function scaleImages(&$dom, &$serendipity)
{
if ($this->get_config('wurfl')) {
$this->debugItems[] = 'Trying to scale images with WURFL';
// already did a wurfl check for this device in our session?
if ($_SESSION['mobile_plugin']['ua'] == $_SERVER['HTTP_USER_AGENT'] && $_SESSION['mobile_plugin']['wurfl']['width']) {
// got the wurfl result stored in session
$imageWidth = $_SESSION['mobile_plugin']['wurfl']['width'];
$this->debugItems[] = 'We don\'t need to query WURFL again as the result was stored in our session';
} else {
// load wurfl php
require_once dirname(__FILE__) . '/wurfl/wurfl_config.php';
require_once WURFL_CLASS_FILE;
// create wurfl object
$W = new wurfl_class();
$this->debugItems[] = 'WURFL object created';
// query wurfl
$W->GetDeviceCapabilitiesFromAgent($_SERVER['HTTP_USER_AGENT']);
// get maximum image width from wurfl
$imageWidth = (int) $W->getDeviceCapability('max_image_width') - 20;
}
if ($imageWidth < 0) {
// fallback
$dom = $this->m->scaleImages($dom, $serendipity, $this->get_config('scale_image_width'), S9Y_PEAR_PATH, $this->debugItems);
$this->debugItems[] = 'Device not found in WURFL or screen to small. Using maximum image width as fallback';
} else {
// found a device
$_SESSION['mobile_plugin']['wurfl']['width'] = $imageWidth;
$dom = $this->m->scaleImages($dom, $serendipity, $imageWidth, S9Y_PEAR_PATH, $this->debugItems);
$this->debugItems[] = 'Device found in WURFL, images were scaled';
}
} else {
if (serendipity_db_bool($this->get_config('wurfl')) && $this->m->isIPhone === true) {
// fix image width for iphone if not found in wurfl
$this->debugItems[] = 'Scaling images for iPhone device';
$dom = $this->m->scaleImages($dom, $serendipity, 300, S9Y_PEAR_PATH, $this->debugItems);
$this->debugItems[] = 'Scaled all images';
} else {
// don't use wurfl
$dom = $this->m->scaleImages($dom, $serendipity, $this->get_config('scale_image_width'), S9Y_PEAR_PATH, $this->debugItems);
$this->debugItems[] = 'Scaled all images';
}
}
// store useragent in session to check if it has changed since the last request
$_SESSION['mobile_plugin']['ua'] = $_SERVER['HTTP_USER_AGENT'];
}
}
if (isset($_GET['devHeight'])) {
$device['height'] = $_GET['devHeight'];
}
if (isset($device)) {
$_SESSION['device'] = $device;
}
$wurflFile = "wurfl/wurfl_class.php";
if (file_exists($wurflFile)) {
require_once $wurflFile;
$wurfl = new wurfl_class($wurfl, $wurfl_agents);
// Set the user agent
$wurfl->GetDeviceCapabilitiesFromAgent($_SERVER['HTTP_USER_AGENT']);
//print_r( $wurfl->wurfl_agent );
if ($wurfl->wurfl_agent) {
if ($wurfl->getDeviceCapability('html_wi_oma_xhtmlmp_1_0')) {
$device['width'] = $wurfl->getDeviceCapability('resolution_width');
$device['height'] = $wurfl->getDeviceCapability('resolution_height');
}
}
} else {
// This is an example of using fixed device strings to just match your phone etc
$devices = array(array('name' => "Motorola V600", 'ua_match' => "MOT-V600", 'skin' => "mobile", 'cookies' => false, 'width' => 176, 'height' => 220));
foreach ($devices as $tempDevice) {
if (preg_match('/' . $tempDevice['ua_match'] . '/', $_SERVER['HTTP_USER_AGENT'])) {
$skin = $tempDevice['skin'];
$cookies = $tempDevice['cookies'];
break;
}
}
}
