includes/resourceloader/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 /**
  24  * Object passed around to modules which contains information about the state
  25  * of a specific loader request
  26  */
  27 class ResourceLoaderContext {
  28
  29         /* Protected Members */
  30
  31         protected $resourceLoader;
  32         protected $request;
  33         protected $modules;
  34         protected $language;
  35         protected $direction;
  36         protected $skin;
  37         protected $user;
  38         protected $debug;
  39         protected $only;
  40         protected $version;
  41         protected $hash;
  42
  43         /* Methods */
  44
  45         public function __construct( ResourceLoader $resourceLoader, WebRequest $request ) {
  46                 global $wgDefaultSkin, $wgResourceLoaderDebug;
  47
  48                 $this->resourceLoader = $resourceLoader;
  49                 $this->request = $request;
  50
  51                 // Interpret request
  52                 // List of modules
  53                 $modules = $request->getVal( 'modules' );
  54                 $this->modules   = $modules ? explode( '|', $modules ) : array();
  55                 // Various parameters
  56                 $this->skin      = $request->getVal( 'skin' );
  57                 $this->user      = $request->getVal( 'user' );
  58                 $this->debug     = $request->getFuzzyBool( 'debug', $wgResourceLoaderDebug );
  59                 $this->only      = $request->getVal( 'only' );
  60                 $this->version   = $request->getVal( 'version' );
  61
  62                 if ( !$this->skin ) {
  63                         $this->skin = $wgDefaultSkin;
  64                 }
  65         }
  66
  67         public function getResourceLoader() {
  68                 return $this->resourceLoader;
  69         }
  70
  71         public function getRequest() {
  72                 return $this->request;
  73         }
  74
  75         public function getModules() {
  76                 return $this->modules;
  77         }
  78
  79         public function getLanguage() {
  80                 if ( $this->language === null ) {
  81                         global $wgLang;
  82                         $this->language  = $this->request->getVal( 'lang' );
  83                         if ( !$this->language ) {
  84                                 $this->language = $wgLang->getCode();
  85                         }
  86                 }
  87                 return $this->language;
  88         }
  89
  90         public function getDirection() {
  91                 if ( $this->direction === null ) {
  92                         $this->direction = $this->request->getVal( 'dir' );
  93                         if ( !$this->direction ) {
  94                                 global $wgContLang;
  95                                 $this->direction = $wgContLang->getDir();
  96                         }
  97                 }
  98                 return $this->direction;
  99         }
 100
 101         public function getSkin() {
 102                 return $this->skin;
 103         }
 104
 105         public function getUser() {
 106                 return $this->user;
 107         }
 108
 109         public function getDebug() {
 110                 return $this->debug;
 111         }
 112
 113         public function getOnly() {
 114                 return $this->only;
 115         }
 116
 117         public function getVersion() {
 118                 return $this->version;
 119         }
 120
 121         public function shouldIncludeScripts() {
 122                 return is_null( $this->only ) || $this->only === 'scripts';
 123         }
 124
 125         public function shouldIncludeStyles() {
 126                 return is_null( $this->only ) || $this->only === 'styles';
 127         }
 128
 129         public function shouldIncludeMessages() {
 130                 return is_null( $this->only ) || $this->only === 'messages';
 131         }
 132
 133         public function getHash() {
 134                 if ( !isset( $this->hash ) ) {
 135                         $this->hash = implode( '|', array(
 136                                 $this->getLanguage(), $this->getDirection(), $this->skin, $this->user,
 137                                 $this->debug, $this->only, $this->version
 138                         ) );
 139                 }
 140                 return $this->hash;
 141         }
 142 }