jidaikobo-shibata/a11yc

<?php
/**
 * * A11yc\Validate\Check\Viewport
 *
 * @package    part of A11yc
 * @author     Jidaikobo Inc.
 * @license    The MIT License (MIT)
 * @copyright  Jidaikobo Inc.
 * @link       http://www.jidaikobo.com
 */
namespace A11yc\Validate\Check;

use A11yc\Element;
use A11yc\Validate;

class Viewport extends Validate
{
    /**
     * viewport
     *
     * @param String $url
     * @return Void
     */
    public static function check($url)
    {
        Validate\Set::log($url, 'user_scalable_no', self::$unspec, 5);
        if (Validate::$is_partial === true) return;
        Validate\Set::log($url, 'user_scalable_no', self::$unspec, 1);

        $str = Element\Get::ignoredHtml($url);
        $ms = Element\Get::elementsByRe($str, 'ignores', 'tags');
        if ( ! $ms[0]) return;

        foreach ($ms[1] as $k => $tag)
        {
            $tstr = $ms[0][$k];
            Validate\Set::errorAndLog(
                $tag == 'meta' && strpos($ms[2][$k], 'user-scalable=no') !== false,
                $url,
                'user_scalable_no',
                0,
                $tstr,
                'user-scalable=no'
            );
        }
        static::addErrorToHtml($url, 'user_scalable_no', static::$error_ids[$url]);
    }
}