/*

 * 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 CachedFont_h

#define CachedFont_h

#include "CachedResource.h"

#include "FontRenderingMode.h"

#include <wtf/Vector.h>

#if ENABLE(SVG_FONTS)

#include "SVGElement.h"

#include "SVGDocument.h"

#endif

namespace WebCore {

class DocLoader;

class Cache;

class FontPlatformData;

class SVGFontElement;

struct FontCustomPlatformData;

class CachedFont : public CachedResource {

public:

    CachedFont(const String& url);

    virtual ~CachedFont();

    virtual void load(DocLoader* docLoader);

    virtual void didAddClient(CachedResourceClient*);

    virtual void data(PassRefPtr<SharedBuffer> data, bool allDataReceived);

    virtual void error();

    virtual void allClientsRemoved();

    void checkNotify();

    void beginLoadIfNeeded(DocLoader* dl);

    bool ensureCustomFontData();

    FontPlatformData platformDataFromCustomData(float size, bool bold, bool italic, FontRenderingMode = NormalRenderingMode);

#if ENABLE(SVG_FONTS)

    bool isSVGFont() const { return m_isSVGFont; }

    void setSVGFont(bool isSVG) { m_isSVGFont = isSVG; }

    bool ensureSVGFontData();

    SVGFontElement* getSVGFontById(const String&) const;

#endif

private:

    FontCustomPlatformData* m_fontData;

    bool m_loadInitiated;

#if ENABLE(SVG_FONTS)

    bool m_isSVGFont;

    RefPtr<SVGDocument> m_externalSVGDocument;

#endif

    friend class Cache;

};

}

#endif