412 lines
13 KiB
PHP
412 lines
13 KiB
PHP
<?php
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/**
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* Vector - Modern version of MonoBook with fresh look and many usability
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* improvements.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup Skins
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*/
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use MediaWiki\MediaWikiServices;
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use Vector\Constants;
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use Vector\VectorServices;
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/**
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* Skin subclass for Vector
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* @ingroup Skins
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* Skins extending SkinVector are not supported
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* @package Vector
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* @internal
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*/
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class SkinVector extends SkinMustache {
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/** @var null|array for caching purposes */
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private $languages;
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/** @var int */
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private const MENU_TYPE_DEFAULT = 0;
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/** @var int */
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private const MENU_TYPE_TABS = 1;
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/** @var int */
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private const MENU_TYPE_DROPDOWN = 2;
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private const MENU_TYPE_PORTAL = 3;
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/**
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* T243281: Code used to track clicks to opt-out link.
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*
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* The "vct" substring is used to describe the newest "Vector" (non-legacy)
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* feature. The "w" describes the web platform. The "1" describes the version
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* of the feature.
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*
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* @see https://wikitech.wikimedia.org/wiki/Provenance
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* @var string
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*/
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private const OPT_OUT_LINK_TRACKING_CODE = 'vctw1';
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/**
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* Whether or not the legacy version of the skin is being used.
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*
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* @return bool
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*/
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private function isLegacy() : bool {
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$isLatestSkinFeatureEnabled = MediaWikiServices::getInstance()
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->getService( Constants::SERVICE_FEATURE_MANAGER )
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->isFeatureEnabled( Constants::FEATURE_LATEST_SKIN );
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return !$isLatestSkinFeatureEnabled;
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}
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/**
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* Overrides template, styles and scripts module when skin operates
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* in legacy mode.
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*
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* @inheritDoc
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* @param array|null $options Note; this param is only optional for internal purpose.
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* Do not instantiate Vector, use SkinFactory to create the object instead.
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* If you absolutely must to, this paramater is required; you have to provide the
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* skinname with the `name` key. That's do it with `new SkinVector( ['name' => 'vector'] )`.
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* Failure to do that, will lead to fatal exception.
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*/
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public function __construct( $options = [] ) {
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if ( $this->isLegacy() ) {
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$options['scripts'] = [ 'skins.vector.legacy.js' ];
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$options['styles'] = [ 'skins.vector.styles.legacy' ];
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$options['template'] = 'skin-legacy';
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} else {
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// For historic reasons, the viewport is added when Vector is loaded on the mobile
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// domain. This is only possible for 3rd parties or by useskin parameter as there is
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// no preference for changing mobile skin.
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$responsive = $this->getConfig()->get( 'VectorResponsive' );
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if ( ExtensionRegistry::getInstance()->isLoaded( 'MobileFrontend' ) ) {
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$mobFrontContext = MediaWikiServices::getInstance()->getService( 'MobileFrontend.Context' );
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if ( $mobFrontContext->shouldDisplayMobileView() ) {
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$responsive = true;
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}
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}
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$options['responsive'] = $responsive;
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}
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$options['templateDirectory'] = __DIR__ . '/templates';
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parent::__construct( $options );
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}
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/**
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* Calls getLanguages with caching.
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* @return array
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*/
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private function getLanguagesCached() : array {
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if ( $this->languages !== null ) {
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return $this->languages;
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}
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$this->languages = $this->getLanguages();
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return $this->languages;
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}
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/**
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* This should be upstreamed to the Skin class in core once the logic is finalized.
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* Returns false if the page is a special page without any languages, or if an action
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* other than view is being used.
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* @return bool
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*/
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private function canHaveLanguages() : bool {
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$action = Action::getActionName( $this->getContext() );
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if ( $action !== 'view' ) {
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return false;
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}
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$title = $this->getTitle();
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// Defensive programming - if a special page has added languages explicitly, best to show it.
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if ( $title && $title->isSpecialPage() && empty( $this->getLanguagesCached() ) ) {
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return false;
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}
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return true;
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}
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/**
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* @return bool
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*/
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private function isLanguagesInHeader() {
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$featureManager = VectorServices::getFeatureManager();
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// Disable button on pages without languages (based on Wikibase RepoItemLinkGenerator class)
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return $this->canHaveLanguages() && $featureManager->isFeatureEnabled(
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Constants::FEATURE_LANGUAGE_IN_HEADER
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);
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}
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/**
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* If in modern Vector and no languages possible, OR the languages in header button
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* is enabled but language array is empty, then we shouldn't show the langauge list.
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* @return bool
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*/
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private function shouldHideLanguages() {
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return !$this->isLegacy() &&
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!$this->canHaveLanguages() ||
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// NOTE: T276950 - This should be revisited when an empty state for the language button is chosen.
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( $this->isLanguagesInHeader() && empty( $this->getLanguagesCached() ) );
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}
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/**
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* If in modern Vector and the config is set to consolidate user links, enable user link consolidation.
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* @return bool
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*/
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private function shouldConsolidateUserLinks() {
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$featureManager = VectorServices::getFeatureManager();
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return !$this->isLegacy() &&
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$featureManager->isFeatureEnabled(
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Constants::FEATURE_CONSOLIDATE_USER_LINKS
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);
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}
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/**
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* @inheritDoc
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*/
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public function getTemplateData() : array {
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$contentNavigation = $this->buildContentNavigationUrls();
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$skin = $this;
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$out = $skin->getOutput();
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$title = $out->getTitle();
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$parentData = parent::getTemplateData();
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if ( $this->shouldHideLanguages() ) {
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$parentData['data-portlets']['data-languages'] = null;
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}
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// Naming conventions for Mustache parameters.
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//
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// Value type (first segment):
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// - Prefix "is" or "has" for boolean values.
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// - Prefix "msg-" for interface message text.
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// - Prefix "html-" for raw HTML.
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// - Prefix "data-" for an array of template parameters that should be passed directly
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// to a template partial.
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// - Prefix "array-" for lists of any values.
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//
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// Source of value (first or second segment)
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// - Segment "page-" for data relating to the current page (e.g. Title, WikiPage, or OutputPage).
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// - Segment "hook-" for any thing generated from a hook.
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// It should be followed by the name of the hook in hyphenated lowercase.
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//
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// Conditionally used values must use null to indicate absence (not false or '').
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$commonSkinData = array_merge( $parentData, [
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'is-consolidated-user-links' => $this->shouldConsolidateUserLinks(),
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'page-isarticle' => (bool)$out->isArticle(),
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'is-mainpage' => $title->isMainPage(),
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// Remember that the string '0' is a valid title.
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// From OutputPage::getPageTitle, via ::setPageTitle().
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'html-title' => $out->getPageTitle(),
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'html-categories' => $skin->getCategories(),
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'input-location' => $this->getSearchBoxInputLocation(),
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'sidebar-visible' => $this->isSidebarVisible(),
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'is-language-in-header' => $this->isLanguagesInHeader(),
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'should-search-expand' => $this->shouldSearchExpand(),
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] );
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if ( $skin->getUser()->isRegistered() ) {
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// Note: This data is also passed to legacy template where it is unused.
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$commonSkinData['data-emphasized-sidebar-action'] = [
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'href' => SpecialPage::getTitleFor(
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'Preferences',
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false,
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'mw-prefsection-rendering-skin-skin-prefs'
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)->getLinkURL( 'wprov=' . self::OPT_OUT_LINK_TRACKING_CODE ),
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];
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}
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return $commonSkinData;
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}
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/**
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* Gets the value of the "input-location" parameter for the SearchBox Mustache template.
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*
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* @return string Either `Constants::SEARCH_BOX_INPUT_LOCATION_DEFAULT` or
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* `Constants::SEARCH_BOX_INPUT_LOCATION_MOVED`
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*/
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private function getSearchBoxInputLocation() : string {
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if ( $this->isLegacy() ) {
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return Constants::SEARCH_BOX_INPUT_LOCATION_DEFAULT;
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}
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return Constants::SEARCH_BOX_INPUT_LOCATION_MOVED;
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}
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/**
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* Determines whether or not the search input should expand when focused
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* before WVUI search is loaded. In WVUI, the search input expands to
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* accomodate thumbnails in the suggestion list. When thumbnails are
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* disabled, the input should not expand. Note this is only relevant for WVUI
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* search (not legacy search).
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*
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* @return bool
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*/
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private function shouldSearchExpand() : bool {
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$featureManager = VectorServices::getFeatureManager();
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return $featureManager->isFeatureEnabled( Constants::FEATURE_USE_WVUI_SEARCH ) &&
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$this->getConfig()->get( 'VectorWvuiSearchOptions' )['showThumbnail'];
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}
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/**
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* Determines wheather the initial state of sidebar is visible on not
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*
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* @return bool
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*/
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private function isSidebarVisible() {
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$skin = $this->getSkin();
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if ( $skin->getUser()->isRegistered() ) {
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$userPrefSidebarState = $skin->getUser()->getOption(
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Constants::PREF_KEY_SIDEBAR_VISIBLE
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);
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$defaultLoggedinSidebarState = $this->getConfig()->get(
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Constants::CONFIG_KEY_DEFAULT_SIDEBAR_VISIBLE_FOR_AUTHORISED_USER
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);
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// If the sidebar user preference has been set, return that value,
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// if not, then the default sidebar state for logged-in users.
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return ( $userPrefSidebarState !== null )
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? (bool)$userPrefSidebarState
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: $defaultLoggedinSidebarState;
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}
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return $this->getConfig()->get(
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Constants::CONFIG_KEY_DEFAULT_SIDEBAR_VISIBLE_FOR_ANONYMOUS_USER
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);
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}
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/**
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* Combines class and other HTML data required to create the button
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* for the languages in header feature with the existing language portletData.
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*
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* @param array $portletData returned by SkinMustache
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* @return array enhanced $portletData
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*/
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private function createULSLanguageButton( $portletData ) {
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$languageButtonData = [
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'id' => 'p-lang-btn',
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'label' => $this->msg(
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'vector-language-button-label',
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count( $this->getLanguagesCached() )
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)->parse(),
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'heading-class' =>
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' vector-menu-heading ' .
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' mw-ui-icon ' .
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' mw-ui-icon-before ' .
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' mw-ui-icon-wikimedia-language ' .
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' mw-ui-button mw-ui-quiet ' .
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// ext.uls.interface attaches click handler to this selector.
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' mw-interlanguage-selector ',
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];
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return array_merge( $portletData, $languageButtonData );
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}
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/**
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* helper for applying Vector menu classes to portlets
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* @param array $portletData returned by SkinMustache to decorate
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* @param int $type representing one of the menu types (see MENU_TYPE_* constants)
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* @return array modified version of portletData input
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*/
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private function decoratePortletClass(
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array $portletData,
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int $type = self::MENU_TYPE_DEFAULT
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) {
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$extraClasses = [
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self::MENU_TYPE_DROPDOWN => 'vector-menu vector-menu-dropdown',
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self::MENU_TYPE_TABS => 'vector-menu vector-menu-tabs',
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self::MENU_TYPE_PORTAL => 'vector-menu vector-menu-portal portal',
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self::MENU_TYPE_DEFAULT => 'vector-menu',
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];
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$portletData['heading-class'] = 'vector-menu-heading';
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// Add target class to apply different icon to personal menu dropdown for logged in users.
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if ( $portletData['id'] === 'p-personal' && $this->shouldConsolidateUserLinks() &&
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!$this->getUser()->isAnon()
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) {
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$portletData['heading-class'] .= ' mw-portlet-personal-page__heading--auth';
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// Replace dropdown arrow with ellipsis icon if feature flag is enabled and user is logged in.
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$portletData['heading-class'] .= ' mw-ui-icon mw-ui-icon-element mw-ui-icon-wikimedia-ellipsis';
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}
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if ( $portletData['id'] === 'p-lang' && $this->isLanguagesInHeader() ) {
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$portletData = $this->createULSLanguageButton( $portletData );
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}
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$class = $portletData['class'];
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$portletData['class'] = trim( "$class $extraClasses[$type]" );
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return $portletData;
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}
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/**
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* @inheritDoc
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* @return array
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*/
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protected function getPortletData(
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$label,
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array $urls = []
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) : array {
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switch ( $label ) {
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case 'user-menu':
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$type = $this->shouldConsolidateUserLinks() && $this->getUser()->isRegistered() ?
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self::MENU_TYPE_DROPDOWN : self::MENU_TYPE_DEFAULT;
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break;
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case 'actions':
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case 'variants':
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$type = self::MENU_TYPE_DROPDOWN;
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break;
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case 'views':
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case 'namespaces':
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$type = self::MENU_TYPE_TABS;
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break;
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case 'notifications':
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case 'personal':
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case 'user-page':
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$type = self::MENU_TYPE_DEFAULT;
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break;
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case 'lang':
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$type = $this->isLanguagesInHeader() ?
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self::MENU_TYPE_DROPDOWN : self::MENU_TYPE_PORTAL;
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break;
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default:
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$type = self::MENU_TYPE_PORTAL;
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break;
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}
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$portletData = $this->decoratePortletClass(
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parent::getPortletData( $label, $urls ),
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$type
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);
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// Special casing for Variant to change label to selected.
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// Hopefully we can revisit and possibly remove this code when the language switcher is moved.
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if ( $label === 'variants' ) {
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foreach ( $urls as $key => $item ) {
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// Check the class of the item for a `selected` class and if so, propagate the items
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// label to the main label.
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if ( isset( $item['class'] ) && stripos( $item['class'], 'selected' ) !== false ) {
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$portletData['label'] = $item['text'];
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}
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}
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}
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return $portletData + [
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'is-dropdown' => $type === self::MENU_TYPE_DROPDOWN,
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];
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}
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}
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