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John Molakvoæ 7b3a119848 feat(core): advertise the largest preview in the capabilities
Clients sizing a preview to the screen get no more than preview_max_x
and preview_max_y, 4096 by default. Knowing it, a client that needs
more detail can load the file itself instead of asking for a preview
the server will not render.

Assisted-by: ClaudeCode:claude-opus-5-5
Signed-off-by: John Molakvoæ <14975046+skjnldsv@users.noreply.github.com>
2026-10-20 10:51:02 +02:00

76 lines
2.1 KiB
PHP

<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
namespace OC\OCS;
use OCP\Capabilities\ICapability;
use OCP\IConfig;
use OCP\IPreview;
use OCP\IURLGenerator;
/**
* Class Capabilities
*
* @package OC\OCS
*/
class CoreCapabilities implements ICapability {
/**
* @param IConfig $config
* @param IPreview $preview
*/
public function __construct(
private IConfig $config,
private IPreview $preview,
) {
}
/**
* Return this classes capabilities
*
* @return array{
* core: array{
* pollinterval: int,
* webdav-root: string,
* reference-api: boolean,
* reference-regex: string,
* mod-rewrite-working: boolean,
* previews: array{
* enabled_providers: list<string>,
* max_width: int,
* max_height: int,
* },
* },
* }
*/
#[\Override]
public function getCapabilities(): array {
return [
'core' => [
'pollinterval' => $this->config->getSystemValueInt('pollinterval', 60),
'webdav-root' => $this->config->getSystemValueString('webdav-root', 'remote.php/webdav'),
'reference-api' => true,
'reference-regex' => IURLGenerator::URL_REGEX_NO_MODIFIERS,
'mod-rewrite-working' => $this->config->getSystemValueBool('htaccess.IgnoreFrontController') || getenv('front_controller_active') === 'true',
'previews' => [
// The mime patterns previews can be generated for. Empty
// when previews are off entirely. Clients use it to tell
// the formats a browser cannot show on its own but the
// server can render from the ones it can do neither of.
'enabled_providers' => array_keys($this->preview->getProviders()),
// The largest preview the server renders. Past it, a client
// that needs more detail has to load the file itself
'max_width' => $this->config->getSystemValueInt('preview_max_x', 4096),
'max_height' => $this->config->getSystemValueInt('preview_max_y', 4096),
],
],
];
}
}