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 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
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 *    notice, this list of conditions and the following disclaimer
 *    in the documentation and/or other materials provided with the
 *    distribution.
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 *    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
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 */

#ifndef CustomElementRegistrationContext_h
#define CustomElementRegistrationContext_h

#include "core/dom/CustomElementDescriptor.h"
#include "core/dom/CustomElementRegistry.h"
#include "core/dom/CustomElementUpgradeCandidateMap.h"
#include "core/dom/QualifiedName.h"
#include "wtf/HashMap.h"
#include "wtf/PassRefPtr.h"
#include "wtf/text/AtomicString.h"

namespace WebCore {

class CustomElementConstructorBuilder;
class CustomElementDefinition;
class Document;
class Element;
class ExceptionState;

class CustomElementRegistrationContext : public RefCounted<CustomElementRegistrationContext> {
public:
    static PassRefPtr<CustomElementRegistrationContext> create();

    ~CustomElementRegistrationContext() { }

    // Definitions
    void registerElement(Document*, CustomElementConstructorBuilder*, const AtomicString& type, ExceptionState&);

    // Instance creation
    PassRefPtr<Element> createCustomTagElement(Document*, const QualifiedName&);
    static void setIsAttributeAndTypeExtension(Element*, const AtomicString& type);
    static void setTypeExtension(Element*, const AtomicString& type);

    // Instance lifecycle
    void customElementWasDestroyed(Element*);

protected:
    CustomElementRegistrationContext() { }

    // Instance creation
    void didGiveTypeExtension(Element*, const AtomicString& type);

private:
    void resolve(Element*, const AtomicString& typeExtension);
    void didResolveElement(CustomElementDefinition*, Element*);
    void didCreateUnresolvedElement(const CustomElementDescriptor&, Element*);

    CustomElementRegistry m_registry;

    // Element creation
    CustomElementUpgradeCandidateMap m_candidates;
};

}

#endif // CustomElementRegistrationContext_h