mediawiki-skins-Citizen/includes/CitizenHooks.php
2020-01-01 17:40:56 -05:00

133 lines
3.5 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
*/
namespace Citizen;
use ConfigException;
use Exception;
use MediaWiki\MediaWikiServices;
use OutputPage;
use RequestContext;
use Skin;
use ThumbnailImage;
/**
* Hook handlers for Citizen skin.
*
* Hook handler method names should be in the form of:
* on<HookName>()
*/
class CitizenHooks {
/**
* @param OutputPage $out
* @param Skin $skin
* @return bool
*/
public static function onBeforePageDisplay( $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 ) {
try {
$config = MediaWikiServices::getInstance()->getConfigFactory()->makeConfig( 'Citizen' );
} catch ( Exception $e ) {
return false;
}
try {
$vars['wgCitizenSearchDescriptionSource'] = $config->get( 'CitizenSearchDescriptionSource' );
} catch ( ConfigException $e ) {
// Should not happen
$vars['wgCitizenSearchDescriptionSource'] = 'textextracts';
}
try {
$vars['wgCitizenMaxSearchResults'] = $config->get( 'CitizenMaxSearchResults' );
} catch ( ConfigException $e ) {
// Should not happen
$vars['wgCitizenMaxSearchResults'] = 6;
}
return true;
}
/**
* Lazyload images
* Modified from the Lazyload extension
* Looks for thumbnail and swap src to data-src
*
* @param ThumbnailImage $thumb
* @param array &$attribs
* @param array &$linkAttribs
* @return bool
*/
public static function onThumbnailBeforeProduceHTML( $thumb, &$attribs, &$linkAttribs ) {
$file = $thumb->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['data-width'] = $attribs['width'];
$attribs['data-height'] = $attribs['height'];
// Replace src with small size image
$attribs['src'] = preg_replace( '#/\d+px-#', '/10px-', $attribs['src'] );
// 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'], $attribs['data-height'] );
if ( isset( $attribs['srcset'] ) ) {
$attribs['data-srcset'] = $attribs['srcset'];
unset( $attribs['srcset'] );
}
}
return true;
}
}