EBS loading indicator

Cool spinner which lets you know if Oracle EBS is making any async request

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 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        EBS loading indicator
// @namespace   github.com/4O4
// @description Cool spinner which lets you know if Oracle EBS is making any async request
// @include     /^https?://.*/OA_HTML/OA.jsp\?.*(OAFunc=OAHOMEPAGE|\/HomePG|homePage=Y).*$/
// @version     1.0.1
// @require     https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js
// @grant       none
// ==/UserScript==

this.$ = this.jQuery = jQuery.noConflict(true);

injectStyles();

var spinner = new Spinner(document.body);

$(document.body)
    .on('xhrInterceptor:open', function () {
        spinner.show();
    })
    .on('xhrInterceptor:load', function () {
        spinner.hide();
    });

/////////////////

function Spinner(parentDOMElement) {
    this.element = document.createElement('div');
    var spinner = this.$element = $(this.element);
    spinner
        .hide()
        .appendTo(parentDOMElement)
        .css({
            position: "fixed",
            zIndex: "10000",
            left: -1,
            top: 50,
            background: "rgba(0, 0, 0, 0.65)",
            padding: "16px 0px 20px 28px",
            width: "110px",
            height: "25px",
            border: "1px solid rgb(104, 104, 104)",
            color: "white",
            fontFamily: "Arial",
            fontWeight: "bold",
            fontSize: "11px"
        })
        .html(`
            <div style="position: absolute; right: 8px;top: 9px; width: 60px;">
                <div class="circle"></div>
                <div class="circle1"></div>
            </div>
            <div style="margin-top: 9px;margin-left: -12px;">
            Loading
            </div>
        `);
}

Spinner.prototype.show = function () {
    this.$element.fadeIn('fast');
};

Spinner.prototype.hide= function () {
    this.$element.fadeOut('fast');
};

var xhrOpen = XMLHttpRequest.prototype.open;
XMLHttpRequest.prototype.open = function xhrInterceptor() {
    $(document.body).trigger('xhrInterceptor:open');
    
    this.addEventListener('load', function() {
       $(document.body).trigger('xhrInterceptor:load');
    });
    
    xhrOpen.apply(this, arguments);
};

function injectStyles() {
    // CSS taken from  http://www.alessioatzeni.com/blog/css3-loading-animation-loop/
    $('head').append(`
    <style type="text/css">
        .circle {
            background-color: rgba(0,0,0,0);
            border: 5px solid rgba(0,183,229,0.9);
            opacity: .9;
            border-right: 5px solid rgba(0,0,0,0);
            border-left: 5px solid rgba(0,0,0,0);
            border-radius: 50px;
            box-shadow: 0 0 35px #2187e7;
            width: 35px;
            height: 35px;
            margin: 0 auto;
            -moz-animation: spinPulse 1s infinite ease-in-out;
            -webkit-animation: spinPulse 1s infinite linear;
        }

        .circle1 {
            background-color: rgba(0,0,0,0);
            border: 5px solid rgba(0,183,229,0.9);
            opacity: .9;
            border-left: 5px solid rgba(0,0,0,0);
            border-right: 5px solid rgba(0,0,0,0);
            border-radius: 50px;
            box-shadow: 0 0 15px #2187e7;
            width: 20px;
            height: 20px;
            margin: 0 auto;
            position: relative;
            top: -37px;
            -moz-animation: spinoffPulse 1s infinite linear;
            -webkit-animation: spinoffPulse 1s infinite linear;
        }

        @-moz-keyframes spinPulse {
            0% {
                -moz-transform: rotate(160deg);
                opacity: 0;
                box-shadow: 0 0 1px #2187e7;
            }

            50% {
                -moz-transform: rotate(145deg);
                opacity: 1;
            }

            100% {
                -moz-transform: rotate(-320deg);
                opacity: 0;
            };
        }

        @-moz-keyframes spinoffPulse {
            0% {
                -moz-transform: rotate(0deg);
            }

            100% {
                -moz-transform: rotate(360deg);
            };
        }

        @-webkit-keyframes spinPulse {
            0% {
                -webkit-transform: rotate(160deg);
                opacity: 0;
                box-shadow: 0 0 1px #2187e7;
            }

            50% {
                -webkit-transform: rotate(145deg);
                opacity: 1;
            }

            100% {
                -webkit-transform: rotate(-320deg);
                opacity: 0;
            };
        }

        @-webkit-keyframes spinoffPulse {
            0% {
                -webkit-transform: rotate(0deg);
            }

            100% {
                -webkit-transform: rotate(360deg);
            };
        }
    </style>`);
}