From ff51e4033a720316a5762258cba7ea2a4e4c5d0a Mon Sep 17 00:00:00 2001
From: Robo <hop2deep@gmail.com>
Date: Sat, 19 Dec 2015 04:23:30 +0530
Subject: [PATCH] browser: fix value of document.hidden

---
 atom/renderer/lib/override.coffee | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/atom/renderer/lib/override.coffee b/atom/renderer/lib/override.coffee
index 7279b232a9..15acbdd48b 100644
--- a/atom/renderer/lib/override.coffee
+++ b/atom/renderer/lib/override.coffee
@@ -118,6 +118,12 @@ Object.defineProperty window.history, 'length',
   get: ->
     getHistoryOperation 'length'
 
-# Make document.hidden return the correct value.
+# Make document.hidden and document.visibilityState return the correct value.
 Object.defineProperty document, 'hidden',
-  get: -> !remote.getCurrentWindow().isVisible()
+  get: ->
+    currentWindow = remote.getCurrentWindow()
+    !currentWindow.isFocused() || !currentWindow.isVisible()
+
+Object.defineProperty document, 'visibilityState',
+  get: ->
+    if document.hidden then "hidden" else "visible"