-/*
- * User-agent detection
+/**
+ * User-agent detection
*/
-jQuery.client = new ( function() {
-
+( function ( $ ) {
+
/* Private Members */
-
- var profile;
-
- /* Public Functions */
-
+
/**
- * Returns an object containing information about the browser
- *
- * The resulting client object will be in the following format:
- * {
- * 'name': 'firefox',
- * 'layout': 'gecko',
- * 'os': 'linux'
- * 'version': '3.5.1',
- * 'versionBase': '3',
- * 'versionNumber': 3.5,
- * }
+ * @var profileCache {Object} Keyed by userAgent string,
+ * value is the parsed $.client.profile object for that user agent.
*/
- this.profile = function() {
- // Use the cached version if possible
- if ( typeof profile === 'undefined' ) {
-
- /* Configuration */
-
- // Name of browsers or layout engines we don't recognize
- var uk = 'unknown';
- // Generic version digit
- var x = 'x';
- // Strings found in user agent strings that need to be conformed
- var wildUserAgents = [ 'Opera', 'Navigator', 'Minefield', 'KHTML', 'Chrome', 'PLAYSTATION 3'];
- // Translations for conforming user agent strings
- var userAgentTranslations = [
- // Tons of browsers lie about being something they are not
- [/(Firefox|MSIE|KHTML,\slike\sGecko|Konqueror)/, ''],
- // Chrome lives in the shadow of Safari still
- ['Chrome Safari', 'Chrome'],
- // KHTML is the layout engine not the browser - LIES!
- ['KHTML', 'Konqueror'],
- // Firefox nightly builds
- ['Minefield', 'Firefox'],
- // This helps keep differnt versions consistent
- ['Navigator', 'Netscape'],
- // This prevents version extraction issues, otherwise translation would happen later
- ['PLAYSTATION 3', 'PS3'],
- ];
- // Strings which precede a version number in a user agent string - combined and used as match 1 in
- // version detectection
- var versionPrefixes = [
- 'camino', 'chrome', 'firefox', 'netscape', 'netscape6', 'opera', 'version', 'konqueror', 'lynx',
- 'msie', 'safari', 'ps3'
- ];
- // Used as matches 2, 3 and 4 in version extraction - 3 is used as actual version number
- var versionSuffix = '(\/|\;?\s|)([a-z0-9\.\+]*?)(\;|dev|rel|\\)|\s|$)';
- // Names of known browsers
- var browserNames = [
- 'camino', 'chrome', 'firefox', 'netscape', 'konqueror', 'lynx', 'msie', 'opera', 'safari', 'ipod',
- 'iphone', 'blackberry', 'ps3'
- ];
- // Tanslations for conforming browser names
- var browserTranslations = [];
- // Names of known layout engines
- var layoutNames = ['gecko', 'konqueror', 'msie', 'opera', 'webkit'];
- // Translations for conforming layout names
- var layoutTranslations = [['konqueror', 'khtml'], ['msie', 'trident'], ['opera', 'presto']];
- // Names of known operating systems
- var osNames = ['win', 'mac', 'linux', 'sunos', 'solaris', 'iphone'];
- // Translations for conforming operating system names
- var osTranslations = [['sunos', 'solaris']];
-
- /* Methods */
-
- // Performs multiple replacements on a string
- function translate( source, translations ) {
- for ( var i = 0; i < translations.length; i++ ) {
- source = source.replace( translations[i][0], translations[i][1] );
- }
- return source;
- };
-
- /* Pre-processing */
-
- var userAgent = navigator.userAgent, match, browser = uk, layout = uk, os = uk, version = x;
- if ( match = new RegExp( '(' + wildUserAgents.join( '|' ) + ')' ).exec( userAgent ) ) {
- // Takes a userAgent string and translates given text into something we can more easily work with
- userAgent = translate( userAgent, userAgentTranslations );
- }
- // Everything will be in lowercase from now on
- userAgent = userAgent.toLowerCase();
-
- /* Extraction */
-
- if ( match = new RegExp( '(' + browserNames.join( '|' ) + ')' ).exec( userAgent ) ) {
- browser = translate( match[1], browserTranslations );
- }
- if ( match = new RegExp( '(' + layoutNames.join( '|' ) + ')' ).exec( userAgent ) ) {
- layout = translate( match[1], layoutTranslations );
+ var profileCache = {};
+
+ /* Public Methods */
+
+ $.client = {
+
+ /**
+ * Get an object containing information about the client.
+ *
+ * @param nav {Object} An object with atleast a 'userAgent' and 'platform' key.
+ * Defaults to the global Navigator object.
+ * @return {Object} The resulting client object will be in the following format:
+ * {
+ * 'name': 'firefox',
+ * 'layout': 'gecko',
+ * 'layoutVersion': 20101026,
+ * 'platform': 'linux'
+ * 'version': '3.5.1',
+ * 'versionBase': '3',
+ * 'versionNumber': 3.5,
+ * }
+ */
+ profile: function ( nav ) {
+ /*jshint boss: true */
+
+ if ( nav === undefined ) {
+ nav = window.navigator;
}
- if ( match = new RegExp( '(' + osNames.join( '|' ) + ')' ).exec( navigator.platform.toLowerCase() ) ) {
- var os = translate( match[1], osTranslations );
- }
- if ( match = new RegExp( '(' + versionPrefixes.join( '|' ) + ')' + versionSuffix ).exec( userAgent ) ) {
- version = match[3];
- }
-
- /* Edge Cases -- did I mention about how user agent string lie? */
-
- // Decode Safari's crazy 400+ version numbers
- if ( name.match( /safari/ ) && version > 400 ) {
- version = '2.0';
+ // Use the cached version if possible
+ if ( profileCache[nav.userAgent] === undefined ) {
+
+ var
+ versionNumber,
+
+ /* Configuration */
+
+ // Name of browsers or layout engines we don't recognize
+ uk = 'unknown',
+ // Generic version digit
+ x = 'x',
+ // Strings found in user agent strings that need to be conformed
+ wildUserAgents = ['Opera', 'Navigator', 'Minefield', 'KHTML', 'Chrome', 'PLAYSTATION 3'],
+ // Translations for conforming user agent strings
+ userAgentTranslations = [
+ // Tons of browsers lie about being something they are not
+ [/(Firefox|MSIE|KHTML,\slike\sGecko|Konqueror)/, ''],
+ // Chrome lives in the shadow of Safari still
+ ['Chrome Safari', 'Chrome'],
+ // KHTML is the layout engine not the browser - LIES!
+ ['KHTML', 'Konqueror'],
+ // Firefox nightly builds
+ ['Minefield', 'Firefox'],
+ // This helps keep differnt versions consistent
+ ['Navigator', 'Netscape'],
+ // This prevents version extraction issues, otherwise translation would happen later
+ ['PLAYSTATION 3', 'PS3']
+ ],
+ // Strings which precede a version number in a user agent string - combined and used as match 1 in
+ // version detectection
+ versionPrefixes = [
+ 'camino', 'chrome', 'firefox', 'netscape', 'netscape6', 'opera', 'version', 'konqueror',
+ 'lynx', 'msie', 'safari', 'ps3'
+ ],
+ // Used as matches 2, 3 and 4 in version extraction - 3 is used as actual version number
+ versionSuffix = '(\\/|\\;?\\s|)([a-z0-9\\.\\+]*?)(\\;|dev|rel|\\)|\\s|$)',
+ // Names of known browsers
+ names = [
+ 'camino', 'chrome', 'firefox', 'netscape', 'konqueror', 'lynx', 'msie', 'opera',
+ 'safari', 'ipod', 'iphone', 'blackberry', 'ps3', 'rekonq'
+ ],
+ // Tanslations for conforming browser names
+ nameTranslations = [],
+ // Names of known layout engines
+ layouts = ['gecko', 'konqueror', 'msie', 'opera', 'webkit'],
+ // Translations for conforming layout names
+ layoutTranslations = [ ['konqueror', 'khtml'], ['msie', 'trident'], ['opera', 'presto'] ],
+ // Names of supported layout engines for version number
+ layoutVersions = ['applewebkit', 'gecko'],
+ // Names of known operating systems
+ platforms = ['win', 'mac', 'linux', 'sunos', 'solaris', 'iphone'],
+ // Translations for conforming operating system names
+ platformTranslations = [ ['sunos', 'solaris'] ],
+
+ /* Methods */
+
+ /**
+ * Performs multiple replacements on a string
+ */
+ translate = function ( source, translations ) {
+ var i;
+ for ( i = 0; i < translations.length; i++ ) {
+ source = source.replace( translations[i][0], translations[i][1] );
+ }
+ return source;
+ },
+
+ /* Pre-processing */
+
+ ua = nav.userAgent,
+ match,
+ name = uk,
+ layout = uk,
+ layoutversion = uk,
+ platform = uk,
+ version = x;
+
+ if ( match = new RegExp( '(' + wildUserAgents.join( '|' ) + ')' ).exec( ua ) ) {
+ // Takes a userAgent string and translates given text into something we can more easily work with
+ ua = translate( ua, userAgentTranslations );
+ }
+ // Everything will be in lowercase from now on
+ ua = ua.toLowerCase();
+
+ /* Extraction */
+
+ if ( match = new RegExp( '(' + names.join( '|' ) + ')' ).exec( ua ) ) {
+ name = translate( match[1], nameTranslations );
+ }
+ if ( match = new RegExp( '(' + layouts.join( '|' ) + ')' ).exec( ua ) ) {
+ layout = translate( match[1], layoutTranslations );
+ }
+ if ( match = new RegExp( '(' + layoutVersions.join( '|' ) + ')\\\/(\\d+)').exec( ua ) ) {
+ layoutversion = parseInt( match[2], 10 );
+ }
+ if ( match = new RegExp( '(' + platforms.join( '|' ) + ')' ).exec( nav.platform.toLowerCase() ) ) {
+ platform = translate( match[1], platformTranslations );
+ }
+ if ( match = new RegExp( '(' + versionPrefixes.join( '|' ) + ')' + versionSuffix ).exec( ua ) ) {
+ version = match[3];
+ }
+
+ /* Edge Cases -- did I mention about how user agent string lie? */
+
+ // Decode Safari's crazy 400+ version numbers
+ if ( name.match( /safari/ ) && version > 400 ) {
+ version = '2.0';
+ }
+ // Expose Opera 10's lies about being Opera 9.8
+ if ( name === 'opera' && version >= 9.8) {
+ version = ua.match( /version\/([0-9\.]*)/i )[1] || 10;
+ }
+ versionNumber = parseFloat( version, 10 ) || 0.0;
+
+ /* Caching */
+
+ profileCache[nav.userAgent] = {
+ name: name,
+ layout: layout,
+ layoutVersion: layoutversion,
+ platform: platform,
+ version: version,
+ versionBase: ( version !== x ? Math.floor( versionNumber ).toString() : x ),
+ versionNumber: versionNumber
+ };
}
- // Expose Opera 10's lies about being Opera 9.8
- if ( name === 'opera' && version >= 9.8) {
- version = userAgent.match( /version\/([0-9\.]*)/i )[1] || 10;
+ return profileCache[nav.userAgent];
+ },
+
+ /**
+ * Checks the current browser against a support map object to determine if the browser has been black-listed or
+ * not. If the browser was not configured specifically it is assumed to work. It is assumed that the body
+ * element is classified as either "ltr" or "rtl". If neither is set, "ltr" is assumed.
+ *
+ * A browser map is in the following format:
+ * {
+ * 'ltr': {
+ * // Multiple rules with configurable operators
+ * 'msie': [['>=', 7], ['!=', 9]],
+ * // Blocked entirely
+ * 'iphone': false
+ * },
+ * 'rtl': {
+ * // Test against a string
+ * 'msie': [['!==', '8.1.2.3']],
+ * // RTL rules do not fall through to LTR rules, you must explicity set each of them
+ * 'iphone': false
+ * }
+ * }
+ *
+ * @param map {Object} Browser support map
+ * @param profile {Object} (optional) a client-profile object.
+ *
+ * @return Boolean true if browser known or assumed to be supported, false if blacklisted
+ */
+ test: function ( map, profile ) {
+ /*jshint evil: true */
+
+ var conditions, dir, i, op, val;
+ profile = $.isPlainObject( profile ) ? profile : $.client.profile();
+
+ dir = $( 'body' ).is( '.rtl' ) ? 'rtl' : 'ltr';
+ // Check over each browser condition to determine if we are running in a compatible client
+ if ( typeof map[dir] !== 'object' || map[dir][profile.name] === undefined ) {
+ // Unknown, so we assume it's working
+ return true;
}
-
- /* Caching */
-
- profile = {
- 'browser': browser,
- 'layout': layout,
- 'os': os,
- 'version': version,
- 'versionBase': ( version !== x ? new String( version ).substr( 0, 1 ) : x ),
- 'versionNumber': ( parseFloat( version, 10 ) || 0.0 )
- };
- }
- return profile;
- };
-
- /**
- * Checks the current browser against a support map object to determine if the browser has been black-listed or
- * not. If the browser was not configured specifically it is assumed to work. It is assumed that the body
- * element is classified as either "ltr" or "rtl". If neither is set, "ltr" is assumed.
- *
- * A browser map is in the following format:
- * {
- * 'ltr': {
- * // Multiple rules with configurable operators
- * 'msie': [['>=', 7], ['!=', 9]],
- * // Blocked entirely
- * 'iphone': false
- * },
- * 'rtl': {
- * // Test against a string
- * 'msie': [['!==', '8.1.2.3']],
- * // RTL rules do not fall through to LTR rules, you must explicity set each of them
- * 'iphone': false
- * }
- * }
- *
- * @param map Object of browser support map
- *
- * @return Boolean true if browser known or assumed to be supported, false if blacklisted
- */
- this.test = function( map ) {
- var profile = jQuery.client.profile();
- var dir = jQuery( 'body' ).is( '.rtl' ) ? 'rtl' : 'ltr';
- // Check over each browser condition to determine if we are running in a compatible client
- if ( typeof map[dir] !== 'object' || map[dir][profile.browser] !== 'object' ) {
- // Unknown, so we assume it's working
- return true;
- }
- var browser = map[dir][profile.browser];
- for ( var condition in browser ) {
- var op = browser[condition][0];
- var val = browser[condition][1];
- if ( val === false ) {
- return false;
- } else if ( typeof val == 'string' ) {
- if ( !( eval( 'profile.version' + op + '"' + val + '"' ) ) ) {
+ conditions = map[dir][profile.name];
+ for ( i = 0; i < conditions.length; i++ ) {
+ op = conditions[i][0];
+ val = conditions[i][1];
+ if ( val === false ) {
return false;
}
- } else if ( typeof val == 'number' ) {
- if ( !( eval( 'profile.versionNumber' + op + val ) ) ) {
- return false;
+ if ( typeof val === 'string' ) {
+ if ( !( eval( 'profile.version' + op + '"' + val + '"' ) ) ) {
+ return false;
+ }
+ } else if ( typeof val === 'number' ) {
+ if ( !( eval( 'profile.versionNumber' + op + val ) ) ) {
+ return false;
+ }
}
}
+ return true;
}
- return true;
- }
-} )();
\ No newline at end of file
+ };
+}( jQuery ) );
dépôts / lhc / web / wiklou.git / blobdiff