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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
* ObjectPropertyAccessor
*/
class PermissionsToggleController {
constructor(settingsController) {
this._settingsController = settingsController;
this._toggles = null;
}
async prepare() {
this._toggles = document.querySelectorAll('.permissions-toggle');
for (const toggle of this._toggles) {
toggle.addEventListener('change', this._onPermissionsToggleChange.bind(this), false);
}
this._settingsController.on('optionsChanged', this._onOptionsChanged.bind(this));
this._settingsController.on('permissionsChanged', this._onPermissionsChanged.bind(this));
const options = await this._settingsController.getOptions();
this._onOptionsChanged({options});
}
// Private
_onOptionsChanged({options}) {
let accessor = null;
for (const toggle of this._toggles) {
const {permissionsSetting} = toggle.dataset;
if (typeof permissionsSetting !== 'string') { continue; }
if (accessor === null) {
accessor = new ObjectPropertyAccessor(options);
}
const path = ObjectPropertyAccessor.getPathArray(permissionsSetting);
let value;
try {
value = accessor.get(path, path.length);
} catch (e) {
continue;
}
toggle.checked = !!value;
}
this._updateValidity();
}
async _onPermissionsToggleChange(e) {
const toggle = e.currentTarget;
let value = toggle.checked;
const valuePre = !value;
const {permissionsSetting} = toggle.dataset;
const hasPermissionsSetting = typeof permissionsSetting === 'string';
if (value || !hasPermissionsSetting) {
toggle.checked = valuePre;
try {
value = await this._settingsController.setPermissionsGranted(this._getRequiredPermissions(toggle), value);
} catch (error) {
value = valuePre;
}
toggle.checked = value;
}
if (hasPermissionsSetting) {
this._setToggleValid(toggle, true);
await this._settingsController.setProfileSetting(permissionsSetting, value);
}
}
_onPermissionsChanged({permissions: {permissions}}) {
const permissionsSet = new Set(permissions);
for (const toggle of this._toggles) {
const {permissionsSetting} = toggle.dataset;
const hasPermissions = this._hasAll(permissionsSet, this._getRequiredPermissions(toggle));
if (typeof permissionsSetting === 'string') {
const valid = !toggle.checked || hasPermissions;
this._setToggleValid(toggle, valid);
} else {
toggle.checked = hasPermissions;
}
}
}
_setToggleValid(toggle, valid) {
const relative = toggle.closest('.settings-item');
if (relative === null) { return; }
relative.dataset.invalid = `${!valid}`;
}
async _updateValidity() {
const permissions = await this._settingsController.getAllPermissions();
this._onPermissionsChanged({permissions});
}
_hasAll(set, values) {
for (const value of values) {
if (!set.has(value)) { return false; }
}
return true;
}
_getRequiredPermissions(toggle) {
const requiredPermissions = toggle.dataset.requiredPermissions;
return (typeof requiredPermissions === 'string' && requiredPermissions.length > 0 ? requiredPermissions.split(' ') : []);
}
}
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