[DevTools] Support JQuery event listeners

Source/devtools/front_end/elements/EventListenersWidget.js

Index: Source/devtools/front_end/elements/EventListenersWidget.js
diff --git a/Source/devtools/front_end/elements/EventListenersWidget.js b/Source/devtools/front_end/elements/EventListenersWidget.js
index d704e0e2f9ab7323ae4f4cfda5d8dc0c70f20eee..038af65901414eedba88d3d22e9382eb3d7164b0 100644
--- a/Source/devtools/front_end/elements/EventListenersWidget.js
+++ b/Source/devtools/front_end/elements/EventListenersWidget.js
@@ -38,8 +38,14 @@ WebInspector.EventListenersWidget = function()
 
     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");
 }
 
 /**
@@ -53,6 +59,7 @@ WebInspector.EventListenersWidget.createSidebarWrapper = function()
     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));
     return result;
 }
 
@@ -90,7 +97,49 @@ WebInspector.EventListenersWidget.prototype = {
             }
             promises.push(this._windowObjectInNodeContext(node));
         }
-        Promise.all(promises).then(this._eventListenersView.addObjects.bind(this._eventListenersView)).then(finishCallback.bind(this, undefined));
+        this._initializeFrameworkSupport(node).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;
     },
 
     /**
@@ -99,31 +148,51 @@ WebInspector.EventListenersWidget.prototype = {
      */
     _windowObjectInNodeContext: function(node)
     {
-        return new Promise(windowObjectInNodeContext);
+        return new Promise(windowObjectInNodeContext.bind(this));
 
         /**
          * @param {function(?)} fulfill
          * @param {function(*)} reject
+         * @this {!WebInspector.EventListenersWidget}
          */
         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);
+            var context = this._nodeExecutionContext(node);
+            if (context)
+                context.evaluate("self", WebInspector.EventListenersWidget._objectGroupName, false, true, false, false, fulfill);
+            else
+                reject("Empty context");
         }
     },
 
-    _eventListenersArrivedForTest: function()
+    /**
+     * @param {!WebInspector.DOMNode} node
+     * @return {!Promise<void>}
+     */
+    _initializeFrameworkSupport: function(node)
     {
+        return new Promise(initializeFrameworksSupport.bind(this));
+
+        /**
+         * @param {function(?)} fulfill
+         * @param {function(*)} reject
+         * @this {!WebInspector.EventListenersWidget}
+         */
+        function initializeFrameworksSupport(fulfill, reject)
+        {
+            var context = this._nodeExecutionContext(node);
+            var initializeFunction = WebInspector.FrameworksSupport.eventListenersInitializeFunction();
+            if (!context) {
+                reject("Empty context");
+                return;
+            }
+            if (this._frameworkSupportInitializedSymbol in context) {
+                fulfill(undefined);
+                return;
+            }
+            context[this._frameworkSupportInitializedSymbol] = true;
+            context.evaluate(initializeFunction, WebInspector.EventListenersWidget._objectGroupName, false, false, true, false, fulfill);
+        }
     },
 
     __proto__: WebInspector.ThrottledWidget.prototype