1 files changed, 71 insertions, 0 deletions
diff --git a/ext/js/pages/settings/nested-popups-controller.js b/ext/js/pages/settings/nested-popups-controller.js
new file mode 100644
index 00000000..1ebc7389
--- /dev/null
+++ b/ext/js/pages/settings/nested-popups-controller.js
@@ -0,0 +1,71 @@
+/*
+ * 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
+ * DOMDataBinder
+ */
+
+class NestedPopupsController {
+    constructor(settingsController) {
+        this._settingsController = settingsController;
+        this._popupNestingMaxDepth = 0;
+    }
+
+    async prepare() {
+        this._nestedPopupsEnabled = document.querySelector('#nested-popups-enabled');
+        this._nestedPopupsCount = document.querySelector('#nested-popups-count');
+        this._nestedPopupsEnabledMoreOptions = document.querySelector('#nested-popups-enabled-more-options');
+
+        const options = await this._settingsController.getOptions();
+
+        this._nestedPopupsEnabled.addEventListener('change', this._onNestedPopupsEnabledChange.bind(this), false);
+        this._nestedPopupsCount.addEventListener('change', this._onNestedPopupsCountChange.bind(this), false);
+        this._settingsController.on('optionsChanged', this._onOptionsChanged.bind(this));
+        this._onOptionsChanged({options});
+    }
+
+    // Private
+
+    _onOptionsChanged({options}) {
+        this._updatePopupNestingMaxDepth(options.scanning.popupNestingMaxDepth);
+    }
+
+    _onNestedPopupsEnabledChange(e) {
+        const value = e.currentTarget.checked;
+        if (value && this._popupNestingMaxDepth > 0) { return; }
+        this._setPopupNestingMaxDepth(value ? 1 : 0);
+    }
+
+    _onNestedPopupsCountChange(e) {
+        const node = e.currentTarget;
+        const value = Math.max(1, DOMDataBinder.convertToNumber(node.value, node));
+        this._setPopupNestingMaxDepth(value);
+    }
+
+    _updatePopupNestingMaxDepth(value) {
+        const enabled = (value > 0);
+        this._popupNestingMaxDepth = value;
+        this._nestedPopupsEnabled.checked = enabled;
+        this._nestedPopupsCount.value = `${value}`;
+        this._nestedPopupsEnabledMoreOptions.hidden = !enabled;
+    }
+
+    async _setPopupNestingMaxDepth(value) {
+        this._updatePopupNestingMaxDepth(value);
+        await this._settingsController.setProfileSetting('scanning.popupNestingMaxDepth', value);
+    }
+}