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+/*
+ * Copyright (C) 2020-2021 Yomichan Authors
+ *
+ * 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 3 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, see <https://www.gnu.org/licenses/>.
+ */
+
+/* global
+ * Modal
+ */
+
+class ModalController {
+ constructor() {
+ this._modals = [];
+ this._modalMap = new Map();
+ }
+
+ prepare() {
+ const idSuffix = '-modal';
+ for (const node of document.querySelectorAll('.modal')) {
+ let {id} = node;
+ if (typeof id !== 'string') { continue; }
+
+ if (id.endsWith(idSuffix)) {
+ id = id.substring(0, id.length - idSuffix.length);
+ }
+
+ const modal = new Modal(node);
+ modal.prepare();
+ this._modalMap.set(id, modal);
+ this._modalMap.set(node, modal);
+ this._modals.push(modal);
+ }
+ }
+
+ getModal(nameOrNode) {
+ const modal = this._modalMap.get(nameOrNode);
+ return (typeof modal !== 'undefined' ? modal : null);
+ }
+
+ getTopVisibleModal() {
+ for (let i = this._modals.length - 1; i >= 0; --i) {
+ const modal = this._modals[i];
+ if (modal.isVisible()) {
+ return modal;
+ }
+ }
+ return null;
+ }
+}