/**
 * Derivative work of FreezeUI
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2017 Alex Radulescu
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
 * OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */
(() => {
    let freezeHtml = document.createElement('div');
    freezeHtml.classList.add('freeze-ui');
    freezeHtml.innerHTML = '<div class="loader-container"><div class="ripple"></div></div>';

    window.FreezeUI = () => {
        let parent = document.body;
        parent.appendChild(freezeHtml);
    };

    window.UnFreezeUI = () => {
        let element = document.querySelector('.freeze-ui');
        if (element) {
            element.classList.add('is-unfreezing');
            setTimeout(() => {
                if (element) {
                    element.classList.remove('is-unfreezing');
                    element.parentElement.removeChild(element);
                }
            }, 250);
        }
    };
})();