selenium real click via xdotool

real-click.js

var Promise = require('bluebird'),
    child_process = require('child_process')
    exec = Promise.promisify(child_process.exec);

realClick(driver, "document.querySelectorAll('.srg > div:nth-child(3) > div:nth-child(1) > h3:nth-child(1) > a:nth-child(1)')[0]");

function realClick(driver, element) {
    return driver.executeScript("\
        document.myNamespace = {};\
        document.myNamespace.mousePositionHandler = function (e) {\
            document.myNamespace.clientX = e.clientX;\
            document.myNamespace.clientY = e.clientY;\
            document.removeEventListener('mousemove', document.myNamespace.mousePositionHandler);\
        };\
        document.addEventListener('mousemove', document.myNamespace.mousePositionHandler);")
    .then(function () {
        return driver.executeScript("\
            return [\
                window.screenX + Math.round(window.outerWidth / 2),\
                window.screenY + Math.round(window.outerHeight / 2)\
            ];");
    }).then(function(val) {
        return exec('xdotool mousemove --sync ' + val[0] + ' ' + val[1]);
    }).then(function () {
        return exec('xdotool mousemove_relative --sync 1 1');
    }).then(function() {
        return driver.executeScript("\
        var uploadRect = " + element + ".getBoundingClientRect();\
        return [\
                uploadRect.left + 10 - document.myNamespace.clientX,\
                uploadRect.top + 4 - document.myNamespace.clientY,\
            ];\
        ");
    }).then(function(val) {
        return exec('xdotool mousemove_relative --sync -- ' + val[0] + ' ' + val[1])
    }).then(function () {
        return exec('xdotool click 1');
    });
}