Document a few things
[lhc/web/wiklou.git] / includes / OutputPage.php
index 872cd4f..4510b09 100644 (file)
@@ -1,6 +1,7 @@
 <?php
-if ( ! defined( 'MEDIAWIKI' ) )
+if ( !defined( 'MEDIAWIKI' ) ) {
        die( 1 );
+}
 
 /**
  * @todo document
@@ -8,13 +9,22 @@ if ( ! defined( 'MEDIAWIKI' ) )
 class OutputPage {
        var $mMetatags = array(), $mKeywords = array(), $mLinktags = array();
        var $mExtStyles = array();
-       var $mPagetitle = '', $mBodytext = '', $mDebugtext = '';
+       var $mPagetitle = '', $mBodytext = '';
+
+       /**
+        * Holds the debug lines that will be outputted as comments in page source if
+        * $wgDebugComments is enabled. See also $wgShowDebug.
+        * TODO: make a getter method for this
+        */
+       public $mDebugtext = '';
+
        var $mHTMLtitle = '', $mIsarticle = true, $mPrintable = false;
        var $mSubtitle = '', $mRedirect = '', $mStatusCode;
        var $mLastModified = '', $mETag = false;
        var $mCategoryLinks = array(), $mCategories = array(), $mLanguageLinks = array();
 
        var $mScripts = '', $mLinkColours, $mPageLinkTitle = '', $mHeadItems = array();
+       var $mModules = array(), $mModuleScripts = array(), $mModuleStyles = array(), $mModuleMessages = array();
        var $mInlineMsg = array();
 
        var $mTemplateIds = array();
@@ -54,9 +64,10 @@ class OutputPage {
 
        private $mIndexPolicy = 'index';
        private $mFollowPolicy = 'follow';
-       private $mVaryHeader = array( 'Accept-Encoding' => array('list-contains=gzip'),
-                                                                 'Cookie' => null );
-
+       private $mVaryHeader = array(
+               'Accept-Encoding' => array( 'list-contains=gzip' ),
+               'Cookie' => null
+       );
 
        /**
         * Constructor
@@ -98,7 +109,6 @@ class OutputPage {
                $this->mStatusCode = $statusCode;
        }
 
-
        /**
         * Add a new <meta> tag
         * To add an http-equiv meta tag, precede the name with "http:"
@@ -147,7 +157,6 @@ class OutputPage {
                $haveMeta = true;
        }
 
-
        /**
         * Add raw HTML to the list of scripts (including \<script\> tag, etc.)
         *
@@ -183,15 +192,19 @@ class OutputPage {
         *
         * @param $file String: filename in skins/common or complete on-server path
         *              (/foo/bar.js)
+        * @param $version String: style version of the file. Defaults to $wgStyleVersion
         */
-       public function addScriptFile( $file ) {
+       public function addScriptFile( $file, $version = null ) {
                global $wgStylePath, $wgStyleVersion;
-               if( substr( $file, 0, 1 ) == '/' || substr( $file, 0, 7 ) == 'http://' ) {
+               // See if $file parameter is an absolute URL or begins with a slash
+               if( substr( $file, 0, 1 ) == '/' || preg_match( '#^[a-z]*://#i', $file ) ) {
                        $path = $file;
                } else {
-                       $path =  "{$wgStylePath}/common/{$file}";
+                       $path = "{$wgStylePath}/common/{$file}";
                }
-               $this->addScript( Html::linkedScript( wfAppendQuery( $path, $wgStyleVersion ) ) );
+               if ( is_null( $version ) )
+                       $version = $wgStyleVersion;
+               $this->addScript( Html::linkedScript( wfAppendQuery( $path, $version ) ) );
        }
 
        /**
@@ -212,6 +225,85 @@ class OutputPage {
                return $this->mScripts . $this->getHeadItems();
        }
 
+       /**
+        * Get the list of modules to include on this page
+        *
+        * @return Array of module names
+        */
+       public function getModules() {
+               return $this->mModules;
+       }
+
+       /**
+        * Add one or more modules recognized by the resource loader. Modules added
+        * through this function will be loaded by the resource loader when the
+        * page loads.
+        *
+        * @param $modules Mixed: module name (string) or array of module names
+        */
+       public function addModules( $modules ) {
+               $this->mModules = array_merge( $this->mModules, (array)$modules );
+       }
+
+       /**
+        * Get the list of module JS to include on this page
+        * @return array of module names
+        */
+       public function getModuleScripts() {
+               return $this->mModuleScripts;
+       }
+
+       /**
+        * Add only JS of one or more modules recognized by the resource loader. Module
+        * scripts added through this function will be loaded by the resource loader when
+        * the page loads.
+        *
+        * @param $modules Mixed: module name (string) or array of module names
+        */
+       public function addModuleScripts( $modules ) {
+               $this->mModuleScripts = array_merge( $this->mModuleScripts, (array)$modules );
+       }
+
+       /**
+        * Get the list of module CSS to include on this page
+        *
+        * @return Array of module names
+        */
+       public function getModuleStyles() {
+               return $this->mModuleStyles;
+       }
+
+       /**
+        * Add only CSS of one or more modules recognized by the resource loader. Module
+        * styles added through this function will be loaded by the resource loader when
+        * the page loads.
+        *
+        * @param $modules Mixed: module name (string) or array of module names
+        */
+       public function addModuleStyles( $modules ) {
+               $this->mModuleStyles = array_merge( $this->mModuleStyles, (array)$modules );
+       }
+
+       /**
+        * Get the list of module messages to include on this page
+        *
+        * @return Array of module names
+        */
+       public function getModuleMessages() {
+               return $this->mModuleMessages;
+       }
+
+       /**
+        * Add only messages of one or more modules recognized by the resource loader.
+        * Module messages added through this function will be loaded by the resource
+        * loader when the page loads.
+        *
+        * @param $modules Mixed: module name (string) or array of module names
+        */
+       public function addModuleMessages( $modules ) {
+               $this->mModuleMessages = array_merge( $this->mModuleMessages, (array)$modules );
+       }
+
        /**
         * Get all header items in a string
         *
@@ -274,7 +366,6 @@ class OutputPage {
                return $this->mArticleBodyOnly;
        }
 
-
        /**
         * checkLastModified tells the client to use the client-cached page if
         * possible. If sucessful, the OutputPage is disabled so that
@@ -351,7 +442,7 @@ class OutputPage {
                # Not modified
                # Give a 304 response code and disable body output
                wfDebug( __METHOD__ . ": NOT MODIFIED, $info\n", false );
-               ini_set('zlib.output_compression', 0);
+               ini_set( 'zlib.output_compression', 0 );
                $wgRequest->response()->header( "HTTP/1.1 304 Not Modified" );
                $this->sendCacheControl();
                $this->disable();
@@ -364,6 +455,15 @@ class OutputPage {
                return true;
        }
 
+       /**
+        * Override the last modified timestamp
+        *
+        * @param $timestamp String: new timestamp, in a format readable by
+        *        wfTimestamp()
+        */
+       public function setLastModified( $timestamp ) {
+               $this->mLastModified = wfTimestamp( TS_RFC2822, $timestamp );
+       }
 
        /**
         * Set the robot policy for the page: <http://www.robotstxt.org/meta.html>
@@ -376,10 +476,10 @@ class OutputPage {
        public function setRobotPolicy( $policy ) {
                $policy = Article::formatRobotPolicy( $policy );
 
-               if( isset( $policy['index'] ) ){
+               if( isset( $policy['index'] ) ) {
                        $this->setIndexPolicy( $policy['index'] );
                }
-               if( isset( $policy['follow'] ) ){
+               if( isset( $policy['follow'] ) ) {
                        $this->setFollowPolicy( $policy['follow'] );
                }
        }
@@ -412,7 +512,6 @@ class OutputPage {
                }
        }
 
-
        /**
         * Set the new value of the "action text", this will be added to the
         * "HTML title", separated from it with " - ".
@@ -435,7 +534,8 @@ class OutputPage {
        }
 
        /**
-        * "HTML title" means the contents of <title>. It is stored as plain, unescaped text and will be run through htmlspecialchars in the skin file.
+        * "HTML title" means the contents of <title>.
+        * It is stored as plain, unescaped text and will be run through htmlspecialchars in the skin file.
         */
        public function setHTMLTitle( $name ) {
                $this->mHTMLtitle = $name;
@@ -462,7 +562,7 @@ class OutputPage {
                $nameWithTags = Sanitizer::normalizeCharReferences( Sanitizer::removeHTMLtags( $name ) );
                $this->mPagetitle = $nameWithTags;
 
-               $taction =  $this->getPageTitleActionText();
+               $taction = $this->getPageTitleActionText();
                if( !empty( $taction ) ) {
                        $name .= ' - '.$taction;
                }
@@ -498,7 +598,7 @@ class OutputPage {
                if ( $this->mTitle instanceof Title ) {
                        return $this->mTitle;
                } else {
-                       wfDebug( __METHOD__ . ' called and $mTitle is null. Return $wgTitle for sanity' );
+                       wfDebug( __METHOD__ . " called and \$mTitle is null. Return \$wgTitle for sanity\n" );
                        global $wgTitle;
                        return $wgTitle;
                }
@@ -531,7 +631,6 @@ class OutputPage {
                return $this->mSubtitle;
        }
 
-
        /**
         * Set the page as printable, i.e. it'll be displayed with with all
         * print styles included
@@ -549,7 +648,6 @@ class OutputPage {
                return $this->mPrintable;
        }
 
-
        /**
         * Disable output completely, i.e. calling output() will have no effect
         */
@@ -566,7 +664,6 @@ class OutputPage {
                return $this->mDoNothing;
        }
 
-
        /**
         * Show an "add new section" link?
         *
@@ -585,7 +682,6 @@ class OutputPage {
                return $this->mHideNewSectionLink;
        }
 
-
        /**
         * Add or remove feed links in the page header
         * This is mainly kept for backward compatibility, see OutputPage::addFeedLink()
@@ -632,7 +728,11 @@ class OutputPage {
         * @param $href String: URL
         */
        public function addFeedLink( $format, $href ) {
-               $this->mFeedLinks[$format] = $href;
+               global $wgAdvertisedFeedTypes;
+
+               if ( in_array( $format, $wgAdvertisedFeedTypes ) ) {
+                       $this->mFeedLinks[$format] = $href;
+               }
        }
 
        /**
@@ -706,7 +806,6 @@ class OutputPage {
                return $this->mIsArticleRelated;
        }
 
-
        /**
         * Add new language links
         *
@@ -736,7 +835,6 @@ class OutputPage {
                return $this->mLanguageLinks;
        }
 
-
        /**
         * Add an array of categories, with names in the keys
         *
@@ -759,7 +857,7 @@ class OutputPage {
                $pageTable = $dbr->tableName( 'page' );
                $where = $lb->constructSet( 'page', $dbr );
                $propsTable = $dbr->tableName( 'page_props' );
-               $sql = "SELECT page_id, page_namespace, page_title, page_len, page_is_redirect, pp_value
+               $sql = "SELECT page_id, page_namespace, page_title, page_len, page_is_redirect, page_latest, pp_value
                        FROM $pageTable LEFT JOIN $propsTable ON pp_propname='hiddencat' AND pp_page=page_id WHERE $where";
                $res = $dbr->query( $sql, __METHOD__ );
 
@@ -767,8 +865,10 @@ class OutputPage {
                $lb->addResultToCache( LinkCache::singleton(), $res );
 
                # Set all the values to 'normal'. This can be done with array_fill_keys in PHP 5.2.0+
-               $categories = array_combine( array_keys( $categories ),
-                       array_fill( 0, count( $categories ), 'normal' ) );
+               $categories = array_combine(
+                       array_keys( $categories ),
+                       array_fill( 0, count( $categories ), 'normal' )
+               );
 
                # Mark hidden categories
                foreach ( $res as $row ) {
@@ -784,9 +884,11 @@ class OutputPage {
                                $origcategory = $category;
                                $title = Title::makeTitleSafe( NS_CATEGORY, $category );
                                $wgContLang->findVariantLink( $category, $title, true );
-                               if ( $category != $origcategory )
-                                       if ( array_key_exists( $category, $categories ) )
+                               if ( $category != $origcategory ) {
+                                       if ( array_key_exists( $category, $categories ) ) {
                                                continue;
+                                       }
+                               }
                                $text = $wgContLang->convertHtml( $title->getText() );
                                $this->mCategories[] = $title->getText();
                                $this->mCategoryLinks[$type][] = $sk->link( $title, $text );
@@ -825,7 +927,6 @@ class OutputPage {
                return $this->mCategories;
        }
 
-
        /**
         * Suppress the quickbar from the output, only for skin supporting
         * the quickbar
@@ -843,7 +944,6 @@ class OutputPage {
                return $this->mSuppressQuickbar;
        }
 
-
        /**
         * Remove user JavaScript from scripts to load
         */
@@ -860,7 +960,6 @@ class OutputPage {
                return $this->mAllowUserJs;
        }
 
-
        /**
         * Prepend $text to the body HTML
         *
@@ -895,7 +994,6 @@ class OutputPage {
                return $this->mBodytext;
        }
 
-
        /**
         * Add $text to the debug output
         *
@@ -905,7 +1003,6 @@ class OutputPage {
                $this->mDebugtext .= $text;
        }
 
-
        /**
         * @deprecated use parserOptions() instead
         */
@@ -973,7 +1070,7 @@ class OutputPage {
        }
 
        /**
-        * Add wikitext with a custom Title object and 
+        * Add wikitext with a custom Title object and
         *
         * @param $text String: wikitext
         * @param $title Title object
@@ -991,7 +1088,7 @@ class OutputPage {
         */
        public function addWikiTextTidy( $text, $linestart = true ) {
                $title = $this->getTitle();
-               $this->addWikiTextTitleTidy($text, $title, $linestart);
+               $this->addWikiTextTitleTidy( $text, $title, $linestart );
        }
 
        /**
@@ -1012,8 +1109,10 @@ class OutputPage {
                $popts = $this->parserOptions();
                $oldTidy = $popts->setTidy( $tidy );
 
-               $parserOutput = $wgParser->parse( $text, $title, $popts,
-                       $linestart, true, $this->mRevisionId );
+               $parserOutput = $wgParser->parse(
+                       $text, $title, $popts,
+                       $linestart, true, $this->mRevisionId
+               );
 
                $popts->setTidy( $oldTidy );
 
@@ -1037,13 +1136,15 @@ class OutputPage {
                wfDeprecated( __METHOD__ );
 
                $popts = $this->parserOptions();
-               $popts->setTidy(true);
-               $parserOutput = $wgParser->parse( $text, $article->mTitle,
-                       $popts, true, true, $this->mRevisionId );
-               $popts->setTidy(false);
-               if ( $cache && $article && $parserOutput->getCacheTime() != -1 ) {
+               $popts->setTidy( true );
+               $parserOutput = $wgParser->parse(
+                       $text, $article->mTitle,
+                       $popts, true, true, $this->mRevisionId
+               );
+               $popts->setTidy( false );
+               if ( $cache && $article && $parserOutput->isCacheable() ) {
                        $parserCache = ParserCache::singleton();
-                       $parserCache->save( $parserOutput, $article, $popts);
+                       $parserCache->save( $parserOutput, $article, $popts );
                }
 
                $this->addParserOutput( $parserOutput );
@@ -1054,29 +1155,27 @@ class OutputPage {
         */
        public function addSecondaryWikiText( $text, $linestart = true ) {
                wfDeprecated( __METHOD__ );
-               $this->addWikiTextTitleTidy($text, $this->getTitle(), $linestart);
+               $this->addWikiTextTitleTidy( $text, $this->getTitle(), $linestart );
        }
 
-
        /**
         * Add a ParserOutput object, but without Html
         *
         * @param $parserOutput ParserOutput object
         */
        public function addParserOutputNoText( &$parserOutput ) {
-               global $wgExemptFromUserRobotsControl, $wgContentNamespaces;
-
                $this->mLanguageLinks += $parserOutput->getLanguageLinks();
                $this->addCategoryLinks( $parserOutput->getCategories() );
                $this->mNewSectionLink = $parserOutput->getNewSection();
                $this->mHideNewSectionLink = $parserOutput->getHideNewSection();
 
                $this->mParseWarnings = $parserOutput->getWarnings();
-               if ( $parserOutput->getCacheTime() == -1 ) {
+               if ( !$parserOutput->isCacheable() ) {
                        $this->enableClientCache( false );
                }
                $this->mNoGallery = $parserOutput->getNoGallery();
                $this->mHeadItems = array_merge( $this->mHeadItems, $parserOutput->getHeadItems() );
+               $this->addModules( $parserOutput->getModules() );
                // Versioning...
                foreach ( (array)$parserOutput->mTemplateIds as $ns => $dbks ) {
                        if ( isset( $this->mTemplateIds[$ns] ) ) {
@@ -1085,11 +1184,6 @@ class OutputPage {
                                $this->mTemplateIds[$ns] = $dbks;
                        }
                }
-               // Page title
-               $title = $parserOutput->getTitleText();
-               if ( $title != '' ) {
-                       $this->setPageTitle( $title );
-               }
 
                // Hooks registered in the object
                global $wgParserOutputHooks;
@@ -1111,7 +1205,7 @@ class OutputPage {
        function addParserOutput( &$parserOutput ) {
                $this->addParserOutputNoText( $parserOutput );
                $text = $parserOutput->getText();
-               wfRunHooks( 'OutputPageBeforeHTML',array( &$this, &$text ) );
+               wfRunHooks( 'OutputPageBeforeHTML', array( &$this, &$text ) );
                $this->addHTML( $text );
        }
 
@@ -1144,10 +1238,16 @@ class OutputPage {
                        throw new MWException( 'Empty $mTitle in ' . __METHOD__ );
                }
                $popts = $this->parserOptions();
-               if ( $interface) { $popts->setInterfaceMessage(true); }
-               $parserOutput = $wgParser->parse( $text, $this->getTitle(), $popts,
-                       $linestart, true, $this->mRevisionId );
-               if ( $interface) { $popts->setInterfaceMessage(false); }
+               if ( $interface ) {
+                       $popts->setInterfaceMessage( true );
+               }
+               $parserOutput = $wgParser->parse(
+                       $text, $this->getTitle(), $popts,
+                       $linestart, true, $this->mRevisionId
+               );
+               if ( $interface ) {
+                       $popts->setInterfaceMessage( false );
+               }
                return $parserOutput->getText();
        }
 
@@ -1182,7 +1282,7 @@ class OutputPage {
                wfDeprecated( __METHOD__ );
                $parserOutput = ParserCache::singleton()->get( $article, $article->getParserOptions() );
 
-               if ($parserOutput !== false) {
+               if ( $parserOutput !== false ) {
                        $this->addParserOutput( $parserOutput );
                        return true;
                } else {
@@ -1225,21 +1325,21 @@ class OutputPage {
                                ),
                                $wgCacheVaryCookies
                        );
-                       wfRunHooks('GetCacheVaryCookies', array( $this, &$cookies ) );
+                       wfRunHooks( 'GetCacheVaryCookies', array( $this, &$cookies ) );
                }
                return $cookies;
        }
 
        /**
         * Return whether this page is not cacheable because "useskin" or "uselang"
-        * url parameters were passed
+        * URL parameters were passed.
         *
         * @return Boolean
         */
        function uncacheableBecauseRequestVars() {
                global $wgRequest;
-               return $wgRequest->getText('useskin', false) === false
-                       && $wgRequest->getText('uselang', false) === false;
+               return $wgRequest->getText( 'useskin', false ) === false
+                       && $wgRequest->getText( 'uselang', false ) === false;
        }
 
        /**
@@ -1257,12 +1357,12 @@ class OutputPage {
                $cvCookies = $this->getCacheVaryCookies();
                foreach ( $cvCookies as $cookieName ) {
                        # Check for a simple string match, like the way squid does it
-                       if ( strpos( $cookieHeader, $cookieName ) ) {
-                               wfDebug( __METHOD__.": found $cookieName\n" );
+                       if ( strpos( $cookieHeader, $cookieName ) !== false ) {
+                               wfDebug( __METHOD__ . ": found $cookieName\n" );
                                return true;
                        }
                }
-               wfDebug( __METHOD__.": no cache-varying cookies found\n" );
+               wfDebug( __METHOD__ . ": no cache-varying cookies found\n" );
                return false;
        }
 
@@ -1275,12 +1375,10 @@ class OutputPage {
        public function addVaryHeader( $header, $option = null ) {
                if ( !array_key_exists( $header, $this->mVaryHeader ) ) {
                        $this->mVaryHeader[$header] = $option;
-               }
-               elseif( is_array( $option ) ) {
+               } elseif( is_array( $option ) ) {
                        if( is_array( $this->mVaryHeader[$header] ) ) {
                                $this->mVaryHeader[$header] = array_merge( $this->mVaryHeader[$header], $option );
-                       }
-                       else {
+                       } else {
                                $this->mVaryHeader[$header] = $option;
                        }
                }
@@ -1294,22 +1392,23 @@ class OutputPage {
         */
        public function getXVO() {
                $cvCookies = $this->getCacheVaryCookies();
-               
+
                $cookiesOption = array();
                foreach ( $cvCookies as $cookieName ) {
                        $cookiesOption[] = 'string-contains=' . $cookieName;
                }
                $this->addVaryHeader( 'Cookie', $cookiesOption );
-               
+
                $headers = array();
                foreach( $this->mVaryHeader as $header => $option ) {
                        $newheader = $header;
-                       if( is_array( $option ) )
+                       if( is_array( $option ) ) {
                                $newheader .= ';' . implode( ';', $option );
+                       }
                        $headers[] = $newheader;
                }
                $xvo = 'X-Vary-Options: ' . implode( ',', $headers );
-               
+
                return $xvo;
        }
 
@@ -1320,19 +1419,18 @@ class OutputPage {
         * For example:
         *   /w/index.php?title=Main_page should always be served; but
         *   /w/index.php?title=Main_page&variant=zh-cn should never be served.
-        *
-        * patched by Liangent and Philip
         */
        function addAcceptLanguage() {
                global $wgRequest, $wgContLang;
-               if( !$wgRequest->getCheck('variant') && $wgContLang->hasVariants() ) {
+               if( !$wgRequest->getCheck( 'variant' ) && $wgContLang->hasVariants() ) {
                        $variants = $wgContLang->getVariants();
                        $aloption = array();
                        foreach ( $variants as $variant ) {
-                               if( $variant === $wgContLang->getCode() )
+                               if( $variant === $wgContLang->getCode() ) {
                                        continue;
-                               else
+                               } else {
                                        $aloption[] = "string-contains=$variant";
+                               }
                        }
                        $this->addVaryHeader( 'Accept-Language', $aloption );
                }
@@ -1345,8 +1443,9 @@ class OutputPage {
                global $wgUseSquid, $wgUseESI, $wgUseETag, $wgSquidMaxage, $wgRequest, $wgUseXVO;
 
                $response = $wgRequest->response();
-               if ($wgUseETag && $this->mETag)
-                       $response->header("ETag: $this->mETag");
+               if ( $wgUseETag && $this->mETag ) {
+                       $response->header( "ETag: $this->mETag" );
+               }
 
                $this->addAcceptLanguage();
 
@@ -1360,8 +1459,10 @@ class OutputPage {
                }
 
                if( !$this->uncacheableBecauseRequestVars() && $this->mEnableClientCache ) {
-                       if( $wgUseSquid && session_id() == '' &&
-                         ! $this->isPrintable() && $this->mSquidMaxage != 0 && !$this->haveCacheVaryCookies() )
+                       if(
+                               $wgUseSquid && session_id() == '' && !$this->isPrintable() &&
+                               $this->mSquidMaxage != 0 && !$this->haveCacheVaryCookies()
+                       )
                        {
                                if ( $wgUseESI ) {
                                        # We'll purge the proxy cache explicitly, but require end user agents
@@ -1401,7 +1502,6 @@ class OutputPage {
                        $response->header( 'Cache-Control: no-cache, no-store, max-age=0, must-revalidate' );
                        $response->header( 'Pragma: no-cache' );
                }
-               wfRunHooks('CacheHeadersAfterSet', array( $this ) );
        }
 
        /**
@@ -1469,12 +1569,12 @@ class OutputPage {
         */
        public function output() {
                global $wgUser, $wgOutputEncoding, $wgRequest;
-               global $wgContLanguageCode, $wgDebugRedirects, $wgMimeType;
+               global $wgLanguageCode, $wgDebugRedirects, $wgMimeType;
                global $wgUseAjax, $wgAjaxWatch;
                global $wgEnableMWSuggest, $wgUniversalEditButton;
                global $wgArticle;
 
-               if( $this->mDoNothing ){
+               if( $this->mDoNothing ) {
                        return;
                }
                wfProfileIn( __METHOD__ );
@@ -1503,35 +1603,40 @@ class OutputPage {
                        return;
                } elseif ( $this->mStatusCode ) {
                        $message = self::getStatusMessage( $this->mStatusCode );
-                       if ( $message )
+                       if ( $message ) {
                                $wgRequest->response()->header( 'HTTP/1.1 ' . $this->mStatusCode . ' ' . $message );
+                       }
                }
 
                $sk = $wgUser->getSkin();
-
+               
+               // Add base resources
+               $this->addModules( array( 'mediawiki.legacy.wikibits' ) );
+               
+               // Add various resources if required
                if ( $wgUseAjax ) {
-                       $this->addScriptFile( 'ajax.js' );
+                       $this->addModules( 'mediawiki.legacy.ajax' );
 
                        wfRunHooks( 'AjaxAddScript', array( &$this ) );
 
                        if( $wgAjaxWatch && $wgUser->isLoggedIn() ) {
-                               $this->addScriptFile( 'ajaxwatch.js' );
+                               $this->addModules( 'mediawiki.legacy.ajaxwatch' );
                        }
 
-                       if ( $wgEnableMWSuggest && !$wgUser->getOption( 'disablesuggest', false ) ){
-                               $this->addScriptFile( 'mwsuggest.js' );
+                       if ( $wgEnableMWSuggest && !$wgUser->getOption( 'disablesuggest', false ) ) {
+                               $this->addModules( 'mediawiki.legacy.mwsuggest' );
                        }
                }
 
                if( $wgUser->getBoolOption( 'editsectiononrightclick' ) ) {
-                       $this->addScriptFile( 'rightclickedit.js' );
+                       $this->addModules( 'mediawiki.legacy.rightclickedit' );
                }
 
                if( $wgUniversalEditButton ) {
                        if( isset( $wgArticle ) && $this->getTitle() && $this->getTitle()->quickUserCan( 'edit' )
                                && ( $this->getTitle()->exists() || $this->getTitle()->quickUserCan( 'create' ) ) ) {
                                // Original UniversalEditButton
-                               $msg = wfMsg('edit');
+                               $msg = wfMsg( 'edit' );
                                $this->addLink( array(
                                        'rel' => 'alternate',
                                        'type' => 'application/x-wiki',
@@ -1547,14 +1652,15 @@ class OutputPage {
                        }
                }
 
+
                # Buffer output; final headers may depend on later processing
                ob_start();
 
                $wgRequest->response()->header( "Content-type: $wgMimeType; charset={$wgOutputEncoding}" );
-               $wgRequest->response()->header( 'Content-language: '.$wgContLanguageCode );
+               $wgRequest->response()->header( 'Content-language: ' . $wgLanguageCode );
 
-               if ($this->mArticleBodyOnly) {
-                       $this->out($this->mBodytext);
+               if ( $this->mArticleBodyOnly ) {
+                       $this->out( $this->mBodytext );
                } else {
                        // Hook that allows last minute changes to the output page, e.g.
                        // adding of CSS or Javascript by extensions.
@@ -1582,7 +1688,9 @@ class OutputPage {
                        $outs = $ins;
                } else {
                        $outs = $wgContLang->iconv( $wgInputEncoding, $wgOutputEncoding, $ins );
-                       if ( false === $outs ) { $outs = $ins; }
+                       if ( false === $outs ) {
+                               $outs = $ins;
+                       }
                }
                print $outs;
        }
@@ -1592,7 +1700,6 @@ class OutputPage {
         */
        public static function setEncodings() {
                global $wgInputEncoding, $wgOutputEncoding;
-               global $wgContLang;
 
                $wgInputEncoding = strtolower( $wgInputEncoding );
 
@@ -1632,7 +1739,9 @@ class OutputPage {
                if( $reason == '' ) {
                        $reason = wfMsg( 'blockednoreason' );
                }
-               $blockTimestamp = $wgLang->timeanddate( wfTimestamp( TS_MW, $wgUser->mBlock->mTimestamp ), true );
+               $blockTimestamp = $wgLang->timeanddate(
+                       wfTimestamp( TS_MW, $wgUser->mBlock->mTimestamp ), true
+               );
                $ip = wfGetIP();
 
                $link = '[[' . $wgContLang->getNsText( NS_USER ) . ":{$name}|{$name}]]";
@@ -1645,16 +1754,20 @@ class OutputPage {
                        // Search for localization in 'ipboptions'
                        $scBlockExpiryOptions = wfMsg( 'ipboptions' );
                        foreach ( explode( ',', $scBlockExpiryOptions ) as $option ) {
-                               if ( strpos( $option, ":" ) === false )
+                               if ( strpos( $option, ':' ) === false ) {
                                        continue;
-                               list( $show, $value ) = explode( ":", $option );
+                               }
+                               list( $show, $value ) = explode( ':', $option );
                                if ( $value == 'infinite' || $value == 'indefinite' ) {
                                        $blockExpiry = $show;
                                        break;
                                }
                        }
                } else {
-                       $blockExpiry = $wgLang->timeanddate( wfTimestamp( TS_MW, $blockExpiry ), true );
+                       $blockExpiry = $wgLang->timeanddate(
+                               wfTimestamp( TS_MW, $blockExpiry ),
+                               true
+                       );
                }
 
                if ( $wgUser->mBlock->mAuto ) {
@@ -1664,10 +1777,13 @@ class OutputPage {
                }
 
                /* $ip returns who *is* being blocked, $intended contains who was meant to be blocked.
-                * This could be a username, an ip range, or a single ip. */
+                * This could be a username, an IP range, or a single IP. */
                $intended = $wgUser->mBlock->mAddress;
 
-               $this->addWikiMsg( $msg, $link, $reason, $ip, $name, $blockid, $blockExpiry, $intended, $blockTimestamp );
+               $this->addWikiMsg(
+                       $msg, $link, $reason, $ip, $name, $blockid, $blockExpiry,
+                       $intended, $blockTimestamp
+               );
 
                # Don't auto-return to special pages
                if( $return ) {
@@ -1755,34 +1871,22 @@ class OutputPage {
                $groups = array_map( array( 'User', 'makeGroupLinkWiki' ),
                        User::getGroupsWithPermission( $permission ) );
                if( $groups ) {
-                       $this->addWikiMsg( 'badaccess-groups',
+                       $this->addWikiMsg(
+                               'badaccess-groups',
                                $wgLang->commaList( $groups ),
-                               count( $groups) );
+                               count( $groups )
+                       );
                } else {
                        $this->addWikiMsg( 'badaccess-group0' );
                }
                $this->returnToMain();
        }
 
-       /**
-        * @deprecated use permissionRequired()
-        */
-       public function sysopRequired() {
-               throw new MWException( "Call to deprecated OutputPage::sysopRequired() method\n" );
-       }
-
-       /**
-        * @deprecated use permissionRequired()
-        */
-       public function developerRequired() {
-               throw new MWException( "Call to deprecated OutputPage::developerRequired() method\n" );
-       }
-
        /**
         * Produce the stock "please login to use the wiki" page
         */
        public function loginToUse() {
-               global $wgUser, $wgContLang;
+               global $wgUser;
 
                if( $wgUser->isLoggedIn() ) {
                        $this->permissionRequired( 'read' );
@@ -1805,13 +1909,14 @@ class OutputPage {
                        array( 'known', 'noclasses' )
                );
                $this->addHTML( wfMsgWikiHtml( 'loginreqpagetext', $loginLink ) );
-               $this->addHTML( "\n<!--" . $this->getTitle()->getPrefixedUrl() . "-->" );
+               $this->addHTML( "\n<!--" . $this->getTitle()->getPrefixedUrl() . '-->' );
 
                # Don't return to the main page if the user can't read it
                # otherwise we'll end up in a pointless loop
                $mainPage = Title::newMainPage();
-               if( $mainPage->userCanRead() )
+               if( $mainPage->userCanRead() ) {
                        $this->returnToMain( null, $mainPage );
+               }
        }
 
        /**
@@ -1822,26 +1927,30 @@ class OutputPage {
         * @return String: the wikitext error-messages, formatted into a list.
         */
        public function formatPermissionsErrorMessage( $errors, $action = null ) {
-               if ($action == null) {
-                       $text = wfMsgNoTrans( 'permissionserrorstext', count($errors)). "\n\n";
+               if ( $action == null ) {
+                       $text = wfMsgNoTrans( 'permissionserrorstext', count( $errors ) ) . "\n\n";
                } else {
-                       global $wgLang;
                        $action_desc = wfMsgNoTrans( "action-$action" );
-                       $text = wfMsgNoTrans( 'permissionserrorstext-withaction', count($errors), $action_desc ) . "\n\n";
+                       $text = wfMsgNoTrans(
+                               'permissionserrorstext-withaction',
+                               count( $errors ),
+                               $action_desc
+                       ) . "\n\n";
                }
 
-               if (count( $errors ) > 1) {
+               if ( count( $errors ) > 1 ) {
                        $text .= '<ul class="permissions-errors">' . "\n";
 
-                       foreach( $errors as $error )
-                       {
+                       foreach( $errors as $error ) {
                                $text .= '<li>';
                                $text .= call_user_func_array( 'wfMsgNoTrans', $error );
                                $text .= "</li>\n";
                        }
                        $text .= '</ul>';
                } else {
-                       $text .= "<div class=\"permissions-errors\">\n" . call_user_func_array( 'wfMsgNoTrans', reset( $errors ) ) . "\n</div>";
+                       $text .= "<div class=\"permissions-errors\">\n" .
+                                       call_user_func_array( 'wfMsgNoTrans', reset( $errors ) ) .
+                                       "\n</div>";
                }
 
                return $text;
@@ -1876,25 +1985,16 @@ class OutputPage {
 
                // If no reason is given, just supply a default "I can't let you do
                // that, Dave" message.  Should only occur if called by legacy code.
-               if ( $protected && empty($reasons) ) {
+               if ( $protected && empty( $reasons ) ) {
                        $reasons[] = array( 'badaccess-group0' );
                }
 
-               if ( !empty($reasons) ) {
+               if ( !empty( $reasons ) ) {
                        // Permissions error
                        if( $source ) {
                                $this->setPageTitle( wfMsg( 'viewsource' ) );
                                $this->setSubtitle(
-                                       wfMsg(
-                                               'viewsourcefor',
-                                               $skin->link(
-                                                       $this->getTitle(),
-                                                       null,
-                                                       array(),
-                                                       array(),
-                                                       array( 'known', 'noclasses' )
-                                               )
-                                       )
+                                       wfMsg( 'viewsourcefor', $skin->linkKnown( $this->getTitle() ) )
                                );
                        } else {
                                $this->setPageTitle( wfMsg( 'badaccess' ) );
@@ -1904,7 +2004,7 @@ class OutputPage {
                        // Wiki is read only
                        $this->setPageTitle( wfMsg( 'readonly' ) );
                        $reason = wfReadOnlyReason();
-                       $this->wrapWikiMsg( '<div class="mw-readonly-error">\n$1</div>', array( 'readonlytext', $reason ) );
+                       $this->wrapWikiMsg( "<div class='mw-readonly-error'>\n$1\n</div>", array( 'readonlytext', $reason ) );
                }
 
                // Show source, if supplied
@@ -1937,6 +2037,28 @@ class OutputPage {
                }
        }
 
+       /**
+        * Adds JS-based password security checker
+        * @param $passwordId String ID of input box containing password
+        * @param $retypeId String ID of input box containing retyped password
+        * @return none
+        */
+       public function addPasswordSecurity( $passwordId, $retypeId ) {
+               $this->includeJQuery();
+               $data = array(
+                       'password' => '#' . $passwordId,
+                       'retype' => '#' . $retypeId,
+                       'messages' => array(),
+               );
+               foreach ( array( 'password-strength', 'password-strength-bad', 'password-strength-mediocre',
+                               'password-strength-acceptable', 'password-strength-good', 'password-retype', 'password-retype-mismatch'
+                       ) as $message ) {
+                       $data['messages'][$message] = wfMsg( $message );
+               }
+               $this->addScript( Html::inlineScript( 'var passwordSecurity=' . FormatJson::encode( $data ) ) );
+               $this->addModules( 'mediawiki.legacy.password' );
+       }
+
        /** @deprecated */
        public function errorpage( $title, $msg ) {
                wfDeprecated( __METHOD__ );
@@ -1985,8 +2107,8 @@ class OutputPage {
        }
 
        public function showFatalError( $message ) {
-               $this->setPageTitle( wfMsg( "internalerror" ) );
-               $this->setRobotPolicy( "noindex,nofollow" );
+               $this->setPageTitle( wfMsg( 'internalerror' ) );
+               $this->setRobotPolicy( 'noindex,nofollow' );
                $this->setArticleRelated( false );
                $this->enableClientCache( false );
                $this->mRedirect = '';
@@ -2018,12 +2140,15 @@ class OutputPage {
         *
         * @param $title Title to link
         * @param $query String: query string
+        * @param $text String text of the link (input is not escaped)
         */
-       public function addReturnTo( $title, $query = array() ) {
+       public function addReturnTo( $title, $query = array(), $text = null ) {
                global $wgUser;
-               $this->addLink( array( 'rel' => 'next', 'href' => $title->getFullUrl() ) );
-               $link = wfMsgHtml( 'returnto', $wgUser->getSkin()->link(
-                       $title, null, array(), $query ) );
+               $this->addLink( array( 'rel' => 'next', 'href' => $title->getFullURL() ) );
+               $link = wfMsgHtml(
+                       'returnto',
+                       $wgUser->getSkin()->link( $title, $text, array(), $query )
+               );
                $this->addHTML( "<p id=\"mw-returnto\">{$link}</p>\n" );
        }
 
@@ -2064,88 +2189,75 @@ class OutputPage {
 
        /**
         * @param $sk Skin The given Skin
-        * @param $includeStyle Unused (?)
+        * @param $includeStyle Boolean: unused
         * @return String: The doctype, opening <html>, and head element.
         */
        public function headElement( Skin $sk, $includeStyle = true ) {
-               global $wgDocType, $wgDTD, $wgContLanguageCode, $wgOutputEncoding, $wgMimeType;
-               global $wgXhtmlDefaultNamespace, $wgXhtmlNamespaces, $wgHtml5Version;
-               global $wgContLang, $wgUseTrackbacks, $wgStyleVersion, $wgHtml5, $wgWellFormedXml;
+               global $wgOutputEncoding, $wgMimeType;
+               global $wgUseTrackbacks, $wgHtml5;
                global $wgUser, $wgRequest, $wgLang;
 
-               $this->addMeta( "http:Content-Type", "$wgMimeType; charset={$wgOutputEncoding}" );
                if ( $sk->commonPrintStylesheet() ) {
-                       $this->addStyle( 'common/wikiprintable.css', 'print' );
+                       $this->addModuleStyles( 'mediawiki.legacy.wikiprintable' );
                }
                $sk->setupUserCss( $this );
 
-               $ret = '';
-
-               if( $wgMimeType == 'text/xml' || $wgMimeType == 'application/xhtml+xml' || $wgMimeType == 'application/xml' ) {
-                       $ret .= "<?xml version=\"1.0\" encoding=\"$wgOutputEncoding\" ?" . ">\n";
-               }
+               $ret = Html::htmlHeader( array( 'lang' => wfUILang()->getCode() ) );
 
                if ( $this->getHTMLTitle() == '' ) {
-                       $this->setHTMLTitle(  wfMsg( 'pagetitle', $this->getPageTitle() ));
+                       $this->setHTMLTitle( wfMsg( 'pagetitle', $this->getPageTitle() ) );
                }
 
-               $dir = $wgContLang->getDir();
+               $openHead = Html::openElement( 'head' );
+               if ( $openHead ) {
+                       # Don't bother with the newline if $head == ''
+                       $ret .= "$openHead\n";
+               }
 
                if ( $wgHtml5 ) {
-                       if ( $wgWellFormedXml ) {
-                               # Unknown elements and attributes are okay in XML, but unknown
-                               # named entities are well-formedness errors and will break XML
-                               # parsers.  Thus we need a doctype that gives us appropriate
-                               # entity definitions.  The HTML5 spec permits four legacy
-                               # doctypes as obsolete but conforming, so let's pick one of
-                               # those, although it makes our pages look like XHTML1 Strict.
-                               # Isn't compatibility great?
-                               $ret .= "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n";
-                       } else {
-                               # Much saner.
-                               $ret .= "<!doctype html>\n";
-                       }
-                       $ret .= "<html lang=\"$wgContLanguageCode\" dir=\"$dir\"";
-                       if ( $wgHtml5Version ) $ret .= " version=\"$wgHtml5Version\"";
-                       $ret .= ">\n";
+                       # More succinct than <meta http-equiv=Content-Type>, has the
+                       # same effect
+                       $ret .= Html::element( 'meta', array( 'charset' => $wgOutputEncoding ) ) . "\n";
                } else {
-                       $ret .= "<!DOCTYPE html PUBLIC \"$wgDocType\" \"$wgDTD\">\n";
-                       $ret .= "<html xmlns=\"{$wgXhtmlDefaultNamespace}\" ";
-                       foreach($wgXhtmlNamespaces as $tag => $ns) {
-                               $ret .= "xmlns:{$tag}=\"{$ns}\" ";
-                       }
-                       $ret .= "xml:lang=\"$wgContLanguageCode\" lang=\"$wgContLanguageCode\" dir=\"$dir\">\n";
+                       $this->addMeta( 'http:Content-Type', "$wgMimeType; charset=$wgOutputEncoding" );
                }
 
-               $ret .= "<head>\n";
-               $ret .= "<title>" . htmlspecialchars( $this->getHTMLTitle() ) . "</title>\n";
+               $ret .= Html::element( 'title', null, $this->getHTMLTitle() ) . "\n";
+
                $ret .= implode( "\n", array(
-                       $this->getHeadLinks(),
+                       $this->getHeadLinks( $sk ),
                        $this->buildCssLinks(),
-                       $this->getHeadScripts( $sk ),
                        $this->getHeadItems(),
-               ));
-               if( $sk->usercss ){
+               ) );
+               if ( $sk->usercss ) {
                        $ret .= Html::inlineStyle( $sk->usercss );
                }
 
-               if ($wgUseTrackbacks && $this->isArticleRelated())
+               if ( $wgUseTrackbacks && $this->isArticleRelated() ) {
                        $ret .= $this->getTitle()->trackbackRDF();
+               }
 
-               $ret .= "</head>\n";
+               $closeHead = Html::closeElement( 'head' );
+               if ( $closeHead ) {
+                       $ret .= "$closeHead\n";
+               }
 
                $bodyAttrs = array();
 
                # Crazy edit-on-double-click stuff
                $action = $wgRequest->getVal( 'action', 'view' );
 
-               if ( $this->getTitle()->getNamespace() != NS_SPECIAL
-               && !in_array( $action, array( 'edit', 'submit' ) )
-               && $wgUser->getOption( 'editondblclick' ) ) {
+               if (
+                       $this->getTitle()->getNamespace() != NS_SPECIAL &&
+                       !in_array( $action, array( 'edit', 'submit' ) ) &&
+                       $wgUser->getOption( 'editondblclick' )
+               )
+               {
                        $bodyAttrs['ondblclick'] = "document.location = '" . Xml::escapeJsString( $this->getTitle()->getEditURL() ) . "'";
                }
 
                # Class bloat
+               $dir = wfUILang()->getDir();
                $bodyAttrs['class'] = "mediawiki $dir";
 
                if ( $wgLang->capitalizeAllNouns() ) {
@@ -2167,51 +2279,95 @@ class OutputPage {
 
                return $ret;
        }
-
+       
+       static function makeResourceLoaderLink( $skin, $modules, $only, $media = 'all' ) {
+               global $wgUser, $wgLang, $wgRequest;
+               // TODO: Should this be a static function of ResourceLoader instead?
+               $query = array(
+                       'modules' => implode( '|', array_unique( (array) $modules ) ),
+                       'lang' => $wgLang->getCode(),
+                       'debug' => $wgRequest->getBool( 'debug' ) && $wgRequest->getVal( 'debug' ) !== 'false',
+                       'skin' => $wgUser->getSkin()->getSkinName(),
+                       'only' => $only,
+               );
+               // Automatically select style/script elements
+               if ( $only === 'styles' ) {
+                       $query['media'] = $media;
+                       return Html::linkedStyle( wfAppendQuery( wfScript( 'load' ), $query ), $media );
+               } else {
+                       return Html::linkedScript( wfAppendQuery( wfScript( 'load' ), $query ) );
+               }
+       }
+       
        /**
         * Gets the global variables and mScripts; also adds userjs to the end if
-        * enabled
+        * enabled. Despite the name, these scripts are no longer put in the
+        * <head> but at the bottom of the <body>
         *
         * @param $sk Skin object to use
         * @return String: HTML fragment
         */
        function getHeadScripts( Skin $sk ) {
-               global $wgUser, $wgRequest, $wgJsMimeType, $wgUseSiteJs;
-               global $wgStylePath, $wgStyleVersion;
-
-               $scripts = Skin::makeGlobalVariablesScript( $sk->getSkinName() );
-               $scripts .= Html::linkedScript( "{$wgStylePath}/common/wikibits.js?$wgStyleVersion" );
-
-               //add site JS if enabled:
-               if( $wgUseSiteJs ) {
-                       $jsCache = $wgUser->isLoggedIn() ? '&smaxage=0' : '';
-                       $this->addScriptFile(  Skin::makeUrl( '-',
-                                       "action=raw$jsCache&gen=js&useskin=" .
-                                       urlencode( $sk->getSkinName() )
-                                       )
-                               );
+               global $wgUser, $wgRequest, $wgJsMimeType;
+               global $wgUseSiteJs;
+               
+               // Statup - this will immediately load jquery and mediawiki modules
+               $scripts = self::makeResourceLoaderLink( $sk, 'startup', 'scripts' );
+               // Configuration
+               $scripts .= Skin::makeGlobalVariablesScript( $sk->getSkinName() ) . "\n";
+               // Support individual script requests in debug mode
+               if ( $wgRequest->getBool( 'debug' ) && $wgRequest->getVal( 'debug' ) !== 'false' ) {
+                       // Scripts
+                       foreach ( $this->getModuleScripts() as $name ) {
+                               $scripts .= self::makeResourceLoaderLink( $sk, $name, 'scripts' );
+                       }
+                       // Messages
+                       foreach ( $this->getModuleMessages() as $name ) {
+                               $scripts .= self::makeResourceLoaderLink( $sk, $name, 'messages' );
+                       }
+               } else {
+                       // Scripts
+                       if ( count( $this->getModuleScripts() ) ) {
+                               $scripts .= self::makeResourceLoaderLink( $sk, $this->getModuleScripts(), 'scripts' );
+                       }
+                       // Messages
+                       if ( count( $this->getModuleMessages() ) ) {
+                               $scripts .= self::makeResourceLoaderLink( $sk, $this->getModuleMessages(), 'messages' );
+                       }
                }
-
-               //add user js if enabled:
+               if ( $this->getModules() ) {
+                       // Modules - let the client calculate dependencies and batch requests as it likes
+                       $modules = FormatJson::encode( $this->getModules() );
+                       $scripts .= Html::inlineScript(
+                               "if ( mediaWiki !== undefined ) { mediaWiki.loader.load( {$modules} ); }"
+                       );
+               }
+               // TODO: User Scripts should be included using the resource loader
+               // Add user JS if enabled
                if( $this->isUserJsAllowed() && $wgUser->isLoggedIn() ) {
                        $action = $wgRequest->getVal( 'action', 'view' );
-                       if( $this->mTitle && $this->mTitle->isJsSubpage() and $sk->userCanPreview( $action ) ) {
+                       if( $this->mTitle && $this->mTitle->isJsSubpage() && $sk->userCanPreview( $action ) ) {
                                # XXX: additional security check/prompt?
                                $this->addInlineScript( $wgRequest->getText( 'wpTextbox1' ) );
                        } else {
                                $userpage = $wgUser->getUserPage();
-                               $scriptpage = Title::makeTitleSafe(
-                                       NS_USER,
-                                       $userpage->getDBkey() . '/' . $sk->getSkinName() . '.js'
-                               );
-                               if ( $scriptpage && $scriptpage->exists() ) {
-                                       $userjs = Skin::makeUrl( $scriptpage->getPrefixedText(), 'action=raw&ctype=' . $wgJsMimeType );
-                                       $this->addScriptFile( $userjs );
+                               foreach( array( 'common', $sk->getSkinName() ) as $name ) {
+                                       $scriptpage = Title::makeTitleSafe( NS_USER, $userpage->getDBkey() . '/' . $name . '.js' );
+                                       if ( $scriptpage && $scriptpage->exists() && ( $scriptpage->getLength() > 0 ) ) {
+                                               $userjs = $scriptpage->getLocalURL( 'action=raw&ctype=' . $wgJsMimeType );
+                                               $this->addScriptFile( $userjs, $scriptpage->getLatestRevID() );
+                                       }
                                }
                        }
                }
-
                $scripts .= "\n" . $this->mScripts;
+               // This should be at the bottom of the body - below ALL other scripts
+               $scripts .= Html::inlineScript( "if ( mediaWiki !== undefined ) { mediaWiki.loader.go(); }" );
+               // Add site JS if enabled
+               if ( $wgUseSiteJs ) {
+                       $scripts .= self::makeResourceLoaderLink( $sk, 'sitejs', 'scripts' );
+               }
+               
                return $scripts;
        }
 
@@ -2229,7 +2385,7 @@ class OutputPage {
                $called = true;
 
                if ( !$wgHtml5 ) {
-                       $this->addMeta( 'http:Content-Style-Type', 'text/css' ); //bug 15835
+                       $this->addMeta( 'http:Content-Style-Type', 'text/css' ); // bug 15835
                }
                $this->addMeta( 'generator', "MediaWiki $wgVersion" );
 
@@ -2245,15 +2401,22 @@ class OutputPage {
                                "/<.*?" . ">/" => '',
                                "/_/" => ' '
                        );
-                       $this->addMeta( 'keywords', preg_replace(array_keys($strip), array_values($strip),implode( ",", $this->mKeywords ) ) );
+                       $this->addMeta(
+                               'keywords',
+                               preg_replace(
+                                       array_keys( $strip ),
+                                       array_values( $strip ),
+                                       implode( ',', $this->mKeywords )
+                               )
+                       );
                }
        }
 
        /**
         * @return string HTML tag links to be put in the header.
         */
-       public function getHeadLinks() {
-               global $wgRequest, $wgFeed;
+       public function getHeadLinks( $sk ) {
+               global $wgFeed, $wgRequest;
 
                // Ideally this should happen earlier, somewhere. :P
                $this->addDefaultMeta();
@@ -2270,7 +2433,9 @@ class OutputPage {
                        $tags[] = Html::element( 'meta',
                                array(
                                        $a => $tag[0],
-                                       'content' => $tag[1] ) );
+                                       'content' => $tag[1]
+                               )
+                       );
                }
                foreach ( $this->mLinktags as $tag ) {
                        $tags[] = Html::element( 'link', $tag );
@@ -2287,7 +2452,8 @@ class OutputPage {
                                        $format,
                                        $link,
                                        # Used messages: 'page-rss-feed' and 'page-atom-feed' (for an easier grep)
-                                       wfMsg( "page-{$format}-feed", $this->getTitle()->getPrefixedText() ) );
+                                       wfMsg( "page-{$format}-feed", $this->getTitle()->getPrefixedText() )
+                               );
                        }
 
                        # Recent changes feed should appear on every page (except recentchanges,
@@ -2303,21 +2469,38 @@ class OutputPage {
 
                        if ( $wgOverrideSiteFeed ) {
                                foreach ( $wgOverrideSiteFeed as $type => $feedUrl ) {
-                                       $tags[] = $this->feedLink (
+                                       $tags[] = $this->feedLink(
                                                $type,
                                                htmlspecialchars( $feedUrl ),
-                                               wfMsg( "site-{$type}-feed", $wgSitename ) );
+                                               wfMsg( "site-{$type}-feed", $wgSitename )
+                                       );
                                }
                        } elseif ( $this->getTitle()->getPrefixedText() != $rctitle->getPrefixedText() ) {
                                foreach ( $wgAdvertisedFeedTypes as $format ) {
                                        $tags[] = $this->feedLink(
                                                $format,
                                                $rctitle->getLocalURL( "feed={$format}" ),
-                                               wfMsg( "site-{$format}-feed", $wgSitename ) ); # For grep: 'site-rss-feed', 'site-atom-feed'.
+                                               wfMsg( "site-{$format}-feed", $wgSitename ) # For grep: 'site-rss-feed', 'site-atom-feed'.
+                                       );
                                }
                        }
                }
 
+               // Support individual script requests in debug mode
+               if ( $wgRequest->getBool( 'debug' ) && $wgRequest->getVal( 'debug' ) !== 'false' ) {
+                       foreach ( $this->getModuleStyles() as $name ) {
+                               $tags[] = self::makeResourceLoaderLink( $sk, $name, 'styles', 'all' );
+                               $tags[] = self::makeResourceLoaderLink( $sk, $name, 'styles', 'screen' );
+                               $tags[] = self::makeResourceLoaderLink( $sk, $name, 'styles', 'print' );
+                       }
+               } else {
+                       if ( count( $this->getModuleStyles() ) ) {
+                               $tags[] = self::makeResourceLoaderLink( $sk, $this->getModuleStyles(), 'styles', 'all' );
+                               $tags[] = self::makeResourceLoaderLink( $sk, $this->getModuleStyles(), 'styles', 'screen' );
+                               $tags[] = self::makeResourceLoaderLink( $sk, $this->getModuleStyles(), 'styles', 'print' );
+                       }
+               }
+               
                return implode( "\n", $tags );
        }
 
@@ -2334,7 +2517,8 @@ class OutputPage {
                        'rel' => 'alternate',
                        'type' => "application/$type+xml",
                        'title' => $text,
-                       'href' => $url ) );
+                       'href' => $url )
+               );
        }
 
        /**
@@ -2346,16 +2530,19 @@ class OutputPage {
         * @param $condition String: for IE conditional comments, specifying an IE version
         * @param $dir String: set to 'rtl' or 'ltr' for direction-specific sheets
         */
-       public function addStyle( $style, $media='', $condition='', $dir='' ) {
+       public function addStyle( $style, $media = '', $condition = '', $dir = '' ) {
                $options = array();
                // Even though we expect the media type to be lowercase, but here we
                // force it to lowercase to be safe.
-               if( $media )
+               if( $media ) {
                        $options['media'] = $media;
-               if( $condition )
+               }
+               if( $condition ) {
                        $options['condition'] = $condition;
-               if( $dir )
+               }
+               if( $dir ) {
                        $options['dir'] = $dir;
+               }
                $this->styles[$style] = $options;
        }
 
@@ -2372,14 +2559,18 @@ class OutputPage {
         * These will be applied to various media & IE conditionals.
         */
        public function buildCssLinks() {
+               return implode( "\n", $this->buildCssLinksArray() );
+       }
+
+       public function buildCssLinksArray() {
                $links = array();
                foreach( $this->styles as $file => $options ) {
                        $link = $this->styleLink( $file, $options );
-                       if( $link )
-                               $links[] = $link;
+                       if( $link ) {
+                               $links[$file] = $link;
+                       }
                }
-
-               return implode( "\n", $links );
+               return $links;
        }
 
        /**
@@ -2391,13 +2582,11 @@ class OutputPage {
         * @return String: HTML fragment
         */
        protected function styleLink( $style, $options ) {
-               global $wgRequest;
-
                if( isset( $options['dir'] ) ) {
-                       global $wgContLang;
-                       $siteDir = $wgContLang->getDir();
-                       if( $siteDir != $options['dir'] )
+                       $siteDir = wfUILang()->getDir();
+                       if( $siteDir != $options['dir'] ) {
                                return '';
+                       }
                }
 
                if( isset( $options['media'] ) ) {
@@ -2471,13 +2660,13 @@ class OutputPage {
         * for when rate limiting has triggered.
         */
        public function rateLimited() {
-               $this->setPageTitle(wfMsg('actionthrottled'));
+               $this->setPageTitle( wfMsg( 'actionthrottled' ) );
                $this->setRobotPolicy( 'noindex,follow' );
                $this->setArticleRelated( false );
                $this->enableClientCache( false );
                $this->mRedirect = '';
                $this->clearHTML();
-               $this->setStatusCode(503);
+               $this->setStatusCode( 503 );
                $this->addWikiMsg( 'actionthrottledtext' );
 
                $this->returnToMain( null, $this->getTitle() );
@@ -2544,11 +2733,11 @@ class OutputPage {
         *
         * For example:
         *
-        *    $wgOut->wrapWikiMsg( "<div class='error'>\n$1</div>", 'some-error' );
+        *    $wgOut->wrapWikiMsg( "<div class='error'>\n$1\n</div>", 'some-error' );
         *
         * Is equivalent to:
         *
-        *    $wgOut->addWikiText( "<div class='error'>\n" . wfMsgNoTrans( 'some-error' ) . "</div>" );
+        *    $wgOut->addWikiText( "<div class='error'>\n" . wfMsgNoTrans( 'some-error' ) . "\n</div>" );
         *
         * The newline after opening div is needed in some wikitext. See bug 19226.
         */
@@ -2577,26 +2766,15 @@ class OutputPage {
 
        /**
         * Include jQuery core. Use this to avoid loading it multiple times
-        * before we get a usable script loader. 
+        * before we get a usable script loader.
         *
         * @param $modules Array: list of jQuery modules which should be loaded
         * @return Array: the list of modules which were not loaded.
+        * @since 1.16
+        * @deprecated No longer needed as of 1.17
         */
        public function includeJQuery( $modules = array() ) {
-               global $wgStylePath, $wgStyleVersion, $wgJsMimeType;
-
-               $supportedModules = array( /** TODO: add things here */ );
-               $unsupported = array_diff( $modules, $supportedModules );
-
-               $params = array(
-                       'type' => $wgJsMimeType,
-                       'src' => "$wgStylePath/common/jquery.min.js?$wgStyleVersion",
-               );
-               if ( !$this->mJQueryDone ) {
-                       $this->mJQueryDone = true;
-                       $this->mScripts = Html::element( 'script', $params ) . "\n" . $this->mScripts;
-               }
-               return $unsupported;
+               return array();
        }
 
 }