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