Context.php

См. документацию.

<?php
 
namespace Bitrix\Im\V2\Application;
 
use Bitrix\Main\Application;
 
class Context
{
    private const DESKTOP_API_VERSION_GET_PARAMETER = 'BXD_API_VERSION';
    private const DESKTOP_USER_AGENT = 'BitrixDesktop';
    private const MOBILE_USER_AGENT = 'BitrixMobile';
 
    private \Bitrix\Main\Context $context;
 
    public function __construct(\Bitrix\Main\Context $context)
    {
        $this->context = $context;
    }
 
    public static function getCurrent(): static
    {
        return new static(Application::getInstance()->getContext());
    }
 
    public function isDesktop(): bool
    {
        return
            $this->context->getRequest()->getQuery(self::DESKTOP_API_VERSION_GET_PARAMETER)
            || $this->containInUserAgent(self::DESKTOP_USER_AGENT)
        ;
    }
 
    public function isMobile(): bool
    {
        return $this->containInUserAgent(self::MOBILE_USER_AGENT);
    }
 
    private function containInUserAgent(string $userAgent): bool
    {
        return stripos($this->context->getRequest()->getUserAgent() ?? '', $userAgent) !== false;
    }
}