Mecab test (#1361)

* Update Mecab API

* Add testMecab API function

* Add a test button for the Mecab component

2 files changed, 71 insertions, 0 deletions

diff --git a/ext/bg/js/settings2/mecab-controller.js b/ext/bg/js/settings2/mecab-controller.js
new file mode 100644
index 00000000..ff2a4a66
--- /dev/null
+++ b/ext/bg/js/settings2/mecab-controller.js
@@ -0,0 +1,67 @@
+/*
+ * 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/>.
+ */
+
+/* global
+ * api
+ */
+
+class MecabController {
+    constructor(settingsController) {
+        this._settingsController = settingsController;
+        this._testButton = null;
+        this._resultsContainer = null;
+        this._testActive = false;
+    }
+
+    prepare() {
+        this._testButton = document.querySelector('#test-mecab-button');
+        this._resultsContainer = document.querySelector('#test-mecab-results');
+
+        this._testButton.addEventListener('click', this._onTestButtonClick.bind(this), false);
+    }
+
+    // Private
+
+    _onTestButtonClick(e) {
+        e.preventDefault();
+        this._testMecab();
+    }
+
+    async _testMecab() {
+        if (this._testActive) { return; }
+
+        try {
+            this._testActive = true;
+            this._testButton.disabled = true;
+            this._resultsContainer.textContent = '';
+            this._resultsContainer.hidden = true;
+            await api.testMecab();
+            this._setStatus('Connection was successful', false);
+        } catch (e) {
+            this._setStatus(e.message, true);
+        } finally {
+            this._testActive = false;
+            this._testButton.disabled = false;
+        }
+    }
+
+    _setStatus(message, isError) {
+        this._resultsContainer.textContent = message;
+        this._resultsContainer.hidden = false;
+        this._resultsContainer.classList.toggle('danger-text', isError);
+    }
+}
diff --git a/ext/bg/js/settings2/settings-main.js b/ext/bg/js/settings2/settings-main.js
index f4a38d85..24248110 100644
--- a/ext/bg/js/settings2/settings-main.js
+++ b/ext/bg/js/settings2/settings-main.js
@@ -26,6 +26,7 @@
  * ExtensionKeyboardShortcutController
  * GenericSettingController
  * KeyboardShortcutController
+ * MecabController
  * ModalController
  * NestedPopupsController
  * PermissionsToggleController
@@ -140,6 +141,9 @@ async function setupGenericSettingsController(genericSettingController) {
         const popupWindowController = new PopupWindowController();
         popupWindowController.prepare();
 
+        const mecabController = new MecabController();
+        mecabController.prepare();
+
         await Promise.all(preparePromises);
 
         document.documentElement.dataset.loaded = 'true';