mediawiki-skins-Citizen/includes/CitizenHooks.php
2019-12-14 00:44:09 -05:00

97 lines
2.9 KiB
PHP

<?php
/**
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
use MediaWiki\MediaWikiServices;
/**
* Hook handlers for Citizen skin.
*
* Hook handler method names should be in the form of:
* on<HookName>()
*/
class CitizenHooks {
public static function BeforePageDisplay($out, $skin) {
$out->addModules( 'skins.citizen.bpd' );
return true;
}
/**
* ResourceLoaderGetConfigVars hook handler for setting a config variable
* @see https://www.mediawiki.org/wiki/Manual:Hooks/ResourceLoaderGetConfigVars
*
* @param array &$vars Array of variables to be added into the output of the startup module.
* @return bool
*/
public static function onResourceLoaderGetConfigVars( &$vars ) {
$config = MediaWikiServices::getInstance()->getConfigFactory()
->makeConfig( 'Citizen' );
$vars['wgCitizenMaxSearchResults'] = $config->get( 'CitizenMaxSearchResults' );
$vars['wgCitizenSearchExchars'] = $config->get( 'CitizenSearchExchars' );
return true;
}
/**
* Lazyload images
* Modified from the Lazyload extension
* Looks for thumbnail and swap src to data-src
*/
public static function ThumbnailBeforeProduceHTML($thumb, &$attribs, &$linkAttribs) {
$file = $thumb->getFile();
if ( $file ) {
global $wgRequest, $wgTitle;
if (defined('MW_API') && $wgRequest->getVal('action') === 'parse') return true;
if (isset($wgTitle) && $wgTitle->getNamespace() === NS_FILE) return true;
// Set lazy class for the img
$attribs['class'] = 'lazy';
// Native API
$attribs['loading'] = 'lazy';
$attribs['data-src'] = $attribs['src'];
$attribs['data-width'] = $attribs['width'];
$attribs['data-height'] = $attribs['height'];
// Replace src with small size image
$attribs['src'] = preg_replace('#/\d+px-#', '/10px-', $attribs['src']);
// $attribs['src'] = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7';
// So that the 10px thumbnail is enlarged to the right size
$attribs['width'] = $attribs['data-width'];
$attribs['height'] = $attribs['data-height'];
// Clean up
unset($attribs['data-width']);
unset($attribs['data-height']);
if (isset($attribs['srcset'])) {
$attribs['data-srcset'] = $attribs['srcset'];
unset($attribs['srcset']);
}
}
return true;
}
}