sky/engine/bindings-dart/core/dart/custom/DartMutationObserverCustom.cpp

// Copyright 2011, Google Inc.
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#include "config.h"

#include "bindings/core/dart/DartMutationObserver.h"

#include "bindings/core/dart/DartMutationCallback.h"

namespace blink {

namespace DartMutationObserverInternal {

void constructorCallback(Dart_NativeArguments args)
{
    Dart_Handle exception = 0;
    {
        Dart_Handle dartCallback = Dart_GetNativeArgument(args, 0);
        if (!Dart_IsClosure(dartCallback)) {
            DartExceptionState es;
            es.throwDOMException(TypeMismatchError);
            exception = es.toDart(args);
            goto fail;
        }

        OwnPtr<MutationCallback> callback = DartMutationCallback::create(dartCallback, DartUtilities::scriptExecutionContext(), exception);
        if (exception)
            goto fail;

        RefPtr<MutationObserver> observer = MutationObserver::create(callback.release());

        DartDOMWrapper::returnToDart<DartMutationObserver>(args, observer.get());
        return;
    }

fail:
    Dart_ThrowException(exception);
    ASSERT_NOT_REACHED();
}

}

}