Source/WebCore/bindings/v8/custom/V8NodeCustom.cpp

/*
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
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 *
 *     * Redistributions of source code must retain the above copyright
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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
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "config.h"
#include "Node.h"

#include "BindingState.h"
#include "Document.h"
#include "EventListener.h"
#include "ShadowRoot.h"
#include "V8AbstractEventListener.h"
#include "V8Attr.h"
#include "V8Binding.h"
#include "V8CDATASection.h"
#include "V8Comment.h"
#include "V8Document.h"
#include "V8DocumentFragment.h"
#include "V8DocumentType.h"
#include "V8Element.h"
#include "V8Entity.h"
#include "V8EntityReference.h"
#include "V8EventListener.h"
#include "V8HTMLElement.h"
#include "V8Node.h"
#include "V8Notation.h"
#include "V8ProcessingInstruction.h"
#include "V8Text.h"
#include <wtf/RefPtr.h>

#if ENABLE(SVG)
#include "V8SVGElement.h"
#endif

namespace WebCore {

// This function is customized to take advantage of the optional 4th argument: shouldLazyAttach
v8::Handle<v8::Value> V8Node::insertBeforeCallback(const v8::Arguments& args)
{
    INC_STATS("DOM.Node.insertBefore");
    v8::Handle<v8::Object> holder = args.Holder();
    Node* imp = V8Node::toNative(holder);
    ExceptionCode ec = 0;
    Node* newChild = V8Node::HasInstance(args[0]) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(args[0])) : 0;
    Node* refChild = V8Node::HasInstance(args[1]) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(args[1])) : 0;
    bool success = imp->insertBefore(newChild, refChild, ec, true);
    if (ec)
        return setDOMException(ec, args.GetIsolate());
    if (success)
        return args[0];
    return v8::Null(args.GetIsolate());
}

// This function is customized to take advantage of the optional 4th argument: shouldLazyAttach
v8::Handle<v8::Value> V8Node::replaceChildCallback(const v8::Arguments& args)
{
    INC_STATS("DOM.Node.replaceChild");
    v8::Handle<v8::Object> holder = args.Holder();
    Node* imp = V8Node::toNative(holder);
    ExceptionCode ec = 0;
    Node* newChild = V8Node::HasInstance(args[0]) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(args[0])) : 0;
    Node* oldChild = V8Node::HasInstance(args[1]) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(args[1])) : 0;
    bool success = imp->replaceChild(newChild, oldChild, ec, true);
    if (ec)
        return setDOMException(ec, args.GetIsolate());
    if (success)
        return args[1];
    return v8::Null(args.GetIsolate());
}

v8::Handle<v8::Value> V8Node::removeChildCallback(const v8::Arguments& args)
{
    INC_STATS("DOM.Node.removeChild");
    v8::Handle<v8::Object> holder = args.Holder();
    Node* imp = V8Node::toNative(holder);
    ExceptionCode ec = 0;
    Node* oldChild = V8Node::HasInstance(args[0]) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(args[0])) : 0;
    bool success = imp->removeChild(oldChild, ec);
    if (ec)
        return setDOMException(ec, args.GetIsolate());
    if (success)
        return args[0];
    return v8::Null(args.GetIsolate());
}

// This function is customized to take advantage of the optional 4th argument: shouldLazyAttach
v8::Handle<v8::Value> V8Node::appendChildCallback(const v8::Arguments& args)
{
    INC_STATS("DOM.Node.appendChild");
    v8::Handle<v8::Object> holder = args.Holder();
    Node* imp = V8Node::toNative(holder);
    ExceptionCode ec = 0;
    Node* newChild = V8Node::HasInstance(args[0]) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(args[0])) : 0;
    bool success = imp->appendChild(newChild, ec, true );
    if (ec)
        return setDOMException(ec, args.GetIsolate());
    if (success)
        return args[0];
    return v8::Null(args.GetIsolate());
}

v8::Handle<v8::Value> toV8Slow(Node* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate, bool forceNewObject)
{
    if (!impl)
        return v8NullWithCheck(isolate);

    if (!forceNewObject) {
        v8::Handle<v8::Value> wrapper = V8DOMWrapper::getCachedWrapper(impl);
        if (!wrapper.IsEmpty())
            return wrapper;
    }
    switch (impl->nodeType()) {
    case Node::ELEMENT_NODE:
        if (impl->isHTMLElement())
            return toV8(toHTMLElement(impl), creationContext, isolate, forceNewObject);
#if ENABLE(SVG)
        if (impl->isSVGElement())
            return toV8(static_cast<SVGElement*>(impl), creationContext, isolate, forceNewObject);
#endif
        return V8Element::wrap(static_cast<Element*>(impl), creationContext, isolate, forceNewObject);
    case Node::ATTRIBUTE_NODE:
        return toV8(static_cast<Attr*>(impl), creationContext, isolate, forceNewObject);
    case Node::TEXT_NODE:
        return toV8(toText(impl), creationContext, isolate, forceNewObject);
    case Node::CDATA_SECTION_NODE:
        return toV8(static_cast<CDATASection*>(impl), creationContext, isolate, forceNewObject);
    case Node::ENTITY_REFERENCE_NODE:
        return toV8(static_cast<EntityReference*>(impl), creationContext, isolate, forceNewObject);
    case Node::ENTITY_NODE:
        return toV8(static_cast<Entity*>(impl), creationContext, isolate, forceNewObject);
    case Node::PROCESSING_INSTRUCTION_NODE:
        return toV8(static_cast<ProcessingInstruction*>(impl), creationContext, isolate, forceNewObject);
    case Node::COMMENT_NODE:
        return toV8(static_cast<Comment*>(impl), creationContext, isolate, forceNewObject);
    case Node::DOCUMENT_NODE:
        return toV8(static_cast<Document*>(impl), creationContext, isolate, forceNewObject);
    case Node::DOCUMENT_TYPE_NODE:
        return toV8(static_cast<DocumentType*>(impl), creationContext, isolate, forceNewObject);
    case Node::DOCUMENT_FRAGMENT_NODE:
        return toV8(static_cast<DocumentFragment*>(impl), creationContext, isolate, forceNewObject);
    case Node::NOTATION_NODE:
        return toV8(static_cast<Notation*>(impl), creationContext, isolate, forceNewObject);
    default:
        break; // XPATH_NAMESPACE_NODE
    }
    return V8Node::wrap(impl, creationContext, isolate, forceNewObject);
}
} // namespace WebCore