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/*
* Copyright (C) 2003-2021 Apple Inc. All rights reserved.
* Copyright (C) 2020 Noam Rosenthal (noam@webkit.org)
*
* 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 "config.h"
#include "StyleMultiImage.h"
#include "CSSCanvasValue.h"
#include "CSSCrossfadeValue.h"
#include "CSSFilterImageValue.h"
#include "CSSGradientValue.h"
#include "CSSImageSetValue.h"
#include "CSSImageValue.h"
#include "CSSNamedImageValue.h"
#include "CSSPaintImageValue.h"
#include "CSSVariableData.h"
#include "CachedImage.h"
#include "CachedResourceLoader.h"
#include "RenderElement.h"
#include "RenderView.h"
#include "StyleCachedImage.h"
#include "StyleCanvasImage.h"
#include "StyleCrossfadeImage.h"
#include "StyleFilterImage.h"
#include "StyleGradientImage.h"
#include "StyleNamedImage.h"
#include "StylePaintImage.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
WTF_MAKE_TZONE_ALLOCATED_IMPL(StyleMultiImage);
StyleMultiImage::StyleMultiImage(Type type)
: StyleImage { type }
{
}
StyleMultiImage::~StyleMultiImage() = default;
bool StyleMultiImage::equals(const StyleMultiImage& other) const
{
return (!m_isPending && !other.m_isPending && m_selectedImage.get() == other.m_selectedImage.get());
}
void StyleMultiImage::load(CachedResourceLoader& loader, const ResourceLoaderOptions& options)
{
ASSERT(m_isPending);
ASSERT(loader.document());
m_isPending = false;
auto bestFitImage = selectBestFitImage(*loader.document());
ASSERT(is<StyleCachedImage>(bestFitImage.image) || is<StyleGeneratedImage>(bestFitImage.image));
if (is<StyleGeneratedImage>(bestFitImage.image)) {
m_selectedImage = bestFitImage.image;
m_selectedImage->load(loader, options);
return;
}
if (RefPtr styleCachedImage = dynamicDowncast<StyleCachedImage>(bestFitImage.image)) {
if (styleCachedImage->imageScaleFactor() == bestFitImage.scaleFactor)
m_selectedImage = WTFMove(styleCachedImage);
else
m_selectedImage = StyleCachedImage::copyOverridingScaleFactor(*styleCachedImage, bestFitImage.scaleFactor);
if (m_selectedImage->isPending())
m_selectedImage->load(loader, options);
return;
}
}
CachedImage* StyleMultiImage::cachedImage() const
{
if (!m_selectedImage)
return nullptr;
return m_selectedImage->cachedImage();
}
WrappedImagePtr StyleMultiImage::data() const
{
if (!m_selectedImage)
return nullptr;
return m_selectedImage->data();
}
bool StyleMultiImage::canRender(const RenderElement* renderer, float multiplier) const
{
return m_selectedImage && m_selectedImage->canRender(renderer, multiplier);
}
bool StyleMultiImage::isPending() const
{
return m_isPending;
}
bool StyleMultiImage::isLoaded(const RenderElement* renderer) const
{
return m_selectedImage && m_selectedImage->isLoaded(renderer);
}
bool StyleMultiImage::errorOccurred() const
{
return m_selectedImage && m_selectedImage->errorOccurred();
}
FloatSize StyleMultiImage::imageSize(const RenderElement* renderer, float multiplier) const
{
if (!m_selectedImage)
return { };
return m_selectedImage->imageSize(renderer, multiplier);
}
bool StyleMultiImage::imageHasRelativeWidth() const
{
return m_selectedImage && m_selectedImage->imageHasRelativeWidth();
}
bool StyleMultiImage::imageHasRelativeHeight() const
{
return m_selectedImage && m_selectedImage->imageHasRelativeHeight();
}
void StyleMultiImage::computeIntrinsicDimensions(const RenderElement* element, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio)
{
if (!m_selectedImage)
return;
m_selectedImage->computeIntrinsicDimensions(element, intrinsicWidth, intrinsicHeight, intrinsicRatio);
}
bool StyleMultiImage::usesImageContainerSize() const
{
return m_selectedImage && m_selectedImage->usesImageContainerSize();
}
void StyleMultiImage::setContainerContextForRenderer(const RenderElement& renderer, const FloatSize& containerSize, float containerZoom)
{
if (!m_selectedImage)
return;
m_selectedImage->setContainerContextForRenderer(renderer, containerSize, containerZoom);
}
void StyleMultiImage::addClient(RenderElement& renderer)
{
if (!m_selectedImage)
return;
m_selectedImage->addClient(renderer);
}
void StyleMultiImage::removeClient(RenderElement& renderer)
{
if (!m_selectedImage)
return;
m_selectedImage->removeClient(renderer);
}
bool StyleMultiImage::hasClient(RenderElement& renderer) const
{
if (!m_selectedImage)
return false;
return m_selectedImage->hasClient(renderer);
}
RefPtr<Image> StyleMultiImage::image(const RenderElement* renderer, const FloatSize& size, bool isForFirstLine) const
{
if (!m_selectedImage)
return nullptr;
return m_selectedImage->image(renderer, size, isForFirstLine);
}
float StyleMultiImage::imageScaleFactor() const
{
if (!m_selectedImage)
return 1;
return m_selectedImage->imageScaleFactor();
}
bool StyleMultiImage::knownToBeOpaque(const RenderElement& renderer) const
{
return m_selectedImage && m_selectedImage->knownToBeOpaque(renderer);
}
} // namespace WebCore
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