Current File : /www/varak.net/wiki.varak.net/extensions/MobileFrontend/includes/devices/UADeviceDetector.php
<?php
/**
* Copyright (c) 2011 Patrick Reilly
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
namespace MobileFrontend\Devices;
use WebRequest;
/**
* Detect mobile and tablet devices by testing whether the User-Agent request
* header matches a list of regular expressions.
*/
class UADeviceDetector implements DeviceDetector {
/**
* @inheritDoc
*/
public function detectDeviceProperties( WebRequest $request, array $server ) {
$userAgent = $request->getHeader( 'User-Agent' );
return new DeviceProperties(
$this->detectMobileDevice( $userAgent ),
$this->detectTabletDevice( $userAgent )
);
}
/**
* Tests whether the UA is known to be sent on behalf of users using a mobile
* device.
*
* @author Patrick Reilly
*
* @param $userAgent
* @return bool
*/
private function detectMobileDevice( $userAgent ) {
$patterns = [
'mobi',
'240x240',
'240x320',
'320x320',
'alcatel',
'android',
'audiovox',
'bada',
'benq',
'blackberry',
'cdm-',
'compal-',
'docomo',
'ericsson',
'hiptop',
'htc[-_]',
'huawei',
'ipod',
'kddi-',
'kindle',
'meego',
'midp',
'mitsu',
'mmp\/',
'mot-',
'motor',
'ngm_',
'nintendo',
'opera.m',
'palm',
'panasonic',
'philips',
'phone',
'playstation',
'portalmmm',
'sagem-',
'samsung',
'sanyo',
'sec-',
'sendo',
'sharp',
'silk',
'softbank',
'symbian',
'teleca',
'up.browser',
'webos',
];
$patternsStart = [
'lg-',
'sie-',
'nec-',
'lge-',
'sgh-',
'pg-',
];
$regex = '/^(' . implode( '|', $patternsStart ) . ')|(' . implode( '|', $patterns ) . ')/i';
$exceptionRegex = '/SMART-TV.*SamsungBrowser/';
return preg_match( $regex, $userAgent )
&& !preg_match( $exceptionRegex, $userAgent );
}
/**
* Tests whether the UA is known to be sent on behalf of users using a tablet
* device.
*
* @author Patrick Reilly
*
* @param $userAgent
* @return bool
*/
private function detectTabletDevice( $userAgent ) {
// The only way to distinguish Android browsers on tablet from Android
// browsers on mobile is that Android browsers on tablet usually don't
// include the word "mobile". We look for "mobi" instead of "mobile" due to
// Opera Mobile. Note that this test fails to detect some obscure tablets
// such as older Xoom tablets and Portablet tablets. See
// http://stackoverflow.com/questions/5341637 for more detail.
if ( preg_match( '/Android/i', $userAgent ) ) {
return !preg_match( '/mobi/i', $userAgent );
}
return (bool)preg_match( '/(iPad|Tablet|PlayBook|Wii|Silk)/i', $userAgent );
}
}
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