From 2022b6c8e44486b1512b34f6153e395c341e0202 Mon Sep 17 00:00:00 2001
From: Matt <mb@issuu.com>
Date: Fri, 19 Feb 2016 17:12:22 -0800
Subject: [PATCH] Add windowStack.length

---
 src/js/ui/windowstack.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/js/ui/windowstack.js b/src/js/ui/windowstack.js
index ab16f258..2d0c61b6 100644
--- a/src/js/ui/windowstack.js
+++ b/src/js/ui/windowstack.js
@@ -110,6 +110,10 @@ WindowStack.prototype.each = function(callback) {
   }
 };
 
+WindowStack.prototype.length = function() {
+  return this._items.length;
+};
+
 WindowStack.prototype.emitHide = function(windowId) {
   var wind = this.get(windowId);
   if (wind !== this.top()) { return; }