StyleCachedImageSet.h [plain text]
#ifndef StyleCachedImageSet_h
#define StyleCachedImageSet_h
#if ENABLE(CSS_IMAGE_SET)
#include "CachedImageClient.h"
#include "CachedResourceHandle.h"
#include "LayoutSize.h"
#include "StyleImage.h"
namespace WebCore {
class CachedImage;
class CSSImageSetValue;
class StyleCachedImageSet : public StyleImage, private CachedImageClient {
WTF_MAKE_FAST_ALLOCATED;
public:
static PassRefPtr<StyleCachedImageSet> create(CachedImage* image, float imageScaleFactor, CSSImageSetValue* value)
{
return adoptRef(new StyleCachedImageSet(image, imageScaleFactor, value));
}
virtual ~StyleCachedImageSet();
virtual PassRefPtr<CSSValue> cssValue() const;
virtual WrappedImagePtr data() const { return m_bestFitImage.get(); }
void clearImageSetValue() { m_imageSetValue = 0; }
virtual bool canRender(const RenderObject*, float multiplier) const;
virtual bool isLoaded() const;
virtual bool errorOccurred() const;
virtual LayoutSize imageSize(const RenderObject*, float multiplier) const;
virtual bool imageHasRelativeWidth() const;
virtual bool imageHasRelativeHeight() const;
virtual void computeIntrinsicDimensions(const RenderObject*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio);
virtual bool usesImageContainerSize() const;
virtual void setContainerSizeForRenderer(const RenderObject*, const IntSize&, float);
virtual void addClient(RenderObject*);
virtual void removeClient(RenderObject*);
virtual PassRefPtr<Image> image(RenderObject*, const IntSize&) const;
virtual float imageScaleFactor() const { return m_imageScaleFactor; }
virtual bool knownToBeOpaque(const RenderObject*) const OVERRIDE;
virtual CachedImage* cachedImage() const OVERRIDE { return m_bestFitImage.get(); }
private:
StyleCachedImageSet(CachedImage*, float imageScaleFactor, CSSImageSetValue*);
CachedResourceHandle<CachedImage> m_bestFitImage;
float m_imageScaleFactor;
CSSImageSetValue* m_imageSetValue; };
}
#endif // ENABLE(CSS_IMAGE_SET)
#endif // StyleCachedImageSet_h