// http://picture.responsiveimages.org/#update-source-set
ImageCandidate HTMLImageElement::findBestFitImageFromPictureParent()
{
ASSERT(isMainThread());
Node* parent = parentNode();
if (!parent || !isHTMLPictureElement(*parent))
return ImageCandidate();
for (Node* child = parent->firstChild(); child; child = child->nextSibling()) {
if (child == this)
return ImageCandidate();
if (!isHTMLSourceElement(*child))
continue;
HTMLSourceElement* source = toHTMLSourceElement(child);
if (!source->fastGetAttribute(srcAttr).isNull())
UseCounter::countDeprecation(document(), UseCounter::PictureSourceSrc);
String srcset = source->fastGetAttribute(srcsetAttr);
if (srcset.isEmpty())
continue;
String type = source->fastGetAttribute(typeAttr);
if (!type.isEmpty() && !supportedImageType(type))
continue;
if (!source->mediaQueryMatches())
continue;
ImageCandidate candidate = bestFitSourceForSrcsetAttribute(document().devicePixelRatio(), sourceSize(*source), source->fastGetAttribute(srcsetAttr), &document());
if (candidate.isEmpty())
continue;
return candidate;
}
return ImageCandidate();
}
// http://picture.responsiveimages.org/#update-source-set
ImageCandidate HTMLImageElement::findBestFitImageFromPictureParent()
{
ASSERT(isMainThread());
Node* parent = parentNode();
if (!parent || !isHTMLPictureElement(*parent))
return ImageCandidate();
for (Node* child = parent->firstChild(); child; child = child->nextSibling()) {
if (child == this)
return ImageCandidate();
if (!isHTMLSourceElement(*child))
continue;
HTMLSourceElement* source = toHTMLSourceElement(child);
String srcset = source->fastGetAttribute(srcsetAttr);
if (srcset.isEmpty())
continue;
String type = source->fastGetAttribute(typeAttr);
if (!type.isEmpty() && !supportedImageType(type))
continue;
String media = source->fastGetAttribute(mediaAttr);
if (!media.isEmpty()) {
RefPtrWillBeRawPtr<MediaQuerySet> mediaQueries = MediaQuerySet::create(media);
if (!document().mediaQueryMatcher().evaluate(mediaQueries.get()))
continue;
}
unsigned effectiveSize = SizesAttributeParser::findEffectiveSize(source->fastGetAttribute(sizesAttr), MediaValuesCached::create(document()));
ImageCandidate candidate = bestFitSourceForSrcsetAttribute(document().devicePixelRatio(), effectiveSize, source->fastGetAttribute(srcsetAttr));
if (candidate.isEmpty())
continue;
return candidate;
}
return ImageCandidate();
}