1 files changed, 63 insertions, 0 deletions
diff --git a/ext/client.js b/ext/client.js
new file mode 100644
index 00000000..535d3748
--- /dev/null
+++ b/ext/client.js
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2016  Alex Yatskov <alex@foosoft.net>
+ * Author: Alex Yatskov <alex@foosoft.net>
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+
+class Client {
+    constructor() {
+        $('body').append('<div class="yomichan-popup"/>');
+
+        this.popup       = $('.yomichan-popup');
+        this.popupOffset = 10;
+
+        window.addEventListener('mousemove', whenEnabled(this.onMouseMove.bind(this)));
+    }
+
+    onMouseMove(e) {
+        const range = getRangeAtCursor(e, 10);
+        if (range === null) {
+            this.hidePopup();
+            return;
+        }
+
+        const rect = getRangePaddedRect(range);
+        if (e.clientX < rect.left || e.clientX > rect.right) {
+            this.hidePopup();
+            return;
+        }
+
+        this.showPopup(range);
+    }
+
+    showPopup(range) {
+        const selection = window.getSelection();
+        selection.removeAllRanges();
+        selection.addRange(range);
+
+        const pos = getPopupPositionForRange(this.popup, range, this.popupOffset);
+        this.popup.css({left: pos.x, top: pos.y, visibility: 'visible'});
+    }
+
+    hidePopup() {
+        const selection = window.getSelection();
+        selection.removeAllRanges();
+
+        this.popup.css({visibility: 'hidden'});
+    }
+}
+
+window.yomiClient = new Client();