/**
* Throbber.js
*
* Released under LGPL License.
* Copyright (c) 1999-2017 Ephox Corp. All rights reserved
*
* License: http://www.tinymce.com/license
* Contributing: http://www.tinymce.com/contributing
*/
/**
* This class enables you to display a Throbber for any element.
*
* @-x-less Throbber.less
* @class tinymce.ui.Throbber
*/
define(
'tinymce.ui.Throbber',
[
"tinymce.core.dom.DomQuery",
"tinymce.ui.Control",
"tinymce.core.util.Delay"
],
function ($, Control, Delay) {
"use strict";
/**
* Constructs a new throbber.
*
* @constructor
* @param {Element} elm DOM Html element to display throbber in.
* @param {Boolean} inline Optional true/false state if the throbber should be appended to end of element for infinite scroll.
*/
return function (elm, inline) {
var self = this, state, classPrefix = Control.classPrefix, timer;
/**
* Shows the throbber.
*
* @method show
* @param {Number} [time] Time to wait before showing.
* @param {function} [callback] Optional callback to execute when the throbber is shown.
* @return {tinymce.ui.Throbber} Current throbber instance.
*/
self.show = function (time, callback) {
function render() {
if (state) {
$(elm).append(
'<div class="' + classPrefix + 'throbber' + (inline ? ' ' + classPrefix + 'throbber-inline' : '') + '"></div>'
);
if (callback) {
callback();
}
}
}
self.hide();
state = true;
if (time) {
timer = Delay.setTimeout(render, time);
} else {
render();
}
return self;
};
/**
* Hides the throbber.
*
* @method hide
* @return {tinymce.ui.Throbber} Current throbber instance.
*/
self.hide = function () {
var child = elm.lastChild;
Delay.clearTimeout(timer);
if (child && child.className.indexOf('throbber') != -1) {
child.parentNode.removeChild(child);
}
state = false;
return self;
};
};
}
);
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