text: /*
   * 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 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 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 CSSFontFaceSrcValue_h
  #define CSSFontFaceSrcValue_h
  
  #include "CSSValue.h"
  #include "CachedResourceHandle.h"
  #include <wtf/PassRefPtr.h>
  #include <wtf/text/WTFString.h>
  
  namespace WebCore {
  
  class CachedFont;
  class Document;
  class SVGFontFaceElement;
  
  class CSSFontFaceSrcValue : public CSSValue {
  public:
      static Ref<CSSFontFaceSrcValue> create(const String& resource)
      {
          return adoptRef(*new CSSFontFaceSrcValue(resource, false));
      }
      static Ref<CSSFontFaceSrcValue> createLocal(const String& resource)
      {
          return adoptRef(*new CSSFontFaceSrcValue(resource, true));
      }
  
      const String& resource() const { return m_resource; }
      const String& format() const { return m_format; }
      bool isLocal() const { return m_isLocal; }
  
      void setFormat(const String& format) { m_format = format; }
  
      bool isSupportedFormat() const;
  
  #if ENABLE(SVG_FONTS)
      bool isSVGFontFaceSrc() const;
      bool isSVGFontTarget() const;
  
      SVGFontFaceElement* svgFontFaceElement() const { return m_svgFontFaceElement; }
      void setSVGFontFaceElement(SVGFontFaceElement* element) { m_svgFontFaceElement = element; }
  #endif
  
      String customCSSText() const;
  
      void addSubresourceStyleURLs(ListHashSet<URL>&, const StyleSheetContents*) const;
  
      bool traverseSubresources(const std::function<bool (const CachedResource&)>& handler) const;
  
      CachedFont* cachedFont(Document*, bool isSVG, bool isInitiatingElementInUserAgentShadowTree);
  
      bool equals(const CSSFontFaceSrcValue&) const;
  
  private:
      CSSFontFaceSrcValue(const String& resource, bool local)
          : CSSValue(FontFaceSrcClass)
          , m_resource(resource)
          , m_isLocal(local)
  #if ENABLE(SVG_FONTS)
          , m_svgFontFaceElement(0)
  #endif
      {
      }
  
      String m_resource;
      String m_format;
      bool m_isLocal;
  
      CachedResourceHandle<CachedFont> m_cachedFont;
  
  #if ENABLE(SVG_FONTS)
      SVGFontFaceElement* m_svgFontFaceElement;
  #endif
  };
  
  } // namespace WebCore
  
  SPECIALIZE_TYPE_TRAITS_CSS_VALUE(CSSFontFaceSrcValue, isFontFaceSrcValue())
  
  #endif
  