From 7dfbd9ac5ec8d096cbc147d7693814d2d81568bc Mon Sep 17 00:00:00 2001
From: Alon Zakai <alonzakai@gmail.com>
Date: Wed, 22 Jan 2014 17:09:02 -0800
Subject: some headless additions

---
 src/headless.js       | 12 ++++++++++++
 src/headlessCanvas.js |  1 +
 2 files changed, 13 insertions(+)

diff --git a/src/headless.js b/src/headless.js
index e5458641..5880c087 100644
--- a/src/headless.js
+++ b/src/headless.js
@@ -82,6 +82,16 @@ var window = {
     }
     listeners.push(func);
   },
+  removeEventListener: function(id, func) {
+    var listeners = this.eventListeners[id];
+    if (!listeners) return;
+    for (var i = 0; i < listeners.length; i++) {
+      if (listeners[i] === func) {
+        listeners.splice(i, 1);
+        return;
+      }
+    }
+  },
   callEventListeners: function(id) {
     var listeners = this.eventListeners[id];
     if (listeners) {
@@ -101,6 +111,7 @@ var document = {
   headless: true,
   eventListeners: {},
   addEventListener: window.addEventListener,
+  removeEventListener: window.removeEventListener,
   callEventListeners: window.callEventListeners,
   getElementById: function(id) {
     switch(id) {
@@ -144,6 +155,7 @@ var document = {
         },
         eventListeners: {},
         addEventListener: document.addEventListener,
+        removeEventListener: document.removeEventListener,
         callEventListeners: document.callEventListeners,
       };
     };
diff --git a/src/headlessCanvas.js b/src/headlessCanvas.js
index 4951aed8..6b0f9d47 100644
--- a/src/headlessCanvas.js
+++ b/src/headlessCanvas.js
@@ -600,6 +600,7 @@ function headlessCanvas() {
     style: {},
     eventListeners: {},
     addEventListener: function(){},
+    removeEventListener: function(){},
     requestFullScreen: function() {
       document.fullscreenElement = document.getElementById('canvas');
       window.setTimeout(function() {
-- 
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