[DevTools] Support JQuery event listeners

Source/devtools/front_end/elements/EventListenersWidget.js

 /*
  * Copyright (C) 2007 Apple Inc.  All rights reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 20 matching lines @@
  * @constructor
  * @extends {WebInspector.ThrottledWidget}
  */
 WebInspector.EventListenersWidget = function()
 {
     WebInspector.ThrottledWidget.call(this);
     this.element.classList.add("events-pane");
 
     this._showForAncestorsSetting = WebInspector.settings.createSetting("showEventListenersForAncestors", true);
     this._showForAncestorsSetting.addChangeListener(this.update.bind(this));
+
+    this._showFrameworkListenersSetting = WebInspector.settings.createSetting("_showFrameworkListeners", true);
+    this._showFrameworkListenersSetting.addChangeListener(this._showFrameworkUserListenersChanged.bind(this));
+
     this._eventListenersView = new WebInspector.EventListenersView(this.element);
     WebInspector.context.addFlavorChangeListener(WebInspector.DOMNode, this.update, this);
+
+    this._frameworkSupportInitializedSymbol = Symbol("frameworkSupportInitialized");
 }
 
 /**
  * @return {!WebInspector.ElementsSidebarViewWrapperPane}
  */
 WebInspector.EventListenersWidget.createSidebarWrapper = function()
 {
     var widget = new WebInspector.EventListenersWidget();
     var result = new WebInspector.ElementsSidebarViewWrapperPane(WebInspector.UIString("Event Listeners"), widget);
     var refreshButton = new WebInspector.ToolbarButton(WebInspector.UIString("Refresh"), "refresh-toolbar-item");
     refreshButton.addEventListener("click", widget.update.bind(widget));
     result.toolbar().appendToolbarItem(refreshButton);
     result.toolbar().appendToolbarItem(new WebInspector.ToolbarCheckbox(WebInspector.UIString("Ancestors"), WebInspector.UIString("Show listeners on the ancestors"), widget._showForAncestorsSetting));
+    result.toolbar().appendToolbarItem(new WebInspector.ToolbarCheckbox(WebInspector.UIString("Framework user's listeners"), WebInspector.UIString("Show framework user event listeners"), widget._showFrameworkListenersSetting));

[paulirish, 2015/08/14 21:03:15]

Checkbox: Framework listeners
Tooltip: Resolve event listeners bound with frameworks

     return result;
 }
 
 WebInspector.EventListenersWidget._objectGroupName = "event-listeners-panel";
 
 WebInspector.EventListenersWidget.prototype = {
     /**
      * @override
      * @param {!WebInspector.Throttler.FinishCallback} finishCallback
      * @protected
      */
     doUpdate: function(finishCallback)
     {
         if (this._lastRequestedNode) {
             this._lastRequestedNode.target().runtimeAgent().releaseObjectGroup(WebInspector.EventListenersWidget._objectGroupName);
             delete this._lastRequestedNode;
         }
         var node = WebInspector.context.flavor(WebInspector.DOMNode);
         if (!node) {
             this._eventListenersView.reset();
             this._eventListenersView.addEmptyHolderIfNeeded();
             finishCallback();
             return;
         }
         this._lastRequestedNode = node;
         var selectedNodeOnly = !this._showForAncestorsSetting.get();
+        var context = this._nodeExecutionContext(node);
         var promises = [];
         var listenersView = this._eventListenersView;
         promises.push(node.resolveToObjectPromise(WebInspector.EventListenersWidget._objectGroupName));
         if (!selectedNodeOnly) {
             var currentNode = node.parentNode;
             while (currentNode) {
                 promises.push(currentNode.resolveToObjectPromise(WebInspector.EventListenersWidget._objectGroupName));
                 currentNode = currentNode.parentNode;
             }
-            promises.push(this._windowObjectInNodeContext(node));
+            promises.push(this._windowObjectInContext(context));
         }
-        Promise.all(promises).then(this._eventListenersView.addObjects.bind(this._eventListenersView)).then(finishCallback.bind(this, undefined));
+        WebInspector.EventListenersFrameworkSupport.initializeOnContext(context).then(addEventListeners.bind(this));
+
+        /**
+         * @this {!WebInspector.EventListenersWidget}
+         */
+        function addEventListeners()
+        {
+            Promise.all(promises).then(this._eventListenersView.addObjects.bind(this._eventListenersView)).then(showResolvedHandlers.bind(this));
+        }
+
+        /**
+         * @this {!WebInspector.EventListenersWidget}
+         */
+        function showResolvedHandlers()
+        {
+            this._showFrameworkUserListenersChanged();
+            finishCallback();
+        }
+    },
+
+    _showFrameworkUserListenersChanged: function()
+    {
+        this._eventListenersView.showFrameworkUserEventListeners(this._showFrameworkListenersSetting.get());
     },
 
     /**
      * @param {!WebInspector.DOMNode} node
+     * @return {?WebInspector.ExecutionContext}
+     */
+    _nodeExecutionContext: function(node)
+    {
+        var executionContexts = node.target().runtimeModel.executionContexts();
+        var context = null;
+        if (node.frameId()) {
+            for (var i = 0; i < executionContexts.length; ++i) {
+                var executionContext = executionContexts[i];
+                if (executionContext.frameId === node.frameId() && executionContext.isMainWorldContext)
+                    context = executionContext;
+            }
+        } else {
+            context = executionContexts[0];
+        }
+        return context;
+    },
+
+    /**
+     * @param {?WebInspector.ExecutionContext} context
      * @return {!Promise<!WebInspector.RemoteObject>}
      */
-    _windowObjectInNodeContext: function(node)
+    _windowObjectInContext: function(context)
     {
         return new Promise(windowObjectInNodeContext);
 
         /**
          * @param {function(?)} fulfill
          * @param {function(*)} reject
          */
         function windowObjectInNodeContext(fulfill, reject)
         {
-            var executionContexts = node.target().runtimeModel.executionContexts();
-            var context = null;
-            if (node.frameId()) {
-                for (var i = 0; i < executionContexts.length; ++i) {
-                    var executionContext = executionContexts[i];
-                    if (executionContext.frameId === node.frameId() && executionContext.isMainWorldContext)
-                        context = executionContext;
-                }
-            } else {
-                context = executionContexts[0];
-            }
-            context.evaluate("self", WebInspector.EventListenersWidget._objectGroupName, false, true, false, false, fulfill);
+            if (context)
+                context.evaluate("self", WebInspector.EventListenersWidget._objectGroupName, false, true, false, false, fulfill);
+            else
+                reject("Empty context");
         }
     },
 
-    _eventListenersArrivedForTest: function()
-    {
-    },
-
     __proto__: WebInspector.ThrottledWidget.prototype
 }