/*

 * 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 CSSFontFaceSource_h

#define CSSFontFaceSource_h

#include "AtomicString.h"

#include "CachedResourceClient.h"

#include "CachedResourceHandle.h"

#include <wtf/HashMap.h>

namespace WebCore {

class CachedFont;

class CSSFontFace;

class CSSFontSelector;

class FontDescription;

class SimpleFontData;

#if ENABLE(SVG_FONTS)

class SVGFontElement;

class SVGFontFaceElement;

#endif

class CSSFontFaceSource : public CachedResourceClient {

public:

    CSSFontFaceSource(const String&, CachedFont* = 0);

    virtual ~CSSFontFaceSource();

    bool isLoaded() const;

    bool isValid() const;

    const AtomicString& string() const { return m_string; }

    void setFontFace(CSSFontFace* face) { m_face = face; }

    virtual void fontLoaded(CachedFont*);

    SimpleFontData* getFontData(const FontDescription&, bool syntheticBold, bool syntheticItalic, CSSFontSelector*);

    void pruneTable();

#if ENABLE(SVG_FONTS)

    SVGFontFaceElement* svgFontFaceElement() const { return m_svgFontFaceElement; }

    void setSVGFontFaceElement(SVGFontFaceElement* element) { m_svgFontFaceElement = element; }

#endif

private:

    AtomicString m_string; // URI for remote, built-in font name for local.

    CachedResourceHandle<CachedFont> m_font; // For remote fonts, a pointer to our cached resource.

    CSSFontFace* m_face; // Our owning font face.

    HashMap<unsigned, SimpleFontData*> m_fontDataTable; // The hash key is composed of size synthetic styles.

#if ENABLE(SVG_FONTS)

    SVGFontFaceElement* m_svgFontFaceElement;

    RefPtr<SVGFontElement> m_externalSVGFontElement;

#endif

};

}

#endif