favicon.php

<?php
namespace Bitrix\Landing\Hook\Page;
 
use \Bitrix\Landing\Field;
use \Bitrix\Landing\File;
use \Bitrix\Landing\Manager;
use \Bitrix\Landing\PublicAction;
use \Bitrix\Main\Localization\Loc;
 
Loc::loadMessages(__FILE__);
 
class Favicon extends \Bitrix\Landing\Hook\Page
{
    protected function getMap()
    {
        return array(
            'PICTURE' => new Field\Hidden('PICTURE', array(
                'title' => Loc::getMessage('LANDING_HOOK_FI_PICTURE'),
                'fetch_data_modification' => function($value)
                {
                    if (PublicAction::restApplication())
                    {
                        if ($value > 0)
                        {
                            $path = File::getFilePath($value);
                            if ($path)
                            {
                                $path = Manager::getUrlFromFile($path);
                                return $path;
                            }
                        }
                    }
                    return $value;
                }
            ))
        );
    }
 
    public function getTitle()
    {
        return Loc::getMessage('LANDING_HOOK_FI_PICTURE');
    }
 
    public function enabledInEditMode()
    {
        return false;
    }
 
    public function enabled()
    {
        if ($this->issetCustomExec())
        {
            return true;
        }
 
        return $this->fields['PICTURE']->getValue() > 0;
    }
 
    public function exec()
    {
        if ($this->execCustom())
        {
            return;
        }
 
        $picture = intval($this->fields['PICTURE']->getValue());
 
        if ($picture > 0)
        {
            $icons = "\n";
            // first simple favicons
            $sizes = ['16x16', '32x32', '96x96'];
            foreach ($sizes as $size)
            {
                list($w, $h) = explode('x', $size);
                $file = \CFile::resizeImageGet(
                    \Bitrix\Landing\File::getFileArray($picture),
                    array(
                        'width' => $w,
                        'height' => $h
                    ),
                    BX_RESIZE_IMAGE_EXACT
                );
                if ($file)
                {
                    $srcExplode = explode('.', $file['src']);
                    $ext = array_pop($srcExplode);
                    $icons .= '<link rel="icon" type="image/' . $ext .
                              '" href="' . $file['src'] . '" sizes="' . $size . '">' . "\n";
                }
            }
            // apple icons
            $sizes = array('120x120', '180x180', '152x152', '167x167');
            foreach ($sizes as $size)
            {
                list($w, $h) = explode('x', $size);
                $file = \CFile::resizeImageGet(
                    \Bitrix\Landing\File::getFileArray($picture),
                    array(
                        'width' => $w,
                        'height' => $h
                    ),
                    BX_RESIZE_IMAGE_EXACT
                );
                if ($file)
                {
                    $icons .= '<link rel="apple-touch-icon"' .
                              ' href="' . $file['src'] . '" sizes="' . $size . '">' . "\n";
                }
            }
            if ($icons)
            {
                Manager::setPageView(
                    'BeforeHeadClose',
                    $icons,
                    true
                );
            }
        }
    }
}