WebCore/rendering/style/StyleCachedImage.h

   1 /*
   2  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
   3  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
   4  *           (C) 2000 Dirk Mueller (mueller@kde.org)
   5  * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Library General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Library General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Library General Public License
  18  * along with this library; see the file COPYING.LIB.  If not, write to
  19  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20  * Boston, MA 02110-1301, USA.
  21  *
  22  */
  23
  24 #ifndef StyleCachedImage_h
  25 #define StyleCachedImage_h
  26
  27 #include "CachedResourceHandle.h"
  28 #include "StyleImage.h"
  29
  30 namespace WebCore {
  31
  32 class CachedImage;
  33
  34 class StyleCachedImage : public StyleImage {
  35 public:
  36     static PassRefPtr<StyleCachedImage> create(CachedImage* image) { return adoptRef(new StyleCachedImage(image)); }
  37     virtual WrappedImagePtr data() const { return m_image.get(); }
  38
  39     virtual bool isCachedImage() const { return true; }
  40
  41     virtual PassRefPtr<CSSValue> cssValue();
  42
  43     CachedImage* cachedImage() const { return m_image.get(); }
  44
  45     virtual bool canRender(float multiplier) const;
  46     virtual bool isLoaded() const;
  47     virtual bool errorOccurred() const;
  48     virtual IntSize imageSize(const RenderObject*, float multiplier) const;
  49     virtual bool imageHasRelativeWidth() const;
  50     virtual bool imageHasRelativeHeight() const;
  51     virtual bool usesImageContainerSize() const;
  52     virtual void setImageContainerSize(const IntSize&);
  53     virtual void addClient(RenderObject*);
  54     virtual void removeClient(RenderObject*);
  55     virtual Image* image(RenderObject*, const IntSize&) const;
  56
  57 private:
  58     StyleCachedImage(CachedImage* image)
  59         : m_image(image)
  60     {
  61     }
  62
  63     CachedResourceHandle<CachedImage> m_image;
  64 };
  65
  66 }
  67 #endif