includes/resourceloader/ResourceLoaderUserCSSPrefsModule.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  * Module for user preference customizations
  25  */
  26 class ResourceLoaderUserCSSPrefsModule extends ResourceLoaderModule {
  27
  28         /* Protected Members */
  29
  30         protected $modifiedTime = array();
  31
  32         protected $origin = self::ORIGIN_CORE_INDIVIDUAL;
  33
  34         /* Methods */
  35
  36         /**
  37          * @param $context ResourceLoaderContext
  38          * @return array|int|Mixed
  39          */
  40         public function getModifiedTime( ResourceLoaderContext $context ) {
  41                 $hash = $context->getHash();
  42                 if ( isset( $this->modifiedTime[$hash] ) ) {
  43                         return $this->modifiedTime[$hash];
  44                 }
  45
  46                 global $wgUser;
  47
  48                 if ( $context->getUser() === $wgUser->getName() ) {
  49                         return $this->modifiedTime[$hash] = wfTimestamp( TS_UNIX, $wgUser->getTouched() );
  50                 } else {
  51                         return 1;
  52                 }
  53         }
  54
  55         /**
  56          * Fetch the context's user options, or if it doesn't match current user,
  57          * the default options.
  58          *
  59          * @param $context ResourceLoaderContext: Context object
  60          * @return Array: List of user options keyed by option name
  61          */
  62         protected function contextUserOptions( ResourceLoaderContext $context ) {
  63                 global $wgUser;
  64
  65                 // Verify identity -- this is a private module
  66                 if ( $context->getUser() === $wgUser->getName() ) {
  67                         return $wgUser->getOptions();
  68                 } else {
  69                         return User::getDefaultOptions();
  70                 }
  71         }
  72
  73         /**
  74          * @param $context ResourceLoaderContext
  75          * @return array
  76          */
  77         public function getStyles( ResourceLoaderContext $context ) {
  78                 global $wgAllowUserCssPrefs;
  79
  80                 if ( $wgAllowUserCssPrefs ) {
  81                         $options = $this->contextUserOptions( $context );
  82
  83                         // Build CSS rules
  84                         $rules = array();
  85
  86                         // Underline: 2 = browser default, 1 = always, 0 = never
  87                         if ( $options['underline'] < 2 ) {
  88                                 $rules[] = "a { text-decoration: " .
  89                                         ( $options['underline'] ? 'underline' : 'none' ) . "; }";
  90                         } else {
  91                                 # The scripts of these languages are very hard to read with underlines
  92                                 $rules[] = 'a:lang(ar), a:lang(ckb), a:lang(fa),a:lang(kk-arab), ' .
  93                                 'a:lang(mzn), a:lang(ps), a:lang(ur) { text-decoration: none; }';
  94                         }
  95                         if ( $options['justify'] ) {
  96                                 $rules[] = "#article, #bodyContent, #mw_content { text-align: justify; }\n";
  97                         }
  98                         if ( !$options['showtoc'] ) {
  99                                 $rules[] = "#toc { display: none; }\n";
 100                         }
 101                         if ( !$options['editsection'] ) {
 102                                 $rules[] = ".editsection { display: none; }\n";
 103                         }
 104                         if ( $options['editfont'] !== 'default' ) {
 105                                 $rules[] = "textarea { font-family: {$options['editfont']}; }\n";
 106                         }
 107                         $style = implode( "\n", $rules );
 108                         if ( $this->getFlip( $context ) ) {
 109                                 $style = CSSJanus::transform( $style, true, false );
 110                         }
 111                         return array( 'all' => $style );
 112                 }
 113                 return array();
 114         }
 115
 116         /**
 117          * @return string
 118          */
 119         public function getGroup() {
 120                 return 'private';
 121         }
 122
 123         /**
 124          * @return array
 125          */
 126         public function getDependencies() {
 127                 return array( 'mediawiki.user' );
 128         }
 129 }