[DevTools] Event Listeners Sidebar shows window listeners

Source/core/inspector/InspectorRuntimeAgent.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 15 matching lines @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "core/inspector/InspectorRuntimeAgent.h"
 
 #include "bindings/core/v8/DOMWrapperWorld.h"
 #include "bindings/core/v8/ScriptDebugServer.h"
+#include "bindings/core/v8/ScriptEventListener.h"
 #include "bindings/core/v8/ScriptState.h"
+#include "core/dom/Document.h"
+#include "core/dom/Node.h"
+#include "core/events/EventTarget.h"
+#include "core/frame/DOMWindow.h"
+#include "core/frame/LocalDOMWindow.h"
 #include "core/inspector/InjectedScript.h"
 #include "core/inspector/InjectedScriptManager.h"
 #include "core/inspector/InspectorState.h"
 #include "platform/JSONValues.h"
 
 using blink::TypeBuilder::Runtime::ExecutionContextDescription;
 
 namespace blink {
 
 namespace InspectorRuntimeAgentState {
@@ skipping 85 matching lines @@
 
     injectedScript.getProperties(errorString, objectId, asBool(ownProperties), asBool(accessorPropertiesOnly), asBool(generatePreview), &result);
 
     if (!asBool(accessorPropertiesOnly))
         injectedScript.getInternalProperties(errorString, objectId, &internalProperties);
 
     unmuteConsole();
     setPauseOnExceptionsState(m_scriptDebugServer, previousPauseOnExceptionsState);
 }
 
+void InspectorRuntimeAgent::getEventListeners(ErrorString* errorString, const String& objectId, const String* objectGroup, RefPtr<TypeBuilder::Array<TypeBuilder::Runtime::EventListener>>& listenersArray)
+{
+    InjectedScript injectedScript = m_injectedScriptManager->injectedScriptForObjectId(objectId);
+    if (injectedScript.isEmpty()) {
+        *errorString = "Inspected frame has gone";
+        return;
+    }
+    listenersArray = TypeBuilder::Array<TypeBuilder::Runtime::EventListener>::create();
+    EventTarget* target = injectedScript.eventTargetForObjectId(objectId);
+    if (!target)

[pfeldman, 2015/04/10 08:45:11]

Lets return error here.

[kozy, 2015/04/13 14:26:54]

Done.

+        return;
+    Vector<EventListenerInfo> eventInformation;
+    EventListenerInfo::getEventListeners(target, eventInformation, true);
+    if (!eventInformation.size())
+        return;
+    RegisteredEventListenerIterator iterator(eventInformation);
+    while (const RegisteredEventListener* listener = iterator.nextRegisteredEventListener()) {
+        const EventListenerInfo& info = iterator.currentEventListenerInfo();
+        RefPtr<TypeBuilder::Runtime::EventListener> listenerObject = buildObjectForEventListener(*listener, info.eventType, info.eventTarget, objectGroup);
+        if (listenerObject)
+            listenersArray->addItem(listenerObject);
+    }
+}
+
+PassRefPtr<TypeBuilder::Runtime::EventListener> InspectorRuntimeAgent::buildObjectForEventListener(const RegisteredEventListener& registeredEventListener, const AtomicString& eventType, EventTarget* target, const String* objectGroupId)
+{
+    RefPtr<EventListener> eventListener = registeredEventListener.listener;
+    String scriptId;
+    int lineNumber;
+    int columnNumber;
+    ExecutionContext* context = target->executionContext();
+    if (!context)
+        return nullptr;
+    if (!eventListenerHandlerLocation(context, eventListener.get(), scriptId, lineNumber, columnNumber))
+        return nullptr;
+
+    RefPtr<TypeBuilder::Debugger::Location> location = TypeBuilder::Debugger::Location::create()
+        .setScriptId(scriptId)
+        .setLineNumber(lineNumber);
+    location->setColumnNumber(columnNumber);
+    RefPtr<TypeBuilder::Runtime::EventListener> value = TypeBuilder::Runtime::EventListener::create()
+        .setType(eventType)
+        .setUseCapture(registeredEventListener.useCapture)
+        .setIsAttribute(eventListener->isAttribute())
+        .setLocation(location);
+    if (objectGroupId) {

[pfeldman, 2015/04/10 08:45:11]

This part can be reused w/ DOM.

[kozy, 2015/04/13 14:26:54]

Done.

+        ScriptValue functionValue = eventListenerHandler(context, eventListener.get());
+        if (!functionValue.isEmpty() && context->isDocument()) {
+            LocalFrame* frame = toDocument(context)->frame();
+            if (frame) {
+                ScriptState* scriptState = eventListenerHandlerScriptState(frame, eventListener.get());
+                if (scriptState) {
+                    InjectedScript injectedScript = m_injectedScriptManager->injectedScriptFor(scriptState);
+                    if (!injectedScript.isEmpty()) {
+                        RefPtr<TypeBuilder::Runtime::RemoteObject> valueJson = injectedScript.wrapObject(functionValue, *objectGroupId);
+                        value->setHandler(valueJson);
+                    }
+                }
+            }
+        }
+    }
+    return value.release();
+}
+
 void InspectorRuntimeAgent::releaseObject(ErrorString*, const String& objectId)
 {
     InjectedScript injectedScript = m_injectedScriptManager->injectedScriptForObjectId(objectId);
     if (injectedScript.isEmpty())
         return;
     bool pausingOnNextStatement = m_scriptDebugServer->pausingOnNextStatement();
     if (pausingOnNextStatement)
         m_scriptDebugServer->setPauseOnNextStatement(false);
     injectedScript.releaseObject(objectId);
     if (pausingOnNextStatement)
@@ skipping 65 matching lines @@
         .setName(humanReadableName)
         .setOrigin(origin)
         .setFrameId(frameId);
     if (isPageContext)
         description->setIsPageContext(isPageContext);
     frontend()->executionContextCreated(description.release());
 }
 
 } // namespace blink