1 files changed, 80 insertions, 0 deletions
diff --git a/ext/js/settings/modal.js b/ext/js/settings/modal.js
new file mode 100644
index 00000000..2ef49540
--- /dev/null
+++ b/ext/js/settings/modal.js
@@ -0,0 +1,80 @@
+/*
+ * 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
+ * PanelElement
+ */
+
+class Modal extends PanelElement {
+    constructor(node) {
+        super({
+            node,
+            closingAnimationDuration: 375 // Milliseconds; includes buffer
+        });
+        this._contentNode = null;
+        this._canCloseOnClick = false;
+    }
+
+    prepare() {
+        const node = this.node;
+        this._contentNode = node.querySelector('.modal-content');
+        let dimmerNode = node.querySelector('.modal-content-dimmer');
+        if (dimmerNode === null) { dimmerNode = node; }
+        dimmerNode.addEventListener('mousedown', this._onModalContainerMouseDown.bind(this), false);
+        dimmerNode.addEventListener('mouseup', this._onModalContainerMouseUp.bind(this), false);
+        dimmerNode.addEventListener('click', this._onModalContainerClick.bind(this), false);
+
+        for (const actionNode of node.querySelectorAll('[data-modal-action]')) {
+            actionNode.addEventListener('click', this._onActionNodeClick.bind(this), false);
+        }
+    }
+
+    // Private
+
+    _onModalContainerMouseDown(e) {
+        this._canCloseOnClick = (e.currentTarget === e.target);
+    }
+
+    _onModalContainerMouseUp(e) {
+        if (!this._canCloseOnClick) { return; }
+        this._canCloseOnClick = (e.currentTarget === e.target);
+    }
+
+    _onModalContainerClick(e) {
+        if (!this._canCloseOnClick) { return; }
+        this._canCloseOnClick = false;
+        if (e.currentTarget !== e.target) { return; }
+        this.setVisible(false);
+    }
+
+    _onActionNodeClick(e) {
+        const {modalAction} = e.currentTarget.dataset;
+        switch (modalAction) {
+            case 'expand':
+                this._setExpanded(true);
+                break;
+            case 'collapse':
+                this._setExpanded(false);
+                break;
+        }
+    }
+
+    _setExpanded(expanded) {
+        if (this._contentNode === null) { return; }
+        this._contentNode.classList.toggle('modal-content-full', expanded);
+    }
+}