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