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diff --git a/Source/WebCore/rendering/style/StyleCachedImageSet.h b/Source/WebCore/rendering/style/StyleCachedImageSet.h
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-/*
- * Copyright (C) 2012 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#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;
-
-// This class keeps one cached image and has access to a set of alternatives.
-
-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;
-
- // FIXME: This is used by StyleImage for equality comparison, but this implementation
- // only looks at the image from the set that we have loaded. I'm not sure if that is
- // meaningful enough or not.
- 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 LayoutSize 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 IntSize&, float) override;
- virtual void addClient(RenderElement*) override;
- virtual void removeClient(RenderElement*) override;
- virtual PassRefPtr<Image> image(RenderElement*, const IntSize&) 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; // Not retained; it owns us.
-};
-
-} // namespace WebCore
-
-#endif // ENABLE(CSS_IMAGE_SET)
-
-#endif // StyleCachedImageSet_h