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      1 /*
      2  * Copyright (C) 2000 Lars Knoll (knoll (at) kde.org)
      3  *           (C) 2000 Antti Koivisto (koivisto (at) kde.org)
      4  *           (C) 2000 Dirk Mueller (mueller (at) 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 StyleFetchedImage_h
     25 #define StyleFetchedImage_h
     26 
     27 #include "core/fetch/ImageResourceClient.h"
     28 #include "core/fetch/ResourcePtr.h"
     29 #include "core/rendering/style/StyleImage.h"
     30 
     31 namespace WebCore {
     32 
     33 class ImageResource;
     34 
     35 class StyleFetchedImage FINAL : public StyleImage, private ImageResourceClient {
     36     WTF_MAKE_FAST_ALLOCATED;
     37 public:
     38     static PassRefPtr<StyleFetchedImage> create(ImageResource* image) { return adoptRef(new StyleFetchedImage(image)); }
     39     virtual ~StyleFetchedImage();
     40 
     41     virtual WrappedImagePtr data() const OVERRIDE { return m_image.get(); }
     42 
     43     virtual PassRefPtrWillBeRawPtr<CSSValue> cssValue() const OVERRIDE;
     44 
     45     virtual bool canRender(const RenderObject&, float multiplier) const OVERRIDE;
     46     virtual bool isLoaded() const OVERRIDE;
     47     virtual bool errorOccurred() const OVERRIDE;
     48     virtual LayoutSize imageSize(const RenderObject*, float multiplier) const OVERRIDE;
     49     virtual bool imageHasRelativeWidth() const OVERRIDE;
     50     virtual bool imageHasRelativeHeight() const OVERRIDE;
     51     virtual void computeIntrinsicDimensions(const RenderObject*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) OVERRIDE;
     52     virtual bool usesImageContainerSize() const OVERRIDE;
     53     virtual void setContainerSizeForRenderer(const RenderObject*, const IntSize&, float) OVERRIDE;
     54     virtual void addClient(RenderObject*) OVERRIDE;
     55     virtual void removeClient(RenderObject*) OVERRIDE;
     56     virtual PassRefPtr<Image> image(RenderObject*, const IntSize&) const OVERRIDE;
     57     virtual bool knownToBeOpaque(const RenderObject*) const OVERRIDE;
     58     virtual ImageResource* cachedImage() const OVERRIDE { return m_image.get(); }
     59 
     60 private:
     61     explicit StyleFetchedImage(ImageResource*);
     62 
     63     ResourcePtr<ImageResource> m_image;
     64 };
     65 
     66 DEFINE_STYLE_IMAGE_TYPE_CASTS(StyleFetchedImage, isImageResource());
     67 
     68 }
     69 #endif
     70