Add PermissionsOriginController (#1603)

1 files changed, 126 insertions, 0 deletions

diff --git a/ext/js/pages/settings/permissions-origin-controller.js b/ext/js/pages/settings/permissions-origin-controller.js
new file mode 100644
index 00000000..adb4c1d9
--- /dev/null
+++ b/ext/js/pages/settings/permissions-origin-controller.js
@@ -0,0 +1,126 @@
+/*
+ * 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;
+    }
+}