Vk::handle

public function handle(HtmlDocument $document)
{
	$uri = $document->getUri();
	if(mb_strpos($uri->getPath(), '/video') !== 0)
	{
		return;
	}

	parent::handle($document);

	if($document->getExtraField('VIDEO') <> '' && $document->getExtraField('VIDEO_TYPE') == 'application/x-shockwave-flash')
	{
		$ogVideo = $document->getExtraField('VIDEO');
		$swfUri = new Uri($ogVideo);
		$swfQuery = $swfUri->getQuery();
		if(!empty($swfQuery))
		{
			parse_str($swfQuery, $swfParams);
			if(isset($swfParams['oid']) && isset($swfParams['vid']) && isset($swfParams['embed_hash']))
			{
				$embedUri = new Uri('https://vk.com/video_ext.php');
				$embedUri->addParams(array('oid' => $swfParams['oid'], 'id' => $swfParams['vid'], 'hash' => $swfParams['embed_hash']));
				if($document->getExtraField('VIDEO_WIDTH') && $document->getExtraField('VIDEO_WIDTH') < UrlPreview::IFRAME_MAX_WIDTH)
				{
					$width = $document->getExtraField('VIDEO_WIDTH');
				}
				else
				{
					$width = UrlPreview::IFRAME_MAX_WIDTH;
				}
				if($document->getExtraField('VIDEO_HEIGHT') && $document->getExtraField('VIDEO_HEIGHT') < UrlPreview::IFRAME_MAX_HEIGHT)
				{
					$height = $document->getExtraField('VIDEO_HEIGHT');
				}
				else
				{
					$height = UrlPreview::IFRAME_MAX_HEIGHT;
				}
				$iframe = '';
				$document->setEmbed($iframe);
				$document->setExtraField('PROVIDER_NAME', 'VK');
			}
		}
	}
}