includes/resourceloader/ResourceLoaderSkinModule.php

   1 <?php
   2 /**
   3  * Resource loader module for skin stylesheets.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @author Timo Tijhof
  22  */
  23
  24 class ResourceLoaderSkinModule extends ResourceLoaderFileModule {
  25
  26         /* Methods */
  27
  28         /**
  29          * @param $context ResourceLoaderContext
  30          * @return array
  31          */
  32         public function getStyles( ResourceLoaderContext $context ) {
  33                 $logo = $this->getConfig()->get( 'Logo' );
  34                 $styles = parent::getStyles( $context );
  35                 $styles['all'][] = '.mw-wiki-logo { background-image: ' .
  36                         CSSMin::buildUrlValue( $logo ) .
  37                         '; }';
  38
  39                 return $styles;
  40         }
  41
  42         /**
  43          * @param $context ResourceLoaderContext
  44          * @return boolean
  45          */
  46         public function isKnownEmpty( ResourceLoaderContext $context ) {
  47                 // Regardless of whether the files are specified, we always
  48                 // provide mw-wiki-logo styles.
  49                 return false;
  50         }
  51
  52         /**
  53          * @param $context ResourceLoaderContext
  54          * @return int|mixed
  55          */
  56         public function getModifiedTime( ResourceLoaderContext $context ) {
  57                 $parentMTime = parent::getModifiedTime( $context );
  58                 return max( $parentMTime, $this->getHashMtime( $context ) );
  59         }
  60
  61         /**
  62          * @param $context ResourceLoaderContext
  63          * @return string: Hash
  64          */
  65         public function getModifiedHash( ResourceLoaderContext $context ) {
  66                 $logo = $this->getConfig()->get( 'Logo' );
  67                 return md5( parent::getModifiedHash( $context ) . $logo );
  68         }
  69 }