StyleImage* CSSCursorImageValue::cachedImage(CachedResourceLoader* loader)
{
#if ENABLE(CSS_IMAGE_SET)
if (m_imageValue.get().isImageSetValue())
return toCSSImageSetValue(m_imageValue.get()).cachedImageSet(loader);
#endif
if (!m_accessedImage) {
m_accessedImage = true;
// For SVG images we need to lazily substitute in the correct URL. Rather than attempt
// to change the URL of the CSSImageValue (which would then change behavior like cssText),
// we create an alternate CSSImageValue to use.
if (isSVGCursor() && loader && loader->document()) {
// FIXME: This will fail if the <cursor> element is in a shadow DOM (bug 59827)
if (SVGCursorElement* cursorElement = resourceReferencedByCursorElement(toCSSImageValue(m_imageValue.get()).url(), *loader->document())) {
detachPendingImage();
Ref<CSSImageValue> svgImageValue(CSSImageValue::create(cursorElement->href()));
StyleCachedImage* cachedImage = svgImageValue->cachedImage(loader);
m_image = cachedImage;
return cachedImage;
}
}
if (m_imageValue.get().isImageValue()) {
detachPendingImage();
m_image = toCSSImageValue(m_imageValue.get()).cachedImage(loader);
}
}
if (m_image && m_image->isCachedImage())
return static_cast<StyleCachedImage*>(m_image.get());
return 0;
}
CSSImageSetValue::~CSSImageSetValue()
{
detachPendingImage();
if (is<StyleCachedImage>(m_image.get()))
downcast<StyleCachedImage>(*m_image).detachFromCSSValue();
}
StyleCachedImage* CSSImageSetValue::bestFitImage(CachedResourceLoader& loader, const ResourceLoaderOptions& options)
{
Document* document = loader.document();
if (Page* page = document->page())
m_scaleFactor = page->deviceScaleFactor();
else
m_scaleFactor = 1;
if (!m_imagesInSet.size())
fillImageSet();
if (!m_accessedBestFitImage) {
// FIXME: In the future, we want to take much more than deviceScaleFactor into acount here.
// All forms of scale should be included: Page::pageScaleFactor(), Frame::pageZoomFactor(),
// and any CSS transforms. https://bugs.webkit.org/show_bug.cgi?id=81698
ImageWithScale image = bestImageForScaleFactor();
CachedResourceRequest request(ResourceRequest(document->completeURL(image.imageURL)), options);
request.setInitiator(cachedResourceRequestInitiators().css);
if (options.mode == FetchOptions::Mode::Cors) {
ASSERT(document->securityOrigin());
updateRequestForAccessControl(request.mutableResourceRequest(), *document->securityOrigin(), options.allowCredentials);
}
if (CachedResourceHandle<CachedImage> cachedImage = loader.requestImage(request)) {
detachPendingImage();
m_image = StyleCachedImage::createForImageSet(cachedImage.get(), image.scaleFactor, *this);
m_accessedBestFitImage = true;
}
}
return is<StyleCachedImage>(m_image.get()) ? downcast<StyleCachedImage>(m_image.get()) : nullptr;
}
CSSImageSetValue::~CSSImageSetValue()
{
detachPendingImage();
if (m_imageSet && m_imageSet->isCachedImageSet())
toStyleCachedImageSet(*m_imageSet).clearImageSetValue();
}
StyleCachedImageSet* CSSImageSetValue::cachedImageSet(CachedResourceLoader* loader, const ResourceLoaderOptions& options)
{
ASSERT(loader);
Document* document = loader->document();
if (Page* page = document->page())
m_scaleFactor = page->deviceScaleFactor();
else
m_scaleFactor = 1;
if (!m_imagesInSet.size())
fillImageSet();
if (!m_accessedBestFitImage) {
// FIXME: In the future, we want to take much more than deviceScaleFactor into acount here.
// All forms of scale should be included: Page::pageScaleFactor(), Frame::pageZoomFactor(),
// and any CSS transforms. https://bugs.webkit.org/show_bug.cgi?id=81698
ImageWithScale image = bestImageForScaleFactor();
CachedResourceRequest request(ResourceRequest(document->completeURL(image.imageURL)), options);
request.setInitiator(cachedResourceRequestInitiators().css);
if (options.requestOriginPolicy() == PotentiallyCrossOriginEnabled)
updateRequestForAccessControl(request.mutableResourceRequest(), document->securityOrigin(), options.allowCredentials());
if (CachedResourceHandle<CachedImage> cachedImage = loader->requestImage(request)) {
detachPendingImage();
m_imageSet = StyleCachedImageSet::create(cachedImage.get(), image.scaleFactor, this);
m_accessedBestFitImage = true;
}
}
return (m_imageSet && m_imageSet->isCachedImageSet()) ? toStyleCachedImageSet(m_imageSet.get()) : nullptr;
}
CSSImageSetValue::~CSSImageSetValue()
{
detachPendingImage();
if (m_imageSet && m_imageSet->isCachedImageSet())
static_cast<StyleCachedImageSet*>(m_imageSet.get())->clearImageSetValue();
}
StyleCachedImageSet* CSSImageSetValue::cachedImageSet(CachedResourceLoader* loader)
{
ASSERT(loader);
Document* document = loader->document();
if (Page* page = document->page())
m_scaleFactor = page->deviceScaleFactor();
else
m_scaleFactor = 1;
if (!m_imagesInSet.size())
fillImageSet();
if (!m_accessedBestFitImage) {
// FIXME: In the future, we want to take much more than deviceScaleFactor into acount here.
// All forms of scale should be included: Page::pageScaleFactor(), Frame::pageZoomFactor(),
// and any CSS transforms. https://bugs.webkit.org/show_bug.cgi?id=81698
ImageWithScale image = bestImageForScaleFactor();
CachedResourceRequest request(ResourceRequest(document->completeURL(image.imageURL)));
request.setInitiator(cachedResourceRequestInitiators().css);
if (CachedResourceHandle<CachedImage> cachedImage = loader->requestImage(request)) {
detachPendingImage();
m_imageSet = StyleCachedImageSet::create(cachedImage.get(), image.scaleFactor, this);
m_accessedBestFitImage = true;
}
}
return (m_imageSet && m_imageSet->isCachedImageSet()) ? static_cast<StyleCachedImageSet*>(m_imageSet.get()) : 0;
}
CSSCursorImageValue::~CSSCursorImageValue()
{
detachPendingImage();
if (!isSVGCursor())
return;
HashSet<SVGElement*>::const_iterator it = m_referencedElements.begin();
HashSet<SVGElement*>::const_iterator end = m_referencedElements.end();
for (; it != end; ++it) {
SVGElement* referencedElement = *it;
referencedElement->cursorImageValueRemoved();
if (SVGCursorElement* cursorElement = resourceReferencedByCursorElement(toCSSImageValue(m_imageValue.get()).url(), referencedElement->document()))
cursorElement->removeClient(referencedElement);
}
}
CSSCursorImageValue::~CSSCursorImageValue()
{
detachPendingImage();
#if ENABLE(SVG)
if (!isSVGCursor())
return;
HashSet<SVGElement*>::const_iterator it = m_referencedElements.begin();
HashSet<SVGElement*>::const_iterator end = m_referencedElements.end();
String url = static_cast<CSSImageValue*>(m_imageValue.get())->url();
for (; it != end; ++it) {
SVGElement* referencedElement = *it;
referencedElement->cursorImageValueRemoved();
if (SVGCursorElement* cursorElement = resourceReferencedByCursorElement(url, referencedElement->document()))
cursorElement->removeClient(referencedElement);
}
#endif
}
StyleCachedImage* CSSImageValue::cachedImage(CachedResourceLoader* loader, const ResourceLoaderOptions& options)
{
ASSERT(loader);
if (!m_accessedImage) {
m_accessedImage = true;
CachedResourceRequest request(ResourceRequest(loader->document()->completeURL(m_url)), options);
if (m_initiatorName.isEmpty())
request.setInitiator(cachedResourceRequestInitiators().css);
else
request.setInitiator(m_initiatorName);
if (CachedResourceHandle<CachedImage> cachedImage = loader->requestImage(request)) {
detachPendingImage();
m_image = StyleCachedImage::create(cachedImage.get());
}
}
return (m_image && m_image->isCachedImage()) ? static_cast<StyleCachedImage*>(m_image.get()) : 0;
}
StyleCachedImage* CSSImageValue::cachedImage(CachedResourceLoader* loader, const ResourceLoaderOptions& options)
{
ASSERT(loader);
if (!m_accessedImage) {
m_accessedImage = true;
CachedResourceRequest request(ResourceRequest(loader->document()->completeURL(m_url)), options);
if (m_initiatorName.isEmpty())
request.setInitiator(cachedResourceRequestInitiators().css);
else
request.setInitiator(m_initiatorName);
if (options.requestOriginPolicy() == PotentiallyCrossOriginEnabled)
updateRequestForAccessControl(request.mutableResourceRequest(), loader->document()->securityOrigin(), options.allowCredentials());
if (CachedResourceHandle<CachedImage> cachedImage = loader->requestImage(request)) {
detachPendingImage();
m_image = StyleCachedImage::create(cachedImage.get());
}
}
return (m_image && m_image->isCachedImage()) ? toStyleCachedImage(m_image.get()) : nullptr;
}
void CSSCursorImageValue::clearCachedImage()
{
detachPendingImage();
m_image.clear();
m_accessedImage = false;
}
CSSImageValue::~CSSImageValue()
{
detachPendingImage();
}
