70 lines
2.4 KiB
JavaScript
Executable File
70 lines
2.4 KiB
JavaScript
Executable File
/**
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* @license
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* Copyright The Closure Library Authors.
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @fileoverview Closure user device detection (based on user agent).
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* @see http://en.wikipedia.org/wiki/User_agent
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* For more information on browser brand, platform, or engine see the other
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* sub-namespaces in goog.labs.userAgent (browser, platform, and engine).
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*/
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goog.provide('goog.labs.userAgent.device');
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goog.require('goog.labs.userAgent.util');
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/**
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* Currently we detect the iPhone, iPod and Android mobiles (devices that have
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* both Android and Mobile in the user agent string).
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*
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* @return {boolean} Whether the user is using a mobile device.
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*/
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goog.labs.userAgent.device.isMobile = function() {
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'use strict';
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if (goog.labs.userAgent.util.ASSUME_CLIENT_HINTS_SUPPORT ||
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goog.labs.userAgent.util.getUserAgentData()) {
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return goog.labs.userAgent.util.getUserAgentData().mobile;
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}
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return !goog.labs.userAgent.device.isTablet() &&
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(goog.labs.userAgent.util.matchUserAgent('iPod') ||
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goog.labs.userAgent.util.matchUserAgent('iPhone') ||
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goog.labs.userAgent.util.matchUserAgent('Android') ||
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goog.labs.userAgent.util.matchUserAgent('IEMobile'));
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};
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/**
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* Currently we detect Kindle Fire, iPad, and Android tablets (devices that have
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* Android but not Mobile in the user agent string).
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*
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* @return {boolean} Whether the user is using a tablet.
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*/
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goog.labs.userAgent.device.isTablet = function() {
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'use strict';
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if (goog.labs.userAgent.util.ASSUME_CLIENT_HINTS_SUPPORT ||
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goog.labs.userAgent.util.getUserAgentData()) {
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return !goog.labs.userAgent.util.getUserAgentData().mobile &&
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(goog.labs.userAgent.util.matchUserAgent('iPad') ||
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goog.labs.userAgent.util.matchUserAgent('Android') ||
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goog.labs.userAgent.util.matchUserAgent('Silk'));
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}
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return goog.labs.userAgent.util.matchUserAgent('iPad') ||
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(goog.labs.userAgent.util.matchUserAgent('Android') &&
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!goog.labs.userAgent.util.matchUserAgent('Mobile')) ||
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goog.labs.userAgent.util.matchUserAgent('Silk');
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};
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/**
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* @return {boolean} Whether the user is using a desktop computer (which we
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* assume to be the case if they are not using either a mobile or tablet
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* device).
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*/
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goog.labs.userAgent.device.isDesktop = function() {
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'use strict';
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return !goog.labs.userAgent.device.isMobile() &&
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!goog.labs.userAgent.device.isTablet();
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};
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