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-rw-r--r--ext/js/display/search-persistent-state-controller.js64
1 files changed, 64 insertions, 0 deletions
diff --git a/ext/js/display/search-persistent-state-controller.js b/ext/js/display/search-persistent-state-controller.js
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+++ b/ext/js/display/search-persistent-state-controller.js
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+/*
+ * Copyright (C) 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/>.
+ */
+
+class SearchPersistentStateController {
+ constructor() {
+ this._mode = null;
+ }
+
+ get mode() {
+ return this._mode;
+ }
+
+ set mode(value) {
+ this._setMode(value, true);
+ }
+
+ prepare() {
+ this._updateMode();
+ }
+
+ // Private
+
+ _updateMode() {
+ let mode = null;
+ try {
+ mode = sessionStorage.getItem('mode');
+ } catch (e) {
+ // Browsers can throw a SecurityError when cookie blocking is enabled.
+ }
+ this._setMode(mode, false);
+ }
+
+ _setMode(mode, save) {
+ if (mode === this._mode) { return; }
+ if (save) {
+ try {
+ if (mode === null) {
+ sessionStorage.removeItem('mode');
+ } else {
+ sessionStorage.setItem('mode', mode);
+ }
+ } catch (e) {
+ // Browsers can throw a SecurityError when cookie blocking is enabled.
+ }
+ }
+ this._mode = mode;
+ document.documentElement.dataset.searchMode = (mode !== null ? mode : '');
+ this._updateClipboardMonitorEnabled();
+ }
+}