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 final : 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 CachedImage* cachedImage() const override { return m_bestFitImage.get(); }
void clearImageSetValue() { m_imageSetValue = nullptr; }
private:
virtual PassRefPtr<CSSValue> cssValue() const override;
virtual WrappedImagePtr data() const override { return m_bestFitImage.get(); }
virtual bool canRender(const RenderObject*, float multiplier) const override;
virtual bool isLoaded() const override;
virtual bool errorOccurred() const override;
virtual FloatSize imageSize(const RenderElement*, float multiplier) const override;
virtual bool imageHasRelativeWidth() const override;
virtual bool imageHasRelativeHeight() const override;
virtual void computeIntrinsicDimensions(const RenderElement*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) override;
virtual bool usesImageContainerSize() const override;
virtual void setContainerSizeForRenderer(const RenderElement*, const FloatSize&, float) override;
virtual void addClient(RenderElement*) override;
virtual void removeClient(RenderElement*) override;
virtual PassRefPtr<Image> image(RenderElement*, const FloatSize&) const override;
virtual float imageScaleFactor() const override { return m_imageScaleFactor; }
virtual bool knownToBeOpaque(const RenderElement*) const override;
StyleCachedImageSet(CachedImage*, float imageScaleFactor, CSSImageSetValue*);
CachedResourceHandle<CachedImage> m_bestFitImage;
float m_imageScaleFactor;
CSSImageSetValue* m_imageSetValue; };
STYLE_IMAGE_TYPE_CASTS(StyleCachedImageSet, StyleImage, isCachedImageSet)
}
#endif // ENABLE(CSS_IMAGE_SET)
#endif // StyleCachedImageSet_h