includes/ResourceLoaderContext.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  * @author Trevor Parscal
  20  * @author Roan Kattouw
  21  */
  22
  23 defined( 'MEDIAWIKI' ) || die( 1 );
  24
  25 /**
  26  * Object passed around to modules which contains information about the state
  27  * of a specific loader request
  28  */
  29 class ResourceLoaderContext {
  30
  31         /* Protected Members */
  32
  33         protected $resourceLoader;
  34         protected $request;
  35         protected $modules;
  36         protected $language;
  37         protected $direction;
  38         protected $skin;
  39         protected $user;
  40         protected $debug;
  41         protected $only;
  42         protected $version;
  43         protected $hash;
  44
  45         /* Methods */
  46
  47         public function __construct( ResourceLoader $resourceLoader, WebRequest $request ) {
  48                 global $wgLang, $wgDefaultSkin, $wgResourceLoaderDebug;
  49
  50                 $this->resourceLoader = $resourceLoader;
  51                 $this->request = $request;
  52                 // Interperet request
  53                 $modules = $request->getVal( 'modules' );
  54                 $this->modules = $modules ? explode( '|', $modules ) : array();
  55                 $this->language = $request->getVal( 'lang' );
  56                 $this->direction = $request->getVal( 'dir' );
  57                 $this->skin = $request->getVal( 'skin' );
  58                 $this->user = $request->getVal( 'user' );
  59                 $this->debug = $request->getFuzzyBool( 'debug', $wgResourceLoaderDebug );
  60                 $this->only = $request->getVal( 'only' );
  61                 $this->version = $request->getVal( 'version' );
  62
  63                 // Fallback on system defaults
  64                 if ( !$this->language ) {
  65                         $this->language = $wgLang->getCode();
  66                 }
  67
  68                 if ( !$this->direction ) {
  69                         $this->direction = Language::factory( $this->language )->getDir();
  70                 }
  71
  72                 if ( !$this->skin ) {
  73                         $this->skin = $wgDefaultSkin;
  74                 }
  75         }
  76
  77         public function getResourceLoader() {
  78                 return $this->resourceLoader;
  79         }
  80
  81         public function getRequest() {
  82                 return $this->request;
  83         }
  84
  85         public function getModules() {
  86                 return $this->modules;
  87         }
  88
  89         public function getLanguage() {
  90                 return $this->language;
  91         }
  92
  93         public function getDirection() {
  94                 return $this->direction;
  95         }
  96
  97         public function getSkin() {
  98                 return $this->skin;
  99         }
 100
 101         public function getUser() {
 102                 return $this->user;
 103         }
 104
 105         public function getDebug() {
 106                 return $this->debug;
 107         }
 108
 109         public function getOnly() {
 110                 return $this->only;
 111         }
 112
 113         public function getVersion() {
 114                 return $this->version;
 115         }
 116
 117         public function shouldIncludeScripts() {
 118                 return is_null( $this->only ) || $this->only === 'scripts';
 119         }
 120
 121         public function shouldIncludeStyles() {
 122                 return is_null( $this->only ) || $this->only === 'styles';
 123         }
 124
 125         public function shouldIncludeMessages() {
 126                 return is_null( $this->only ) || $this->only === 'messages';
 127         }
 128
 129         public function getHash() {
 130                 if ( isset( $this->hash ) ) {
 131                         $this->hash = implode( '|', array(
 132                                 $this->language, $this->direction, $this->skin, $this->user,
 133                                 $this->debug, $this->only, $this->version
 134                         ) );
 135                 }
 136                 return $this->hash;
 137         }
 138 }