Current File : /home/tjamichg/cursos.tjamich.gob.mx/web/assets/vrview/src/embed/loading-indicator.js
/*
* Copyright 2016 Google Inc. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Shows a 2D loading indicator while various pieces of EmbedVR load.
*/
function LoadingIndicator() {
this.el = this.build_();
document.body.appendChild(this.el);
this.show();
}
LoadingIndicator.prototype.build_ = function() {
var overlay = document.createElement('div');
var s = overlay.style;
s.position = 'fixed';
s.top = 0;
s.left = 0;
s.width = '100%';
s.height = '100%';
s.background = '#eee';
var img = document.createElement('img');
img.src = 'images/loading.gif';
var s = img.style;
s.position = 'absolute';
s.top = '50%';
s.left = '50%';
s.transform = 'translate(-50%, -50%)';
overlay.appendChild(img);
return overlay;
};
LoadingIndicator.prototype.hide = function() {
this.el.style.display = 'none';
};
LoadingIndicator.prototype.show = function() {
this.el.style.display = 'block';
};
module.exports = LoadingIndicator;
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