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35 #include "V8WorkerContextEventListener.h"
38 #include "WorkerContextExecutionProxy.h"
42 V8WorkerContextEventListener::V8WorkerContextEventListener(WorkerContextExecutionProxy* proxy, v8::Local<v8::Object> listener, bool isInline)
43 : V8EventListener(0, listener, isInline)
48 V8WorkerContextEventListener::~V8WorkerContextEventListener()
51 m_proxy->RemoveEventListener(this);
52 disposeListenerObject();
55 void V8WorkerContextEventListener::handleEvent(Event* event, bool isWindowEvent)
57 // Is the EventListener disconnected?
61 // The callback function on XMLHttpRequest can clear the event listener and destroys 'this' object. Keep a local reference to it.
63 RefPtr<V8AbstractEventListener> protect(this);
65 v8::HandleScope handleScope;
67 v8::Handle<v8::Context> context = m_proxy->GetContext();
68 if (context.IsEmpty())
71 // Enter the V8 context in which to perform the event handling.
72 v8::Context::Scope scope(context);
74 // Get the V8 wrapper for the event object.
75 v8::Handle<v8::Value> jsEvent = WorkerContextExecutionProxy::EventToV8Object(event);
77 invokeEventHandler(context, event, jsEvent, isWindowEvent);
80 v8::Local<v8::Value> V8WorkerContextEventListener::callListenerFunction(v8::Handle<v8::Value> jsEvent, Event* event, bool isWindowEvent)
82 v8::Local<v8::Function> handlerFunction = getListenerFunction();
83 v8::Local<v8::Object> receiver = getReceiverObject(event, isWindowEvent);
84 if (handlerFunction.IsEmpty() || receiver.IsEmpty())
85 return v8::Local<v8::Value>();
87 v8::Handle<v8::Value> parameters[1] = { jsEvent };
88 v8::Local<v8::Value> result = handlerFunction->Call(receiver, 1, parameters);
90 m_proxy->trackEvent(event);
95 v8::Local<v8::Object> V8WorkerContextEventListener::getReceiverObject(Event* event, bool isWindowEvent)
97 if (!m_listener.IsEmpty() && !m_listener->IsFunction())
98 return v8::Local<v8::Object>::New(m_listener);
101 return v8::Context::GetCurrent()->Global();
103 EventTarget* target = event->currentTarget();
104 v8::Handle<v8::Value> value = WorkerContextExecutionProxy::EventTargetToV8Object(target);
106 return v8::Local<v8::Object>();
107 return v8::Local<v8::Object>::New(v8::Handle<v8::Object>::Cast(value));
110 } // namespace WebCore