V8WorkerContextErrorHandler.cpp   [plain text]

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
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 *
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#include "config.h"

#if ENABLE(WORKERS)

#include "V8WorkerContextErrorHandler.h"

#include "ErrorEvent.h"
#include "V8Binding.h"

namespace WebCore {

V8WorkerContextErrorHandler::V8WorkerContextErrorHandler(v8::Local<v8::Object> listener, bool isInline, const WorldContextHandle& worldContext)
    : V8WorkerContextEventListener(listener, isInline, worldContext)
{
}

v8::Local<v8::Value> V8WorkerContextErrorHandler::callListenerFunction(ScriptExecutionContext* context, v8::Handle<v8::Value> jsEvent, Event* event)
{
    ASSERT(event->isErrorEvent());
    v8::Local<v8::Object> listener = getListenerObject(context);
    v8::Local<v8::Value> returnValue;
    if (!listener.IsEmpty() && listener->IsFunction()) {
        ErrorEvent* errorEvent = static_cast<ErrorEvent*>(event);
        v8::Local<v8::Function> callFunction = v8::Local<v8::Function>::Cast(listener);
        v8::Local<v8::Object> thisValue = v8::Context::GetCurrent()->Global();
        v8::Handle<v8::Value> parameters[3] = { v8String(errorEvent->message()), v8String(errorEvent->filename()), v8::Integer::New(errorEvent->lineno()) };
        returnValue = callFunction->Call(thisValue, 3, parameters);
        if (!returnValue.IsEmpty() && returnValue->IsBoolean() && !returnValue->BooleanValue())
            event->preventDefault();
    }
    return returnValue;
}

} // namespace WebCore

#endif // WORKERS