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Diffstat (limited to 'assets/viz/2/goog/labs/useragent/browser.js')
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diff --git a/assets/viz/2/goog/labs/useragent/browser.js b/assets/viz/2/goog/labs/useragent/browser.js new file mode 100644 index 0000000..a7dd638 --- /dev/null +++ b/assets/viz/2/goog/labs/useragent/browser.js @@ -0,0 +1,338 @@ +// Copyright 2013 The Closure Library Authors. 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. + +/** + * @fileoverview Closure user agent detection (Browser). + * @see <a href="http://www.useragentstring.com/">User agent strings</a> + * For more information on rendering engine, platform, or device see the other + * sub-namespaces in goog.labs.userAgent, goog.labs.userAgent.platform, + * goog.labs.userAgent.device respectively.) + * + * @author martone@google.com (Andy Martone) + */ + +goog.provide('goog.labs.userAgent.browser'); + +goog.require('goog.array'); +goog.require('goog.labs.userAgent.util'); +goog.require('goog.object'); +goog.require('goog.string'); + + +// TODO(nnaze): Refactor to remove excessive exclusion logic in matching +// functions. + + +/** + * @return {boolean} Whether the user's browser is Opera. Note: Chromium + * based Opera (Opera 15+) is detected as Chrome to avoid unnecessary + * special casing. + * @private + */ +goog.labs.userAgent.browser.matchOpera_ = function() { + return goog.labs.userAgent.util.matchUserAgent('Opera'); +}; + + +/** + * @return {boolean} Whether the user's browser is IE. + * @private + */ +goog.labs.userAgent.browser.matchIE_ = function() { + return goog.labs.userAgent.util.matchUserAgent('Trident') || + goog.labs.userAgent.util.matchUserAgent('MSIE'); +}; + + +/** + * @return {boolean} Whether the user's browser is Edge. + * @private + */ +goog.labs.userAgent.browser.matchEdge_ = function() { + return goog.labs.userAgent.util.matchUserAgent('Edge'); +}; + + +/** + * @return {boolean} Whether the user's browser is Firefox. + * @private + */ +goog.labs.userAgent.browser.matchFirefox_ = function() { + return goog.labs.userAgent.util.matchUserAgent('Firefox'); +}; + + +/** + * @return {boolean} Whether the user's browser is Safari. + * @private + */ +goog.labs.userAgent.browser.matchSafari_ = function() { + return goog.labs.userAgent.util.matchUserAgent('Safari') && + !(goog.labs.userAgent.browser.matchChrome_() || + goog.labs.userAgent.browser.matchCoast_() || + goog.labs.userAgent.browser.matchOpera_() || + goog.labs.userAgent.browser.matchEdge_() || + goog.labs.userAgent.browser.isSilk() || + goog.labs.userAgent.util.matchUserAgent('Android')); +}; + + +/** + * @return {boolean} Whether the user's browser is Coast (Opera's Webkit-based + * iOS browser). + * @private + */ +goog.labs.userAgent.browser.matchCoast_ = function() { + return goog.labs.userAgent.util.matchUserAgent('Coast'); +}; + + +/** + * @return {boolean} Whether the user's browser is iOS Webview. + * @private + */ +goog.labs.userAgent.browser.matchIosWebview_ = function() { + // iOS Webview does not show up as Chrome or Safari. Also check for Opera's + // WebKit-based iOS browser, Coast. + return (goog.labs.userAgent.util.matchUserAgent('iPad') || + goog.labs.userAgent.util.matchUserAgent('iPhone')) && + !goog.labs.userAgent.browser.matchSafari_() && + !goog.labs.userAgent.browser.matchChrome_() && + !goog.labs.userAgent.browser.matchCoast_() && + goog.labs.userAgent.util.matchUserAgent('AppleWebKit'); +}; + + +/** + * @return {boolean} Whether the user's browser is Chrome. + * @private + */ +goog.labs.userAgent.browser.matchChrome_ = function() { + return (goog.labs.userAgent.util.matchUserAgent('Chrome') || + goog.labs.userAgent.util.matchUserAgent('CriOS')) && + !goog.labs.userAgent.browser.matchEdge_(); +}; + + +/** + * @return {boolean} Whether the user's browser is the Android browser. + * @private + */ +goog.labs.userAgent.browser.matchAndroidBrowser_ = function() { + // Android can appear in the user agent string for Chrome on Android. + // This is not the Android standalone browser if it does. + return goog.labs.userAgent.util.matchUserAgent('Android') && + !(goog.labs.userAgent.browser.isChrome() || + goog.labs.userAgent.browser.isFirefox() || + goog.labs.userAgent.browser.isOpera() || + goog.labs.userAgent.browser.isSilk()); +}; + + +/** + * @return {boolean} Whether the user's browser is Opera. + */ +goog.labs.userAgent.browser.isOpera = goog.labs.userAgent.browser.matchOpera_; + + +/** + * @return {boolean} Whether the user's browser is IE. + */ +goog.labs.userAgent.browser.isIE = goog.labs.userAgent.browser.matchIE_; + + +/** + * @return {boolean} Whether the user's browser is Edge. + */ +goog.labs.userAgent.browser.isEdge = goog.labs.userAgent.browser.matchEdge_; + + +/** + * @return {boolean} Whether the user's browser is Firefox. + */ +goog.labs.userAgent.browser.isFirefox = + goog.labs.userAgent.browser.matchFirefox_; + + +/** + * @return {boolean} Whether the user's browser is Safari. + */ +goog.labs.userAgent.browser.isSafari = goog.labs.userAgent.browser.matchSafari_; + + +/** + * @return {boolean} Whether the user's browser is Coast (Opera's Webkit-based + * iOS browser). + */ +goog.labs.userAgent.browser.isCoast = goog.labs.userAgent.browser.matchCoast_; + + +/** + * @return {boolean} Whether the user's browser is iOS Webview. + */ +goog.labs.userAgent.browser.isIosWebview = + goog.labs.userAgent.browser.matchIosWebview_; + + +/** + * @return {boolean} Whether the user's browser is Chrome. + */ +goog.labs.userAgent.browser.isChrome = goog.labs.userAgent.browser.matchChrome_; + + +/** + * @return {boolean} Whether the user's browser is the Android browser. + */ +goog.labs.userAgent.browser.isAndroidBrowser = + goog.labs.userAgent.browser.matchAndroidBrowser_; + + +/** + * For more information, see: + * http://docs.aws.amazon.com/silk/latest/developerguide/user-agent.html + * @return {boolean} Whether the user's browser is Silk. + */ +goog.labs.userAgent.browser.isSilk = function() { + return goog.labs.userAgent.util.matchUserAgent('Silk'); +}; + + +/** + * @return {string} The browser version or empty string if version cannot be + * determined. Note that for Internet Explorer, this returns the version of + * the browser, not the version of the rendering engine. (IE 8 in + * compatibility mode will return 8.0 rather than 7.0. To determine the + * rendering engine version, look at document.documentMode instead. See + * http://msdn.microsoft.com/en-us/library/cc196988(v=vs.85).aspx for more + * details.) + */ +goog.labs.userAgent.browser.getVersion = function() { + var userAgentString = goog.labs.userAgent.util.getUserAgent(); + // Special case IE since IE's version is inside the parenthesis and + // without the '/'. + if (goog.labs.userAgent.browser.isIE()) { + return goog.labs.userAgent.browser.getIEVersion_(userAgentString); + } + + var versionTuples = + goog.labs.userAgent.util.extractVersionTuples(userAgentString); + + // Construct a map for easy lookup. + var versionMap = {}; + goog.array.forEach(versionTuples, function(tuple) { + // Note that the tuple is of length three, but we only care about the + // first two. + var key = tuple[0]; + var value = tuple[1]; + versionMap[key] = value; + }); + + var versionMapHasKey = goog.partial(goog.object.containsKey, versionMap); + + // Gives the value with the first key it finds, otherwise empty string. + function lookUpValueWithKeys(keys) { + var key = goog.array.find(keys, versionMapHasKey); + return versionMap[key] || ''; + } + + // Check Opera before Chrome since Opera 15+ has "Chrome" in the string. + // See + // http://my.opera.com/ODIN/blog/2013/07/15/opera-user-agent-strings-opera-15-and-beyond + if (goog.labs.userAgent.browser.isOpera()) { + // Opera 10 has Version/10.0 but Opera/9.8, so look for "Version" first. + // Opera uses 'OPR' for more recent UAs. + return lookUpValueWithKeys(['Version', 'Opera']); + } + + // Check Edge before Chrome since it has Chrome in the string. + if (goog.labs.userAgent.browser.isEdge()) { + return lookUpValueWithKeys(['Edge']); + } + + if (goog.labs.userAgent.browser.isChrome()) { + return lookUpValueWithKeys(['Chrome', 'CriOS']); + } + + // Usually products browser versions are in the third tuple after "Mozilla" + // and the engine. + var tuple = versionTuples[2]; + return tuple && tuple[1] || ''; +}; + + +/** + * @param {string|number} version The version to check. + * @return {boolean} Whether the browser version is higher or the same as the + * given version. + */ +goog.labs.userAgent.browser.isVersionOrHigher = function(version) { + return goog.string.compareVersions( + goog.labs.userAgent.browser.getVersion(), version) >= 0; +}; + + +/** + * Determines IE version. More information: + * http://msdn.microsoft.com/en-us/library/ie/bg182625(v=vs.85).aspx#uaString + * http://msdn.microsoft.com/en-us/library/hh869301(v=vs.85).aspx + * http://blogs.msdn.com/b/ie/archive/2010/03/23/introducing-ie9-s-user-agent-string.aspx + * http://blogs.msdn.com/b/ie/archive/2009/01/09/the-internet-explorer-8-user-agent-string-updated-edition.aspx + * + * @param {string} userAgent the User-Agent. + * @return {string} + * @private + */ +goog.labs.userAgent.browser.getIEVersion_ = function(userAgent) { + // IE11 may identify itself as MSIE 9.0 or MSIE 10.0 due to an IE 11 upgrade + // bug. Example UA: + // Mozilla/5.0 (MSIE 9.0; Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) + // like Gecko. + // See http://www.whatismybrowser.com/developers/unknown-user-agent-fragments. + var rv = /rv: *([\d\.]*)/.exec(userAgent); + if (rv && rv[1]) { + return rv[1]; + } + + var version = ''; + var msie = /MSIE +([\d\.]+)/.exec(userAgent); + if (msie && msie[1]) { + // IE in compatibility mode usually identifies itself as MSIE 7.0; in this + // case, use the Trident version to determine the version of IE. For more + // details, see the links above. + var tridentVersion = /Trident\/(\d.\d)/.exec(userAgent); + if (msie[1] == '7.0') { + if (tridentVersion && tridentVersion[1]) { + switch (tridentVersion[1]) { + case '4.0': + version = '8.0'; + break; + case '5.0': + version = '9.0'; + break; + case '6.0': + version = '10.0'; + break; + case '7.0': + version = '11.0'; + break; + } + } else { + version = '7.0'; + } + } else { + version = msie[1]; + } + } + return version; +}; |