Add support for new WinterBoard Settings features.

[iphone-api.git] / WebCore / CSSFontFace.h

/*
 * 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,
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 */

#ifndef CSSFontFace_h
#define CSSFontFace_h

#include "FontTraitsMask.h"
#include <wtf/HashSet.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
#include <wtf/unicode/Unicode.h>

namespace WebCore {

class CSSFontFaceSource;
class CSSSegmentedFontFace;
class FontDescription;
class SimpleFontData;

class CSSFontFace : public RefCounted<CSSFontFace> {
public:
    static PassRefPtr<CSSFontFace> create(FontTraitsMask traitsMask) { return adoptRef(new CSSFontFace(traitsMask)); }
    ~CSSFontFace();

    FontTraitsMask traitsMask() const { return m_traitsMask; }

    struct UnicodeRange;

    void addRange(UChar32 from, UChar32 to) { m_ranges.append(UnicodeRange(from, to)); }
    const Vector<UnicodeRange>& ranges() const { return m_ranges; }

    void addedToSegmentedFontFace(CSSSegmentedFontFace*);
    void removedFromSegmentedFontFace(CSSSegmentedFontFace*);

    bool isLoaded() const;
    bool isValid() const;

    void addSource(CSSFontFaceSource*);

    void fontLoaded(CSSFontFaceSource*);

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

    struct UnicodeRange {
        UnicodeRange(UChar32 from, UChar32 to)
            : m_from(from)
            , m_to(to)
        {
        }

        UChar32 from() const { return m_from; }
        UChar32 to() const { return m_to; }

    private:
        UChar32 m_from;
        UChar32 m_to;
    };

private:
    CSSFontFace(FontTraitsMask traitsMask)
        : m_traitsMask(traitsMask)
    {
    }

    FontTraitsMask m_traitsMask;
    Vector<UnicodeRange> m_ranges;
    HashSet<CSSSegmentedFontFace*> m_segmentedFontFaces;
    Vector<CSSFontFaceSource*> m_sources;
};

}

#endif