includes/resourceloader/DerivativeResourceLoaderContext.php

   1 <?php
   2 /**
   3  * Derivative context for ResourceLoader modules.
   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 Kunal Mehta
  22  */
  23
  24 /**
  25  * Allows changing specific properties of a context object,
  26  * without changing the main one. Inspired by DerivativeContext.
  27  *
  28  * @since 1.24
  29  */
  30 class DerivativeResourceLoaderContext extends ResourceLoaderContext {
  31         const INHERIT_VALUE = -1;
  32
  33         /**
  34          * @var ResourceLoaderContext
  35          */
  36         private $context;
  37
  38         protected $modules = self::INHERIT_VALUE;
  39         protected $language = self::INHERIT_VALUE;
  40         protected $direction = self::INHERIT_VALUE;
  41         protected $skin = self::INHERIT_VALUE;
  42         protected $user = self::INHERIT_VALUE;
  43         protected $debug = self::INHERIT_VALUE;
  44         protected $only = self::INHERIT_VALUE;
  45         protected $version = self::INHERIT_VALUE;
  46         protected $raw = self::INHERIT_VALUE;
  47
  48         public function __construct( ResourceLoaderContext $context ) {
  49                 $this->context = $context;
  50         }
  51
  52         public function getModules() {
  53                 if ( $this->modules === self::INHERIT_VALUE ) {
  54                         return $this->context->getModules();
  55                 }
  56                 return $this->modules;
  57         }
  58
  59         /**
  60          * @param string[] $modules
  61          */
  62         public function setModules( array $modules ) {
  63                 $this->modules = $modules;
  64         }
  65
  66         public function getLanguage() {
  67                 if ( $this->language === self::INHERIT_VALUE ) {
  68                         return $this->context->getLanguage();
  69                 }
  70                 return $this->language;
  71         }
  72
  73         /**
  74          * @param string $language
  75          */
  76         public function setLanguage( $language ) {
  77                 $this->language = $language;
  78                 // Invalidate direction since it is based on language
  79                 $this->direction = null;
  80                 $this->hash = null;
  81         }
  82
  83         public function getDirection() {
  84                 if ( $this->direction === self::INHERIT_VALUE ) {
  85                         return $this->context->getDirection();
  86                 }
  87                 if ( $this->direction === null ) {
  88                         $this->direction = Language::factory( $this->getLanguage() )->getDir();
  89                 }
  90                 return $this->direction;
  91         }
  92
  93         /**
  94          * @param string $direction
  95          */
  96         public function setDirection( $direction ) {
  97                 $this->direction = $direction;
  98                 $this->hash = null;
  99         }
 100
 101         public function getSkin() {
 102                 if ( $this->skin === self::INHERIT_VALUE ) {
 103                         return $this->context->getSkin();
 104                 }
 105                 return $this->skin;
 106         }
 107
 108         /**
 109          * @param string $skin
 110          */
 111         public function setSkin( $skin ) {
 112                 $this->skin = $skin;
 113                 $this->hash = null;
 114         }
 115
 116         public function getUser() {
 117                 if ( $this->user === self::INHERIT_VALUE ) {
 118                         return $this->context->getUser();
 119                 }
 120                 return $this->user;
 121         }
 122
 123         /**
 124          * @param string|null $user
 125          */
 126         public function setUser( $user ) {
 127                 $this->user = $user;
 128                 $this->hash = null;
 129                 $this->userObj = null;
 130         }
 131
 132         public function getDebug() {
 133                 if ( $this->debug === self::INHERIT_VALUE ) {
 134                         return $this->context->getDebug();
 135                 }
 136                 return $this->debug;
 137         }
 138
 139         /**
 140          * @param bool $debug
 141          */
 142         public function setDebug( $debug ) {
 143                 $this->debug = $debug;
 144                 $this->hash = null;
 145         }
 146
 147         public function getOnly() {
 148                 if ( $this->only === self::INHERIT_VALUE ) {
 149                         return $this->context->getOnly();
 150                 }
 151                 return $this->only;
 152         }
 153
 154         /**
 155          * @param string|null $only
 156          */
 157         public function setOnly( $only ) {
 158                 $this->only = $only;
 159                 $this->hash = null;
 160         }
 161
 162         public function getVersion() {
 163                 if ( $this->version === self::INHERIT_VALUE ) {
 164                         return $this->context->getVersion();
 165                 }
 166                 return $this->version;
 167         }
 168
 169         /**
 170          * @param string|null $version
 171          */
 172         public function setVersion( $version ) {
 173                 $this->version = $version;
 174                 $this->hash = null;
 175         }
 176
 177         public function getRaw() {
 178                 if ( $this->raw === self::INHERIT_VALUE ) {
 179                         return $this->context->getRaw();
 180                 }
 181                 return $this->raw;
 182         }
 183
 184         /**
 185          * @param bool $raw
 186          */
 187         public function setRaw( $raw ) {
 188                 $this->raw = $raw;
 189         }
 190
 191         public function getRequest() {
 192                 return $this->context->getRequest();
 193         }
 194
 195         public function getResourceLoader() {
 196                 return $this->context->getResourceLoader();
 197         }
 198
 199 }