Pull include/util.js from noVNC. Add map to arrays for IE9.

IE9 still doesn't support [].map() so add it to the prototype in
include/util.js.

include/util.js

@@ -1,6 +1,6 @@
 /*
- * from noVNC: HTML5 VNC client
+ * noVNC: HTML5 VNC client
- * Copyright (C) 2010 Joel Martin
+ * Copyright (C) 2011 Joel Martin
  * Licensed under LGPL-3 (see LICENSE.txt)
  *
  * See README.md for usage and integration instructions.
@@ -11,7 +11,7 @@
 /*global window, console, document, navigator, ActiveXObject */
 
 // Globals defined here
-var Util = {}, $D;
+var Util = {};
 
 
 /*
@@ -33,6 +33,30 @@ Array.prototype.push32 = function (num) {
               (num      ) & 0xFF  );
 };
 
+// IE does not support map (even in IE9)
+//This prototype is provided by the Mozilla foundation and
+//is distributed under the MIT license.
+//http://www.ibiblio.org/pub/Linux/LICENSES/mit.license
+if (!Array.prototype.map)
+{
+  Array.prototype.map = function(fun /*, thisp*/)
+  {
+    var len = this.length;
+    if (typeof fun != "function")
+      throw new TypeError();
+
+    var res = new Array(len);
+    var thisp = arguments[1];
+    for (var i = 0; i < len; i++)
+    {
+      if (i in this)
+        res[i] = fun.call(thisp, this[i], i, this);
+    }
+
+    return res;
+  };
+}
+
 /* 
  * ------------------------------------------------------
  * Namespaced in Util
@@ -78,24 +102,27 @@ Util.init_logging = function (level) {
 };
 Util.get_logging = function () {
     return Util._log_level;
-}
+};
 // Initialize logging level
 Util.init_logging();
 
 
-// Set defaults for Crockford style function namespaces
+// Set configuration default for Crockford style function namespaces
-Util.conf_default = function(cfg, api, v, type, defval, desc) {
+Util.conf_default = function(cfg, api, defaults, v, mode, type, defval, desc) {
-    // Description
+    var getter, setter;
-    api['get_' + v + '_desc'] = desc;
+
-    // Default getter
+    // Default getter function
-    if (typeof api['get_' + v] === 'undefined') {
+    getter = function (idx) {
-        api['get_' + v] = function () {
+        if ((type in {'arr':1, 'array':1}) &&
+            (typeof idx !== 'undefined')) {
+            return cfg[v][idx];
+        } else {
             return cfg[v];
-            };
         }
-    // Default setter
+    };
-    if (typeof api['set_' + v] === 'undefined') {
+
-        api['set_' + v] = function (val) {
+    // Default setter function
+    setter = function (val, idx) {
         if (type in {'boolean':1, 'bool':1}) {
             if ((!val) || (val in {'0':1, 'no':1, 'false':1})) {
                 val = false;
@@ -104,20 +131,59 @@ Util.conf_default = function(cfg, api, v, type, defval, desc) {
             }
         } else if (type in {'integer':1, 'int':1}) {
             val = parseInt(val, 10);
+        } else if (type === 'func') {
+            if (!val) {
+                val = function () {};
             }
+        }
+        if (typeof idx !== 'undefined') {
+            cfg[v][idx] = val;
+        } else {
             cfg[v] = val;
+        }
+    };
+
+    // Set the description
+    api[v + '_description'] = desc;
+
+    // Set the getter function
+    if (typeof api['get_' + v] === 'undefined') {
+        api['get_' + v] = getter;
+    }
+
+    // Set the setter function with extra sanity checks
+    if (typeof api['set_' + v] === 'undefined') {
+        api['set_' + v] = function (val, idx) {
+            if (mode in {'RO':1, 'ro':1}) {
+                throw(v + " is read-only");
+            } else if ((mode in {'WO':1, 'wo':1}) &&
+                       (typeof cfg[v] !== 'undefined')) {
+                throw(v + " can only be set once");
+            }
+            setter(val, idx);
         };
     }
 
-    if (typeof cfg[v] === 'undefined') {
+    // Set the default value
-        // Set to default
+    if (typeof defaults[v] !== 'undefined') {
-        api['set_' + v](defval);
+        defval = defaults[v];
-    } else {
+    } else if ((type in {'arr':1, 'array':1}) &&
-        // Coerce existing setting to the right type
+            (! (defval instanceof Array))) {
-        api['set_' + v](cfg[v]);
+        defval = [];
     }
+    // Coerce existing setting to the right type
+    //Util.Debug("v: " + v + ", defval: " + defval + ", defaults[v]: " + defaults[v]);
+    setter(defval);
 };
 
+// Set group of configuration defaults
+Util.conf_defaults = function(cfg, api, defaults, arr) {
+    var i;
+    for (i = 0; i < arr.length; i++) {
+        Util.conf_default(cfg, api, defaults, arr[i][0], arr[i][1],
+                arr[i][2], arr[i][3], arr[i][4]);
+    }
+};
 
 
 /*
@@ -142,6 +208,7 @@ Util.getEventPosition = function (e, obj, scale) {
     var evt, docX, docY, pos;
     //if (!e) evt = window.event;
     evt = (e ? e : window.event);
+    evt = (evt.changedTouches ? evt.changedTouches[0] : evt.touches ? evt.touches[0] : evt);
     if (evt.pageX || evt.pageY) {
         docX = evt.pageX;
         docY = evt.pageY;
@@ -197,8 +264,11 @@ Util.stopEvent = function(e) {
 Util.Features = {xpath: !!(document.evaluate), air: !!(window.runtime), query: !!(document.querySelector)};
 
 Util.Engine = {
-    'presto': (function() {
+    // Version detection break in Opera 11.60 (errors on arguments.callee.caller reference)
-            return (!window.opera) ? false : ((arguments.callee.caller) ? 960 : ((document.getElementsByClassName) ? 950 : 925)); }()),
+    //'presto': (function() {
+    //         return (!window.opera) ? false : ((arguments.callee.caller) ? 960 : ((document.getElementsByClassName) ? 950 : 925)); }()),
+    'presto': (function() { return (!window.opera) ? false : true; }()),
+
     'trident': (function() {
             return (!window.ActiveXObject) ? false : ((window.XMLHttpRequest) ? ((document.querySelectorAll) ? 6 : 5) : 4); }()),
     'webkit': (function() {