minor refactoring
[lhc/web/wiklou.git] / includes / SkinTemplate.php
index 794e1f3..bbbcff0 100644 (file)
@@ -22,7 +22,7 @@ if ( ! defined( 'MEDIAWIKI' ) )
  * to be passed to the template engine.
  *
  * @private
- * @addtogroup Skins
+ * @ingroup Skins
  */
 class MediaWiki_I18N {
        var $_context = array();
@@ -32,8 +32,7 @@ class MediaWiki_I18N {
        }
 
        function translate($value) {
-               $fname = 'SkinTemplate-translate';
-               wfProfileIn( $fname );
+               wfProfileIn( __METHOD__ );
 
                // Hack for i18n:attributes in PHPTAL 1.0.0 dev version as of 2004-10-23
                $value = preg_replace( '/^string:/', '', $value );
@@ -48,7 +47,7 @@ class MediaWiki_I18N {
                        wfRestoreWarnings();
                        $value = str_replace($src, $varValue, $value);
                }
-               wfProfileOut( $fname );
+               wfProfileOut( __METHOD__ );
                return $value;
        }
 }
@@ -63,7 +62,7 @@ class MediaWiki_I18N {
  * to the computations individual esi snippets need. Most importantly no body
  * parsing for most of those of course.
  *
- * @addtogroup Skins
+ * @ingroup Skins
  */
 class SkinTemplate extends Skin {
        /**#@+
@@ -88,6 +87,13 @@ class SkinTemplate extends Skin {
         */
        var $template;
 
+       /**
+        * An array of stylesheet filenames (relative from skins path), with options
+        * for CSS media, IE conditions, and RTL/LTR direction.
+        * For internal use; add settings in the skin via $this->addStyle()
+        */
+       var $styles = array();
+
        /**#@-*/
 
        /**
@@ -102,6 +108,9 @@ class SkinTemplate extends Skin {
                $this->skinname  = 'monobook';
                $this->stylename = 'monobook';
                $this->template  = 'QuickTemplate';
+
+               $this->addStyle( 'common/shared.css', 'screen' );
+               $this->addStyle( 'common/commonPrint.css', 'print' );
        }
 
        /**
@@ -133,16 +142,15 @@ class SkinTemplate extends Skin {
                global $wgDisableCounters, $wgLogo, $action, $wgFeedClasses, $wgHideInterlanguageLinks;
                global $wgMaxCredits, $wgShowCreditsIfMax;
                global $wgPageShowWatchingUsers;
-               global $wgUseTrackbacks;
+               global $wgUseTrackbacks, $wgUseSiteJs;
                global $wgArticlePath, $wgScriptPath, $wgServer, $wgLang, $wgCanonicalNamespaceNames;
 
-               $fname = 'SkinTemplate::outputPage';
-               wfProfileIn( $fname );
+               wfProfileIn( __METHOD__ );
 
                $oldid = $wgRequest->getVal( 'oldid' );
                $diff = $wgRequest->getVal( 'diff' );
 
-               wfProfileIn( "$fname-init" );
+               wfProfileIn( __METHOD__."-init" );
                $this->initPage( $out );
 
                $this->mTitle =& $wgTitle;
@@ -153,9 +161,9 @@ class SkinTemplate extends Skin {
                #if ( $wgUseDatabaseMessages ) { // uncomment this to fall back to GetText
                $tpl->setTranslator(new MediaWiki_I18N());
                #}
-               wfProfileOut( "$fname-init" );
+               wfProfileOut( __METHOD__."-init" );
 
-               wfProfileIn( "$fname-stuff" );
+               wfProfileIn( __METHOD__."-stuff" );
                $this->thispage = $this->mTitle->getPrefixedDbKey();
                $this->thisurl = $this->mTitle->getPrefixedURL();
                $this->loggedin = $wgUser->isLoggedIn();
@@ -174,16 +182,17 @@ class SkinTemplate extends Skin {
                }
 
                $this->usercss =  $this->userjs = $this->userjsprev = false;
-               $this->setupUserCss();
+               $this->setupUserCss( $out->getExtStyle() );
                $this->setupUserJs( $out->isUserJsAllowed() );
                $this->titletxt = $this->mTitle->getPrefixedText();
-               wfProfileOut( "$fname-stuff" );
+               wfProfileOut( __METHOD__."-stuff" );
 
-               wfProfileIn( "$fname-stuff2" );
+               wfProfileIn( __METHOD__."-stuff2" );
                $tpl->set( 'title', $wgOut->getPageTitle() );
                $tpl->set( 'pagetitle', $wgOut->getHTMLTitle() );
                $tpl->set( 'displaytitle', $wgOut->mPageLinkTitle );
-               $tpl->set( 'pageclass', Sanitizer::escapeClass( 'page-'.$this->mTitle->getPrefixedText() ) );
+               $tpl->set( 'pageclass', $this->getPageClasses( $this->mTitle ) );
+               $tpl->set( 'skinnameclass', ( "skin-" . Sanitizer::escapeClass( $this->getSkinName ( ) ) ) );
 
                $nsname = isset( $wgCanonicalNamespaceNames[ $this->mTitle->getNamespace() ] ) ?
                          $wgCanonicalNamespaceNames[ $this->mTitle->getNamespace() ] :
@@ -242,8 +251,9 @@ class SkinTemplate extends Skin {
                $tpl->set( 'skinclass', get_class( $this ) );
                $tpl->setRef( 'stylename', $this->stylename );
                $tpl->set( 'printable', $wgRequest->getBool( 'printable' ) );
+               $tpl->set( 'handheld', $wgRequest->getBool( 'handheld' ) );
+               $tpl->set( 'csslinks', $this->buildCssLinks() );
                $tpl->setRef( 'loggedin', $this->loggedin );
-               $tpl->set('nsclass', 'ns-'.$this->mTitle->getNamespace());
                $tpl->set('notspecialpage', $this->mTitle->getNamespace() != NS_SPECIAL);
                /* XXX currently unused, might get useful later
                $tpl->set( "editable", ($this->mTitle->getNamespace() != NS_SPECIAL ) );
@@ -269,12 +279,10 @@ class SkinTemplate extends Skin {
                $tpl->setRef( 'userpageurl', $this->userpageUrlDetails['href']);
                $tpl->set( 'userlang', $wgLang->getCode() );
                $tpl->set( 'pagecss', $this->setupPageCss() );
-               $tpl->set( 'printcss', $this->getPrintCss() );
                $tpl->setRef( 'usercss', $this->usercss);
                $tpl->setRef( 'userjs', $this->userjs);
                $tpl->setRef( 'userjsprev', $this->userjsprev);
-               global $wgUseSiteJs;
-               if ($wgUseSiteJs) {
+               if( $wgUseSiteJs ) {
                        $jsCache = $this->loggedin ? '&smaxage=0' : '';
                        $tpl->set( 'jsvarurl',
                                self::makeUrl('-',
@@ -317,11 +325,11 @@ class SkinTemplate extends Skin {
                } else {
                        $ntl = '';
                }
-               wfProfileOut( "$fname-stuff2" );
+               wfProfileOut( __METHOD__."-stuff2" );
 
-               wfProfileIn( "$fname-stuff3" );
+               wfProfileIn( __METHOD__."-stuff3" );
                $tpl->setRef( 'newtalk', $ntl );
-               $tpl->setRef( 'skin', $this);
+               $tpl->setRef( 'skin', $this );
                $tpl->set( 'logo', $this->logoText() );
                if ( $wgOut->isArticle() and (!isset( $oldid ) or isset( $diff )) and
                        $wgArticle and 0 != $wgArticle->getID() )
@@ -362,11 +370,10 @@ class SkinTemplate extends Skin {
 
                        $this->credits = false;
 
-                       if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
-                               require_once("Credits.php");
-                               $this->credits = getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
+                       if( $wgMaxCredits != 0 ){
+                               $this->credits = Credits::getCredits( $wgArticle, $wgMaxCredits, $wgShowCreditsIfMax );
                        } else {
-                               $tpl->set('lastmod', $this->lastModified());
+                               $tpl->set( 'lastmod', $this->lastModified() );
                        }
 
                        $tpl->setRef( 'credits', $this->credits );
@@ -384,9 +391,9 @@ class SkinTemplate extends Skin {
                        $tpl->set('credits', false);
                        $tpl->set('numberofwatchingusers', false);
                }
-               wfProfileOut( "$fname-stuff3" );
+               wfProfileOut( __METHOD__."-stuff3" );
 
-               wfProfileIn( "$fname-stuff4" );
+               wfProfileIn( __METHOD__."-stuff4" );
                $tpl->set( 'copyrightico', $this->getCopyrightIcon() );
                $tpl->set( 'poweredbyico', $this->getPoweredBy() );
                $tpl->set( 'disclaimer', $this->disclaimerLink() );
@@ -423,7 +430,7 @@ class SkinTemplate extends Skin {
                } else {
                        $tpl->set('language_urls', false);
                }
-               wfProfileOut( "$fname-stuff4" );
+               wfProfileOut( __METHOD__."-stuff4" );
 
                # Personal toolbar
                $tpl->set('personal_urls', $this->buildPersonalUrls());
@@ -438,11 +445,7 @@ class SkinTemplate extends Skin {
                } else {
                        $tpl->set('body_ondblclick', false);
                }
-               if( $this->iseditable && $wgUser->getOption( 'editsectiononrightclick' ) ) {
-                       $tpl->set( 'body_onload', 'setupRightClickEdit()' );
-               } else {
-                       $tpl->set( 'body_onload', false );
-               }
+               $tpl->set( 'body_onload', false );
                $tpl->set( 'sidebar', $this->buildSidebar() );
                $tpl->set( 'nav_urls', $this->buildNavUrls() );
 
@@ -451,14 +454,18 @@ class SkinTemplate extends Skin {
                        wfDebug( __METHOD__ . ': Hook SkinTemplateOutputPageBeforeExec broke outputPage execution!' );
                }
 
+               // allow extensions adding stuff after the page content.
+               // See Skin::afterContentHook() for further documentation.
+               $tpl->set ('dataAfterContent', $this->afterContentHook());
+
                // execute template
-               wfProfileIn( "$fname-execute" );
+               wfProfileIn( __METHOD__."-execute" );
                $res = $tpl->execute();
-               wfProfileOut( "$fname-execute" );
+               wfProfileOut( __METHOD__."-execute" );
 
                // result may be an error
                $this->printOrError( $res );
-               wfProfileOut( $fname );
+               wfProfileOut( __METHOD__ );
        }
 
        /**
@@ -481,9 +488,8 @@ class SkinTemplate extends Skin {
        function buildPersonalUrls() {
                global $wgTitle, $wgRequest;
 
-               $fname = 'SkinTemplate::buildPersonalUrls';
                $pageurl = $wgTitle->getLocalURL();
-               wfProfileIn( $fname );
+               wfProfileIn( __METHOD__ );
 
                /* set up the default links for the personal toolbar */
                $personal_urls = array();
@@ -580,7 +586,7 @@ class SkinTemplate extends Skin {
                }
 
                wfRunHooks( 'PersonalUrls', array( &$personal_urls, &$wgTitle ) );
-               wfProfileOut( $fname );
+               wfProfileOut( __METHOD__ );
                return $personal_urls;
        }
 
@@ -643,8 +649,7 @@ class SkinTemplate extends Skin {
         */
        function buildContentActionUrls () {
                global $wgContLang, $wgLang, $wgOut;
-               $fname = 'SkinTemplate::buildContentActionUrls';
-               wfProfileIn( $fname );
+               wfProfileIn( __METHOD__ );
 
                global $wgUser, $wgRequest;
                $action = $wgRequest->getText( 'action' );
@@ -672,7 +677,7 @@ class SkinTemplate extends Skin {
                                '',
                                true);
 
-                       wfProfileIn( "$fname-edit" );
+                       wfProfileIn( __METHOD__."-edit" );
                        if ( $this->mTitle->quickUserCan( 'edit' ) && ( $this->mTitle->exists() || $this->mTitle->quickUserCan( 'create' ) ) ) {
                                $istalk = $this->mTitle->isTalkPage();
                                $istalkclass = $istalk?' istalk':'';
@@ -698,10 +703,10 @@ class SkinTemplate extends Skin {
                                        'href' => $this->mTitle->getLocalUrl( $this->editUrlOptions() )
                                );
                        }
-                       wfProfileOut( "$fname-edit" );
+                       wfProfileOut( __METHOD__."-edit" );
 
-                       wfProfileIn( "$fname-live" );
-                       if ( $this->mTitle->getArticleId() ) {
+                       wfProfileIn( __METHOD__."-live" );
+                       if ( $this->mTitle->exists() ) {
 
                                $content_actions['history'] = array(
                                        'class' => ($action == 'history') ? 'selected' : false,
@@ -726,7 +731,7 @@ class SkinTemplate extends Skin {
                                }
 
                                if ( $this->mTitle->getNamespace() !== NS_MEDIAWIKI && $wgUser->isAllowed( 'protect' ) ) {
-                                       if(!$this->mTitle->isProtected()){
+                                       if( !$this->mTitle->isProtected() ){
                                                $content_actions['protect'] = array(
                                                        'class' => ($action == 'protect') ? 'selected' : false,
                                                        'text' => wfMsg('protect'),
@@ -773,7 +778,7 @@ class SkinTemplate extends Skin {
                                }
                        }
 
-                       wfProfileOut( "$fname-live" );
+                       wfProfileOut( __METHOD__."-live" );
 
                        if( $this->loggedin ) {
                                if( !$this->mTitle->userIsWatching()) {
@@ -827,7 +832,7 @@ class SkinTemplate extends Skin {
 
                wfRunHooks( 'SkinTemplateContentActions', array( &$content_actions ) );
 
-               wfProfileOut( $fname );
+               wfProfileOut( __METHOD__ );
                return $content_actions;
        }
 
@@ -842,8 +847,7 @@ class SkinTemplate extends Skin {
                global $wgUseTrackbacks, $wgTitle, $wgUser, $wgRequest;
                global $wgEnableUploads, $wgUploadNavigationUrl;
 
-               $fname = 'SkinTemplate::buildNavUrls';
-               wfProfileIn( $fname );
+               wfProfileIn( __METHOD__ );
 
                $action = $wgRequest->getText( 'action' );
 
@@ -945,7 +949,7 @@ class SkinTemplate extends Skin {
                                'href' => self::makeSpecialUrlSubpage( 'Emailuser', $this->mTitle->getText() )
                        );
                }
-               wfProfileOut( $fname );
+               wfProfileOut( __METHOD__ );
                return $nav_urls;
        }
 
@@ -961,69 +965,72 @@ class SkinTemplate extends Skin {
        /**
         * @private
         */
-       function setupUserCss() {
-               $fname = 'SkinTemplate::setupUserCss';
-               wfProfileIn( $fname );
-
+       function setupUserCss( $extCSS = array() ) {
                global $wgRequest, $wgAllowUserCss, $wgUseSiteCss, $wgContLang, $wgSquidMaxage, $wgStylePath, $wgUser;
 
-               $sitecss = '';
-               $usercss = '';
-               $siteargs = '&maxage=' . $wgSquidMaxage;
+               wfProfileIn( __METHOD__ );
+
+               $siteargs = array(
+                       'action' => 'raw',
+                       'maxage' => $wgSquidMaxage,
+               );
                if( $this->loggedin ) {
                        // Ensure that logged-in users' generated CSS isn't clobbered
                        // by anons' publicly cacheable generated CSS.
-                       $siteargs .= '&smaxage=0';
+                       $siteargs['smaxage'] = '0';
+                       $siteargs['ts'] = $wgUser->mTouched;
+               }
+               
+               // Add any extension CSS
+               foreach( $extCSS as $tag ) {
+                       $this->addStyle( $tag['href'] );
+               }
+
+               // If we use the site's dynamic CSS, throw that in, too
+               // Per-site custom styles
+               if ( $wgUseSiteCss ) {
+                       $query = wfArrayToCGI( array(
+                               'usemsgcache' => 'yes',
+                               'ctype' => 'text/css',
+                               'smaxage' => $wgSquidMaxage
+                       ) + $siteargs );
+                       $this->addStyle( self::makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI ) );
+                       $this->addStyle( self::makeNSUrl( ucfirst( $this->skinname ) . '.css', $query, NS_MEDIAWIKI ),
+                               'screen' );
                }
 
-               # Add user-specific code if this is a user and we allow that kind of thing
+               // Per-user styles based on preferences
+               $siteargs['gen'] = 'css';
+               if( ( $us = $wgRequest->getVal( 'useskin', '' ) ) !== '' )
+                       $siteargs['useskin'] = $us;
+               $this->addStyle( self::makeUrl( '-', wfArrayToCGI( $siteargs ) ), 'screen' );
 
+               // Per-user custom style pages
                if ( $wgAllowUserCss && $this->loggedin ) {
-                       $action = $wgRequest->getText('action');
+                       $action = $wgRequest->getVal('action');
 
                        # if we're previewing the CSS page, use it
-                       if( $this->mTitle->isCssSubpage() and $this->userCanPreview( $action ) ) {
-                               $siteargs = "&smaxage=0&maxage=0";
-                               $usercss = $wgRequest->getText('wpTextbox1');
+                       if( $this->mTitle->isCssSubpage() && $this->userCanPreview( $action ) ) {
+                               $previewCss = $wgRequest->getText('wpTextbox1');
+
+                               /// @fixme properly escape the cdata!
+                               $this->usercss = "/*<![CDATA[*/\n" .
+                                       $previewCss .
+                                       "/*]]>*/";
                        } else {
-                               $usercss = '@import "' .
-                                 self::makeUrl($this->userpage . '/'.$this->skinname.'.css',
-                                                                'action=raw&ctype=text/css') . '";' ."\n";
+                               $this->addStyle( self::makeUrl($this->userpage . '/'.$this->skinname.'.css',
+                                                                'action=raw&ctype=text/css'), 'screen' );
                        }
-
-                       $siteargs .= '&ts=' . $wgUser->mTouched;
-               }
-
-               if( $wgContLang->isRTL() ) {
-                       global $wgStyleVersion;
-                       $sitecss .= "@import \"$wgStylePath/$this->stylename/rtl.css?$wgStyleVersion\";\n";
                }
 
-               # If we use the site's dynamic CSS, throw that in, too
-               if ( $wgUseSiteCss ) {
-                       $query = "usemsgcache=yes&action=raw&ctype=text/css&smaxage=$wgSquidMaxage";
-                       $skinquery = '';
-                       if (($us = $wgRequest->getVal('useskin', '')) !== '')
-                               $skinquery = "&useskin=$us";
-                       $sitecss .= '@import "' . self::makeNSUrl( 'Common.css', $query, NS_MEDIAWIKI) . '";' . "\n";
-                       $sitecss .= '@import "' . self::makeNSUrl( ucfirst( $this->skinname ) . '.css', $query, NS_MEDIAWIKI ) . '";' . "\n";
-                       $sitecss .= '@import "' . self::makeUrl( '-', "action=raw&gen=css$siteargs$skinquery" ) . '";' . "\n";
-               }
-
-               # If we use any dynamic CSS, make a little CDATA block out of it.
-
-               if ( !empty($sitecss) || !empty($usercss) ) {
-                       $this->usercss = "/*<![CDATA[*/\n" . $sitecss . $usercss . '/*]]>*/';
-               }
-               wfProfileOut( $fname );
+               wfProfileOut( __METHOD__ );
        }
 
        /**
         * @private
         */
        function setupUserJs( $allowUserJs ) {
-               $fname = 'SkinTemplate::setupUserJs';
-               wfProfileIn( $fname );
+               wfProfileIn( __METHOD__ );
 
                global $wgRequest, $wgJsMimeType;
                $action = $wgRequest->getText('action');
@@ -1033,10 +1040,10 @@ class SkinTemplate extends Skin {
                                # XXX: additional security check/prompt?
                                $this->userjsprev = '/*<![CDATA[*/ ' . $wgRequest->getText('wpTextbox1') . ' /*]]>*/';
                        } else {
-                               $this->userjs = self::makeUrl($this->userpage.'/'.$this->skinname.'.js', 'action=raw&ctype='.$wgJsMimeType.'&dontcountme=s');
+                               $this->userjs = self::makeUrl($this->userpage.'/'.$this->skinname.'.js', 'action=raw&ctype='.$wgJsMimeType);
                        }
                }
-               wfProfileOut( $fname );
+               wfProfileOut( __METHOD__ );
        }
 
        /**
@@ -1046,12 +1053,11 @@ class SkinTemplate extends Skin {
         * @private
         */
        function setupPageCss() {
-               $fname = 'SkinTemplate::setupPageCss';
-               wfProfileIn( $fname );
+               wfProfileIn( __METHOD__ );
                $out = false;
                wfRunHooks( 'SkinTemplateSetupPageCss', array( &$out ) );
 
-               wfProfileOut( $fname );
+               wfProfileOut( __METHOD__ );
                return $out;
        }
 
@@ -1059,26 +1065,14 @@ class SkinTemplate extends Skin {
         * returns css with user-specific options
         */
        public function getUserStylesheet() {
-               $fname = 'SkinTemplate::getUserStylesheet';
-               wfProfileIn( $fname );
+               wfProfileIn( __METHOD__ );
 
                $s = "/* generated user stylesheet */\n";
                $s .= $this->reallyDoGetUserStyles();
-               wfProfileOut( $fname );
+               wfProfileOut( __METHOD__ );
                return $s;
        }
 
-       /**
-        * Returns the print stylesheet for this skin.  In all default skins this
-        * is just commonPrint.css, but third-party skins may want to modify it.
-        *
-        * @return string
-        */
-       public function getPrintCss() {
-               global $wgStylePath;
-               return $wgStylePath . "/common/commonPrint.css";
-       }
-
        /**
         * This returns MediaWiki:Common.js and MediaWiki:[Skinname].js concate-
         * nated together.  For some bizarre reason, it does *not* return any
@@ -1092,11 +1086,10 @@ class SkinTemplate extends Skin {
         * @return string
         */
        public function getUserJs() {
-               $fname = 'SkinTemplate::getUserJs';
-               wfProfileIn( $fname );
+               wfProfileIn( __METHOD__ );
 
                $s = parent::getUserJs();
-               $s .= "\n\n/* MediaWiki:".ucfirst($this->skinname).".js (deprecated; migrate to Common.js!) */\n";
+               $s .= "\n\n/* MediaWiki:".ucfirst($this->skinname).".js */\n";
 
                // avoid inclusion of non defined user JavaScript (with custom skins only)
                // by checking for default message content
@@ -1106,15 +1099,128 @@ class SkinTemplate extends Skin {
                        $s .= $userJS;
                }
 
-               wfProfileOut( $fname );
+               wfProfileOut( __METHOD__ );
                return $s;
        }
+
+       /**
+        * Add a local or specified stylesheet, with the given media options.
+        * Meant primarily for internal use...
+        *
+        * @param $media -- to specify a media type, 'screen', 'printable', 'handheld' or any.
+        * @param $conditional -- for IE conditional comments, specifying an IE version
+        * @param $dir -- set to 'rtl' or 'ltr' for direction-specific sheets
+        */
+       public function addStyle( $style, $media='', $condition='', $dir='' ) {
+               $options = array();
+               if( $media )
+                       $options['media'] = $media;
+               if( $condition )
+                       $options['condition'] = $condition;
+               if( $dir )
+                       $options['dir'] = $dir;
+               $this->styles[$style] = $options;
+       }
+
+       /**
+        * Build a set of <link>s for the stylesheets specified in the $this->styles array.
+        * These will be applied to various media & IE conditionals.
+        */
+       protected function buildCssLinks() {
+               $links = array();
+               foreach( $this->styles as $file => $options ) {
+                       $link = $this->styleLink( $file, $options );
+                       if( $link )
+                               $links[] = $link;
+               }
+
+               return implode( "\n\t\t", $links );
+       }
+
+       protected function styleLink( $style, $options ) {
+               global $wgRequest;
+
+               if( isset( $options['dir'] ) ) {
+                       global $wgContLang;
+                       $siteDir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
+                       if( $siteDir != $options['dir'] )
+                               return '';
+               }
+
+               if( isset( $options['media'] ) ) {
+                       $media = $this->transformCssMedia( $options['media'] );
+                       if( is_null( $media ) ) {
+                               return '';
+                       }
+               } else {
+                       $media = '';
+               }
+
+               if( substr( $style, 0, 1 ) == '/' ||
+                       substr( $style, 0, 5 ) == 'http:' ||
+                       substr( $style, 0, 6 ) == 'https:' ) {
+                       $url = $style;
+               } else {
+                       global $wgStylePath, $wgStyleVersion;
+                       $url = $wgStylePath . '/' . $style . '?' . $wgStyleVersion;
+               }
+
+               $attribs = array(
+                       'rel' => 'stylesheet',
+                       'href' => $url,
+                       'type' => 'text/css' );
+               if( $media ) {
+                       $attribs['media'] = $media;
+               }
+
+               $link = Xml::element( 'link', $attribs );
+
+               if( isset( $options['condition'] ) ) {
+                       $condition = htmlspecialchars( $options['condition'] );
+                       $link = "<!--[if $condition]>$link<![endif]-->";
+               }
+               return $link;
+       }
+
+       function transformCssMedia( $media ) {
+               global $wgRequest, $wgHandheldForIPhone;
+
+               // Switch in on-screen display for media testing
+               $switches = array(
+                       'printable' => 'print',
+                       'handheld' => 'handheld',
+               );
+               foreach( $switches as $switch => $targetMedia ) {
+                       if( $wgRequest->getBool( $switch ) ) {
+                               if( $media == $targetMedia ) {
+                                       $media = '';
+                               } elseif( $media == 'screen' ) {
+                                       return null;
+                               }
+                       }
+               }
+
+               // Expand longer media queries as iPhone doesn't grok 'handheld'
+               if( $wgHandheldForIPhone ) {
+                       $mediaAliases = array(
+                               'screen' => 'screen and (min-device-width: 481px)',
+                               'handheld' => 'handheld, only screen and (max-device-width: 480px)',
+                       );
+
+                       if( isset( $mediaAliases[$media] ) ) {
+                               $media = $mediaAliases[$media];
+                       }
+               }
+
+               return $media;
+       }
+
 }
 
 /**
  * Generic wrapper for template functions, with interface
  * compatible with what we use of PHPTAL 0.7.
- * @addtogroup Skins
+ * @ingroup Skins
  */
 class QuickTemplate {
        /**