V8HTMLOptionElementConstructor.cpp   [plain text]

/*
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#include "config.h"
#include "V8HTMLOptionElementConstructor.h"

#include "HTMLOptionElement.h"
#include "Document.h"
#include "Frame.h"
#include "HTMLNames.h"
#include "Text.h"
#include "V8Binding.h"
#include "V8HTMLOptionElement.h"
#include "V8Proxy.h"

#include <wtf/RefPtr.h>

namespace WebCore {

WrapperTypeInfo V8HTMLOptionElementConstructor::info = { V8HTMLOptionElementConstructor::GetTemplate, 0, false };

static v8::Handle<v8::Value> v8HTMLOptionElementConstructorCallback(const v8::Arguments& args)
{
    INC_STATS("DOM.HTMLOptionElement.Contructor");

    if (!args.IsConstructCall())
        return throwError("DOM object constructor cannot be called as a function.");

    Frame* frame = V8Proxy::retrieveFrameForCurrentContext();
    if (!frame)
        return throwError("Option constructor associated frame is unavailable", V8Proxy::ReferenceError);

    Document* document = frame->document();
    if (!document)
        return throwError("Option constructor associated document is unavailable", V8Proxy::ReferenceError);

    String data;
    String value;
    bool defaultSelected = false;
    bool selected = false;
    if (args.Length() > 0 && !args[0]->IsUndefined())
        data = toWebCoreString(args[0]);
    if (args.Length() > 1 && !args[1]->IsUndefined())
        value = toWebCoreString(args[1]);
    if (args.Length() > 2)
        defaultSelected = args[2]->BooleanValue();
    if (args.Length() > 3)
        selected = args[3]->BooleanValue();

    ExceptionCode ec = 0;
    RefPtr<HTMLOptionElement> option = HTMLOptionElement::createForJSConstructor(document, data, value, defaultSelected, selected, ec);

    if (ec)
        throwError(ec);

    V8DOMWrapper::setDOMWrapper(args.Holder(), &V8HTMLOptionElementConstructor::info, option.get());
    option->ref();
    V8DOMWrapper::setJSWrapperForDOMNode(option.get(), v8::Persistent<v8::Object>::New(args.Holder()));
    return args.Holder();
}

v8::Persistent<v8::FunctionTemplate> V8HTMLOptionElementConstructor::GetTemplate()
{
    static v8::Persistent<v8::FunctionTemplate> cachedTemplate;
    if (!cachedTemplate.IsEmpty())
        return cachedTemplate;

    v8::HandleScope scope;
    v8::Local<v8::FunctionTemplate> result = v8::FunctionTemplate::New(v8HTMLOptionElementConstructorCallback);

    v8::Local<v8::ObjectTemplate> instance = result->InstanceTemplate();
    instance->SetInternalFieldCount(V8HTMLOptionElement::internalFieldCount);
    result->SetClassName(v8::String::New("HTMLOptionElement"));
    result->Inherit(V8HTMLOptionElement::GetTemplate());

    cachedTemplate = v8::Persistent<v8::FunctionTemplate>::New(result);
    return cachedTemplate;
}

} // namespace WebCore