V8DOMStringMapCustom.cpp   [plain text]

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
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 *
 * 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");
    String value = V8DOMStringMap::toNative(info.Holder())->item(toWebCoreString(name));
    if (value.isNull())
        return notHandledByInterceptor();
    return v8StringOrUndefined(value);
}

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 (size_t 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");
    ExceptionCode ec = 0;
    V8DOMStringMap::toNative(info.Holder())->deleteItem(toWebCoreString(name), ec);
    return ec ? v8::False() : 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");
    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, v8::Isolate* isolate)
{
    if (!impl)
        return v8::Null();
    v8::Handle<v8::Object> wrapper = V8DOMStringMap::wrap(impl, isolate);
    // 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, isolate);
        if (!elementValue.IsEmpty() && elementValue->IsObject())
            elementValue.As<v8::Object>()->SetHiddenValue(V8HiddenPropertyName::domStringMap(), wrapper);
    }
    return wrapper;
}

} // namespace WebCore