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/*
* Copyright (C) 2000 Lars Knoll (knoll@kde.org)
* (C) 2000 Antti Koivisto (koivisto@kde.org)
* (C) 2000 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "core/style/StyleFetchedImage.h"
#include "core/css/CSSImageValue.h"
#include "core/layout/LayoutObject.h"
#include "core/loader/resource/ImageResourceContent.h"
#include "core/svg/graphics/SVGImage.h"
#include "core/svg/graphics/SVGImageForContainer.h"
namespace blink {
StyleFetchedImage::StyleFetchedImage(ImageResourceContent* image,
const Document& document,
const KURL& url)
: m_image(image), m_document(&document), m_url(url) {
m_isImageResource = true;
m_image->addObserver(this);
// ResourceFetcher is not determined from StyleFetchedImage and it is
// impossible to send a request for refetching.
m_image->setNotRefetchableDataFromDiskCache();
}
StyleFetchedImage::~StyleFetchedImage() {}
void StyleFetchedImage::dispose() {
m_image->removeObserver(this);
m_image = nullptr;
}
WrappedImagePtr StyleFetchedImage::data() const {
return m_image.get();
}
ImageResourceContent* StyleFetchedImage::cachedImage() const {
return m_image.get();
}
CSSValue* StyleFetchedImage::cssValue() const {
return CSSImageValue::create(m_url, const_cast<StyleFetchedImage*>(this));
}
CSSValue* StyleFetchedImage::computedCSSValue() const {
return cssValue();
}
bool StyleFetchedImage::canRender() const {
return !m_image->errorOccurred() && !m_image->getImage()->isNull();
}
bool StyleFetchedImage::isLoaded() const {
return m_image->isLoaded();
}
bool StyleFetchedImage::errorOccurred() const {
return m_image->errorOccurred();
}
LayoutSize StyleFetchedImage::imageSize(
const LayoutObject&,
float multiplier,
const LayoutSize& defaultObjectSize) const {
if (m_image->getImage() && m_image->getImage()->isSVGImage())
return imageSizeForSVGImage(toSVGImage(m_image->getImage()), multiplier,
defaultObjectSize);
// Image orientation should only be respected for content images,
// not decorative images such as StyleImage (backgrounds,
// border-image, etc.)
//
// https://drafts.csswg.org/css-images-3/#the-image-orientation
return m_image->imageSize(DoNotRespectImageOrientation, multiplier);
}
bool StyleFetchedImage::imageHasRelativeSize() const {
return m_image->imageHasRelativeSize();
}
bool StyleFetchedImage::usesImageContainerSize() const {
return m_image->usesImageContainerSize();
}
void StyleFetchedImage::addClient(LayoutObject* layoutObject) {
m_image->addObserver(layoutObject);
}
void StyleFetchedImage::removeClient(LayoutObject* layoutObject) {
m_image->removeObserver(layoutObject);
}
void StyleFetchedImage::imageNotifyFinished(ImageResourceContent*) {
if (m_document && m_image && m_image->getImage() &&
m_image->getImage()->isSVGImage())
toSVGImage(m_image->getImage())->updateUseCounters(*m_document);
// Oilpan: do not prolong the Document's lifetime.
m_document.clear();
}
PassRefPtr<Image> StyleFetchedImage::image(const LayoutObject&,
const IntSize& containerSize,
float zoom) const {
if (!m_image->getImage()->isSVGImage())
return m_image->getImage();
return SVGImageForContainer::create(toSVGImage(m_image->getImage()),
containerSize, zoom, m_url);
}
bool StyleFetchedImage::knownToBeOpaque(
const LayoutObject& layoutObject) const {
TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "PaintImage",
"data",
InspectorPaintImageEvent::data(&layoutObject, *m_image.get()));
return m_image->getImage()->currentFrameKnownToBeOpaque(
Image::PreCacheMetadata);
}
DEFINE_TRACE(StyleFetchedImage) {
visitor->trace(m_image);
visitor->trace(m_document);
StyleImage::trace(visitor);
}
} // namespace blink
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