/*

 * Copyright (C) 2007, 2008 Apple 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 COMPUTER, INC. ``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 COMPUTER, INC. OR

 * 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 WebKitCSSKeyframeRule_h

#define WebKitCSSKeyframeRule_h

#include "CSSRule.h"

#include <wtf/PassRefPtr.h>

#include <wtf/RefPtr.h>

namespace WebCore {

class CSSMutableStyleDeclaration;

typedef int ExceptionCode;

class WebKitCSSKeyframeRule : public CSSRule {

public:

    static PassRefPtr<WebKitCSSKeyframeRule> create()

    {

        return adoptRef(new WebKitCSSKeyframeRule(0));

    }

    static PassRefPtr<WebKitCSSKeyframeRule> create(CSSStyleSheet* parent)

    {

        return adoptRef(new WebKitCSSKeyframeRule(parent));

    }

    virtual ~WebKitCSSKeyframeRule();

    virtual bool isKeyframeRule() { return true; }

    // Inherited from CSSRule

    virtual unsigned short type() const { return WEBKIT_KEYFRAME_RULE; }

    String keyText() const              { return m_key; }

    void setKeyText(const String& s)    { m_key = s; }

    void getKeys(Vector<float>& keys) const   { parseKeyString(m_key, keys); }

    CSSMutableStyleDeclaration* style() const { return m_style.get(); }

    virtual String cssText() const;

    // Not part of the CSSOM

    virtual bool parseString(const String&, bool = false);

    void setDeclaration(PassRefPtr<CSSMutableStyleDeclaration>);

    CSSMutableStyleDeclaration*         declaration()       { return m_style.get(); }

    const CSSMutableStyleDeclaration*   declaration() const { return m_style.get(); }

private:

    static void parseKeyString(const String& s, Vector<float>& keys);

    WebKitCSSKeyframeRule(CSSStyleSheet* parent);

    RefPtr<CSSMutableStyleDeclaration> m_style;

    String m_key;        // comma separated list of keys

};

} // namespace WebCore

#endif // WebKitCSSKeyframeRule_h