X-Git-Url: https://scripts.mit.edu/gitweb/autoinstallsdev/mediawiki.git/blobdiff_plain/19e297c21b10b1b8a3acad5e73fc71dcb35db44a..6932310fd58ebef145fa01eb76edf7150284d8ea:/includes/skins/Skin.php

diff --git a/includes/skins/Skin.php b/includes/skins/Skin.php
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+++ b/includes/skins/Skin.php
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+<?php
+/**
+ * Base class for all skins.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+use MediaWiki\MediaWikiServices;
+
+/**
+ * @defgroup Skins Skins
+ */
+
+/**
+ * The main skin class which provides methods and properties for all other skins.
+ *
+ * See docs/skin.txt for more information.
+ *
+ * @ingroup Skins
+ */
+abstract class Skin extends ContextSource {
+	protected $skinname = null;
+	protected $mRelevantTitle = null;
+	protected $mRelevantUser = null;
+
+	/**
+	 * @var string Stylesheets set to use. Subdirectory in skins/ where various stylesheets are
+	 *   located. Only needs to be set if you intend to use the getSkinStylePath() method.
+	 */
+	public $stylename = null;
+
+	/**
+	 * Fetch the set of available skins.
+	 * @return array Associative array of strings
+	 */
+	static function getSkinNames() {
+		return SkinFactory::getDefaultInstance()->getSkinNames();
+	}
+
+	/**
+	 * Fetch the skinname messages for available skins.
+	 * @return string[]
+	 */
+	static function getSkinNameMessages() {
+		$messages = [];
+		foreach ( self::getSkinNames() as $skinKey => $skinName ) {
+			$messages[] = "skinname-$skinKey";
+		}
+		return $messages;
+	}
+
+	/**
+	 * Fetch the list of user-selectable skins in regards to $wgSkipSkins.
+	 * Useful for Special:Preferences and other places where you
+	 * only want to show skins users _can_ use.
+	 * @return string[]
+	 * @since 1.23
+	 */
+	public static function getAllowedSkins() {
+		global $wgSkipSkins;
+
+		$allowedSkins = self::getSkinNames();
+
+		foreach ( $wgSkipSkins as $skip ) {
+			unset( $allowedSkins[$skip] );
+		}
+
+		return $allowedSkins;
+	}
+
+	/**
+	 * Normalize a skin preference value to a form that can be loaded.
+	 *
+	 * If a skin can't be found, it will fall back to the configured default ($wgDefaultSkin), or the
+	 * hardcoded default ($wgFallbackSkin) if the default skin is unavailable too.
+	 *
+	 * @param string $key 'monobook', 'vector', etc.
+	 * @return string
+	 */
+	static function normalizeKey( $key ) {
+		global $wgDefaultSkin, $wgFallbackSkin;
+
+		$skinNames = self::getSkinNames();
+
+		// Make keys lowercase for case-insensitive matching.
+		$skinNames = array_change_key_case( $skinNames, CASE_LOWER );
+		$key = strtolower( $key );
+		$defaultSkin = strtolower( $wgDefaultSkin );
+		$fallbackSkin = strtolower( $wgFallbackSkin );
+
+		if ( $key == '' || $key == 'default' ) {
+			// Don't return the default immediately;
+			// in a misconfiguration we need to fall back.
+			$key = $defaultSkin;
+		}
+
+		if ( isset( $skinNames[$key] ) ) {
+			return $key;
+		}
+
+		// Older versions of the software used a numeric setting
+		// in the user preferences.
+		$fallback = [
+			0 => $defaultSkin,
+			2 => 'cologneblue'
+		];
+
+		if ( isset( $fallback[$key] ) ) {
+			$key = $fallback[$key];
+		}
+
+		if ( isset( $skinNames[$key] ) ) {
+			return $key;
+		} elseif ( isset( $skinNames[$defaultSkin] ) ) {
+			return $defaultSkin;
+		} else {
+			return $fallbackSkin;
+		}
+	}
+
+	/**
+	 * @return string Skin name
+	 */
+	public function getSkinName() {
+		return $this->skinname;
+	}
+
+	/**
+	 * @param OutputPage $out
+	 */
+	public function initPage( OutputPage $out ) {
+		$this->preloadExistence();
+	}
+
+	/**
+	 * Defines the ResourceLoader modules that should be added to the skin
+	 * It is recommended that skins wishing to override call parent::getDefaultModules()
+	 * and substitute out any modules they wish to change by using a key to look them up
+	 *
+	 * For style modules, use setupSkinUserCss() instead.
+	 *
+	 * @return array Array of modules with helper keys for easy overriding
+	 */
+	public function getDefaultModules() {
+		global $wgUseAjax, $wgEnableAPI, $wgEnableWriteAPI;
+
+		$out = $this->getOutput();
+		$config = $this->getConfig();
+		$user = $out->getUser();
+		$modules = [
+			// modules not specific to any specific skin or page
+			'core' => [
+				// Enforce various default modules for all pages and all skins
+				// Keep this list as small as possible
+				'site',
+				'mediawiki.page.startup',
+				'mediawiki.user',
+			],
+			// modules that enhance the page content in some way
+			'content' => [
+				'mediawiki.page.ready',
+			],
+			// modules relating to search functionality
+			'search' => [],
+			// modules relating to functionality relating to watching an article
+			'watch' => [],
+			// modules which relate to the current users preferences
+			'user' => [],
+		];
+
+		// Support for high-density display images if enabled
+		if ( $config->get( 'ResponsiveImages' ) ) {
+			$modules['core'][] = 'mediawiki.hidpi';
+		}
+
+		// Preload jquery.tablesorter for mediawiki.page.ready
+		if ( strpos( $out->getHTML(), 'sortable' ) !== false ) {
+			$modules['content'][] = 'jquery.tablesorter';
+		}
+
+		// Preload jquery.makeCollapsible for mediawiki.page.ready
+		if ( strpos( $out->getHTML(), 'mw-collapsible' ) !== false ) {
+			$modules['content'][] = 'jquery.makeCollapsible';
+		}
+
+		if ( $out->isTOCEnabled() ) {
+			$modules['content'][] = 'mediawiki.toc';
+		}
+
+		// Add various resources if required
+		if ( $wgUseAjax && $wgEnableAPI ) {
+			if ( $wgEnableWriteAPI && $user->isLoggedIn()
+				&& $user->isAllowedAll( 'writeapi', 'viewmywatchlist', 'editmywatchlist' )
+				&& $this->getRelevantTitle()->canExist()
+			) {
+				$modules['watch'][] = 'mediawiki.page.watch.ajax';
+			}
+
+			$modules['search'][] = 'mediawiki.searchSuggest';
+		}
+
+		if ( $user->getBoolOption( 'editsectiononrightclick' ) ) {
+			$modules['user'][] = 'mediawiki.action.view.rightClickEdit';
+		}
+
+		// Crazy edit-on-double-click stuff
+		if ( $out->isArticle() && $user->getOption( 'editondblclick' ) ) {
+			$modules['user'][] = 'mediawiki.action.view.dblClickEdit';
+		}
+		return $modules;
+	}
+
+	/**
+	 * Preload the existence of three commonly-requested pages in a single query
+	 */
+	protected function preloadExistence() {
+		$titles = [];
+
+		// User/talk link
+		$user = $this->getUser();
+		if ( $user->isLoggedIn() ) {
+			$titles[] = $user->getUserPage();
+			$titles[] = $user->getTalkPage();
+		}
+
+		// Check, if the page can hold some kind of content, otherwise do nothing
+		$title = $this->getRelevantTitle();
+		if ( $title->canExist() ) {
+			if ( $title->isTalkPage() ) {
+				$titles[] = $title->getSubjectPage();
+			} else {
+				$titles[] = $title->getTalkPage();
+			}
+		}
+
+		// Footer links (used by SkinTemplate::prepareQuickTemplate)
+		foreach ( [
+			$this->footerLinkTitle( 'privacy', 'privacypage' ),
+			$this->footerLinkTitle( 'aboutsite', 'aboutpage' ),
+			$this->footerLinkTitle( 'disclaimers', 'disclaimerpage' ),
+		] as $title ) {
+			if ( $title ) {
+				$titles[] = $title;
+			}
+		}
+
+		Hooks::run( 'SkinPreloadExistence', [ &$titles, $this ] );
+
+		if ( $titles ) {
+			$lb = new LinkBatch( $titles );
+			$lb->setCaller( __METHOD__ );
+			$lb->execute();
+		}
+	}
+
+	/**
+	 * Get the current revision ID
+	 *
+	 * @return int
+	 */
+	public function getRevisionId() {
+		return $this->getOutput()->getRevisionId();
+	}
+
+	/**
+	 * Whether the revision displayed is the latest revision of the page
+	 *
+	 * @return bool
+	 */
+	public function isRevisionCurrent() {
+		$revID = $this->getRevisionId();
+		return $revID == 0 || $revID == $this->getTitle()->getLatestRevID();
+	}
+
+	/**
+	 * Set the "relevant" title
+	 * @see self::getRelevantTitle()
+	 * @param Title $t
+	 */
+	public function setRelevantTitle( $t ) {
+		$this->mRelevantTitle = $t;
+	}
+
+	/**
+	 * Return the "relevant" title.
+	 * A "relevant" title is not necessarily the actual title of the page.
+	 * Special pages like Special:MovePage use set the page they are acting on
+	 * as their "relevant" title, this allows the skin system to display things
+	 * such as content tabs which belong to to that page instead of displaying
+	 * a basic special page tab which has almost no meaning.
+	 *
+	 * @return Title
+	 */
+	public function getRelevantTitle() {
+		if ( isset( $this->mRelevantTitle ) ) {
+			return $this->mRelevantTitle;
+		}
+		return $this->getTitle();
+	}
+
+	/**
+	 * Set the "relevant" user
+	 * @see self::getRelevantUser()
+	 * @param User $u
+	 */
+	public function setRelevantUser( $u ) {
+		$this->mRelevantUser = $u;
+	}
+
+	/**
+	 * Return the "relevant" user.
+	 * A "relevant" user is similar to a relevant title. Special pages like
+	 * Special:Contributions mark the user which they are relevant to so that
+	 * things like the toolbox can display the information they usually are only
+	 * able to display on a user's userpage and talkpage.
+	 * @return User
+	 */
+	public function getRelevantUser() {
+		if ( isset( $this->mRelevantUser ) ) {
+			return $this->mRelevantUser;
+		}
+		$title = $this->getRelevantTitle();
+		if ( $title->hasSubjectNamespace( NS_USER ) ) {
+			$rootUser = $title->getRootText();
+			if ( User::isIP( $rootUser ) ) {
+				$this->mRelevantUser = User::newFromName( $rootUser, false );
+			} else {
+				$user = User::newFromName( $rootUser, false );
+
+				if ( $user ) {
+					$user->load( User::READ_NORMAL );
+
+					if ( $user->isLoggedIn() ) {
+						$this->mRelevantUser = $user;
+					}
+				}
+			}
+			return $this->mRelevantUser;
+		}
+		return null;
+	}
+
+	/**
+	 * Outputs the HTML generated by other functions.
+	 * @param OutputPage $out
+	 */
+	abstract function outputPage( OutputPage $out = null );
+
+	/**
+	 * @param array $data
+	 * @return string
+	 */
+	static function makeVariablesScript( $data ) {
+		if ( $data ) {
+			return ResourceLoader::makeInlineScript(
+				ResourceLoader::makeConfigSetScript( $data )
+			);
+		} else {
+			return '';
+		}
+	}
+
+	/**
+	 * Get the query to generate a dynamic stylesheet
+	 *
+	 * @return array
+	 */
+	public static function getDynamicStylesheetQuery() {
+		global $wgSquidMaxage;
+
+		return [
+				'action' => 'raw',
+				'maxage' => $wgSquidMaxage,
+				'usemsgcache' => 'yes',
+				'ctype' => 'text/css',
+				'smaxage' => $wgSquidMaxage,
+			];
+	}
+
+	/**
+	 * Add skin specific stylesheets
+	 * Calling this method with an $out of anything but the same OutputPage
+	 * inside ->getOutput() is deprecated. The $out arg is kept
+	 * for compatibility purposes with skins.
+	 * @param OutputPage $out
+	 * @todo delete
+	 */
+	abstract function setupSkinUserCss( OutputPage $out );
+
+	/**
+	 * TODO: document
+	 * @param Title $title
+	 * @return string
+	 */
+	function getPageClasses( $title ) {
+		$numeric = 'ns-' . $title->getNamespace();
+
+		if ( $title->isSpecialPage() ) {
+			$type = 'ns-special';
+			// T25315: provide a class based on the canonical special page name without subpages
+			list( $canonicalName ) = SpecialPageFactory::resolveAlias( $title->getDBkey() );
+			if ( $canonicalName ) {
+				$type .= ' ' . Sanitizer::escapeClass( "mw-special-$canonicalName" );
+			} else {
+				$type .= ' mw-invalidspecialpage';
+			}
+		} elseif ( $title->isTalkPage() ) {
+			$type = 'ns-talk';
+		} else {
+			$type = 'ns-subject';
+		}
+
+		$name = Sanitizer::escapeClass( 'page-' . $title->getPrefixedText() );
+		$root = Sanitizer::escapeClass( 'rootpage-' . $title->getRootTitle()->getPrefixedText() );
+
+		return "$numeric $type $name $root";
+	}
+
+	/**
+	 * Return values for <html> element
+	 * @return array Array of associative name-to-value elements for <html> element
+	 */
+	public function getHtmlElementAttributes() {
+		$lang = $this->getLanguage();
+		return [
+			'lang' => $lang->getHtmlCode(),
+			'dir' => $lang->getDir(),
+			'class' => 'client-nojs',
+		];
+	}
+
+	/**
+	 * This will be called by OutputPage::headElement when it is creating the
+	 * "<body>" tag, skins can override it if they have a need to add in any
+	 * body attributes or classes of their own.
+	 * @param OutputPage $out
+	 * @param array &$bodyAttrs
+	 */
+	function addToBodyAttributes( $out, &$bodyAttrs ) {
+		// does nothing by default
+	}
+
+	/**
+	 * URL to the logo
+	 * @return string
+	 */
+	function getLogo() {
+		global $wgLogo;
+		return $wgLogo;
+	}
+
+	/**
+	 * Whether the logo should be preloaded with an HTTP link header or not
+	 * @since 1.29
+	 * @return bool
+	 */
+	public function shouldPreloadLogo() {
+		return false;
+	}
+
+	/**
+	 * @return string HTML
+	 */
+	function getCategoryLinks() {
+		global $wgUseCategoryBrowser;
+
+		$out = $this->getOutput();
+		$allCats = $out->getCategoryLinks();
+
+		if ( !count( $allCats ) ) {
+			return '';
+		}
+
+		$embed = "<li>";
+		$pop = "</li>";
+
+		$s = '';
+		$colon = $this->msg( 'colon-separator' )->escaped();
+
+		if ( !empty( $allCats['normal'] ) ) {
+			$t = $embed . implode( "{$pop}{$embed}", $allCats['normal'] ) . $pop;
+
+			$msg = $this->msg( 'pagecategories' )->numParams( count( $allCats['normal'] ) )->escaped();
+			$linkPage = wfMessage( 'pagecategorieslink' )->inContentLanguage()->text();
+			$title = Title::newFromText( $linkPage );
+			$link = $title ? Linker::link( $title, $msg ) : $msg;
+			$s .= '<div id="mw-normal-catlinks" class="mw-normal-catlinks">' .
+				$link . $colon . '<ul>' . $t . '</ul>' . '</div>';
+		}
+
+		# Hidden categories
+		if ( isset( $allCats['hidden'] ) ) {
+			if ( $this->getUser()->getBoolOption( 'showhiddencats' ) ) {
+				$class = ' mw-hidden-cats-user-shown';
+			} elseif ( $this->getTitle()->getNamespace() == NS_CATEGORY ) {
+				$class = ' mw-hidden-cats-ns-shown';
+			} else {
+				$class = ' mw-hidden-cats-hidden';
+			}
+
+			$s .= "<div id=\"mw-hidden-catlinks\" class=\"mw-hidden-catlinks$class\">" .
+				$this->msg( 'hidden-categories' )->numParams( count( $allCats['hidden'] ) )->escaped() .
+				$colon . '<ul>' . $embed . implode( "{$pop}{$embed}", $allCats['hidden'] ) . $pop . '</ul>' .
+				'</div>';
+		}
+
+		# optional 'dmoz-like' category browser. Will be shown under the list
+		# of categories an article belong to
+		if ( $wgUseCategoryBrowser ) {
+			$s .= '<br /><hr />';
+
+			# get a big array of the parents tree
+			$parenttree = $this->getTitle()->getParentCategoryTree();
+			# Skin object passed by reference cause it can not be
+			# accessed under the method subfunction drawCategoryBrowser
+			$tempout = explode( "\n", $this->drawCategoryBrowser( $parenttree ) );
+			# Clean out bogus first entry and sort them
+			unset( $tempout[0] );
+			asort( $tempout );
+			# Output one per line
+			$s .= implode( "<br />\n", $tempout );
+		}
+
+		return $s;
+	}
+
+	/**
+	 * Render the array as a series of links.
+	 * @param array $tree Categories tree returned by Title::getParentCategoryTree
+	 * @return string Separated by &gt;, terminate with "\n"
+	 */
+	function drawCategoryBrowser( $tree ) {
+		$return = '';
+
+		foreach ( $tree as $element => $parent ) {
+			if ( empty( $parent ) ) {
+				# element start a new list
+				$return .= "\n";
+			} else {
+				# grab the others elements
+				$return .= $this->drawCategoryBrowser( $parent ) . ' &gt; ';
+			}
+
+			# add our current element to the list
+			$eltitle = Title::newFromText( $element );
+			$return .= Linker::link( $eltitle, htmlspecialchars( $eltitle->getText() ) );
+		}
+
+		return $return;
+	}
+
+	/**
+	 * @return string HTML
+	 */
+	function getCategories() {
+		$out = $this->getOutput();
+		$catlinks = $this->getCategoryLinks();
+
+		// Check what we're showing
+		$allCats = $out->getCategoryLinks();
+		$showHidden = $this->getUser()->getBoolOption( 'showhiddencats' ) ||
+						$this->getTitle()->getNamespace() == NS_CATEGORY;
+
+		$classes = [ 'catlinks' ];
+		if ( empty( $allCats['normal'] ) && !( !empty( $allCats['hidden'] ) && $showHidden ) ) {
+			$classes[] = 'catlinks-allhidden';
+		}
+
+		return Html::rawElement(
+			'div',
+			[ 'id' => 'catlinks', 'class' => $classes, 'data-mw' => 'interface' ],
+			$catlinks
+		);
+	}
+
+	/**
+	 * This runs a hook to allow extensions placing their stuff after content
+	 * and article metadata (e.g. categories).
+	 * Note: This function has nothing to do with afterContent().
+	 *
+	 * This hook is placed here in order to allow using the same hook for all
+	 * skins, both the SkinTemplate based ones and the older ones, which directly
+	 * use this class to get their data.
+	 *
+	 * The output of this function gets processed in SkinTemplate::outputPage() for
+	 * the SkinTemplate based skins, all other skins should directly echo it.
+	 *
+	 * @return string Empty by default, if not changed by any hook function.
+	 */
+	protected function afterContentHook() {
+		$data = '';
+
+		if ( Hooks::run( 'SkinAfterContent', [ &$data, $this ] ) ) {
+			// adding just some spaces shouldn't toggle the output
+			// of the whole <div/>, so we use trim() here
+			if ( trim( $data ) != '' ) {
+				// Doing this here instead of in the skins to
+				// ensure that the div has the same ID in all
+				// skins
+				$data = "<div id='mw-data-after-content'>\n" .
+					"\t$data\n" .
+					"</div>\n";
+			}
+		} else {
+			wfDebug( "Hook SkinAfterContent changed output processing.\n" );
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Generate debug data HTML for displaying at the bottom of the main content
+	 * area.
+	 * @return string HTML containing debug data, if enabled (otherwise empty).
+	 */
+	protected function generateDebugHTML() {
+		return MWDebug::getHTMLDebugLog();
+	}
+
+	/**
+	 * This gets called shortly before the "</body>" tag.
+	 *
+	 * @return string HTML-wrapped JS code to be put before "</body>"
+	 */
+	function bottomScripts() {
+		// TODO and the suckage continues. This function is really just a wrapper around
+		// OutputPage::getBottomScripts() which takes a Skin param. This should be cleaned
+		// up at some point
+		$bottomScriptText = $this->getOutput()->getBottomScripts();
+		Hooks::run( 'SkinAfterBottomScripts', [ $this, &$bottomScriptText ] );
+
+		return $bottomScriptText;
+	}
+
+	/**
+	 * Text with the permalink to the source page,
+	 * usually shown on the footer of a printed page
+	 *
+	 * @return string HTML text with an URL
+	 */
+	function printSource() {
+		$oldid = $this->getRevisionId();
+		if ( $oldid ) {
+			$canonicalUrl = $this->getTitle()->getCanonicalURL( 'oldid=' . $oldid );
+			$url = htmlspecialchars( wfExpandIRI( $canonicalUrl ) );
+		} else {
+			// oldid not available for non existing pages
+			$url = htmlspecialchars( wfExpandIRI( $this->getTitle()->getCanonicalURL() ) );
+		}
+
+		return $this->msg( 'retrievedfrom' )
+			->rawParams( '<a dir="ltr" href="' . $url . '">' . $url . '</a>' )
+			->parse();
+	}
+
+	/**
+	 * @return string HTML
+	 */
+	function getUndeleteLink() {
+		$action = $this->getRequest()->getVal( 'action', 'view' );
+
+		if ( $this->getTitle()->userCan( 'deletedhistory', $this->getUser() ) &&
+			( !$this->getTitle()->exists() || $action == 'history' ) ) {
+			$n = $this->getTitle()->isDeleted();
+
+			if ( $n ) {
+				if ( $this->getTitle()->quickUserCan( 'undelete', $this->getUser() ) ) {
+					$msg = 'thisisdeleted';
+				} else {
+					$msg = 'viewdeleted';
+				}
+
+				return $this->msg( $msg )->rawParams(
+					Linker::linkKnown(
+						SpecialPage::getTitleFor( 'Undelete', $this->getTitle()->getPrefixedDBkey() ),
+						$this->msg( 'restorelink' )->numParams( $n )->escaped() )
+					)->escaped();
+			}
+		}
+
+		return '';
+	}
+
+	/**
+	 * @param OutputPage $out Defaults to $this->getOutput() if left as null
+	 * @return string
+	 */
+	function subPageSubtitle( $out = null ) {
+		if ( $out === null ) {
+			$out = $this->getOutput();
+		}
+		$title = $out->getTitle();
+		$subpages = '';
+
+		if ( !Hooks::run( 'SkinSubPageSubtitle', [ &$subpages, $this, $out ] ) ) {
+			return $subpages;
+		}
+
+		if ( $out->isArticle() && MWNamespace::hasSubpages( $title->getNamespace() ) ) {
+			$ptext = $title->getPrefixedText();
+			if ( strpos( $ptext, '/' ) !== false ) {
+				$links = explode( '/', $ptext );
+				array_pop( $links );
+				$c = 0;
+				$growinglink = '';
+				$display = '';
+				$lang = $this->getLanguage();
+
+				foreach ( $links as $link ) {
+					$growinglink .= $link;
+					$display .= $link;
+					$linkObj = Title::newFromText( $growinglink );
+
+					if ( is_object( $linkObj ) && $linkObj->isKnown() ) {
+						$getlink = Linker::linkKnown(
+							$linkObj,
+							htmlspecialchars( $display )
+						);
+
+						$c++;
+
+						if ( $c > 1 ) {
+							$subpages .= $lang->getDirMarkEntity() . $this->msg( 'pipe-separator' )->escaped();
+						} else {
+							$subpages .= '&lt; ';
+						}
+
+						$subpages .= $getlink;
+						$display = '';
+					} else {
+						$display .= '/';
+					}
+					$growinglink .= '/';
+				}
+			}
+		}
+
+		return $subpages;
+	}
+
+	/**
+	 * @deprecated since 1.27, feature removed
+	 * @return bool Always false
+	 */
+	function showIPinHeader() {
+		wfDeprecated( __METHOD__, '1.27' );
+		return false;
+	}
+
+	/**
+	 * @return string
+	 */
+	function getSearchLink() {
+		$searchPage = SpecialPage::getTitleFor( 'Search' );
+		return $searchPage->getLocalURL();
+	}
+
+	/**
+	 * @return string
+	 */
+	function escapeSearchLink() {
+		return htmlspecialchars( $this->getSearchLink() );
+	}
+
+	/**
+	 * @param string $type
+	 * @return string
+	 */
+	function getCopyright( $type = 'detect' ) {
+		global $wgRightsPage, $wgRightsUrl, $wgRightsText;
+
+		if ( $type == 'detect' ) {
+			if ( !$this->isRevisionCurrent()
+				&& !$this->msg( 'history_copyright' )->inContentLanguage()->isDisabled()
+			) {
+				$type = 'history';
+			} else {
+				$type = 'normal';
+			}
+		}
+
+		if ( $type == 'history' ) {
+			$msg = 'history_copyright';
+		} else {
+			$msg = 'copyright';
+		}
+
+		if ( $wgRightsPage ) {
+			$title = Title::newFromText( $wgRightsPage );
+			$link = Linker::linkKnown( $title, $wgRightsText );
+		} elseif ( $wgRightsUrl ) {
+			$link = Linker::makeExternalLink( $wgRightsUrl, $wgRightsText );
+		} elseif ( $wgRightsText ) {
+			$link = $wgRightsText;
+		} else {
+			# Give up now
+			return '';
+		}
+
+		// Allow for site and per-namespace customization of copyright notice.
+		// @todo Remove deprecated $forContent param from hook handlers and then remove here.
+		$forContent = true;
+
+		Hooks::run(
+			'SkinCopyrightFooter',
+			[ $this->getTitle(), $type, &$msg, &$link, &$forContent ]
+		);
+
+		return $this->msg( $msg )->rawParams( $link )->text();
+	}
+
+	/**
+	 * @return null|string
+	 */
+	function getCopyrightIcon() {
+		global $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgFooterIcons;
+
+		$out = '';
+
+		if ( $wgFooterIcons['copyright']['copyright'] ) {
+			$out = $wgFooterIcons['copyright']['copyright'];
+		} elseif ( $wgRightsIcon ) {
+			$icon = htmlspecialchars( $wgRightsIcon );
+
+			if ( $wgRightsUrl ) {
+				$url = htmlspecialchars( $wgRightsUrl );
+				$out .= '<a href="' . $url . '">';
+			}
+
+			$text = htmlspecialchars( $wgRightsText );
+			$out .= "<img src=\"$icon\" alt=\"$text\" width=\"88\" height=\"31\" />";
+
+			if ( $wgRightsUrl ) {
+				$out .= '</a>';
+			}
+		}
+
+		return $out;
+	}
+
+	/**
+	 * Gets the powered by MediaWiki icon.
+	 * @return string
+	 */
+	function getPoweredBy() {
+		global $wgResourceBasePath;
+
+		$url1 = htmlspecialchars(
+			"$wgResourceBasePath/resources/assets/poweredby_mediawiki_88x31.png"
+		);
+		$url1_5 = htmlspecialchars(
+			"$wgResourceBasePath/resources/assets/poweredby_mediawiki_132x47.png"
+		);
+		$url2 = htmlspecialchars(
+			"$wgResourceBasePath/resources/assets/poweredby_mediawiki_176x62.png"
+		);
+		$text = '<a href="//www.mediawiki.org/"><img src="' . $url1
+			. '" srcset="' . $url1_5 . ' 1.5x, ' . $url2 . ' 2x" '
+			. 'height="31" width="88" alt="Powered by MediaWiki" /></a>';
+		Hooks::run( 'SkinGetPoweredBy', [ &$text, $this ] );
+		return $text;
+	}
+
+	/**
+	 * Get the timestamp of the latest revision, formatted in user language
+	 *
+	 * @return string
+	 */
+	protected function lastModified() {
+		$timestamp = $this->getOutput()->getRevisionTimestamp();
+
+		# No cached timestamp, load it from the database
+		if ( $timestamp === null ) {
+			$timestamp = Revision::getTimestampFromId( $this->getTitle(), $this->getRevisionId() );
+		}
+
+		if ( $timestamp ) {
+			$d = $this->getLanguage()->userDate( $timestamp, $this->getUser() );
+			$t = $this->getLanguage()->userTime( $timestamp, $this->getUser() );
+			$s = ' ' . $this->msg( 'lastmodifiedat', $d, $t )->parse();
+		} else {
+			$s = '';
+		}
+
+		if ( wfGetLB()->getLaggedReplicaMode() ) {
+			$s .= ' <strong>' . $this->msg( 'laggedslavemode' )->parse() . '</strong>';
+		}
+
+		return $s;
+	}
+
+	/**
+	 * @param string $align
+	 * @return string
+	 */
+	function logoText( $align = '' ) {
+		if ( $align != '' ) {
+			$a = " style='float: {$align};'";
+		} else {
+			$a = '';
+		}
+
+		$mp = $this->msg( 'mainpage' )->escaped();
+		$mptitle = Title::newMainPage();
+		$url = ( is_object( $mptitle ) ? htmlspecialchars( $mptitle->getLocalURL() ) : '' );
+
+		$logourl = $this->getLogo();
+		$s = "<a href='{$url}'><img{$a} src='{$logourl}' alt='[{$mp}]' /></a>";
+
+		return $s;
+	}
+
+	/**
+	 * Renders a $wgFooterIcons icon according to the method's arguments
+	 * @param array $icon The icon to build the html for, see $wgFooterIcons
+	 *   for the format of this array.
+	 * @param bool|string $withImage Whether to use the icon's image or output
+	 *   a text-only footericon.
+	 * @return string HTML
+	 */
+	function makeFooterIcon( $icon, $withImage = 'withImage' ) {
+		if ( is_string( $icon ) ) {
+			$html = $icon;
+		} else { // Assuming array
+			$url = isset( $icon["url"] ) ? $icon["url"] : null;
+			unset( $icon["url"] );
+			if ( isset( $icon["src"] ) && $withImage === 'withImage' ) {
+				// do this the lazy way, just pass icon data as an attribute array
+				$html = Html::element( 'img', $icon );
+			} else {
+				$html = htmlspecialchars( $icon["alt"] );
+			}
+			if ( $url ) {
+				global $wgExternalLinkTarget;
+				$html = Html::rawElement( 'a',
+					[ "href" => $url, "target" => $wgExternalLinkTarget ],
+					$html );
+			}
+		}
+		return $html;
+	}
+
+	/**
+	 * Gets the link to the wiki's main page.
+	 * @return string
+	 */
+	function mainPageLink() {
+		$s = Linker::linkKnown(
+			Title::newMainPage(),
+			$this->msg( 'mainpage' )->escaped()
+		);
+
+		return $s;
+	}
+
+	/**
+	 * Returns an HTML link for use in the footer
+	 * @param string $desc The i18n message key for the link text
+	 * @param string $page The i18n message key for the page to link to
+	 * @return string HTML anchor
+	 */
+	public function footerLink( $desc, $page ) {
+		$title = $this->footerLinkTitle( $desc, $page );
+		if ( !$title ) {
+			return '';
+		}
+
+		return Linker::linkKnown(
+			$title,
+			$this->msg( $desc )->escaped()
+		);
+	}
+
+	/**
+	 * @param string $desc
+	 * @param string $page
+	 * @return Title|null
+	 */
+	private function footerLinkTitle( $desc, $page ) {
+		// If the link description has been set to "-" in the default language,
+		if ( $this->msg( $desc )->inContentLanguage()->isDisabled() ) {
+			// then it is disabled, for all languages.
+			return null;
+		}
+		// Otherwise, we display the link for the user, described in their
+		// language (which may or may not be the same as the default language),
+		// but we make the link target be the one site-wide page.
+		$title = Title::newFromText( $this->msg( $page )->inContentLanguage()->text() );
+
+		return $title ?: null;
+	}
+
+	/**
+	 * Gets the link to the wiki's privacy policy page.
+	 * @return string HTML
+	 */
+	function privacyLink() {
+		return $this->footerLink( 'privacy', 'privacypage' );
+	}
+
+	/**
+	 * Gets the link to the wiki's about page.
+	 * @return string HTML
+	 */
+	function aboutLink() {
+		return $this->footerLink( 'aboutsite', 'aboutpage' );
+	}
+
+	/**
+	 * Gets the link to the wiki's general disclaimers page.
+	 * @return string HTML
+	 */
+	function disclaimerLink() {
+		return $this->footerLink( 'disclaimers', 'disclaimerpage' );
+	}
+
+	/**
+	 * Return URL options for the 'edit page' link.
+	 * This may include an 'oldid' specifier, if the current page view is such.
+	 *
+	 * @return array
+	 * @private
+	 */
+	function editUrlOptions() {
+		$options = [ 'action' => 'edit' ];
+
+		if ( !$this->isRevisionCurrent() ) {
+			$options['oldid'] = intval( $this->getRevisionId() );
+		}
+
+		return $options;
+	}
+
+	/**
+	 * @param User|int $id
+	 * @return bool
+	 */
+	function showEmailUser( $id ) {
+		if ( $id instanceof User ) {
+			$targetUser = $id;
+		} else {
+			$targetUser = User::newFromId( $id );
+		}
+
+		# The sending user must have a confirmed email address and the receiving
+		# user must accept emails from the sender.
+		return $this->getUser()->canSendEmail()
+			&& SpecialEmailUser::validateTarget( $targetUser, $this->getUser() ) === '';
+	}
+
+	/**
+	 * Return a fully resolved style path url to images or styles stored in the current skins's folder.
+	 * This method returns a url resolved using the configured skin style path
+	 * and includes the style version inside of the url.
+	 *
+	 * Requires $stylename to be set, otherwise throws MWException.
+	 *
+	 * @param string $name The name or path of a skin resource file
+	 * @return string The fully resolved style path url including styleversion
+	 * @throws MWException
+	 */
+	function getSkinStylePath( $name ) {
+		global $wgStylePath, $wgStyleVersion;
+
+		if ( $this->stylename === null ) {
+			$class = static::class;
+			throw new MWException( "$class::\$stylename must be set to use getSkinStylePath()" );
+		}
+
+		return "$wgStylePath/{$this->stylename}/$name?$wgStyleVersion";
+	}
+
+	/* these are used extensively in SkinTemplate, but also some other places */
+
+	/**
+	 * @param string $urlaction
+	 * @return string
+	 */
+	static function makeMainPageUrl( $urlaction = '' ) {
+		$title = Title::newMainPage();
+		self::checkTitle( $title, '' );
+
+		return $title->getLocalURL( $urlaction );
+	}
+
+	/**
+	 * Make a URL for a Special Page using the given query and protocol.
+	 *
+	 * If $proto is set to null, make a local URL. Otherwise, make a full
+	 * URL with the protocol specified.
+	 *
+	 * @param string $name Name of the Special page
+	 * @param string $urlaction Query to append
+	 * @param string|null $proto Protocol to use or null for a local URL
+	 * @return string
+	 */
+	static function makeSpecialUrl( $name, $urlaction = '', $proto = null ) {
+		$title = SpecialPage::getSafeTitleFor( $name );
+		if ( is_null( $proto ) ) {
+			return $title->getLocalURL( $urlaction );
+		} else {
+			return $title->getFullURL( $urlaction, false, $proto );
+		}
+	}
+
+	/**
+	 * @param string $name
+	 * @param string $subpage
+	 * @param string $urlaction
+	 * @return string
+	 */
+	static function makeSpecialUrlSubpage( $name, $subpage, $urlaction = '' ) {
+		$title = SpecialPage::getSafeTitleFor( $name, $subpage );
+		return $title->getLocalURL( $urlaction );
+	}
+
+	/**
+	 * @param string $name
+	 * @param string $urlaction
+	 * @return string
+	 */
+	static function makeI18nUrl( $name, $urlaction = '' ) {
+		$title = Title::newFromText( wfMessage( $name )->inContentLanguage()->text() );
+		self::checkTitle( $title, $name );
+		return $title->getLocalURL( $urlaction );
+	}
+
+	/**
+	 * @param string $name
+	 * @param string $urlaction
+	 * @return string
+	 */
+	static function makeUrl( $name, $urlaction = '' ) {
+		$title = Title::newFromText( $name );
+		self::checkTitle( $title, $name );
+
+		return $title->getLocalURL( $urlaction );
+	}
+
+	/**
+	 * If url string starts with http, consider as external URL, else
+	 * internal
+	 * @param string $name
+	 * @return string URL
+	 */
+	static function makeInternalOrExternalUrl( $name ) {
+		if ( preg_match( '/^(?i:' . wfUrlProtocols() . ')/', $name ) ) {
+			return $name;
+		} else {
+			return self::makeUrl( $name );
+		}
+	}
+
+	/**
+	 * this can be passed the NS number as defined in Language.php
+	 * @param string $name
+	 * @param string $urlaction
+	 * @param int $namespace
+	 * @return string
+	 */
+	static function makeNSUrl( $name, $urlaction = '', $namespace = NS_MAIN ) {
+		$title = Title::makeTitleSafe( $namespace, $name );
+		self::checkTitle( $title, $name );
+
+		return $title->getLocalURL( $urlaction );
+	}
+
+	/**
+	 * these return an array with the 'href' and boolean 'exists'
+	 * @param string $name
+	 * @param string $urlaction
+	 * @return array
+	 */
+	static function makeUrlDetails( $name, $urlaction = '' ) {
+		$title = Title::newFromText( $name );
+		self::checkTitle( $title, $name );
+
+		return [
+			'href' => $title->getLocalURL( $urlaction ),
+			'exists' => $title->isKnown(),
+		];
+	}
+
+	/**
+	 * Make URL details where the article exists (or at least it's convenient to think so)
+	 * @param string $name Article name
+	 * @param string $urlaction
+	 * @return array
+	 */
+	static function makeKnownUrlDetails( $name, $urlaction = '' ) {
+		$title = Title::newFromText( $name );
+		self::checkTitle( $title, $name );
+
+		return [
+			'href' => $title->getLocalURL( $urlaction ),
+			'exists' => true
+		];
+	}
+
+	/**
+	 * make sure we have some title to operate on
+	 *
+	 * @param Title &$title
+	 * @param string $name
+	 */
+	static function checkTitle( &$title, $name ) {
+		if ( !is_object( $title ) ) {
+			$title = Title::newFromText( $name );
+			if ( !is_object( $title ) ) {
+				$title = Title::newFromText( '--error: link target missing--' );
+			}
+		}
+	}
+
+	/**
+	 * Build an array that represents the sidebar(s), the navigation bar among them.
+	 *
+	 * BaseTemplate::getSidebar can be used to simplify the format and id generation in new skins.
+	 *
+	 * The format of the returned array is [ heading => content, ... ], where:
+	 * - heading is the heading of a navigation portlet. It is either:
+	 *   - magic string to be handled by the skins ('SEARCH' / 'LANGUAGES' / 'TOOLBOX' / ...)
+	 *   - a message name (e.g. 'navigation'), the message should be HTML-escaped by the skin
+	 *   - plain text, which should be HTML-escaped by the skin
+	 * - content is the contents of the portlet. It is either:
+	 *   - HTML text (<ul><li>...</li>...</ul>)
+	 *   - array of link data in a format accepted by BaseTemplate::makeListItem()
+	 *   - (for a magic string as a key, any value)
+	 *
+	 * Note that extensions can control the sidebar contents using the SkinBuildSidebar hook
+	 * and can technically insert anything in here; skin creators are expected to handle
+	 * values described above.
+	 *
+	 * @return array
+	 */
+	function buildSidebar() {
+		global $wgEnableSidebarCache, $wgSidebarCacheExpiry;
+
+		$callback = function () {
+			$bar = [];
+			$this->addToSidebar( $bar, 'sidebar' );
+			Hooks::run( 'SkinBuildSidebar', [ $this, &$bar ] );
+
+			return $bar;
+		};
+
+		if ( $wgEnableSidebarCache ) {
+			$cache = MediaWikiServices::getInstance()->getMainWANObjectCache();
+			$sidebar = $cache->getWithSetCallback(
+				$cache->makeKey( 'sidebar', $this->getLanguage()->getCode() ),
+				MessageCache::singleton()->isDisabled()
+					? $cache::TTL_UNCACHEABLE // bug T133069
+					: $wgSidebarCacheExpiry,
+				$callback,
+				[ 'lockTSE' => 30 ]
+			);
+		} else {
+			$sidebar = $callback();
+		}
+
+		// Apply post-processing to the cached value
+		Hooks::run( 'SidebarBeforeOutput', [ $this, &$sidebar ] );
+
+		return $sidebar;
+	}
+
+	/**
+	 * Add content from a sidebar system message
+	 * Currently only used for MediaWiki:Sidebar (but may be used by Extensions)
+	 *
+	 * This is just a wrapper around addToSidebarPlain() for backwards compatibility
+	 *
+	 * @param array &$bar
+	 * @param string $message
+	 */
+	public function addToSidebar( &$bar, $message ) {
+		$this->addToSidebarPlain( $bar, wfMessage( $message )->inContentLanguage()->plain() );
+	}
+
+	/**
+	 * Add content from plain text
+	 * @since 1.17
+	 * @param array &$bar
+	 * @param string $text
+	 * @return array
+	 */
+	function addToSidebarPlain( &$bar, $text ) {
+		$lines = explode( "\n", $text );
+
+		$heading = '';
+		$messageTitle = $this->getConfig()->get( 'EnableSidebarCache' )
+			? Title::newMainPage() : $this->getTitle();
+
+		foreach ( $lines as $line ) {
+			if ( strpos( $line, '*' ) !== 0 ) {
+				continue;
+			}
+			$line = rtrim( $line, "\r" ); // for Windows compat
+
+			if ( strpos( $line, '**' ) !== 0 ) {
+				$heading = trim( $line, '* ' );
+				if ( !array_key_exists( $heading, $bar ) ) {
+					$bar[$heading] = [];
+				}
+			} else {
+				$line = trim( $line, '* ' );
+
+				if ( strpos( $line, '|' ) !== false ) { // sanity check
+					$line = MessageCache::singleton()->transform( $line, false, null, $messageTitle );
+					$line = array_map( 'trim', explode( '|', $line, 2 ) );
+					if ( count( $line ) !== 2 ) {
+						// Second sanity check, could be hit by people doing
+						// funky stuff with parserfuncs... (T35321)
+						continue;
+					}
+
+					$extraAttribs = [];
+
+					$msgLink = $this->msg( $line[0] )->title( $messageTitle )->inContentLanguage();
+					if ( $msgLink->exists() ) {
+						$link = $msgLink->text();
+						if ( $link == '-' ) {
+							continue;
+						}
+					} else {
+						$link = $line[0];
+					}
+					$msgText = $this->msg( $line[1] )->title( $messageTitle );
+					if ( $msgText->exists() ) {
+						$text = $msgText->text();
+					} else {
+						$text = $line[1];
+					}
+
+					if ( preg_match( '/^(?i:' . wfUrlProtocols() . ')/', $link ) ) {
+						$href = $link;
+
+						// Parser::getExternalLinkAttribs won't work here because of the Namespace things
+						global $wgNoFollowLinks, $wgNoFollowDomainExceptions;
+						if ( $wgNoFollowLinks && !wfMatchesDomainList( $href, $wgNoFollowDomainExceptions ) ) {
+							$extraAttribs['rel'] = 'nofollow';
+						}
+
+						global $wgExternalLinkTarget;
+						if ( $wgExternalLinkTarget ) {
+							$extraAttribs['target'] = $wgExternalLinkTarget;
+						}
+					} else {
+						$title = Title::newFromText( $link );
+
+						if ( $title ) {
+							$title = $title->fixSpecialName();
+							$href = $title->getLinkURL();
+						} else {
+							$href = 'INVALID-TITLE';
+						}
+					}
+
+					$bar[$heading][] = array_merge( [
+						'text' => $text,
+						'href' => $href,
+						'id' => Sanitizer::escapeIdForAttribute( 'n-' . strtr( $line[1], ' ', '-' ) ),
+						'active' => false,
+					], $extraAttribs );
+				} else {
+					continue;
+				}
+			}
+		}
+
+		return $bar;
+	}
+
+	/**
+	 * Gets new talk page messages for the current user and returns an
+	 * appropriate alert message (or an empty string if there are no messages)
+	 * @return string
+	 */
+	function getNewtalks() {
+		$newMessagesAlert = '';
+		$user = $this->getUser();
+		$newtalks = $user->getNewMessageLinks();
+		$out = $this->getOutput();
+
+		// Allow extensions to disable or modify the new messages alert
+		if ( !Hooks::run( 'GetNewMessagesAlert', [ &$newMessagesAlert, $newtalks, $user, $out ] ) ) {
+			return '';
+		}
+		if ( $newMessagesAlert ) {
+			return $newMessagesAlert;
+		}
+
+		if ( count( $newtalks ) == 1 && $newtalks[0]['wiki'] === wfWikiID() ) {
+			$uTalkTitle = $user->getTalkPage();
+			$lastSeenRev = isset( $newtalks[0]['rev'] ) ? $newtalks[0]['rev'] : null;
+			$nofAuthors = 0;
+			if ( $lastSeenRev !== null ) {
+				$plural = true; // Default if we have a last seen revision: if unknown, use plural
+				$latestRev = Revision::newFromTitle( $uTalkTitle, false, Revision::READ_NORMAL );
+				if ( $latestRev !== null ) {
+					// Singular if only 1 unseen revision, plural if several unseen revisions.
+					$plural = $latestRev->getParentId() !== $lastSeenRev->getId();
+					$nofAuthors = $uTalkTitle->countAuthorsBetween(
+						$lastSeenRev, $latestRev, 10, 'include_new' );
+				}
+			} else {
+				// Singular if no revision -> diff link will show latest change only in any case
+				$plural = false;
+			}
+			$plural = $plural ? 999 : 1;
+			// 999 signifies "more than one revision". We don't know how many, and even if we did,
+			// the number of revisions or authors is not necessarily the same as the number of
+			// "messages".
+			$newMessagesLink = Linker::linkKnown(
+				$uTalkTitle,
+				$this->msg( 'newmessageslinkplural' )->params( $plural )->escaped(),
+				[],
+				[ 'redirect' => 'no' ]
+			);
+
+			$newMessagesDiffLink = Linker::linkKnown(
+				$uTalkTitle,
+				$this->msg( 'newmessagesdifflinkplural' )->params( $plural )->escaped(),
+				[],
+				$lastSeenRev !== null
+					? [ 'oldid' => $lastSeenRev->getId(), 'diff' => 'cur' ]
+					: [ 'diff' => 'cur' ]
+			);
+
+			if ( $nofAuthors >= 1 && $nofAuthors <= 10 ) {
+				$newMessagesAlert = $this->msg(
+					'youhavenewmessagesfromusers',
+					$newMessagesLink,
+					$newMessagesDiffLink
+				)->numParams( $nofAuthors, $plural );
+			} else {
+				// $nofAuthors === 11 signifies "11 or more" ("more than 10")
+				$newMessagesAlert = $this->msg(
+					$nofAuthors > 10 ? 'youhavenewmessagesmanyusers' : 'youhavenewmessages',
+					$newMessagesLink,
+					$newMessagesDiffLink
+				)->numParams( $plural );
+			}
+			$newMessagesAlert = $newMessagesAlert->text();
+			# Disable CDN cache
+			$out->setCdnMaxage( 0 );
+		} elseif ( count( $newtalks ) ) {
+			$sep = $this->msg( 'newtalkseparator' )->escaped();
+			$msgs = [];
+
+			foreach ( $newtalks as $newtalk ) {
+				$msgs[] = Xml::element(
+					'a',
+					[ 'href' => $newtalk['link'] ], $newtalk['wiki']
+				);
+			}
+			$parts = implode( $sep, $msgs );
+			$newMessagesAlert = $this->msg( 'youhavenewmessagesmulti' )->rawParams( $parts )->escaped();
+			$out->setCdnMaxage( 0 );
+		}
+
+		return $newMessagesAlert;
+	}
+
+	/**
+	 * Get a cached notice
+	 *
+	 * @param string $name Message name, or 'default' for $wgSiteNotice
+	 * @return string|bool HTML fragment, or false to indicate that the caller
+	 *   should fall back to the next notice in its sequence
+	 */
+	private function getCachedNotice( $name ) {
+		global $wgRenderHashAppend, $wgContLang;
+
+		$needParse = false;
+
+		if ( $name === 'default' ) {
+			// special case
+			global $wgSiteNotice;
+			$notice = $wgSiteNotice;
+			if ( empty( $notice ) ) {
+				return false;
+			}
+		} else {
+			$msg = $this->msg( $name )->inContentLanguage();
+			if ( $msg->isBlank() ) {
+				return '';
+			} elseif ( $msg->isDisabled() ) {
+				return false;
+			}
+			$notice = $msg->plain();
+		}
+
+		$cache = MediaWikiServices::getInstance()->getMainWANObjectCache();
+		$parsed = $cache->getWithSetCallback(
+			// Use the extra hash appender to let eg SSL variants separately cache
+			// Key is verified with md5 hash of unparsed wikitext
+			$cache->makeKey( $name, $wgRenderHashAppend, md5( $notice ) ),
+			// TTL in seconds
+			600,
+			function () use ( $notice ) {
+				return $this->getOutput()->parse( $notice );
+			}
+		);
+
+		return Html::rawElement(
+			'div',
+			[
+				'id' => 'localNotice',
+				'lang' => $wgContLang->getHtmlCode(),
+				'dir' => $wgContLang->getDir()
+			],
+			$parsed
+		);
+	}
+
+	/**
+	 * Get the site notice
+	 *
+	 * @return string HTML fragment
+	 */
+	function getSiteNotice() {
+		$siteNotice = '';
+
+		if ( Hooks::run( 'SiteNoticeBefore', [ &$siteNotice, $this ] ) ) {
+			if ( is_object( $this->getUser() ) && $this->getUser()->isLoggedIn() ) {
+				$siteNotice = $this->getCachedNotice( 'sitenotice' );
+			} else {
+				$anonNotice = $this->getCachedNotice( 'anonnotice' );
+				if ( $anonNotice === false ) {
+					$siteNotice = $this->getCachedNotice( 'sitenotice' );
+				} else {
+					$siteNotice = $anonNotice;
+				}
+			}
+			if ( $siteNotice === false ) {
+				$siteNotice = $this->getCachedNotice( 'default' );
+			}
+		}
+
+		Hooks::run( 'SiteNoticeAfter', [ &$siteNotice, $this ] );
+		return $siteNotice;
+	}
+
+	/**
+	 * Create a section edit link.  This supersedes editSectionLink() and
+	 * editSectionLinkForOther().
+	 *
+	 * @param Title $nt The title being linked to (may not be the same as
+	 *   the current page, if the section is included from a template)
+	 * @param string $section The designation of the section being pointed to,
+	 *   to be included in the link, like "&section=$section"
+	 * @param string $tooltip The tooltip to use for the link: will be escaped
+	 *   and wrapped in the 'editsectionhint' message
+	 * @param string $lang Language code
+	 * @return string HTML to use for edit link
+	 */
+	public function doEditSectionLink( Title $nt, $section, $tooltip = null, $lang = false ) {
+		// HTML generated here should probably have userlangattributes
+		// added to it for LTR text on RTL pages
+
+		$lang = wfGetLangObj( $lang );
+
+		$attribs = [];
+		if ( !is_null( $tooltip ) ) {
+			$attribs['title'] = wfMessage( 'editsectionhint' )->rawParams( $tooltip )
+				->inLanguage( $lang )->text();
+		}
+
+		$links = [
+			'editsection' => [
+				'text' => wfMessage( 'editsection' )->inLanguage( $lang )->escaped(),
+				'targetTitle' => $nt,
+				'attribs' => $attribs,
+				'query' => [ 'action' => 'edit', 'section' => $section ],
+				'options' => [ 'noclasses', 'known' ]
+			]
+		];
+
+		Hooks::run( 'SkinEditSectionLinks', [ $this, $nt, $section, $tooltip, &$links, $lang ] );
+
+		$result = '<span class="mw-editsection"><span class="mw-editsection-bracket">[</span>';
+
+		$linksHtml = [];
+		foreach ( $links as $k => $linkDetails ) {
+			$linksHtml[] = Linker::link(
+				$linkDetails['targetTitle'],
+				$linkDetails['text'],
+				$linkDetails['attribs'],
+				$linkDetails['query'],
+				$linkDetails['options']
+			);
+		}
+
+		$result .= implode(
+			'<span class="mw-editsection-divider">'
+				. wfMessage( 'pipe-separator' )->inLanguage( $lang )->escaped()
+				. '</span>',
+			$linksHtml
+		);
+
+		$result .= '<span class="mw-editsection-bracket">]</span></span>';
+		// Deprecated, use SkinEditSectionLinks hook instead
+		Hooks::run(
+			'DoEditSectionLink',
+			[ $this, $nt, $section, $tooltip, &$result, $lang ],
+			'1.25'
+		);
+		return $result;
+	}
+
+}