükleyeyim!)

// ==UserScript==
// @name        Google Navigation
// @namespace   veringsek
// @match       http://*.google.com/search*
// @match       http://*.google.ad/search*
// @match       http://*.google.ae/search*
// @match       http://*.google.com.af/search*
// @match       http://*.google.com.ag/search*
// @match       http://*.google.com.ai/search*
// @match       http://*.google.al/search*
// @match       http://*.google.am/search*
// @match       http://*.google.co.ao/search*
// @match       http://*.google.com.ar/search*
// @match       http://*.google.as/search*
// @match       http://*.google.at/search*
// @match       http://*.google.com.au/search*
// @match       http://*.google.az/search*
// @match       http://*.google.ba/search*
// @match       http://*.google.com.bd/search*
// @match       http://*.google.be/search*
// @match       http://*.google.bf/search*
// @match       http://*.google.bg/search*
// @match       http://*.google.com.bh/search*
// @match       http://*.google.bi/search*
// @match       http://*.google.bj/search*
// @match       http://*.google.com.bn/search*
// @match       http://*.google.com.bo/search*
// @match       http://*.google.com.br/search*
// @match       http://*.google.bs/search*
// @match       http://*.google.bt/search*
// @match       http://*.google.co.bw/search*
// @match       http://*.google.by/search*
// @match       http://*.google.com.bz/search*
// @match       http://*.google.ca/search*
// @match       http://*.google.cd/search*
// @match       http://*.google.cf/search*
// @match       http://*.google.cg/search*
// @match       http://*.google.ch/search*
// @match       http://*.google.ci/search*
// @match       http://*.google.co.ck/search*
// @match       http://*.google.cl/search*
// @match       http://*.google.cm/search*
// @match       http://*.google.cn/search*
// @match       http://*.google.com.co/search*
// @match       http://*.google.co.cr/search*
// @match       http://*.google.com.cu/search*
// @match       http://*.google.cv/search*
// @match       http://*.google.com.cy/search*
// @match       http://*.google.cz/search*
// @match       http://*.google.de/search*
// @match       http://*.google.dj/search*
// @match       http://*.google.dk/search*
// @match       http://*.google.dm/search*
// @match       http://*.google.com.do/search*
// @match       http://*.google.dz/search*
// @match       http://*.google.com.ec/search*
// @match       http://*.google.ee/search*
// @match       http://*.google.com.eg/search*
// @match       http://*.google.es/search*
// @match       http://*.google.com.et/search*
// @match       http://*.google.fi/search*
// @match       http://*.google.com.fj/search*
// @match       http://*.google.fm/search*
// @match       http://*.google.fr/search*
// @match       http://*.google.ga/search*
// @match       http://*.google.ge/search*
// @match       http://*.google.gg/search*
// @match       http://*.google.com.gh/search*
// @match       http://*.google.com.gi/search*
// @match       http://*.google.gl/search*
// @match       http://*.google.gm/search*
// @match       http://*.google.gr/search*
// @match       http://*.google.com.gt/search*
// @match       http://*.google.gy/search*
// @match       http://*.google.com.hk/search*
// @match       http://*.google.hn/search*
// @match       http://*.google.hr/search*
// @match       http://*.google.ht/search*
// @match       http://*.google.hu/search*
// @match       http://*.google.co.id/search*
// @match       http://*.google.ie/search*
// @match       http://*.google.co.il/search*
// @match       http://*.google.im/search*
// @match       http://*.google.co.in/search*
// @match       http://*.google.iq/search*
// @match       http://*.google.is/search*
// @match       http://*.google.it/search*
// @match       http://*.google.je/search*
// @match       http://*.google.com.jm/search*
// @match       http://*.google.jo/search*
// @match       http://*.google.co.jp/search*
// @match       http://*.google.co.ke/search*
// @match       http://*.google.com.kh/search*
// @match       http://*.google.ki/search*
// @match       http://*.google.kg/search*
// @match       http://*.google.co.kr/search*
// @match       http://*.google.com.kw/search*
// @match       http://*.google.kz/search*
// @match       http://*.google.la/search*
// @match       http://*.google.com.lb/search*
// @match       http://*.google.li/search*
// @match       http://*.google.lk/search*
// @match       http://*.google.co.ls/search*
// @match       http://*.google.lt/search*
// @match       http://*.google.lu/search*
// @match       http://*.google.lv/search*
// @match       http://*.google.com.ly/search*
// @match       http://*.google.co.ma/search*
// @match       http://*.google.md/search*
// @match       http://*.google.me/search*
// @match       http://*.google.mg/search*
// @match       http://*.google.mk/search*
// @match       http://*.google.ml/search*
// @match       http://*.google.com.mm/search*
// @match       http://*.google.mn/search*
// @match       http://*.google.ms/search*
// @match       http://*.google.com.mt/search*
// @match       http://*.google.mu/search*
// @match       http://*.google.mv/search*
// @match       http://*.google.mw/search*
// @match       http://*.google.com.mx/search*
// @match       http://*.google.com.my/search*
// @match       http://*.google.co.mz/search*
// @match       http://*.google.com.na/search*
// @match       http://*.google.com.ng/search*
// @match       http://*.google.com.ni/search*
// @match       http://*.google.ne/search*
// @match       http://*.google.nl/search*
// @match       http://*.google.no/search*
// @match       http://*.google.com.np/search*
// @match       http://*.google.nr/search*
// @match       http://*.google.nu/search*
// @match       http://*.google.co.nz/search*
// @match       http://*.google.com.om/search*
// @match       http://*.google.com.pa/search*
// @match       http://*.google.com.pe/search*
// @match       http://*.google.com.pg/search*
// @match       http://*.google.com.ph/search*
// @match       http://*.google.com.pk/search*
// @match       http://*.google.pl/search*
// @match       http://*.google.pn/search*
// @match       http://*.google.com.pr/search*
// @match       http://*.google.ps/search*
// @match       http://*.google.pt/search*
// @match       http://*.google.com.py/search*
// @match       http://*.google.com.qa/search*
// @match       http://*.google.ro/search*
// @match       http://*.google.ru/search*
// @match       http://*.google.rw/search*
// @match       http://*.google.com.sa/search*
// @match       http://*.google.com.sb/search*
// @match       http://*.google.sc/search*
// @match       http://*.google.se/search*
// @match       http://*.google.com.sg/search*
// @match       http://*.google.sh/search*
// @match       http://*.google.si/search*
// @match       http://*.google.sk/search*
// @match       http://*.google.com.sl/search*
// @match       http://*.google.sn/search*
// @match       http://*.google.so/search*
// @match       http://*.google.sm/search*
// @match       http://*.google.sr/search*
// @match       http://*.google.st/search*
// @match       http://*.google.com.sv/search*
// @match       http://*.google.td/search*
// @match       http://*.google.tg/search*
// @match       http://*.google.co.th/search*
// @match       http://*.google.com.tj/search*
// @match       http://*.google.tl/search*
// @match       http://*.google.tm/search*
// @match       http://*.google.tn/search*
// @match       http://*.google.to/search*
// @match       http://*.google.com.tr/search*
// @match       http://*.google.tt/search*
// @match       http://*.google.com.tw/search*
// @match       http://*.google.co.tz/search*
// @match       http://*.google.com.ua/search*
// @match       http://*.google.co.ug/search*
// @match       http://*.google.co.uk/search*
// @match       http://*.google.com.uy/search*
// @match       http://*.google.co.uz/search*
// @match       http://*.google.com.vc/search*
// @match       http://*.google.co.ve/search*
// @match       http://*.google.vg/search*
// @match       http://*.google.co.vi/search*
// @match       http://*.google.com.vn/search*
// @match       http://*.google.vu/search*
// @match       http://*.google.ws/search*
// @match       http://*.google.rs/search*
// @match       http://*.google.co.za/search*
// @match       http://*.google.co.zm/search*
// @match       http://*.google.co.zw/search*
// @match       http://*.google.cat/search*
// @match       https://*.google.com/search*
// @match       https://*.google.ad/search*
// @match       https://*.google.ae/search*
// @match       https://*.google.com.af/search*
// @match       https://*.google.com.ag/search*
// @match       https://*.google.com.ai/search*
// @match       https://*.google.al/search*
// @match       https://*.google.am/search*
// @match       https://*.google.co.ao/search*
// @match       https://*.google.com.ar/search*
// @match       https://*.google.as/search*
// @match       https://*.google.at/search*
// @match       https://*.google.com.au/search*
// @match       https://*.google.az/search*
// @match       https://*.google.ba/search*
// @match       https://*.google.com.bd/search*
// @match       https://*.google.be/search*
// @match       https://*.google.bf/search*
// @match       https://*.google.bg/search*
// @match       https://*.google.com.bh/search*
// @match       https://*.google.bi/search*
// @match       https://*.google.bj/search*
// @match       https://*.google.com.bn/search*
// @match       https://*.google.com.bo/search*
// @match       https://*.google.com.br/search*
// @match       https://*.google.bs/search*
// @match       https://*.google.bt/search*
// @match       https://*.google.co.bw/search*
// @match       https://*.google.by/search*
// @match       https://*.google.com.bz/search*
// @match       https://*.google.ca/search*
// @match       https://*.google.cd/search*
// @match       https://*.google.cf/search*
// @match       https://*.google.cg/search*
// @match       https://*.google.ch/search*
// @match       https://*.google.ci/search*
// @match       https://*.google.co.ck/search*
// @match       https://*.google.cl/search*
// @match       https://*.google.cm/search*
// @match       https://*.google.cn/search*
// @match       https://*.google.com.co/search*
// @match       https://*.google.co.cr/search*
// @match       https://*.google.com.cu/search*
// @match       https://*.google.cv/search*
// @match       https://*.google.com.cy/search*
// @match       https://*.google.cz/search*
// @match       https://*.google.de/search*
// @match       https://*.google.dj/search*
// @match       https://*.google.dk/search*
// @match       https://*.google.dm/search*
// @match       https://*.google.com.do/search*
// @match       https://*.google.dz/search*
// @match       https://*.google.com.ec/search*
// @match       https://*.google.ee/search*
// @match       https://*.google.com.eg/search*
// @match       https://*.google.es/search*
// @match       https://*.google.com.et/search*
// @match       https://*.google.fi/search*
// @match       https://*.google.com.fj/search*
// @match       https://*.google.fm/search*
// @match       https://*.google.fr/search*
// @match       https://*.google.ga/search*
// @match       https://*.google.ge/search*
// @match       https://*.google.gg/search*
// @match       https://*.google.com.gh/search*
// @match       https://*.google.com.gi/search*
// @match       https://*.google.gl/search*
// @match       https://*.google.gm/search*
// @match       https://*.google.gr/search*
// @match       https://*.google.com.gt/search*
// @match       https://*.google.gy/search*
// @match       https://*.google.com.hk/search*
// @match       https://*.google.hn/search*
// @match       https://*.google.hr/search*
// @match       https://*.google.ht/search*
// @match       https://*.google.hu/search*
// @match       https://*.google.co.id/search*
// @match       https://*.google.ie/search*
// @match       https://*.google.co.il/search*
// @match       https://*.google.im/search*
// @match       https://*.google.co.in/search*
// @match       https://*.google.iq/search*
// @match       https://*.google.is/search*
// @match       https://*.google.it/search*
// @match       https://*.google.je/search*
// @match       https://*.google.com.jm/search*
// @match       https://*.google.jo/search*
// @match       https://*.google.co.jp/search*
// @match       https://*.google.co.ke/search*
// @match       https://*.google.com.kh/search*
// @match       https://*.google.ki/search*
// @match       https://*.google.kg/search*
// @match       https://*.google.co.kr/search*
// @match       https://*.google.com.kw/search*
// @match       https://*.google.kz/search*
// @match       https://*.google.la/search*
// @match       https://*.google.com.lb/search*
// @match       https://*.google.li/search*
// @match       https://*.google.lk/search*
// @match       https://*.google.co.ls/search*
// @match       https://*.google.lt/search*
// @match       https://*.google.lu/search*
// @match       https://*.google.lv/search*
// @match       https://*.google.com.ly/search*
// @match       https://*.google.co.ma/search*
// @match       https://*.google.md/search*
// @match       https://*.google.me/search*
// @match       https://*.google.mg/search*
// @match       https://*.google.mk/search*
// @match       https://*.google.ml/search*
// @match       https://*.google.com.mm/search*
// @match       https://*.google.mn/search*
// @match       https://*.google.ms/search*
// @match       https://*.google.com.mt/search*
// @match       https://*.google.mu/search*
// @match       https://*.google.mv/search*
// @match       https://*.google.mw/search*
// @match       https://*.google.com.mx/search*
// @match       https://*.google.com.my/search*
// @match       https://*.google.co.mz/search*
// @match       https://*.google.com.na/search*
// @match       https://*.google.com.ng/search*
// @match       https://*.google.com.ni/search*
// @match       https://*.google.ne/search*
// @match       https://*.google.nl/search*
// @match       https://*.google.no/search*
// @match       https://*.google.com.np/search*
// @match       https://*.google.nr/search*
// @match       https://*.google.nu/search*
// @match       https://*.google.co.nz/search*
// @match       https://*.google.com.om/search*
// @match       https://*.google.com.pa/search*
// @match       https://*.google.com.pe/search*
// @match       https://*.google.com.pg/search*
// @match       https://*.google.com.ph/search*
// @match       https://*.google.com.pk/search*
// @match       https://*.google.pl/search*
// @match       https://*.google.pn/search*
// @match       https://*.google.com.pr/search*
// @match       https://*.google.ps/search*
// @match       https://*.google.pt/search*
// @match       https://*.google.com.py/search*
// @match       https://*.google.com.qa/search*
// @match       https://*.google.ro/search*
// @match       https://*.google.ru/search*
// @match       https://*.google.rw/search*
// @match       https://*.google.com.sa/search*
// @match       https://*.google.com.sb/search*
// @match       https://*.google.sc/search*
// @match       https://*.google.se/search*
// @match       https://*.google.com.sg/search*
// @match       https://*.google.sh/search*
// @match       https://*.google.si/search*
// @match       https://*.google.sk/search*
// @match       https://*.google.com.sl/search*
// @match       https://*.google.sn/search*
// @match       https://*.google.so/search*
// @match       https://*.google.sm/search*
// @match       https://*.google.sr/search*
// @match       https://*.google.st/search*
// @match       https://*.google.com.sv/search*
// @match       https://*.google.td/search*
// @match       https://*.google.tg/search*
// @match       https://*.google.co.th/search*
// @match       https://*.google.com.tj/search*
// @match       https://*.google.tl/search*
// @match       https://*.google.tm/search*
// @match       https://*.google.tn/search*
// @match       https://*.google.to/search*
// @match       https://*.google.com.tr/search*
// @match       https://*.google.tt/search*
// @match       https://*.google.com.tw/search*
// @match       https://*.google.co.tz/search*
// @match       https://*.google.com.ua/search*
// @match       https://*.google.co.ug/search*
// @match       https://*.google.co.uk/search*
// @match       https://*.google.com.uy/search*
// @match       https://*.google.co.uz/search*
// @match       https://*.google.com.vc/search*
// @match       https://*.google.co.ve/search*
// @match       https://*.google.vg/search*
// @match       https://*.google.co.vi/search*
// @match       https://*.google.com.vn/search*
// @match       https://*.google.vu/search*
// @match       https://*.google.ws/search*
// @match       https://*.google.rs/search*
// @match       https://*.google.co.za/search*
// @match       https://*.google.co.zm/search*
// @match       https://*.google.co.zw/search*
// @match       https://*.google.cat/search*
// @grant       none
// @version     0.2.0
// @author      veringsek
// @description Navigate through Google Search with a set of hotkeys. 
// ==/UserScript==

(function () {
    let css = document.createElement('style');
    css.type = 'text/css';
    css.innerText = `
        :root {
            --google-navigation--button-size: 30px;
            --google-navigation--stroke-color: black;
            --google-navigation--background-color: white;
            --google-navigation--button-opacity: 1;
        }
        
        .google-navigation--button {
            position: absolute;
            left: calc(-5 / 3 * var(--google-navigation--button-size));
            border: 2px var(--google-navigation--stroke-color) solid;
            border-radius: 5px;
            background: var(--google-navigation--background-color);
            box-shadow: 0px 2px var(--google-navigation--stroke-color);
            color: var(--google-navigation--stroke-color) !important;
            opacity: var(--google-navigation--button-opacity);
            text-decoration: none !important;
            width: var(--google-navigation--button-size);
            height: var(--google-navigation--button-size);
            line-height: var(--google-navigation--button-size);
            text-align: center;
            font-size: calc(2 / 3 * var(--google-navigation--button-size));
            user-select: none;
            transition: all 0.1s linear;
        
            animation: spawn 0.2s;
        }
        
        .google-navigation--button.keydown {
            transform: scale(0.8);
        }
        
        .google-navigation--switch {
            opacity: 0;
        }
        
        .google-navigation--switch.keydown {
            opacity: 1;
        }
        
        @keyframes spawn {
            from {
                transform: scale(0);
            }
        }
    `;
    document.head.appendChild(css);
})();

let timeStart = Date.now();
console.log(`Google Navigation start at ${new Date()}`);

let GoogleNavigation = {};
GoogleNavigation.GN_KEYDOWN_TIMER_DURATION = 1000;
GoogleNavigation.GN_KEYDOWN_TIMER_CANCELED = 'GN_KEYDOWN_TIMER_CANCELED';
GoogleNavigation.GN_KEYPRESS_SENSITIVITY = 500;
GoogleNavigation.GN_KEYPRESS_CANCELED = 'GN_KEYPRESS_CANCELED';
GoogleNavigation.GN_BUTTON_SIZE = 30;
GoogleNavigation.GN_BUTTON_SIZE_HALF = GoogleNavigation.GN_BUTTON_SIZE / 2;
GoogleNavigation.keydowns = new Set();
GoogleNavigation.tmrKeydown = undefined;
globalThis.GoogleNavigation = GoogleNavigation;

function setCSSVars() {
    document.documentElement.style.setProperty(
        '--google-navigation--button-size',
        `${globalThis.GoogleNavigation.GN_BUTTON_SIZE}px`
    );
    document.documentElement.style.setProperty(
        '--google-navigation--stroke-color',
        globalThis.getComputedStyle(document.body)['color']
    );
    document.documentElement.style.setProperty(
        '--google-navigation--background-color',
        globalThis.getComputedStyle(document.body)['backgroundColor']
    );
}

function makeTemplate() {
    let template = document.createElement('a');
    template.classList.add('google-navigation--button');
    template.commandKeydown = function () {
        this.classList.add('keydown');
        let documentElement = document.documentElement;
        documentElement.scroll({
            top: this.getBoundingClientRect().top + documentElement.scrollTop - window.innerHeight / 2,
            behavior: 'smooth'
        });
        globalThis.GoogleNavigation.tmrKeydown = globalThis.setTimeout(() => {
            globalThis.clearTimeout(globalThis.GoogleNavigation.tmrKeydown);
            globalThis.GoogleNavigation.tmrKeydown = globalThis.GoogleNavigation.GN_KEYDOWN_TIMER_CANCELED;
            this.classList.remove('keydown');
            this.commandCancel();
        }, globalThis.GoogleNavigation.GN_KEYDOWN_TIMER_DURATION);
    };
    template.commandKeyup = function () {
        this.classList.remove('keydown');
        this.commandPress();
    };
    template.commandPress = function () {
        if (document.getElementById('google-navigation--switch-Control').keydown) {
            window.open(this.link, '_blank');
        } else {
            window.open(this.link, '_self');
        }
    };
    template.commandCancel = function () {
        return;
    };
    globalThis.GoogleNavigation.buttonTemplate = template;
}

function getClonedButton(key, link) {
    let string = key;
    if (Array.isArray(key)) {
        [key, string] = key;
    }
    let cloned = globalThis.GoogleNavigation.buttonTemplate.cloneNode();
    cloned.commandKeydown = globalThis.GoogleNavigation.buttonTemplate.commandKeydown;
    cloned.commandKeyup = globalThis.GoogleNavigation.buttonTemplate.commandKeyup;
    cloned.commandPress = globalThis.GoogleNavigation.buttonTemplate.commandPress;
    cloned.commandCancel = globalThis.GoogleNavigation.buttonTemplate.commandCancel;
    cloned.innerHTML = string;
    cloned.classList.add(`google-navigation--button-${key}`);
    if (link) {
        cloned.link = link;
        cloned.setAttribute('link', link);
    }
    return cloned;
}

function plantButtons() {
    let links = [...document.getElementsByClassName('LC20lb')];
    let num = 0;
    for (let link of links) {
        if (getCollapseSectionParent(link)) continue;
        if (num >= 10) continue;
        let href = link.parentElement.href;
        let cloned;
        if (num === 0) {
            cloned = getClonedButton(['Enter', '⮨'], href);
            cloned.classList.add('google-navigation--button-0');
        } else {
            cloned = getClonedButton(num, href);
        }
        cloned.style.top = `${link.offsetTop + link.clientHeight / 2 - GoogleNavigation.GN_BUTTON_SIZE_HALF}px`;
        link.insertBefore(cloned, link.children[0]);
        num += 1;
    }

    let search = document.getElementById('search');
    if (search) {
        let cloned = getClonedButton(['Control', 'CTRL']);
        cloned.id = 'google-navigation--switch-Control';
        cloned.classList.add('google-navigation--switch');
        cloned.style.left = '-150px';
        cloned.style.width = '80px';
        cloned.style.fontWeight = 'bold';
        cloned.keydown = false;
        cloned.commandKeydown = function () {
            this.tmrKeypress = globalThis.setTimeout(() => {
                this.tmrKeypress = globalThis.GoogleNavigation.GN_KEYPRESS_CANCELED;
            }, globalThis.GoogleNavigation.GN_KEYPRESS_SENSITIVITY);
        };
        cloned.commandKeyup = function () {
            if (this.tmrKeypress === globalThis.GoogleNavigation.GN_KEYPRESS_CANCELED) {
                this.tmrKeypress = undefined;
            } else if (this.tmrKeypress) {
                this.keydown = !this.keydown;
                if (this.keydown) {
                    this.classList.add('keydown');
                } else {
                    this.classList.remove('keydown');
                }
            }
        };
        search.insertBefore(cloned, search.children[0]);
    }

    let btnWiki = document.getElementsByClassName('ruhjFe')[0];
    if (btnWiki) {
        let cloned = getClonedButton(['p', 'P'], btnWiki.href);
        let card = getWidgetParent(btnWiki);
        card.style.position = 'relative';
        card.insertBefore(cloned, card.children[0]);
    }

    let translatorWidgetMain = document.getElementById('tw-main');
    let translatorWidgetSourceTextTA = document.getElementById('tw-source-text-ta');
    if (translatorWidgetMain && translatorWidgetSourceTextTA) {
        let cloned = getClonedButton(['t', 'T']);
        let rectMain = translatorWidgetMain.getBoundingClientRect();
        let rectText = translatorWidgetSourceTextTA.getBoundingClientRect();
        let top = (rectText.bottom + rectText.top) / 2 - rectMain.top - GoogleNavigation.GN_BUTTON_SIZE_HALF;
        cloned.style.top = `${top}px`;
        cloned.commandPress = function () {
            document.getElementById('tw-source-text-ta').focus();
        };
        translatorWidgetMain.style.position = 'relative';
        translatorWidgetMain.insertBefore(cloned, translatorWidgetMain.children[0]);
    }

    let calculatorWidget = document.getElementById('cwos')?.parentElement?.parentElement;
    if (calculatorWidget) {
        let calculatorWidgetParent = getWidgetParent(calculatorWidget);
        let cloned = getClonedButton(['t', 'T']);
        let top = calculatorWidgetParent.clientHeight / 2 - globalThis.GoogleNavigation.GN_BUTTON_SIZE_HALF;
        cloned.style.top = `${top}px`;
        cloned.commandPress = function () {
            document.getElementById('cwos').parentElement.parentElement.focus();
        };
        calculatorWidgetParent.insertBefore(cloned, calculatorWidgetParent.children[0]);
    }

    // let currentPage = document.getElementById('top_nav')?.querySelector('[aria-current=page]');
    // if (currentPage) {
    //     let nav = currentPage.parentElement;
    //     let next = currentPage.nextSibling;
    //     if (!next) next = nav.children[0];
    //     let cloned = getClonedButton(['n', 'N'], next.getElementsByTagName('a')[0]?.href);
    //     cloned.style.left = '130px';
    //     nav.insertBefore(cloned, nav.children[0]);
    // }

    let pnprev = document.getElementById('pnprev');
    if (pnprev) {
        let cloned = getClonedButton([',', ','], pnprev.href);
        cloned.style.top = '-3px';
        cloned.style.left = '-40px';
        pnprev.style.position = 'relative';
        pnprev.insertBefore(cloned, pnprev.children[0]);
    }
    let pnnext = document.getElementById('pnnext');
    if (pnnext) {
        let cloned = getClonedButton(['.', '‧'], pnnext.href);
        cloned.style.top = '-3px';
        cloned.style.left = 'calc(100% + 5px)';
        pnnext.style.position = 'relative';
        pnnext.insertBefore(cloned, pnnext.children[0]);
    }
}

function isCommanding() {
    let target = document.activeElement;
    return !(['INPUT', 'TEXTAREA'].includes(target.tagName) || target.classList.contains('jlkklc'));
}

function cssVar(name) {
    return globalThis.getComputedStyle(document.documentElement).getPropertyValue(name);
}

function getWidgetParent(element) {
    let node = element;
    do {
        let computedStyle = globalThis.getComputedStyle(node);
        let borderWidth = computedStyle.borderWidth;
        if (borderWidth !== '' && !(/^0\D*/.test(borderWidth))) {
            return node;
        }
        node = node.parentElement;
    } while (node !== document.body);
    return null;
}

function getCollapseSectionParent(element) {
    let node = element;
    do {
        if (node.children.length > 0) {
            let computedStyle = globalThis.getComputedStyle(node.children[0]);
            let borderWidth = computedStyle.borderWidth;
            if (borderWidth === '1px 0px 0px') return node;
        }
        node = node.parentElement;
    } while (node !== document.body);
    return null;
}

function assignEventListeners() {
    let onFocusChanged = function (ev) {
        document.documentElement.style.setProperty(
            '--google-navigation--button-opacity',
            isCommanding() ? 1 : 0.5
        );
    };
    window.addEventListener('focus', onFocusChanged, true);
    window.addEventListener('blur', onFocusChanged, true);

    document.body.addEventListener('keydown', function (ev) {
        if (globalThis.GoogleNavigation.keydowns.has(ev.key)) return;
        globalThis.GoogleNavigation.keydowns.add(ev.key);
        if (isCommanding()) {
            let button = document.getElementsByClassName(`google-navigation--button-${ev.key}`)[0];
            if (button) {
                button.commandKeydown();
            }
        }
    });

    document.body.addEventListener('keyup', function (ev) {
        globalThis.GoogleNavigation.keydowns.delete(ev.key);
        if (globalThis.GoogleNavigation.tmrKeydown === globalThis.GoogleNavigation.GN_KEYDOWN_TIMER_CANCELED) {
            globalThis.GoogleNavigation.tmrKeydown = undefined;
            return;
        }
        globalThis.clearTimeout(globalThis.GoogleNavigation.tmrKeydown);
        globalThis.GoogleNavigation.tmrKeydown = undefined;
        if (isCommanding()) {
            let button = document.getElementsByClassName(`google-navigation--button-${ev.key}`)[0];
            if (button) {
                button.commandKeyup();
            }
        }
    });
}

setCSSVars();
makeTemplate();
plantButtons();
assignEventListeners();

console.log(`Google Navigation end at ${new Date()}`);
console.log(`Google Navigation consumed ${Date.now() - timeStart} ms. `);