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295f920116
I wrote a script to do this which is attached to the bug. TBR=abarth@chromium.org BUG=435361 Review URL: https://codereview.chromium.org/736373003
93 lines
4.3 KiB
C++
93 lines
4.3 KiB
C++
/*
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* Copyright (C) 2012 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SKY_ENGINE_CORE_RENDERING_STYLE_STYLEFETCHEDIMAGESET_H_
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#define SKY_ENGINE_CORE_RENDERING_STYLE_STYLEFETCHEDIMAGESET_H_
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#include "sky/engine/core/fetch/ImageResourceClient.h"
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#include "sky/engine/core/fetch/ResourcePtr.h"
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#include "sky/engine/core/rendering/style/StyleImage.h"
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#include "sky/engine/platform/geometry/LayoutSize.h"
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namespace blink {
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class ImageResource;
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class CSSImageSetValue;
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// This class keeps one cached image and has access to a set of alternatives.
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class StyleFetchedImageSet final : public StyleImage, private ImageResourceClient {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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static PassRefPtr<StyleFetchedImageSet> create(ImageResource* image, float imageScaleFactor, CSSImageSetValue* value)
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{
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return adoptRef(new StyleFetchedImageSet(image, imageScaleFactor, value));
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}
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virtual ~StyleFetchedImageSet();
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virtual PassRefPtr<CSSValue> cssValue() const override;
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// FIXME: This is used by StyleImage for equals comparison, but this implementation
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// only looks at the image from the set that we have loaded. I'm not sure if that is
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// meaningful enough or not.
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virtual WrappedImagePtr data() const override { return m_bestFitImage.get(); }
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void clearImageSetValue() { m_imageSetValue = 0; }
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virtual bool canRender(const RenderObject&) const override;
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virtual bool isLoaded() const override;
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virtual bool errorOccurred() const override;
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virtual LayoutSize imageSize(const RenderObject*) const override;
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virtual bool imageHasRelativeWidth() const override;
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virtual bool imageHasRelativeHeight() const override;
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virtual void computeIntrinsicDimensions(const RenderObject*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) override;
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virtual bool usesImageContainerSize() const override;
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virtual void setContainerSizeForRenderer(const RenderObject*, const IntSize&) override;
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virtual void addClient(RenderObject*) override;
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virtual void removeClient(RenderObject*) override;
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virtual PassRefPtr<Image> image(RenderObject*, const IntSize&) const override;
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virtual float imageScaleFactor() const override { return m_imageScaleFactor; }
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virtual bool knownToBeOpaque(const RenderObject*) const override;
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virtual ImageResource* cachedImage() const override { return m_bestFitImage.get(); }
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private:
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StyleFetchedImageSet(ImageResource*, float imageScaleFactor, CSSImageSetValue*);
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ResourcePtr<ImageResource> m_bestFitImage;
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float m_imageScaleFactor;
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// FIXME: oilpan: Change to RawPtr when moving this class onto oilpan heap.
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// Also add "if !ENABLE(OILPAN)" around clearImageSetValue above as well as around its
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// caller since it should not be needed once both of the objects are on the heap and
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// oilpan is enabled.
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CSSImageSetValue* m_imageSetValue; // Not retained; it owns us.
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};
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DEFINE_STYLE_IMAGE_TYPE_CASTS(StyleFetchedImageSet, isImageResourceSet());
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} // namespace blink
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#endif // SKY_ENGINE_CORE_RENDERING_STYLE_STYLEFETCHEDIMAGESET_H_
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