[FIX] web: Fix old versions of Webkit (such as ones used on iOS < 6 or PhantomJS <= 1.7)

which does not have Function.prototype.bind function

bzr revid: chs@openerp.com-20130320143652-xqglvte5kwvtwl5i

addons/web/__openerp__.py

@@ -13,6 +13,7 @@ This module provides the core of the OpenERP Web Client.
     'auto_install': True,
     'post_load': 'wsgi_postload',
     'js' : [
+        "static/src/fixbind.js",
         "static/lib/datejs/globalization/en-US.js",
         "static/lib/datejs/core.js",
         "static/lib/datejs/parser.js",

addons/web/static/src/fixbind.js

@@ -0,0 +1,28 @@
+// Fix old versions of Webkit (such as ones used on iOS < 6 or PhantomJS <= 1.7)
+// which does not have Function.prototype.bind function
+
+// Use moz polyfill:
+// https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Function/bind#Compatibility
+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;
+  };
+}