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| 1 | <?php |
| 2 | declare( strict_types = 1 ); |
| 3 | |
| 4 | namespace ContentTranslation\HookHandler; |
| 5 | |
| 6 | use MediaWiki\Config\Config; |
| 7 | use MediaWiki\Config\ConfigFactory; |
| 8 | use MediaWiki\Context\IContextSource; |
| 9 | use MediaWiki\Extension\Disambiguator\Lookup; |
| 10 | use MediaWiki\Hook\SkinAfterContentHook; |
| 11 | use MediaWiki\Html\Html; |
| 12 | use MediaWiki\Language\Language; |
| 13 | use MediaWiki\Output\Hook\BeforePageDisplayHook; |
| 14 | use MediaWiki\Title\Title; |
| 15 | use Skin; |
| 16 | |
| 17 | /** |
| 18 | * Hook handler that registers the "ext.ax.articlefooter.entrypoint" RL module, when the |
| 19 | * appropriate conditions are met. |
| 20 | * |
| 21 | * @author Nik Gkountas |
| 22 | * @license GPL-2.0-or-later |
| 23 | * @since 2024.07 |
| 24 | */ |
| 25 | class AxArticleFooterEntrypointRegistrationHandler implements BeforePageDisplayHook, SkinAfterContentHook { |
| 26 | |
| 27 | private const ALLOWED_SKINS = [ 'minerva' ]; |
| 28 | private Config $contentTranslationConfig; |
| 29 | private Language $contentLanguage; |
| 30 | |
| 31 | /** |
| 32 | * Either a Lookup from the Disambiguator extension, or null if that is not installed |
| 33 | */ |
| 34 | private ?Lookup $disambiguatorLookup; |
| 35 | |
| 36 | public function __construct( |
| 37 | ConfigFactory $configFactory, |
| 38 | Language $contentLanguage, |
| 39 | ?Lookup $disambiguatorLookup |
| 40 | ) { |
| 41 | $this->contentTranslationConfig = $configFactory->makeConfig( 'ArticleFooterEntrypoint' ); |
| 42 | $this->disambiguatorLookup = $disambiguatorLookup; |
| 43 | $this->contentLanguage = $contentLanguage; |
| 44 | } |
| 45 | |
| 46 | private function isEntrypointAllowedOnSkin( Skin $skin ): bool { |
| 47 | $skinName = $skin->getSkinName(); |
| 48 | |
| 49 | return in_array( $skinName, self::ALLOWED_SKINS ); |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * Check whether the output page is a diff page |
| 54 | * |
| 55 | * @param IContextSource $context |
| 56 | * @return bool |
| 57 | */ |
| 58 | private static function isDiffPage( IContextSource $context ): bool { |
| 59 | $request = $context->getRequest(); |
| 60 | $type = $request->getRawVal( 'type' ); |
| 61 | $diff = $request->getCheck( 'diff' ); |
| 62 | $oldId = $request->getCheck( 'oldid' ); |
| 63 | |
| 64 | return $type === 'revision' || $diff || $oldId; |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Uses the Disambiguator extension to test whether the page is a disambiguation page. |
| 69 | * |
| 70 | * If the Disambiguator extension isn't installed, then the test always fails, i.e. the page is |
| 71 | * never a disambiguation page. |
| 72 | * |
| 73 | * @param Title $title |
| 74 | * @return bool |
| 75 | */ |
| 76 | private function isDisambiguationPage( Title $title ): bool { |
| 77 | return $this->disambiguatorLookup && $this->disambiguatorLookup->isDisambiguationPage( $title ); |
| 78 | } |
| 79 | |
| 80 | private function shouldDisplayFooterEntrypoint( Skin $skin ): bool { |
| 81 | $title = $skin->getTitle(); |
| 82 | $action = $skin->getRequest()->getRawVal( 'action' ) ?? 'view'; |
| 83 | |
| 84 | $enabledLanguages = $this->contentTranslationConfig->get( |
| 85 | 'AutomaticTranslationLanguageSearcherEntrypointEnabledLanguages' |
| 86 | ) ?? []; |
| 87 | |
| 88 | return in_array( $this->contentLanguage->getCode(), $enabledLanguages ) && |
| 89 | $title->inNamespace( NS_MAIN ) && |
| 90 | $action === 'view' && |
| 91 | !$title->isMainPage() && |
| 92 | $title->exists() && |
| 93 | !self::isDiffPage( $skin ) && |
| 94 | !$this->isDisambiguationPage( $title ) && |
| 95 | $this->isEntrypointAllowedOnSkin( $skin ); |
| 96 | } |
| 97 | |
| 98 | public function onSkinAfterContent( &$data, $skin ) { |
| 99 | if ( $this->shouldDisplayFooterEntrypoint( $skin ) ) { |
| 100 | $data .= Html::element( 'div', [ 'class' => 'automatic-translation-entrypoint-container' ] ); |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | public function onBeforePageDisplay( $out, $skin ): void { |
| 105 | if ( $this->shouldDisplayFooterEntrypoint( $skin ) ) { |
| 106 | $out->addModules( [ 'ext.ax.articlefooter.entrypoint' ] ); |
| 107 | } |
| 108 | } |
| 109 | } |