/*

 * 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 CSSFontSelector_h

#define CSSFontSelector_h

#include "FontSelector.h"

#include "StringHash.h"

#include <wtf/HashMap.h>

#include <wtf/RefPtr.h>

namespace WebCore {

class AtomicString;

class CSSFontFace;

class CSSFontFaceRule;

class CSSSegmentedFontFace;

class Document;

class DocLoader;

class FontDescription;

class String;

class CSSFontSelector : public FontSelector {

public:

    static PassRefPtr<CSSFontSelector> create(Document* document)

    {

        return adoptRef(new CSSFontSelector(document));

    }

    virtual ~CSSFontSelector();

    virtual FontData* getFontData(const FontDescription& fontDescription, const AtomicString& familyName);

    void clearDocument() { m_document = 0; }

    void addFontFaceRule(const CSSFontFaceRule*);

    void fontLoaded();

    virtual void fontCacheInvalidated();

    bool isEmpty() const;

    DocLoader* docLoader() const;

private:

    CSSFontSelector(Document*);

    Document* m_document;

    HashMap<String, Vector<RefPtr<CSSFontFace> >*, CaseFoldingHash> m_fontFaces;

    HashMap<String, Vector<RefPtr<CSSFontFace> >*, CaseFoldingHash> m_locallyInstalledFontFaces;

    HashMap<String, HashMap<unsigned, RefPtr<CSSSegmentedFontFace> >*, CaseFoldingHash> m_fonts;

};

} // namespace WebCore

#endif // CSSFontSelector_h