/*
 * Copyright (C) 2007, 2008, 2011 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 CSSFontFaceSource_h
#define CSSFontFaceSource_h

#include "CachedFont.h"
#include "CachedResourceHandle.h"
#include <wtf/OwnPtr.h>
#include <wtf/WeakPtr.h>
#include <wtf/text/AtomicString.h>

namespace WebCore {

class CSSFontFace;
class CSSFontSelector;
class Font;
struct FontCustomPlatformData;
class FontDescription;
class SimpleFontData;
class SVGFontFaceElement;
class SharedBuffer;

class CSSFontFaceSource : public CachedFontClient {
public:

    //                      => Success
    //                    //
    // Pending => Loading
    //                    \\.
    //                      => Failure
    enum Status {
        Pending,
        Loading,
        Success,
        Failure
    };

    CSSFontFaceSource(CSSFontFace* owner, const String& familyNameOrURI, CachedFont* = 0, SVGFontFaceElement* = 0);
    virtual ~CSSFontFaceSource();

    Status status() const { return m_status; }

    const AtomicString& familyNameOrURI() const { return m_familyNameOrURI; }

    void load(CSSFontSelector*);
    RefPtr<SimpleFontData> font(const FontDescription&, bool syntheticBold, bool syntheticItalic);

#if ENABLE(SVG_FONTS)
    bool isSVGFontFaceSource() const;
#endif

private:
    virtual void fontLoaded(CachedFont*) OVERRIDE;

	void setStatus(Status);

	AtomicString m_familyNameOrURI; // URI for remote, built-in font name for local.
	CachedResourceHandle<CachedFont> m_font; // For remote fonts, a pointer to our cached resource.
    CSSFontFace* m_face; // Our owning font face.

#if ENABLE(SVG_OTF_CONVERTER)
    RefPtr<SharedBuffer> m_generatedOTFBuffer;
#endif

#if ENABLE(SVG_FONTS) || ENABLE(SVG_OTF_CONVERTER)
    WeakPtr<SVGFontFaceElement> m_svgFontFaceElement;
    OwnPtr<FontCustomPlatformData> m_inDocumentCustomPlatformData;
#endif

    Status m_status;
#if ENABLE(SVG_FONTS)
    bool m_hasSVGFontFaceElement;
#endif
};

}

#endif
