[erp5_xhtml_style/erp5_web_renderjs_ui] Update renderJS 0.14.0

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_renderjs_js.js

@@ -1081,19 +1081,32 @@ if (typeof document.contains !== 'function') {
     });
   }
 
-  function clearGadgetInternalParameters(g) {
-    g.__sub_gadget_dict = {};
-    createMonitor(g);
+  function clearGadgetInternalParameters() {
+    this.__sub_gadget_dict = {};
+    createMonitor(this);
   }
 
-  function loadSubGadgetDOMDeclaration(g) {
-    var element_list = g.element.querySelectorAll('[data-gadget-url]'),
+  function loadSubGadgetDOMDeclaration() {
+    var element_list = this.element.querySelectorAll('[data-gadget-url]'),
       element,
       promise_list = [],
       scope,
       url,
       sandbox,
-      i;
+      i,
+      context = this;
+
+    function prepareReportGadgetDeclarationError(scope) {
+      return function (error) {
+        var aq_dict = context.__acquired_method_dict || {},
+          method_name = 'reportGadgetDeclarationError';
+        if (aq_dict.hasOwnProperty(method_name)) {
+          return aq_dict[method_name].apply(context,
+                                            [arguments, scope]);
+        }
+        throw error;
+      };
+    }
 
     for (i = 0; i < element_list.length; i += 1) {
       element = element_list[i];
@@ -1101,11 +1114,14 @@ if (typeof document.contains !== 'function') {
       url = element.getAttribute("data-gadget-url");
       sandbox = element.getAttribute("data-gadget-sandbox");
       if (url !== null) {
-        promise_list.push(g.declareGadget(url, {
+        promise_list.push(
+          context.declareGadget(url, {
             element: element,
             scope: scope || undefined,
             sandbox: sandbox || undefined
-        }));
+          })
+            .push(undefined, prepareReportGadgetDeclarationError(scope))
+        );
       }
     }
 
@@ -1120,9 +1136,10 @@ if (typeof document.contains !== 'function') {
   };
   RenderJSGadget.setState = function (state_dict) {
     var json_state = JSON.stringify(state_dict);
-    return this.ready(function () {
+    this.__ready_list.unshift(function () {
       this.state = JSON.parse(json_state);
     });
+    return this;
   };
   RenderJSGadget.onStateChange = function (callback) {
     this.prototype.__state_change_callback = callback;
@@ -1331,6 +1348,8 @@ if (typeof document.contains !== 'function') {
     };
   RenderJSGadget.declareAcquiredMethod("aq_reportServiceError",
                                        "reportServiceError");
+  RenderJSGadget.declareAcquiredMethod("aq_reportGadgetDeclarationError",
+                                       "reportGadgetDeclarationError");
 
   /////////////////////////////////////////////////////////////////
   // RenderJSGadget.allowPublicAcquisition
@@ -1461,6 +1480,17 @@ if (typeof document.contains !== 'function') {
     gadget_instance = new RenderJSIframeGadget();
     setAqParent(gadget_instance, parent_gadget);
     iframe = document.createElement("iframe");
+    iframe.addEventListener('error', function (error) {
+      iframe_loading_deferred.reject(error);
+    });
+    iframe.addEventListener('load', function () {
+      return RSVP.timeout(5000)
+        .fail(function () {
+          iframe_loading_deferred.reject(
+            new Error('Timeout while loading: ' + url)
+          );
+        });
+    });
 //    gadget_instance.element.setAttribute("seamless", "seamless");
     iframe.setAttribute("src", url);
     gadget_instance.__path = url;
@@ -1524,18 +1554,7 @@ if (typeof document.contains !== 'function') {
       trans.delayReturn(true);
     });
 
-    return RSVP.any([
-      iframe_loading_deferred.promise,
-      // Timeout to prevent non renderJS embeddable gadget
-      // XXX Maybe using iframe.onload/onerror would be safer?
-      new RSVP.Queue()
-        .push(function () {
-          return RSVP.timeout(5000);
-        })
-        .push(undefined, function () {
-          throw new Error('Timeout while loading: ' + url);
-        })
-    ]);
+    return iframe_loading_deferred.promise;
   }
 
   /////////////////////////////////////////////////////////////////
@@ -2283,8 +2302,8 @@ if (typeof document.contains !== 'function') {
             return fct.call(g, g);
           };
         }
-        TmpConstructor.ready(function (g) {
-          return startService(g);
+        TmpConstructor.ready(function () {
+          return startService(this);
         });
 
         loading_gadget_promise.push(ready_wrapper);

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_renderjs_js.xml

@@ -230,7 +230,7 @@
             </item>
             <item>
                 <key> <string>serial</string> </key>
-                <value> <string>955.51226.25726.38263</string> </value>
+                <value> <string>956.46086.45265.8004</string> </value>
             </item>
             <item>
                 <key> <string>state</string> </key>
@@ -248,7 +248,7 @@
                     </tuple>
                     <state>
                       <tuple>
-                        <float>1481043805.03</float>
+                        <float>1484732189.17</float>
                         <string>UTC</string>
                       </tuple>
                     </state>

product/ERP5/bootstrap/erp5_xhtml_style/SkinTemplateItem/portal_skins/erp5_xhtml_style/renderjs.js.js

@@ -673,7 +673,7 @@ if (typeof document.contains !== 'function') {
  * http://www.renderjs.org/documentation
  */
 (function (document, window, RSVP, DOMParser, Channel, MutationObserver,
-           Node, FileReader, Blob, navigator, Event) {
+           Node, FileReader, Blob, navigator, Event, URL) {
   "use strict";
 
   function readBlobAsDataURL(blob) {
@@ -789,10 +789,10 @@ if (typeof document.contains !== 'function') {
     return new RSVP.Promise(resolver, canceller);
   }
 
-  var gadget_model_dict = {},
+  var gadget_model_defer_dict = {},
     javascript_registration_dict = {},
     stylesheet_registration_dict = {},
-    gadget_loading_klass,
+    gadget_loading_klass_list = [],
     loading_klass_promise,
     renderJS,
     Monitor,
@@ -1081,19 +1081,32 @@ if (typeof document.contains !== 'function') {
     });
   }
 
-  function clearGadgetInternalParameters(g) {
-    g.__sub_gadget_dict = {};
-    createMonitor(g);
+  function clearGadgetInternalParameters() {
+    this.__sub_gadget_dict = {};
+    createMonitor(this);
   }
 
-  function loadSubGadgetDOMDeclaration(g) {
-    var element_list = g.element.querySelectorAll('[data-gadget-url]'),
+  function loadSubGadgetDOMDeclaration() {
+    var element_list = this.element.querySelectorAll('[data-gadget-url]'),
       element,
       promise_list = [],
       scope,
       url,
       sandbox,
-      i;
+      i,
+      context = this;
+
+    function prepareReportGadgetDeclarationError(scope) {
+      return function (error) {
+        var aq_dict = context.__acquired_method_dict || {},
+          method_name = 'reportGadgetDeclarationError';
+        if (aq_dict.hasOwnProperty(method_name)) {
+          return aq_dict[method_name].apply(context,
+                                            [arguments, scope]);
+        }
+        throw error;
+      };
+    }
 
     for (i = 0; i < element_list.length; i += 1) {
       element = element_list[i];
@@ -1101,11 +1114,14 @@ if (typeof document.contains !== 'function') {
       url = element.getAttribute("data-gadget-url");
       sandbox = element.getAttribute("data-gadget-sandbox");
       if (url !== null) {
-        promise_list.push(g.declareGadget(url, {
+        promise_list.push(
+          context.declareGadget(url, {
             element: element,
             scope: scope || undefined,
             sandbox: sandbox || undefined
-        }));
+          })
+            .push(undefined, prepareReportGadgetDeclarationError(scope))
+        );
       }
     }
 
@@ -1120,9 +1136,10 @@ if (typeof document.contains !== 'function') {
   };
   RenderJSGadget.setState = function (state_dict) {
     var json_state = JSON.stringify(state_dict);
-    return this.ready(function () {
+    this.__ready_list.unshift(function () {
       this.state = JSON.parse(json_state);
     });
+    return this;
   };
   RenderJSGadget.onStateChange = function (callback) {
     this.prototype.__state_change_callback = callback;
@@ -1331,6 +1348,8 @@ if (typeof document.contains !== 'function') {
     };
   RenderJSGadget.declareAcquiredMethod("aq_reportServiceError",
                                        "reportServiceError");
+  RenderJSGadget.declareAcquiredMethod("aq_reportGadgetDeclarationError",
+                                       "reportGadgetDeclarationError");
 
   /////////////////////////////////////////////////////////////////
   // RenderJSGadget.allowPublicAcquisition
@@ -1381,56 +1400,37 @@ if (typeof document.contains !== 'function') {
   // privateDeclarePublicGadget
   /////////////////////////////////////////////////////////////////
   function privateDeclarePublicGadget(url, options, parent_gadget) {
-    var gadget_instance;
-    if (options.element === undefined) {
-      options.element = document.createElement("div");
-    }
-
-    function loadDependency(method, url) {
-      return function () {
-        return method(url);
-      };
-    }
 
     return new RSVP.Queue()
       .push(function () {
-        return renderJS.declareGadgetKlass(url);
+        return renderJS.declareGadgetKlass(url)
+          // gadget loading should not be interrupted
+          // if not, gadget's definition will not be complete
+          //.then will return another promise
+          //so loading_klass_promise can't be cancel
+          .then(function (result) {
+            return result;
+          });
       })
       // Get the gadget class and instanciate it
       .push(function (Klass) {
+        if (options.element === undefined) {
+          options.element = document.createElement("div");
+        }
         var i,
-          template_node_list = Klass.__template_element.body.childNodes;
-        gadget_loading_klass = Klass;
+          gadget_instance,
+          template_node_list = Klass.__template_element.body.childNodes,
+          fragment = document.createDocumentFragment();
         gadget_instance = new Klass();
         gadget_instance.element = options.element;
         gadget_instance.state = {};
         for (i = 0; i < template_node_list.length; i += 1) {
-          gadget_instance.element.appendChild(
+          fragment.appendChild(
             template_node_list[i].cloneNode(true)
           );
         }
+        gadget_instance.element.appendChild(fragment);
         setAqParent(gadget_instance, parent_gadget);
-        // Load dependencies if needed
-        return RSVP.all([
-          gadget_instance.getRequiredJSList(),
-          gadget_instance.getRequiredCSSList()
-        ]);
-      })
-      // Load all JS/CSS
-      .push(function (all_list) {
-        var q = new RSVP.Queue(),
-          i;
-        // Load JS
-        for (i = 0; i < all_list[0].length; i += 1) {
-          q.push(loadDependency(renderJS.declareJS, all_list[0][i]));
-        }
-        // Load CSS
-        for (i = 0; i < all_list[1].length; i += 1) {
-          q.push(loadDependency(renderJS.declareCSS, all_list[1][i]));
-        }
-        return q;
-      })
-      .push(function () {
         return gadget_instance;
       });
   }
@@ -1480,6 +1480,17 @@ if (typeof document.contains !== 'function') {
     gadget_instance = new RenderJSIframeGadget();
     setAqParent(gadget_instance, parent_gadget);
     iframe = document.createElement("iframe");
+    iframe.addEventListener('error', function (error) {
+      iframe_loading_deferred.reject(error);
+    });
+    iframe.addEventListener('load', function () {
+      return RSVP.timeout(5000)
+        .fail(function () {
+          iframe_loading_deferred.reject(
+            new Error('Timeout while loading: ' + url)
+          );
+        });
+    });
 //    gadget_instance.element.setAttribute("seamless", "seamless");
     iframe.setAttribute("src", url);
     gadget_instance.__path = url;
@@ -1543,18 +1554,7 @@ if (typeof document.contains !== 'function') {
       trans.delayReturn(true);
     });
 
-    return RSVP.any([
-      iframe_loading_deferred.promise,
-      // Timeout to prevent non renderJS embeddable gadget
-      // XXX Maybe using iframe.onload/onerror would be safer?
-      new RSVP.Queue()
-        .push(function () {
-          return RSVP.timeout(5000);
-        })
-        .push(undefined, function () {
-          throw new Error('Timeout while loading: ' + url);
-        })
-    ]);
+    return iframe_loading_deferred.promise;
   }
 
   /////////////////////////////////////////////////////////////////
@@ -1589,10 +1589,7 @@ if (typeof document.contains !== 'function') {
   /////////////////////////////////////////////////////////////////
   RenderJSGadget
     .declareMethod('declareGadget', function (url, options) {
-      var queue,
-        parent_gadget = this,
-        local_loading_klass_promise,
-        previous_loading_klass_promise = loading_klass_promise;
+      var parent_gadget = this;
 
       if (options === undefined) {
         options = {};
@@ -1603,16 +1600,8 @@ if (typeof document.contains !== 'function') {
 
       // transform url to absolute url if it is relative
       url = renderJS.getAbsoluteURL(url, this.__path);
-      // Change the global variable to update the loading queue
-      loading_klass_promise = new RSVP.Queue()
-        // Wait for previous gadget loading to finish first
-        .push(function () {
-          return previous_loading_klass_promise;
-        })
-        .push(undefined, function () {
-          // Forget previous declareGadget error
-          return;
-        })
+
+      return new RSVP.Queue()
         .push(function () {
           var method;
           if (options.sandbox === "public") {
@@ -1628,41 +1617,17 @@ if (typeof document.contains !== 'function') {
           return method(url, options, parent_gadget);
         })
         // Set the HTML context
-        .push(function (gadget_instance) {
-          // Drop the current loading klass info used by selector
-          gadget_loading_klass = undefined;
-          return gadget_instance;
-        })
-        .push(undefined, function (e) {
-          // Drop the current loading klass info used by selector
-          // even in case of error
-          gadget_loading_klass = undefined;
-          throw e;
-        });
-      //gadget loading should not be interrupted
-      //if not, gadget's definition will not be complete
-      //.then will return another promise
-      //so loading_klass_promise can't be cancel
-      local_loading_klass_promise = loading_klass_promise
-        .then(function (gadget_instance) {
-          return gadget_instance;
-        });
-
-      queue = new RSVP.Queue()
-        .push(function () {
-          return local_loading_klass_promise;
-        })
-        // Set the HTML context
         .push(function (gadget_instance) {
           var i,
-            scope;
+            scope,
+            queue = new RSVP.Queue();
           // Trigger calling of all ready callback
           function ready_wrapper() {
             return gadget_instance;
           }
           function ready_executable_wrapper(fct) {
-            return function (g) {
-              return fct.call(g, g);
+            return function () {
+              return fct.call(gadget_instance, gadget_instance);
             };
           }
           for (i = 0; i < gadget_instance.constructor.__ready_list.length;
@@ -1702,9 +1667,8 @@ if (typeof document.contains !== 'function') {
           // Always return the gadget instance after ready function
           queue.push(ready_wrapper);
 
-          return gadget_instance;
-        });
           return queue;
+        });
     })
     .declareMethod('getDeclaredGadget', function (gadget_scope) {
       if (!this.__sub_gadget_dict.hasOwnProperty(gadget_scope)) {
@@ -1728,7 +1692,7 @@ if (typeof document.contains !== 'function') {
     if (selector === window) {
       // window is the 'this' value when loading a javascript file
       // In this case, use the current loading gadget constructor
-      result = gadget_loading_klass;
+      result = gadget_loading_klass_list[0];
     }
     if (result === undefined) {
       throw new Error("Unknown selector '" + selector + "'");
@@ -1754,18 +1718,8 @@ if (typeof document.contains !== 'function') {
   // renderJS.getAbsoluteURL
   /////////////////////////////////////////////////////////////////
   renderJS.getAbsoluteURL = function (url, base_url) {
-    var doc, base, link,
-      html = "<!doctype><html><head></head></html>";
-
-    if (url && base_url && !isAbsoluteOrDataURL.test(url)) {
-      doc = (new DOMParser()).parseFromString(html, 'text/html');
-      base = doc.createElement('base');
-      link = doc.createElement('link');
-      doc.head.appendChild(base);
-      doc.head.appendChild(link);
-      base.href = base_url;
-      link.href = url;
-      return link.href;
+    if (base_url && url) {
+      return new URL(url, base_url).href;
     }
     return url;
   };
@@ -1773,26 +1727,36 @@ if (typeof document.contains !== 'function') {
   /////////////////////////////////////////////////////////////////
   // renderJS.declareJS
   /////////////////////////////////////////////////////////////////
-  renderJS.declareJS = function (url) {
+  renderJS.declareJS = function (url, container, pop) {
+    // https://www.html5rocks.com/en/tutorials/speed/script-loading/
     // Prevent infinite recursion if loading render.js
     // more than once
     var result;
     if (javascript_registration_dict.hasOwnProperty(url)) {
       result = RSVP.resolve();
     } else {
+      javascript_registration_dict[url] = null;
       result = new RSVP.Promise(function (resolve, reject) {
         var newScript;
         newScript = document.createElement('script');
+        newScript.async = false;
         newScript.type = 'text/javascript';
-        newScript.src = url;
         newScript.onload = function () {
-          javascript_registration_dict[url] = null;
+          if (pop === true) {
+            // Drop the current loading klass info used by selector
+            gadget_loading_klass_list.shift();
+          }
           resolve();
         };
         newScript.onerror = function (e) {
+          if (pop === true) {
+            // Drop the current loading klass info used by selector
+            gadget_loading_klass_list.shift();
+          }
           reject(e);
         };
-        document.head.appendChild(newScript);
+        newScript.src = url;
+        container.appendChild(newScript);
       });
     }
     return result;
@@ -1801,7 +1765,7 @@ if (typeof document.contains !== 'function') {
   /////////////////////////////////////////////////////////////////
   // renderJS.declareCSS
   /////////////////////////////////////////////////////////////////
-  renderJS.declareCSS = function (url) {
+  renderJS.declareCSS = function (url, container) {
     // https://github.com/furf/jquery-getCSS/blob/master/jquery.getCSS.js
     // No way to cleanly check if a css has been loaded
     // So, always resolve the promise...
@@ -1823,7 +1787,7 @@ if (typeof document.contains !== 'function') {
         link.onerror = function (e) {
           reject(e);
         };
-        document.head.appendChild(link);
+        container.appendChild(link);
       });
     }
     return result;
@@ -1832,14 +1796,11 @@ if (typeof document.contains !== 'function') {
   /////////////////////////////////////////////////////////////////
   // renderJS.declareGadgetKlass
   /////////////////////////////////////////////////////////////////
-  renderJS.declareGadgetKlass = function (url) {
-    var result;
 
-    function parse(xhr) {
+  function parse(xhr, url) {
     var tmp_constructor,
       key,
       parsed_html;
-      if (!gadget_model_dict.hasOwnProperty(url)) {
     // Class inheritance
     tmp_constructor = function () {
       RenderJSGadget.call(this);
@@ -1882,27 +1843,60 @@ if (typeof document.contains !== 'function') {
         tmp_constructor.prototype['__' + key] = parsed_html[key];
       }
     }
-
-        gadget_model_dict[url] = tmp_constructor;
+    return tmp_constructor;
   }
 
-      return gadget_model_dict[url];
+  renderJS.declareGadgetKlass = function (url) {
+    if (gadget_model_defer_dict.hasOwnProperty(url)) {
+      // Return klass object if it already exists
+      return gadget_model_defer_dict[url].promise;
     }
 
-    if (gadget_model_dict.hasOwnProperty(url)) {
-      // Return klass object if it already exists
-      result = RSVP.resolve(gadget_model_dict[url]);
-    } else {
+    var tmp_constructor,
+      defer = RSVP.defer();
+
+    gadget_model_defer_dict[url] = defer;
+
+    // Change the global variable to update the loading queue
+    loading_klass_promise = defer.promise;
+
     // Fetch the HTML page and parse it
-      result = new RSVP.Queue()
+    return new RSVP.Queue()
       .push(function () {
         return ajax(url);
       })
-        .push(function (xhr) {
-          return parse(xhr);
-        });
+      .push(function (result) {
+        tmp_constructor = parse(result, url);
+        var fragment = document.createDocumentFragment(),
+          promise_list = [],
+          i,
+          js_list = tmp_constructor.prototype.__required_js_list,
+          css_list = tmp_constructor.prototype.__required_css_list;
+        // Load JS
+        if (js_list.length) {
+          gadget_loading_klass_list.push(tmp_constructor);
+          for (i = 0; i < js_list.length - 1; i += 1) {
+            promise_list.push(renderJS.declareJS(js_list[i], fragment));
           }
-    return result;
+          promise_list.push(renderJS.declareJS(js_list[i], fragment, true));
+        }
+        // Load CSS
+        for (i = 0; i < css_list.length; i += 1) {
+          promise_list.push(renderJS.declareCSS(css_list[i], fragment));
+        }
+        document.head.appendChild(fragment);
+        return RSVP.all(promise_list);
+      })
+      .push(function () {
+        defer.resolve(tmp_constructor);
+        return tmp_constructor;
+      })
+      .push(undefined, function (e) {
+        // Drop the current loading klass info used by selector
+        // even in case of error
+        defer.reject(e);
+        throw e;
+      });
   };
 
   /////////////////////////////////////////////////////////////////
@@ -1910,7 +1904,7 @@ if (typeof document.contains !== 'function') {
   /////////////////////////////////////////////////////////////////
   // For test purpose only
   renderJS.clearGadgetKlassList = function () {
-    gadget_model_dict = {};
+    gadget_model_defer_dict = {};
     javascript_registration_dict = {};
     stylesheet_registration_dict = {};
   };
@@ -1980,7 +1974,7 @@ if (typeof document.contains !== 'function') {
 
   function bootstrap() {
     var url = removeHash(window.location.href),
-      tmp_constructor,
+      TmpConstructor,
       root_gadget,
       loading_gadget_promise = new RSVP.Queue(),
       declare_method_count = 0,
@@ -1996,7 +1990,7 @@ if (typeof document.contains !== 'function') {
       connection_ready = false;
 
     // Create the gadget class for the current url
-    if (gadget_model_dict.hasOwnProperty(url)) {
+    if (gadget_model_defer_dict.hasOwnProperty(url)) {
       throw new Error("bootstrap should not be called twice");
     }
     loading_klass_promise = new RSVP.Promise(function (resolve, reject) {
@@ -2025,40 +2019,42 @@ if (typeof document.contains !== 'function') {
       //    tmp_constructor = RenderJSEmbeddedGadget
       if (window.self === window.top) {
         // XXX Copy/Paste from declareGadgetKlass
-        tmp_constructor = function () {
+        TmpConstructor = function () {
           RenderJSGadget.call(this);
         };
-        tmp_constructor.declareMethod = RenderJSGadget.declareMethod;
-        tmp_constructor.declareJob = RenderJSGadget.declareJob;
-        tmp_constructor.declareAcquiredMethod =
+        TmpConstructor.declareMethod = RenderJSGadget.declareMethod;
+        TmpConstructor.declareJob = RenderJSGadget.declareJob;
+        TmpConstructor.declareAcquiredMethod =
           RenderJSGadget.declareAcquiredMethod;
-        tmp_constructor.allowPublicAcquisition =
+        TmpConstructor.allowPublicAcquisition =
           RenderJSGadget.allowPublicAcquisition;
-        tmp_constructor.__ready_list = RenderJSGadget.__ready_list.slice();
-        tmp_constructor.ready = RenderJSGadget.ready;
-        tmp_constructor.setState = RenderJSGadget.setState;
-        tmp_constructor.onStateChange = RenderJSGadget.onStateChange;
-        tmp_constructor.__service_list = RenderJSGadget.__service_list.slice();
-        tmp_constructor.declareService =
+        TmpConstructor.__ready_list = RenderJSGadget.__ready_list.slice();
+        TmpConstructor.ready = RenderJSGadget.ready;
+        TmpConstructor.setState = RenderJSGadget.setState;
+        TmpConstructor.onStateChange = RenderJSGadget.onStateChange;
+        TmpConstructor.__service_list = RenderJSGadget.__service_list.slice();
+        TmpConstructor.declareService =
           RenderJSGadget.declareService;
-        tmp_constructor.onEvent =
+        TmpConstructor.onEvent =
           RenderJSGadget.onEvent;
-        tmp_constructor.prototype = new RenderJSGadget();
-        tmp_constructor.prototype.constructor = tmp_constructor;
-        tmp_constructor.prototype.__path = url;
-        gadget_model_dict[url] = tmp_constructor;
+        TmpConstructor.prototype = new RenderJSGadget();
+        TmpConstructor.prototype.constructor = TmpConstructor;
+        TmpConstructor.prototype.__path = url;
+        gadget_model_defer_dict[url] = {
+          promise: RSVP.resolve(TmpConstructor)
+        };
 
         // Create the root gadget instance and put it in the loading stack
-        root_gadget = new gadget_model_dict[url]();
+        root_gadget = new TmpConstructor();
 
         setAqParent(root_gadget, last_acquisition_gadget);
 
       } else {
         // Create the root gadget instance and put it in the loading stack
-        tmp_constructor = RenderJSEmbeddedGadget;
-        tmp_constructor.__ready_list = RenderJSGadget.__ready_list.slice();
-        tmp_constructor.__service_list = RenderJSGadget.__service_list.slice();
-        tmp_constructor.prototype.__path = url;
+        TmpConstructor = RenderJSEmbeddedGadget;
+        TmpConstructor.__ready_list = RenderJSGadget.__ready_list.slice();
+        TmpConstructor.__service_list = RenderJSGadget.__service_list.slice();
+        TmpConstructor.prototype.__path = url;
         root_gadget = new RenderJSEmbeddedGadget();
         setAqParent(root_gadget, last_acquisition_gadget);
 
@@ -2072,7 +2068,7 @@ if (typeof document.contains !== 'function') {
             iframe_top_gadget = false;
             //Default: Define __aq_parent to inform parent window
             root_gadget.__aq_parent =
-              tmp_constructor.prototype.__aq_parent = function (method_name,
+              TmpConstructor.prototype.__aq_parent = function (method_name,
                 argument_list, time_out) {
                 return new RSVP.Promise(function (resolve, reject) {
                   embedded_channel.call({
@@ -2154,7 +2150,7 @@ if (typeof document.contains !== 'function') {
         notifyDeclareMethod("getTitle");
 
         // Surcharge declareMethod to inform parent window
-        tmp_constructor.declareMethod = function (name, callback) {
+        TmpConstructor.declareMethod = function (name, callback) {
           var result = RenderJSGadget.declareMethod.apply(
               this,
               [name, callback]
@@ -2163,41 +2159,43 @@ if (typeof document.contains !== 'function') {
           return result;
         };
 
-        tmp_constructor.declareService =
+        TmpConstructor.declareService =
           RenderJSGadget.declareService;
-        tmp_constructor.declareJob =
+        TmpConstructor.declareJob =
           RenderJSGadget.declareJob;
-        tmp_constructor.onEvent =
+        TmpConstructor.onEvent =
           RenderJSGadget.onEvent;
-        tmp_constructor.declareAcquiredMethod =
+        TmpConstructor.declareAcquiredMethod =
           RenderJSGadget.declareAcquiredMethod;
-        tmp_constructor.allowPublicAcquisition =
+        TmpConstructor.allowPublicAcquisition =
           RenderJSGadget.allowPublicAcquisition;
 
         iframe_top_gadget = true;
       }
 
-      tmp_constructor.prototype.__acquired_method_dict = {};
-      gadget_loading_klass = tmp_constructor;
+      TmpConstructor.prototype.__acquired_method_dict = {};
+      gadget_loading_klass_list.push(TmpConstructor);
 
       function init() {
         // XXX HTML properties can only be set when the DOM is fully loaded
         var settings = renderJS.parseGadgetHTMLDocument(document, url),
           j,
-          key;
+          key,
+          fragment = document.createDocumentFragment();
         for (key in settings) {
           if (settings.hasOwnProperty(key)) {
-            tmp_constructor.prototype['__' + key] = settings[key];
+            TmpConstructor.prototype['__' + key] = settings[key];
           }
         }
-        tmp_constructor.__template_element = document.createElement("div");
+        TmpConstructor.__template_element = document.createElement("div");
         root_gadget.element = document.body;
         root_gadget.state = {};
         for (j = 0; j < root_gadget.element.childNodes.length; j += 1) {
-          tmp_constructor.__template_element.appendChild(
+          fragment.appendChild(
             root_gadget.element.childNodes[j].cloneNode(true)
           );
         }
+        TmpConstructor.__template_element.appendChild(fragment);
         RSVP.all([root_gadget.getRequiredJSList(),
                   root_gadget.getRequiredCSSList()])
           .then(function (all_list) {
@@ -2210,7 +2208,7 @@ if (typeof document.contains !== 'function') {
             for (i = 0; i < css_list.length; i += 1) {
               stylesheet_registration_dict[css_list[i]] = null;
             }
-            gadget_loading_klass = undefined;
+            gadget_loading_klass_list.shift();
           }).then(function () {
 
             // select the target node
@@ -2304,15 +2302,15 @@ if (typeof document.contains !== 'function') {
             return fct.call(g, g);
           };
         }
-        tmp_constructor.ready(function (g) {
-          return startService(g);
+        TmpConstructor.ready(function () {
+          return startService(this);
         });
 
         loading_gadget_promise.push(ready_wrapper);
-        for (i = 0; i < tmp_constructor.__ready_list.length; i += 1) {
+        for (i = 0; i < TmpConstructor.__ready_list.length; i += 1) {
           // Put a timeout?
           loading_gadget_promise
-            .push(ready_executable_wrapper(tmp_constructor.__ready_list[i]))
+            .push(ready_executable_wrapper(TmpConstructor.__ready_list[i]))
             // Always return the gadget instance after ready function
             .push(ready_wrapper);
         }
@@ -2349,4 +2347,4 @@ if (typeof document.contains !== 'function') {
   bootstrap();
 
 }(document, window, RSVP, DOMParser, Channel, MutationObserver, Node,
-  FileReader, Blob, navigator, Event));
+  FileReader, Blob, navigator, Event, URL));
\ No newline at end of file