yomichan/ext/js/pages/settings/permissions-origin-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 PermissionsOriginController {
constructor(settingsController) {
this._settingsController = settingsController;
this._originContainer = null;
this._originEmpty = null;
this._originToggleNodes = null;
this._addOriginInput = null;
this._errorContainer = null;
this._originContainerChildren = [];
this._eventListeners = new EventListenerCollection();
}
async prepare() {
this._originContainer = document.querySelector('#permissions-origin-list');
this._originEmpty = document.querySelector('#permissions-origin-list-empty');
this._originToggleNodes = document.querySelectorAll('.permissions-origin-toggle');
this._addOriginInput = document.querySelector('#permissions-origin-new-input');
this._errorContainer = document.querySelector('#permissions-origin-list-error');
const addButton = document.querySelector('#permissions-origin-add');
for (const node of this._originToggleNodes) {
node.addEventListener('change', this._onOriginToggleChange.bind(this), false);
}
addButton.addEventListener('click', this._onAddButtonClick.bind(this), false);
this._settingsController.on('permissionsChanged', this._onPermissionsChanged.bind(this));
await this._updatePermissions();
}
// Private
_onPermissionsChanged({permissions}) {
this._eventListeners.removeAllEventListeners();
for (const node of this._originContainerChildren) {
if (node.parentNode === null) { continue; }
node.parentNode.removeChild(node);
}
this._originContainerChildren = [];
const originsSet = new Set(permissions.origins);
for (const node of this._originToggleNodes) {
node.checked = originsSet.has(node.dataset.origin);
}
let any = false;
const excludeOrigins = new Set([
'<all_urls>'
]);
const fragment = document.createDocumentFragment();
for (const origin of permissions.origins) {
if (excludeOrigins.has(origin)) { continue; }
const node = this._settingsController.instantiateTemplateFragment('permissions-origin');
const input = node.querySelector('.permissions-origin-input');
const menuButton = node.querySelector('.permissions-origin-button');
input.value = origin;
this._eventListeners.addEventListener(menuButton, 'menuClose', this._onOriginMenuClose.bind(this, origin), false);
this._originContainerChildren.push(...node.children);
fragment.appendChild(node);
any = true;
}
this._originContainer.insertBefore(fragment, this._originContainer.firstChild);
this._originEmpty.hidden = any;
this._errorContainer.hidden = true;
}
_onOriginToggleChange(e) {
const node = e.currentTarget;
const value = node.checked;
node.checked = !value;
const {origin} = node.dataset;
this._setOriginPermissionEnabled(origin, value);
}
_onOriginMenuClose(origin) {
this._setOriginPermissionEnabled(origin, false);
}
_onAddButtonClick() {
this._addOrigin();
}
async _addOrigin() {
const origin = this._addOriginInput.value;
const added = await this._setOriginPermissionEnabled(origin, true);
if (added) {
this._addOriginInput.value = '';
}
}
async _updatePermissions() {
const permissions = await this._settingsController.permissionsUtil.getAllPermissions();
this._onPermissionsChanged({permissions});
}
async _setOriginPermissionEnabled(origin, enabled) {
let added = false;
try {
added = await this._settingsController.permissionsUtil.setPermissionsGranted({origins: [origin]}, enabled);
} catch (e) {
this._errorContainer.hidden = false;
this._errorContainer.textContent = e.message;
}
if (!added) { return false; }
await this._updatePermissions();
return true;
}
}