Google translate auto slide

Google translate auto slide on mouseover

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

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

(I already have a user script manager, let me install it!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Google translate auto slide
// @namespace    http://tampermonkey.net/
// @version      0.9
// @description  Google translate auto slide on mouseover
// @author       aseg
// @match        https://*
// @match        http://*
// @grant        none
// @license      MIT
// ==/UserScript==

(function()
{
    'use strict';

    let
        ftcolor = "#4175b4",
        stripX = 510,
        stripY = 40,
        zcont = null,
        lklang = null,
        glink,
        btn1,
        btn1a,
        btn2,
	    observer = new MutationObserver(mutations =>
        {
            for(let mutation of mutations)
            {
                // examine new nodes
                for(let node of mutation.addedNodes)
                {
                    if(!(node instanceof HTMLElement))
                    {
                        continue;
                    }
                    if(document.getElementById(":0.container"))
				    {
                        zcont = document.getElementById(":0.container");
                        glink = document.getElementById(":0.container").contentDocument.body.firstChild.firstChild.firstChild.firstChild.firstChild;
                        lklang = document.getElementById(":0.container").contentDocument.body.firstChild.firstChild.firstChild.children[3].firstChild.firstChild.children[2].firstChild.firstChild;
                        btn1 = document.getElementById(":0.container").contentDocument.body.firstChild.firstChild.firstChild.children[3].firstChild.firstChild.children[2].children[2].firstChild;
                        btn1a = document.getElementById(":0.container").contentDocument.body.firstChild.firstChild.firstChild.children[3].firstChild.firstChild.firstChild.children[2].firstChild;
                        btn2 = document.getElementById(":0.container").contentDocument.body.firstChild.firstChild.firstChild.children[5].firstChild;
                    }
                }
            }

            if(zcont)
            {
                zcont.contentDocument.body.style.backgroundImage = "none";
                zcont.contentDocument.body.style.backgroundColor = "#aaa";
                zcont.style.width = "36px";
                zcont.style.marginLeft = "-10px";
                zcont.style.borderRadius = "0px 8px 8px 0px";

                glink.style.width = "30px";
                glink.firstChild.style.position = "absolute";
                glink.firstChild.style.top = "8px";
                glink.firstChild.style.clip = "rect(0px,17px,20px,0px)";

                lklang.style.color = ftcolor;
                lklang.children[0].style.fontWeight = "bold";
                if(lklang.children[0].firstChild)
                {
                    lklang.children[0].firstChild.style.color = ftcolor;
                }

                if(btn1)
                {
                    btn1.style.border = "none";
                    btn1.firstChild.style.backgroundImage = "none";
                    btn1.firstChild.style.border = "none";
                    btn1.firstChild.firstChild.style.backgroundColor = "#ddd";
                    btn1.firstChild.firstChild.style.borderRadius = "4px";
                    btn1.firstChild.firstChild.style.color = ftcolor;
                }

                if(btn1a)
                {
                    btn1a.style.border = "none";
                    btn1a.firstChild.style.backgroundImage = "none";
                    btn1a.firstChild.style.border = "none";
                    btn1a.firstChild.firstChild.style.backgroundColor = "#ddd";
                    btn1a.firstChild.firstChild.style.borderRadius = "4px";
                    btn1a.firstChild.firstChild.style.color = ftcolor;
                }

                if(btn2)
                {
                    btn2.style.border = "none";
                    btn2.firstChild.style.background = "none";
                    btn2.firstChild.style.border = "none";
                    btn2.firstChild.firstChild.style.backgroundColor = "#ddd";
                    btn2.firstChild.firstChild.style.borderRadius = "4px";
                    btn2.firstChild.firstChild.style.color = ftcolor;
                }

                zcont.onmouseover = function()
                {
                    zcont.style.width = stripX + "px";
                    zcont.style.marginLeft = "0px";

                    glink.style.width = "auto";
                    glink.firstChild.style.position = "initial";

                    document.onmousemove = function(evt)
                    {
                        let evtDoc, doc, body, posX = 0, posY = 0;

                        evt = evt || window.evt;

                        if (evt.pageX == null && evt.clientX != null)
                        {
                            evtDoc = (evt.target && evt.target.ownerDocument) || document;
                            doc = evtDoc.documentElement;
                            body = evtDoc.body;

                            evt.pageX = evt.clientX +
                                    (doc && doc.scrollLeft || body && body.scrollLeft || 0) -
                                    (doc && doc.clientLeft || body && body.clientLeft || 0);

							evt.pageY = evt.clientY +
                                    (doc && doc.scrollTop || body && body.scrollTop || 0) -
                                    (doc && doc.clientTop || body && body.clientTop || 0 );

                            posX = evt.pageX;
							posY = evt.pageY;
                        }
                        else
                        {
                            posX = evt.pageX > evt.clientX ? evt.clientX : evt.pageX;
							posY = evt.pageY > evt.clientY ? evt.clientY : evt.pageY;
                        }

                        if((posX > (stripX + 25)) || (posY > (stripY + 25)))
                        {
                            zcont.style.width = "36px";
                            zcont.style.marginLeft = "-10px";

                            glink.style.width = "30px";
                            glink.firstChild.style.position = "absolute";

                            document.onmousemove = function(){};
                        }
                    }
                }
            }
        });

        observer.observe(document.body, {childList: true});
})();