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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\View\Design\Fallback\Rule;
use Magento\Framework\Component\ComponentRegistrar;
use Magento\Framework\Component\ComponentRegistrarInterface;
use Magento\Framework\View\Design\ThemeInterface;
use Magento\Framework\App\Filesystem\DirectoryList;
use Magento\Framework\App\ObjectManager;
/**
* Fallback Rule Theme
*
* An aggregate of a fallback rule that propagates it to every theme according to a hierarchy
*/
class Theme implements RuleInterface
{
/**
* Rule
*
* @var RuleInterface
*/
protected $rule;
/**
* Component registrar
*
* @var ComponentRegistrarInterface
*/
private $componentRegistrar;
/**
* @var DirectoryList
*/
private $directoryList;
/**
* Constructors
*
* @param RuleInterface $rule
* @param ComponentRegistrarInterface $componentRegistrar
*/
public function __construct(RuleInterface $rule, ComponentRegistrarInterface $componentRegistrar)
{
$this->rule = $rule;
$this->componentRegistrar = $componentRegistrar;
}
/**
* Propagate an underlying fallback rule to every theme in a hierarchy: parent, grandparent, etc.
*
* @param array $params
* @return array
* @throws \InvalidArgumentException
*/
public function getPatternDirs(array $params)
{
if (!array_key_exists('theme', $params) || !$params['theme'] instanceof ThemeInterface) {
throw new \InvalidArgumentException(
'Parameter "theme" should be specified and should implement the theme interface.'
);
}
$result = [];
/** @var $theme ThemeInterface */
$theme = $params['theme'];
unset($params['theme']);
while ($theme) {
if ($theme->getFullPath()) {
$params['theme_dir'] = $this->componentRegistrar->getPath(
ComponentRegistrar::THEME,
$theme->getFullPath()
);
$params = $this->getThemePubStaticDir($theme, $params);
$result = array_merge($result, $this->rule->getPatternDirs($params));
}
$theme = $theme->getParentTheme();
}
return $result;
}
/**
* Get dir of Theme that contains published static view files
*
* @param ThemeInterface $theme
* @param array $params
* @return array
*/
private function getThemePubStaticDir(ThemeInterface $theme, $params = [])
{
if (empty($params['theme_pubstatic_dir'])
&& isset($params['file'])
&& pathinfo($params['file'], PATHINFO_EXTENSION) === 'css'
) {
$params['theme_pubstatic_dir'] = $this->getDirectoryList()
->getPath(DirectoryList::STATIC_VIEW)
. '/' . $theme->getArea() . '/' . $theme->getCode()
. (isset($params['locale']) ? '/' . $params['locale'] : '');
}
return $params;
}
/**
* Get DirectoryList instance
* @return DirectoryList
*
* @deprecated 101.0.0
*/
private function getDirectoryList()
{
if (null === $this->directoryList) {
$this->directoryList = ObjectManager::getInstance()->get(DirectoryList::class);
}
return $this->directoryList;
}
}