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Diffstat (limited to 'contexts/data/lib/closure-library/closure/goog/useragent/useragent.js')
| -rw-r--r-- | contexts/data/lib/closure-library/closure/goog/useragent/useragent.js | 499 |
1 files changed, 0 insertions, 499 deletions
diff --git a/contexts/data/lib/closure-library/closure/goog/useragent/useragent.js b/contexts/data/lib/closure-library/closure/goog/useragent/useragent.js deleted file mode 100644 index d77ac5c..0000000 --- a/contexts/data/lib/closure-library/closure/goog/useragent/useragent.js +++ /dev/null @@ -1,499 +0,0 @@ -// Copyright 2006 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 Rendering engine detection. - * @see <a href="http://www.useragentstring.com/">User agent strings</a> - * For information on the browser brand (such as Safari versus Chrome), see - * goog.userAgent.product. - * @see ../demos/useragent.html - */ - -goog.provide('goog.userAgent'); - -goog.require('goog.string'); - - -/** - * @define {boolean} Whether we know at compile-time that the browser is IE. - */ -goog.userAgent.ASSUME_IE = false; - - -/** - * @define {boolean} Whether we know at compile-time that the browser is GECKO. - */ -goog.userAgent.ASSUME_GECKO = false; - - -/** - * @define {boolean} Whether we know at compile-time that the browser is WEBKIT. - */ -goog.userAgent.ASSUME_WEBKIT = false; - - -/** - * @define {boolean} Whether we know at compile-time that the browser is a - * mobile device running WebKit e.g. iPhone or Android. - */ -goog.userAgent.ASSUME_MOBILE_WEBKIT = false; - - -/** - * @define {boolean} Whether we know at compile-time that the browser is OPERA. - */ -goog.userAgent.ASSUME_OPERA = false; - - -/** - * @define {boolean} Whether the {@code goog.userAgent.isVersion} function will - * return true for any version. - */ -goog.userAgent.ASSUME_ANY_VERSION = false; - - -/** - * Whether we know the browser engine at compile-time. - * @type {boolean} - * @private - */ -goog.userAgent.BROWSER_KNOWN_ = - goog.userAgent.ASSUME_IE || - goog.userAgent.ASSUME_GECKO || - goog.userAgent.ASSUME_MOBILE_WEBKIT || - goog.userAgent.ASSUME_WEBKIT || - goog.userAgent.ASSUME_OPERA; - - -/** - * Returns the userAgent string for the current browser. - * Some user agents (I'm thinking of you, Gears WorkerPool) do not expose a - * navigator object off the global scope. In that case we return null. - * - * @return {?string} The userAgent string or null if there is none. - */ -goog.userAgent.getUserAgentString = function() { - return goog.global['navigator'] ? goog.global['navigator'].userAgent : null; -}; - - -/** - * @return {Object} The native navigator object. - */ -goog.userAgent.getNavigator = function() { - // Need a local navigator reference instead of using the global one, - // to avoid the rare case where they reference different objects. - // (in a WorkerPool, for example). - return goog.global['navigator']; -}; - - -/** - * Initializer for goog.userAgent. - * - * This is a named function so that it can be stripped via the jscompiler - * option for stripping types. - * @private - */ -goog.userAgent.init_ = function() { - /** - * Whether the user agent string denotes Opera. - * @type {boolean} - * @private - */ - goog.userAgent.detectedOpera_ = false; - - /** - * Whether the user agent string denotes Internet Explorer. This includes - * other browsers using Trident as its rendering engine. For example AOL - * and Netscape 8 - * @type {boolean} - * @private - */ - goog.userAgent.detectedIe_ = false; - - /** - * Whether the user agent string denotes WebKit. WebKit is the rendering - * engine that Safari, Android and others use. - * @type {boolean} - * @private - */ - goog.userAgent.detectedWebkit_ = false; - - /** - * Whether the user agent string denotes a mobile device. - * @type {boolean} - * @private - */ - goog.userAgent.detectedMobile_ = false; - - /** - * Whether the user agent string denotes Gecko. Gecko is the rendering - * engine used by Mozilla, Mozilla Firefox, Camino and many more. - * @type {boolean} - * @private - */ - goog.userAgent.detectedGecko_ = false; - - var ua; - if (!goog.userAgent.BROWSER_KNOWN_ && - (ua = goog.userAgent.getUserAgentString())) { - var navigator = goog.userAgent.getNavigator(); - goog.userAgent.detectedOpera_ = ua.indexOf('Opera') == 0; - goog.userAgent.detectedIe_ = !goog.userAgent.detectedOpera_ && - ua.indexOf('MSIE') != -1; - goog.userAgent.detectedWebkit_ = !goog.userAgent.detectedOpera_ && - ua.indexOf('WebKit') != -1; - // WebKit also gives navigator.product string equal to 'Gecko'. - goog.userAgent.detectedMobile_ = goog.userAgent.detectedWebkit_ && - ua.indexOf('Mobile') != -1; - goog.userAgent.detectedGecko_ = !goog.userAgent.detectedOpera_ && - !goog.userAgent.detectedWebkit_ && navigator.product == 'Gecko'; - } -}; - - -if (!goog.userAgent.BROWSER_KNOWN_) { - goog.userAgent.init_(); -} - - -/** - * Whether the user agent is Opera. - * @type {boolean} - */ -goog.userAgent.OPERA = goog.userAgent.BROWSER_KNOWN_ ? - goog.userAgent.ASSUME_OPERA : goog.userAgent.detectedOpera_; - - -/** - * Whether the user agent is Internet Explorer. This includes other browsers - * using Trident as its rendering engine. For example AOL and Netscape 8 - * @type {boolean} - */ -goog.userAgent.IE = goog.userAgent.BROWSER_KNOWN_ ? - goog.userAgent.ASSUME_IE : goog.userAgent.detectedIe_; - - -/** - * Whether the user agent is Gecko. Gecko is the rendering engine used by - * Mozilla, Mozilla Firefox, Camino and many more. - * @type {boolean} - */ -goog.userAgent.GECKO = goog.userAgent.BROWSER_KNOWN_ ? - goog.userAgent.ASSUME_GECKO : - goog.userAgent.detectedGecko_; - - -/** - * Whether the user agent is WebKit. WebKit is the rendering engine that - * Safari, Android and others use. - * @type {boolean} - */ -goog.userAgent.WEBKIT = goog.userAgent.BROWSER_KNOWN_ ? - goog.userAgent.ASSUME_WEBKIT || goog.userAgent.ASSUME_MOBILE_WEBKIT : - goog.userAgent.detectedWebkit_; - - -/** - * Whether the user agent is running on a mobile device. - * @type {boolean} - */ -goog.userAgent.MOBILE = goog.userAgent.ASSUME_MOBILE_WEBKIT || - goog.userAgent.detectedMobile_; - - -/** - * Used while transitioning code to use WEBKIT instead. - * @type {boolean} - * @deprecated Use {@link goog.userAgent.product.SAFARI} instead. - * TODO(nicksantos): Delete this from goog.userAgent. - */ -goog.userAgent.SAFARI = goog.userAgent.WEBKIT; - - -/** - * @return {string} the platform (operating system) the user agent is running - * on. Default to empty string because navigator.platform may not be defined - * (on Rhino, for example). - * @private - */ -goog.userAgent.determinePlatform_ = function() { - var navigator = goog.userAgent.getNavigator(); - return navigator && navigator.platform || ''; -}; - - -/** - * The platform (operating system) the user agent is running on. Default to - * empty string because navigator.platform may not be defined (on Rhino, for - * example). - * @type {string} - */ -goog.userAgent.PLATFORM = goog.userAgent.determinePlatform_(); - - -/** - * @define {boolean} Whether the user agent is running on a Macintosh operating - * system. - */ -goog.userAgent.ASSUME_MAC = false; - - -/** - * @define {boolean} Whether the user agent is running on a Windows operating - * system. - */ -goog.userAgent.ASSUME_WINDOWS = false; - - -/** - * @define {boolean} Whether the user agent is running on a Linux operating - * system. - */ -goog.userAgent.ASSUME_LINUX = false; - - -/** - * @define {boolean} Whether the user agent is running on a X11 windowing - * system. - */ -goog.userAgent.ASSUME_X11 = false; - - -/** - * @type {boolean} - * @private - */ -goog.userAgent.PLATFORM_KNOWN_ = - goog.userAgent.ASSUME_MAC || - goog.userAgent.ASSUME_WINDOWS || - goog.userAgent.ASSUME_LINUX || - goog.userAgent.ASSUME_X11; - - -/** - * Initialize the goog.userAgent constants that define which platform the user - * agent is running on. - * @private - */ -goog.userAgent.initPlatform_ = function() { - /** - * Whether the user agent is running on a Macintosh operating system. - * @type {boolean} - * @private - */ - goog.userAgent.detectedMac_ = goog.string.contains(goog.userAgent.PLATFORM, - 'Mac'); - - /** - * Whether the user agent is running on a Windows operating system. - * @type {boolean} - * @private - */ - goog.userAgent.detectedWindows_ = goog.string.contains( - goog.userAgent.PLATFORM, 'Win'); - - /** - * Whether the user agent is running on a Linux operating system. - * @type {boolean} - * @private - */ - goog.userAgent.detectedLinux_ = goog.string.contains(goog.userAgent.PLATFORM, - 'Linux'); - - /** - * Whether the user agent is running on a X11 windowing system. - * @type {boolean} - * @private - */ - goog.userAgent.detectedX11_ = !!goog.userAgent.getNavigator() && - goog.string.contains(goog.userAgent.getNavigator()['appVersion'] || '', - 'X11'); -}; - - -if (!goog.userAgent.PLATFORM_KNOWN_) { - goog.userAgent.initPlatform_(); -} - - -/** - * Whether the user agent is running on a Macintosh operating system. - * @type {boolean} - */ -goog.userAgent.MAC = goog.userAgent.PLATFORM_KNOWN_ ? - goog.userAgent.ASSUME_MAC : goog.userAgent.detectedMac_; - - -/** - * Whether the user agent is running on a Windows operating system. - * @type {boolean} - */ -goog.userAgent.WINDOWS = goog.userAgent.PLATFORM_KNOWN_ ? - goog.userAgent.ASSUME_WINDOWS : goog.userAgent.detectedWindows_; - - -/** - * Whether the user agent is running on a Linux operating system. - * @type {boolean} - */ -goog.userAgent.LINUX = goog.userAgent.PLATFORM_KNOWN_ ? - goog.userAgent.ASSUME_LINUX : goog.userAgent.detectedLinux_; - - -/** - * Whether the user agent is running on a X11 windowing system. - * @type {boolean} - */ -goog.userAgent.X11 = goog.userAgent.PLATFORM_KNOWN_ ? - goog.userAgent.ASSUME_X11 : goog.userAgent.detectedX11_; - - -/** - * @return {string} The string that describes the version number of the user - * agent. - * @private - */ -goog.userAgent.determineVersion_ = function() { - // All browsers have different ways to detect the version and they all have - // different naming schemes. - - // version is a string rather than a number because it may contain 'b', 'a', - // and so on. - var version = '', re; - - if (goog.userAgent.OPERA && goog.global['opera']) { - var operaVersion = goog.global['opera'].version; - version = typeof operaVersion == 'function' ? operaVersion() : operaVersion; - } else { - if (goog.userAgent.GECKO) { - re = /rv\:([^\);]+)(\)|;)/; - } else if (goog.userAgent.IE) { - re = /MSIE\s+([^\);]+)(\)|;)/; - } else if (goog.userAgent.WEBKIT) { - // WebKit/125.4 - re = /WebKit\/(\S+)/; - } - if (re) { - var arr = re.exec(goog.userAgent.getUserAgentString()); - version = arr ? arr[1] : ''; - } - } - if (goog.userAgent.IE) { - // IE9 can be in document mode 9 but be reporting an inconsistent user agent - // version. If it is identifying as a version lower than 9 we take the - // documentMode as the version instead. IE8 has similar behavior. - // It is recommended to set the X-UA-Compatible header to ensure that IE9 - // uses documentMode 9. - var docMode = goog.userAgent.getDocumentMode_(); - if (docMode > parseFloat(version)) { - return String(docMode); - } - } - return version; -}; - - -/** - * @return {number|undefined} Returns the document mode (for testing). - * @private - */ -goog.userAgent.getDocumentMode_ = function() { - // NOTE(user): goog.userAgent may be used in context where there is no DOM. - var doc = goog.global['document']; - return doc ? doc['documentMode'] : undefined; -}; - - -/** - * The version of the user agent. This is a string because it might contain - * 'b' (as in beta) as well as multiple dots. - * @type {string} - */ -goog.userAgent.VERSION = goog.userAgent.determineVersion_(); - - -/** - * Compares two version numbers. - * - * @param {string} v1 Version of first item. - * @param {string} v2 Version of second item. - * - * @return {number} 1 if first argument is higher - * 0 if arguments are equal - * -1 if second argument is higher. - * @deprecated Use goog.string.compareVersions. - */ -goog.userAgent.compare = function(v1, v2) { - return goog.string.compareVersions(v1, v2); -}; - - -/** - * Cache for {@link goog.userAgent.isVersion}. Calls to compareVersions are - * surprisingly expensive and as a browsers version number is unlikely to change - * during a session we cache the results. - * @type {Object} - * @private - */ -goog.userAgent.isVersionCache_ = {}; - - -/** - * Whether the user agent version is higher or the same as the given version. - * NOTE: When checking the version numbers for Firefox and Safari, be sure to - * use the engine's version, not the browser's version number. For example, - * Firefox 3.0 corresponds to Gecko 1.9 and Safari 3.0 to Webkit 522.11. - * Opera and Internet Explorer versions match the product release number.<br> - * @see <a href="http://en.wikipedia.org/wiki/Safari_version_history"> - * Webkit</a> - * @see <a href="http://en.wikipedia.org/wiki/Gecko_engine">Gecko</a> - * - * @param {string|number} version The version to check. - * @return {boolean} Whether the user agent version is higher or the same as - * the given version. - */ -goog.userAgent.isVersion = function(version) { - return goog.userAgent.ASSUME_ANY_VERSION || - goog.userAgent.isVersionCache_[version] || - (goog.userAgent.isVersionCache_[version] = - goog.string.compareVersions(goog.userAgent.VERSION, version) >= 0); -}; - - -/** - * Cache for {@link goog.userAgent.isDocumentMode}. - * Browsers document mode version number is unlikely to change during a session - * we cache the results. - * @type {Object} - * @private - */ -goog.userAgent.isDocumentModeCache_ = {}; - - -/** - * Whether the IE effective document mode is higher or the same as the given - * document mode version. - * NOTE: Only for IE, return false for another browser. - * - * @param {number} documentMode The document mode version to check. - * @return {boolean} Whether the IE effective document mode is higher or the - * same as the given version. - */ -goog.userAgent.isDocumentMode = function(documentMode) { - return goog.userAgent.isDocumentModeCache_[documentMode] || - (goog.userAgent.isDocumentModeCache_[documentMode] = goog.userAgent.IE && - !!document.documentMode && document.documentMode >= documentMode); -}; |