/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * 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.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef DOMSettableTokenList_h
#define DOMSettableTokenList_h

#include "core/dom/SpaceSplitString.h"
#include "core/html/DOMTokenList.h"
#include "wtf/RefCounted.h"
#include "wtf/text/AtomicString.h"

namespace WebCore {

class ExceptionState;

class DOMSettableTokenList : public DOMTokenList, public RefCounted<DOMSettableTokenList> {
    WTF_MAKE_FAST_ALLOCATED;
public:
    static PassRefPtr<DOMSettableTokenList> create()
    {
        return adoptRef(new DOMSettableTokenList());
    }
    virtual ~DOMSettableTokenList();

    virtual void ref() OVERRIDE { RefCounted<DOMSettableTokenList>::ref(); }
    virtual void deref() OVERRIDE { RefCounted<DOMSettableTokenList>::deref(); }

    virtual unsigned length() const OVERRIDE { return m_tokens.size(); }
    virtual const AtomicString item(unsigned index) const OVERRIDE;

    virtual void add(const Vector<String>&, ExceptionState&) OVERRIDE;
    virtual void remove(const Vector<String>&, ExceptionState&) OVERRIDE;

    virtual AtomicString value() const OVERRIDE { return m_value; }
    virtual void setValue(const AtomicString&) OVERRIDE;

    const SpaceSplitString& tokens() const { return m_tokens; }

protected:
    DOMSettableTokenList();

private:
    virtual void addInternal(const AtomicString&) OVERRIDE;
    virtual bool containsInternal(const AtomicString&) const OVERRIDE;
    virtual void removeInternal(const AtomicString&) OVERRIDE;

    AtomicString m_value;
    SpaceSplitString m_tokens;
};

} // namespace WebCore

#endif // DOMSettableTokenList_h