mediawiki-skins-Citizen/includes/Partials/Metadata.php
2021-08-31 13:20:51 -04:00

87 lines
2.2 KiB
PHP

<?php
/**
* Citizen - A responsive skin developed for the Star Citizen Wiki
*
* This file is part of Citizen.
*
* Citizen 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 3 of the License, or
* (at your option) any later version.
*
* Citizen 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 Citizen. If not, see <https://www.gnu.org/licenses/>.
*
* @file
* @ingroup Skins
*/
declare( strict_types=1 );
namespace Citizen\Partials;
use Exception;
final class Metadata extends Partial {
/**
* Adds metadata to the output page
*/
public function addMetadata() {
// Responsive layout
// Replace with core responsive option if it is implemented in 1.36+
$this->out->addMeta( 'viewport', 'width=device-width, initial-scale=1.0' );
// Theme color
$this->out->addMeta( 'theme-color', $this->getConfigValue( 'CitizenThemeColor' ) ?? '' );
// Generate webapp manifest
$this->addManifest();
// Preconnect origin
$this->addPreConnect();
}
/**
* Adds the manifest if enabled in 'CitizenEnableManifest'.
* Manifest link will be empty if wfExpandUrl throws an exception.
*/
private function addManifest() {
if ( $this->getConfigValue( 'CitizenEnableManifest' ) !== true ) {
return;
}
try {
$href =
wfExpandUrl( wfAppendQuery( wfScript( 'api' ),
[ 'action' => 'webapp-manifest' ] ), PROTO_RELATIVE );
} catch ( Exception $e ) {
$href = '';
}
$this->out->addLink( [
'rel' => 'manifest',
'href' => $href,
] );
}
/**
* Adds a preconnect header if enabled in 'CitizenEnablePreconnect'
*/
private function addPreConnect() {
if ( $this->getConfigValue( 'CitizenEnablePreconnect' ) !== true ) {
return;
}
$this->out->addLink( [
'rel' => 'preconnect',
'href' => $this->getConfigValue( 'CitizenPreconnectURL' ),
] );
}
}