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26 #ifndef CSSImageSetValue_h
27 #define CSSImageSetValue_h
29 #if ENABLE(CSS_IMAGE_SET)
31 #include "CSSValueList.h"
35 class CachedResourceLoader;
37 class StyleCachedImageSet;
40 class CSSImageSetValue : public CSSValueList {
43 static PassRefPtr<CSSImageSetValue> create()
45 return adoptRef(new CSSImageSetValue());
49 StyleCachedImageSet* cachedImageSet(CachedResourceLoader*);
51 // Returns a StyleCachedImageSet if the best fit image has been cached already, otherwise a StylePendingImage.
52 StyleImage* cachedOrPendingImageSet(Document*);
54 String customCssText() const;
56 bool isPending() const { return !m_accessedBestFitImage; }
58 struct ImageWithScale {
63 bool hasFailedOrCanceledSubresources() const;
65 PassRefPtr<CSSImageSetValue> cloneForCSSOM() const;
68 ImageWithScale bestImageForScaleFactor();
72 CSSImageSetValue(const CSSImageSetValue& cloneFrom);
75 static inline bool compareByScaleFactor(ImageWithScale first, ImageWithScale second) { return first.scaleFactor < second.scaleFactor; }
77 RefPtr<StyleImage> m_imageSet;
78 bool m_accessedBestFitImage;
80 // This represents the scale factor that we used to find the best fit image. It does not necessarily
81 // correspond to the scale factor of the best fit image.
84 Vector<ImageWithScale> m_imagesInSet;
87 } // namespace WebCore
89 #endif // ENABLE(CSS_IMAGE_SET)
91 #endif // CSSImageSetValue_h