Source/core/css/FontFace.h

/*
 * Copyright (C) 2013 Google 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 are
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 * notice, this list of conditions and the following disclaimer.
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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 * this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#ifndef FontFace_h
#define FontFace_h

#include "CSSPropertyNames.h"
#include "core/css/CSSValue.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefCounted.h"
#include "wtf/text/WTFString.h"

namespace WebCore {

class CSSFontFace;
class CSSValueList;
class Dictionary;
class Document;
class ExceptionState;
class StylePropertySet;
class StyleRuleFontFace;

class FontFace : public RefCounted<FontFace> {
public:
    enum LoadStatus { Unloaded, Loading, Loaded, Error };

    static PassRefPtr<FontFace> create(const String& family, const String& source, const Dictionary&, ExceptionState&);
    static PassRefPtr<FontFace> create(const StyleRuleFontFace*);

    ~FontFace();

    String family() const { return m_family; }
    String style() const;
    String weight() const;
    String stretch() const;
    String unicodeRange() const;
    String variant() const;
    String featureSettings() const;

    // FIXME: Changing these attributes should affect font matching.
    void setFamily(const String& s, ExceptionState&) { m_family = s; }
    void setStyle(const String&, ExceptionState&);
    void setWeight(const String&, ExceptionState&);
    void setStretch(const String&, ExceptionState&);
    void setUnicodeRange(const String&, ExceptionState&);
    void setVariant(const String&, ExceptionState&);
    void setFeatureSettings(const String&, ExceptionState&);

    String status() const;

    LoadStatus loadStatus() const { return m_status; }
    void setLoadStatus(LoadStatus status) { m_status = status; }
    unsigned traitsMask() const;
    PassRefPtr<CSSFontFace> createCSSFontFace(Document*);

private:
    FontFace(PassRefPtr<CSSValue> source);

    void setPropertyFromString(const String&, CSSPropertyID, ExceptionState&);
    bool setPropertyFromStyle(const StylePropertySet*, CSSPropertyID);
    bool setPropertyValue(PassRefPtr<CSSValue>, CSSPropertyID);
    bool setFamilyValue(CSSValueList*);

    String m_family;
    RefPtr<CSSValue> m_src;
    RefPtr<CSSValue> m_style;
    RefPtr<CSSValue> m_weight;
    RefPtr<CSSValue> m_stretch;
    RefPtr<CSSValue> m_unicodeRange;
    RefPtr<CSSValue> m_variant;
    RefPtr<CSSValue> m_featureSettings;
    LoadStatus m_status;
};

typedef Vector<RefPtr<FontFace> > FontFaceArray;

} // namespace WebCore

#endif // FontFace_h