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<?php
/**
* SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OC\Preview;
use OCA\Theming\ThemingDefaults;
use OCP\App\IAppManager;
use OCP\Files\IMimeTypeDetector;
use OCP\IConfig;
use OCP\IURLGenerator;
use OCP\Preview\IMimeIconProvider;
class MimeIconProvider implements IMimeIconProvider {
public function __construct(
protected IMimeTypeDetector $mimetypeDetector,
protected IConfig $config,
protected IURLGenerator $urlGenerator,
protected IAppManager $appManager,
protected ThemingDefaults $themingDefaults,
) {
}
public function getMimeIconUrl(string $mime): ?string {
if (!$mime) {
return null;
}
// Fetch all the aliases
$aliases = $this->mimetypeDetector->getAllAliases();
// Remove comments
$aliases = array_filter($aliases, static function (string $key) {
return !($key === '' || $key[0] === '_');
}, ARRAY_FILTER_USE_KEY);
// Map all the aliases recursively
foreach ($aliases as $alias => $value) {
if ($alias === $mime) {
$mime = $value;
}
}
$fileName = str_replace('/', '-', $mime);
if ($url = $this->searchfileName($fileName)) {
return $url;
}
$mimeType = explode('/', $mime)[0];
if ($url = $this->searchfileName($mimeType)) {
return $url;
}
return null;
}
private function searchfileName(string $fileName): ?string {
// If the file exists in the current enabled legacy
// custom theme, let's return it
$theme = $this->config->getSystemValue('theme', '');
if (!empty($theme)) {
$path = "/themes/$theme/core/img/filetypes/$fileName.svg";
if (file_exists(\OC::$SERVERROOT . $path)) {
return $this->urlGenerator->getAbsoluteURL($path);
}
}
// Previously, we used to pass this through Theming
// But it was only used to colour icons containing
// 0082c9. Since with vue we moved to inline svg icons,
// we can just use the default core icons.
// Finally, if the file exists in core, let's return it
$path = "/core/img/filetypes/$fileName.svg";
if (file_exists(\OC::$SERVERROOT . $path)) {
return $this->urlGenerator->getAbsoluteURL($path);
}
return null;
}
}
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