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<?php
/**
* 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
* @author Kunal Mehta
*/
namespace MediaWiki\ResourceLoader;
use MediaWiki\MediaWikiServices;
use MediaWiki\Request\WebRequest;
use MediaWiki\User\User;
use MediaWiki\User\UserIdentity;
use MediaWiki\User\UserRigorOptions;
/**
* A mutable version of Context.
*
* Allows changing specific properties of a context object,
* without changing the main one. Inspired by MediaWiki's DerivativeContext.
*
* @ingroup ResourceLoader
* @since 1.24
*/
class DerivativeContext extends Context {
private const INHERIT_VALUE = -1;
/**
* @var Context
*/
private $context;
/** @var int|string[] */
protected $modules = self::INHERIT_VALUE;
/** @var int|string */
protected $language = self::INHERIT_VALUE;
/** @var int|string|null */
protected $direction = self::INHERIT_VALUE;
/** @var int|string */
protected $skin = self::INHERIT_VALUE;
/** @var int|string|null */
protected $user = self::INHERIT_VALUE;
/** @var int|UserIdentity|null|false */
protected $userIdentity = self::INHERIT_VALUE;
/** @var int|User|null */
protected $userObj = self::INHERIT_VALUE;
/** @var int */
protected $debug = self::INHERIT_VALUE;
/** @var int|string|null */
protected $only = self::INHERIT_VALUE;
/** @var int|string|null */
protected $version = self::INHERIT_VALUE;
/** @var int|bool */
protected $raw = self::INHERIT_VALUE;
/** @var int|bool */
protected $sourcemap = self::INHERIT_VALUE;
/** @var int|callable|null */
protected $contentOverrideCallback = self::INHERIT_VALUE;
public function __construct( Context $context ) {
$this->context = $context;
}
public function getModules(): array {
if ( $this->modules === self::INHERIT_VALUE ) {
return $this->context->getModules();
}
return $this->modules;
}
/**
* @param string[] $modules
*/
public function setModules( array $modules ) {
$this->modules = $modules;
}
public function getLanguage(): string {
if ( $this->language === self::INHERIT_VALUE ) {
return $this->context->getLanguage();
}
return $this->language;
}
public function setLanguage( string $language ) {
$this->language = $language;
// Invalidate direction since it is based on language
$this->direction = null;
$this->hash = null;
}
public function getDirection(): string {
if ( $this->direction === self::INHERIT_VALUE ) {
return $this->context->getDirection();
}
if ( $this->direction === null ) {
$this->direction = MediaWikiServices::getInstance()->getLanguageFactory()
->getLanguage( $this->getLanguage() )->getDir();
}
return $this->direction;
}
public function setDirection( string $direction ) {
$this->direction = $direction;
$this->hash = null;
}
public function getSkin(): string {
if ( $this->skin === self::INHERIT_VALUE ) {
return $this->context->getSkin();
}
return $this->skin;
}
public function setSkin( string $skin ) {
$this->skin = $skin;
$this->hash = null;
}
public function getUser(): ?string {
if ( $this->user === self::INHERIT_VALUE ) {
return $this->context->getUser();
}
return $this->user;
}
public function getUserIdentity(): ?UserIdentity {
if ( $this->userIdentity === self::INHERIT_VALUE ) {
return $this->context->getUserIdentity();
}
if ( $this->userIdentity === false ) {
$username = $this->getUser();
if ( $username === null ) {
// Anonymous user
$this->userIdentity = null;
} else {
// Use provided username if valid
$this->userIdentity = MediaWikiServices::getInstance()
->getUserFactory()
->newFromName( $username, UserRigorOptions::RIGOR_VALID );
}
}
return $this->userIdentity;
}
public function getUserObj(): User {
if ( $this->userObj === self::INHERIT_VALUE ) {
return $this->context->getUserObj();
}
if ( $this->userObj === null ) {
$username = $this->getUser();
$userFactory = MediaWikiServices::getInstance()->getUserFactory();
if ( $username ) {
$this->userObj = $userFactory->newFromName( $username, UserRigorOptions::RIGOR_VALID );
}
$this->userObj ??= $userFactory->newAnonymous();
}
return $this->userObj;
}
public function setUser( ?string $user ) {
$this->user = $user;
$this->hash = null;
// Clear getUserObj cache
$this->userObj = null;
$this->userIdentity = false;
}
public function getDebug(): int {
if ( $this->debug === self::INHERIT_VALUE ) {
return $this->context->getDebug();
}
return $this->debug;
}
public function setDebug( int $debug ) {
$this->debug = $debug;
$this->hash = null;
}
public function getOnly(): ?string {
if ( $this->only === self::INHERIT_VALUE ) {
return $this->context->getOnly();
}
return $this->only;
}
public function setOnly( ?string $only ) {
$this->only = $only;
$this->hash = null;
}
public function getVersion(): ?string {
if ( $this->version === self::INHERIT_VALUE ) {
return $this->context->getVersion();
}
return $this->version;
}
public function setVersion( ?string $version ) {
$this->version = $version;
$this->hash = null;
}
public function getRaw(): bool {
if ( $this->raw === self::INHERIT_VALUE ) {
return $this->context->getRaw();
}
return $this->raw;
}
public function setRaw( bool $raw ) {
$this->raw = $raw;
}
public function isSourceMap(): bool {
if ( $this->sourcemap === self::INHERIT_VALUE ) {
return $this->context->isSourceMap();
}
return $this->sourcemap;
}
public function setIsSourceMap( bool $sourcemap ) {
$this->sourcemap = $sourcemap;
}
public function getRequest(): WebRequest {
return $this->context->getRequest();
}
public function getResourceLoader(): ResourceLoader {
return $this->context->getResourceLoader();
}
public function getContentOverrideCallback() {
if ( $this->contentOverrideCallback === self::INHERIT_VALUE ) {
return $this->context->getContentOverrideCallback();
}
return $this->contentOverrideCallback;
}
/**
* @see self::getContentOverrideCallback
* @since 1.32
* @param callable|null|int $callback As per self::getContentOverrideCallback,
* or self::INHERIT_VALUE
*/
public function setContentOverrideCallback( $callback ) {
$this->contentOverrideCallback = $callback;
}
}