Source/WebCore/bindings/v8/custom/V8DOMStringMapCustom.cpp

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 *
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 * notice, this list of conditions and the following disclaimer.
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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#include "config.h"
#include "V8DOMStringMap.h"

#include "DOMStringMap.h"
#include "V8Binding.h"
#include "V8DOMWrapper.h"
#include "V8Element.h"

namespace WebCore {

v8::Handle<v8::Integer> V8DOMStringMap::namedPropertyQuery(v8::Local<v8::String> name, const v8::AccessorInfo& info)
{
    INC_STATS("DOM.DOMStringMap.NamedPropertyQuery");
    if (V8DOMStringMap::toNative(info.Holder())->contains(toWebCoreString(name)))
        return v8::Integer::New(v8::None);
    return v8::Handle<v8::Integer>();
}

v8::Handle<v8::Value> V8DOMStringMap::namedPropertyGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
{
    INC_STATS("DOM.DOMStringMap.NamedPropertyGetter");
    return v8String(V8DOMStringMap::toNative(info.Holder())->item(toWebCoreString(name)));
}

v8::Handle<v8::Array> V8DOMStringMap::namedPropertyEnumerator(const v8::AccessorInfo& info)
{
    INC_STATS("DOM.DOMStringMap.NamedPropertyEnumerator");
    Vector<String> names;
    V8DOMStringMap::toNative(info.Holder())->getNames(names);
    v8::Handle<v8::Array> properties = v8::Array::New(names.size());
    for (unsigned i = 0; i < names.size(); ++i)
        properties->Set(v8::Integer::New(i), v8String(names[i]));
    return properties;
}

v8::Handle<v8::Boolean> V8DOMStringMap::namedPropertyDeleter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
{
    INC_STATS("DOM.DOMStringMap.NamedPropertyDeleter");
    v8::Handle<v8::Value> value = info.Holder()->GetRealNamedPropertyInPrototypeChain(name);
    if (!value.IsEmpty())
        return v8::False();
    if (info.Holder()->HasRealNamedCallbackProperty(name))
        return v8::False();

    ExceptionCode ec = 0;
    V8DOMStringMap::toNative(info.Holder())->deleteItem(toWebCoreString(name), ec);
    if (ec)
        throwError(ec);
    return v8::True();
}

v8::Handle<v8::Value> V8DOMStringMap::namedPropertySetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
{
    INC_STATS("DOM.DOMStringMap.NamedPropertySetter");
    v8::Handle<v8::Value> property = info.Holder()->GetRealNamedPropertyInPrototypeChain(name);
    if (!property.IsEmpty())
        return value;
    if (info.Holder()->HasRealNamedCallbackProperty(name))
        return value;

    ExceptionCode ec = 0;
    V8DOMStringMap::toNative(info.Holder())->setItem(toWebCoreString(name), toWebCoreString(value), ec);
    if (ec)
        return throwError(ec);
    return value;
}

v8::Handle<v8::Value> toV8(DOMStringMap* impl)
{
    if (!impl)
        return v8::Null();
    v8::Handle<v8::Object> wrapper = V8DOMStringMap::wrap(impl);
    // Add a hidden reference from the element to the DOMStringMap.
    Element* element = impl->element();
    if (!wrapper.IsEmpty() && element) {
        v8::Handle<v8::Value> elementValue = toV8(element);
        if (!elementValue.IsEmpty() && elementValue->IsObject())
            V8DOMWrapper::setNamedHiddenReference(elementValue.As<v8::Object>(), "domStringMap", wrapper);
    }
    return wrapper;
}

} // namespace WebCore