From dfdd363d2e58cca368a5821baa05aa740b40cc2f Mon Sep 17 00:00:00 2001
From: mourner <agafonkin@gmail.com>
Date: Wed, 22 Feb 2012 08:59:17 +0200
Subject: [PATCH] cancelAnimFrame function

---
 src/core/Util.js | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/core/Util.js b/src/core/Util.js
index 337d405f..75e8ea0e 100644
--- a/src/core/Util.js
+++ b/src/core/Util.js
@@ -30,6 +30,9 @@ L.Util = {
 		};
 	}()),
 
+
+	// TODO refactor: remove repetition
+
 	requestAnimFrame: (function () {
 		function timeoutDefer(callback) {
 			window.setTimeout(callback, 1000 / 60);
@@ -47,11 +50,24 @@ L.Util = {
 			if (immediate && requestFn === timeoutDefer) {
 				callback();
 			} else {
-				requestFn(callback, contextEl);
+				return requestFn.call(window, callback, contextEl);
 			}
 		};
 	}()),
 
+	cancelAnimFrame: (function () {
+		var requestFn = window.cancelAnimationFrame ||
+			window.webkitCancelRequestAnimationFrame ||
+			window.mozCancelRequestAnimationFrame ||
+			window.oCancelRequestAnimationFrame ||
+			window.msCancelRequestAnimationFrame ||
+			clearTimeout;
+
+		return function (handle) {
+			return requestFn.call(window, handle);
+		}
+	}()),
+
 	limitExecByInterval: function (fn, time, context) {
 		var lock, execOnUnlock, args;
 		function exec() {