From d5f5cdb45ab122a1d6b8e9290ef4b3b26764f5b3 Mon Sep 17 00:00:00 2001
From: Daniel Pham <pham.dany@gmail.com>
Date: Sat, 5 Mar 2016 01:39:13 -0500
Subject: [PATCH] :apple:Fix 'isMaximized()' for non resizable windows

---
 atom/browser/native_window_mac.mm | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/atom/browser/native_window_mac.mm b/atom/browser/native_window_mac.mm
index 9d9f2a2392d1..46448594c365 100644
--- a/atom/browser/native_window_mac.mm
+++ b/atom/browser/native_window_mac.mm
@@ -583,7 +583,16 @@ void NativeWindowMac::Unmaximize() {
 }
 
 bool NativeWindowMac::IsMaximized() {
-  return [window_ isZoomed];
+  if (([window_ styleMask] & NSResizableWindowMask) != 0) {
+    return [window_ isZoomed];
+  } else {
+    NSRect rectScreen = [[NSScreen mainScreen] visibleFrame];
+    NSRect rectWindow = [window_ frame];
+    return (rectScreen.origin.x == rectWindow.origin.x &&
+            rectScreen.origin.y == rectWindow.origin.y &&
+            rectScreen.size.width == rectWindow.size.width &&
+            rectScreen.size.height == rectWindow.size.height);
+  }
 }
 
 void NativeWindowMac::Minimize() {