Merge "Use MediaWikiServices to cache commonly used helpers"

includes/ServiceWiring.php

@@ -0,0 +1,13 @@
+<?php
+
+use MediaWiki\MediaWikiServices;
+use MediaWiki\Minerva\SkinUserPageHelper;
+
+return [
+	'Minerva.ContentHandler' => function ( MediaWikiServices $services ) {
+		return ContentHandler::getForTitle( RequestContext::getMain()->getTitle() );
+	},
+	'Minerva.SkinUserPageHelper' => function ( MediaWikiServices $services ) {
+		return new SkinUserPageHelper( RequestContext::getMain()->getTitle() );
+	}
+];

includes/skins/SkinMinerva.php

@@ -20,7 +20,6 @@
 
 use MediaWiki\Minerva\MenuBuilder;
 use MediaWiki\MediaWikiServices;
-use MediaWiki\Minerva\SkinUserPageHelper;
 
 /**
  * Minerva: Born from the godhead of Jupiter with weapons!
@@ -48,12 +47,9 @@ class SkinMinerva extends SkinTemplate {
 	public $skinname = 'minerva';
 	/** @var string $template Name of this used template */
 	public $template = 'MinervaTemplate';
-	/** @var ContentHandler Content handler of page; only access through getContentHandler */
-	protected $contentHandler = null;
+
 	/** @var bool Whether the page is also available in other languages or variants */
 	protected $doesPageHaveLanguages = false;
-	/** @var SkinUserPageHelper Helper class for UserPage handling */
-	protected $userPageHelper;
 
 	/**
 	 * Returns the site name for the footer, either as a text or <img> tag
@@ -310,19 +306,6 @@ class SkinMinerva extends SkinTemplate {
 		return '';
 	}
 
-	/**
-	 * Gets content handler of current title
-	 *
-	 * @return ContentHandler
-	 */
-	protected function getContentHandler() {
-		if ( $this->contentHandler === null ) {
-			$this->contentHandler = ContentHandler::getForTitle( $this->getTitle() );
-		}
-
-		return $this->contentHandler;
-	}
-
 	/**
 	 * Takes a title and returns classes to apply to the body tag
 	 * @param Title $title
@@ -378,10 +361,7 @@ class SkinMinerva extends SkinTemplate {
 	 * @return SkinUserPageHelper
 	 */
 	public function getUserPageHelper() {
-		if ( $this->userPageHelper === null ) {
-			$this->userPageHelper = new SkinUserPageHelper( $this->getContext()->getTitle() );
-		}
-		return $this->userPageHelper;
+		return MediaWikiServices::getInstance()->getService( 'Minerva.SkinUserPageHelper' );
 	}
 
 	/**
@@ -1296,7 +1276,8 @@ class SkinMinerva extends SkinTemplate {
 	 * @return bool
 	 */
 	protected function isCurrentPageContentModelEditable() {
-		$contentHandler = $this->getContentHandler();
+		$contentHandler = MediaWikiServices::getInstance()
+			->getService( 'Minerva.ContentHandler' );
 
 		return $contentHandler->supportsDirectEditing()
 			&& $contentHandler->supportsDirectApiEditing();

skin.json

@@ -548,5 +548,8 @@
 			]
 		}
 	},
+	"ServiceWiringFiles": [
+		"includes/ServiceWiring.php"
+	],
 	"manifest_version": 1
 }

tests/phpunit/skins/SkinMinervaPageActionsTest.php

@@ -6,28 +6,21 @@ use SkinMinerva;
 use MediaWikiTestCase;
 use Title;
 use RequestContext;
-use ContentHandler;
 use MediaWiki\Minerva\SkinUserPageHelper;
 
 // FIXME: That this class exists is an indicator that at least SkinMinerva#isAllowedPageAction
 // should be extracted from SkinMinerva.
 // phpcs:ignore MediaWiki.Files.ClassMatchesFilename.NotMatch
 class TestSkinMinerva extends SkinMinerva {
+
 	public function isAllowedPageAction( $action ) {
 		return parent::isAllowedPageAction( $action );
 	}
 
-	public function setContentHandler( ContentHandler $contentHandler ) {
-		$this->contentHandler = $contentHandler;
-	}
-
 	public function setDoesPageHaveLanguages( $doesPageHaveLanguages ) {
 		$this->doesPageHaveLanguages = $doesPageHaveLanguages;
 	}
 
-	public function overWriteUserPageHelper( $helper ) {
-		$this->userPageHelper = $helper;
-	}
 }
 
 /**
@@ -51,7 +44,7 @@ class SkinMinervaPageActionsTest extends MediaWikiTestCase {
 	 * @return TestSkinMinerva
 	 */
 	private function getSkin( Title $title ) {
-		$requestContext = new RequestContext();
+		$requestContext = RequestContext::getMain();
 		$requestContext->setTitle( $title );
 
 		$result = new TestSkinMinerva();
@@ -122,7 +115,7 @@ class SkinMinervaPageActionsTest extends MediaWikiTestCase {
 		$contentHandler->method( 'supportsDirectApiEditing' )
 			->will( $this->returnValue( $supportsDirectApiEditing ) );
 
-		$this->skin->setContentHandler( $contentHandler );
+		$this->setService( 'Minerva.ContentHandler', $contentHandler );
 
 		$this->assertEquals( $expected, $this->skin->isAllowedPageAction( 'edit' ) );
 	}
@@ -140,7 +133,8 @@ class SkinMinervaPageActionsTest extends MediaWikiTestCase {
 			->willReturn( true );
 
 		$skin = $this->getSkin( Title::newFromText( 'User:Admin' ) );
-		$skin->overWriteUserPageHelper( $userPageHelper );
+
+		$this->setService( 'Minerva.SkinUserPageHelper', $userPageHelper );
 
 		$this->assertFalse( $skin->isAllowedPageAction( 'talk' ) );
 	}
@@ -158,7 +152,7 @@ class SkinMinervaPageActionsTest extends MediaWikiTestCase {
 			->willReturn( false );
 
 		$skin = $this->getSkin( Title::newFromText( 'User:Admin' ) );
-		$skin->overWriteUserPageHelper( $userPageHelper );
+		$this->setService( 'Minerva.SkinUserPageHelper', $userPageHelper );
 
 		$this->assertTrue( $skin->isAllowedPageAction( 'talk' ) );
 	}