66 lines
1.8 KiB
JavaScript
66 lines
1.8 KiB
JavaScript
/*
|
|
* 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 extends EventDispatcher {
|
|
constructor() {
|
|
super();
|
|
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.trigger('modeChange', {mode});
|
|
}
|
|
}
|