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Diffstat (limited to 'srv/src/http/static/viz/2/goog/labs/useragent/engine.js')
-rw-r--r-- | srv/src/http/static/viz/2/goog/labs/useragent/engine.js | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/srv/src/http/static/viz/2/goog/labs/useragent/engine.js b/srv/src/http/static/viz/2/goog/labs/useragent/engine.js deleted file mode 100644 index 31c5667..0000000 --- a/srv/src/http/static/viz/2/goog/labs/useragent/engine.js +++ /dev/null @@ -1,156 +0,0 @@ -// 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. - * @see http://en.wikipedia.org/wiki/User_agent - * For more information on browser brand, platform, or device see the other - * sub-namespaces in goog.labs.userAgent (browser, platform, and device). - * - */ - -goog.provide('goog.labs.userAgent.engine'); - -goog.require('goog.array'); -goog.require('goog.labs.userAgent.util'); -goog.require('goog.string'); - - -/** - * @return {boolean} Whether the rendering engine is Presto. - */ -goog.labs.userAgent.engine.isPresto = function() { - return goog.labs.userAgent.util.matchUserAgent('Presto'); -}; - - -/** - * @return {boolean} Whether the rendering engine is Trident. - */ -goog.labs.userAgent.engine.isTrident = function() { - // IE only started including the Trident token in IE8. - return goog.labs.userAgent.util.matchUserAgent('Trident') || - goog.labs.userAgent.util.matchUserAgent('MSIE'); -}; - - -/** - * @return {boolean} Whether the rendering engine is Edge. - */ -goog.labs.userAgent.engine.isEdge = function() { - return goog.labs.userAgent.util.matchUserAgent('Edge'); -}; - - -/** - * @return {boolean} Whether the rendering engine is WebKit. - */ -goog.labs.userAgent.engine.isWebKit = function() { - return goog.labs.userAgent.util.matchUserAgentIgnoreCase('WebKit') && - !goog.labs.userAgent.engine.isEdge(); -}; - - -/** - * @return {boolean} Whether the rendering engine is Gecko. - */ -goog.labs.userAgent.engine.isGecko = function() { - return goog.labs.userAgent.util.matchUserAgent('Gecko') && - !goog.labs.userAgent.engine.isWebKit() && - !goog.labs.userAgent.engine.isTrident() && - !goog.labs.userAgent.engine.isEdge(); -}; - - -/** - * @return {string} The rendering engine's version or empty string if version - * can't be determined. - */ -goog.labs.userAgent.engine.getVersion = function() { - var userAgentString = goog.labs.userAgent.util.getUserAgent(); - if (userAgentString) { - var tuples = goog.labs.userAgent.util.extractVersionTuples(userAgentString); - - var engineTuple = goog.labs.userAgent.engine.getEngineTuple_(tuples); - if (engineTuple) { - // In Gecko, the version string is either in the browser info or the - // Firefox version. See Gecko user agent string reference: - // http://goo.gl/mULqa - if (engineTuple[0] == 'Gecko') { - return goog.labs.userAgent.engine.getVersionForKey_(tuples, 'Firefox'); - } - - return engineTuple[1]; - } - - // MSIE has only one version identifier, and the Trident version is - // specified in the parenthetical. IE Edge is covered in the engine tuple - // detection. - var browserTuple = tuples[0]; - var info; - if (browserTuple && (info = browserTuple[2])) { - var match = /Trident\/([^\s;]+)/.exec(info); - if (match) { - return match[1]; - } - } - } - return ''; -}; - - -/** - * @param {!Array<!Array<string>>} tuples Extracted version tuples. - * @return {!Array<string>|undefined} The engine tuple or undefined if not - * found. - * @private - */ -goog.labs.userAgent.engine.getEngineTuple_ = function(tuples) { - if (!goog.labs.userAgent.engine.isEdge()) { - return tuples[1]; - } - for (var i = 0; i < tuples.length; i++) { - var tuple = tuples[i]; - if (tuple[0] == 'Edge') { - return tuple; - } - } -}; - - -/** - * @param {string|number} version The version to check. - * @return {boolean} Whether the rendering engine version is higher or the same - * as the given version. - */ -goog.labs.userAgent.engine.isVersionOrHigher = function(version) { - return goog.string.compareVersions( - goog.labs.userAgent.engine.getVersion(), version) >= 0; -}; - - -/** - * @param {!Array<!Array<string>>} tuples Version tuples. - * @param {string} key The key to look for. - * @return {string} The version string of the given key, if present. - * Otherwise, the empty string. - * @private - */ -goog.labs.userAgent.engine.getVersionForKey_ = function(tuples, key) { - // TODO(nnaze): Move to util if useful elsewhere. - - var pair = goog.array.find(tuples, function(pair) { return key == pair[0]; }); - - return pair && pair[1] || ''; -}; |