mediawiki-skins-Citizen/includes/Hooks/ThumbnailHooks.php

101 lines
2.6 KiB
PHP

<?php
/**
* Citizen - A responsive skin developed for the Star Citizen Wiki
*
* This file is part of Citizen.
*
* Citizen is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Citizen is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Citizen. If not, see <https://www.gnu.org/licenses/>.
*
* @file
* @ingroup Skins
*/
declare( strict_types=1 );
namespace Citizen\Hooks;
use ConfigException;
use MediaWiki\Hook\ThumbnailBeforeProduceHTMLHook;
use MediaWiki\MediaWikiServices;
use RequestContext;
use ThumbnailImage;
/**
* Hooks to tun relating thumbnails
*/
class ThumbnailHooks implements ThumbnailBeforeProduceHTMLHook {
/**
* Lazyload images
* Modified from the Lazyload extension
* Looks for thumbnail and swap src to data-src
*
* @param ThumbnailImage $thumbnail
* @param array &$attribs
* @param array &$linkAttribs
* @return bool
*/
public function onThumbnailBeforeProduceHTML( $thumbnail, &$attribs, &$linkAttribs ) {
try {
$lazyloadEnabled = self::getSkinConfig( 'CitizenEnableLazyload' );
} catch ( ConfigException $e ) {
$lazyloadEnabled = false;
}
// Replace thumbnail if lazyload is enabled
if ( $lazyloadEnabled === true ) {
$file = $thumbnail->getFile();
if ( $file !== null ) {
$request = RequestContext::getMain()->getRequest();
if ( defined( 'MW_API' ) && $request->getVal( 'action' ) === 'parse' ) {
return true;
}
// Set lazy class for the img
if ( isset( $attribs['class'] ) ) {
$attribs['class'] .= ' lazy';
} else {
$attribs['class'] = 'lazy';
}
// Native API
$attribs['loading'] = 'lazy';
$attribs['data-src'] = $attribs['src'];
$attribs['src'] = 'data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D';
if ( isset( $attribs['srcset'] ) ) {
$attribs['data-srcset'] = $attribs['srcset'];
$attribs['srcset'] = '';
}
}
}
return true;
}
/**
* Get a skin configuration variable.
*
* @param string $name Name of configuration option.
* @return mixed Value configured.
* @throws ConfigException
*/
private static function getSkinConfig( $name ) {
return MediaWikiServices::getInstance()->getConfigFactory()->makeConfig( 'Citizen' )->get( $name );
}
}