includes/resourceloader/ResourceLoaderOOUIImageModule.php

   1 <?php
   2 /**
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 2 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  16  * http://www.gnu.org/copyleft/gpl.html
  17  *
  18  * @file
  19  */
  20
  21 /**
  22  * Secret special sauce.
  23  *
  24  * @since 1.26
  25  */
  26 class ResourceLoaderOOUIImageModule extends ResourceLoaderImageModule {
  27         protected function loadFromDefinition() {
  28                 if ( $this->definition === null ) {
  29                         return;
  30                 }
  31
  32                 // Core default themes
  33                 $themes = array( 'default' => 'mediawiki' );
  34                 $themes += ExtensionRegistry::getInstance()->getAttribute( 'SkinOOUIThemes' );
  35
  36                 $name = $this->definition['name'];
  37                 $rootPath = $this->definition['rootPath'];
  38
  39                 $definition = array();
  40                 foreach ( $themes as $skin => $theme ) {
  41                         // TODO Allow extensions to specify this path somehow
  42                         $dataPath = $this->localBasePath . '/' . $rootPath . '/' . $theme . '/' . $name . '.json';
  43
  44                         if ( file_exists( $dataPath ) ) {
  45                                 $data = json_decode( file_get_contents( $dataPath ), true );
  46                                 $fixPath = function ( &$path ) use ( $rootPath, $theme ) {
  47                                         // TODO Allow extensions to specify this path somehow
  48                                         $path = $rootPath . '/' . $theme . '/' . $path;
  49                                 };
  50                                 array_walk( $data['images'], function ( &$value ) use ( $fixPath ) {
  51                                         if ( is_string( $value['file'] ) ) {
  52                                                 $fixPath( $value['file'] );
  53                                         } elseif ( is_array( $value['file'] ) ) {
  54                                                 array_walk_recursive( $value['file'], $fixPath );
  55                                         }
  56                                 } );
  57                         } else {
  58                                 $data = array();
  59                         }
  60
  61                         foreach ( $data as $key => $value ) {
  62                                 switch ( $key ) {
  63                                         case 'images':
  64                                         case 'variants':
  65                                                 $definition[$key][$skin] = $data[$key];
  66                                                 break;
  67
  68                                         default:
  69                                                 if ( !isset( $definition[$key] ) ) {
  70                                                         $definition[$key] = $data[$key];
  71                                                 } elseif ( $definition[$key] !== $data[$key] ) {
  72                                                         throw new Exception(
  73                                                                 "Mismatched OOUI theme definitions are not supported: trying to load $key of $theme theme"
  74                                                         );
  75                                                 }
  76                                                 break;
  77                                 }
  78                         }
  79                 }
  80
  81                 // Fields from definition silently override keys from JSON files
  82                 $this->definition += $definition;
  83
  84                 parent::loadFromDefinition();
  85         }
  86 }