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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.
*/
#include "core/style/StyleFetchedImageSet.h"
#include "core/css/CSSImageSetValue.h"
#include "core/fetch/ImageResource.h"
#include "core/layout/LayoutObject.h"
#include "core/svg/graphics/SVGImageForContainer.h"
namespace blink {
StyleFetchedImageSet::StyleFetchedImageSet(ImageResource* image, float imageScaleFactor, CSSImageSetValue* value, const KURL& url)
: m_bestFitImage(image)
, m_imageScaleFactor(imageScaleFactor)
, m_imageSetValue(value)
, m_url(url)
{
m_isImageResourceSet = true;
m_bestFitImage->addClient(this);
#if ENABLE(OILPAN)
ThreadState::current()->registerPreFinalizer(this);
#endif
}
StyleFetchedImageSet::~StyleFetchedImageSet()
{
#if !ENABLE(OILPAN)
dispose();
#endif
}
void StyleFetchedImageSet::dispose()
{
m_bestFitImage->removeClient(this);
m_bestFitImage = nullptr;
}
WrappedImagePtr StyleFetchedImageSet::data() const
{
return m_bestFitImage.get();
}
ImageResource* StyleFetchedImageSet::cachedImage() const
{
return m_bestFitImage.get();
}
PassRefPtrWillBeRawPtr<CSSValue> StyleFetchedImageSet::cssValue() const
{
return m_imageSetValue;
}
PassRefPtrWillBeRawPtr<CSSValue> StyleFetchedImageSet::computedCSSValue() const
{
return m_imageSetValue->valueWithURLsMadeAbsolute();
}
bool StyleFetchedImageSet::canRender() const
{
return !m_bestFitImage->errorOccurred() && !m_bestFitImage->getImage()->isNull();
}
bool StyleFetchedImageSet::isLoaded() const
{
return m_bestFitImage->isLoaded();
}
bool StyleFetchedImageSet::errorOccurred() const
{
return m_bestFitImage->errorOccurred();
}
LayoutSize StyleFetchedImageSet::imageSize(const LayoutObject&, float multiplier, const LayoutSize& defaultObjectSize) const
{
if (m_bestFitImage->getImage() && m_bestFitImage->getImage()->isSVGImage())
return imageSizeForSVGImage(toSVGImage(m_bestFitImage->getImage()), multiplier, defaultObjectSize);
// Image orientation should only be respected for content images,
// not decorative ones such as StyleImage (backgrounds,
// border-image, etc.)
//
// https://drafts.csswg.org/css-images-3/#the-image-orientation
LayoutSize scaledImageSize = m_bestFitImage->imageSize(DoNotRespectImageOrientation, multiplier);
scaledImageSize.scale(1 / m_imageScaleFactor);
return scaledImageSize;
}
bool StyleFetchedImageSet::imageHasRelativeSize() const
{
return m_bestFitImage->imageHasRelativeSize();
}
bool StyleFetchedImageSet::usesImageContainerSize() const
{
return m_bestFitImage->usesImageContainerSize();
}
void StyleFetchedImageSet::addClient(LayoutObject* layoutObject)
{
m_bestFitImage->addObserver(layoutObject);
}
void StyleFetchedImageSet::removeClient(LayoutObject* layoutObject)
{
m_bestFitImage->removeObserver(layoutObject);
}
PassRefPtr<Image> StyleFetchedImageSet::image(const LayoutObject&, const IntSize& containerSize, float zoom) const
{
if (!m_bestFitImage->getImage()->isSVGImage())
return m_bestFitImage->getImage();
return SVGImageForContainer::create(toSVGImage(m_bestFitImage->getImage()), containerSize, zoom, m_url);
}
bool StyleFetchedImageSet::knownToBeOpaque(const LayoutObject& layoutObject) const
{
TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "PaintImage", "data", InspectorPaintImageEvent::data(&layoutObject, *m_bestFitImage.get()));
return m_bestFitImage->getImage()->currentFrameKnownToBeOpaque(Image::PreCacheMetadata);
}
DEFINE_TRACE(StyleFetchedImageSet)
{
visitor->trace(m_bestFitImage);
visitor->trace(m_imageSetValue);
StyleImage::trace(visitor);
}
} // namespace blink
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