private function getImpressionCode(Pap_Common_User $user = null){
if($user === null){
return $this->getEmptyImg();
}
$src = Pap_Tracking_ImpressionTracker::getInstance()->getSrcCode($this, $user, $this->channel);
$src = str_replace('&','&',$src);
return $src;
}
/**
* @param Pap_Common_User $user
* @return String impression tracking code
*/
public function getImpressionTrackingCode(Pap_Common_User $user, $flags, $data1 = '', $data2 = '')
{
if ($flags & Pap_Common_Banner::FLAG_MERCHANT_PREVIEW || $flags & Pap_Common_Banner::FLAG_AFFILIATE_PREVIEW) {
return '';
}
return Pap_Tracking_ImpressionTracker::getInstance()->getImpressionTrackingCode($this, $user, $this->channel, $data1, $data2);
}
/**
* @return Pap_Tracking_ImpressionTracker
*/
public static function getInstance() {
if (self::$instance == NULL) {
self::$instance = new Pap_Tracking_ImpressionTracker();
}
return self::$instance;
}
