[IMP] Improved shim for function.bind

bzr revid: nicolas.vanhoren@openerp.com-20130806130734-lov3aq0m4b1r4sto

1 files changed, 25 insertions, 0 deletions

diff --git a/addons/web/static/src/js/core.js b/addons/web/static/src/js/core.js
index 6a4d85f7204..6a30868e8ec 100644
--- a/addons/web/static/src/js/core.js
+++ b/addons/web/static/src/js/core.js
@@ -11,6 +11,31 @@ if (typeof(console) === "undefined") {
     });
 }
 
+// shim provided by mozilla for function.bind
+if (!Function.prototype.bind) {
+  Function.prototype.bind = function (oThis) {
+    if (typeof this !== "function") {
+      // closest thing possible to the ECMAScript 5 internal IsCallable function
+      throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");
+    }
+
+    var aArgs = Array.prototype.slice.call(arguments, 1), 
+        fToBind = this, 
+        fNOP = function () {},
+        fBound = function () {
+          return fToBind.apply(this instanceof fNOP && oThis
+                                 ? this
+                                 : oThis,
+                               aArgs.concat(Array.prototype.slice.call(arguments)));
+        };
+
+    fNOP.prototype = this.prototype;
+    fBound.prototype = new fNOP();
+
+    return fBound;
+  };
+}
+
 var instance = openerp;
 openerp.web.core = {};