mirror of
https://github.com/google/blockly.git
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132 lines
3.6 KiB
TypeScript
132 lines
3.6 KiB
TypeScript
/**
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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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* 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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*
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* @namespace Blockly.utils.userAgent
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*/
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import * as goog from '../../closure/goog/goog.js';
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goog.declareModuleId('Blockly.utils.userAgent');
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/** The raw useragent string. */
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let rawUserAgent: string;
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let isIe: boolean;
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let isEdge: boolean;
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let isJavaFx: boolean;
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let isChrome: boolean;
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let isWebKit: boolean;
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let isGecko: boolean;
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let isAndroid: boolean;
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let isIPad: boolean;
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let isIPod: boolean;
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let isIPhone: boolean;
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let isMac: boolean;
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let isTablet: boolean;
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let isMobile: boolean;
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(function(raw) {
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rawUserAgent = raw;
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const rawUpper = rawUserAgent.toUpperCase();
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/**
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* Case-insensitive test of whether name is in the useragent string.
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*
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* @param name Name to test.
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* @returns True if name is present.
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*/
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function has(name: string): boolean {
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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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isIe = has('Trident') || has('MSIE');
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isEdge = 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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isJavaFx = has('JavaFX');
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isChrome = (has('Chrome') || has('CriOS')) && !isEdge;
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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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isWebKit = has('WebKit') && !isEdge;
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isGecko = has('Gecko') && !isWebKit && !isIe && !isEdge;
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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
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// and
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// https://github.com/google/closure-library/blob/master/closure/goog/labs/useragent/extra.js
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isAndroid = has('Android');
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const maxTouchPoints =
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globalThis['navigator'] && globalThis['navigator']['maxTouchPoints'];
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isIPad = has('iPad') || has('Macintosh') && maxTouchPoints > 0;
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isIPod = has('iPod');
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isIPhone = has('iPhone') && !isIPad && !isIPod;
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isMac = 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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isTablet = isIPad || isAndroid && !has('Mobile') || has('Silk');
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isMobile = !isTablet && (isIPod || isIPhone || isAndroid || has('IEMobile'));
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})(globalThis['navigator'] && globalThis['navigator']['userAgent'] || '');
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/** @alias Blockly.utils.userAgent.raw */
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export const raw: string = rawUserAgent;
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/** @alias Blockly.utils.userAgent.IE */
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export const IE: boolean = isIe;
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/** @alias Blockly.utils.userAgent.EDGE */
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export const EDGE: boolean = isEdge;
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/** @alias Blockly.utils.userAgent.JavaFx */
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export const JavaFx: boolean = isJavaFx;
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/** @alias Blockly.utils.userAgent.CHROME */
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export const CHROME: boolean = isChrome;
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/** @alias Blockly.utils.userAgent.WEBKIT */
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export const WEBKIT: boolean = isWebKit;
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/** @alias Blockly.utils.userAgent.GECKO */
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export const GECKO: boolean = isGecko;
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/** @alias Blockly.utils.userAgent.ANDROID */
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export const ANDROID: boolean = isAndroid;
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/** @alias Blockly.utils.userAgent.IPAD */
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export const IPAD: boolean = isIPad;
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/** @alias Blockly.utils.userAgent.IPOD */
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export const IPOD: boolean = isIPod;
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/** @alias Blockly.utils.userAgent.IPHONE */
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export const IPHONE: boolean = isIPhone;
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/** @alias Blockly.utils.userAgent.MAC */
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export const MAC: boolean = isMac;
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/** @alias Blockly.utils.userAgent.TABLET */
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export const TABLET: boolean = isTablet;
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/** @alias Blockly.utils.userAgent.MOBILE */
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export const MOBILE: boolean = isMobile;
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