Source/WebCore/loader/cache/CachedSVGFont.h

/*
 * Copyright (C) 2007-2021 Apple Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 */

#pragma once

#include "CachedFont.h"

namespace WebCore {

class FontCreationContext;
class SVGFontFaceElement;
class Settings;

class CachedSVGFont final : public CachedFont {
public:
    CachedSVGFont(CachedResourceRequest&&, PAL::SessionID, const CookieJar*, const Settings&);
    CachedSVGFont(CachedResourceRequest&&, CachedSVGFont&);

    bool ensureCustomFontData(const AtomString& remoteURI) override;

    RefPtr<Font> createFont(const FontDescription&, const AtomString& remoteURI, bool syntheticBold, bool syntheticItalic, const FontCreationContext&) override;

private:
    FontPlatformData platformDataFromCustomData(const FontDescription&, bool bold, bool italic, const FontCreationContext&);

    SVGFontElement* getSVGFontById(const AtomString&) const;

    SVGFontElement* maybeInitializeExternalSVGFontElement(const AtomString& remoteURI);
    SVGFontFaceElement* firstFontFace(const AtomString& remoteURI);

    RefPtr<SharedBuffer> m_convertedFont;
    RefPtr<SVGDocument> m_externalSVGDocument;
    SVGFontElement* m_externalSVGFontElement;
    const Ref<const Settings> m_settings;
};

} // namespace WebCore

SPECIALIZE_TYPE_TRAITS_CACHED_RESOURCE(CachedSVGFont, CachedResource::Type::SVGFontResource)