text: /*
   * (C) 1999-2003 Lars Knoll (knoll@kde.org)
   * Copyright (C) 2004, 2005, 2006, 2008, 2012 Apple Inc. All rights reserved.
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Library General Public
   * License as published by the Free Software Foundation; either
   * version 2 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Library General Public License for more details.
   *
   * You should have received a copy of the GNU Library General Public License
   * along with this library; see the file COPYING.LIB.  If not, write to
   * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   * Boston, MA 02110-1301, USA.
   */
  
  #ifndef CSSImageValue_h
  #define CSSImageValue_h
  
  #include "CSSValue.h"
  #include <wtf/RefPtr.h>
  
  namespace WebCore {
  
  class CachedResourceLoader;
  class Element;
  class StyleCachedImage;
  class StyleImage;
  class RenderObject;
  struct ResourceLoaderOptions;
  
  class CSSImageValue : public CSSValue {
  public:
      static PassRefPtr<CSSImageValue> create(const String& url) { return adoptRef(new CSSImageValue(url)); }
      static PassRefPtr<CSSImageValue> create(const String& url, StyleImage* image) { return adoptRef(new CSSImageValue(url, image)); }
      ~CSSImageValue();
  
      StyleCachedImage* cachedImage(CachedResourceLoader*, const ResourceLoaderOptions&);
      StyleCachedImage* cachedImage(CachedResourceLoader*);
      // Returns a StyleCachedImage if the image is cached already, otherwise a StylePendingImage.
      StyleImage* cachedOrPendingImage();
  
      const String& url() { return m_url; }
  
      String customCssText() const;
  
      PassRefPtr<CSSValue> cloneForCSSOM() const;
  
      bool hasFailedOrCanceledSubresources() const;
  
      bool equals(const CSSImageValue&) const;
  
      bool knownToBeOpaque(const RenderObject*) const;
  
      void setInitiator(const AtomicString& name) { m_initiatorName = name; }
  
  private:
      explicit CSSImageValue(const String& url);
      CSSImageValue(const String& url, StyleImage*);
      void detachPendingImage();
  
      String m_url;
      RefPtr<StyleImage> m_image;
      bool m_accessedImage;
      AtomicString m_initiatorName;
  };
  
  } // namespace WebCore
  
  #endif // CSSImageValue_h
  