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<?php
/**
* @package gantry
* @subpackage core
* @version $Id: Browser.php 6565 2013-01-16 17:20:38Z btowles $
* @author RocketTheme http://www.rockettheme.com
* @copyright Copyright (C) 2007 - 2015 RocketTheme, LLC
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 only
*
* Gantry uses the JoomlaRTCacheDriver Framework (http://www.joomla.org), a GNU/GPLv2 content management system
*
*/
defined('RTCOMMON') or die('Restricted access');
/**
* @package gantry
* @subpackage core
*/
class RTCommon_Browser {
var $_ua;
var $name;
var $version;
var $shortversion;
var $platform;
var $engine;
var $_checks = array();
function RTCommon_Browser() {
$this->_ua = $_SERVER['HTTP_USER_AGENT'];
$this->_checkPlatform();
$this->_checkBrowser();
$this->_checkEngine();
// add short version
if ($this->version != 'unknown') $this->shortversion = substr($this->version, 0, strpos($this->version, '.'));
else $this->shortversion = 'unknown';
$this->_createChecks();
}
function _checkPlatform() {
if (preg_match("/iPhone/", $this->_ua) || preg_match("/iPod/", $this->_ua)) {
$this->platform = "iphone";
}
elseif (preg_match("/iPad/", $this->_ua)) {
$this->platform = "ipad";
}
elseif (preg_match("/Android/", $this->_ua)) {
$this->platform = "android";
}
elseif (preg_match("/Mobile/i", $this->_ua)) {
$this->platform = "mobile";
}
elseif (preg_match("/win/i", $this->_ua)) {
$this->platform = "win";
}
elseif (preg_match("/mac/i", $this->_ua)) {
$this->platform = "mac";
}
elseif (preg_match("/linux/i", $this->_ua)) {
$this->platform = "linux";
} else {
$this->platform = "unknown";
}
return $this->platform;
}
function _checkEngine(){
switch($this->name){
case 'ie':
$this->engine = 'trident';
break;
case 'minefield':
case 'firefox':
$this->engine = 'gecko';
break;
case 'android':
case 'ipad':
case 'iphone':
case 'chrome':
case 'safari':
$this->engine = 'webkit';
break;
case 'opera':
$this->engine = 'presto';
break;
default:
$this->engine = 'unknown';
break;
}
}
function _checkBrowser() {
// IE
if (preg_match('/msie/i', $this->_ua) && !preg_match('/opera/i', $this->_ua)) {
$result = explode(' ', stristr(str_replace(';', ' ', $this->_ua), 'msie'));
$this->name = 'ie';
$this->version = $result[1];
}
// Firefox
elseif (preg_match('/Firefox/', $this->_ua)) {
$result = explode('/', stristr($this->_ua, 'Firefox'));
$version = explode(' ', $result[1]);
$this->name = 'firefox';
$this->version = $version[0];
}
// Minefield
elseif (preg_match('/Minefield/', $this->_ua)) {
$result = explode('/', stristr($this->_ua, 'Minefield'));
$version = explode(' ', $result[1]);
$this->name = 'minefield';
$this->version = $version[0];
}
// Chrome
elseif (preg_match('/Chrome/', $this->_ua)) {
$result = explode('/', stristr($this->_ua, 'Chrome'));
$version = explode(' ', $result[1]);
$this->name = 'chrome';
$this->version = $version[0];
}
//Safari
elseif (preg_match('/Safari/', $this->_ua) && !preg_match('/iPhone/', $this->_ua) && !preg_match('/iPod/', $this->_ua) && !preg_match('/iPad/', $this->_ua)) {
$result = explode('/', stristr($this->_ua, 'Version'));
$this->name = 'safari';
if (isset ($result[1])) {
$version = explode(' ', $result[1]);
$this->version = $version[0];
} else {
$this->version = 'unknown';
}
}
// Opera
elseif (preg_match('/opera/i', $this->_ua)) {
$result = stristr($this->_ua, 'opera');
if (preg_match('/\//', $result)) {
$result = explode('/', $result);
$version = explode(' ', $result[1]);
$this->name = 'opera';
$this->version = $version[0];
} else {
$version = explode(' ', stristr($result, 'opera'));
$this->name = 'opera';
$this->version = $version[1];
}
}
// iPhone/iPod
elseif (preg_match('/iPhone/', $this->_ua) || preg_match('/iPod/', $this->_ua)) {
$result = explode('/', stristr($this->_ua, 'Version'));
$this->name = 'iphone';
if (isset ($result[1])) {
$version = explode(' ', $result[1]);
$this->version = $version[0];
} else {
$this->version = 'unknown';
}
}
// iPad
elseif (preg_match('/iPad/', $this->_ua)) {
$result = explode('/', stristr($this->_ua, 'Version'));
$this->name = 'ipad';
if (isset ($result[1])) {
$version = explode(' ', $result[1]);
$this->version = $version[0];
} else {
$this->version = 'unknown';
}
}
// Android
elseif (preg_match('/Android/', $this->_ua)) {
$result = explode('/', stristr($this->_ua, 'Version'));
$this->name = 'android';
if (isset ($result[1])) {
$version = explode(' ', $result[1]);
$this->version = $version[0];
} else {
$this->version = "unknown";
}
} else {
$this->name = "unknown";
$this->version = "unknown";
}
}
function _createChecks() {
$this->_checks = array(
'', // filename
'-' . $this->name, // browser check
'-' . $this->platform, // platform check
'-' . $this->engine, // render engine
'-' . $this->name . '-' . $this->platform, // browser + platform check
'-' . $this->name . $this->shortversion, // short browser version check
'-' . $this->name . $this->version, // longbrowser version check
'-' . $this->name . $this->shortversion . '-' . $this->platform, // short browser version + platform check
'-' . $this->name . $this->version . '-' . $this->platform // longbrowser version + platform check
);
}
function getChecks($file, $keep_path = false) {
$checkfiles = array();
$ext = substr($file, strrpos($file, '.'));
$path = ($keep_path)?dirname($file).'/':'';
$filename = basename($file, $ext);
foreach($this->_checks as $suffix){
$checkfiles[] = $path.$filename.$suffix.$ext;
}
return $checkfiles;
}
}