+<?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
+ */
+
+/**
+ * Allows loading arbitrary sets of OOUI icons.
+ *
+ * @since 1.34
+ */
+class ResourceLoaderOOUIIconPackModule extends ResourceLoaderOOUIImageModule {
+ public function __construct( $options = [], $localBasePath = null ) {
+ parent::__construct( $options, $localBasePath );
+
+ if ( !isset( $this->definition['icons'] ) || !$this->definition['icons'] ) {
+ throw new InvalidArgumentException( "Parameter 'icons' must be given." );
+ }
+
+ // A few things check for the "icons" prefix on this value, so specify it even though
+ // we don't use it for actually loading the data, like in the other modules.
+ $this->definition['themeImages'] = 'icons';
+ }
+
+ private function getIcons() {
+ return $this->definition['icons'];
+ }
+
+ protected function loadOOUIDefinition( $theme, $unused ) {
+ // This is shared between instances of this class, so we only have to load the JSON files once
+ static $data = [];
+
+ if ( !isset( $data[$theme] ) ) {
+ $data[$theme] = [];
+ // Load and merge the JSON data for all "icons-foo" modules
+ foreach ( self::$knownImagesModules as $module ) {
+ if ( substr( $module, 0, 5 ) === 'icons' ) {
+ $moreData = $this->readJSONFile( $this->getThemeImagesPath( $theme, $module ) );
+ if ( $moreData ) {
+ $data[$theme] = array_replace_recursive( $data[$theme], $moreData );
+ }
+ }
+ }
+ }
+
+ $definition = $data[$theme];
+
+ // Filter out the data for all other icons, leaving only the ones we want for this module
+ $iconsNames = $this->getIcons();
+ foreach ( array_keys( $definition['images'] ) as $iconName ) {
+ if ( !in_array( $iconName, $iconsNames ) ) {
+ unset( $definition['images'][$iconName] );
+ }
+ }
+
+ return $definition;
+ }
+}