/**
* User-agent detection
*/
-( function( $ ) {
+( function ( $ ) {
/* Private Members */
- var profile;
+ /**
+ * @var profileCache {Object} Keyed by userAgent string,
+ * value is the parsed $.client.profile object for that user agent.
+ */
+ var profileCache = {};
/* Public Methods */
$.client = {
-
+
/**
- * Returns an object containing information about the browser
+ * Get an object containing information about the client.
*
- * The resulting client object will be in the following format:
+ * @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',
* 'versionNumber': 3.5,
* }
*/
- profile: function() {
+ profile: function ( nav ) {
+ if ( nav === undefined ) {
+ nav = window.navigator;
+ }
// Use the cached version if possible
- if ( profile === undefined ) {
-
+ if ( profileCache[nav.userAgent] === 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'];
+ 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
+ // 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'],
// 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'
+ '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 names = [
- 'camino', 'chrome', 'firefox', 'netscape', 'konqueror', 'lynx', 'msie', 'opera', 'safari', 'ipod',
- 'iphone', 'blackberry', 'ps3'
+ 'camino', 'chrome', 'firefox', 'netscape', 'konqueror', 'lynx', 'msie', 'opera',
+ 'safari', 'ipod', 'iphone', 'blackberry', 'ps3', 'rekonq'
];
// Tanslations for conforming browser names
var nameTranslations = [];
var platforms = ['win', 'mac', 'linux', 'sunos', 'solaris', 'iphone'];
// Translations for conforming operating system names
var platformTranslations = [['sunos', 'solaris']];
-
+
/* Methods */
-
- // Performs multiple replacements on a string
- var translate = function( source, translations ) {
- for ( var i = 0; i < translations.length; i++ ) {
+
+ /**
+ * Performs multiple replacements on a string
+ */
+ var 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 */
-
- var userAgent = navigator.userAgent,
+
+ /* Pre-processing */
+
+ var ua = nav.userAgent,
match,
name = uk,
layout = uk,
platform = uk,
version = x;
- if ( match = new RegExp( '(' + wildUserAgents.join( '|' ) + ')' ).exec( userAgent ) ) {
+ if ( match = new RegExp( '(' + wildUserAgents.join( '|' ) + ')' ).exec( ua ) ) {
// Takes a userAgent string and translates given text into something we can more easily work with
- userAgent = translate( userAgent, userAgentTranslations );
+ ua = translate( ua, userAgentTranslations );
}
// Everything will be in lowercase from now on
- userAgent = userAgent.toLowerCase();
-
+ ua = ua.toLowerCase();
+
/* Extraction */
-
- if ( match = new RegExp( '(' + names.join( '|' ) + ')' ).exec( userAgent ) ) {
+
+ if ( match = new RegExp( '(' + names.join( '|' ) + ')' ).exec( ua ) ) {
name = translate( match[1], nameTranslations );
}
- if ( match = new RegExp( '(' + layouts.join( '|' ) + ')' ).exec( userAgent ) ) {
+ if ( match = new RegExp( '(' + layouts.join( '|' ) + ')' ).exec( ua ) ) {
layout = translate( match[1], layoutTranslations );
}
- if ( match = new RegExp( '(' + layoutVersions.join( '|' ) + ')\\\/(\\d+)').exec( navigator.userAgent.toLowerCase() ) ) {
+ if ( match = new RegExp( '(' + layoutVersions.join( '|' ) + ')\\\/(\\d+)').exec( ua ) ) {
layoutversion = parseInt( match[2], 10 );
}
- if ( match = new RegExp( '(' + platforms.join( '|' ) + ')' ).exec( navigator.platform.toLowerCase() ) ) {
+ if ( match = new RegExp( '(' + platforms.join( '|' ) + ')' ).exec( nav.platform.toLowerCase() ) ) {
platform = translate( match[1], platformTranslations );
}
- if ( match = new RegExp( '(' + versionPrefixes.join( '|' ) + ')' + versionSuffix ).exec( userAgent ) ) {
+ 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 = userAgent.match( /version\/([0-9\.]*)/i )[1] || 10;
+ version = ua.match( /version\/([0-9\.]*)/i )[1] || 10;
}
var versionNumber = parseFloat( version, 10 ) || 0.0;
-
+
/* Caching */
-
- profile = {
- 'name': name,
- 'layout': layout,
- 'layoutVersion': layoutversion,
- 'platform': platform,
- 'version': version,
- 'versionBase': ( version !== x ? Math.floor( versionNumber ).toString() : x ),
- 'versionNumber': versionNumber
+
+ profileCache[nav.userAgent] = {
+ name: name,
+ layout: layout,
+ layoutVersion: layoutversion,
+ platform: platform,
+ version: version,
+ versionBase: ( version !== x ? Math.floor( versionNumber ).toString() : x ),
+ versionNumber: versionNumber
};
}
- return profile;
+ 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
* }
* }
*
- * @param map Object of browser support map
+ * @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 ) {
- var profile = $.client.profile();
- var dir = $( 'body' ).is( '.rtl' ) ? 'rtl' : 'ltr';
+ test: function ( map, profile ) {
+ 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' || typeof map[dir][profile.name] === 'undefined' ) {
+ if ( typeof map[dir] !== 'object' || map[dir][profile.name] === undefined ) {
// Unknown, so we assume it's working
return true;
}
- var name = map[dir][profile.name];
- for ( var condition in name ) {
- var op = name[condition][0];
- var val = name[condition][1];
+ 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 == 'string' ) {
+ }
+ if ( typeof val === 'string' ) {
if ( !( eval( 'profile.version' + op + '"' + val + '"' ) ) ) {
return false;
}
- } else if ( typeof val == 'number' ) {
+ } else if ( typeof val === 'number' ) {
if ( !( eval( 'profile.versionNumber' + op + val ) ) ) {
return false;
}
return true;
}
};
-} )( jQuery );
+}( jQuery ) );
dépôts / lhc / web / wiklou.git / blobdiff