mirror of
https://github.com/google/blockly.git
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116 lines
3.7 KiB
JavaScript
116 lines
3.7 KiB
JavaScript
/**
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* @license
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* Copyright 2019 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @fileoverview Useragent detection.
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* These methods are not specific to Blockly, and could be factored out into
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* a JavaScript framework such as Closure.
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* @author fraser@google.com (Neil Fraser)
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*/
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'use strict';
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/**
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* @name Blockly.utils.userAgent
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* @namespace
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*/
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goog.provide('Blockly.utils.userAgent');
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goog.require('Blockly.utils.global');
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/** @const {boolean} */
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Blockly.utils.userAgent.IE;
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/** @const {boolean} */
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Blockly.utils.userAgent.EDGE;
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/** @const {boolean} */
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Blockly.utils.userAgent.JAVA_FX;
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/** @const {boolean} */
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Blockly.utils.userAgent.CHROME;
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/** @const {boolean} */
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Blockly.utils.userAgent.WEBKIT;
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/** @const {boolean} */
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Blockly.utils.userAgent.GECKO;
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/** @const {boolean} */
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Blockly.utils.userAgent.ANDROID;
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/** @const {boolean} */
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Blockly.utils.userAgent.IPAD;
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/** @const {boolean} */
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Blockly.utils.userAgent.IPOD;
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/** @const {boolean} */
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Blockly.utils.userAgent.IPHONE;
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/** @const {boolean} */
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Blockly.utils.userAgent.MAC;
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/** @const {boolean} */
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Blockly.utils.userAgent.TABLET;
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/** @const {boolean} */
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Blockly.utils.userAgent.MOBILE;
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(function(raw) {
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Blockly.utils.userAgent.raw = raw;
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var rawUpper = Blockly.utils.userAgent.raw.toUpperCase();
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/**
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* Case-insensitive test of whether name is in the useragent string.
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* @param {string} name Name to test.
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* @return {boolean} True if name is present.
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*/
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function has(name) {
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return rawUpper.indexOf(name.toUpperCase()) != -1;
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}
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// Browsers. Logic from:
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// https://github.com/google/closure-library/blob/master/closure/goog/labs/useragent/browser.js
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Blockly.utils.userAgent.IE = has('Trident') || has('MSIE');
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Blockly.utils.userAgent.EDGE = has('Edge');
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// Useragent for JavaFX:
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// Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.44
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// (KHTML, like Gecko) JavaFX/8.0 Safari/537.44
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Blockly.utils.userAgent.JAVA_FX = has('JavaFX');
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Blockly.utils.userAgent.CHROME = (has('Chrome') || has('CriOS')) &&
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!Blockly.utils.userAgent.EDGE;
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// Engines. Logic from:
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// https://github.com/google/closure-library/blob/master/closure/goog/labs/useragent/engine.js
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Blockly.utils.userAgent.WEBKIT = has('WebKit') &&
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!Blockly.utils.userAgent.EDGE;
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Blockly.utils.userAgent.GECKO = has('Gecko') &&
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!Blockly.utils.userAgent.WEBKIT &&
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!Blockly.utils.userAgent.IE &&
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!Blockly.utils.userAgent.EDGE;
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// Platforms. Logic from:
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// https://github.com/google/closure-library/blob/master/closure/goog/labs/useragent/platform.js and
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// https://github.com/google/closure-library/blob/master/closure/goog/labs/useragent/extra.js
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Blockly.utils.userAgent.ANDROID = has('Android');
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var maxTouchPoints = Blockly.utils.global['navigator'] &&
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Blockly.utils.global['navigator']['maxTouchPoints'];
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Blockly.utils.userAgent.IPAD = has('iPad') ||
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has('Macintosh') && maxTouchPoints > 0;
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Blockly.utils.userAgent.IPOD = has('iPod');
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Blockly.utils.userAgent.IPHONE = has('iPhone') &&
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!Blockly.utils.userAgent.IPAD && !Blockly.utils.userAgent.IPOD;
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Blockly.utils.userAgent.MAC = has('Macintosh');
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// Devices. Logic from:
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// https://github.com/google/closure-library/blob/master/closure/goog/labs/useragent/device.js
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Blockly.utils.userAgent.TABLET = Blockly.utils.userAgent.IPAD ||
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(Blockly.utils.userAgent.ANDROID && !has('Mobile')) || has('Silk');
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Blockly.utils.userAgent.MOBILE = !Blockly.utils.userAgent.TABLET &&
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(Blockly.utils.userAgent.IPOD || Blockly.utils.userAgent.IPHONE ||
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Blockly.utils.userAgent.ANDROID || has('IEMobile'));
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})((Blockly.utils.global['navigator'] && Blockly.utils.global['navigator']['userAgent']) || '');
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