includes/resourceloader/ResourceLoaderSkinModule.php

   1 <?php
   2 /**
   3  * ResourceLoader 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         /**
  27          * @param ResourceLoaderContext $context
  28          * @return array
  29          */
  30         public function getStyles( ResourceLoaderContext $context ) {
  31                 $conf = $this->getConfig();
  32                 $logo = $conf->get( 'Logo' );
  33                 $logoHD = $conf->get( 'LogoHD' );
  34
  35                 $logo1 = OutputPage::transformResourcePath( $conf, $logo );
  36                 $logo15 = OutputPage::transformResourcePath( $conf, $logoHD['1.5x'] );
  37                 $logo2 = OutputPage::transformResourcePath( $conf, $logoHD['2x'] );
  38
  39                 $styles = parent::getStyles( $context );
  40                 $styles['all'][] = '.mw-wiki-logo { background-image: ' .
  41                         CSSMin::buildUrlValue( $logo1 ) .
  42                         '; }';
  43                 // Only 1.5x and 2x are supported
  44                 // Note: Keep in sync with OutputPage::addLogoPreloadLinkHeaders()
  45                 if ( $logoHD ) {
  46                         if ( isset( $logoHD['1.5x'] ) ) {
  47                                 $styles[
  48                                         '(-webkit-min-device-pixel-ratio: 1.5), ' .
  49                                         '(min--moz-device-pixel-ratio: 1.5), ' .
  50                                         '(min-resolution: 1.5dppx), ' .
  51                                         '(min-resolution: 144dpi)'
  52                                 ][] = '.mw-wiki-logo { background-image: ' .
  53                                 CSSMin::buildUrlValue( $logo15 ) . ';' .
  54                                 'background-size: 135px auto; }';
  55                         }
  56                         if ( isset( $logoHD['2x'] ) ) {
  57                                 $styles[
  58                                         '(-webkit-min-device-pixel-ratio: 2), ' .
  59                                         '(min--moz-device-pixel-ratio: 2),' .
  60                                         '(min-resolution: 2dppx), ' .
  61                                         '(min-resolution: 192dpi)'
  62                                 ][] = '.mw-wiki-logo { background-image: ' .
  63                                 CSSMin::buildUrlValue( $logo2 ) . ';' .
  64                                 'background-size: 135px auto; }';
  65                         }
  66                 }
  67                 return $styles;
  68         }
  69
  70         /**
  71          * @param ResourceLoaderContext $context
  72          * @return bool
  73          */
  74         public function isKnownEmpty( ResourceLoaderContext $context ) {
  75                 // Regardless of whether the files are specified, we always
  76                 // provide mw-wiki-logo styles.
  77                 return false;
  78         }
  79
  80         public function getDefinitionSummary( ResourceLoaderContext $context ) {
  81                 $summary = parent::getDefinitionSummary( $context );
  82                 $summary[] = [
  83                         'logo' => $this->getConfig()->get( 'Logo' ),
  84                         'logoHD' => $this->getConfig()->get( 'LogoHD' ),
  85                 ];
  86                 return $summary;
  87         }
  88 }