<?php

require_once 'lib/MobileDetect/Mobile_Detect.php';

class Qs_Device_Detector_MobileDetect extends Qs_Device_Detector_AbstractDetector
{
    /** @var Mobile_Detect */
    protected $_mobileDetect;

    public function isMobile()
    {
        return ($this->_getMobileDetect()->isMobile() || $this->_getMobileDetect()->isTablet());
    }

    /**
     * @return string
     */
    public function getPointingMethod()
    {
        if (($this->_getMobileDetect()->isMobile() || $this->_getMobileDetect()->isTablet())) {
            return self::POINTING_METHOD_TOUCHSCREEN;
        }
        return self::POINTING_METHOD_MOUSE;
    }

    /**
     * @param string $userAgent
     * @return $this
     */
    public function setUserAgent($userAgent)
    {
        $this->_getMobileDetect()->setUserAgent($userAgent);
        return $this;
    }

    /**
     * @return null|string
     */
    public function getUserAgent()
    {
        return $this->_getMobileDetect()->getUserAgent();
    }

    /**
     * @return Mobile_Detect
     */
    protected function _getMobileDetect()
    {
        if (null === $this->_mobileDetect) {
            $this->_mobileDetect = new Mobile_Detect();
        }
        return $this->_mobileDetect;
    }
}