From d6afda37f2924383770e9985e5fc6daf4afddb59 Mon Sep 17 00:00:00 2001
From: Yuya Ochiai <yuya0321@gmail.com>
Date: Thu, 14 Jan 2016 21:51:06 +0900
Subject: [PATCH] Remove 'focus' event listener when leaving from index.html

---
 src/browser/index.jsx | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/browser/index.jsx b/src/browser/index.jsx
index 38be3d3f..190570d4 100644
--- a/src/browser/index.jsx
+++ b/src/browser/index.jsx
@@ -28,9 +28,15 @@ var MainPage = React.createClass({
   },
   componentDidMount: function() {
     var thisObj = this;
-    remote.getCurrentWindow().on('focus', function() {
+    var focusListener = function() {
       var webview = document.getElementById('mattermostView' + thisObj.state.key);
       webview.focus();
+    };
+
+    var currentWindow = remote.getCurrentWindow();
+    currentWindow.on('focus', focusListener);
+    window.addEventListener('beforeunload', function() {
+      currentWindow.removeListener('focus', focusListener);
     });
   },
   handleSelect: function(key) {