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-rw-r--r--ext/js/pages/settings/permissions-toggle-controller.js131
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diff --git a/ext/js/pages/settings/permissions-toggle-controller.js b/ext/js/pages/settings/permissions-toggle-controller.js
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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;
+ const permissions = this._getRequiredPermissions(toggle);
+ try {
+ value = await this._settingsController.permissionsUtil.setPermissionsGranted({permissions}, value);
+ } catch (error) {
+ value = valuePre;
+ try {
+ value = await this._settingsController.permissionsUtil.hasPermissions({permissions});
+ } catch (error2) {
+ // NOP
+ }
+ }
+ 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.permissionsUtil.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(' ') : []);
+ }
+}